1 |
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2 |
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3 |
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4 |
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5 |
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6 |
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7 |
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8 |
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9 |
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10 |
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11 |
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12 | (function(e){
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13 | if("object"==typeof exports&&"undefined"!=typeof module&&"undefined"==typeof DO_NOT_EXPORT_JSZIP)module.exports=e();
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14 | else if("function"==typeof define&&define.amd){JSZip=e();define([],e);}
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15 | else{
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16 | var f;
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17 | "undefined"!=typeof window?f=window:
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18 | "undefined"!=typeof global?f=global:
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19 | "undefined"!=typeof $ && $.global?f=$.global:
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20 | "undefined"!=typeof self&&(f=self),f.JSZip=e()
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21 | }
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22 | }(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
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23 | 'use strict';
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24 |
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25 | var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
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26 |
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27 |
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28 |
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29 | exports.encode = function(input, utf8) {
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30 | var output = "";
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31 | var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
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32 | var i = 0;
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33 |
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34 | while (i < input.length) {
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35 |
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36 | chr1 = input.charCodeAt(i++);
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37 | chr2 = input.charCodeAt(i++);
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38 | chr3 = input.charCodeAt(i++);
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39 |
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40 | enc1 = chr1 >> 2;
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41 | enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
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42 | enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
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43 | enc4 = chr3 & 63;
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44 |
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45 | if (isNaN(chr2)) {
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46 | enc3 = enc4 = 64;
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47 | }
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48 | else if (isNaN(chr3)) {
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49 | enc4 = 64;
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50 | }
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51 |
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52 | output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
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53 |
|
54 | }
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55 |
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56 | return output;
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57 | };
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58 |
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59 |
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60 | exports.decode = function(input, utf8) {
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61 | var output = "";
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62 | var chr1, chr2, chr3;
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63 | var enc1, enc2, enc3, enc4;
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64 | var i = 0;
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65 |
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66 | input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
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67 |
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68 | while (i < input.length) {
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69 |
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70 | enc1 = _keyStr.indexOf(input.charAt(i++));
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71 | enc2 = _keyStr.indexOf(input.charAt(i++));
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72 | enc3 = _keyStr.indexOf(input.charAt(i++));
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73 | enc4 = _keyStr.indexOf(input.charAt(i++));
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74 |
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75 | chr1 = (enc1 << 2) | (enc2 >> 4);
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76 | chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
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77 | chr3 = ((enc3 & 3) << 6) | enc4;
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78 |
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79 | output = output + String.fromCharCode(chr1);
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80 |
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81 | if (enc3 != 64) {
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82 | output = output + String.fromCharCode(chr2);
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83 | }
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84 | if (enc4 != 64) {
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85 | output = output + String.fromCharCode(chr3);
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86 | }
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87 |
|
88 | }
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89 |
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90 | return output;
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91 |
|
92 | };
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93 |
|
94 | },{}],2:[function(_dereq_,module,exports){
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95 | 'use strict';
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96 | function CompressedObject() {
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97 | this.compressedSize = 0;
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98 | this.uncompressedSize = 0;
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99 | this.crc32 = 0;
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100 | this.compressionMethod = null;
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101 | this.compressedContent = null;
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102 | }
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103 |
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104 | CompressedObject.prototype = {
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105 | |
106 |
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107 |
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108 |
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109 |
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110 | getContent: function() {
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111 | return null;
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112 | },
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113 | |
114 |
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115 |
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116 |
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117 |
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118 | getCompressedContent: function() {
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119 | return null;
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120 | }
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121 | };
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122 | module.exports = CompressedObject;
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123 |
|
124 | },{}],3:[function(_dereq_,module,exports){
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125 | 'use strict';
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126 | exports.STORE = {
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127 | magic: "\x00\x00",
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128 | compress: function(content) {
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129 | return content;
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130 | },
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131 | uncompress: function(content) {
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132 | return content;
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133 | },
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134 | compressInputType: null,
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135 | uncompressInputType: null
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136 | };
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137 | exports.DEFLATE = _dereq_('./flate');
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138 |
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139 | },{"./flate":8}],4:[function(_dereq_,module,exports){
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140 | 'use strict';
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141 |
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142 | var utils = _dereq_('./utils');
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143 |
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144 | var table = [
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145 | 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
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146 | 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
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147 | 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
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148 | 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
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149 | 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
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150 | 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
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151 | 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
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152 | 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
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153 | 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
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154 | 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
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155 | 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
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156 | 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
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157 | 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
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158 | 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
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159 | 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
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160 | 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
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161 | 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
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162 | 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
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163 | 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
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164 | 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
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165 | 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
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166 | 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
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167 | 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
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168 | 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
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169 | 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
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170 | 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
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171 | 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
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172 | 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
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173 | 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
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174 | 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
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175 | 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
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176 | 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
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177 | 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
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178 | 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
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179 | 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
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180 | 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
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181 | 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
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182 | 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
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183 | 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
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184 | 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
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185 | 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
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186 | 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
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187 | 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
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188 | 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
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189 | 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
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190 | 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
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191 | 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
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192 | 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
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193 | 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
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194 | 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
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195 | 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
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196 | 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
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197 | 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
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198 | 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
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199 | 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
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200 | 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
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201 | 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
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202 | 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
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203 | 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
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204 | 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
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205 | 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
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206 | 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
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207 | 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
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208 | 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
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209 | ];
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210 |
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211 |
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212 |
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213 |
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214 |
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215 |
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216 |
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217 | module.exports = function crc32(input, crc) {
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218 | if (typeof input === "undefined" || !input.length) {
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219 | return 0;
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220 | }
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221 |
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222 | var isArray = utils.getTypeOf(input) !== "string";
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223 |
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224 | if (typeof(crc) == "undefined") {
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225 | crc = 0;
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226 | }
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227 | var x = 0;
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228 | var y = 0;
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229 | var b = 0;
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230 |
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231 | crc = crc ^ (-1);
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232 | for (var i = 0, iTop = input.length; i < iTop; i++) {
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233 | b = isArray ? input[i] : input.charCodeAt(i);
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234 | y = (crc ^ b) & 0xFF;
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235 | x = table[y];
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236 | crc = (crc >>> 8) ^ x;
|
237 | }
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238 |
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239 | return crc ^ (-1);
|
240 | };
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241 |
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242 |
|
243 | },{"./utils":21}],5:[function(_dereq_,module,exports){
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244 | 'use strict';
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245 | var utils = _dereq_('./utils');
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246 |
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247 | function DataReader(data) {
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248 | this.data = null;
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249 | this.length = 0;
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250 | this.index = 0;
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251 | }
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252 | DataReader.prototype = {
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253 | |
254 |
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255 |
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256 |
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257 |
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258 | checkOffset: function(offset) {
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259 | this.checkIndex(this.index + offset);
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260 | },
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261 | |
262 |
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263 |
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264 |
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265 |
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266 | checkIndex: function(newIndex) {
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267 | if (this.length < newIndex || newIndex < 0) {
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268 | throw new Error("End of data reached (data length = " + this.length + ", asked index = " + (newIndex) + "). Corrupted zip ?");
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269 | }
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270 | },
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271 | |
272 |
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273 |
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274 |
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275 |
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276 | setIndex: function(newIndex) {
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277 | this.checkIndex(newIndex);
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278 | this.index = newIndex;
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279 | },
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280 | |
281 |
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282 |
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283 |
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284 |
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285 | skip: function(n) {
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286 | this.setIndex(this.index + n);
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287 | },
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288 | |
289 |
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290 |
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291 |
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292 |
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293 | byteAt: function(i) {
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294 |
|
295 | },
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296 | |
297 |
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298 |
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299 |
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300 |
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301 | readInt: function(size) {
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302 | var result = 0,
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303 | i;
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304 | this.checkOffset(size);
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305 | for (i = this.index + size - 1; i >= this.index; i--) {
|
306 | result = (result << 8) + this.byteAt(i);
|
307 | }
|
308 | this.index += size;
|
309 | return result;
|
310 | },
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311 | |
312 |
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313 |
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314 |
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315 |
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316 | readString: function(size) {
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317 | return utils.transformTo("string", this.readData(size));
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318 | },
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319 | |
320 |
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321 |
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322 |
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323 |
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324 | readData: function(size) {
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325 |
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326 | },
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327 | |
328 |
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329 |
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330 |
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331 |
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332 | lastIndexOfSignature: function(sig) {
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333 |
|
334 | },
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335 | |
336 |
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337 |
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338 |
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339 | readDate: function() {
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340 | var dostime = this.readInt(4);
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341 | return new Date(
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342 | ((dostime >> 25) & 0x7f) + 1980,
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343 | ((dostime >> 21) & 0x0f) - 1,
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344 | (dostime >> 16) & 0x1f,
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345 | (dostime >> 11) & 0x1f,
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346 | (dostime >> 5) & 0x3f,
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347 | (dostime & 0x1f) << 1);
|
348 | }
|
349 | };
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350 | module.exports = DataReader;
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351 |
|
352 | },{"./utils":21}],6:[function(_dereq_,module,exports){
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353 | 'use strict';
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354 | exports.base64 = false;
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355 | exports.binary = false;
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356 | exports.dir = false;
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357 | exports.createFolders = false;
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358 | exports.date = null;
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359 | exports.compression = null;
|
360 | exports.comment = null;
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361 |
|
362 | },{}],7:[function(_dereq_,module,exports){
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363 | 'use strict';
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364 | var utils = _dereq_('./utils');
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365 |
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366 |
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367 |
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368 |
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369 |
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370 | exports.string2binary = function(str) {
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371 | return utils.string2binary(str);
|
372 | };
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373 |
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374 |
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375 |
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376 |
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377 |
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378 | exports.string2Uint8Array = function(str) {
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379 | return utils.transformTo("uint8array", str);
|
380 | };
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381 |
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382 |
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383 |
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384 |
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385 |
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386 | exports.uint8Array2String = function(array) {
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387 | return utils.transformTo("string", array);
|
388 | };
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389 |
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390 |
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391 |
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392 |
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393 |
|
394 | exports.string2Blob = function(str) {
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395 | var buffer = utils.transformTo("arraybuffer", str);
|
396 | return utils.arrayBuffer2Blob(buffer);
|
397 | };
|
398 |
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399 |
|
400 |
|
401 |
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402 |
|
403 | exports.arrayBuffer2Blob = function(buffer) {
|
404 | return utils.arrayBuffer2Blob(buffer);
|
405 | };
|
406 |
|
407 |
|
408 |
|
409 |
|
410 |
|
411 | exports.transformTo = function(outputType, input) {
|
412 | return utils.transformTo(outputType, input);
|
413 | };
|
414 |
|
415 |
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416 |
|
417 |
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418 |
|
419 | exports.getTypeOf = function(input) {
|
420 | return utils.getTypeOf(input);
|
421 | };
|
422 |
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423 |
|
424 |
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425 |
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426 |
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427 | exports.checkSupport = function(type) {
|
428 | return utils.checkSupport(type);
|
429 | };
|
430 |
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431 |
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432 |
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433 |
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434 |
|
435 | exports.MAX_VALUE_16BITS = utils.MAX_VALUE_16BITS;
|
436 |
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437 |
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438 |
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439 |
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440 |
|
441 | exports.MAX_VALUE_32BITS = utils.MAX_VALUE_32BITS;
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442 |
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443 |
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444 |
|
445 |
|
446 |
|
447 |
|
448 | exports.pretty = function(str) {
|
449 | return utils.pretty(str);
|
450 | };
|
451 |
|
452 |
|
453 |
|
454 |
|
455 |
|
456 | exports.findCompression = function(compressionMethod) {
|
457 | return utils.findCompression(compressionMethod);
|
458 | };
|
459 |
|
460 |
|
461 |
|
462 |
|
463 |
|
464 | exports.isRegExp = function (object) {
|
465 | return utils.isRegExp(object);
|
466 | };
|
467 |
|
468 |
|
469 | },{"./utils":21}],8:[function(_dereq_,module,exports){
|
470 | 'use strict';
|
471 | var USE_TYPEDARRAY = (typeof Uint8Array !== 'undefined') && (typeof Uint16Array !== 'undefined') && (typeof Uint32Array !== 'undefined');
|
472 |
|
473 | var pako = _dereq_("pako");
|
474 | exports.uncompressInputType = USE_TYPEDARRAY ? "uint8array" : "array";
|
475 | exports.compressInputType = USE_TYPEDARRAY ? "uint8array" : "array";
|
476 |
|
477 | exports.magic = "\x08\x00";
|
478 | exports.compress = function(input) {
|
479 | return pako.deflateRaw(input);
|
480 | };
|
481 | exports.uncompress = function(input) {
|
482 | return pako.inflateRaw(input);
|
483 | };
|
484 |
|
485 | },{"pako":24}],9:[function(_dereq_,module,exports){
|
486 | 'use strict';
|
487 |
|
488 | var base64 = _dereq_('./base64');
|
489 |
|
490 |
|
491 |
|
492 |
|
493 |
|
494 |
|
495 |
|
496 |
|
497 |
|
498 |
|
499 |
|
500 |
|
501 |
|
502 |
|
503 |
|
504 |
|
505 |
|
506 |
|
507 |
|
508 | function JSZip(data, options) {
|
509 |
|
510 | if(!(this instanceof JSZip)) return new JSZip(data, options);
|
511 |
|
512 |
|
513 |
|
514 |
|
515 |
|
516 |
|
517 | this.files = {};
|
518 |
|
519 | this.comment = null;
|
520 |
|
521 |
|
522 | this.root = "";
|
523 | if (data) {
|
524 | this.load(data, options);
|
525 | }
|
526 | this.clone = function() {
|
527 | var newObj = new JSZip();
|
528 | for (var i in this) {
|
529 | if (typeof this[i] !== "function") {
|
530 | newObj[i] = this[i];
|
531 | }
|
532 | }
|
533 | return newObj;
|
534 | };
|
535 | }
|
536 | JSZip.prototype = _dereq_('./object');
|
537 | JSZip.prototype.load = _dereq_('./load');
|
538 | JSZip.support = _dereq_('./support');
|
539 | JSZip.defaults = _dereq_('./defaults');
|
540 |
|
541 |
|
542 |
|
543 |
|
544 |
|
545 | JSZip.utils = _dereq_('./deprecatedPublicUtils');
|
546 |
|
547 | JSZip.base64 = {
|
548 | |
549 |
|
550 |
|
551 |
|
552 | encode : function(input) {
|
553 | return base64.encode(input);
|
554 | },
|
555 | |
556 |
|
557 |
|
558 |
|
559 | decode : function(input) {
|
560 | return base64.decode(input);
|
561 | }
|
562 | };
|
563 | JSZip.compressions = _dereq_('./compressions');
|
564 | module.exports = JSZip;
|
565 |
|
566 | },{"./base64":1,"./compressions":3,"./defaults":6,"./deprecatedPublicUtils":7,"./load":10,"./object":13,"./support":17}],10:[function(_dereq_,module,exports){
|
567 | 'use strict';
|
568 | var base64 = _dereq_('./base64');
|
569 | var ZipEntries = _dereq_('./zipEntries');
|
570 | module.exports = function(data, options) {
|
571 | var files, zipEntries, i, input;
|
572 | options = options || {};
|
573 | if (options.base64) {
|
574 | data = base64.decode(data);
|
575 | }
|
576 |
|
577 | zipEntries = new ZipEntries(data, options);
|
578 | files = zipEntries.files;
|
579 | for (i = 0; i < files.length; i++) {
|
580 | input = files[i];
|
581 | this.file(input.fileName, input.decompressed, {
|
582 | binary: true,
|
583 | optimizedBinaryString: true,
|
584 | date: input.date,
|
585 | dir: input.dir,
|
586 | comment : input.fileComment.length ? input.fileComment : null,
|
587 | createFolders: options.createFolders
|
588 | });
|
589 | }
|
590 | if (zipEntries.zipComment.length) {
|
591 | this.comment = zipEntries.zipComment;
|
592 | }
|
593 |
|
594 | return this;
|
595 | };
|
596 |
|
597 | },{"./base64":1,"./zipEntries":22}],11:[function(_dereq_,module,exports){
|
598 | (function (Buffer){
|
599 | 'use strict';
|
600 | module.exports = function(data, encoding){
|
601 | return new Buffer(data, encoding);
|
602 | };
|
603 | module.exports.test = function(b){
|
604 | return Buffer.isBuffer(b);
|
605 | };
|
606 | }).call(this,(typeof Buffer !== "undefined" ? Buffer : undefined))
|
607 | },{}],12:[function(_dereq_,module,exports){
|
608 | 'use strict';
|
609 | var Uint8ArrayReader = _dereq_('./uint8ArrayReader');
|
610 |
|
611 | function NodeBufferReader(data) {
|
612 | this.data = data;
|
613 | this.length = this.data.length;
|
614 | this.index = 0;
|
615 | }
|
616 | NodeBufferReader.prototype = new Uint8ArrayReader();
|
617 |
|
618 |
|
619 |
|
620 |
|
621 | NodeBufferReader.prototype.readData = function(size) {
|
622 | this.checkOffset(size);
|
623 | var result = this.data.slice(this.index, this.index + size);
|
624 | this.index += size;
|
625 | return result;
|
626 | };
|
627 | module.exports = NodeBufferReader;
|
628 |
|
629 | },{"./uint8ArrayReader":18}],13:[function(_dereq_,module,exports){
|
630 | 'use strict';
|
631 | var support = _dereq_('./support');
|
632 | var utils = _dereq_('./utils');
|
633 | var crc32 = _dereq_('./crc32');
|
634 | var signature = _dereq_('./signature');
|
635 | var defaults = _dereq_('./defaults');
|
636 | var base64 = _dereq_('./base64');
|
637 | var compressions = _dereq_('./compressions');
|
638 | var CompressedObject = _dereq_('./compressedObject');
|
639 | var nodeBuffer = _dereq_('./nodeBuffer');
|
640 | var utf8 = _dereq_('./utf8');
|
641 | var StringWriter = _dereq_('./stringWriter');
|
642 | var Uint8ArrayWriter = _dereq_('./uint8ArrayWriter');
|
643 |
|
644 |
|
645 |
|
646 |
|
647 |
|
648 |
|
649 | var getRawData = function(file) {
|
650 | if (file._data instanceof CompressedObject) {
|
651 | file._data = file._data.getContent();
|
652 | file.options.binary = true;
|
653 | file.options.base64 = false;
|
654 |
|
655 | if (utils.getTypeOf(file._data) === "uint8array") {
|
656 | var copy = file._data;
|
657 |
|
658 |
|
659 | file._data = new Uint8Array(copy.length);
|
660 |
|
661 | if (copy.length !== 0) {
|
662 | file._data.set(copy, 0);
|
663 | }
|
664 | }
|
665 | }
|
666 | return file._data;
|
667 | };
|
668 |
|
669 |
|
670 |
|
671 |
|
672 |
|
673 |
|
674 | var getBinaryData = function(file) {
|
675 | var result = getRawData(file),
|
676 | type = utils.getTypeOf(result);
|
677 | if (type === "string") {
|
678 | if (!file.options.binary) {
|
679 |
|
680 |
|
681 | if (support.nodebuffer) {
|
682 | return nodeBuffer(result, "utf-8");
|
683 | }
|
684 | }
|
685 | return file.asBinary();
|
686 | }
|
687 | return result;
|
688 | };
|
689 |
|
690 |
|
691 |
|
692 |
|
693 |
|
694 |
|
695 | var dataToString = function(asUTF8) {
|
696 | var result = getRawData(this);
|
697 | if (result === null || typeof result === "undefined") {
|
698 | return "";
|
699 | }
|
700 |
|
701 | if (this.options.base64) {
|
702 | result = base64.decode(result);
|
703 | }
|
704 | if (asUTF8 && this.options.binary) {
|
705 |
|
706 |
|
707 | result = out.utf8decode(result);
|
708 | }
|
709 | else {
|
710 |
|
711 | result = utils.transformTo("string", result);
|
712 | }
|
713 |
|
714 | if (!asUTF8 && !this.options.binary) {
|
715 | result = utils.transformTo("string", out.utf8encode(result));
|
716 | }
|
717 | return result;
|
718 | };
|
719 |
|
720 |
|
721 |
|
722 |
|
723 |
|
724 |
|
725 |
|
726 | var ZipObject = function(name, data, options) {
|
727 | this.name = name;
|
728 | this.dir = options.dir;
|
729 | this.date = options.date;
|
730 | this.comment = options.comment;
|
731 |
|
732 | this._data = data;
|
733 | this.options = options;
|
734 |
|
735 | |
736 |
|
737 |
|
738 |
|
739 |
|
740 | this._initialMetadata = {
|
741 | dir : options.dir,
|
742 | date : options.date
|
743 | };
|
744 | };
|
745 |
|
746 | ZipObject.prototype = {
|
747 | |
748 |
|
749 |
|
750 |
|
751 | asText: function() {
|
752 | return dataToString.call(this, true);
|
753 | },
|
754 | |
755 |
|
756 |
|
757 |
|
758 | asBinary: function() {
|
759 | return dataToString.call(this, false);
|
760 | },
|
761 | |
762 |
|
763 |
|
764 |
|
765 | asNodeBuffer: function() {
|
766 | var result = getBinaryData(this);
|
767 | return utils.transformTo("nodebuffer", result);
|
768 | },
|
769 | |
770 |
|
771 |
|
772 |
|
773 | asUint8Array: function() {
|
774 | var result = getBinaryData(this);
|
775 | return utils.transformTo("uint8array", result);
|
776 | },
|
777 | |
778 |
|
779 |
|
780 |
|
781 | asArrayBuffer: function() {
|
782 | return this.asUint8Array().buffer;
|
783 | }
|
784 | };
|
785 |
|
786 |
|
787 |
|
788 |
|
789 |
|
790 |
|
791 |
|
792 |
|
793 | var decToHex = function(dec, bytes) {
|
794 | var hex = "",
|
795 | i;
|
796 | for (i = 0; i < bytes; i++) {
|
797 | hex += String.fromCharCode(dec & 0xff);
|
798 | dec = dec >>> 8;
|
799 | }
|
800 | return hex;
|
801 | };
|
802 |
|
803 |
|
804 |
|
805 |
|
806 |
|
807 |
|
808 |
|
809 | var extend = function() {
|
810 | var result = {}, i, attr;
|
811 | for (i = 0; i < arguments.length; i++) {
|
812 | for (attr in arguments[i]) {
|
813 | if (arguments[i].hasOwnProperty(attr) && typeof result[attr] === "undefined") {
|
814 | result[attr] = arguments[i][attr];
|
815 | }
|
816 | }
|
817 | }
|
818 | return result;
|
819 | };
|
820 |
|
821 |
|
822 |
|
823 |
|
824 |
|
825 |
|
826 |
|
827 |
|
828 | var prepareFileAttrs = function(o) {
|
829 | o = o || {};
|
830 | if (o.base64 === true && (o.binary === null || o.binary === undefined)) {
|
831 | o.binary = true;
|
832 | }
|
833 | o = extend(o, defaults);
|
834 | o.date = o.date || new Date();
|
835 | if (o.compression !== null) o.compression = o.compression.toUpperCase();
|
836 |
|
837 | return o;
|
838 | };
|
839 |
|
840 |
|
841 |
|
842 |
|
843 |
|
844 |
|
845 |
|
846 |
|
847 |
|
848 | var fileAdd = function(name, data, o) {
|
849 |
|
850 | var dataType = utils.getTypeOf(data),
|
851 | parent;
|
852 |
|
853 | o = prepareFileAttrs(o);
|
854 |
|
855 | if (o.createFolders && (parent = parentFolder(name))) {
|
856 | folderAdd.call(this, parent, true);
|
857 | }
|
858 |
|
859 | if (o.dir || data === null || typeof data === "undefined") {
|
860 | o.base64 = false;
|
861 | o.binary = false;
|
862 | data = null;
|
863 | }
|
864 | else if (dataType === "string") {
|
865 | if (o.binary && !o.base64) {
|
866 |
|
867 | if (o.optimizedBinaryString !== true) {
|
868 |
|
869 |
|
870 | data = utils.string2binary(data);
|
871 | }
|
872 | }
|
873 | }
|
874 | else {
|
875 | o.base64 = false;
|
876 | o.binary = true;
|
877 |
|
878 | if (!dataType && !(data instanceof CompressedObject)) {
|
879 | throw new Error("The data of '" + name + "' is in an unsupported format !");
|
880 | }
|
881 |
|
882 |
|
883 | if (dataType === "arraybuffer") {
|
884 | data = utils.transformTo("uint8array", data);
|
885 | }
|
886 | }
|
887 |
|
888 | var object = new ZipObject(name, data, o);
|
889 | this.files[name] = object;
|
890 | return object;
|
891 | };
|
892 |
|
893 |
|
894 |
|
895 |
|
896 |
|
897 |
|
898 |
|
899 | var parentFolder = function (path) {
|
900 | if (path.slice(-1) == '/') {
|
901 | path = path.substring(0, path.length - 1);
|
902 | }
|
903 | var lastSlash = path.lastIndexOf('/');
|
904 | return (lastSlash > 0) ? path.substring(0, lastSlash) : "";
|
905 | };
|
906 |
|
907 |
|
908 |
|
909 |
|
910 |
|
911 |
|
912 |
|
913 |
|
914 |
|
915 | var folderAdd = function(name, createFolders) {
|
916 |
|
917 | if (name.slice(-1) != "/") {
|
918 | name += "/";
|
919 | }
|
920 |
|
921 | createFolders = (typeof createFolders !== 'undefined') ? createFolders : false;
|
922 |
|
923 |
|
924 | if (!this.files[name]) {
|
925 | fileAdd.call(this, name, null, {
|
926 | dir: true,
|
927 | createFolders: createFolders
|
928 | });
|
929 | }
|
930 | return this.files[name];
|
931 | };
|
932 |
|
933 |
|
934 |
|
935 |
|
936 |
|
937 |
|
938 |
|
939 | var generateCompressedObjectFrom = function(file, compression) {
|
940 | var result = new CompressedObject(),
|
941 | content;
|
942 |
|
943 |
|
944 | if (file._data instanceof CompressedObject) {
|
945 | result.uncompressedSize = file._data.uncompressedSize;
|
946 | result.crc32 = file._data.crc32;
|
947 |
|
948 | if (result.uncompressedSize === 0 || file.dir) {
|
949 | compression = compressions['STORE'];
|
950 | result.compressedContent = "";
|
951 | result.crc32 = 0;
|
952 | }
|
953 | else if (file._data.compressionMethod === compression.magic) {
|
954 | result.compressedContent = file._data.getCompressedContent();
|
955 | }
|
956 | else {
|
957 | content = file._data.getContent();
|
958 |
|
959 | result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content));
|
960 | }
|
961 | }
|
962 | else {
|
963 |
|
964 | content = getBinaryData(file);
|
965 | if (!content || content.length === 0 || file.dir) {
|
966 | compression = compressions['STORE'];
|
967 | content = "";
|
968 | }
|
969 | result.uncompressedSize = content.length;
|
970 | result.crc32 = crc32(content);
|
971 | result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content));
|
972 | }
|
973 |
|
974 | result.compressedSize = result.compressedContent.length;
|
975 | result.compressionMethod = compression.magic;
|
976 |
|
977 | return result;
|
978 | };
|
979 |
|
980 |
|
981 |
|
982 |
|
983 |
|
984 |
|
985 |
|
986 |
|
987 |
|
988 | var generateZipParts = function(name, file, compressedObject, offset) {
|
989 | var data = compressedObject.compressedContent,
|
990 | utfEncodedFileName = utils.transformTo("string", utf8.utf8encode(file.name)),
|
991 | comment = file.comment || "",
|
992 | utfEncodedComment = utils.transformTo("string", utf8.utf8encode(comment)),
|
993 | useUTF8ForFileName = utfEncodedFileName.length !== file.name.length,
|
994 | useUTF8ForComment = utfEncodedComment.length !== comment.length,
|
995 | o = file.options,
|
996 | dosTime,
|
997 | dosDate,
|
998 | extraFields = "",
|
999 | unicodePathExtraField = "",
|
1000 | unicodeCommentExtraField = "",
|
1001 | dir, date;
|
1002 |
|
1003 |
|
1004 |
|
1005 | if (file._initialMetadata.dir !== file.dir) {
|
1006 | dir = file.dir;
|
1007 | } else {
|
1008 | dir = o.dir;
|
1009 | }
|
1010 |
|
1011 |
|
1012 | if(file._initialMetadata.date !== file.date) {
|
1013 | date = file.date;
|
1014 | } else {
|
1015 | date = o.date;
|
1016 | }
|
1017 |
|
1018 |
|
1019 | dosTime = date.getHours();
|
1020 | dosTime = dosTime << 6;
|
1021 | dosTime = dosTime | date.getMinutes();
|
1022 | dosTime = dosTime << 5;
|
1023 | dosTime = dosTime | date.getSeconds() / 2;
|
1024 |
|
1025 | dosDate = date.getFullYear() - 1980;
|
1026 | dosDate = dosDate << 4;
|
1027 | dosDate = dosDate | (date.getMonth() + 1);
|
1028 | dosDate = dosDate << 5;
|
1029 | dosDate = dosDate | date.getDate();
|
1030 |
|
1031 | if (useUTF8ForFileName) {
|
1032 |
|
1033 |
|
1034 |
|
1035 |
|
1036 |
|
1037 |
|
1038 |
|
1039 |
|
1040 |
|
1041 | unicodePathExtraField =
|
1042 |
|
1043 | decToHex(1, 1) +
|
1044 |
|
1045 | decToHex(crc32(utfEncodedFileName), 4) +
|
1046 |
|
1047 | utfEncodedFileName;
|
1048 |
|
1049 | extraFields +=
|
1050 |
|
1051 | "\x75\x70" +
|
1052 |
|
1053 | decToHex(unicodePathExtraField.length, 2) +
|
1054 |
|
1055 | unicodePathExtraField;
|
1056 | }
|
1057 |
|
1058 | if(useUTF8ForComment) {
|
1059 |
|
1060 | unicodeCommentExtraField =
|
1061 |
|
1062 | decToHex(1, 1) +
|
1063 |
|
1064 | decToHex(this.crc32(utfEncodedComment), 4) +
|
1065 |
|
1066 | utfEncodedComment;
|
1067 |
|
1068 | extraFields +=
|
1069 |
|
1070 | "\x75\x63" +
|
1071 |
|
1072 | decToHex(unicodeCommentExtraField.length, 2) +
|
1073 |
|
1074 | unicodeCommentExtraField;
|
1075 | }
|
1076 |
|
1077 | var header = "";
|
1078 |
|
1079 |
|
1080 | header += "\x0A\x00";
|
1081 |
|
1082 |
|
1083 | header += (useUTF8ForFileName || useUTF8ForComment) ? "\x00\x08" : "\x00\x00";
|
1084 |
|
1085 | header += compressedObject.compressionMethod;
|
1086 |
|
1087 | header += decToHex(dosTime, 2);
|
1088 |
|
1089 | header += decToHex(dosDate, 2);
|
1090 |
|
1091 | header += decToHex(compressedObject.crc32, 4);
|
1092 |
|
1093 | header += decToHex(compressedObject.compressedSize, 4);
|
1094 |
|
1095 | header += decToHex(compressedObject.uncompressedSize, 4);
|
1096 |
|
1097 | header += decToHex(utfEncodedFileName.length, 2);
|
1098 |
|
1099 | header += decToHex(extraFields.length, 2);
|
1100 |
|
1101 |
|
1102 | var fileRecord = signature.LOCAL_FILE_HEADER + header + utfEncodedFileName + extraFields;
|
1103 |
|
1104 | var dirRecord = signature.CENTRAL_FILE_HEADER +
|
1105 |
|
1106 | "\x14\x00" +
|
1107 |
|
1108 | header +
|
1109 |
|
1110 | decToHex(utfEncodedComment.length, 2) +
|
1111 |
|
1112 | "\x00\x00" +
|
1113 |
|
1114 | "\x00\x00" +
|
1115 |
|
1116 | (dir === true ? "\x10\x00\x00\x00" : "\x00\x00\x00\x00") +
|
1117 |
|
1118 | decToHex(offset, 4) +
|
1119 |
|
1120 | utfEncodedFileName +
|
1121 |
|
1122 | extraFields +
|
1123 |
|
1124 | utfEncodedComment;
|
1125 |
|
1126 | return {
|
1127 | fileRecord: fileRecord,
|
1128 | dirRecord: dirRecord,
|
1129 | compressedObject: compressedObject
|
1130 | };
|
1131 | };
|
1132 |
|
1133 |
|
1134 |
|
1135 | var out = {
|
1136 | |
1137 |
|
1138 |
|
1139 |
|
1140 |
|
1141 |
|
1142 |
|
1143 |
|
1144 | load: function(stream, options) {
|
1145 | throw new Error("Load method is not defined. Is the file jszip-load.js included ?");
|
1146 | },
|
1147 |
|
1148 | |
1149 |
|
1150 |
|
1151 |
|
1152 |
|
1153 |
|
1154 |
|
1155 | filter: function(search) {
|
1156 | var result = [],
|
1157 | filename, relativePath, file, fileClone;
|
1158 | for (filename in this.files) {
|
1159 | if (!this.files.hasOwnProperty(filename)) {
|
1160 | continue;
|
1161 | }
|
1162 | file = this.files[filename];
|
1163 |
|
1164 | fileClone = new ZipObject(file.name, file._data, extend(file.options));
|
1165 | relativePath = filename.slice(this.root.length, filename.length);
|
1166 | if (filename.slice(0, this.root.length) === this.root &&
|
1167 | search(relativePath, fileClone)) {
|
1168 | result.push(fileClone);
|
1169 | }
|
1170 | }
|
1171 | return result;
|
1172 | },
|
1173 |
|
1174 | |
1175 |
|
1176 |
|
1177 |
|
1178 |
|
1179 |
|
1180 |
|
1181 |
|
1182 |
|
1183 | file: function(name, data, o) {
|
1184 | if (arguments.length === 1) {
|
1185 | if (utils.isRegExp(name)) {
|
1186 | var regexp = name;
|
1187 | return this.filter(function(relativePath, file) {
|
1188 | return !file.dir && regexp.test(relativePath);
|
1189 | });
|
1190 | }
|
1191 | else {
|
1192 | return this.filter(function(relativePath, file) {
|
1193 | return !file.dir && relativePath === name;
|
1194 | })[0] || null;
|
1195 | }
|
1196 | }
|
1197 | else {
|
1198 | name = this.root + name;
|
1199 | fileAdd.call(this, name, data, o);
|
1200 | }
|
1201 | return this;
|
1202 | },
|
1203 |
|
1204 | |
1205 |
|
1206 |
|
1207 |
|
1208 |
|
1209 | folder: function(arg) {
|
1210 | if (!arg) {
|
1211 | return this;
|
1212 | }
|
1213 |
|
1214 | if (utils.isRegExp(arg)) {
|
1215 | return this.filter(function(relativePath, file) {
|
1216 | return file.dir && arg.test(relativePath);
|
1217 | });
|
1218 | }
|
1219 |
|
1220 |
|
1221 | var name = this.root + arg;
|
1222 | var newFolder = folderAdd.call(this, name);
|
1223 |
|
1224 |
|
1225 | var ret = this.clone();
|
1226 | ret.root = newFolder.name;
|
1227 | return ret;
|
1228 | },
|
1229 |
|
1230 | |
1231 |
|
1232 |
|
1233 |
|
1234 |
|
1235 | remove: function(name) {
|
1236 | name = this.root + name;
|
1237 | var file = this.files[name];
|
1238 | if (!file) {
|
1239 |
|
1240 | if (name.slice(-1) != "/") {
|
1241 | name += "/";
|
1242 | }
|
1243 | file = this.files[name];
|
1244 | }
|
1245 |
|
1246 | if (file && !file.dir) {
|
1247 |
|
1248 | delete this.files[name];
|
1249 | } else {
|
1250 |
|
1251 | var kids = this.filter(function(relativePath, file) {
|
1252 | return file.name.slice(0, name.length) === name;
|
1253 | });
|
1254 | for (var i = 0; i < kids.length; i++) {
|
1255 | delete this.files[kids[i].name];
|
1256 | }
|
1257 | }
|
1258 |
|
1259 | return this;
|
1260 | },
|
1261 |
|
1262 | |
1263 |
|
1264 |
|
1265 |
|
1266 |
|
1267 |
|
1268 |
|
1269 |
|
1270 | generate: function(options) {
|
1271 | options = extend(options || {}, {
|
1272 | base64: true,
|
1273 | compression: "STORE",
|
1274 | type: "base64",
|
1275 | comment: null
|
1276 | });
|
1277 |
|
1278 | utils.checkSupport(options.type);
|
1279 |
|
1280 | var zipData = [],
|
1281 | localDirLength = 0,
|
1282 | centralDirLength = 0,
|
1283 | writer, i,
|
1284 | utfEncodedComment = utils.transformTo("string", this.utf8encode(options.comment || this.comment || ""));
|
1285 |
|
1286 |
|
1287 | for (var name in this.files) {
|
1288 | if (!this.files.hasOwnProperty(name)) {
|
1289 | continue;
|
1290 | }
|
1291 | var file = this.files[name];
|
1292 |
|
1293 | var compressionName = file.options.compression || options.compression.toUpperCase();
|
1294 | var compression = compressions[compressionName];
|
1295 | if (!compression) {
|
1296 | throw new Error(compressionName + " is not a valid compression method !");
|
1297 | }
|
1298 |
|
1299 | var compressedObject = generateCompressedObjectFrom.call(this, file, compression);
|
1300 |
|
1301 | var zipPart = generateZipParts.call(this, name, file, compressedObject, localDirLength);
|
1302 | localDirLength += zipPart.fileRecord.length + compressedObject.compressedSize;
|
1303 | centralDirLength += zipPart.dirRecord.length;
|
1304 | zipData.push(zipPart);
|
1305 | }
|
1306 |
|
1307 | var dirEnd = "";
|
1308 |
|
1309 |
|
1310 | dirEnd = signature.CENTRAL_DIRECTORY_END +
|
1311 |
|
1312 | "\x00\x00" +
|
1313 |
|
1314 | "\x00\x00" +
|
1315 |
|
1316 | decToHex(zipData.length, 2) +
|
1317 |
|
1318 | decToHex(zipData.length, 2) +
|
1319 |
|
1320 | decToHex(centralDirLength, 4) +
|
1321 |
|
1322 | decToHex(localDirLength, 4) +
|
1323 |
|
1324 | decToHex(utfEncodedComment.length, 2) +
|
1325 |
|
1326 | utfEncodedComment;
|
1327 |
|
1328 |
|
1329 |
|
1330 |
|
1331 | var typeName = options.type.toLowerCase();
|
1332 | if(typeName==="uint8array"||typeName==="arraybuffer"||typeName==="blob"||typeName==="nodebuffer") {
|
1333 | writer = new Uint8ArrayWriter(localDirLength + centralDirLength + dirEnd.length);
|
1334 | }else{
|
1335 | writer = new StringWriter(localDirLength + centralDirLength + dirEnd.length);
|
1336 | }
|
1337 |
|
1338 | for (i = 0; i < zipData.length; i++) {
|
1339 | writer.append(zipData[i].fileRecord);
|
1340 | writer.append(zipData[i].compressedObject.compressedContent);
|
1341 | }
|
1342 | for (i = 0; i < zipData.length; i++) {
|
1343 | writer.append(zipData[i].dirRecord);
|
1344 | }
|
1345 |
|
1346 | writer.append(dirEnd);
|
1347 |
|
1348 | var zip = writer.finalize();
|
1349 |
|
1350 |
|
1351 |
|
1352 | switch(options.type.toLowerCase()) {
|
1353 |
|
1354 | case "uint8array" :
|
1355 | case "arraybuffer" :
|
1356 | case "nodebuffer" :
|
1357 | return utils.transformTo(options.type.toLowerCase(), zip);
|
1358 | case "blob" :
|
1359 | return utils.arrayBuffer2Blob(utils.transformTo("arraybuffer", zip));
|
1360 |
|
1361 | case "base64" :
|
1362 | return (options.base64) ? base64.encode(zip) : zip;
|
1363 | default :
|
1364 | return zip;
|
1365 | }
|
1366 |
|
1367 | },
|
1368 |
|
1369 | |
1370 |
|
1371 |
|
1372 |
|
1373 | crc32: function (input, crc) {
|
1374 | return crc32(input, crc);
|
1375 | },
|
1376 |
|
1377 | |
1378 |
|
1379 |
|
1380 |
|
1381 | utf8encode: function (string) {
|
1382 | return utils.transformTo("string", utf8.utf8encode(string));
|
1383 | },
|
1384 |
|
1385 | |
1386 |
|
1387 |
|
1388 |
|
1389 | utf8decode: function (input) {
|
1390 | return utf8.utf8decode(input);
|
1391 | }
|
1392 | };
|
1393 | module.exports = out;
|
1394 |
|
1395 | },{"./base64":1,"./compressedObject":2,"./compressions":3,"./crc32":4,"./defaults":6,"./nodeBuffer":11,"./signature":14,"./stringWriter":16,"./support":17,"./uint8ArrayWriter":19,"./utf8":20,"./utils":21}],14:[function(_dereq_,module,exports){
|
1396 | 'use strict';
|
1397 | exports.LOCAL_FILE_HEADER = "PK\x03\x04";
|
1398 | exports.CENTRAL_FILE_HEADER = "PK\x01\x02";
|
1399 | exports.CENTRAL_DIRECTORY_END = "PK\x05\x06";
|
1400 | exports.ZIP64_CENTRAL_DIRECTORY_LOCATOR = "PK\x06\x07";
|
1401 | exports.ZIP64_CENTRAL_DIRECTORY_END = "PK\x06\x06";
|
1402 | exports.DATA_DESCRIPTOR = "PK\x07\x08";
|
1403 |
|
1404 | },{}],15:[function(_dereq_,module,exports){
|
1405 | 'use strict';
|
1406 | var DataReader = _dereq_('./dataReader');
|
1407 | var utils = _dereq_('./utils');
|
1408 |
|
1409 | function StringReader(data, optimizedBinaryString) {
|
1410 | this.data = data;
|
1411 | if (!optimizedBinaryString) {
|
1412 | this.data = utils.string2binary(this.data);
|
1413 | }
|
1414 | this.length = this.data.length;
|
1415 | this.index = 0;
|
1416 | }
|
1417 | StringReader.prototype = new DataReader();
|
1418 |
|
1419 |
|
1420 |
|
1421 | StringReader.prototype.byteAt = function(i) {
|
1422 | return this.data.charCodeAt(i);
|
1423 | };
|
1424 |
|
1425 |
|
1426 |
|
1427 | StringReader.prototype.lastIndexOfSignature = function(sig) {
|
1428 | return this.data.lastIndexOf(sig);
|
1429 | };
|
1430 |
|
1431 |
|
1432 |
|
1433 | StringReader.prototype.readData = function(size) {
|
1434 | this.checkOffset(size);
|
1435 |
|
1436 | var result = this.data.slice(this.index, this.index + size);
|
1437 | this.index += size;
|
1438 | return result;
|
1439 | };
|
1440 | module.exports = StringReader;
|
1441 |
|
1442 | },{"./dataReader":5,"./utils":21}],16:[function(_dereq_,module,exports){
|
1443 | 'use strict';
|
1444 |
|
1445 | var utils = _dereq_('./utils');
|
1446 |
|
1447 |
|
1448 |
|
1449 |
|
1450 |
|
1451 | var StringWriter = function() {
|
1452 | this.data = [];
|
1453 | };
|
1454 | StringWriter.prototype = {
|
1455 | |
1456 |
|
1457 |
|
1458 |
|
1459 | append: function(input) {
|
1460 | input = utils.transformTo("string", input);
|
1461 | this.data.push(input);
|
1462 | },
|
1463 | |
1464 |
|
1465 |
|
1466 |
|
1467 | finalize: function() {
|
1468 | return this.data.join("");
|
1469 | }
|
1470 | };
|
1471 |
|
1472 | module.exports = StringWriter;
|
1473 |
|
1474 | },{"./utils":21}],17:[function(_dereq_,module,exports){
|
1475 | (function (Buffer){
|
1476 | 'use strict';
|
1477 | exports.base64 = true;
|
1478 | exports.array = true;
|
1479 | exports.string = true;
|
1480 | exports.arraybuffer = typeof ArrayBuffer !== "undefined" && typeof Uint8Array !== "undefined";
|
1481 |
|
1482 |
|
1483 |
|
1484 | exports.nodebuffer = typeof Buffer !== "undefined";
|
1485 |
|
1486 | exports.uint8array = typeof Uint8Array !== "undefined";
|
1487 |
|
1488 | if (typeof ArrayBuffer === "undefined") {
|
1489 | exports.blob = false;
|
1490 | }
|
1491 | else {
|
1492 | var buffer = new ArrayBuffer(0);
|
1493 | try {
|
1494 | exports.blob = new Blob([buffer], {
|
1495 | type: "application/zip"
|
1496 | }).size === 0;
|
1497 | }
|
1498 | catch (e) {
|
1499 | try {
|
1500 | var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
|
1501 | var builder = new Builder();
|
1502 | builder.append(buffer);
|
1503 | exports.blob = builder.getBlob('application/zip').size === 0;
|
1504 | }
|
1505 | catch (e) {
|
1506 | exports.blob = false;
|
1507 | }
|
1508 | }
|
1509 | }
|
1510 |
|
1511 | }).call(this,(typeof Buffer !== "undefined" ? Buffer : undefined))
|
1512 | },{}],18:[function(_dereq_,module,exports){
|
1513 | 'use strict';
|
1514 | var DataReader = _dereq_('./dataReader');
|
1515 |
|
1516 | function Uint8ArrayReader(data) {
|
1517 | if (data) {
|
1518 | this.data = data;
|
1519 | this.length = this.data.length;
|
1520 | this.index = 0;
|
1521 | }
|
1522 | }
|
1523 | Uint8ArrayReader.prototype = new DataReader();
|
1524 |
|
1525 |
|
1526 |
|
1527 | Uint8ArrayReader.prototype.byteAt = function(i) {
|
1528 | return this.data[i];
|
1529 | };
|
1530 |
|
1531 |
|
1532 |
|
1533 | Uint8ArrayReader.prototype.lastIndexOfSignature = function(sig) {
|
1534 | var sig0 = sig.charCodeAt(0),
|
1535 | sig1 = sig.charCodeAt(1),
|
1536 | sig2 = sig.charCodeAt(2),
|
1537 | sig3 = sig.charCodeAt(3);
|
1538 | for (var i = this.length - 4; i >= 0; --i) {
|
1539 | if (this.data[i] === sig0 && this.data[i + 1] === sig1 && this.data[i + 2] === sig2 && this.data[i + 3] === sig3) {
|
1540 | return i;
|
1541 | }
|
1542 | }
|
1543 |
|
1544 | return -1;
|
1545 | };
|
1546 |
|
1547 |
|
1548 |
|
1549 | Uint8ArrayReader.prototype.readData = function(size) {
|
1550 | this.checkOffset(size);
|
1551 | if(size === 0) {
|
1552 |
|
1553 | return new Uint8Array(0);
|
1554 | }
|
1555 | var result = this.data.subarray(this.index, this.index + size);
|
1556 | this.index += size;
|
1557 | return result;
|
1558 | };
|
1559 | module.exports = Uint8ArrayReader;
|
1560 |
|
1561 | },{"./dataReader":5}],19:[function(_dereq_,module,exports){
|
1562 | 'use strict';
|
1563 |
|
1564 | var utils = _dereq_('./utils');
|
1565 |
|
1566 |
|
1567 |
|
1568 |
|
1569 |
|
1570 |
|
1571 | var Uint8ArrayWriter = function(length) {
|
1572 | this.data = new Uint8Array(length);
|
1573 | this.index = 0;
|
1574 | };
|
1575 | Uint8ArrayWriter.prototype = {
|
1576 | |
1577 |
|
1578 |
|
1579 |
|
1580 | append: function(input) {
|
1581 | if (input.length !== 0) {
|
1582 |
|
1583 | input = utils.transformTo("uint8array", input);
|
1584 | this.data.set(input, this.index);
|
1585 | this.index += input.length;
|
1586 | }
|
1587 | },
|
1588 | |
1589 |
|
1590 |
|
1591 |
|
1592 | finalize: function() {
|
1593 | return this.data;
|
1594 | }
|
1595 | };
|
1596 |
|
1597 | module.exports = Uint8ArrayWriter;
|
1598 |
|
1599 | },{"./utils":21}],20:[function(_dereq_,module,exports){
|
1600 | 'use strict';
|
1601 |
|
1602 | var utils = _dereq_('./utils');
|
1603 | var support = _dereq_('./support');
|
1604 | var nodeBuffer = _dereq_('./nodeBuffer');
|
1605 |
|
1606 |
|
1607 |
|
1608 |
|
1609 |
|
1610 |
|
1611 |
|
1612 |
|
1613 |
|
1614 | var _utf8len = new Array(256);
|
1615 | for (var i=0; i<256; i++) {
|
1616 | _utf8len[i] = (i >= 252 ? 6 : i >= 248 ? 5 : i >= 240 ? 4 : i >= 224 ? 3 : i >= 192 ? 2 : 1);
|
1617 | }
|
1618 | _utf8len[254]=_utf8len[254]=1;
|
1619 |
|
1620 |
|
1621 | var string2buf = function (str) {
|
1622 | var buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
|
1623 |
|
1624 |
|
1625 | for (m_pos = 0; m_pos < str_len; m_pos++) {
|
1626 | c = str.charCodeAt(m_pos);
|
1627 | if (((c & 0xfc00) === 0xd800) && (m_pos+1 < str_len)) {
|
1628 | c2 = str.charCodeAt(m_pos+1);
|
1629 | if ((c2 & 0xfc00) === 0xdc00) {
|
1630 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
1631 | m_pos++;
|
1632 | }
|
1633 | }
|
1634 | buf_len += (c < 0x80) ? 1 : ((c < 0x800) ? 2 : ((c < 0x10000) ? 3 : 4));
|
1635 | }
|
1636 |
|
1637 |
|
1638 | if (support.uint8array) {
|
1639 | buf = new Uint8Array(buf_len);
|
1640 | } else {
|
1641 | buf = new Array(buf_len);
|
1642 | }
|
1643 |
|
1644 |
|
1645 | for (i=0, m_pos = 0; i < buf_len; m_pos++) {
|
1646 | c = str.charCodeAt(m_pos);
|
1647 | if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
|
1648 | c2 = str.charCodeAt(m_pos+1);
|
1649 | if ((c2 & 0xfc00) === 0xdc00) {
|
1650 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
1651 | m_pos++;
|
1652 | }
|
1653 | }
|
1654 | if (c < 0x80) {
|
1655 |
|
1656 | buf[i++] = c;
|
1657 | } else if (c < 0x800) {
|
1658 |
|
1659 | buf[i++] = 0xC0 | (c >>> 6);
|
1660 | buf[i++] = 0x80 | (c & 0x3f);
|
1661 | } else if (c < 0x10000) {
|
1662 |
|
1663 | buf[i++] = 0xE0 | (c >>> 12);
|
1664 | buf[i++] = 0x80 | ((c >>> 6) & 0x3f);
|
1665 | buf[i++] = 0x80 | (c & 0x3f);
|
1666 | } else {
|
1667 |
|
1668 | buf[i++] = 0xf0 | (c >>> 18);
|
1669 | buf[i++] = 0x80 | ((c >>> 12) & 0x3f);
|
1670 | buf[i++] = 0x80 | ((c >>> 6) & 0x3f);
|
1671 | buf[i++] = 0x80 | (c & 0x3f);
|
1672 | }
|
1673 | }
|
1674 |
|
1675 | return buf;
|
1676 | };
|
1677 |
|
1678 |
|
1679 |
|
1680 |
|
1681 |
|
1682 |
|
1683 |
|
1684 | var utf8border = function(buf, max) {
|
1685 | var pos;
|
1686 |
|
1687 | max = max || buf.length;
|
1688 | if (max > buf.length) { max = buf.length; }
|
1689 |
|
1690 |
|
1691 | pos = max-1;
|
1692 | while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; }
|
1693 |
|
1694 |
|
1695 |
|
1696 | if (pos < 0) { return max; }
|
1697 |
|
1698 |
|
1699 |
|
1700 | if (pos === 0) { return max; }
|
1701 |
|
1702 | return (pos + _utf8len[buf[pos]] > max) ? pos : max;
|
1703 | };
|
1704 |
|
1705 |
|
1706 | var buf2string = function (buf) {
|
1707 | var str, i, out, c, c_len;
|
1708 | var len = buf.length;
|
1709 |
|
1710 |
|
1711 |
|
1712 |
|
1713 | var utf16buf = new Array(len*2);
|
1714 |
|
1715 | for (out=0, i=0; i<len;) {
|
1716 | c = buf[i++];
|
1717 |
|
1718 | if (c < 0x80) { utf16buf[out++] = c; continue; }
|
1719 |
|
1720 | c_len = _utf8len[c];
|
1721 |
|
1722 | if (c_len > 4) { utf16buf[out++] = 0xfffd; i += c_len-1; continue; }
|
1723 |
|
1724 |
|
1725 | c &= c_len === 2 ? 0x1f : c_len === 3 ? 0x0f : 0x07;
|
1726 |
|
1727 | while (c_len > 1 && i < len) {
|
1728 | c = (c << 6) | (buf[i++] & 0x3f);
|
1729 | c_len--;
|
1730 | }
|
1731 |
|
1732 |
|
1733 | if (c_len > 1) { utf16buf[out++] = 0xfffd; continue; }
|
1734 |
|
1735 | if (c < 0x10000) {
|
1736 | utf16buf[out++] = c;
|
1737 | } else {
|
1738 | c -= 0x10000;
|
1739 | utf16buf[out++] = 0xd800 | ((c >> 10) & 0x3ff);
|
1740 | utf16buf[out++] = 0xdc00 | (c & 0x3ff);
|
1741 | }
|
1742 | }
|
1743 |
|
1744 |
|
1745 | if (utf16buf.length !== out) {
|
1746 | if(utf16buf.subarray) {
|
1747 | utf16buf = utf16buf.subarray(0, out);
|
1748 | } else {
|
1749 | utf16buf.length = out;
|
1750 | }
|
1751 | }
|
1752 |
|
1753 |
|
1754 | return utils.applyFromCharCode(utf16buf);
|
1755 | };
|
1756 |
|
1757 |
|
1758 |
|
1759 |
|
1760 |
|
1761 |
|
1762 |
|
1763 |
|
1764 |
|
1765 |
|
1766 |
|
1767 | exports.utf8encode = function utf8encode(str) {
|
1768 | if (support.nodebuffer) {
|
1769 | return nodeBuffer(str, "utf-8");
|
1770 | }
|
1771 |
|
1772 | return string2buf(str);
|
1773 | };
|
1774 |
|
1775 |
|
1776 |
|
1777 |
|
1778 |
|
1779 |
|
1780 |
|
1781 |
|
1782 | exports.utf8decode = function utf8decode(buf) {
|
1783 | if (support.nodebuffer) {
|
1784 | return utils.transformTo("nodebuffer", buf).toString("utf-8");
|
1785 | }
|
1786 |
|
1787 | buf = utils.transformTo(support.uint8array ? "uint8array" : "array", buf);
|
1788 |
|
1789 |
|
1790 |
|
1791 |
|
1792 |
|
1793 | var result = [], k = 0, len = buf.length, chunk = 65536;
|
1794 | while (k < len) {
|
1795 | var nextBoundary = utf8border(buf, Math.min(k + chunk, len));
|
1796 | if (support.uint8array) {
|
1797 | result.push(buf2string(buf.subarray(k, nextBoundary)));
|
1798 | } else {
|
1799 | result.push(buf2string(buf.slice(k, nextBoundary)));
|
1800 | }
|
1801 | k = nextBoundary;
|
1802 | }
|
1803 | return result.join("");
|
1804 |
|
1805 | };
|
1806 |
|
1807 |
|
1808 | },{"./nodeBuffer":11,"./support":17,"./utils":21}],21:[function(_dereq_,module,exports){
|
1809 | 'use strict';
|
1810 | var support = _dereq_('./support');
|
1811 | var compressions = _dereq_('./compressions');
|
1812 | var nodeBuffer = _dereq_('./nodeBuffer');
|
1813 |
|
1814 |
|
1815 |
|
1816 |
|
1817 |
|
1818 | exports.string2binary = function(str) {
|
1819 | var result = "";
|
1820 | for (var i = 0; i < str.length; i++) {
|
1821 | result += String.fromCharCode(str.charCodeAt(i) & 0xff);
|
1822 | }
|
1823 | return result;
|
1824 | };
|
1825 | exports.arrayBuffer2Blob = function(buffer) {
|
1826 | exports.checkSupport("blob");
|
1827 |
|
1828 | try {
|
1829 |
|
1830 | return new Blob([buffer], {
|
1831 | type: "application/zip"
|
1832 | });
|
1833 | }
|
1834 | catch (e) {
|
1835 |
|
1836 | try {
|
1837 |
|
1838 | var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
|
1839 | var builder = new Builder();
|
1840 | builder.append(buffer);
|
1841 | return builder.getBlob('application/zip');
|
1842 | }
|
1843 | catch (e) {
|
1844 |
|
1845 |
|
1846 | throw new Error("Bug : can't construct the Blob.");
|
1847 | }
|
1848 | }
|
1849 |
|
1850 |
|
1851 | };
|
1852 |
|
1853 |
|
1854 |
|
1855 |
|
1856 |
|
1857 | function identity(input) {
|
1858 | return input;
|
1859 | }
|
1860 |
|
1861 |
|
1862 |
|
1863 |
|
1864 |
|
1865 |
|
1866 |
|
1867 | function stringToArrayLike(str, array) {
|
1868 | for (var i = 0; i < str.length; ++i) {
|
1869 | array[i] = str.charCodeAt(i) & 0xFF;
|
1870 | }
|
1871 | return array;
|
1872 | }
|
1873 |
|
1874 |
|
1875 |
|
1876 |
|
1877 |
|
1878 |
|
1879 | function arrayLikeToString(array) {
|
1880 |
|
1881 |
|
1882 |
|
1883 |
|
1884 |
|
1885 |
|
1886 |
|
1887 |
|
1888 |
|
1889 | var chunk = 65536;
|
1890 | var result = [],
|
1891 | len = array.length,
|
1892 | type = exports.getTypeOf(array),
|
1893 | k = 0,
|
1894 | canUseApply = true;
|
1895 | try {
|
1896 | switch(type) {
|
1897 | case "uint8array":
|
1898 | String.fromCharCode.apply(null, new Uint8Array(0));
|
1899 | break;
|
1900 | case "nodebuffer":
|
1901 | String.fromCharCode.apply(null, nodeBuffer(0));
|
1902 | break;
|
1903 | }
|
1904 | } catch(e) {
|
1905 | canUseApply = false;
|
1906 | }
|
1907 |
|
1908 |
|
1909 |
|
1910 | if (!canUseApply) {
|
1911 | var resultStr = "";
|
1912 | for(var i = 0; i < array.length;i++) {
|
1913 | resultStr += String.fromCharCode(array[i]);
|
1914 | }
|
1915 | return resultStr;
|
1916 | }
|
1917 | while (k < len && chunk > 1) {
|
1918 | try {
|
1919 | if (type === "array" || type === "nodebuffer") {
|
1920 | result.push(String.fromCharCode.apply(null, array.slice(k, Math.min(k + chunk, len))));
|
1921 | }
|
1922 | else {
|
1923 | result.push(String.fromCharCode.apply(null, array.subarray(k, Math.min(k + chunk, len))));
|
1924 | }
|
1925 | k += chunk;
|
1926 | }
|
1927 | catch (e) {
|
1928 | chunk = Math.floor(chunk / 2);
|
1929 | }
|
1930 | }
|
1931 | return result.join("");
|
1932 | }
|
1933 |
|
1934 | exports.applyFromCharCode = arrayLikeToString;
|
1935 |
|
1936 |
|
1937 |
|
1938 |
|
1939 |
|
1940 |
|
1941 |
|
1942 |
|
1943 | function arrayLikeToArrayLike(arrayFrom, arrayTo) {
|
1944 | for (var i = 0; i < arrayFrom.length; i++) {
|
1945 | arrayTo[i] = arrayFrom[i];
|
1946 | }
|
1947 | return arrayTo;
|
1948 | }
|
1949 |
|
1950 |
|
1951 | var transform = {};
|
1952 |
|
1953 |
|
1954 | transform["string"] = {
|
1955 | "string": identity,
|
1956 | "array": function(input) {
|
1957 | return stringToArrayLike(input, new Array(input.length));
|
1958 | },
|
1959 | "arraybuffer": function(input) {
|
1960 | return transform["string"]["uint8array"](input).buffer;
|
1961 | },
|
1962 | "uint8array": function(input) {
|
1963 | return stringToArrayLike(input, new Uint8Array(input.length));
|
1964 | },
|
1965 | "nodebuffer": function(input) {
|
1966 | return stringToArrayLike(input, nodeBuffer(input.length));
|
1967 | }
|
1968 | };
|
1969 |
|
1970 |
|
1971 | transform["array"] = {
|
1972 | "string": arrayLikeToString,
|
1973 | "array": identity,
|
1974 | "arraybuffer": function(input) {
|
1975 | return (new Uint8Array(input)).buffer;
|
1976 | },
|
1977 | "uint8array": function(input) {
|
1978 | return new Uint8Array(input);
|
1979 | },
|
1980 | "nodebuffer": function(input) {
|
1981 | return nodeBuffer(input);
|
1982 | }
|
1983 | };
|
1984 |
|
1985 |
|
1986 | transform["arraybuffer"] = {
|
1987 | "string": function(input) {
|
1988 | return arrayLikeToString(new Uint8Array(input));
|
1989 | },
|
1990 | "array": function(input) {
|
1991 | return arrayLikeToArrayLike(new Uint8Array(input), new Array(input.byteLength));
|
1992 | },
|
1993 | "arraybuffer": identity,
|
1994 | "uint8array": function(input) {
|
1995 | return new Uint8Array(input);
|
1996 | },
|
1997 | "nodebuffer": function(input) {
|
1998 | return nodeBuffer(new Uint8Array(input));
|
1999 | }
|
2000 | };
|
2001 |
|
2002 |
|
2003 | transform["uint8array"] = {
|
2004 | "string": arrayLikeToString,
|
2005 | "array": function(input) {
|
2006 | return arrayLikeToArrayLike(input, new Array(input.length));
|
2007 | },
|
2008 | "arraybuffer": function(input) {
|
2009 | return input.buffer;
|
2010 | },
|
2011 | "uint8array": identity,
|
2012 | "nodebuffer": function(input) {
|
2013 | return nodeBuffer(input);
|
2014 | }
|
2015 | };
|
2016 |
|
2017 |
|
2018 | transform["nodebuffer"] = {
|
2019 | "string": arrayLikeToString,
|
2020 | "array": function(input) {
|
2021 | return arrayLikeToArrayLike(input, new Array(input.length));
|
2022 | },
|
2023 | "arraybuffer": function(input) {
|
2024 | return transform["nodebuffer"]["uint8array"](input).buffer;
|
2025 | },
|
2026 | "uint8array": function(input) {
|
2027 | return arrayLikeToArrayLike(input, new Uint8Array(input.length));
|
2028 | },
|
2029 | "nodebuffer": identity
|
2030 | };
|
2031 |
|
2032 |
|
2033 |
|
2034 |
|
2035 |
|
2036 |
|
2037 |
|
2038 |
|
2039 |
|
2040 | exports.transformTo = function(outputType, input) {
|
2041 | if (!input) {
|
2042 |
|
2043 |
|
2044 | input = "";
|
2045 | }
|
2046 | if (!outputType) {
|
2047 | return input;
|
2048 | }
|
2049 | exports.checkSupport(outputType);
|
2050 | var inputType = exports.getTypeOf(input);
|
2051 | var result = transform[inputType][outputType](input);
|
2052 | return result;
|
2053 | };
|
2054 |
|
2055 |
|
2056 |
|
2057 |
|
2058 |
|
2059 |
|
2060 |
|
2061 | exports.getTypeOf = function(input) {
|
2062 | if (typeof input === "string") {
|
2063 | return "string";
|
2064 | }
|
2065 | if (Object.prototype.toString.call(input) === "[object Array]") {
|
2066 | return "array";
|
2067 | }
|
2068 | if (support.nodebuffer && nodeBuffer.test(input)) {
|
2069 | return "nodebuffer";
|
2070 | }
|
2071 | if (support.uint8array && input instanceof Uint8Array) {
|
2072 | return "uint8array";
|
2073 | }
|
2074 | if (support.arraybuffer && input instanceof ArrayBuffer) {
|
2075 | return "arraybuffer";
|
2076 | }
|
2077 | };
|
2078 |
|
2079 |
|
2080 |
|
2081 |
|
2082 |
|
2083 |
|
2084 | exports.checkSupport = function(type) {
|
2085 | var supported = support[type.toLowerCase()];
|
2086 | if (!supported) {
|
2087 | throw new Error(type + " is not supported by this browser");
|
2088 | }
|
2089 | };
|
2090 | exports.MAX_VALUE_16BITS = 65535;
|
2091 | exports.MAX_VALUE_32BITS = -1;
|
2092 |
|
2093 |
|
2094 |
|
2095 |
|
2096 |
|
2097 |
|
2098 | exports.pretty = function(str) {
|
2099 | var res = '',
|
2100 | code, i;
|
2101 | for (i = 0; i < (str || "").length; i++) {
|
2102 | code = str.charCodeAt(i);
|
2103 | res += '\\x' + (code < 16 ? "0" : "") + code.toString(16).toUpperCase();
|
2104 | }
|
2105 | return res;
|
2106 | };
|
2107 |
|
2108 |
|
2109 |
|
2110 |
|
2111 |
|
2112 |
|
2113 | exports.findCompression = function(compressionMethod) {
|
2114 | for (var method in compressions) {
|
2115 | if (!compressions.hasOwnProperty(method)) {
|
2116 | continue;
|
2117 | }
|
2118 | if (compressions[method].magic === compressionMethod) {
|
2119 | return compressions[method];
|
2120 | }
|
2121 | }
|
2122 | return null;
|
2123 | };
|
2124 |
|
2125 |
|
2126 |
|
2127 |
|
2128 |
|
2129 |
|
2130 | exports.isRegExp = function (object) {
|
2131 | return Object.prototype.toString.call(object) === "[object RegExp]";
|
2132 | };
|
2133 |
|
2134 |
|
2135 | },{"./compressions":3,"./nodeBuffer":11,"./support":17}],22:[function(_dereq_,module,exports){
|
2136 | 'use strict';
|
2137 | var StringReader = _dereq_('./stringReader');
|
2138 | var NodeBufferReader = _dereq_('./nodeBufferReader');
|
2139 | var Uint8ArrayReader = _dereq_('./uint8ArrayReader');
|
2140 | var utils = _dereq_('./utils');
|
2141 | var sig = _dereq_('./signature');
|
2142 | var ZipEntry = _dereq_('./zipEntry');
|
2143 | var support = _dereq_('./support');
|
2144 | var jszipProto = _dereq_('./object');
|
2145 |
|
2146 |
|
2147 |
|
2148 |
|
2149 |
|
2150 |
|
2151 |
|
2152 | function ZipEntries(data, loadOptions) {
|
2153 | this.files = [];
|
2154 | this.loadOptions = loadOptions;
|
2155 | if (data) {
|
2156 | this.load(data);
|
2157 | }
|
2158 | }
|
2159 | ZipEntries.prototype = {
|
2160 | |
2161 |
|
2162 |
|
2163 |
|
2164 |
|
2165 | checkSignature: function(expectedSignature) {
|
2166 | var signature = this.reader.readString(4);
|
2167 | if (signature !== expectedSignature) {
|
2168 | throw new Error("Corrupted zip or bug : unexpected signature " + "(" + utils.pretty(signature) + ", expected " + utils.pretty(expectedSignature) + ")");
|
2169 | }
|
2170 | },
|
2171 | |
2172 |
|
2173 |
|
2174 | readBlockEndOfCentral: function() {
|
2175 | this.diskNumber = this.reader.readInt(2);
|
2176 | this.diskWithCentralDirStart = this.reader.readInt(2);
|
2177 | this.centralDirRecordsOnThisDisk = this.reader.readInt(2);
|
2178 | this.centralDirRecords = this.reader.readInt(2);
|
2179 | this.centralDirSize = this.reader.readInt(4);
|
2180 | this.centralDirOffset = this.reader.readInt(4);
|
2181 |
|
2182 | this.zipCommentLength = this.reader.readInt(2);
|
2183 |
|
2184 |
|
2185 |
|
2186 | this.zipComment = this.reader.readString(this.zipCommentLength);
|
2187 |
|
2188 |
|
2189 | this.zipComment = jszipProto.utf8decode(this.zipComment);
|
2190 | },
|
2191 | |
2192 |
|
2193 |
|
2194 |
|
2195 |
|
2196 |
|
2197 | readBlockZip64EndOfCentral: function() {
|
2198 | this.zip64EndOfCentralSize = this.reader.readInt(8);
|
2199 | this.versionMadeBy = this.reader.readString(2);
|
2200 | this.versionNeeded = this.reader.readInt(2);
|
2201 | this.diskNumber = this.reader.readInt(4);
|
2202 | this.diskWithCentralDirStart = this.reader.readInt(4);
|
2203 | this.centralDirRecordsOnThisDisk = this.reader.readInt(8);
|
2204 | this.centralDirRecords = this.reader.readInt(8);
|
2205 | this.centralDirSize = this.reader.readInt(8);
|
2206 | this.centralDirOffset = this.reader.readInt(8);
|
2207 |
|
2208 | this.zip64ExtensibleData = {};
|
2209 | var extraDataSize = this.zip64EndOfCentralSize - 44,
|
2210 | index = 0,
|
2211 | extraFieldId,
|
2212 | extraFieldLength,
|
2213 | extraFieldValue;
|
2214 | while (index < extraDataSize) {
|
2215 | extraFieldId = this.reader.readInt(2);
|
2216 | extraFieldLength = this.reader.readInt(4);
|
2217 | extraFieldValue = this.reader.readString(extraFieldLength);
|
2218 | this.zip64ExtensibleData[extraFieldId] = {
|
2219 | id: extraFieldId,
|
2220 | length: extraFieldLength,
|
2221 | value: extraFieldValue
|
2222 | };
|
2223 | }
|
2224 | },
|
2225 | |
2226 |
|
2227 |
|
2228 | readBlockZip64EndOfCentralLocator: function() {
|
2229 | this.diskWithZip64CentralDirStart = this.reader.readInt(4);
|
2230 | this.relativeOffsetEndOfZip64CentralDir = this.reader.readInt(8);
|
2231 | this.disksCount = this.reader.readInt(4);
|
2232 | if (this.disksCount > 1) {
|
2233 | throw new Error("Multi-volumes zip are not supported");
|
2234 | }
|
2235 | },
|
2236 | |
2237 |
|
2238 |
|
2239 | readLocalFiles: function() {
|
2240 | var i, file;
|
2241 | for (i = 0; i < this.files.length; i++) {
|
2242 | file = this.files[i];
|
2243 | this.reader.setIndex(file.localHeaderOffset);
|
2244 | this.checkSignature(sig.LOCAL_FILE_HEADER);
|
2245 | file.readLocalPart(this.reader);
|
2246 | file.handleUTF8();
|
2247 | }
|
2248 | },
|
2249 | |
2250 |
|
2251 |
|
2252 | readCentralDir: function() {
|
2253 | var file;
|
2254 |
|
2255 | this.reader.setIndex(this.centralDirOffset);
|
2256 | while (this.reader.readString(4) === sig.CENTRAL_FILE_HEADER) {
|
2257 | file = new ZipEntry({
|
2258 | zip64: this.zip64
|
2259 | }, this.loadOptions);
|
2260 | file.readCentralPart(this.reader);
|
2261 | this.files.push(file);
|
2262 | }
|
2263 | },
|
2264 | |
2265 |
|
2266 |
|
2267 | readEndOfCentral: function() {
|
2268 | var offset = this.reader.lastIndexOfSignature(sig.CENTRAL_DIRECTORY_END);
|
2269 | if (offset === -1) {
|
2270 | throw new Error("Corrupted zip : can't find end of central directory");
|
2271 | }
|
2272 | this.reader.setIndex(offset);
|
2273 | this.checkSignature(sig.CENTRAL_DIRECTORY_END);
|
2274 | this.readBlockEndOfCentral();
|
2275 |
|
2276 |
|
2277 | |
2278 |
|
2279 |
|
2280 |
|
2281 |
|
2282 |
|
2283 |
|
2284 |
|
2285 |
|
2286 |
|
2287 | if (this.diskNumber === utils.MAX_VALUE_16BITS || this.diskWithCentralDirStart === utils.MAX_VALUE_16BITS || this.centralDirRecordsOnThisDisk === utils.MAX_VALUE_16BITS || this.centralDirRecords === utils.MAX_VALUE_16BITS || this.centralDirSize === utils.MAX_VALUE_32BITS || this.centralDirOffset === utils.MAX_VALUE_32BITS) {
|
2288 | this.zip64 = true;
|
2289 |
|
2290 | |
2291 |
|
2292 |
|
2293 |
|
2294 |
|
2295 |
|
2296 |
|
2297 |
|
2298 |
|
2299 |
|
2300 | offset = this.reader.lastIndexOfSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
|
2301 | if (offset === -1) {
|
2302 | throw new Error("Corrupted zip : can't find the ZIP64 end of central directory locator");
|
2303 | }
|
2304 | this.reader.setIndex(offset);
|
2305 | this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
|
2306 | this.readBlockZip64EndOfCentralLocator();
|
2307 |
|
2308 |
|
2309 | this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir);
|
2310 | this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_END);
|
2311 | this.readBlockZip64EndOfCentral();
|
2312 | }
|
2313 | },
|
2314 | prepareReader: function(data) {
|
2315 | var type = utils.getTypeOf(data);
|
2316 | if (type === "string" && !support.uint8array) {
|
2317 | this.reader = new StringReader(data, this.loadOptions.optimizedBinaryString);
|
2318 | }
|
2319 | else if (type === "nodebuffer") {
|
2320 | this.reader = new NodeBufferReader(data);
|
2321 | }
|
2322 | else {
|
2323 | this.reader = new Uint8ArrayReader(utils.transformTo("uint8array", data));
|
2324 | }
|
2325 | },
|
2326 | |
2327 |
|
2328 |
|
2329 |
|
2330 | load: function(data) {
|
2331 | this.prepareReader(data);
|
2332 | this.readEndOfCentral();
|
2333 | this.readCentralDir();
|
2334 | this.readLocalFiles();
|
2335 | }
|
2336 | };
|
2337 |
|
2338 | module.exports = ZipEntries;
|
2339 |
|
2340 | },{"./nodeBufferReader":12,"./object":13,"./signature":14,"./stringReader":15,"./support":17,"./uint8ArrayReader":18,"./utils":21,"./zipEntry":23}],23:[function(_dereq_,module,exports){
|
2341 | 'use strict';
|
2342 | var StringReader = _dereq_('./stringReader');
|
2343 | var utils = _dereq_('./utils');
|
2344 | var CompressedObject = _dereq_('./compressedObject');
|
2345 | var jszipProto = _dereq_('./object');
|
2346 |
|
2347 |
|
2348 |
|
2349 |
|
2350 |
|
2351 |
|
2352 |
|
2353 | function ZipEntry(options, loadOptions) {
|
2354 | this.options = options;
|
2355 | this.loadOptions = loadOptions;
|
2356 | }
|
2357 | ZipEntry.prototype = {
|
2358 | |
2359 |
|
2360 |
|
2361 |
|
2362 | isEncrypted: function() {
|
2363 |
|
2364 | return (this.bitFlag & 0x0001) === 0x0001;
|
2365 | },
|
2366 | |
2367 |
|
2368 |
|
2369 |
|
2370 | useUTF8: function() {
|
2371 |
|
2372 | return (this.bitFlag & 0x0800) === 0x0800;
|
2373 | },
|
2374 | |
2375 |
|
2376 |
|
2377 |
|
2378 |
|
2379 |
|
2380 |
|
2381 | prepareCompressedContent: function(reader, from, length) {
|
2382 | return function() {
|
2383 | var previousIndex = reader.index;
|
2384 | reader.setIndex(from);
|
2385 | var compressedFileData = reader.readData(length);
|
2386 | reader.setIndex(previousIndex);
|
2387 |
|
2388 | return compressedFileData;
|
2389 | };
|
2390 | },
|
2391 | |
2392 |
|
2393 |
|
2394 |
|
2395 |
|
2396 |
|
2397 |
|
2398 |
|
2399 |
|
2400 | prepareContent: function(reader, from, length, compression, uncompressedSize) {
|
2401 | return function() {
|
2402 |
|
2403 | var compressedFileData = utils.transformTo(compression.uncompressInputType, this.getCompressedContent());
|
2404 | var uncompressedFileData = compression.uncompress(compressedFileData);
|
2405 |
|
2406 | if (uncompressedFileData.length !== uncompressedSize) {
|
2407 | throw new Error("Bug : uncompressed data size mismatch");
|
2408 | }
|
2409 |
|
2410 | return uncompressedFileData;
|
2411 | };
|
2412 | },
|
2413 | |
2414 |
|
2415 |
|
2416 |
|
2417 | readLocalPart: function(reader) {
|
2418 | var compression, localExtraFieldsLength;
|
2419 |
|
2420 |
|
2421 |
|
2422 |
|
2423 |
|
2424 |
|
2425 | reader.skip(22);
|
2426 |
|
2427 |
|
2428 |
|
2429 |
|
2430 |
|
2431 |
|
2432 |
|
2433 |
|
2434 |
|
2435 |
|
2436 |
|
2437 | this.fileNameLength = reader.readInt(2);
|
2438 | localExtraFieldsLength = reader.readInt(2);
|
2439 | this.fileName = reader.readString(this.fileNameLength);
|
2440 | reader.skip(localExtraFieldsLength);
|
2441 |
|
2442 | if (this.compressedSize == -1 || this.uncompressedSize == -1) {
|
2443 | throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory " + "(compressedSize == -1 || uncompressedSize == -1)");
|
2444 | }
|
2445 |
|
2446 | compression = utils.findCompression(this.compressionMethod);
|
2447 | if (compression === null) {
|
2448 | throw new Error("Corrupted zip : compression " + utils.pretty(this.compressionMethod) + " unknown (inner file : " + this.fileName + ")");
|
2449 | }
|
2450 | this.decompressed = new CompressedObject();
|
2451 | this.decompressed.compressedSize = this.compressedSize;
|
2452 | this.decompressed.uncompressedSize = this.uncompressedSize;
|
2453 | this.decompressed.crc32 = this.crc32;
|
2454 | this.decompressed.compressionMethod = this.compressionMethod;
|
2455 | this.decompressed.getCompressedContent = this.prepareCompressedContent(reader, reader.index, this.compressedSize, compression);
|
2456 | this.decompressed.getContent = this.prepareContent(reader, reader.index, this.compressedSize, compression, this.uncompressedSize);
|
2457 |
|
2458 |
|
2459 | if (this.loadOptions.checkCRC32) {
|
2460 | this.decompressed = utils.transformTo("string", this.decompressed.getContent());
|
2461 | if (jszipProto.crc32(this.decompressed) !== this.crc32) {
|
2462 | throw new Error("Corrupted zip : CRC32 mismatch");
|
2463 | }
|
2464 | }
|
2465 | },
|
2466 |
|
2467 | |
2468 |
|
2469 |
|
2470 |
|
2471 | readCentralPart: function(reader) {
|
2472 | this.versionMadeBy = reader.readString(2);
|
2473 | this.versionNeeded = reader.readInt(2);
|
2474 | this.bitFlag = reader.readInt(2);
|
2475 | this.compressionMethod = reader.readString(2);
|
2476 | this.date = reader.readDate();
|
2477 | this.crc32 = reader.readInt(4);
|
2478 | this.compressedSize = reader.readInt(4);
|
2479 | this.uncompressedSize = reader.readInt(4);
|
2480 | this.fileNameLength = reader.readInt(2);
|
2481 | this.extraFieldsLength = reader.readInt(2);
|
2482 | this.fileCommentLength = reader.readInt(2);
|
2483 | this.diskNumberStart = reader.readInt(2);
|
2484 | this.internalFileAttributes = reader.readInt(2);
|
2485 | this.externalFileAttributes = reader.readInt(4);
|
2486 | this.localHeaderOffset = reader.readInt(4);
|
2487 |
|
2488 | if (this.isEncrypted()) {
|
2489 | throw new Error("Encrypted zip are not supported");
|
2490 | }
|
2491 |
|
2492 | this.fileName = reader.readString(this.fileNameLength);
|
2493 | this.readExtraFields(reader);
|
2494 | this.parseZIP64ExtraField(reader);
|
2495 | this.fileComment = reader.readString(this.fileCommentLength);
|
2496 |
|
2497 |
|
2498 | this.dir = this.externalFileAttributes & 0x00000010 ? true : false;
|
2499 | },
|
2500 | |
2501 |
|
2502 |
|
2503 |
|
2504 | parseZIP64ExtraField: function(reader) {
|
2505 |
|
2506 | if (!this.extraFields[0x0001]) {
|
2507 | return;
|
2508 | }
|
2509 |
|
2510 |
|
2511 | var extraReader = new StringReader(this.extraFields[0x0001].value);
|
2512 |
|
2513 |
|
2514 |
|
2515 | if (this.uncompressedSize === utils.MAX_VALUE_32BITS) {
|
2516 | this.uncompressedSize = extraReader.readInt(8);
|
2517 | }
|
2518 | if (this.compressedSize === utils.MAX_VALUE_32BITS) {
|
2519 | this.compressedSize = extraReader.readInt(8);
|
2520 | }
|
2521 | if (this.localHeaderOffset === utils.MAX_VALUE_32BITS) {
|
2522 | this.localHeaderOffset = extraReader.readInt(8);
|
2523 | }
|
2524 | if (this.diskNumberStart === utils.MAX_VALUE_32BITS) {
|
2525 | this.diskNumberStart = extraReader.readInt(4);
|
2526 | }
|
2527 | },
|
2528 | |
2529 |
|
2530 |
|
2531 |
|
2532 | readExtraFields: function(reader) {
|
2533 | var start = reader.index,
|
2534 | extraFieldId,
|
2535 | extraFieldLength,
|
2536 | extraFieldValue;
|
2537 |
|
2538 | this.extraFields = this.extraFields || {};
|
2539 |
|
2540 | while (reader.index < start + this.extraFieldsLength) {
|
2541 | extraFieldId = reader.readInt(2);
|
2542 | extraFieldLength = reader.readInt(2);
|
2543 | extraFieldValue = reader.readString(extraFieldLength);
|
2544 |
|
2545 | this.extraFields[extraFieldId] = {
|
2546 | id: extraFieldId,
|
2547 | length: extraFieldLength,
|
2548 | value: extraFieldValue
|
2549 | };
|
2550 | }
|
2551 | },
|
2552 | |
2553 |
|
2554 |
|
2555 | handleUTF8: function() {
|
2556 | if (this.useUTF8()) {
|
2557 | this.fileName = jszipProto.utf8decode(this.fileName);
|
2558 | this.fileComment = jszipProto.utf8decode(this.fileComment);
|
2559 | } else {
|
2560 | var upath = this.findExtraFieldUnicodePath();
|
2561 | if (upath !== null) {
|
2562 | this.fileName = upath;
|
2563 | }
|
2564 | var ucomment = this.findExtraFieldUnicodeComment();
|
2565 | if (ucomment !== null) {
|
2566 | this.fileComment = ucomment;
|
2567 | }
|
2568 | }
|
2569 | },
|
2570 |
|
2571 | |
2572 |
|
2573 |
|
2574 |
|
2575 | findExtraFieldUnicodePath: function() {
|
2576 | var upathField = this.extraFields[0x7075];
|
2577 | if (upathField) {
|
2578 | var extraReader = new StringReader(upathField.value);
|
2579 |
|
2580 |
|
2581 | if (extraReader.readInt(1) !== 1) {
|
2582 | return null;
|
2583 | }
|
2584 |
|
2585 |
|
2586 | if (jszipProto.crc32(this.fileName) !== extraReader.readInt(4)) {
|
2587 | return null;
|
2588 | }
|
2589 |
|
2590 | return jszipProto.utf8decode(extraReader.readString(upathField.length - 5));
|
2591 | }
|
2592 | return null;
|
2593 | },
|
2594 |
|
2595 | |
2596 |
|
2597 |
|
2598 |
|
2599 | findExtraFieldUnicodeComment: function() {
|
2600 | var ucommentField = this.extraFields[0x6375];
|
2601 | if (ucommentField) {
|
2602 | var extraReader = new StringReader(ucommentField.value);
|
2603 |
|
2604 |
|
2605 | if (extraReader.readInt(1) !== 1) {
|
2606 | return null;
|
2607 | }
|
2608 |
|
2609 |
|
2610 | if (jszipProto.crc32(this.fileComment) !== extraReader.readInt(4)) {
|
2611 | return null;
|
2612 | }
|
2613 |
|
2614 | return jszipProto.utf8decode(extraReader.readString(ucommentField.length - 5));
|
2615 | }
|
2616 | return null;
|
2617 | }
|
2618 | };
|
2619 | module.exports = ZipEntry;
|
2620 |
|
2621 | },{"./compressedObject":2,"./object":13,"./stringReader":15,"./utils":21}],24:[function(_dereq_,module,exports){
|
2622 |
|
2623 | 'use strict';
|
2624 |
|
2625 | var assign = _dereq_('./lib/utils/common').assign;
|
2626 |
|
2627 | var deflate = _dereq_('./lib/deflate');
|
2628 | var inflate = _dereq_('./lib/inflate');
|
2629 | var constants = _dereq_('./lib/zlib/constants');
|
2630 |
|
2631 | var pako = {};
|
2632 |
|
2633 | assign(pako, deflate, inflate, constants);
|
2634 |
|
2635 | module.exports = pako;
|
2636 | },{"./lib/deflate":25,"./lib/inflate":26,"./lib/utils/common":27,"./lib/zlib/constants":30}],25:[function(_dereq_,module,exports){
|
2637 | 'use strict';
|
2638 |
|
2639 |
|
2640 | var zlib_deflate = _dereq_('./zlib/deflate.js');
|
2641 | var utils = _dereq_('./utils/common');
|
2642 | var strings = _dereq_('./utils/strings');
|
2643 | var msg = _dereq_('./zlib/messages');
|
2644 | var zstream = _dereq_('./zlib/zstream');
|
2645 |
|
2646 |
|
2647 |
|
2648 |
|
2649 |
|
2650 | var Z_NO_FLUSH = 0;
|
2651 | var Z_FINISH = 4;
|
2652 |
|
2653 | var Z_OK = 0;
|
2654 | var Z_STREAM_END = 1;
|
2655 |
|
2656 | var Z_DEFAULT_COMPRESSION = -1;
|
2657 |
|
2658 | var Z_DEFAULT_STRATEGY = 0;
|
2659 |
|
2660 | var Z_DEFLATED = 8;
|
2661 |
|
2662 |
|
2663 |
|
2664 |
|
2665 |
|
2666 |
|
2667 |
|
2668 |
|
2669 |
|
2670 |
|
2671 |
|
2672 |
|
2673 |
|
2674 |
|
2675 |
|
2676 |
|
2677 |
|
2678 |
|
2679 |
|
2680 |
|
2681 |
|
2682 |
|
2683 |
|
2684 |
|
2685 |
|
2686 |
|
2687 |
|
2688 |
|
2689 |
|
2690 |
|
2691 |
|
2692 |
|
2693 |
|
2694 |
|
2695 |
|
2696 |
|
2697 |
|
2698 |
|
2699 |
|
2700 |
|
2701 |
|
2702 |
|
2703 |
|
2704 |
|
2705 |
|
2706 |
|
2707 |
|
2708 |
|
2709 |
|
2710 |
|
2711 |
|
2712 |
|
2713 |
|
2714 |
|
2715 |
|
2716 |
|
2717 |
|
2718 |
|
2719 |
|
2720 |
|
2721 |
|
2722 |
|
2723 |
|
2724 |
|
2725 |
|
2726 |
|
2727 |
|
2728 |
|
2729 |
|
2730 |
|
2731 |
|
2732 |
|
2733 |
|
2734 |
|
2735 |
|
2736 |
|
2737 |
|
2738 |
|
2739 |
|
2740 |
|
2741 |
|
2742 |
|
2743 |
|
2744 |
|
2745 |
|
2746 |
|
2747 |
|
2748 |
|
2749 |
|
2750 |
|
2751 | var Deflate = function(options) {
|
2752 |
|
2753 | this.options = utils.assign({
|
2754 | level: Z_DEFAULT_COMPRESSION,
|
2755 | method: Z_DEFLATED,
|
2756 | chunkSize: 16384,
|
2757 | windowBits: 15,
|
2758 | memLevel: 8,
|
2759 | strategy: Z_DEFAULT_STRATEGY,
|
2760 | to: ''
|
2761 | }, options || {});
|
2762 |
|
2763 | var opt = this.options;
|
2764 |
|
2765 | if (opt.raw && (opt.windowBits > 0)) {
|
2766 | opt.windowBits = -opt.windowBits;
|
2767 | }
|
2768 |
|
2769 | else if (opt.gzip && (opt.windowBits > 0) && (opt.windowBits < 16)) {
|
2770 | opt.windowBits += 16;
|
2771 | }
|
2772 |
|
2773 | this.err = 0;
|
2774 | this.msg = '';
|
2775 | this.ended = false;
|
2776 | this.chunks = [];
|
2777 |
|
2778 | this.strm = new zstream();
|
2779 | this.strm.avail_out = 0;
|
2780 |
|
2781 | var status = zlib_deflate.deflateInit2(
|
2782 | this.strm,
|
2783 | opt.level,
|
2784 | opt.method,
|
2785 | opt.windowBits,
|
2786 | opt.memLevel,
|
2787 | opt.strategy
|
2788 | );
|
2789 |
|
2790 | if (status !== Z_OK) {
|
2791 | throw new Error(msg[status]);
|
2792 | }
|
2793 |
|
2794 | if (opt.header) {
|
2795 | zlib_deflate.deflateSetHeader(this.strm, opt.header);
|
2796 | }
|
2797 | };
|
2798 |
|
2799 |
|
2800 |
|
2801 |
|
2802 |
|
2803 |
|
2804 |
|
2805 |
|
2806 |
|
2807 |
|
2808 |
|
2809 |
|
2810 |
|
2811 |
|
2812 |
|
2813 |
|
2814 |
|
2815 |
|
2816 |
|
2817 |
|
2818 |
|
2819 |
|
2820 |
|
2821 |
|
2822 |
|
2823 |
|
2824 |
|
2825 |
|
2826 |
|
2827 | Deflate.prototype.push = function(data, mode) {
|
2828 | var strm = this.strm;
|
2829 | var chunkSize = this.options.chunkSize;
|
2830 | var status, _mode;
|
2831 |
|
2832 | if (this.ended) { return false; }
|
2833 |
|
2834 | _mode = (mode === ~~mode) ? mode : ((mode === true) ? Z_FINISH : Z_NO_FLUSH);
|
2835 |
|
2836 |
|
2837 | if (typeof data === 'string') {
|
2838 |
|
2839 | strm.input = strings.string2buf(data);
|
2840 | } else {
|
2841 | strm.input = data;
|
2842 | }
|
2843 |
|
2844 | strm.next_in = 0;
|
2845 | strm.avail_in = strm.input.length;
|
2846 |
|
2847 | do {
|
2848 | if (strm.avail_out === 0) {
|
2849 | strm.output = new utils.Buf8(chunkSize);
|
2850 | strm.next_out = 0;
|
2851 | strm.avail_out = chunkSize;
|
2852 | }
|
2853 | status = zlib_deflate.deflate(strm, _mode);
|
2854 |
|
2855 | if (status !== Z_STREAM_END && status !== Z_OK) {
|
2856 | this.onEnd(status);
|
2857 | this.ended = true;
|
2858 | return false;
|
2859 | }
|
2860 | if (strm.avail_out === 0 || (strm.avail_in === 0 && _mode === Z_FINISH)) {
|
2861 | if (this.options.to === 'string') {
|
2862 | this.onData(strings.buf2binstring(utils.shrinkBuf(strm.output, strm.next_out)));
|
2863 | } else {
|
2864 | this.onData(utils.shrinkBuf(strm.output, strm.next_out));
|
2865 | }
|
2866 | }
|
2867 | } while ((strm.avail_in > 0 || strm.avail_out === 0) && status !== Z_STREAM_END);
|
2868 |
|
2869 |
|
2870 | if (_mode === Z_FINISH) {
|
2871 | status = zlib_deflate.deflateEnd(this.strm);
|
2872 | this.onEnd(status);
|
2873 | this.ended = true;
|
2874 | return status === Z_OK;
|
2875 | }
|
2876 |
|
2877 | return true;
|
2878 | };
|
2879 |
|
2880 |
|
2881 |
|
2882 |
|
2883 |
|
2884 |
|
2885 |
|
2886 |
|
2887 |
|
2888 |
|
2889 |
|
2890 | Deflate.prototype.onData = function(chunk) {
|
2891 | this.chunks.push(chunk);
|
2892 | };
|
2893 |
|
2894 |
|
2895 |
|
2896 |
|
2897 |
|
2898 |
|
2899 |
|
2900 |
|
2901 |
|
2902 |
|
2903 |
|
2904 | Deflate.prototype.onEnd = function(status) {
|
2905 |
|
2906 | if (status === Z_OK) {
|
2907 | if (this.options.to === 'string') {
|
2908 | this.result = this.chunks.join('');
|
2909 | } else {
|
2910 | this.result = utils.flattenChunks(this.chunks);
|
2911 | }
|
2912 | }
|
2913 | this.chunks = [];
|
2914 | this.err = status;
|
2915 | this.msg = this.strm.msg;
|
2916 | };
|
2917 |
|
2918 |
|
2919 |
|
2920 |
|
2921 |
|
2922 |
|
2923 |
|
2924 |
|
2925 |
|
2926 |
|
2927 |
|
2928 |
|
2929 |
|
2930 |
|
2931 |
|
2932 |
|
2933 |
|
2934 |
|
2935 |
|
2936 |
|
2937 |
|
2938 |
|
2939 |
|
2940 |
|
2941 |
|
2942 |
|
2943 |
|
2944 |
|
2945 |
|
2946 |
|
2947 |
|
2948 |
|
2949 |
|
2950 |
|
2951 |
|
2952 | function deflate(input, options) {
|
2953 | var deflator = new Deflate(options);
|
2954 |
|
2955 | deflator.push(input, true);
|
2956 |
|
2957 |
|
2958 | if (deflator.err) { throw deflator.msg; }
|
2959 |
|
2960 | return deflator.result;
|
2961 | }
|
2962 |
|
2963 |
|
2964 |
|
2965 |
|
2966 |
|
2967 |
|
2968 |
|
2969 |
|
2970 |
|
2971 |
|
2972 | function deflateRaw(input, options) {
|
2973 | options = options || {};
|
2974 | options.raw = true;
|
2975 | return deflate(input, options);
|
2976 | }
|
2977 |
|
2978 |
|
2979 |
|
2980 |
|
2981 |
|
2982 |
|
2983 |
|
2984 |
|
2985 |
|
2986 |
|
2987 | function gzip(input, options) {
|
2988 | options = options || {};
|
2989 | options.gzip = true;
|
2990 | return deflate(input, options);
|
2991 | }
|
2992 |
|
2993 |
|
2994 | exports.Deflate = Deflate;
|
2995 | exports.deflate = deflate;
|
2996 | exports.deflateRaw = deflateRaw;
|
2997 | exports.gzip = gzip;
|
2998 | },{"./utils/common":27,"./utils/strings":28,"./zlib/deflate.js":32,"./zlib/messages":37,"./zlib/zstream":39}],26:[function(_dereq_,module,exports){
|
2999 | 'use strict';
|
3000 |
|
3001 |
|
3002 | var zlib_inflate = _dereq_('./zlib/inflate.js');
|
3003 | var utils = _dereq_('./utils/common');
|
3004 | var strings = _dereq_('./utils/strings');
|
3005 | var c = _dereq_('./zlib/constants');
|
3006 | var msg = _dereq_('./zlib/messages');
|
3007 | var zstream = _dereq_('./zlib/zstream');
|
3008 | var gzheader = _dereq_('./zlib/gzheader');
|
3009 |
|
3010 |
|
3011 |
|
3012 |
|
3013 |
|
3014 |
|
3015 |
|
3016 |
|
3017 |
|
3018 |
|
3019 |
|
3020 |
|
3021 |
|
3022 |
|
3023 |
|
3024 |
|
3025 |
|
3026 |
|
3027 |
|
3028 |
|
3029 |
|
3030 |
|
3031 |
|
3032 |
|
3033 |
|
3034 |
|
3035 |
|
3036 |
|
3037 |
|
3038 |
|
3039 |
|
3040 |
|
3041 |
|
3042 |
|
3043 |
|
3044 |
|
3045 |
|
3046 |
|
3047 |
|
3048 |
|
3049 |
|
3050 |
|
3051 |
|
3052 |
|
3053 |
|
3054 |
|
3055 |
|
3056 |
|
3057 |
|
3058 |
|
3059 |
|
3060 |
|
3061 |
|
3062 |
|
3063 |
|
3064 |
|
3065 |
|
3066 |
|
3067 |
|
3068 |
|
3069 |
|
3070 |
|
3071 |
|
3072 |
|
3073 |
|
3074 |
|
3075 |
|
3076 |
|
3077 |
|
3078 |
|
3079 |
|
3080 |
|
3081 |
|
3082 |
|
3083 |
|
3084 |
|
3085 |
|
3086 |
|
3087 | var Inflate = function(options) {
|
3088 |
|
3089 | this.options = utils.assign({
|
3090 | chunkSize: 16384,
|
3091 | windowBits: 0,
|
3092 | to: ''
|
3093 | }, options || {});
|
3094 |
|
3095 | var opt = this.options;
|
3096 |
|
3097 |
|
3098 |
|
3099 | if (opt.raw && (opt.windowBits >= 0) && (opt.windowBits < 16)) {
|
3100 | opt.windowBits = -opt.windowBits;
|
3101 | if (opt.windowBits === 0) { opt.windowBits = -15; }
|
3102 | }
|
3103 |
|
3104 |
|
3105 | if ((opt.windowBits >= 0) && (opt.windowBits < 16) &&
|
3106 | !(options && options.windowBits)) {
|
3107 | opt.windowBits += 32;
|
3108 | }
|
3109 |
|
3110 |
|
3111 |
|
3112 | if ((opt.windowBits > 15) && (opt.windowBits < 48)) {
|
3113 |
|
3114 |
|
3115 | if ((opt.windowBits & 15) === 0) {
|
3116 | opt.windowBits |= 15;
|
3117 | }
|
3118 | }
|
3119 |
|
3120 | this.err = 0;
|
3121 | this.msg = '';
|
3122 | this.ended = false;
|
3123 | this.chunks = [];
|
3124 |
|
3125 | this.strm = new zstream();
|
3126 | this.strm.avail_out = 0;
|
3127 |
|
3128 | var status = zlib_inflate.inflateInit2(
|
3129 | this.strm,
|
3130 | opt.windowBits
|
3131 | );
|
3132 |
|
3133 | if (status !== c.Z_OK) {
|
3134 | throw new Error(msg[status]);
|
3135 | }
|
3136 |
|
3137 | this.header = new gzheader();
|
3138 |
|
3139 | zlib_inflate.inflateGetHeader(this.strm, this.header);
|
3140 | };
|
3141 |
|
3142 |
|
3143 |
|
3144 |
|
3145 |
|
3146 |
|
3147 |
|
3148 |
|
3149 |
|
3150 |
|
3151 |
|
3152 |
|
3153 |
|
3154 |
|
3155 |
|
3156 |
|
3157 |
|
3158 |
|
3159 |
|
3160 |
|
3161 |
|
3162 |
|
3163 |
|
3164 |
|
3165 |
|
3166 |
|
3167 |
|
3168 |
|
3169 | Inflate.prototype.push = function(data, mode) {
|
3170 | var strm = this.strm;
|
3171 | var chunkSize = this.options.chunkSize;
|
3172 | var status, _mode;
|
3173 | var next_out_utf8, tail, utf8str;
|
3174 |
|
3175 | if (this.ended) { return false; }
|
3176 | _mode = (mode === ~~mode) ? mode : ((mode === true) ? c.Z_FINISH : c.Z_NO_FLUSH);
|
3177 |
|
3178 |
|
3179 | if (typeof data === 'string') {
|
3180 |
|
3181 | strm.input = strings.binstring2buf(data);
|
3182 | } else {
|
3183 | strm.input = data;
|
3184 | }
|
3185 |
|
3186 | strm.next_in = 0;
|
3187 | strm.avail_in = strm.input.length;
|
3188 |
|
3189 | do {
|
3190 | if (strm.avail_out === 0) {
|
3191 | strm.output = new utils.Buf8(chunkSize);
|
3192 | strm.next_out = 0;
|
3193 | strm.avail_out = chunkSize;
|
3194 | }
|
3195 |
|
3196 | status = zlib_inflate.inflate(strm, c.Z_NO_FLUSH);
|
3197 |
|
3198 | if (status !== c.Z_STREAM_END && status !== c.Z_OK) {
|
3199 | this.onEnd(status);
|
3200 | this.ended = true;
|
3201 | return false;
|
3202 | }
|
3203 |
|
3204 | if (strm.next_out) {
|
3205 | if (strm.avail_out === 0 || status === c.Z_STREAM_END || (strm.avail_in === 0 && _mode === c.Z_FINISH)) {
|
3206 |
|
3207 | if (this.options.to === 'string') {
|
3208 |
|
3209 | next_out_utf8 = strings.utf8border(strm.output, strm.next_out);
|
3210 |
|
3211 | tail = strm.next_out - next_out_utf8;
|
3212 | utf8str = strings.buf2string(strm.output, next_out_utf8);
|
3213 |
|
3214 |
|
3215 | strm.next_out = tail;
|
3216 | strm.avail_out = chunkSize - tail;
|
3217 | if (tail) { utils.arraySet(strm.output, strm.output, next_out_utf8, tail, 0); }
|
3218 |
|
3219 | this.onData(utf8str);
|
3220 |
|
3221 | } else {
|
3222 | this.onData(utils.shrinkBuf(strm.output, strm.next_out));
|
3223 | }
|
3224 | }
|
3225 | }
|
3226 | } while ((strm.avail_in > 0) && status !== c.Z_STREAM_END);
|
3227 |
|
3228 | if (status === c.Z_STREAM_END) {
|
3229 | _mode = c.Z_FINISH;
|
3230 | }
|
3231 |
|
3232 | if (_mode === c.Z_FINISH) {
|
3233 | status = zlib_inflate.inflateEnd(this.strm);
|
3234 | this.onEnd(status);
|
3235 | this.ended = true;
|
3236 | return status === c.Z_OK;
|
3237 | }
|
3238 |
|
3239 | return true;
|
3240 | };
|
3241 |
|
3242 |
|
3243 |
|
3244 |
|
3245 |
|
3246 |
|
3247 |
|
3248 |
|
3249 |
|
3250 |
|
3251 |
|
3252 | Inflate.prototype.onData = function(chunk) {
|
3253 | this.chunks.push(chunk);
|
3254 | };
|
3255 |
|
3256 |
|
3257 |
|
3258 |
|
3259 |
|
3260 |
|
3261 |
|
3262 |
|
3263 |
|
3264 |
|
3265 |
|
3266 | Inflate.prototype.onEnd = function(status) {
|
3267 |
|
3268 | if (status === c.Z_OK) {
|
3269 | if (this.options.to === 'string') {
|
3270 |
|
3271 |
|
3272 | this.result = this.chunks.join('');
|
3273 | } else {
|
3274 | this.result = utils.flattenChunks(this.chunks);
|
3275 | }
|
3276 | }
|
3277 | this.chunks = [];
|
3278 | this.err = status;
|
3279 | this.msg = this.strm.msg;
|
3280 | };
|
3281 |
|
3282 |
|
3283 |
|
3284 |
|
3285 |
|
3286 |
|
3287 |
|
3288 |
|
3289 |
|
3290 |
|
3291 |
|
3292 |
|
3293 |
|
3294 |
|
3295 |
|
3296 |
|
3297 |
|
3298 |
|
3299 |
|
3300 |
|
3301 |
|
3302 |
|
3303 |
|
3304 |
|
3305 |
|
3306 |
|
3307 |
|
3308 |
|
3309 |
|
3310 |
|
3311 |
|
3312 |
|
3313 |
|
3314 |
|
3315 |
|
3316 |
|
3317 |
|
3318 |
|
3319 |
|
3320 |
|
3321 |
|
3322 | function inflate(input, options) {
|
3323 | var inflator = new Inflate(options);
|
3324 |
|
3325 | inflator.push(input, true);
|
3326 |
|
3327 |
|
3328 | if (inflator.err) { throw inflator.msg; }
|
3329 |
|
3330 | return inflator.result;
|
3331 | }
|
3332 |
|
3333 |
|
3334 |
|
3335 |
|
3336 |
|
3337 |
|
3338 |
|
3339 |
|
3340 |
|
3341 |
|
3342 | function inflateRaw(input, options) {
|
3343 | options = options || {};
|
3344 | options.raw = true;
|
3345 | return inflate(input, options);
|
3346 | }
|
3347 |
|
3348 |
|
3349 |
|
3350 |
|
3351 |
|
3352 |
|
3353 |
|
3354 |
|
3355 |
|
3356 |
|
3357 |
|
3358 |
|
3359 | exports.Inflate = Inflate;
|
3360 | exports.inflate = inflate;
|
3361 | exports.inflateRaw = inflateRaw;
|
3362 | exports.ungzip = inflate;
|
3363 |
|
3364 | },{"./utils/common":27,"./utils/strings":28,"./zlib/constants":30,"./zlib/gzheader":33,"./zlib/inflate.js":35,"./zlib/messages":37,"./zlib/zstream":39}],27:[function(_dereq_,module,exports){
|
3365 | 'use strict';
|
3366 |
|
3367 |
|
3368 | var TYPED_OK = (typeof Uint8Array !== 'undefined') &&
|
3369 | (typeof Uint16Array !== 'undefined') &&
|
3370 | (typeof Int32Array !== 'undefined');
|
3371 |
|
3372 |
|
3373 | exports.assign = function (obj /*from1, from2, from3, ...*/) {
|
3374 | var sources = Array.prototype.slice.call(arguments, 1);
|
3375 | while (sources.length) {
|
3376 | var source = sources.shift();
|
3377 | if (!source) { continue; }
|
3378 |
|
3379 | if (typeof(source) !== 'object') {
|
3380 | throw new TypeError(source + 'must be non-object');
|
3381 | }
|
3382 |
|
3383 | for (var p in source) {
|
3384 | if (source.hasOwnProperty(p)) {
|
3385 | obj[p] = source[p];
|
3386 | }
|
3387 | }
|
3388 | }
|
3389 |
|
3390 | return obj;
|
3391 | };
|
3392 |
|
3393 |
|
3394 |
|
3395 | exports.shrinkBuf = function (buf, size) {
|
3396 | if (buf.length === size) { return buf; }
|
3397 | if (buf.subarray) { return buf.subarray(0, size); }
|
3398 | buf.length = size;
|
3399 | return buf;
|
3400 | };
|
3401 |
|
3402 |
|
3403 | var fnTyped = {
|
3404 | arraySet: function (dest, src, src_offs, len, dest_offs) {
|
3405 | if (src.subarray && dest.subarray) {
|
3406 | dest.set(src.subarray(src_offs, src_offs+len), dest_offs);
|
3407 | return;
|
3408 | }
|
3409 |
|
3410 | for(var i=0; i<len; i++) {
|
3411 | dest[dest_offs + i] = src[src_offs + i];
|
3412 | }
|
3413 | },
|
3414 |
|
3415 | flattenChunks: function(chunks) {
|
3416 | var i, l, len, pos, chunk, result;
|
3417 |
|
3418 |
|
3419 | len = 0;
|
3420 | for (i=0, l=chunks.length; i<l; i++) {
|
3421 | len += chunks[i].length;
|
3422 | }
|
3423 |
|
3424 |
|
3425 | result = new Uint8Array(len);
|
3426 | pos = 0;
|
3427 | for (i=0, l=chunks.length; i<l; i++) {
|
3428 | chunk = chunks[i];
|
3429 | result.set(chunk, pos);
|
3430 | pos += chunk.length;
|
3431 | }
|
3432 |
|
3433 | return result;
|
3434 | }
|
3435 | };
|
3436 |
|
3437 | var fnUntyped = {
|
3438 | arraySet: function (dest, src, src_offs, len, dest_offs) {
|
3439 | for(var i=0; i<len; i++) {
|
3440 | dest[dest_offs + i] = src[src_offs + i];
|
3441 | }
|
3442 | },
|
3443 |
|
3444 | flattenChunks: function(chunks) {
|
3445 | return [].concat.apply([], chunks);
|
3446 | }
|
3447 | };
|
3448 |
|
3449 |
|
3450 |
|
3451 |
|
3452 | exports.setTyped = function (on) {
|
3453 | if (on) {
|
3454 | exports.Buf8 = Uint8Array;
|
3455 | exports.Buf16 = Uint16Array;
|
3456 | exports.Buf32 = Int32Array;
|
3457 | exports.assign(exports, fnTyped);
|
3458 | } else {
|
3459 | exports.Buf8 = Array;
|
3460 | exports.Buf16 = Array;
|
3461 | exports.Buf32 = Array;
|
3462 | exports.assign(exports, fnUntyped);
|
3463 | }
|
3464 | };
|
3465 |
|
3466 | exports.setTyped(TYPED_OK);
|
3467 | },{}],28:[function(_dereq_,module,exports){
|
3468 |
|
3469 | 'use strict';
|
3470 |
|
3471 |
|
3472 | var utils = _dereq_('./common');
|
3473 |
|
3474 |
|
3475 |
|
3476 |
|
3477 |
|
3478 |
|
3479 |
|
3480 | var STR_APPLY_OK = true;
|
3481 | var STR_APPLY_UIA_OK = true;
|
3482 |
|
3483 | try { String.fromCharCode.apply(null, [0]); } catch(__) { STR_APPLY_OK = false; }
|
3484 | try { String.fromCharCode.apply(null, new Uint8Array(1)); } catch(__) { STR_APPLY_UIA_OK = false; }
|
3485 |
|
3486 |
|
3487 |
|
3488 |
|
3489 |
|
3490 | var _utf8len = new utils.Buf8(256);
|
3491 | for (var i=0; i<256; i++) {
|
3492 | _utf8len[i] = (i >= 252 ? 6 : i >= 248 ? 5 : i >= 240 ? 4 : i >= 224 ? 3 : i >= 192 ? 2 : 1);
|
3493 | }
|
3494 | _utf8len[254]=_utf8len[254]=1;
|
3495 |
|
3496 |
|
3497 |
|
3498 | exports.string2buf = function (str) {
|
3499 | var buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
|
3500 |
|
3501 |
|
3502 | for (m_pos = 0; m_pos < str_len; m_pos++) {
|
3503 | c = str.charCodeAt(m_pos);
|
3504 | if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
|
3505 | c2 = str.charCodeAt(m_pos+1);
|
3506 | if ((c2 & 0xfc00) === 0xdc00) {
|
3507 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
3508 | m_pos++;
|
3509 | }
|
3510 | }
|
3511 | buf_len += c < 0x80 ? 1 : c < 0x800 ? 2 : c < 0x10000 ? 3 : 4;
|
3512 | }
|
3513 |
|
3514 |
|
3515 | buf = new utils.Buf8(buf_len);
|
3516 |
|
3517 |
|
3518 | for (i=0, m_pos = 0; i < buf_len; m_pos++) {
|
3519 | c = str.charCodeAt(m_pos);
|
3520 | if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
|
3521 | c2 = str.charCodeAt(m_pos+1);
|
3522 | if ((c2 & 0xfc00) === 0xdc00) {
|
3523 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
3524 | m_pos++;
|
3525 | }
|
3526 | }
|
3527 | if (c < 0x80) {
|
3528 |
|
3529 | buf[i++] = c;
|
3530 | } else if (c < 0x800) {
|
3531 |
|
3532 | buf[i++] = 0xC0 | (c >>> 6);
|
3533 | buf[i++] = 0x80 | (c & 0x3f);
|
3534 | } else if (c < 0x10000) {
|
3535 |
|
3536 | buf[i++] = 0xE0 | (c >>> 12);
|
3537 | buf[i++] = 0x80 | (c >>> 6 & 0x3f);
|
3538 | buf[i++] = 0x80 | (c & 0x3f);
|
3539 | } else {
|
3540 |
|
3541 | buf[i++] = 0xf0 | (c >>> 18);
|
3542 | buf[i++] = 0x80 | (c >>> 12 & 0x3f);
|
3543 | buf[i++] = 0x80 | (c >>> 6 & 0x3f);
|
3544 | buf[i++] = 0x80 | (c & 0x3f);
|
3545 | }
|
3546 | }
|
3547 |
|
3548 | return buf;
|
3549 | };
|
3550 |
|
3551 |
|
3552 | function buf2binstring(buf, len) {
|
3553 |
|
3554 | if (len < 65537) {
|
3555 | if ((buf.subarray && STR_APPLY_UIA_OK) || (!buf.subarray && STR_APPLY_OK)) {
|
3556 | return String.fromCharCode.apply(null, utils.shrinkBuf(buf, len));
|
3557 | }
|
3558 | }
|
3559 |
|
3560 | var result = '';
|
3561 | for(var i=0; i < len; i++) {
|
3562 | result += String.fromCharCode(buf[i]);
|
3563 | }
|
3564 | return result;
|
3565 | }
|
3566 |
|
3567 |
|
3568 |
|
3569 | exports.buf2binstring = function(buf) {
|
3570 | return buf2binstring(buf, buf.length);
|
3571 | };
|
3572 |
|
3573 |
|
3574 |
|
3575 | exports.binstring2buf = function(str) {
|
3576 | var buf = new utils.Buf8(str.length);
|
3577 | for(var i=0, len=buf.length; i < len; i++) {
|
3578 | buf[i] = str.charCodeAt(i);
|
3579 | }
|
3580 | return buf;
|
3581 | };
|
3582 |
|
3583 |
|
3584 |
|
3585 | exports.buf2string = function (buf, max) {
|
3586 | var i, out, c, c_len;
|
3587 | var len = max || buf.length;
|
3588 |
|
3589 |
|
3590 |
|
3591 |
|
3592 | var utf16buf = new Array(len*2);
|
3593 |
|
3594 | for (out=0, i=0; i<len;) {
|
3595 | c = buf[i++];
|
3596 |
|
3597 | if (c < 0x80) { utf16buf[out++] = c; continue; }
|
3598 |
|
3599 | c_len = _utf8len[c];
|
3600 |
|
3601 | if (c_len > 4) { utf16buf[out++] = 0xfffd; i += c_len-1; continue; }
|
3602 |
|
3603 |
|
3604 | c &= c_len === 2 ? 0x1f : c_len === 3 ? 0x0f : 0x07;
|
3605 |
|
3606 | while (c_len > 1 && i < len) {
|
3607 | c = (c << 6) | (buf[i++] & 0x3f);
|
3608 | c_len--;
|
3609 | }
|
3610 |
|
3611 |
|
3612 | if (c_len > 1) { utf16buf[out++] = 0xfffd; continue; }
|
3613 |
|
3614 | if (c < 0x10000) {
|
3615 | utf16buf[out++] = c;
|
3616 | } else {
|
3617 | c -= 0x10000;
|
3618 | utf16buf[out++] = 0xd800 | ((c >> 10) & 0x3ff);
|
3619 | utf16buf[out++] = 0xdc00 | (c & 0x3ff);
|
3620 | }
|
3621 | }
|
3622 |
|
3623 | return buf2binstring(utf16buf, out);
|
3624 | };
|
3625 |
|
3626 |
|
3627 |
|
3628 |
|
3629 |
|
3630 |
|
3631 |
|
3632 |
|
3633 | exports.utf8border = function(buf, max) {
|
3634 | var pos;
|
3635 |
|
3636 | max = max || buf.length;
|
3637 | if (max > buf.length) { max = buf.length; }
|
3638 |
|
3639 |
|
3640 | pos = max-1;
|
3641 | while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; }
|
3642 |
|
3643 |
|
3644 |
|
3645 | if (pos < 0) { return max; }
|
3646 |
|
3647 |
|
3648 |
|
3649 | if (pos === 0) { return max; }
|
3650 |
|
3651 | return (pos + _utf8len[buf[pos]] > max) ? pos : max;
|
3652 | };
|
3653 |
|
3654 | },{"./common":27}],29:[function(_dereq_,module,exports){
|
3655 | 'use strict';
|
3656 |
|
3657 |
|
3658 |
|
3659 |
|
3660 |
|
3661 | function adler32(adler, buf, len, pos) {
|
3662 | var s1 = (adler & 0xffff) |0
|
3663 | , s2 = ((adler >>> 16) & 0xffff) |0
|
3664 | , n = 0;
|
3665 |
|
3666 | while (len !== 0) {
|
3667 |
|
3668 |
|
3669 |
|
3670 | n = len > 2000 ? 2000 : len;
|
3671 | len -= n;
|
3672 |
|
3673 | do {
|
3674 | s1 = (s1 + buf[pos++]) |0;
|
3675 | s2 = (s2 + s1) |0;
|
3676 | } while (--n);
|
3677 |
|
3678 | s1 %= 65521;
|
3679 | s2 %= 65521;
|
3680 | }
|
3681 |
|
3682 | return (s1 | (s2 << 16)) |0;
|
3683 | }
|
3684 |
|
3685 |
|
3686 | module.exports = adler32;
|
3687 | },{}],30:[function(_dereq_,module,exports){
|
3688 | module.exports = {
|
3689 |
|
3690 |
|
3691 | Z_NO_FLUSH: 0,
|
3692 | Z_PARTIAL_FLUSH: 1,
|
3693 | Z_SYNC_FLUSH: 2,
|
3694 | Z_FULL_FLUSH: 3,
|
3695 | Z_FINISH: 4,
|
3696 | Z_BLOCK: 5,
|
3697 | Z_TREES: 6,
|
3698 |
|
3699 | |
3700 |
|
3701 |
|
3702 | Z_OK: 0,
|
3703 | Z_STREAM_END: 1,
|
3704 | Z_NEED_DICT: 2,
|
3705 | Z_ERRNO: -1,
|
3706 | Z_STREAM_ERROR: -2,
|
3707 | Z_DATA_ERROR: -3,
|
3708 |
|
3709 | Z_BUF_ERROR: -5,
|
3710 |
|
3711 |
|
3712 |
|
3713 | Z_NO_COMPRESSION: 0,
|
3714 | Z_BEST_SPEED: 1,
|
3715 | Z_BEST_COMPRESSION: 9,
|
3716 | Z_DEFAULT_COMPRESSION: -1,
|
3717 |
|
3718 |
|
3719 | Z_FILTERED: 1,
|
3720 | Z_HUFFMAN_ONLY: 2,
|
3721 | Z_RLE: 3,
|
3722 | Z_FIXED: 4,
|
3723 | Z_DEFAULT_STRATEGY: 0,
|
3724 |
|
3725 |
|
3726 | Z_BINARY: 0,
|
3727 | Z_TEXT: 1,
|
3728 |
|
3729 | Z_UNKNOWN: 2,
|
3730 |
|
3731 |
|
3732 | Z_DEFLATED: 8
|
3733 |
|
3734 | };
|
3735 | },{}],31:[function(_dereq_,module,exports){
|
3736 | 'use strict';
|
3737 |
|
3738 |
|
3739 |
|
3740 |
|
3741 |
|
3742 |
|
3743 |
|
3744 | function makeTable() {
|
3745 | var c, table = [];
|
3746 |
|
3747 | for(var n =0; n < 256; n++){
|
3748 | c = n;
|
3749 | for(var k =0; k < 8; k++){
|
3750 | c = ((c&1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
|
3751 | }
|
3752 | table[n] = c;
|
3753 | }
|
3754 |
|
3755 | return table;
|
3756 | }
|
3757 |
|
3758 |
|
3759 | var crcTable = makeTable();
|
3760 |
|
3761 |
|
3762 | function crc32(crc, buf, len, pos) {
|
3763 | var t = crcTable
|
3764 | , end = pos + len;
|
3765 |
|
3766 | crc = crc ^ (-1);
|
3767 |
|
3768 | for (var i = pos; i < end; i++ ) {
|
3769 | crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF];
|
3770 | }
|
3771 |
|
3772 | return (crc ^ (-1));
|
3773 | }
|
3774 |
|
3775 |
|
3776 | module.exports = crc32;
|
3777 | },{}],32:[function(_dereq_,module,exports){
|
3778 | 'use strict';
|
3779 |
|
3780 | var utils = _dereq_('../utils/common');
|
3781 | var trees = _dereq_('./trees');
|
3782 | var adler32 = _dereq_('./adler32');
|
3783 | var crc32 = _dereq_('./crc32');
|
3784 | var msg = _dereq_('./messages');
|
3785 |
|
3786 |
|
3787 |
|
3788 |
|
3789 |
|
3790 |
|
3791 | var Z_NO_FLUSH = 0;
|
3792 | var Z_PARTIAL_FLUSH = 1;
|
3793 |
|
3794 | var Z_FULL_FLUSH = 3;
|
3795 | var Z_FINISH = 4;
|
3796 | var Z_BLOCK = 5;
|
3797 |
|
3798 |
|
3799 |
|
3800 |
|
3801 |
|
3802 |
|
3803 | var Z_OK = 0;
|
3804 | var Z_STREAM_END = 1;
|
3805 |
|
3806 |
|
3807 | var Z_STREAM_ERROR = -2;
|
3808 | var Z_DATA_ERROR = -3;
|
3809 |
|
3810 | var Z_BUF_ERROR = -5;
|
3811 |
|
3812 |
|
3813 |
|
3814 |
|
3815 |
|
3816 |
|
3817 |
|
3818 | var Z_DEFAULT_COMPRESSION = -1;
|
3819 |
|
3820 |
|
3821 | var Z_FILTERED = 1;
|
3822 | var Z_HUFFMAN_ONLY = 2;
|
3823 | var Z_RLE = 3;
|
3824 | var Z_FIXED = 4;
|
3825 | var Z_DEFAULT_STRATEGY = 0;
|
3826 |
|
3827 |
|
3828 |
|
3829 |
|
3830 |
|
3831 | var Z_UNKNOWN = 2;
|
3832 |
|
3833 |
|
3834 |
|
3835 | var Z_DEFLATED = 8;
|
3836 |
|
3837 |
|
3838 |
|
3839 |
|
3840 | var MAX_MEM_LEVEL = 9;
|
3841 |
|
3842 | var MAX_WBITS = 15;
|
3843 |
|
3844 | var DEF_MEM_LEVEL = 8;
|
3845 |
|
3846 |
|
3847 | var LENGTH_CODES = 29;
|
3848 |
|
3849 | var LITERALS = 256;
|
3850 |
|
3851 | var L_CODES = LITERALS + 1 + LENGTH_CODES;
|
3852 |
|
3853 | var D_CODES = 30;
|
3854 |
|
3855 | var BL_CODES = 19;
|
3856 |
|
3857 | var HEAP_SIZE = 2*L_CODES + 1;
|
3858 |
|
3859 | var MAX_BITS = 15;
|
3860 |
|
3861 |
|
3862 | var MIN_MATCH = 3;
|
3863 | var MAX_MATCH = 258;
|
3864 | var MIN_LOOKAHEAD = (MAX_MATCH + MIN_MATCH + 1);
|
3865 |
|
3866 | var PRESET_DICT = 0x20;
|
3867 |
|
3868 | var INIT_STATE = 42;
|
3869 | var EXTRA_STATE = 69;
|
3870 | var NAME_STATE = 73;
|
3871 | var COMMENT_STATE = 91;
|
3872 | var HCRC_STATE = 103;
|
3873 | var BUSY_STATE = 113;
|
3874 | var FINISH_STATE = 666;
|
3875 |
|
3876 | var BS_NEED_MORE = 1;
|
3877 | var BS_BLOCK_DONE = 2;
|
3878 | var BS_FINISH_STARTED = 3;
|
3879 | var BS_FINISH_DONE = 4;
|
3880 |
|
3881 | var OS_CODE = 0x03;
|
3882 |
|
3883 | function err(strm, errorCode) {
|
3884 | strm.msg = msg[errorCode];
|
3885 | return errorCode;
|
3886 | }
|
3887 |
|
3888 | function rank(f) {
|
3889 | return ((f) << 1) - ((f) > 4 ? 9 : 0);
|
3890 | }
|
3891 |
|
3892 | function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
|
3893 |
|
3894 |
|
3895 |
|
3896 |
|
3897 |
|
3898 |
|
3899 |
|
3900 |
|
3901 | function flush_pending(strm) {
|
3902 | var s = strm.state;
|
3903 |
|
3904 |
|
3905 | var len = s.pending;
|
3906 | if (len > strm.avail_out) {
|
3907 | len = strm.avail_out;
|
3908 | }
|
3909 | if (len === 0) { return; }
|
3910 |
|
3911 | utils.arraySet(strm.output, s.pending_buf, s.pending_out, len, strm.next_out);
|
3912 | strm.next_out += len;
|
3913 | s.pending_out += len;
|
3914 | strm.total_out += len;
|
3915 | strm.avail_out -= len;
|
3916 | s.pending -= len;
|
3917 | if (s.pending === 0) {
|
3918 | s.pending_out = 0;
|
3919 | }
|
3920 | }
|
3921 |
|
3922 |
|
3923 | function flush_block_only (s, last) {
|
3924 | trees._tr_flush_block(s, (s.block_start >= 0 ? s.block_start : -1), s.strstart - s.block_start, last);
|
3925 | s.block_start = s.strstart;
|
3926 | flush_pending(s.strm);
|
3927 | }
|
3928 |
|
3929 |
|
3930 | function put_byte(s, b) {
|
3931 | s.pending_buf[s.pending++] = b;
|
3932 | }
|
3933 |
|
3934 |
|
3935 |
|
3936 |
|
3937 |
|
3938 |
|
3939 |
|
3940 | function putShortMSB(s, b) {
|
3941 |
|
3942 |
|
3943 | s.pending_buf[s.pending++] = (b >>> 8) & 0xff;
|
3944 | s.pending_buf[s.pending++] = b & 0xff;
|
3945 | }
|
3946 |
|
3947 |
|
3948 |
|
3949 |
|
3950 |
|
3951 |
|
3952 |
|
3953 |
|
3954 |
|
3955 | function read_buf(strm, buf, start, size) {
|
3956 | var len = strm.avail_in;
|
3957 |
|
3958 | if (len > size) { len = size; }
|
3959 | if (len === 0) { return 0; }
|
3960 |
|
3961 | strm.avail_in -= len;
|
3962 |
|
3963 | utils.arraySet(buf, strm.input, strm.next_in, len, start);
|
3964 | if (strm.state.wrap === 1) {
|
3965 | strm.adler = adler32(strm.adler, buf, len, start);
|
3966 | }
|
3967 |
|
3968 | else if (strm.state.wrap === 2) {
|
3969 | strm.adler = crc32(strm.adler, buf, len, start);
|
3970 | }
|
3971 |
|
3972 | strm.next_in += len;
|
3973 | strm.total_in += len;
|
3974 |
|
3975 | return len;
|
3976 | }
|
3977 |
|
3978 |
|
3979 |
|
3980 |
|
3981 |
|
3982 |
|
3983 |
|
3984 |
|
3985 |
|
3986 |
|
3987 |
|
3988 | function longest_match(s, cur_match) {
|
3989 | var chain_length = s.max_chain_length;
|
3990 | var scan = s.strstart;
|
3991 | var match;
|
3992 | var len;
|
3993 | var best_len = s.prev_length;
|
3994 | var nice_match = s.nice_match;
|
3995 | var limit = (s.strstart > (s.w_size - MIN_LOOKAHEAD)) ?
|
3996 | s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0;
|
3997 |
|
3998 | var _win = s.window;
|
3999 |
|
4000 | var wmask = s.w_mask;
|
4001 | var prev = s.prev;
|
4002 |
|
4003 | |
4004 |
|
4005 |
|
4006 |
|
4007 | var strend = s.strstart + MAX_MATCH;
|
4008 | var scan_end1 = _win[scan + best_len - 1];
|
4009 | var scan_end = _win[scan + best_len];
|
4010 |
|
4011 | |
4012 |
|
4013 |
|
4014 |
|
4015 |
|
4016 |
|
4017 | if (s.prev_length >= s.good_match) {
|
4018 | chain_length >>= 2;
|
4019 | }
|
4020 | |
4021 |
|
4022 |
|
4023 | if (nice_match > s.lookahead) { nice_match = s.lookahead; }
|
4024 |
|
4025 |
|
4026 |
|
4027 | do {
|
4028 |
|
4029 | match = cur_match;
|
4030 |
|
4031 | |
4032 |
|
4033 |
|
4034 |
|
4035 |
|
4036 |
|
4037 |
|
4038 |
|
4039 |
|
4040 | if (_win[match + best_len] !== scan_end ||
|
4041 | _win[match + best_len - 1] !== scan_end1 ||
|
4042 | _win[match] !== _win[scan] ||
|
4043 | _win[++match] !== _win[scan + 1]) {
|
4044 | continue;
|
4045 | }
|
4046 |
|
4047 | |
4048 |
|
4049 |
|
4050 |
|
4051 |
|
4052 |
|
4053 | scan += 2;
|
4054 | match++;
|
4055 |
|
4056 |
|
4057 | |
4058 |
|
4059 |
|
4060 | do {
|
4061 |
|
4062 | } while (_win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4063 | _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4064 | _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4065 | _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4066 | scan < strend);
|
4067 |
|
4068 |
|
4069 |
|
4070 | len = MAX_MATCH - (strend - scan);
|
4071 | scan = strend - MAX_MATCH;
|
4072 |
|
4073 | if (len > best_len) {
|
4074 | s.match_start = cur_match;
|
4075 | best_len = len;
|
4076 | if (len >= nice_match) {
|
4077 | break;
|
4078 | }
|
4079 | scan_end1 = _win[scan + best_len - 1];
|
4080 | scan_end = _win[scan + best_len];
|
4081 | }
|
4082 | } while ((cur_match = prev[cur_match & wmask]) > limit && --chain_length !== 0);
|
4083 |
|
4084 | if (best_len <= s.lookahead) {
|
4085 | return best_len;
|
4086 | }
|
4087 | return s.lookahead;
|
4088 | }
|
4089 |
|
4090 |
|
4091 |
|
4092 |
|
4093 |
|
4094 |
|
4095 |
|
4096 |
|
4097 |
|
4098 |
|
4099 |
|
4100 |
|
4101 | function fill_window(s) {
|
4102 | var _w_size = s.w_size;
|
4103 | var p, n, m, more, str;
|
4104 |
|
4105 |
|
4106 |
|
4107 | do {
|
4108 | more = s.window_size - s.lookahead - s.strstart;
|
4109 |
|
4110 |
|
4111 |
|
4112 |
|
4113 |
|
4114 |
|
4115 |
|
4116 |
|
4117 |
|
4118 |
|
4119 |
|
4120 |
|
4121 |
|
4122 |
|
4123 |
|
4124 |
|
4125 | |
4126 |
|
4127 |
|
4128 | if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) {
|
4129 |
|
4130 | utils.arraySet(s.window, s.window, _w_size, _w_size, 0);
|
4131 | s.match_start -= _w_size;
|
4132 | s.strstart -= _w_size;
|
4133 |
|
4134 | s.block_start -= _w_size;
|
4135 |
|
4136 | |
4137 |
|
4138 |
|
4139 |
|
4140 |
|
4141 |
|
4142 |
|
4143 | n = s.hash_size;
|
4144 | p = n;
|
4145 | do {
|
4146 | m = s.head[--p];
|
4147 | s.head[p] = (m >= _w_size ? m - _w_size : 0);
|
4148 | } while (--n);
|
4149 |
|
4150 | n = _w_size;
|
4151 | p = n;
|
4152 | do {
|
4153 | m = s.prev[--p];
|
4154 | s.prev[p] = (m >= _w_size ? m - _w_size : 0);
|
4155 | |
4156 |
|
4157 |
|
4158 | } while (--n);
|
4159 |
|
4160 | more += _w_size;
|
4161 | }
|
4162 | if (s.strm.avail_in === 0) {
|
4163 | break;
|
4164 | }
|
4165 |
|
4166 | |
4167 |
|
4168 |
|
4169 |
|
4170 |
|
4171 |
|
4172 |
|
4173 |
|
4174 |
|
4175 |
|
4176 |
|
4177 |
|
4178 | n = read_buf(s.strm, s.window, s.strstart + s.lookahead, more);
|
4179 | s.lookahead += n;
|
4180 |
|
4181 |
|
4182 | if (s.lookahead + s.insert >= MIN_MATCH) {
|
4183 | str = s.strstart - s.insert;
|
4184 | s.ins_h = s.window[str];
|
4185 |
|
4186 |
|
4187 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + 1]) & s.hash_mask;
|
4188 |
|
4189 |
|
4190 |
|
4191 | while (s.insert) {
|
4192 |
|
4193 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH-1]) & s.hash_mask;
|
4194 |
|
4195 | s.prev[str & s.w_mask] = s.head[s.ins_h];
|
4196 | s.head[s.ins_h] = str;
|
4197 | str++;
|
4198 | s.insert--;
|
4199 | if (s.lookahead + s.insert < MIN_MATCH) {
|
4200 | break;
|
4201 | }
|
4202 | }
|
4203 | }
|
4204 | |
4205 |
|
4206 |
|
4207 |
|
4208 | } while (s.lookahead < MIN_LOOKAHEAD && s.strm.avail_in !== 0);
|
4209 |
|
4210 | |
4211 |
|
4212 |
|
4213 |
|
4214 |
|
4215 |
|
4216 |
|
4217 |
|
4218 |
|
4219 |
|
4220 |
|
4221 |
|
4222 |
|
4223 |
|
4224 |
|
4225 |
|
4226 |
|
4227 |
|
4228 |
|
4229 |
|
4230 |
|
4231 |
|
4232 |
|
4233 |
|
4234 |
|
4235 |
|
4236 |
|
4237 |
|
4238 |
|
4239 |
|
4240 |
|
4241 |
|
4242 |
|
4243 |
|
4244 |
|
4245 |
|
4246 | }
|
4247 |
|
4248 |
|
4249 |
|
4250 |
|
4251 |
|
4252 |
|
4253 |
|
4254 |
|
4255 |
|
4256 |
|
4257 | function deflate_stored(s, flush) {
|
4258 | |
4259 |
|
4260 |
|
4261 | var max_block_size = 0xffff;
|
4262 |
|
4263 | if (max_block_size > s.pending_buf_size - 5) {
|
4264 | max_block_size = s.pending_buf_size - 5;
|
4265 | }
|
4266 |
|
4267 |
|
4268 | for (;;) {
|
4269 |
|
4270 | if (s.lookahead <= 1) {
|
4271 |
|
4272 |
|
4273 |
|
4274 |
|
4275 |
|
4276 |
|
4277 |
|
4278 |
|
4279 | fill_window(s);
|
4280 | if (s.lookahead === 0 && flush === Z_NO_FLUSH) {
|
4281 | return BS_NEED_MORE;
|
4282 | }
|
4283 |
|
4284 | if (s.lookahead === 0) {
|
4285 | break;
|
4286 | }
|
4287 |
|
4288 | }
|
4289 |
|
4290 |
|
4291 |
|
4292 | s.strstart += s.lookahead;
|
4293 | s.lookahead = 0;
|
4294 |
|
4295 |
|
4296 | var max_start = s.block_start + max_block_size;
|
4297 |
|
4298 | if (s.strstart === 0 || s.strstart >= max_start) {
|
4299 |
|
4300 | s.lookahead = s.strstart - max_start;
|
4301 | s.strstart = max_start;
|
4302 |
|
4303 | flush_block_only(s, false);
|
4304 | if (s.strm.avail_out === 0) {
|
4305 | return BS_NEED_MORE;
|
4306 | }
|
4307 |
|
4308 |
|
4309 |
|
4310 | }
|
4311 | |
4312 |
|
4313 |
|
4314 | if (s.strstart - s.block_start >= (s.w_size - MIN_LOOKAHEAD)) {
|
4315 |
|
4316 | flush_block_only(s, false);
|
4317 | if (s.strm.avail_out === 0) {
|
4318 | return BS_NEED_MORE;
|
4319 | }
|
4320 |
|
4321 | }
|
4322 | }
|
4323 |
|
4324 | s.insert = 0;
|
4325 |
|
4326 | if (flush === Z_FINISH) {
|
4327 |
|
4328 | flush_block_only(s, true);
|
4329 | if (s.strm.avail_out === 0) {
|
4330 | return BS_FINISH_STARTED;
|
4331 | }
|
4332 |
|
4333 | return BS_FINISH_DONE;
|
4334 | }
|
4335 |
|
4336 | if (s.strstart > s.block_start) {
|
4337 |
|
4338 | flush_block_only(s, false);
|
4339 | if (s.strm.avail_out === 0) {
|
4340 | return BS_NEED_MORE;
|
4341 | }
|
4342 |
|
4343 | }
|
4344 |
|
4345 | return BS_NEED_MORE;
|
4346 | }
|
4347 |
|
4348 |
|
4349 |
|
4350 |
|
4351 |
|
4352 |
|
4353 |
|
4354 |
|
4355 | function deflate_fast(s, flush) {
|
4356 | var hash_head;
|
4357 | var bflush;
|
4358 |
|
4359 | for (;;) {
|
4360 | |
4361 |
|
4362 |
|
4363 |
|
4364 |
|
4365 | if (s.lookahead < MIN_LOOKAHEAD) {
|
4366 | fill_window(s);
|
4367 | if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
|
4368 | return BS_NEED_MORE;
|
4369 | }
|
4370 | if (s.lookahead === 0) {
|
4371 | break;
|
4372 | }
|
4373 | }
|
4374 |
|
4375 | |
4376 |
|
4377 |
|
4378 | hash_head = 0;
|
4379 | if (s.lookahead >= MIN_MATCH) {
|
4380 |
|
4381 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4382 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4383 | s.head[s.ins_h] = s.strstart;
|
4384 |
|
4385 | }
|
4386 |
|
4387 | |
4388 |
|
4389 |
|
4390 | if (hash_head !== 0 && ((s.strstart - hash_head) <= (s.w_size - MIN_LOOKAHEAD))) {
|
4391 | |
4392 |
|
4393 |
|
4394 |
|
4395 | s.match_length = longest_match(s, hash_head);
|
4396 |
|
4397 | }
|
4398 | if (s.match_length >= MIN_MATCH) {
|
4399 |
|
4400 |
|
4401 | |
4402 |
|
4403 | bflush = trees._tr_tally(s, s.strstart - s.match_start, s.match_length - MIN_MATCH);
|
4404 |
|
4405 | s.lookahead -= s.match_length;
|
4406 |
|
4407 | |
4408 |
|
4409 |
|
4410 | if (s.match_length <= s.max_lazy_match && s.lookahead >= MIN_MATCH) {
|
4411 | s.match_length--;
|
4412 | do {
|
4413 | s.strstart++;
|
4414 |
|
4415 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4416 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4417 | s.head[s.ins_h] = s.strstart;
|
4418 |
|
4419 | |
4420 |
|
4421 |
|
4422 | } while (--s.match_length !== 0);
|
4423 | s.strstart++;
|
4424 | } else
|
4425 | {
|
4426 | s.strstart += s.match_length;
|
4427 | s.match_length = 0;
|
4428 | s.ins_h = s.window[s.strstart];
|
4429 |
|
4430 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + 1]) & s.hash_mask;
|
4431 |
|
4432 |
|
4433 |
|
4434 |
|
4435 | |
4436 |
|
4437 |
|
4438 | }
|
4439 | } else {
|
4440 |
|
4441 |
|
4442 |
|
4443 | bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
|
4444 |
|
4445 | s.lookahead--;
|
4446 | s.strstart++;
|
4447 | }
|
4448 | if (bflush) {
|
4449 |
|
4450 | flush_block_only(s, false);
|
4451 | if (s.strm.avail_out === 0) {
|
4452 | return BS_NEED_MORE;
|
4453 | }
|
4454 |
|
4455 | }
|
4456 | }
|
4457 | s.insert = ((s.strstart < (MIN_MATCH-1)) ? s.strstart : MIN_MATCH-1);
|
4458 | if (flush === Z_FINISH) {
|
4459 |
|
4460 | flush_block_only(s, true);
|
4461 | if (s.strm.avail_out === 0) {
|
4462 | return BS_FINISH_STARTED;
|
4463 | }
|
4464 |
|
4465 | return BS_FINISH_DONE;
|
4466 | }
|
4467 | if (s.last_lit) {
|
4468 |
|
4469 | flush_block_only(s, false);
|
4470 | if (s.strm.avail_out === 0) {
|
4471 | return BS_NEED_MORE;
|
4472 | }
|
4473 |
|
4474 | }
|
4475 | return BS_BLOCK_DONE;
|
4476 | }
|
4477 |
|
4478 |
|
4479 |
|
4480 |
|
4481 |
|
4482 |
|
4483 | function deflate_slow(s, flush) {
|
4484 | var hash_head;
|
4485 | var bflush;
|
4486 |
|
4487 | var max_insert;
|
4488 |
|
4489 |
|
4490 | for (;;) {
|
4491 | |
4492 |
|
4493 |
|
4494 |
|
4495 |
|
4496 | if (s.lookahead < MIN_LOOKAHEAD) {
|
4497 | fill_window(s);
|
4498 | if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
|
4499 | return BS_NEED_MORE;
|
4500 | }
|
4501 | if (s.lookahead === 0) { break; }
|
4502 | }
|
4503 |
|
4504 | |
4505 |
|
4506 |
|
4507 | hash_head = 0;
|
4508 | if (s.lookahead >= MIN_MATCH) {
|
4509 |
|
4510 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4511 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4512 | s.head[s.ins_h] = s.strstart;
|
4513 |
|
4514 | }
|
4515 |
|
4516 | |
4517 |
|
4518 | s.prev_length = s.match_length;
|
4519 | s.prev_match = s.match_start;
|
4520 | s.match_length = MIN_MATCH-1;
|
4521 |
|
4522 | if (hash_head !== 0 && s.prev_length < s.max_lazy_match &&
|
4523 | s.strstart - hash_head <= (s.w_size-MIN_LOOKAHEAD)) {
|
4524 | |
4525 |
|
4526 |
|
4527 |
|
4528 | s.match_length = longest_match(s, hash_head);
|
4529 |
|
4530 |
|
4531 | if (s.match_length <= 5 &&
|
4532 | (s.strategy === Z_FILTERED || (s.match_length === MIN_MATCH && s.strstart - s.match_start > 4096))) {
|
4533 |
|
4534 | |
4535 |
|
4536 |
|
4537 | s.match_length = MIN_MATCH-1;
|
4538 | }
|
4539 | }
|
4540 | |
4541 |
|
4542 |
|
4543 | if (s.prev_length >= MIN_MATCH && s.match_length <= s.prev_length) {
|
4544 | max_insert = s.strstart + s.lookahead - MIN_MATCH;
|
4545 |
|
4546 |
|
4547 |
|
4548 |
|
4549 | |
4550 |
|
4551 | bflush = trees._tr_tally(s, s.strstart - 1- s.prev_match, s.prev_length - MIN_MATCH);
|
4552 | |
4553 |
|
4554 |
|
4555 |
|
4556 |
|
4557 | s.lookahead -= s.prev_length-1;
|
4558 | s.prev_length -= 2;
|
4559 | do {
|
4560 | if (++s.strstart <= max_insert) {
|
4561 |
|
4562 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4563 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4564 | s.head[s.ins_h] = s.strstart;
|
4565 |
|
4566 | }
|
4567 | } while (--s.prev_length !== 0);
|
4568 | s.match_available = 0;
|
4569 | s.match_length = MIN_MATCH-1;
|
4570 | s.strstart++;
|
4571 |
|
4572 | if (bflush) {
|
4573 |
|
4574 | flush_block_only(s, false);
|
4575 | if (s.strm.avail_out === 0) {
|
4576 | return BS_NEED_MORE;
|
4577 | }
|
4578 |
|
4579 | }
|
4580 |
|
4581 | } else if (s.match_available) {
|
4582 | |
4583 |
|
4584 |
|
4585 |
|
4586 |
|
4587 |
|
4588 | bflush = trees._tr_tally(s, 0, s.window[s.strstart-1]);
|
4589 |
|
4590 | if (bflush) {
|
4591 |
|
4592 | flush_block_only(s, false);
|
4593 |
|
4594 | }
|
4595 | s.strstart++;
|
4596 | s.lookahead--;
|
4597 | if (s.strm.avail_out === 0) {
|
4598 | return BS_NEED_MORE;
|
4599 | }
|
4600 | } else {
|
4601 | |
4602 |
|
4603 |
|
4604 | s.match_available = 1;
|
4605 | s.strstart++;
|
4606 | s.lookahead--;
|
4607 | }
|
4608 | }
|
4609 |
|
4610 | if (s.match_available) {
|
4611 |
|
4612 |
|
4613 | bflush = trees._tr_tally(s, 0, s.window[s.strstart-1]);
|
4614 |
|
4615 | s.match_available = 0;
|
4616 | }
|
4617 | s.insert = s.strstart < MIN_MATCH-1 ? s.strstart : MIN_MATCH-1;
|
4618 | if (flush === Z_FINISH) {
|
4619 |
|
4620 | flush_block_only(s, true);
|
4621 | if (s.strm.avail_out === 0) {
|
4622 | return BS_FINISH_STARTED;
|
4623 | }
|
4624 |
|
4625 | return BS_FINISH_DONE;
|
4626 | }
|
4627 | if (s.last_lit) {
|
4628 |
|
4629 | flush_block_only(s, false);
|
4630 | if (s.strm.avail_out === 0) {
|
4631 | return BS_NEED_MORE;
|
4632 | }
|
4633 |
|
4634 | }
|
4635 |
|
4636 | return BS_BLOCK_DONE;
|
4637 | }
|
4638 |
|
4639 |
|
4640 |
|
4641 |
|
4642 |
|
4643 |
|
4644 |
|
4645 | function deflate_rle(s, flush) {
|
4646 | var bflush;
|
4647 | var prev;
|
4648 | var scan, strend;
|
4649 |
|
4650 | var _win = s.window;
|
4651 |
|
4652 | for (;;) {
|
4653 | |
4654 |
|
4655 |
|
4656 |
|
4657 | if (s.lookahead <= MAX_MATCH) {
|
4658 | fill_window(s);
|
4659 | if (s.lookahead <= MAX_MATCH && flush === Z_NO_FLUSH) {
|
4660 | return BS_NEED_MORE;
|
4661 | }
|
4662 | if (s.lookahead === 0) { break; }
|
4663 | }
|
4664 |
|
4665 |
|
4666 | s.match_length = 0;
|
4667 | if (s.lookahead >= MIN_MATCH && s.strstart > 0) {
|
4668 | scan = s.strstart - 1;
|
4669 | prev = _win[scan];
|
4670 | if (prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan]) {
|
4671 | strend = s.strstart + MAX_MATCH;
|
4672 | do {
|
4673 |
|
4674 | } while (prev === _win[++scan] && prev === _win[++scan] &&
|
4675 | prev === _win[++scan] && prev === _win[++scan] &&
|
4676 | prev === _win[++scan] && prev === _win[++scan] &&
|
4677 | prev === _win[++scan] && prev === _win[++scan] &&
|
4678 | scan < strend);
|
4679 | s.match_length = MAX_MATCH - (strend - scan);
|
4680 | if (s.match_length > s.lookahead) {
|
4681 | s.match_length = s.lookahead;
|
4682 | }
|
4683 | }
|
4684 |
|
4685 | }
|
4686 |
|
4687 |
|
4688 | if (s.match_length >= MIN_MATCH) {
|
4689 |
|
4690 |
|
4691 |
|
4692 | bflush = trees._tr_tally(s, 1, s.match_length - MIN_MATCH);
|
4693 |
|
4694 | s.lookahead -= s.match_length;
|
4695 | s.strstart += s.match_length;
|
4696 | s.match_length = 0;
|
4697 | } else {
|
4698 |
|
4699 |
|
4700 |
|
4701 | bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
|
4702 |
|
4703 | s.lookahead--;
|
4704 | s.strstart++;
|
4705 | }
|
4706 | if (bflush) {
|
4707 |
|
4708 | flush_block_only(s, false);
|
4709 | if (s.strm.avail_out === 0) {
|
4710 | return BS_NEED_MORE;
|
4711 | }
|
4712 |
|
4713 | }
|
4714 | }
|
4715 | s.insert = 0;
|
4716 | if (flush === Z_FINISH) {
|
4717 |
|
4718 | flush_block_only(s, true);
|
4719 | if (s.strm.avail_out === 0) {
|
4720 | return BS_FINISH_STARTED;
|
4721 | }
|
4722 |
|
4723 | return BS_FINISH_DONE;
|
4724 | }
|
4725 | if (s.last_lit) {
|
4726 |
|
4727 | flush_block_only(s, false);
|
4728 | if (s.strm.avail_out === 0) {
|
4729 | return BS_NEED_MORE;
|
4730 | }
|
4731 |
|
4732 | }
|
4733 | return BS_BLOCK_DONE;
|
4734 | }
|
4735 |
|
4736 |
|
4737 |
|
4738 |
|
4739 |
|
4740 | function deflate_huff(s, flush) {
|
4741 | var bflush;
|
4742 |
|
4743 | for (;;) {
|
4744 |
|
4745 | if (s.lookahead === 0) {
|
4746 | fill_window(s);
|
4747 | if (s.lookahead === 0) {
|
4748 | if (flush === Z_NO_FLUSH) {
|
4749 | return BS_NEED_MORE;
|
4750 | }
|
4751 | break;
|
4752 | }
|
4753 | }
|
4754 |
|
4755 |
|
4756 | s.match_length = 0;
|
4757 |
|
4758 |
|
4759 | bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
|
4760 | s.lookahead--;
|
4761 | s.strstart++;
|
4762 | if (bflush) {
|
4763 |
|
4764 | flush_block_only(s, false);
|
4765 | if (s.strm.avail_out === 0) {
|
4766 | return BS_NEED_MORE;
|
4767 | }
|
4768 |
|
4769 | }
|
4770 | }
|
4771 | s.insert = 0;
|
4772 | if (flush === Z_FINISH) {
|
4773 |
|
4774 | flush_block_only(s, true);
|
4775 | if (s.strm.avail_out === 0) {
|
4776 | return BS_FINISH_STARTED;
|
4777 | }
|
4778 |
|
4779 | return BS_FINISH_DONE;
|
4780 | }
|
4781 | if (s.last_lit) {
|
4782 |
|
4783 | flush_block_only(s, false);
|
4784 | if (s.strm.avail_out === 0) {
|
4785 | return BS_NEED_MORE;
|
4786 | }
|
4787 |
|
4788 | }
|
4789 | return BS_BLOCK_DONE;
|
4790 | }
|
4791 |
|
4792 |
|
4793 |
|
4794 |
|
4795 |
|
4796 |
|
4797 | var Config = function (good_length, max_lazy, nice_length, max_chain, func) {
|
4798 | this.good_length = good_length;
|
4799 | this.max_lazy = max_lazy;
|
4800 | this.nice_length = nice_length;
|
4801 | this.max_chain = max_chain;
|
4802 | this.func = func;
|
4803 | };
|
4804 |
|
4805 | var configuration_table;
|
4806 |
|
4807 | configuration_table = [
|
4808 |
|
4809 | new Config(0, 0, 0, 0, deflate_stored),
|
4810 | new Config(4, 4, 8, 4, deflate_fast),
|
4811 | new Config(4, 5, 16, 8, deflate_fast),
|
4812 | new Config(4, 6, 32, 32, deflate_fast),
|
4813 |
|
4814 | new Config(4, 4, 16, 16, deflate_slow),
|
4815 | new Config(8, 16, 32, 32, deflate_slow),
|
4816 | new Config(8, 16, 128, 128, deflate_slow),
|
4817 | new Config(8, 32, 128, 256, deflate_slow),
|
4818 | new Config(32, 128, 258, 1024, deflate_slow),
|
4819 | new Config(32, 258, 258, 4096, deflate_slow)
|
4820 | ];
|
4821 |
|
4822 |
|
4823 |
|
4824 |
|
4825 |
|
4826 | function lm_init(s) {
|
4827 | s.window_size = 2 * s.w_size;
|
4828 |
|
4829 |
|
4830 | zero(s.head);
|
4831 |
|
4832 | |
4833 |
|
4834 | s.max_lazy_match = configuration_table[s.level].max_lazy;
|
4835 | s.good_match = configuration_table[s.level].good_length;
|
4836 | s.nice_match = configuration_table[s.level].nice_length;
|
4837 | s.max_chain_length = configuration_table[s.level].max_chain;
|
4838 |
|
4839 | s.strstart = 0;
|
4840 | s.block_start = 0;
|
4841 | s.lookahead = 0;
|
4842 | s.insert = 0;
|
4843 | s.match_length = s.prev_length = MIN_MATCH - 1;
|
4844 | s.match_available = 0;
|
4845 | s.ins_h = 0;
|
4846 | }
|
4847 |
|
4848 |
|
4849 | function DeflateState() {
|
4850 | this.strm = null;
|
4851 | this.status = 0;
|
4852 | this.pending_buf = null;
|
4853 | this.pending_buf_size = 0;
|
4854 | this.pending_out = 0;
|
4855 | this.pending = 0;
|
4856 | this.wrap = 0;
|
4857 | this.gzhead = null;
|
4858 | this.gzindex = 0;
|
4859 | this.method = Z_DEFLATED;
|
4860 | this.last_flush = -1;
|
4861 |
|
4862 | this.w_size = 0;
|
4863 | this.w_bits = 0;
|
4864 | this.w_mask = 0;
|
4865 |
|
4866 | this.window = null;
|
4867 | |
4868 |
|
4869 |
|
4870 |
|
4871 |
|
4872 |
|
4873 |
|
4874 | this.window_size = 0;
|
4875 | |
4876 |
|
4877 |
|
4878 |
|
4879 | this.prev = null;
|
4880 | |
4881 |
|
4882 |
|
4883 |
|
4884 |
|
4885 | this.head = null;
|
4886 |
|
4887 | this.ins_h = 0;
|
4888 | this.hash_size = 0;
|
4889 | this.hash_bits = 0;
|
4890 | this.hash_mask = 0;
|
4891 |
|
4892 | this.hash_shift = 0;
|
4893 | |
4894 |
|
4895 |
|
4896 |
|
4897 |
|
4898 |
|
4899 | this.block_start = 0;
|
4900 | |
4901 |
|
4902 |
|
4903 |
|
4904 | this.match_length = 0;
|
4905 | this.prev_match = 0;
|
4906 | this.match_available = 0;
|
4907 | this.strstart = 0;
|
4908 | this.match_start = 0;
|
4909 | this.lookahead = 0;
|
4910 |
|
4911 | this.prev_length = 0;
|
4912 | |
4913 |
|
4914 |
|
4915 |
|
4916 | this.max_chain_length = 0;
|
4917 | |
4918 |
|
4919 |
|
4920 |
|
4921 |
|
4922 | this.max_lazy_match = 0;
|
4923 | |
4924 |
|
4925 |
|
4926 |
|
4927 |
|
4928 |
|
4929 | |
4930 |
|
4931 |
|
4932 |
|
4933 |
|
4934 | this.level = 0;
|
4935 | this.strategy = 0;
|
4936 |
|
4937 | this.good_match = 0;
|
4938 |
|
4939 |
|
4940 | this.nice_match = 0;
|
4941 |
|
4942 |
|
4943 |
|
4944 |
|
4945 |
|
4946 |
|
4947 |
|
4948 |
|
4949 |
|
4950 |
|
4951 |
|
4952 | this.dyn_ltree = new utils.Buf16(HEAP_SIZE * 2);
|
4953 | this.dyn_dtree = new utils.Buf16((2*D_CODES+1) * 2);
|
4954 | this.bl_tree = new utils.Buf16((2*BL_CODES+1) * 2);
|
4955 | zero(this.dyn_ltree);
|
4956 | zero(this.dyn_dtree);
|
4957 | zero(this.bl_tree);
|
4958 |
|
4959 | this.l_desc = null;
|
4960 | this.d_desc = null;
|
4961 | this.bl_desc = null;
|
4962 |
|
4963 |
|
4964 | this.bl_count = new utils.Buf16(MAX_BITS+1);
|
4965 |
|
4966 |
|
4967 |
|
4968 | this.heap = new utils.Buf16(2*L_CODES+1);
|
4969 | zero(this.heap);
|
4970 |
|
4971 | this.heap_len = 0;
|
4972 | this.heap_max = 0;
|
4973 | |
4974 |
|
4975 |
|
4976 |
|
4977 | this.depth = new utils.Buf16(2*L_CODES+1);
|
4978 | zero(this.depth);
|
4979 | |
4980 |
|
4981 |
|
4982 | this.l_buf = 0;
|
4983 |
|
4984 | this.lit_bufsize = 0;
|
4985 | |
4986 |
|
4987 |
|
4988 |
|
4989 |
|
4990 |
|
4991 |
|
4992 |
|
4993 |
|
4994 |
|
4995 |
|
4996 |
|
4997 |
|
4998 |
|
4999 |
|
5000 |
|
5001 |
|
5002 |
|
5003 |
|
5004 | this.last_lit = 0;
|
5005 |
|
5006 | this.d_buf = 0;
|
5007 | |
5008 |
|
5009 |
|
5010 |
|
5011 |
|
5012 | this.opt_len = 0;
|
5013 | this.static_len = 0;
|
5014 | this.matches = 0;
|
5015 | this.insert = 0;
|
5016 |
|
5017 |
|
5018 | this.bi_buf = 0;
|
5019 | |
5020 |
|
5021 |
|
5022 | this.bi_valid = 0;
|
5023 | |
5024 |
|
5025 |
|
5026 |
|
5027 |
|
5028 |
|
5029 |
|
5030 | |
5031 |
|
5032 |
|
5033 |
|
5034 |
|
5035 | }
|
5036 |
|
5037 |
|
5038 | function deflateResetKeep(strm) {
|
5039 | var s;
|
5040 |
|
5041 | if (!strm || !strm.state) {
|
5042 | return err(strm, Z_STREAM_ERROR);
|
5043 | }
|
5044 |
|
5045 | strm.total_in = strm.total_out = 0;
|
5046 | strm.data_type = Z_UNKNOWN;
|
5047 |
|
5048 | s = strm.state;
|
5049 | s.pending = 0;
|
5050 | s.pending_out = 0;
|
5051 |
|
5052 | if (s.wrap < 0) {
|
5053 | s.wrap = -s.wrap;
|
5054 |
|
5055 | }
|
5056 | s.status = (s.wrap ? INIT_STATE : BUSY_STATE);
|
5057 | strm.adler = (s.wrap === 2) ?
|
5058 | 0
|
5059 | :
|
5060 | 1;
|
5061 | s.last_flush = Z_NO_FLUSH;
|
5062 | trees._tr_init(s);
|
5063 | return Z_OK;
|
5064 | }
|
5065 |
|
5066 |
|
5067 | function deflateReset(strm) {
|
5068 | var ret = deflateResetKeep(strm);
|
5069 | if (ret === Z_OK) {
|
5070 | lm_init(strm.state);
|
5071 | }
|
5072 | return ret;
|
5073 | }
|
5074 |
|
5075 |
|
5076 | function deflateSetHeader(strm, head) {
|
5077 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
5078 | if (strm.state.wrap !== 2) { return Z_STREAM_ERROR; }
|
5079 | strm.state.gzhead = head;
|
5080 | return Z_OK;
|
5081 | }
|
5082 |
|
5083 |
|
5084 | function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
|
5085 | if (!strm) {
|
5086 | return Z_STREAM_ERROR;
|
5087 | }
|
5088 | var wrap = 1;
|
5089 |
|
5090 | if (level === Z_DEFAULT_COMPRESSION) {
|
5091 | level = 6;
|
5092 | }
|
5093 |
|
5094 | if (windowBits < 0) {
|
5095 | wrap = 0;
|
5096 | windowBits = -windowBits;
|
5097 | }
|
5098 |
|
5099 | else if (windowBits > 15) {
|
5100 | wrap = 2;
|
5101 | windowBits -= 16;
|
5102 | }
|
5103 |
|
5104 |
|
5105 | if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method !== Z_DEFLATED ||
|
5106 | windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
|
5107 | strategy < 0 || strategy > Z_FIXED) {
|
5108 | return err(strm, Z_STREAM_ERROR);
|
5109 | }
|
5110 |
|
5111 |
|
5112 | if (windowBits === 8) {
|
5113 | windowBits = 9;
|
5114 | }
|
5115 |
|
5116 |
|
5117 | var s = new DeflateState();
|
5118 |
|
5119 | strm.state = s;
|
5120 | s.strm = strm;
|
5121 |
|
5122 | s.wrap = wrap;
|
5123 | s.gzhead = null;
|
5124 | s.w_bits = windowBits;
|
5125 | s.w_size = 1 << s.w_bits;
|
5126 | s.w_mask = s.w_size - 1;
|
5127 |
|
5128 | s.hash_bits = memLevel + 7;
|
5129 | s.hash_size = 1 << s.hash_bits;
|
5130 | s.hash_mask = s.hash_size - 1;
|
5131 | s.hash_shift = ~~((s.hash_bits + MIN_MATCH - 1) / MIN_MATCH);
|
5132 |
|
5133 | s.window = new utils.Buf8(s.w_size * 2);
|
5134 | s.head = new utils.Buf16(s.hash_size);
|
5135 | s.prev = new utils.Buf16(s.w_size);
|
5136 |
|
5137 |
|
5138 |
|
5139 |
|
5140 | s.lit_bufsize = 1 << (memLevel + 6);
|
5141 |
|
5142 | s.pending_buf_size = s.lit_bufsize * 4;
|
5143 | s.pending_buf = new utils.Buf8(s.pending_buf_size);
|
5144 |
|
5145 | s.d_buf = s.lit_bufsize >> 1;
|
5146 | s.l_buf = (1 + 2) * s.lit_bufsize;
|
5147 |
|
5148 | s.level = level;
|
5149 | s.strategy = strategy;
|
5150 | s.method = method;
|
5151 |
|
5152 | return deflateReset(strm);
|
5153 | }
|
5154 |
|
5155 | function deflateInit(strm, level) {
|
5156 | return deflateInit2(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
|
5157 | }
|
5158 |
|
5159 |
|
5160 | function deflate(strm, flush) {
|
5161 | var old_flush, s;
|
5162 | var beg, val;
|
5163 |
|
5164 | if (!strm || !strm.state ||
|
5165 | flush > Z_BLOCK || flush < 0) {
|
5166 | return strm ? err(strm, Z_STREAM_ERROR) : Z_STREAM_ERROR;
|
5167 | }
|
5168 |
|
5169 | s = strm.state;
|
5170 |
|
5171 | if (!strm.output ||
|
5172 | (!strm.input && strm.avail_in !== 0) ||
|
5173 | (s.status === FINISH_STATE && flush !== Z_FINISH)) {
|
5174 | return err(strm, (strm.avail_out === 0) ? Z_BUF_ERROR : Z_STREAM_ERROR);
|
5175 | }
|
5176 |
|
5177 | s.strm = strm;
|
5178 | old_flush = s.last_flush;
|
5179 | s.last_flush = flush;
|
5180 |
|
5181 |
|
5182 | if (s.status === INIT_STATE) {
|
5183 |
|
5184 | if (s.wrap === 2) {
|
5185 | strm.adler = 0;
|
5186 | put_byte(s, 31);
|
5187 | put_byte(s, 139);
|
5188 | put_byte(s, 8);
|
5189 | if (!s.gzhead) {
|
5190 | put_byte(s, 0);
|
5191 | put_byte(s, 0);
|
5192 | put_byte(s, 0);
|
5193 | put_byte(s, 0);
|
5194 | put_byte(s, 0);
|
5195 | put_byte(s, s.level === 9 ? 2 :
|
5196 | (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
|
5197 | 4 : 0));
|
5198 | put_byte(s, OS_CODE);
|
5199 | s.status = BUSY_STATE;
|
5200 | }
|
5201 | else {
|
5202 | put_byte(s, (s.gzhead.text ? 1 : 0) +
|
5203 | (s.gzhead.hcrc ? 2 : 0) +
|
5204 | (!s.gzhead.extra ? 0 : 4) +
|
5205 | (!s.gzhead.name ? 0 : 8) +
|
5206 | (!s.gzhead.comment ? 0 : 16)
|
5207 | );
|
5208 | put_byte(s, s.gzhead.time & 0xff);
|
5209 | put_byte(s, (s.gzhead.time >> 8) & 0xff);
|
5210 | put_byte(s, (s.gzhead.time >> 16) & 0xff);
|
5211 | put_byte(s, (s.gzhead.time >> 24) & 0xff);
|
5212 | put_byte(s, s.level === 9 ? 2 :
|
5213 | (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
|
5214 | 4 : 0));
|
5215 | put_byte(s, s.gzhead.os & 0xff);
|
5216 | if (s.gzhead.extra && s.gzhead.extra.length) {
|
5217 | put_byte(s, s.gzhead.extra.length & 0xff);
|
5218 | put_byte(s, (s.gzhead.extra.length >> 8) & 0xff);
|
5219 | }
|
5220 | if (s.gzhead.hcrc) {
|
5221 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending, 0);
|
5222 | }
|
5223 | s.gzindex = 0;
|
5224 | s.status = EXTRA_STATE;
|
5225 | }
|
5226 | }
|
5227 | else
|
5228 | {
|
5229 | var header = (Z_DEFLATED + ((s.w_bits - 8) << 4)) << 8;
|
5230 | var level_flags = -1;
|
5231 |
|
5232 | if (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2) {
|
5233 | level_flags = 0;
|
5234 | } else if (s.level < 6) {
|
5235 | level_flags = 1;
|
5236 | } else if (s.level === 6) {
|
5237 | level_flags = 2;
|
5238 | } else {
|
5239 | level_flags = 3;
|
5240 | }
|
5241 | header |= (level_flags << 6);
|
5242 | if (s.strstart !== 0) { header |= PRESET_DICT; }
|
5243 | header += 31 - (header % 31);
|
5244 |
|
5245 | s.status = BUSY_STATE;
|
5246 | putShortMSB(s, header);
|
5247 |
|
5248 |
|
5249 | if (s.strstart !== 0) {
|
5250 | putShortMSB(s, strm.adler >>> 16);
|
5251 | putShortMSB(s, strm.adler & 0xffff);
|
5252 | }
|
5253 | strm.adler = 1;
|
5254 | }
|
5255 | }
|
5256 |
|
5257 |
|
5258 | if (s.status === EXTRA_STATE) {
|
5259 | if (s.gzhead.extra) {
|
5260 | beg = s.pending;
|
5261 |
|
5262 | while (s.gzindex < (s.gzhead.extra.length & 0xffff)) {
|
5263 | if (s.pending === s.pending_buf_size) {
|
5264 | if (s.gzhead.hcrc && s.pending > beg) {
|
5265 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5266 | }
|
5267 | flush_pending(strm);
|
5268 | beg = s.pending;
|
5269 | if (s.pending === s.pending_buf_size) {
|
5270 | break;
|
5271 | }
|
5272 | }
|
5273 | put_byte(s, s.gzhead.extra[s.gzindex] & 0xff);
|
5274 | s.gzindex++;
|
5275 | }
|
5276 | if (s.gzhead.hcrc && s.pending > beg) {
|
5277 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5278 | }
|
5279 | if (s.gzindex === s.gzhead.extra.length) {
|
5280 | s.gzindex = 0;
|
5281 | s.status = NAME_STATE;
|
5282 | }
|
5283 | }
|
5284 | else {
|
5285 | s.status = NAME_STATE;
|
5286 | }
|
5287 | }
|
5288 | if (s.status === NAME_STATE) {
|
5289 | if (s.gzhead.name) {
|
5290 | beg = s.pending;
|
5291 |
|
5292 |
|
5293 | do {
|
5294 | if (s.pending === s.pending_buf_size) {
|
5295 | if (s.gzhead.hcrc && s.pending > beg) {
|
5296 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5297 | }
|
5298 | flush_pending(strm);
|
5299 | beg = s.pending;
|
5300 | if (s.pending === s.pending_buf_size) {
|
5301 | val = 1;
|
5302 | break;
|
5303 | }
|
5304 | }
|
5305 |
|
5306 | if (s.gzindex < s.gzhead.name.length) {
|
5307 | val = s.gzhead.name.charCodeAt(s.gzindex++) & 0xff;
|
5308 | } else {
|
5309 | val = 0;
|
5310 | }
|
5311 | put_byte(s, val);
|
5312 | } while (val !== 0);
|
5313 |
|
5314 | if (s.gzhead.hcrc && s.pending > beg){
|
5315 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5316 | }
|
5317 | if (val === 0) {
|
5318 | s.gzindex = 0;
|
5319 | s.status = COMMENT_STATE;
|
5320 | }
|
5321 | }
|
5322 | else {
|
5323 | s.status = COMMENT_STATE;
|
5324 | }
|
5325 | }
|
5326 | if (s.status === COMMENT_STATE) {
|
5327 | if (s.gzhead.comment) {
|
5328 | beg = s.pending;
|
5329 |
|
5330 |
|
5331 | do {
|
5332 | if (s.pending === s.pending_buf_size) {
|
5333 | if (s.gzhead.hcrc && s.pending > beg) {
|
5334 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5335 | }
|
5336 | flush_pending(strm);
|
5337 | beg = s.pending;
|
5338 | if (s.pending === s.pending_buf_size) {
|
5339 | val = 1;
|
5340 | break;
|
5341 | }
|
5342 | }
|
5343 |
|
5344 | if (s.gzindex < s.gzhead.comment.length) {
|
5345 | val = s.gzhead.comment.charCodeAt(s.gzindex++) & 0xff;
|
5346 | } else {
|
5347 | val = 0;
|
5348 | }
|
5349 | put_byte(s, val);
|
5350 | } while (val !== 0);
|
5351 |
|
5352 | if (s.gzhead.hcrc && s.pending > beg) {
|
5353 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5354 | }
|
5355 | if (val === 0) {
|
5356 | s.status = HCRC_STATE;
|
5357 | }
|
5358 | }
|
5359 | else {
|
5360 | s.status = HCRC_STATE;
|
5361 | }
|
5362 | }
|
5363 | if (s.status === HCRC_STATE) {
|
5364 | if (s.gzhead.hcrc) {
|
5365 | if (s.pending + 2 > s.pending_buf_size) {
|
5366 | flush_pending(strm);
|
5367 | }
|
5368 | if (s.pending + 2 <= s.pending_buf_size) {
|
5369 | put_byte(s, strm.adler & 0xff);
|
5370 | put_byte(s, (strm.adler >> 8) & 0xff);
|
5371 | strm.adler = 0;
|
5372 | s.status = BUSY_STATE;
|
5373 | }
|
5374 | }
|
5375 | else {
|
5376 | s.status = BUSY_STATE;
|
5377 | }
|
5378 | }
|
5379 |
|
5380 |
|
5381 |
|
5382 | if (s.pending !== 0) {
|
5383 | flush_pending(strm);
|
5384 | if (strm.avail_out === 0) {
|
5385 | |
5386 |
|
5387 |
|
5388 |
|
5389 |
|
5390 |
|
5391 | s.last_flush = -1;
|
5392 | return Z_OK;
|
5393 | }
|
5394 |
|
5395 | |
5396 |
|
5397 |
|
5398 |
|
5399 | } else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) &&
|
5400 | flush !== Z_FINISH) {
|
5401 | return err(strm, Z_BUF_ERROR);
|
5402 | }
|
5403 |
|
5404 |
|
5405 | if (s.status === FINISH_STATE && strm.avail_in !== 0) {
|
5406 | return err(strm, Z_BUF_ERROR);
|
5407 | }
|
5408 |
|
5409 | |
5410 |
|
5411 | if (strm.avail_in !== 0 || s.lookahead !== 0 ||
|
5412 | (flush !== Z_NO_FLUSH && s.status !== FINISH_STATE)) {
|
5413 | var bstate = (s.strategy === Z_HUFFMAN_ONLY) ? deflate_huff(s, flush) :
|
5414 | (s.strategy === Z_RLE ? deflate_rle(s, flush) :
|
5415 | configuration_table[s.level].func(s, flush));
|
5416 |
|
5417 | if (bstate === BS_FINISH_STARTED || bstate === BS_FINISH_DONE) {
|
5418 | s.status = FINISH_STATE;
|
5419 | }
|
5420 | if (bstate === BS_NEED_MORE || bstate === BS_FINISH_STARTED) {
|
5421 | if (strm.avail_out === 0) {
|
5422 | s.last_flush = -1;
|
5423 |
|
5424 | }
|
5425 | return Z_OK;
|
5426 | |
5427 |
|
5428 |
|
5429 |
|
5430 |
|
5431 |
|
5432 |
|
5433 | }
|
5434 | if (bstate === BS_BLOCK_DONE) {
|
5435 | if (flush === Z_PARTIAL_FLUSH) {
|
5436 | trees._tr_align(s);
|
5437 | }
|
5438 | else if (flush !== Z_BLOCK) {
|
5439 |
|
5440 | trees._tr_stored_block(s, 0, 0, false);
|
5441 | |
5442 |
|
5443 |
|
5444 | if (flush === Z_FULL_FLUSH) {
|
5445 |
|
5446 | zero(s.head);
|
5447 |
|
5448 | if (s.lookahead === 0) {
|
5449 | s.strstart = 0;
|
5450 | s.block_start = 0;
|
5451 | s.insert = 0;
|
5452 | }
|
5453 | }
|
5454 | }
|
5455 | flush_pending(strm);
|
5456 | if (strm.avail_out === 0) {
|
5457 | s.last_flush = -1;
|
5458 | return Z_OK;
|
5459 | }
|
5460 | }
|
5461 | }
|
5462 |
|
5463 |
|
5464 |
|
5465 | if (flush !== Z_FINISH) { return Z_OK; }
|
5466 | if (s.wrap <= 0) { return Z_STREAM_END; }
|
5467 |
|
5468 |
|
5469 | if (s.wrap === 2) {
|
5470 | put_byte(s, strm.adler & 0xff);
|
5471 | put_byte(s, (strm.adler >> 8) & 0xff);
|
5472 | put_byte(s, (strm.adler >> 16) & 0xff);
|
5473 | put_byte(s, (strm.adler >> 24) & 0xff);
|
5474 | put_byte(s, strm.total_in & 0xff);
|
5475 | put_byte(s, (strm.total_in >> 8) & 0xff);
|
5476 | put_byte(s, (strm.total_in >> 16) & 0xff);
|
5477 | put_byte(s, (strm.total_in >> 24) & 0xff);
|
5478 | }
|
5479 | else
|
5480 | {
|
5481 | putShortMSB(s, strm.adler >>> 16);
|
5482 | putShortMSB(s, strm.adler & 0xffff);
|
5483 | }
|
5484 |
|
5485 | flush_pending(strm);
|
5486 | |
5487 |
|
5488 |
|
5489 | if (s.wrap > 0) { s.wrap = -s.wrap; }
|
5490 |
|
5491 | return s.pending !== 0 ? Z_OK : Z_STREAM_END;
|
5492 | }
|
5493 |
|
5494 | function deflateEnd(strm) {
|
5495 | var status;
|
5496 |
|
5497 | if (!strm || !strm.state) {
|
5498 | return Z_STREAM_ERROR;
|
5499 | }
|
5500 |
|
5501 | status = strm.state.status;
|
5502 | if (status !== INIT_STATE &&
|
5503 | status !== EXTRA_STATE &&
|
5504 | status !== NAME_STATE &&
|
5505 | status !== COMMENT_STATE &&
|
5506 | status !== HCRC_STATE &&
|
5507 | status !== BUSY_STATE &&
|
5508 | status !== FINISH_STATE
|
5509 | ) {
|
5510 | return err(strm, Z_STREAM_ERROR);
|
5511 | }
|
5512 |
|
5513 | strm.state = null;
|
5514 |
|
5515 | return status === BUSY_STATE ? err(strm, Z_DATA_ERROR) : Z_OK;
|
5516 | }
|
5517 |
|
5518 |
|
5519 |
|
5520 |
|
5521 |
|
5522 |
|
5523 |
|
5524 |
|
5525 | exports.deflateInit = deflateInit;
|
5526 | exports.deflateInit2 = deflateInit2;
|
5527 | exports.deflateReset = deflateReset;
|
5528 | exports.deflateResetKeep = deflateResetKeep;
|
5529 | exports.deflateSetHeader = deflateSetHeader;
|
5530 | exports.deflate = deflate;
|
5531 | exports.deflateEnd = deflateEnd;
|
5532 | exports.deflateInfo = 'pako deflate (from Nodeca project)';
|
5533 |
|
5534 |
|
5535 |
|
5536 |
|
5537 |
|
5538 |
|
5539 |
|
5540 |
|
5541 |
|
5542 |
|
5543 | },{"../utils/common":27,"./adler32":29,"./crc32":31,"./messages":37,"./trees":38}],33:[function(_dereq_,module,exports){
|
5544 | 'use strict';
|
5545 |
|
5546 |
|
5547 | function GZheader() {
|
5548 |
|
5549 | this.text = 0;
|
5550 |
|
5551 | this.time = 0;
|
5552 |
|
5553 | this.xflags = 0;
|
5554 |
|
5555 | this.os = 0;
|
5556 |
|
5557 | this.extra = null;
|
5558 |
|
5559 | this.extra_len = 0;
|
5560 |
|
5561 |
|
5562 |
|
5563 |
|
5564 |
|
5565 |
|
5566 |
|
5567 |
|
5568 |
|
5569 |
|
5570 | this.name = '';
|
5571 |
|
5572 |
|
5573 |
|
5574 | this.comment = '';
|
5575 |
|
5576 |
|
5577 |
|
5578 | this.hcrc = 0;
|
5579 |
|
5580 | this.done = false;
|
5581 | }
|
5582 |
|
5583 | module.exports = GZheader;
|
5584 | },{}],34:[function(_dereq_,module,exports){
|
5585 | 'use strict';
|
5586 |
|
5587 |
|
5588 | var BAD = 30;
|
5589 | var TYPE = 12;
|
5590 |
|
5591 |
|
5592 |
|
5593 |
|
5594 |
|
5595 |
|
5596 |
|
5597 |
|
5598 |
|
5599 |
|
5600 |
|
5601 |
|
5602 |
|
5603 |
|
5604 |
|
5605 |
|
5606 |
|
5607 |
|
5608 |
|
5609 |
|
5610 |
|
5611 |
|
5612 |
|
5613 |
|
5614 |
|
5615 |
|
5616 |
|
5617 |
|
5618 |
|
5619 |
|
5620 |
|
5621 |
|
5622 |
|
5623 |
|
5624 |
|
5625 |
|
5626 | module.exports = function inflate_fast(strm, start) {
|
5627 | var state;
|
5628 | var _in;
|
5629 | var last;
|
5630 | var _out;
|
5631 | var beg;
|
5632 | var end;
|
5633 |
|
5634 | var dmax;
|
5635 |
|
5636 | var wsize;
|
5637 | var whave;
|
5638 | var wnext;
|
5639 | var window;
|
5640 | var hold;
|
5641 | var bits;
|
5642 | var lcode;
|
5643 | var dcode;
|
5644 | var lmask;
|
5645 | var dmask;
|
5646 | var here;
|
5647 | var op;
|
5648 |
|
5649 | var len;
|
5650 | var dist;
|
5651 | var from;
|
5652 | var from_source;
|
5653 |
|
5654 |
|
5655 | var input, output;
|
5656 |
|
5657 |
|
5658 | state = strm.state;
|
5659 |
|
5660 | _in = strm.next_in;
|
5661 | input = strm.input;
|
5662 | last = _in + (strm.avail_in - 5);
|
5663 | _out = strm.next_out;
|
5664 | output = strm.output;
|
5665 | beg = _out - (start - strm.avail_out);
|
5666 | end = _out + (strm.avail_out - 257);
|
5667 |
|
5668 | dmax = state.dmax;
|
5669 |
|
5670 | wsize = state.wsize;
|
5671 | whave = state.whave;
|
5672 | wnext = state.wnext;
|
5673 | window = state.window;
|
5674 | hold = state.hold;
|
5675 | bits = state.bits;
|
5676 | lcode = state.lencode;
|
5677 | dcode = state.distcode;
|
5678 | lmask = (1 << state.lenbits) - 1;
|
5679 | dmask = (1 << state.distbits) - 1;
|
5680 |
|
5681 |
|
5682 | |
5683 |
|
5684 |
|
5685 | top:
|
5686 | do {
|
5687 | if (bits < 15) {
|
5688 | hold += input[_in++] << bits;
|
5689 | bits += 8;
|
5690 | hold += input[_in++] << bits;
|
5691 | bits += 8;
|
5692 | }
|
5693 |
|
5694 | here = lcode[hold & lmask];
|
5695 |
|
5696 | dolen:
|
5697 | for (;;) {
|
5698 | op = here >>> 24;
|
5699 | hold >>>= op;
|
5700 | bits -= op;
|
5701 | op = (here >>> 16) & 0xff;
|
5702 | if (op === 0) {
|
5703 |
|
5704 |
|
5705 |
|
5706 | output[_out++] = here & 0xffff;
|
5707 | }
|
5708 | else if (op & 16) {
|
5709 | len = here & 0xffff;
|
5710 | op &= 15;
|
5711 | if (op) {
|
5712 | if (bits < op) {
|
5713 | hold += input[_in++] << bits;
|
5714 | bits += 8;
|
5715 | }
|
5716 | len += hold & ((1 << op) - 1);
|
5717 | hold >>>= op;
|
5718 | bits -= op;
|
5719 | }
|
5720 |
|
5721 | if (bits < 15) {
|
5722 | hold += input[_in++] << bits;
|
5723 | bits += 8;
|
5724 | hold += input[_in++] << bits;
|
5725 | bits += 8;
|
5726 | }
|
5727 | here = dcode[hold & dmask];
|
5728 |
|
5729 | dodist:
|
5730 | for (;;) {
|
5731 | op = here >>> 24;
|
5732 | hold >>>= op;
|
5733 | bits -= op;
|
5734 | op = (here >>> 16) & 0xff;
|
5735 |
|
5736 | if (op & 16) {
|
5737 | dist = here & 0xffff;
|
5738 | op &= 15;
|
5739 | if (bits < op) {
|
5740 | hold += input[_in++] << bits;
|
5741 | bits += 8;
|
5742 | if (bits < op) {
|
5743 | hold += input[_in++] << bits;
|
5744 | bits += 8;
|
5745 | }
|
5746 | }
|
5747 | dist += hold & ((1 << op) - 1);
|
5748 |
|
5749 | if (dist > dmax) {
|
5750 | strm.msg = 'invalid distance too far back';
|
5751 | state.mode = BAD;
|
5752 | break top;
|
5753 | }
|
5754 |
|
5755 | hold >>>= op;
|
5756 | bits -= op;
|
5757 |
|
5758 | op = _out - beg;
|
5759 | if (dist > op) {
|
5760 | op = dist - op;
|
5761 | if (op > whave) {
|
5762 | if (state.sane) {
|
5763 | strm.msg = 'invalid distance too far back';
|
5764 | state.mode = BAD;
|
5765 | break top;
|
5766 | }
|
5767 |
|
5768 |
|
5769 |
|
5770 |
|
5771 |
|
5772 |
|
5773 |
|
5774 |
|
5775 |
|
5776 |
|
5777 |
|
5778 |
|
5779 |
|
5780 |
|
5781 |
|
5782 |
|
5783 |
|
5784 |
|
5785 |
|
5786 |
|
5787 |
|
5788 |
|
5789 | }
|
5790 | from = 0;
|
5791 | from_source = window;
|
5792 | if (wnext === 0) {
|
5793 | from += wsize - op;
|
5794 | if (op < len) {
|
5795 | len -= op;
|
5796 | do {
|
5797 | output[_out++] = window[from++];
|
5798 | } while (--op);
|
5799 | from = _out - dist;
|
5800 | from_source = output;
|
5801 | }
|
5802 | }
|
5803 | else if (wnext < op) {
|
5804 | from += wsize + wnext - op;
|
5805 | op -= wnext;
|
5806 | if (op < len) {
|
5807 | len -= op;
|
5808 | do {
|
5809 | output[_out++] = window[from++];
|
5810 | } while (--op);
|
5811 | from = 0;
|
5812 | if (wnext < len) {
|
5813 | op = wnext;
|
5814 | len -= op;
|
5815 | do {
|
5816 | output[_out++] = window[from++];
|
5817 | } while (--op);
|
5818 | from = _out - dist;
|
5819 | from_source = output;
|
5820 | }
|
5821 | }
|
5822 | }
|
5823 | else {
|
5824 | from += wnext - op;
|
5825 | if (op < len) {
|
5826 | len -= op;
|
5827 | do {
|
5828 | output[_out++] = window[from++];
|
5829 | } while (--op);
|
5830 | from = _out - dist;
|
5831 | from_source = output;
|
5832 | }
|
5833 | }
|
5834 | while (len > 2) {
|
5835 | output[_out++] = from_source[from++];
|
5836 | output[_out++] = from_source[from++];
|
5837 | output[_out++] = from_source[from++];
|
5838 | len -= 3;
|
5839 | }
|
5840 | if (len) {
|
5841 | output[_out++] = from_source[from++];
|
5842 | if (len > 1) {
|
5843 | output[_out++] = from_source[from++];
|
5844 | }
|
5845 | }
|
5846 | }
|
5847 | else {
|
5848 | from = _out - dist;
|
5849 | do {
|
5850 | output[_out++] = output[from++];
|
5851 | output[_out++] = output[from++];
|
5852 | output[_out++] = output[from++];
|
5853 | len -= 3;
|
5854 | } while (len > 2);
|
5855 | if (len) {
|
5856 | output[_out++] = output[from++];
|
5857 | if (len > 1) {
|
5858 | output[_out++] = output[from++];
|
5859 | }
|
5860 | }
|
5861 | }
|
5862 | }
|
5863 | else if ((op & 64) === 0) {
|
5864 | here = dcode[(here & 0xffff) + (hold & ((1 << op) - 1))];
|
5865 | continue dodist;
|
5866 | }
|
5867 | else {
|
5868 | strm.msg = 'invalid distance code';
|
5869 | state.mode = BAD;
|
5870 | break top;
|
5871 | }
|
5872 |
|
5873 | break;
|
5874 | }
|
5875 | }
|
5876 | else if ((op & 64) === 0) {
|
5877 | here = lcode[(here & 0xffff) + (hold & ((1 << op) - 1))];
|
5878 | continue dolen;
|
5879 | }
|
5880 | else if (op & 32) {
|
5881 |
|
5882 | state.mode = TYPE;
|
5883 | break top;
|
5884 | }
|
5885 | else {
|
5886 | strm.msg = 'invalid literal/length code';
|
5887 | state.mode = BAD;
|
5888 | break top;
|
5889 | }
|
5890 |
|
5891 | break;
|
5892 | }
|
5893 | } while (_in < last && _out < end);
|
5894 |
|
5895 |
|
5896 | len = bits >> 3;
|
5897 | _in -= len;
|
5898 | bits -= len << 3;
|
5899 | hold &= (1 << bits) - 1;
|
5900 |
|
5901 |
|
5902 | strm.next_in = _in;
|
5903 | strm.next_out = _out;
|
5904 | strm.avail_in = (_in < last ? 5 + (last - _in) : 5 - (_in - last));
|
5905 | strm.avail_out = (_out < end ? 257 + (end - _out) : 257 - (_out - end));
|
5906 | state.hold = hold;
|
5907 | state.bits = bits;
|
5908 | return;
|
5909 | };
|
5910 |
|
5911 | },{}],35:[function(_dereq_,module,exports){
|
5912 | 'use strict';
|
5913 |
|
5914 |
|
5915 | var utils = _dereq_('../utils/common');
|
5916 | var adler32 = _dereq_('./adler32');
|
5917 | var crc32 = _dereq_('./crc32');
|
5918 | var inflate_fast = _dereq_('./inffast');
|
5919 | var inflate_table = _dereq_('./inftrees');
|
5920 |
|
5921 | var CODES = 0;
|
5922 | var LENS = 1;
|
5923 | var DISTS = 2;
|
5924 |
|
5925 |
|
5926 |
|
5927 |
|
5928 |
|
5929 |
|
5930 |
|
5931 |
|
5932 |
|
5933 |
|
5934 | var Z_FINISH = 4;
|
5935 | var Z_BLOCK = 5;
|
5936 | var Z_TREES = 6;
|
5937 |
|
5938 |
|
5939 |
|
5940 |
|
5941 |
|
5942 | var Z_OK = 0;
|
5943 | var Z_STREAM_END = 1;
|
5944 | var Z_NEED_DICT = 2;
|
5945 |
|
5946 | var Z_STREAM_ERROR = -2;
|
5947 | var Z_DATA_ERROR = -3;
|
5948 | var Z_MEM_ERROR = -4;
|
5949 | var Z_BUF_ERROR = -5;
|
5950 |
|
5951 |
|
5952 |
|
5953 | var Z_DEFLATED = 8;
|
5954 |
|
5955 |
|
5956 |
|
5957 |
|
5958 |
|
5959 |
|
5960 | var HEAD = 1;
|
5961 | var FLAGS = 2;
|
5962 | var TIME = 3;
|
5963 | var OS = 4;
|
5964 | var EXLEN = 5;
|
5965 | var EXTRA = 6;
|
5966 | var NAME = 7;
|
5967 | var COMMENT = 8;
|
5968 | var HCRC = 9;
|
5969 | var DICTID = 10;
|
5970 | var DICT = 11;
|
5971 | var TYPE = 12;
|
5972 | var TYPEDO = 13;
|
5973 | var STORED = 14;
|
5974 | var COPY_ = 15;
|
5975 | var COPY = 16;
|
5976 | var TABLE = 17;
|
5977 | var LENLENS = 18;
|
5978 | var CODELENS = 19;
|
5979 | var LEN_ = 20;
|
5980 | var LEN = 21;
|
5981 | var LENEXT = 22;
|
5982 | var DIST = 23;
|
5983 | var DISTEXT = 24;
|
5984 | var MATCH = 25;
|
5985 | var LIT = 26;
|
5986 | var CHECK = 27;
|
5987 | var LENGTH = 28;
|
5988 | var DONE = 29;
|
5989 | var BAD = 30;
|
5990 | var MEM = 31;
|
5991 | var SYNC = 32;
|
5992 |
|
5993 |
|
5994 |
|
5995 |
|
5996 |
|
5997 | var ENOUGH_LENS = 852;
|
5998 | var ENOUGH_DISTS = 592;
|
5999 |
|
6000 |
|
6001 | var MAX_WBITS = 15;
|
6002 |
|
6003 | var DEF_WBITS = MAX_WBITS;
|
6004 |
|
6005 |
|
6006 | function ZSWAP32(q) {
|
6007 | return (((q >>> 24) & 0xff) +
|
6008 | ((q >>> 8) & 0xff00) +
|
6009 | ((q & 0xff00) << 8) +
|
6010 | ((q & 0xff) << 24));
|
6011 | }
|
6012 |
|
6013 |
|
6014 | function InflateState() {
|
6015 | this.mode = 0;
|
6016 | this.last = false;
|
6017 | this.wrap = 0;
|
6018 | this.havedict = false;
|
6019 | this.flags = 0;
|
6020 | this.dmax = 0;
|
6021 | this.check = 0;
|
6022 | this.total = 0;
|
6023 |
|
6024 | this.head = null;
|
6025 |
|
6026 |
|
6027 | this.wbits = 0;
|
6028 | this.wsize = 0;
|
6029 | this.whave = 0;
|
6030 | this.wnext = 0;
|
6031 | this.window = null;
|
6032 |
|
6033 |
|
6034 | this.hold = 0;
|
6035 | this.bits = 0;
|
6036 |
|
6037 |
|
6038 | this.length = 0;
|
6039 | this.offset = 0;
|
6040 |
|
6041 |
|
6042 | this.extra = 0;
|
6043 |
|
6044 |
|
6045 | this.lencode = null;
|
6046 | this.distcode = null;
|
6047 | this.lenbits = 0;
|
6048 | this.distbits = 0;
|
6049 |
|
6050 |
|
6051 | this.ncode = 0;
|
6052 | this.nlen = 0;
|
6053 | this.ndist = 0;
|
6054 | this.have = 0;
|
6055 | this.next = null;
|
6056 |
|
6057 | this.lens = new utils.Buf16(320);
|
6058 | this.work = new utils.Buf16(288);
|
6059 |
|
6060 | |
6061 |
|
6062 |
|
6063 |
|
6064 |
|
6065 | this.lendyn = null;
|
6066 | this.distdyn = null;
|
6067 | this.sane = 0;
|
6068 | this.back = 0;
|
6069 | this.was = 0;
|
6070 | }
|
6071 |
|
6072 | function inflateResetKeep(strm) {
|
6073 | var state;
|
6074 |
|
6075 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
6076 | state = strm.state;
|
6077 | strm.total_in = strm.total_out = state.total = 0;
|
6078 | strm.msg = '';
|
6079 | if (state.wrap) {
|
6080 | strm.adler = state.wrap & 1;
|
6081 | }
|
6082 | state.mode = HEAD;
|
6083 | state.last = 0;
|
6084 | state.havedict = 0;
|
6085 | state.dmax = 32768;
|
6086 | state.head = null;
|
6087 | state.hold = 0;
|
6088 | state.bits = 0;
|
6089 |
|
6090 | state.lencode = state.lendyn = new utils.Buf32(ENOUGH_LENS);
|
6091 | state.distcode = state.distdyn = new utils.Buf32(ENOUGH_DISTS);
|
6092 |
|
6093 | state.sane = 1;
|
6094 | state.back = -1;
|
6095 |
|
6096 | return Z_OK;
|
6097 | }
|
6098 |
|
6099 | function inflateReset(strm) {
|
6100 | var state;
|
6101 |
|
6102 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
6103 | state = strm.state;
|
6104 | state.wsize = 0;
|
6105 | state.whave = 0;
|
6106 | state.wnext = 0;
|
6107 | return inflateResetKeep(strm);
|
6108 |
|
6109 | }
|
6110 |
|
6111 | function inflateReset2(strm, windowBits) {
|
6112 | var wrap;
|
6113 | var state;
|
6114 |
|
6115 |
|
6116 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
6117 | state = strm.state;
|
6118 |
|
6119 |
|
6120 | if (windowBits < 0) {
|
6121 | wrap = 0;
|
6122 | windowBits = -windowBits;
|
6123 | }
|
6124 | else {
|
6125 | wrap = (windowBits >> 4) + 1;
|
6126 | if (windowBits < 48) {
|
6127 | windowBits &= 15;
|
6128 | }
|
6129 | }
|
6130 |
|
6131 |
|
6132 | if (windowBits && (windowBits < 8 || windowBits > 15)) {
|
6133 | return Z_STREAM_ERROR;
|
6134 | }
|
6135 | if (state.window !== null && state.wbits !== windowBits) {
|
6136 | state.window = null;
|
6137 | }
|
6138 |
|
6139 |
|
6140 | state.wrap = wrap;
|
6141 | state.wbits = windowBits;
|
6142 | return inflateReset(strm);
|
6143 | }
|
6144 |
|
6145 | function inflateInit2(strm, windowBits) {
|
6146 | var ret;
|
6147 | var state;
|
6148 |
|
6149 | if (!strm) { return Z_STREAM_ERROR; }
|
6150 |
|
6151 |
|
6152 | state = new InflateState();
|
6153 |
|
6154 |
|
6155 |
|
6156 | strm.state = state;
|
6157 | state.window = null;
|
6158 | ret = inflateReset2(strm, windowBits);
|
6159 | if (ret !== Z_OK) {
|
6160 | strm.state = null;
|
6161 | }
|
6162 | return ret;
|
6163 | }
|
6164 |
|
6165 | function inflateInit(strm) {
|
6166 | return inflateInit2(strm, DEF_WBITS);
|
6167 | }
|
6168 |
|
6169 |
|
6170 |
|
6171 |
|
6172 |
|
6173 |
|
6174 |
|
6175 |
|
6176 |
|
6177 |
|
6178 |
|
6179 |
|
6180 | var virgin = true;
|
6181 |
|
6182 | var lenfix, distfix;
|
6183 |
|
6184 | function fixedtables(state) {
|
6185 |
|
6186 | if (virgin) {
|
6187 | var sym;
|
6188 |
|
6189 | lenfix = new utils.Buf32(512);
|
6190 | distfix = new utils.Buf32(32);
|
6191 |
|
6192 |
|
6193 | sym = 0;
|
6194 | while (sym < 144) { state.lens[sym++] = 8; }
|
6195 | while (sym < 256) { state.lens[sym++] = 9; }
|
6196 | while (sym < 280) { state.lens[sym++] = 7; }
|
6197 | while (sym < 288) { state.lens[sym++] = 8; }
|
6198 |
|
6199 | inflate_table(LENS, state.lens, 0, 288, lenfix, 0, state.work, {bits: 9});
|
6200 |
|
6201 |
|
6202 | sym = 0;
|
6203 | while (sym < 32) { state.lens[sym++] = 5; }
|
6204 |
|
6205 | inflate_table(DISTS, state.lens, 0, 32, distfix, 0, state.work, {bits: 5});
|
6206 |
|
6207 |
|
6208 | virgin = false;
|
6209 | }
|
6210 |
|
6211 | state.lencode = lenfix;
|
6212 | state.lenbits = 9;
|
6213 | state.distcode = distfix;
|
6214 | state.distbits = 5;
|
6215 | }
|
6216 |
|
6217 |
|
6218 |
|
6219 |
|
6220 |
|
6221 |
|
6222 |
|
6223 |
|
6224 |
|
6225 |
|
6226 |
|
6227 |
|
6228 |
|
6229 |
|
6230 |
|
6231 |
|
6232 | function updatewindow(strm, src, end, copy) {
|
6233 | var dist;
|
6234 | var state = strm.state;
|
6235 |
|
6236 |
|
6237 | if (state.window === null) {
|
6238 | state.wsize = 1 << state.wbits;
|
6239 | state.wnext = 0;
|
6240 | state.whave = 0;
|
6241 |
|
6242 | state.window = new utils.Buf8(state.wsize);
|
6243 | }
|
6244 |
|
6245 |
|
6246 | if (copy >= state.wsize) {
|
6247 | utils.arraySet(state.window,src, end - state.wsize, state.wsize, 0);
|
6248 | state.wnext = 0;
|
6249 | state.whave = state.wsize;
|
6250 | }
|
6251 | else {
|
6252 | dist = state.wsize - state.wnext;
|
6253 | if (dist > copy) {
|
6254 | dist = copy;
|
6255 | }
|
6256 |
|
6257 | utils.arraySet(state.window,src, end - copy, dist, state.wnext);
|
6258 | copy -= dist;
|
6259 | if (copy) {
|
6260 |
|
6261 | utils.arraySet(state.window,src, end - copy, copy, 0);
|
6262 | state.wnext = copy;
|
6263 | state.whave = state.wsize;
|
6264 | }
|
6265 | else {
|
6266 | state.wnext += dist;
|
6267 | if (state.wnext === state.wsize) { state.wnext = 0; }
|
6268 | if (state.whave < state.wsize) { state.whave += dist; }
|
6269 | }
|
6270 | }
|
6271 | return 0;
|
6272 | }
|
6273 |
|
6274 | function inflate(strm, flush) {
|
6275 | var state;
|
6276 | var input, output;
|
6277 | var next;
|
6278 | var put;
|
6279 | var have, left;
|
6280 | var hold;
|
6281 | var bits;
|
6282 | var _in, _out;
|
6283 | var copy;
|
6284 | var from;
|
6285 | var from_source;
|
6286 | var here = 0;
|
6287 | var here_bits, here_op, here_val;
|
6288 |
|
6289 | var last_bits, last_op, last_val;
|
6290 | var len;
|
6291 | var ret;
|
6292 | var hbuf = new utils.Buf8(4);
|
6293 | var opts;
|
6294 |
|
6295 | var n;
|
6296 |
|
6297 | var order =
|
6298 | [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];
|
6299 |
|
6300 |
|
6301 | if (!strm || !strm.state || !strm.output ||
|
6302 | (!strm.input && strm.avail_in !== 0)) {
|
6303 | return Z_STREAM_ERROR;
|
6304 | }
|
6305 |
|
6306 | state = strm.state;
|
6307 | if (state.mode === TYPE) { state.mode = TYPEDO; }
|
6308 |
|
6309 |
|
6310 |
|
6311 | put = strm.next_out;
|
6312 | output = strm.output;
|
6313 | left = strm.avail_out;
|
6314 | next = strm.next_in;
|
6315 | input = strm.input;
|
6316 | have = strm.avail_in;
|
6317 | hold = state.hold;
|
6318 | bits = state.bits;
|
6319 |
|
6320 |
|
6321 | _in = have;
|
6322 | _out = left;
|
6323 | ret = Z_OK;
|
6324 |
|
6325 | inf_leave:
|
6326 | for (;;) {
|
6327 | switch (state.mode) {
|
6328 | case HEAD:
|
6329 | if (state.wrap === 0) {
|
6330 | state.mode = TYPEDO;
|
6331 | break;
|
6332 | }
|
6333 |
|
6334 | while (bits < 16) {
|
6335 | if (have === 0) { break inf_leave; }
|
6336 | have--;
|
6337 | hold += input[next++] << bits;
|
6338 | bits += 8;
|
6339 | }
|
6340 |
|
6341 | if ((state.wrap & 2) && hold === 0x8b1f) {
|
6342 | state.check = 0;
|
6343 |
|
6344 | hbuf[0] = hold & 0xff;
|
6345 | hbuf[1] = (hold >>> 8) & 0xff;
|
6346 | state.check = crc32(state.check, hbuf, 2, 0);
|
6347 |
|
6348 |
|
6349 |
|
6350 | hold = 0;
|
6351 | bits = 0;
|
6352 |
|
6353 | state.mode = FLAGS;
|
6354 | break;
|
6355 | }
|
6356 | state.flags = 0;
|
6357 | if (state.head) {
|
6358 | state.head.done = false;
|
6359 | }
|
6360 | if (!(state.wrap & 1) ||
|
6361 | (((hold & 0xff) << 8) + (hold >> 8)) % 31) {
|
6362 | strm.msg = 'incorrect header check';
|
6363 | state.mode = BAD;
|
6364 | break;
|
6365 | }
|
6366 | if ((hold & 0x0f) !== Z_DEFLATED) {
|
6367 | strm.msg = 'unknown compression method';
|
6368 | state.mode = BAD;
|
6369 | break;
|
6370 | }
|
6371 |
|
6372 | hold >>>= 4;
|
6373 | bits -= 4;
|
6374 |
|
6375 | len = (hold & 0x0f) + 8;
|
6376 | if (state.wbits === 0) {
|
6377 | state.wbits = len;
|
6378 | }
|
6379 | else if (len > state.wbits) {
|
6380 | strm.msg = 'invalid window size';
|
6381 | state.mode = BAD;
|
6382 | break;
|
6383 | }
|
6384 | state.dmax = 1 << len;
|
6385 |
|
6386 | strm.adler = state.check = 1;
|
6387 | state.mode = hold & 0x200 ? DICTID : TYPE;
|
6388 |
|
6389 | hold = 0;
|
6390 | bits = 0;
|
6391 |
|
6392 | break;
|
6393 | case FLAGS:
|
6394 |
|
6395 | while (bits < 16) {
|
6396 | if (have === 0) { break inf_leave; }
|
6397 | have--;
|
6398 | hold += input[next++] << bits;
|
6399 | bits += 8;
|
6400 | }
|
6401 |
|
6402 | state.flags = hold;
|
6403 | if ((state.flags & 0xff) !== Z_DEFLATED) {
|
6404 | strm.msg = 'unknown compression method';
|
6405 | state.mode = BAD;
|
6406 | break;
|
6407 | }
|
6408 | if (state.flags & 0xe000) {
|
6409 | strm.msg = 'unknown header flags set';
|
6410 | state.mode = BAD;
|
6411 | break;
|
6412 | }
|
6413 | if (state.head) {
|
6414 | state.head.text = ((hold >> 8) & 1);
|
6415 | }
|
6416 | if (state.flags & 0x0200) {
|
6417 |
|
6418 | hbuf[0] = hold & 0xff;
|
6419 | hbuf[1] = (hold >>> 8) & 0xff;
|
6420 | state.check = crc32(state.check, hbuf, 2, 0);
|
6421 |
|
6422 | }
|
6423 |
|
6424 | hold = 0;
|
6425 | bits = 0;
|
6426 |
|
6427 | state.mode = TIME;
|
6428 |
|
6429 | case TIME:
|
6430 |
|
6431 | while (bits < 32) {
|
6432 | if (have === 0) { break inf_leave; }
|
6433 | have--;
|
6434 | hold += input[next++] << bits;
|
6435 | bits += 8;
|
6436 | }
|
6437 |
|
6438 | if (state.head) {
|
6439 | state.head.time = hold;
|
6440 | }
|
6441 | if (state.flags & 0x0200) {
|
6442 |
|
6443 | hbuf[0] = hold & 0xff;
|
6444 | hbuf[1] = (hold >>> 8) & 0xff;
|
6445 | hbuf[2] = (hold >>> 16) & 0xff;
|
6446 | hbuf[3] = (hold >>> 24) & 0xff;
|
6447 | state.check = crc32(state.check, hbuf, 4, 0);
|
6448 |
|
6449 | }
|
6450 |
|
6451 | hold = 0;
|
6452 | bits = 0;
|
6453 |
|
6454 | state.mode = OS;
|
6455 |
|
6456 | case OS:
|
6457 |
|
6458 | while (bits < 16) {
|
6459 | if (have === 0) { break inf_leave; }
|
6460 | have--;
|
6461 | hold += input[next++] << bits;
|
6462 | bits += 8;
|
6463 | }
|
6464 |
|
6465 | if (state.head) {
|
6466 | state.head.xflags = (hold & 0xff);
|
6467 | state.head.os = (hold >> 8);
|
6468 | }
|
6469 | if (state.flags & 0x0200) {
|
6470 |
|
6471 | hbuf[0] = hold & 0xff;
|
6472 | hbuf[1] = (hold >>> 8) & 0xff;
|
6473 | state.check = crc32(state.check, hbuf, 2, 0);
|
6474 |
|
6475 | }
|
6476 |
|
6477 | hold = 0;
|
6478 | bits = 0;
|
6479 |
|
6480 | state.mode = EXLEN;
|
6481 |
|
6482 | case EXLEN:
|
6483 | if (state.flags & 0x0400) {
|
6484 |
|
6485 | while (bits < 16) {
|
6486 | if (have === 0) { break inf_leave; }
|
6487 | have--;
|
6488 | hold += input[next++] << bits;
|
6489 | bits += 8;
|
6490 | }
|
6491 |
|
6492 | state.length = hold;
|
6493 | if (state.head) {
|
6494 | state.head.extra_len = hold;
|
6495 | }
|
6496 | if (state.flags & 0x0200) {
|
6497 |
|
6498 | hbuf[0] = hold & 0xff;
|
6499 | hbuf[1] = (hold >>> 8) & 0xff;
|
6500 | state.check = crc32(state.check, hbuf, 2, 0);
|
6501 |
|
6502 | }
|
6503 |
|
6504 | hold = 0;
|
6505 | bits = 0;
|
6506 |
|
6507 | }
|
6508 | else if (state.head) {
|
6509 | state.head.extra = null;
|
6510 | }
|
6511 | state.mode = EXTRA;
|
6512 |
|
6513 | case EXTRA:
|
6514 | if (state.flags & 0x0400) {
|
6515 | copy = state.length;
|
6516 | if (copy > have) { copy = have; }
|
6517 | if (copy) {
|
6518 | if (state.head) {
|
6519 | len = state.head.extra_len - state.length;
|
6520 | if (!state.head.extra) {
|
6521 |
|
6522 | state.head.extra = new Array(state.head.extra_len);
|
6523 | }
|
6524 | utils.arraySet(
|
6525 | state.head.extra,
|
6526 | input,
|
6527 | next,
|
6528 |
|
6529 |
|
6530 | copy,
|
6531 |
|
6532 | len
|
6533 | );
|
6534 |
|
6535 |
|
6536 |
|
6537 | }
|
6538 | if (state.flags & 0x0200) {
|
6539 | state.check = crc32(state.check, input, copy, next);
|
6540 | }
|
6541 | have -= copy;
|
6542 | next += copy;
|
6543 | state.length -= copy;
|
6544 | }
|
6545 | if (state.length) { break inf_leave; }
|
6546 | }
|
6547 | state.length = 0;
|
6548 | state.mode = NAME;
|
6549 |
|
6550 | case NAME:
|
6551 | if (state.flags & 0x0800) {
|
6552 | if (have === 0) { break inf_leave; }
|
6553 | copy = 0;
|
6554 | do {
|
6555 |
|
6556 | len = input[next + copy++];
|
6557 |
|
6558 | if (state.head && len &&
|
6559 | (state.length < 65536 )) {
|
6560 | state.head.name += String.fromCharCode(len);
|
6561 | }
|
6562 | } while (len && copy < have);
|
6563 |
|
6564 | if (state.flags & 0x0200) {
|
6565 | state.check = crc32(state.check, input, copy, next);
|
6566 | }
|
6567 | have -= copy;
|
6568 | next += copy;
|
6569 | if (len) { break inf_leave; }
|
6570 | }
|
6571 | else if (state.head) {
|
6572 | state.head.name = null;
|
6573 | }
|
6574 | state.length = 0;
|
6575 | state.mode = COMMENT;
|
6576 |
|
6577 | case COMMENT:
|
6578 | if (state.flags & 0x1000) {
|
6579 | if (have === 0) { break inf_leave; }
|
6580 | copy = 0;
|
6581 | do {
|
6582 | len = input[next + copy++];
|
6583 |
|
6584 | if (state.head && len &&
|
6585 | (state.length < 65536 )) {
|
6586 | state.head.comment += String.fromCharCode(len);
|
6587 | }
|
6588 | } while (len && copy < have);
|
6589 | if (state.flags & 0x0200) {
|
6590 | state.check = crc32(state.check, input, copy, next);
|
6591 | }
|
6592 | have -= copy;
|
6593 | next += copy;
|
6594 | if (len) { break inf_leave; }
|
6595 | }
|
6596 | else if (state.head) {
|
6597 | state.head.comment = null;
|
6598 | }
|
6599 | state.mode = HCRC;
|
6600 |
|
6601 | case HCRC:
|
6602 | if (state.flags & 0x0200) {
|
6603 |
|
6604 | while (bits < 16) {
|
6605 | if (have === 0) { break inf_leave; }
|
6606 | have--;
|
6607 | hold += input[next++] << bits;
|
6608 | bits += 8;
|
6609 | }
|
6610 |
|
6611 | if (hold !== (state.check & 0xffff)) {
|
6612 | strm.msg = 'header crc mismatch';
|
6613 | state.mode = BAD;
|
6614 | break;
|
6615 | }
|
6616 |
|
6617 | hold = 0;
|
6618 | bits = 0;
|
6619 |
|
6620 | }
|
6621 | if (state.head) {
|
6622 | state.head.hcrc = ((state.flags >> 9) & 1);
|
6623 | state.head.done = true;
|
6624 | }
|
6625 | strm.adler = state.check = 0 ;
|
6626 | state.mode = TYPE;
|
6627 | break;
|
6628 | case DICTID:
|
6629 |
|
6630 | while (bits < 32) {
|
6631 | if (have === 0) { break inf_leave; }
|
6632 | have--;
|
6633 | hold += input[next++] << bits;
|
6634 | bits += 8;
|
6635 | }
|
6636 |
|
6637 | strm.adler = state.check = ZSWAP32(hold);
|
6638 |
|
6639 | hold = 0;
|
6640 | bits = 0;
|
6641 |
|
6642 | state.mode = DICT;
|
6643 |
|
6644 | case DICT:
|
6645 | if (state.havedict === 0) {
|
6646 |
|
6647 | strm.next_out = put;
|
6648 | strm.avail_out = left;
|
6649 | strm.next_in = next;
|
6650 | strm.avail_in = have;
|
6651 | state.hold = hold;
|
6652 | state.bits = bits;
|
6653 |
|
6654 | return Z_NEED_DICT;
|
6655 | }
|
6656 | strm.adler = state.check = 1;
|
6657 | state.mode = TYPE;
|
6658 |
|
6659 | case TYPE:
|
6660 | if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; }
|
6661 |
|
6662 | case TYPEDO:
|
6663 | if (state.last) {
|
6664 |
|
6665 | hold >>>= bits & 7;
|
6666 | bits -= bits & 7;
|
6667 |
|
6668 | state.mode = CHECK;
|
6669 | break;
|
6670 | }
|
6671 |
|
6672 | while (bits < 3) {
|
6673 | if (have === 0) { break inf_leave; }
|
6674 | have--;
|
6675 | hold += input[next++] << bits;
|
6676 | bits += 8;
|
6677 | }
|
6678 |
|
6679 | state.last = (hold & 0x01);
|
6680 |
|
6681 | hold >>>= 1;
|
6682 | bits -= 1;
|
6683 |
|
6684 |
|
6685 | switch ((hold & 0x03)) {
|
6686 | case 0:
|
6687 |
|
6688 |
|
6689 | state.mode = STORED;
|
6690 | break;
|
6691 | case 1:
|
6692 | fixedtables(state);
|
6693 |
|
6694 |
|
6695 | state.mode = LEN_;
|
6696 | if (flush === Z_TREES) {
|
6697 |
|
6698 | hold >>>= 2;
|
6699 | bits -= 2;
|
6700 |
|
6701 | break inf_leave;
|
6702 | }
|
6703 | break;
|
6704 | case 2:
|
6705 |
|
6706 |
|
6707 | state.mode = TABLE;
|
6708 | break;
|
6709 | case 3:
|
6710 | strm.msg = 'invalid block type';
|
6711 | state.mode = BAD;
|
6712 | }
|
6713 |
|
6714 | hold >>>= 2;
|
6715 | bits -= 2;
|
6716 |
|
6717 | break;
|
6718 | case STORED:
|
6719 |
|
6720 | hold >>>= bits & 7;
|
6721 | bits -= bits & 7;
|
6722 |
|
6723 |
|
6724 | while (bits < 32) {
|
6725 | if (have === 0) { break inf_leave; }
|
6726 | have--;
|
6727 | hold += input[next++] << bits;
|
6728 | bits += 8;
|
6729 | }
|
6730 |
|
6731 | if ((hold & 0xffff) !== ((hold >>> 16) ^ 0xffff)) {
|
6732 | strm.msg = 'invalid stored block lengths';
|
6733 | state.mode = BAD;
|
6734 | break;
|
6735 | }
|
6736 | state.length = hold & 0xffff;
|
6737 |
|
6738 |
|
6739 |
|
6740 | hold = 0;
|
6741 | bits = 0;
|
6742 |
|
6743 | state.mode = COPY_;
|
6744 | if (flush === Z_TREES) { break inf_leave; }
|
6745 |
|
6746 | case COPY_:
|
6747 | state.mode = COPY;
|
6748 |
|
6749 | case COPY:
|
6750 | copy = state.length;
|
6751 | if (copy) {
|
6752 | if (copy > have) { copy = have; }
|
6753 | if (copy > left) { copy = left; }
|
6754 | if (copy === 0) { break inf_leave; }
|
6755 |
|
6756 | utils.arraySet(output, input, next, copy, put);
|
6757 |
|
6758 | have -= copy;
|
6759 | next += copy;
|
6760 | left -= copy;
|
6761 | put += copy;
|
6762 | state.length -= copy;
|
6763 | break;
|
6764 | }
|
6765 |
|
6766 | state.mode = TYPE;
|
6767 | break;
|
6768 | case TABLE:
|
6769 |
|
6770 | while (bits < 14) {
|
6771 | if (have === 0) { break inf_leave; }
|
6772 | have--;
|
6773 | hold += input[next++] << bits;
|
6774 | bits += 8;
|
6775 | }
|
6776 |
|
6777 | state.nlen = (hold & 0x1f) + 257;
|
6778 |
|
6779 | hold >>>= 5;
|
6780 | bits -= 5;
|
6781 |
|
6782 | state.ndist = (hold & 0x1f) + 1;
|
6783 |
|
6784 | hold >>>= 5;
|
6785 | bits -= 5;
|
6786 |
|
6787 | state.ncode = (hold & 0x0f) + 4;
|
6788 |
|
6789 | hold >>>= 4;
|
6790 | bits -= 4;
|
6791 |
|
6792 |
|
6793 | if (state.nlen > 286 || state.ndist > 30) {
|
6794 | strm.msg = 'too many length or distance symbols';
|
6795 | state.mode = BAD;
|
6796 | break;
|
6797 | }
|
6798 |
|
6799 |
|
6800 | state.have = 0;
|
6801 | state.mode = LENLENS;
|
6802 |
|
6803 | case LENLENS:
|
6804 | while (state.have < state.ncode) {
|
6805 |
|
6806 | while (bits < 3) {
|
6807 | if (have === 0) { break inf_leave; }
|
6808 | have--;
|
6809 | hold += input[next++] << bits;
|
6810 | bits += 8;
|
6811 | }
|
6812 |
|
6813 | state.lens[order[state.have++]] = (hold & 0x07);
|
6814 |
|
6815 | hold >>>= 3;
|
6816 | bits -= 3;
|
6817 |
|
6818 | }
|
6819 | while (state.have < 19) {
|
6820 | state.lens[order[state.have++]] = 0;
|
6821 | }
|
6822 |
|
6823 |
|
6824 |
|
6825 |
|
6826 | state.lencode = state.lendyn;
|
6827 | state.lenbits = 7;
|
6828 |
|
6829 | opts = {bits: state.lenbits};
|
6830 | ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts);
|
6831 | state.lenbits = opts.bits;
|
6832 |
|
6833 | if (ret) {
|
6834 | strm.msg = 'invalid code lengths set';
|
6835 | state.mode = BAD;
|
6836 | break;
|
6837 | }
|
6838 |
|
6839 | state.have = 0;
|
6840 | state.mode = CODELENS;
|
6841 |
|
6842 | case CODELENS:
|
6843 | while (state.have < state.nlen + state.ndist) {
|
6844 | for (;;) {
|
6845 | here = state.lencode[hold & ((1 << state.lenbits) - 1)];
|
6846 | here_bits = here >>> 24;
|
6847 | here_op = (here >>> 16) & 0xff;
|
6848 | here_val = here & 0xffff;
|
6849 |
|
6850 | if ((here_bits) <= bits) { break; }
|
6851 |
|
6852 | if (have === 0) { break inf_leave; }
|
6853 | have--;
|
6854 | hold += input[next++] << bits;
|
6855 | bits += 8;
|
6856 |
|
6857 | }
|
6858 | if (here_val < 16) {
|
6859 |
|
6860 | hold >>>= here_bits;
|
6861 | bits -= here_bits;
|
6862 |
|
6863 | state.lens[state.have++] = here_val;
|
6864 | }
|
6865 | else {
|
6866 | if (here_val === 16) {
|
6867 |
|
6868 | n = here_bits + 2;
|
6869 | while (bits < n) {
|
6870 | if (have === 0) { break inf_leave; }
|
6871 | have--;
|
6872 | hold += input[next++] << bits;
|
6873 | bits += 8;
|
6874 | }
|
6875 |
|
6876 |
|
6877 | hold >>>= here_bits;
|
6878 | bits -= here_bits;
|
6879 |
|
6880 | if (state.have === 0) {
|
6881 | strm.msg = 'invalid bit length repeat';
|
6882 | state.mode = BAD;
|
6883 | break;
|
6884 | }
|
6885 | len = state.lens[state.have - 1];
|
6886 | copy = 3 + (hold & 0x03);
|
6887 |
|
6888 | hold >>>= 2;
|
6889 | bits -= 2;
|
6890 |
|
6891 | }
|
6892 | else if (here_val === 17) {
|
6893 |
|
6894 | n = here_bits + 3;
|
6895 | while (bits < n) {
|
6896 | if (have === 0) { break inf_leave; }
|
6897 | have--;
|
6898 | hold += input[next++] << bits;
|
6899 | bits += 8;
|
6900 | }
|
6901 |
|
6902 |
|
6903 | hold >>>= here_bits;
|
6904 | bits -= here_bits;
|
6905 |
|
6906 | len = 0;
|
6907 | copy = 3 + (hold & 0x07);
|
6908 |
|
6909 | hold >>>= 3;
|
6910 | bits -= 3;
|
6911 |
|
6912 | }
|
6913 | else {
|
6914 |
|
6915 | n = here_bits + 7;
|
6916 | while (bits < n) {
|
6917 | if (have === 0) { break inf_leave; }
|
6918 | have--;
|
6919 | hold += input[next++] << bits;
|
6920 | bits += 8;
|
6921 | }
|
6922 |
|
6923 |
|
6924 | hold >>>= here_bits;
|
6925 | bits -= here_bits;
|
6926 |
|
6927 | len = 0;
|
6928 | copy = 11 + (hold & 0x7f);
|
6929 |
|
6930 | hold >>>= 7;
|
6931 | bits -= 7;
|
6932 |
|
6933 | }
|
6934 | if (state.have + copy > state.nlen + state.ndist) {
|
6935 | strm.msg = 'invalid bit length repeat';
|
6936 | state.mode = BAD;
|
6937 | break;
|
6938 | }
|
6939 | while (copy--) {
|
6940 | state.lens[state.have++] = len;
|
6941 | }
|
6942 | }
|
6943 | }
|
6944 |
|
6945 |
|
6946 | if (state.mode === BAD) { break; }
|
6947 |
|
6948 |
|
6949 | if (state.lens[256] === 0) {
|
6950 | strm.msg = 'invalid code -- missing end-of-block';
|
6951 | state.mode = BAD;
|
6952 | break;
|
6953 | }
|
6954 |
|
6955 | |
6956 |
|
6957 |
|
6958 | state.lenbits = 9;
|
6959 |
|
6960 | opts = {bits: state.lenbits};
|
6961 | ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts);
|
6962 |
|
6963 |
|
6964 | state.lenbits = opts.bits;
|
6965 |
|
6966 |
|
6967 | if (ret) {
|
6968 | strm.msg = 'invalid literal/lengths set';
|
6969 | state.mode = BAD;
|
6970 | break;
|
6971 | }
|
6972 |
|
6973 | state.distbits = 6;
|
6974 |
|
6975 |
|
6976 | state.distcode = state.distdyn;
|
6977 | opts = {bits: state.distbits};
|
6978 | ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts);
|
6979 |
|
6980 |
|
6981 | state.distbits = opts.bits;
|
6982 |
|
6983 |
|
6984 | if (ret) {
|
6985 | strm.msg = 'invalid distances set';
|
6986 | state.mode = BAD;
|
6987 | break;
|
6988 | }
|
6989 |
|
6990 | state.mode = LEN_;
|
6991 | if (flush === Z_TREES) { break inf_leave; }
|
6992 |
|
6993 | case LEN_:
|
6994 | state.mode = LEN;
|
6995 |
|
6996 | case LEN:
|
6997 | if (have >= 6 && left >= 258) {
|
6998 |
|
6999 | strm.next_out = put;
|
7000 | strm.avail_out = left;
|
7001 | strm.next_in = next;
|
7002 | strm.avail_in = have;
|
7003 | state.hold = hold;
|
7004 | state.bits = bits;
|
7005 |
|
7006 | inflate_fast(strm, _out);
|
7007 |
|
7008 | put = strm.next_out;
|
7009 | output = strm.output;
|
7010 | left = strm.avail_out;
|
7011 | next = strm.next_in;
|
7012 | input = strm.input;
|
7013 | have = strm.avail_in;
|
7014 | hold = state.hold;
|
7015 | bits = state.bits;
|
7016 |
|
7017 |
|
7018 | if (state.mode === TYPE) {
|
7019 | state.back = -1;
|
7020 | }
|
7021 | break;
|
7022 | }
|
7023 | state.back = 0;
|
7024 | for (;;) {
|
7025 | here = state.lencode[hold & ((1 << state.lenbits) -1)];
|
7026 | here_bits = here >>> 24;
|
7027 | here_op = (here >>> 16) & 0xff;
|
7028 | here_val = here & 0xffff;
|
7029 |
|
7030 | if (here_bits <= bits) { break; }
|
7031 |
|
7032 | if (have === 0) { break inf_leave; }
|
7033 | have--;
|
7034 | hold += input[next++] << bits;
|
7035 | bits += 8;
|
7036 |
|
7037 | }
|
7038 | if (here_op && (here_op & 0xf0) === 0) {
|
7039 | last_bits = here_bits;
|
7040 | last_op = here_op;
|
7041 | last_val = here_val;
|
7042 | for (;;) {
|
7043 | here = state.lencode[last_val +
|
7044 | ((hold & ((1 << (last_bits + last_op)) -1)) >> last_bits)];
|
7045 | here_bits = here >>> 24;
|
7046 | here_op = (here >>> 16) & 0xff;
|
7047 | here_val = here & 0xffff;
|
7048 |
|
7049 | if ((last_bits + here_bits) <= bits) { break; }
|
7050 |
|
7051 | if (have === 0) { break inf_leave; }
|
7052 | have--;
|
7053 | hold += input[next++] << bits;
|
7054 | bits += 8;
|
7055 |
|
7056 | }
|
7057 |
|
7058 | hold >>>= last_bits;
|
7059 | bits -= last_bits;
|
7060 |
|
7061 | state.back += last_bits;
|
7062 | }
|
7063 |
|
7064 | hold >>>= here_bits;
|
7065 | bits -= here_bits;
|
7066 |
|
7067 | state.back += here_bits;
|
7068 | state.length = here_val;
|
7069 | if (here_op === 0) {
|
7070 |
|
7071 |
|
7072 |
|
7073 | state.mode = LIT;
|
7074 | break;
|
7075 | }
|
7076 | if (here_op & 32) {
|
7077 |
|
7078 | state.back = -1;
|
7079 | state.mode = TYPE;
|
7080 | break;
|
7081 | }
|
7082 | if (here_op & 64) {
|
7083 | strm.msg = 'invalid literal/length code';
|
7084 | state.mode = BAD;
|
7085 | break;
|
7086 | }
|
7087 | state.extra = here_op & 15;
|
7088 | state.mode = LENEXT;
|
7089 |
|
7090 | case LENEXT:
|
7091 | if (state.extra) {
|
7092 |
|
7093 | n = state.extra;
|
7094 | while (bits < n) {
|
7095 | if (have === 0) { break inf_leave; }
|
7096 | have--;
|
7097 | hold += input[next++] << bits;
|
7098 | bits += 8;
|
7099 | }
|
7100 |
|
7101 | state.length += hold & ((1 << state.extra) -1);
|
7102 |
|
7103 | hold >>>= state.extra;
|
7104 | bits -= state.extra;
|
7105 |
|
7106 | state.back += state.extra;
|
7107 | }
|
7108 |
|
7109 | state.was = state.length;
|
7110 | state.mode = DIST;
|
7111 |
|
7112 | case DIST:
|
7113 | for (;;) {
|
7114 | here = state.distcode[hold & ((1 << state.distbits) -1)];
|
7115 | here_bits = here >>> 24;
|
7116 | here_op = (here >>> 16) & 0xff;
|
7117 | here_val = here & 0xffff;
|
7118 |
|
7119 | if ((here_bits) <= bits) { break; }
|
7120 |
|
7121 | if (have === 0) { break inf_leave; }
|
7122 | have--;
|
7123 | hold += input[next++] << bits;
|
7124 | bits += 8;
|
7125 |
|
7126 | }
|
7127 | if ((here_op & 0xf0) === 0) {
|
7128 | last_bits = here_bits;
|
7129 | last_op = here_op;
|
7130 | last_val = here_val;
|
7131 | for (;;) {
|
7132 | here = state.distcode[last_val +
|
7133 | ((hold & ((1 << (last_bits + last_op)) -1)) >> last_bits)];
|
7134 | here_bits = here >>> 24;
|
7135 | here_op = (here >>> 16) & 0xff;
|
7136 | here_val = here & 0xffff;
|
7137 |
|
7138 | if ((last_bits + here_bits) <= bits) { break; }
|
7139 |
|
7140 | if (have === 0) { break inf_leave; }
|
7141 | have--;
|
7142 | hold += input[next++] << bits;
|
7143 | bits += 8;
|
7144 |
|
7145 | }
|
7146 |
|
7147 | hold >>>= last_bits;
|
7148 | bits -= last_bits;
|
7149 |
|
7150 | state.back += last_bits;
|
7151 | }
|
7152 |
|
7153 | hold >>>= here_bits;
|
7154 | bits -= here_bits;
|
7155 |
|
7156 | state.back += here_bits;
|
7157 | if (here_op & 64) {
|
7158 | strm.msg = 'invalid distance code';
|
7159 | state.mode = BAD;
|
7160 | break;
|
7161 | }
|
7162 | state.offset = here_val;
|
7163 | state.extra = (here_op) & 15;
|
7164 | state.mode = DISTEXT;
|
7165 |
|
7166 | case DISTEXT:
|
7167 | if (state.extra) {
|
7168 |
|
7169 | n = state.extra;
|
7170 | while (bits < n) {
|
7171 | if (have === 0) { break inf_leave; }
|
7172 | have--;
|
7173 | hold += input[next++] << bits;
|
7174 | bits += 8;
|
7175 | }
|
7176 |
|
7177 | state.offset += hold & ((1 << state.extra) -1);
|
7178 |
|
7179 | hold >>>= state.extra;
|
7180 | bits -= state.extra;
|
7181 |
|
7182 | state.back += state.extra;
|
7183 | }
|
7184 |
|
7185 | if (state.offset > state.dmax) {
|
7186 | strm.msg = 'invalid distance too far back';
|
7187 | state.mode = BAD;
|
7188 | break;
|
7189 | }
|
7190 |
|
7191 |
|
7192 | state.mode = MATCH;
|
7193 |
|
7194 | case MATCH:
|
7195 | if (left === 0) { break inf_leave; }
|
7196 | copy = _out - left;
|
7197 | if (state.offset > copy) {
|
7198 | copy = state.offset - copy;
|
7199 | if (copy > state.whave) {
|
7200 | if (state.sane) {
|
7201 | strm.msg = 'invalid distance too far back';
|
7202 | state.mode = BAD;
|
7203 | break;
|
7204 | }
|
7205 |
|
7206 |
|
7207 |
|
7208 |
|
7209 |
|
7210 |
|
7211 |
|
7212 |
|
7213 |
|
7214 |
|
7215 |
|
7216 |
|
7217 |
|
7218 |
|
7219 |
|
7220 | }
|
7221 | if (copy > state.wnext) {
|
7222 | copy -= state.wnext;
|
7223 | from = state.wsize - copy;
|
7224 | }
|
7225 | else {
|
7226 | from = state.wnext - copy;
|
7227 | }
|
7228 | if (copy > state.length) { copy = state.length; }
|
7229 | from_source = state.window;
|
7230 | }
|
7231 | else {
|
7232 | from_source = output;
|
7233 | from = put - state.offset;
|
7234 | copy = state.length;
|
7235 | }
|
7236 | if (copy > left) { copy = left; }
|
7237 | left -= copy;
|
7238 | state.length -= copy;
|
7239 | do {
|
7240 | output[put++] = from_source[from++];
|
7241 | } while (--copy);
|
7242 | if (state.length === 0) { state.mode = LEN; }
|
7243 | break;
|
7244 | case LIT:
|
7245 | if (left === 0) { break inf_leave; }
|
7246 | output[put++] = state.length;
|
7247 | left--;
|
7248 | state.mode = LEN;
|
7249 | break;
|
7250 | case CHECK:
|
7251 | if (state.wrap) {
|
7252 |
|
7253 | while (bits < 32) {
|
7254 | if (have === 0) { break inf_leave; }
|
7255 | have--;
|
7256 |
|
7257 | hold |= input[next++] << bits;
|
7258 | bits += 8;
|
7259 | }
|
7260 |
|
7261 | _out -= left;
|
7262 | strm.total_out += _out;
|
7263 | state.total += _out;
|
7264 | if (_out) {
|
7265 | strm.adler = state.check =
|
7266 |
|
7267 | (state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out));
|
7268 |
|
7269 | }
|
7270 | _out = left;
|
7271 |
|
7272 | if ((state.flags ? hold : ZSWAP32(hold)) !== state.check) {
|
7273 | strm.msg = 'incorrect data check';
|
7274 | state.mode = BAD;
|
7275 | break;
|
7276 | }
|
7277 |
|
7278 | hold = 0;
|
7279 | bits = 0;
|
7280 |
|
7281 |
|
7282 | }
|
7283 | state.mode = LENGTH;
|
7284 |
|
7285 | case LENGTH:
|
7286 | if (state.wrap && state.flags) {
|
7287 |
|
7288 | while (bits < 32) {
|
7289 | if (have === 0) { break inf_leave; }
|
7290 | have--;
|
7291 | hold += input[next++] << bits;
|
7292 | bits += 8;
|
7293 | }
|
7294 |
|
7295 | if (hold !== (state.total & 0xffffffff)) {
|
7296 | strm.msg = 'incorrect length check';
|
7297 | state.mode = BAD;
|
7298 | break;
|
7299 | }
|
7300 |
|
7301 | hold = 0;
|
7302 | bits = 0;
|
7303 |
|
7304 |
|
7305 | }
|
7306 | state.mode = DONE;
|
7307 |
|
7308 | case DONE:
|
7309 | ret = Z_STREAM_END;
|
7310 | break inf_leave;
|
7311 | case BAD:
|
7312 | ret = Z_DATA_ERROR;
|
7313 | break inf_leave;
|
7314 | case MEM:
|
7315 | return Z_MEM_ERROR;
|
7316 | case SYNC:
|
7317 |
|
7318 | default:
|
7319 | return Z_STREAM_ERROR;
|
7320 | }
|
7321 | }
|
7322 |
|
7323 |
|
7324 |
|
7325 | |
7326 |
|
7327 |
|
7328 |
|
7329 |
|
7330 |
|
7331 |
|
7332 |
|
7333 | strm.next_out = put;
|
7334 | strm.avail_out = left;
|
7335 | strm.next_in = next;
|
7336 | strm.avail_in = have;
|
7337 | state.hold = hold;
|
7338 | state.bits = bits;
|
7339 |
|
7340 |
|
7341 | if (state.wsize || (_out !== strm.avail_out && state.mode < BAD &&
|
7342 | (state.mode < CHECK || flush !== Z_FINISH))) {
|
7343 | if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) {
|
7344 | state.mode = MEM;
|
7345 | return Z_MEM_ERROR;
|
7346 | }
|
7347 | }
|
7348 | _in -= strm.avail_in;
|
7349 | _out -= strm.avail_out;
|
7350 | strm.total_in += _in;
|
7351 | strm.total_out += _out;
|
7352 | state.total += _out;
|
7353 | if (state.wrap && _out) {
|
7354 | strm.adler = state.check =
|
7355 | (state.flags ? crc32(state.check, output, _out, strm.next_out - _out) : adler32(state.check, output, _out, strm.next_out - _out));
|
7356 | }
|
7357 | strm.data_type = state.bits + (state.last ? 64 : 0) +
|
7358 | (state.mode === TYPE ? 128 : 0) +
|
7359 | (state.mode === LEN_ || state.mode === COPY_ ? 256 : 0);
|
7360 | if (((_in === 0 && _out === 0) || flush === Z_FINISH) && ret === Z_OK) {
|
7361 | ret = Z_BUF_ERROR;
|
7362 | }
|
7363 | return ret;
|
7364 | }
|
7365 |
|
7366 | function inflateEnd(strm) {
|
7367 |
|
7368 | if (!strm || !strm.state ) {
|
7369 | return Z_STREAM_ERROR;
|
7370 | }
|
7371 |
|
7372 | var state = strm.state;
|
7373 | if (state.window) {
|
7374 | state.window = null;
|
7375 | }
|
7376 | strm.state = null;
|
7377 | return Z_OK;
|
7378 | }
|
7379 |
|
7380 | function inflateGetHeader(strm, head) {
|
7381 | var state;
|
7382 |
|
7383 |
|
7384 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
7385 | state = strm.state;
|
7386 | if ((state.wrap & 2) === 0) { return Z_STREAM_ERROR; }
|
7387 |
|
7388 |
|
7389 | state.head = head;
|
7390 | head.done = false;
|
7391 | return Z_OK;
|
7392 | }
|
7393 |
|
7394 |
|
7395 | exports.inflateReset = inflateReset;
|
7396 | exports.inflateReset2 = inflateReset2;
|
7397 | exports.inflateResetKeep = inflateResetKeep;
|
7398 | exports.inflateInit = inflateInit;
|
7399 | exports.inflateInit2 = inflateInit2;
|
7400 | exports.inflate = inflate;
|
7401 | exports.inflateEnd = inflateEnd;
|
7402 | exports.inflateGetHeader = inflateGetHeader;
|
7403 | exports.inflateInfo = 'pako inflate (from Nodeca project)';
|
7404 |
|
7405 |
|
7406 |
|
7407 |
|
7408 |
|
7409 |
|
7410 |
|
7411 |
|
7412 |
|
7413 |
|
7414 |
|
7415 | },{"../utils/common":27,"./adler32":29,"./crc32":31,"./inffast":34,"./inftrees":36}],36:[function(_dereq_,module,exports){
|
7416 | 'use strict';
|
7417 |
|
7418 |
|
7419 | var utils = _dereq_('../utils/common');
|
7420 |
|
7421 | var MAXBITS = 15;
|
7422 | var ENOUGH_LENS = 852;
|
7423 | var ENOUGH_DISTS = 592;
|
7424 |
|
7425 |
|
7426 | var CODES = 0;
|
7427 | var LENS = 1;
|
7428 | var DISTS = 2;
|
7429 |
|
7430 | var lbase = [
|
7431 | 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
|
7432 | 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
|
7433 | ];
|
7434 |
|
7435 | var lext = [
|
7436 | 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
|
7437 | 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78
|
7438 | ];
|
7439 |
|
7440 | var dbase = [
|
7441 | 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
|
7442 | 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
|
7443 | 8193, 12289, 16385, 24577, 0, 0
|
7444 | ];
|
7445 |
|
7446 | var dext = [
|
7447 | 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
|
7448 | 23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
|
7449 | 28, 28, 29, 29, 64, 64
|
7450 | ];
|
7451 |
|
7452 | module.exports = function inflate_table(type, lens, lens_index, codes, table, table_index, work, opts)
|
7453 | {
|
7454 | var bits = opts.bits;
|
7455 |
|
7456 |
|
7457 | var len = 0;
|
7458 | var sym = 0;
|
7459 | var min = 0, max = 0;
|
7460 | var root = 0;
|
7461 | var curr = 0;
|
7462 | var drop = 0;
|
7463 | var left = 0;
|
7464 | var used = 0;
|
7465 | var huff = 0;
|
7466 | var incr;
|
7467 | var fill;
|
7468 | var low;
|
7469 | var mask;
|
7470 | var next;
|
7471 | var base = null;
|
7472 | var base_index = 0;
|
7473 |
|
7474 | var end;
|
7475 | var count = new utils.Buf16(MAXBITS+1);
|
7476 | var offs = new utils.Buf16(MAXBITS+1);
|
7477 | var extra = null;
|
7478 | var extra_index = 0;
|
7479 |
|
7480 | var here_bits, here_op, here_val;
|
7481 |
|
7482 | |
7483 |
|
7484 |
|
7485 |
|
7486 |
|
7487 |
|
7488 |
|
7489 |
|
7490 |
|
7491 |
|
7492 |
|
7493 |
|
7494 |
|
7495 |
|
7496 |
|
7497 |
|
7498 |
|
7499 |
|
7500 |
|
7501 |
|
7502 |
|
7503 |
|
7504 |
|
7505 |
|
7506 |
|
7507 |
|
7508 |
|
7509 |
|
7510 |
|
7511 |
|
7512 |
|
7513 |
|
7514 | for (len = 0; len <= MAXBITS; len++) {
|
7515 | count[len] = 0;
|
7516 | }
|
7517 | for (sym = 0; sym < codes; sym++) {
|
7518 | count[lens[lens_index + sym]]++;
|
7519 | }
|
7520 |
|
7521 |
|
7522 | root = bits;
|
7523 | for (max = MAXBITS; max >= 1; max--) {
|
7524 | if (count[max] !== 0) { break; }
|
7525 | }
|
7526 | if (root > max) {
|
7527 | root = max;
|
7528 | }
|
7529 | if (max === 0) {
|
7530 |
|
7531 |
|
7532 |
|
7533 | table[table_index++] = (1 << 24) | (64 << 16) | 0;
|
7534 |
|
7535 |
|
7536 |
|
7537 |
|
7538 |
|
7539 | table[table_index++] = (1 << 24) | (64 << 16) | 0;
|
7540 |
|
7541 | opts.bits = 1;
|
7542 | return 0;
|
7543 | }
|
7544 | for (min = 1; min < max; min++) {
|
7545 | if (count[min] !== 0) { break; }
|
7546 | }
|
7547 | if (root < min) {
|
7548 | root = min;
|
7549 | }
|
7550 |
|
7551 |
|
7552 | left = 1;
|
7553 | for (len = 1; len <= MAXBITS; len++) {
|
7554 | left <<= 1;
|
7555 | left -= count[len];
|
7556 | if (left < 0) {
|
7557 | return -1;
|
7558 | }
|
7559 | }
|
7560 | if (left > 0 && (type === CODES || max !== 1)) {
|
7561 | return -1;
|
7562 | }
|
7563 |
|
7564 |
|
7565 | offs[1] = 0;
|
7566 | for (len = 1; len < MAXBITS; len++) {
|
7567 | offs[len + 1] = offs[len] + count[len];
|
7568 | }
|
7569 |
|
7570 |
|
7571 | for (sym = 0; sym < codes; sym++) {
|
7572 | if (lens[lens_index + sym] !== 0) {
|
7573 | work[offs[lens[lens_index + sym]]++] = sym;
|
7574 | }
|
7575 | }
|
7576 |
|
7577 | |
7578 |
|
7579 |
|
7580 |
|
7581 |
|
7582 |
|
7583 |
|
7584 |
|
7585 |
|
7586 |
|
7587 |
|
7588 |
|
7589 |
|
7590 |
|
7591 |
|
7592 |
|
7593 |
|
7594 |
|
7595 |
|
7596 |
|
7597 |
|
7598 |
|
7599 |
|
7600 |
|
7601 |
|
7602 |
|
7603 |
|
7604 |
|
7605 |
|
7606 |
|
7607 |
|
7608 |
|
7609 |
|
7610 |
|
7611 | if (type === CODES) {
|
7612 | base = extra = work;
|
7613 | end = 19;
|
7614 | } else if (type === LENS) {
|
7615 | base = lbase;
|
7616 | base_index -= 257;
|
7617 | extra = lext;
|
7618 | extra_index -= 257;
|
7619 | end = 256;
|
7620 | } else {
|
7621 | base = dbase;
|
7622 | extra = dext;
|
7623 | end = -1;
|
7624 | }
|
7625 |
|
7626 |
|
7627 | huff = 0;
|
7628 | sym = 0;
|
7629 | len = min;
|
7630 | next = table_index;
|
7631 | curr = root;
|
7632 | drop = 0;
|
7633 | low = -1;
|
7634 | used = 1 << root;
|
7635 | mask = used - 1;
|
7636 |
|
7637 |
|
7638 | if ((type === LENS && used > ENOUGH_LENS) ||
|
7639 | (type === DISTS && used > ENOUGH_DISTS)) {
|
7640 | return 1;
|
7641 | }
|
7642 |
|
7643 | var i=0;
|
7644 |
|
7645 | for (;;) {
|
7646 | i++;
|
7647 |
|
7648 | here_bits = len - drop;
|
7649 | if (work[sym] < end) {
|
7650 | here_op = 0;
|
7651 | here_val = work[sym];
|
7652 | }
|
7653 | else if (work[sym] > end) {
|
7654 | here_op = extra[extra_index + work[sym]];
|
7655 | here_val = base[base_index + work[sym]];
|
7656 | }
|
7657 | else {
|
7658 | here_op = 32 + 64;
|
7659 | here_val = 0;
|
7660 | }
|
7661 |
|
7662 |
|
7663 | incr = 1 << (len - drop);
|
7664 | fill = 1 << curr;
|
7665 | min = fill;
|
7666 | do {
|
7667 | fill -= incr;
|
7668 | table[next + (huff >> drop) + fill] = (here_bits << 24) | (here_op << 16) | here_val |0;
|
7669 | } while (fill !== 0);
|
7670 |
|
7671 |
|
7672 | incr = 1 << (len - 1);
|
7673 | while (huff & incr) {
|
7674 | incr >>= 1;
|
7675 | }
|
7676 | if (incr !== 0) {
|
7677 | huff &= incr - 1;
|
7678 | huff += incr;
|
7679 | } else {
|
7680 | huff = 0;
|
7681 | }
|
7682 |
|
7683 |
|
7684 | sym++;
|
7685 | if (--count[len] === 0) {
|
7686 | if (len === max) { break; }
|
7687 | len = lens[lens_index + work[sym]];
|
7688 | }
|
7689 |
|
7690 |
|
7691 | if (len > root && (huff & mask) !== low) {
|
7692 |
|
7693 | if (drop === 0) {
|
7694 | drop = root;
|
7695 | }
|
7696 |
|
7697 |
|
7698 | next += min;
|
7699 |
|
7700 |
|
7701 | curr = len - drop;
|
7702 | left = 1 << curr;
|
7703 | while (curr + drop < max) {
|
7704 | left -= count[curr + drop];
|
7705 | if (left <= 0) { break; }
|
7706 | curr++;
|
7707 | left <<= 1;
|
7708 | }
|
7709 |
|
7710 |
|
7711 | used += 1 << curr;
|
7712 | if ((type === LENS && used > ENOUGH_LENS) ||
|
7713 | (type === DISTS && used > ENOUGH_DISTS)) {
|
7714 | return 1;
|
7715 | }
|
7716 |
|
7717 |
|
7718 | low = huff & mask;
|
7719 | |
7720 |
|
7721 |
|
7722 | table[low] = (root << 24) | (curr << 16) | (next - table_index) |0;
|
7723 | }
|
7724 | }
|
7725 |
|
7726 | |
7727 |
|
7728 |
|
7729 | if (huff !== 0) {
|
7730 |
|
7731 |
|
7732 |
|
7733 | table[next + huff] = ((len - drop) << 24) | (64 << 16) |0;
|
7734 | }
|
7735 |
|
7736 |
|
7737 |
|
7738 | opts.bits = root;
|
7739 | return 0;
|
7740 | };
|
7741 |
|
7742 | },{"../utils/common":27}],37:[function(_dereq_,module,exports){
|
7743 | 'use strict';
|
7744 |
|
7745 | module.exports = {
|
7746 | '2': 'need dictionary',
|
7747 | '1': 'stream end',
|
7748 | '0': '',
|
7749 | '-1': 'file error',
|
7750 | '-2': 'stream error',
|
7751 | '-3': 'data error',
|
7752 | '-4': 'insufficient memory',
|
7753 | '-5': 'buffer error',
|
7754 | '-6': 'incompatible version'
|
7755 | };
|
7756 | },{}],38:[function(_dereq_,module,exports){
|
7757 | 'use strict';
|
7758 |
|
7759 |
|
7760 | var utils = _dereq_('../utils/common');
|
7761 |
|
7762 |
|
7763 |
|
7764 |
|
7765 |
|
7766 |
|
7767 |
|
7768 |
|
7769 | var Z_FIXED = 4;
|
7770 |
|
7771 |
|
7772 |
|
7773 | var Z_BINARY = 0;
|
7774 | var Z_TEXT = 1;
|
7775 |
|
7776 | var Z_UNKNOWN = 2;
|
7777 |
|
7778 |
|
7779 |
|
7780 |
|
7781 | function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
|
7782 |
|
7783 |
|
7784 |
|
7785 | var STORED_BLOCK = 0;
|
7786 | var STATIC_TREES = 1;
|
7787 | var DYN_TREES = 2;
|
7788 |
|
7789 |
|
7790 | var MIN_MATCH = 3;
|
7791 | var MAX_MATCH = 258;
|
7792 |
|
7793 |
|
7794 |
|
7795 |
|
7796 |
|
7797 |
|
7798 |
|
7799 | var LENGTH_CODES = 29;
|
7800 |
|
7801 |
|
7802 | var LITERALS = 256;
|
7803 |
|
7804 |
|
7805 | var L_CODES = LITERALS + 1 + LENGTH_CODES;
|
7806 |
|
7807 |
|
7808 | var D_CODES = 30;
|
7809 |
|
7810 |
|
7811 | var BL_CODES = 19;
|
7812 |
|
7813 |
|
7814 | var HEAP_SIZE = 2*L_CODES + 1;
|
7815 |
|
7816 |
|
7817 | var MAX_BITS = 15;
|
7818 |
|
7819 |
|
7820 | var Buf_size = 16;
|
7821 |
|
7822 |
|
7823 |
|
7824 |
|
7825 |
|
7826 |
|
7827 |
|
7828 | var MAX_BL_BITS = 7;
|
7829 |
|
7830 |
|
7831 | var END_BLOCK = 256;
|
7832 |
|
7833 |
|
7834 | var REP_3_6 = 16;
|
7835 |
|
7836 |
|
7837 | var REPZ_3_10 = 17;
|
7838 |
|
7839 |
|
7840 | var REPZ_11_138 = 18;
|
7841 |
|
7842 |
|
7843 | var extra_lbits =
|
7844 | [0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];
|
7845 |
|
7846 | var extra_dbits =
|
7847 | [0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];
|
7848 |
|
7849 | var extra_blbits =
|
7850 | [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];
|
7851 |
|
7852 | var bl_order =
|
7853 | [16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];
|
7854 |
|
7855 |
|
7856 |
|
7857 |
|
7858 |
|
7859 |
|
7860 |
|
7861 |
|
7862 |
|
7863 |
|
7864 | var DIST_CODE_LEN = 512;
|
7865 |
|
7866 |
|
7867 | var static_ltree = new Array((L_CODES+2) * 2);
|
7868 | zero(static_ltree);
|
7869 |
|
7870 |
|
7871 |
|
7872 |
|
7873 |
|
7874 |
|
7875 | var static_dtree = new Array(D_CODES * 2);
|
7876 | zero(static_dtree);
|
7877 |
|
7878 |
|
7879 |
|
7880 |
|
7881 | var _dist_code = new Array(DIST_CODE_LEN);
|
7882 | zero(_dist_code);
|
7883 |
|
7884 |
|
7885 |
|
7886 |
|
7887 |
|
7888 | var _length_code = new Array(MAX_MATCH-MIN_MATCH+1);
|
7889 | zero(_length_code);
|
7890 |
|
7891 |
|
7892 | var base_length = new Array(LENGTH_CODES);
|
7893 | zero(base_length);
|
7894 |
|
7895 |
|
7896 | var base_dist = new Array(D_CODES);
|
7897 | zero(base_dist);
|
7898 |
|
7899 |
|
7900 |
|
7901 | var StaticTreeDesc = function (static_tree, extra_bits, extra_base, elems, max_length) {
|
7902 |
|
7903 | this.static_tree = static_tree;
|
7904 | this.extra_bits = extra_bits;
|
7905 | this.extra_base = extra_base;
|
7906 | this.elems = elems;
|
7907 | this.max_length = max_length;
|
7908 |
|
7909 |
|
7910 | this.has_stree = static_tree && static_tree.length;
|
7911 | };
|
7912 |
|
7913 |
|
7914 | var static_l_desc;
|
7915 | var static_d_desc;
|
7916 | var static_bl_desc;
|
7917 |
|
7918 |
|
7919 | var TreeDesc = function(dyn_tree, stat_desc) {
|
7920 | this.dyn_tree = dyn_tree;
|
7921 | this.max_code = 0;
|
7922 | this.stat_desc = stat_desc;
|
7923 | };
|
7924 |
|
7925 |
|
7926 |
|
7927 | function d_code(dist) {
|
7928 | return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)];
|
7929 | }
|
7930 |
|
7931 |
|
7932 |
|
7933 |
|
7934 |
|
7935 |
|
7936 | function put_short (s, w) {
|
7937 |
|
7938 |
|
7939 | s.pending_buf[s.pending++] = (w) & 0xff;
|
7940 | s.pending_buf[s.pending++] = (w >>> 8) & 0xff;
|
7941 | }
|
7942 |
|
7943 |
|
7944 |
|
7945 |
|
7946 |
|
7947 |
|
7948 | function send_bits(s, value, length) {
|
7949 | if (s.bi_valid > (Buf_size - length)) {
|
7950 | s.bi_buf |= (value << s.bi_valid) & 0xffff;
|
7951 | put_short(s, s.bi_buf);
|
7952 | s.bi_buf = value >> (Buf_size - s.bi_valid);
|
7953 | s.bi_valid += length - Buf_size;
|
7954 | } else {
|
7955 | s.bi_buf |= (value << s.bi_valid) & 0xffff;
|
7956 | s.bi_valid += length;
|
7957 | }
|
7958 | }
|
7959 |
|
7960 |
|
7961 | function send_code(s, c, tree) {
|
7962 | send_bits(s, tree[c*2], tree[c*2 + 1]);
|
7963 | }
|
7964 |
|
7965 |
|
7966 |
|
7967 |
|
7968 |
|
7969 |
|
7970 |
|
7971 | function bi_reverse(code, len) {
|
7972 | var res = 0;
|
7973 | do {
|
7974 | res |= code & 1;
|
7975 | code >>>= 1;
|
7976 | res <<= 1;
|
7977 | } while (--len > 0);
|
7978 | return res >>> 1;
|
7979 | }
|
7980 |
|
7981 |
|
7982 |
|
7983 |
|
7984 |
|
7985 | function bi_flush(s) {
|
7986 | if (s.bi_valid === 16) {
|
7987 | put_short(s, s.bi_buf);
|
7988 | s.bi_buf = 0;
|
7989 | s.bi_valid = 0;
|
7990 |
|
7991 | } else if (s.bi_valid >= 8) {
|
7992 | s.pending_buf[s.pending++] = s.bi_buf & 0xff;
|
7993 | s.bi_buf >>= 8;
|
7994 | s.bi_valid -= 8;
|
7995 | }
|
7996 | }
|
7997 |
|
7998 |
|
7999 |
|
8000 |
|
8001 |
|
8002 |
|
8003 |
|
8004 |
|
8005 |
|
8006 |
|
8007 |
|
8008 |
|
8009 | function gen_bitlen(s, desc)
|
8010 | // deflate_state *s;
|
8011 | // tree_desc *desc; /* the tree descriptor */
|
8012 | {
|
8013 | var tree = desc.dyn_tree;
|
8014 | var max_code = desc.max_code;
|
8015 | var stree = desc.stat_desc.static_tree;
|
8016 | var has_stree = desc.stat_desc.has_stree;
|
8017 | var extra = desc.stat_desc.extra_bits;
|
8018 | var base = desc.stat_desc.extra_base;
|
8019 | var max_length = desc.stat_desc.max_length;
|
8020 | var h;
|
8021 | var n, m;
|
8022 | var bits;
|
8023 | var xbits;
|
8024 | var f;
|
8025 | var overflow = 0;
|
8026 |
|
8027 | for (bits = 0; bits <= MAX_BITS; bits++) {
|
8028 | s.bl_count[bits] = 0;
|
8029 | }
|
8030 |
|
8031 | |
8032 |
|
8033 |
|
8034 | tree[s.heap[s.heap_max]*2 + 1] = 0;
|
8035 |
|
8036 | for (h = s.heap_max+1; h < HEAP_SIZE; h++) {
|
8037 | n = s.heap[h];
|
8038 | bits = tree[tree[n*2 +1] * 2 + 1] + 1;
|
8039 | if (bits > max_length) {
|
8040 | bits = max_length;
|
8041 | overflow++;
|
8042 | }
|
8043 | tree[n*2 + 1] = bits;
|
8044 |
|
8045 |
|
8046 | if (n > max_code) { continue; }
|
8047 |
|
8048 | s.bl_count[bits]++;
|
8049 | xbits = 0;
|
8050 | if (n >= base) {
|
8051 | xbits = extra[n-base];
|
8052 | }
|
8053 | f = tree[n * 2];
|
8054 | s.opt_len += f * (bits + xbits);
|
8055 | if (has_stree) {
|
8056 | s.static_len += f * (stree[n*2 + 1] + xbits);
|
8057 | }
|
8058 | }
|
8059 | if (overflow === 0) { return; }
|
8060 |
|
8061 |
|
8062 |
|
8063 |
|
8064 |
|
8065 | do {
|
8066 | bits = max_length-1;
|
8067 | while (s.bl_count[bits] === 0) { bits--; }
|
8068 | s.bl_count[bits]--;
|
8069 | s.bl_count[bits+1] += 2;
|
8070 | s.bl_count[max_length]--;
|
8071 | |
8072 |
|
8073 |
|
8074 | overflow -= 2;
|
8075 | } while (overflow > 0);
|
8076 |
|
8077 | |
8078 |
|
8079 |
|
8080 |
|
8081 |
|
8082 | for (bits = max_length; bits !== 0; bits--) {
|
8083 | n = s.bl_count[bits];
|
8084 | while (n !== 0) {
|
8085 | m = s.heap[--h];
|
8086 | if (m > max_code) { continue; }
|
8087 | if (tree[m*2 + 1] !== bits) {
|
8088 |
|
8089 | s.opt_len += (bits - tree[m*2 + 1])*tree[m*2];
|
8090 | tree[m*2 + 1] = bits;
|
8091 | }
|
8092 | n--;
|
8093 | }
|
8094 | }
|
8095 | }
|
8096 |
|
8097 |
|
8098 |
|
8099 |
|
8100 |
|
8101 |
|
8102 |
|
8103 |
|
8104 |
|
8105 |
|
8106 | function gen_codes(tree, max_code, bl_count)
|
8107 | // ct_data *tree; /* the tree to decorate */
|
8108 | // int max_code; /* largest code with non zero frequency */
|
8109 | // ushf *bl_count; /* number of codes at each bit length */
|
8110 | {
|
8111 | var next_code = new Array(MAX_BITS+1);
|
8112 | var code = 0;
|
8113 | var bits;
|
8114 | var n;
|
8115 |
|
8116 | |
8117 |
|
8118 |
|
8119 | for (bits = 1; bits <= MAX_BITS; bits++) {
|
8120 | next_code[bits] = code = (code + bl_count[bits-1]) << 1;
|
8121 | }
|
8122 | |
8123 |
|
8124 |
|
8125 |
|
8126 |
|
8127 |
|
8128 |
|
8129 | for (n = 0; n <= max_code; n++) {
|
8130 | var len = tree[n*2 + 1];
|
8131 | if (len === 0) { continue; }
|
8132 |
|
8133 | tree[n*2] = bi_reverse(next_code[len]++, len);
|
8134 |
|
8135 |
|
8136 |
|
8137 | }
|
8138 | }
|
8139 |
|
8140 |
|
8141 |
|
8142 |
|
8143 |
|
8144 | function tr_static_init() {
|
8145 | var n;
|
8146 | var bits;
|
8147 | var length;
|
8148 | var code;
|
8149 | var dist;
|
8150 | var bl_count = new Array(MAX_BITS+1);
|
8151 |
|
8152 |
|
8153 |
|
8154 |
|
8155 |
|
8156 |
|
8157 |
|
8158 |
|
8159 |
|
8160 |
|
8161 |
|
8162 |
|
8163 |
|
8164 |
|
8165 |
|
8166 | length = 0;
|
8167 | for (code = 0; code < LENGTH_CODES-1; code++) {
|
8168 | base_length[code] = length;
|
8169 | for (n = 0; n < (1<<extra_lbits[code]); n++) {
|
8170 | _length_code[length++] = code;
|
8171 | }
|
8172 | }
|
8173 |
|
8174 | |
8175 |
|
8176 |
|
8177 |
|
8178 | _length_code[length-1] = code;
|
8179 |
|
8180 |
|
8181 | dist = 0;
|
8182 | for (code = 0 ; code < 16; code++) {
|
8183 | base_dist[code] = dist;
|
8184 | for (n = 0; n < (1<<extra_dbits[code]); n++) {
|
8185 | _dist_code[dist++] = code;
|
8186 | }
|
8187 | }
|
8188 |
|
8189 | dist >>= 7;
|
8190 | for ( ; code < D_CODES; code++) {
|
8191 | base_dist[code] = dist << 7;
|
8192 | for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) {
|
8193 | _dist_code[256 + dist++] = code;
|
8194 | }
|
8195 | }
|
8196 |
|
8197 |
|
8198 |
|
8199 | for (bits = 0; bits <= MAX_BITS; bits++) {
|
8200 | bl_count[bits] = 0;
|
8201 | }
|
8202 |
|
8203 | n = 0;
|
8204 | while (n <= 143) {
|
8205 | static_ltree[n*2 + 1] = 8;
|
8206 | n++;
|
8207 | bl_count[8]++;
|
8208 | }
|
8209 | while (n <= 255) {
|
8210 | static_ltree[n*2 + 1] = 9;
|
8211 | n++;
|
8212 | bl_count[9]++;
|
8213 | }
|
8214 | while (n <= 279) {
|
8215 | static_ltree[n*2 + 1] = 7;
|
8216 | n++;
|
8217 | bl_count[7]++;
|
8218 | }
|
8219 | while (n <= 287) {
|
8220 | static_ltree[n*2 + 1] = 8;
|
8221 | n++;
|
8222 | bl_count[8]++;
|
8223 | }
|
8224 | |
8225 |
|
8226 |
|
8227 |
|
8228 | gen_codes(static_ltree, L_CODES+1, bl_count);
|
8229 |
|
8230 |
|
8231 | for (n = 0; n < D_CODES; n++) {
|
8232 | static_dtree[n*2 + 1] = 5;
|
8233 | static_dtree[n*2] = bi_reverse(n, 5);
|
8234 | }
|
8235 |
|
8236 |
|
8237 | static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS);
|
8238 | static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0, D_CODES, MAX_BITS);
|
8239 | static_bl_desc =new StaticTreeDesc(new Array(0), extra_blbits, 0, BL_CODES, MAX_BL_BITS);
|
8240 |
|
8241 |
|
8242 | }
|
8243 |
|
8244 |
|
8245 |
|
8246 |
|
8247 |
|
8248 | function init_block(s) {
|
8249 | var n;
|
8250 |
|
8251 |
|
8252 | for (n = 0; n < L_CODES; n++) { s.dyn_ltree[n*2] = 0; }
|
8253 | for (n = 0; n < D_CODES; n++) { s.dyn_dtree[n*2] = 0; }
|
8254 | for (n = 0; n < BL_CODES; n++) { s.bl_tree[n*2] = 0; }
|
8255 |
|
8256 | s.dyn_ltree[END_BLOCK*2] = 1;
|
8257 | s.opt_len = s.static_len = 0;
|
8258 | s.last_lit = s.matches = 0;
|
8259 | }
|
8260 |
|
8261 |
|
8262 |
|
8263 |
|
8264 |
|
8265 | function bi_windup(s)
|
8266 | {
|
8267 | if (s.bi_valid > 8) {
|
8268 | put_short(s, s.bi_buf);
|
8269 | } else if (s.bi_valid > 0) {
|
8270 |
|
8271 | s.pending_buf[s.pending++] = s.bi_buf;
|
8272 | }
|
8273 | s.bi_buf = 0;
|
8274 | s.bi_valid = 0;
|
8275 | }
|
8276 |
|
8277 |
|
8278 |
|
8279 |
|
8280 |
|
8281 | function copy_block(s, buf, len, header)
|
8282 | //DeflateState *s;
|
8283 | //charf *buf; /* the input data */
|
8284 | //unsigned len; /* its length */
|
8285 | //int header; /* true if block header must be written */
|
8286 | {
|
8287 | bi_windup(s);
|
8288 |
|
8289 | if (header) {
|
8290 | put_short(s, len);
|
8291 | put_short(s, ~len);
|
8292 | }
|
8293 |
|
8294 |
|
8295 |
|
8296 | utils.arraySet(s.pending_buf, s.window, buf, len, s.pending);
|
8297 | s.pending += len;
|
8298 | }
|
8299 |
|
8300 |
|
8301 |
|
8302 |
|
8303 |
|
8304 | function smaller(tree, n, m, depth) {
|
8305 | var _n2 = n*2;
|
8306 | var _m2 = m*2;
|
8307 | return (tree[_n2] < tree[_m2] ||
|
8308 | (tree[_n2] === tree[_m2] && depth[n] <= depth[m]));
|
8309 | }
|
8310 |
|
8311 |
|
8312 |
|
8313 |
|
8314 |
|
8315 |
|
8316 |
|
8317 | function pqdownheap(s, tree, k)
|
8318 | // deflate_state *s;
|
8319 | // ct_data *tree; /* the tree to restore */
|
8320 | // int k; /* node to move down */
|
8321 | {
|
8322 | var v = s.heap[k];
|
8323 | var j = k << 1;
|
8324 | while (j <= s.heap_len) {
|
8325 |
|
8326 | if (j < s.heap_len &&
|
8327 | smaller(tree, s.heap[j+1], s.heap[j], s.depth)) {
|
8328 | j++;
|
8329 | }
|
8330 |
|
8331 | if (smaller(tree, v, s.heap[j], s.depth)) { break; }
|
8332 |
|
8333 |
|
8334 | s.heap[k] = s.heap[j];
|
8335 | k = j;
|
8336 |
|
8337 |
|
8338 | j <<= 1;
|
8339 | }
|
8340 | s.heap[k] = v;
|
8341 | }
|
8342 |
|
8343 |
|
8344 |
|
8345 |
|
8346 |
|
8347 |
|
8348 |
|
8349 |
|
8350 | function compress_block(s, ltree, dtree)
|
8351 | // deflate_state *s;
|
8352 | // const ct_data *ltree; /* literal tree */
|
8353 | // const ct_data *dtree; /* distance tree */
|
8354 | {
|
8355 | var dist;
|
8356 | var lc;
|
8357 | var lx = 0;
|
8358 | var code;
|
8359 | var extra;
|
8360 |
|
8361 | if (s.last_lit !== 0) {
|
8362 | do {
|
8363 | dist = (s.pending_buf[s.d_buf + lx*2] << 8) | (s.pending_buf[s.d_buf + lx*2 + 1]);
|
8364 | lc = s.pending_buf[s.l_buf + lx];
|
8365 | lx++;
|
8366 |
|
8367 | if (dist === 0) {
|
8368 | send_code(s, lc, ltree);
|
8369 |
|
8370 | } else {
|
8371 |
|
8372 | code = _length_code[lc];
|
8373 | send_code(s, code+LITERALS+1, ltree);
|
8374 | extra = extra_lbits[code];
|
8375 | if (extra !== 0) {
|
8376 | lc -= base_length[code];
|
8377 | send_bits(s, lc, extra);
|
8378 | }
|
8379 | dist--;
|
8380 | code = d_code(dist);
|
8381 |
|
8382 |
|
8383 | send_code(s, code, dtree);
|
8384 | extra = extra_dbits[code];
|
8385 | if (extra !== 0) {
|
8386 | dist -= base_dist[code];
|
8387 | send_bits(s, dist, extra);
|
8388 | }
|
8389 | }
|
8390 |
|
8391 |
|
8392 |
|
8393 |
|
8394 |
|
8395 | } while (lx < s.last_lit);
|
8396 | }
|
8397 |
|
8398 | send_code(s, END_BLOCK, ltree);
|
8399 | }
|
8400 |
|
8401 |
|
8402 |
|
8403 |
|
8404 |
|
8405 |
|
8406 |
|
8407 |
|
8408 |
|
8409 |
|
8410 | function build_tree(s, desc)
|
8411 | // deflate_state *s;
|
8412 | // tree_desc *desc; /* the tree descriptor */
|
8413 | {
|
8414 | var tree = desc.dyn_tree;
|
8415 | var stree = desc.stat_desc.static_tree;
|
8416 | var has_stree = desc.stat_desc.has_stree;
|
8417 | var elems = desc.stat_desc.elems;
|
8418 | var n, m;
|
8419 | var max_code = -1;
|
8420 | var node;
|
8421 |
|
8422 | |
8423 |
|
8424 |
|
8425 |
|
8426 | s.heap_len = 0;
|
8427 | s.heap_max = HEAP_SIZE;
|
8428 |
|
8429 | for (n = 0; n < elems; n++) {
|
8430 | if (tree[n * 2] !== 0) {
|
8431 | s.heap[++s.heap_len] = max_code = n;
|
8432 | s.depth[n] = 0;
|
8433 |
|
8434 | } else {
|
8435 | tree[n*2 + 1] = 0;
|
8436 | }
|
8437 | }
|
8438 |
|
8439 | |
8440 |
|
8441 |
|
8442 |
|
8443 |
|
8444 | while (s.heap_len < 2) {
|
8445 | node = s.heap[++s.heap_len] = (max_code < 2 ? ++max_code : 0);
|
8446 | tree[node * 2] = 1;
|
8447 | s.depth[node] = 0;
|
8448 | s.opt_len--;
|
8449 |
|
8450 | if (has_stree) {
|
8451 | s.static_len -= stree[node*2 + 1];
|
8452 | }
|
8453 |
|
8454 | }
|
8455 | desc.max_code = max_code;
|
8456 |
|
8457 | |
8458 |
|
8459 |
|
8460 | for (n = (s.heap_len >> 1); n >= 1; n--) { pqdownheap(s, tree, n); }
|
8461 |
|
8462 | |
8463 |
|
8464 |
|
8465 | node = elems;
|
8466 | do {
|
8467 |
|
8468 |
|
8469 | n = s.heap[1];
|
8470 | s.heap[1] = s.heap[s.heap_len--];
|
8471 | pqdownheap(s, tree, 1);
|
8472 |
|
8473 |
|
8474 | m = s.heap[1];
|
8475 |
|
8476 | s.heap[--s.heap_max] = n;
|
8477 | s.heap[--s.heap_max] = m;
|
8478 |
|
8479 |
|
8480 | tree[node * 2] = tree[n * 2] + tree[m * 2];
|
8481 | s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1;
|
8482 | tree[n*2 + 1] = tree[m*2 + 1] = node;
|
8483 |
|
8484 |
|
8485 | s.heap[1] = node++;
|
8486 | pqdownheap(s, tree, 1);
|
8487 |
|
8488 | } while (s.heap_len >= 2);
|
8489 |
|
8490 | s.heap[--s.heap_max] = s.heap[1];
|
8491 |
|
8492 | |
8493 |
|
8494 |
|
8495 | gen_bitlen(s, desc);
|
8496 |
|
8497 |
|
8498 | gen_codes(tree, max_code, s.bl_count);
|
8499 | }
|
8500 |
|
8501 |
|
8502 |
|
8503 |
|
8504 |
|
8505 |
|
8506 | function scan_tree(s, tree, max_code)
|
8507 | // deflate_state *s;
|
8508 | // ct_data *tree; /* the tree to be scanned */
|
8509 | // int max_code; /* and its largest code of non zero frequency */
|
8510 | {
|
8511 | var n;
|
8512 | var prevlen = -1;
|
8513 | var curlen;
|
8514 |
|
8515 | var nextlen = tree[0*2 + 1];
|
8516 |
|
8517 | var count = 0;
|
8518 | var max_count = 7;
|
8519 | var min_count = 4;
|
8520 |
|
8521 | if (nextlen === 0) {
|
8522 | max_count = 138;
|
8523 | min_count = 3;
|
8524 | }
|
8525 | tree[(max_code+1)*2 + 1] = 0xffff;
|
8526 |
|
8527 | for (n = 0; n <= max_code; n++) {
|
8528 | curlen = nextlen;
|
8529 | nextlen = tree[(n+1)*2 + 1];
|
8530 |
|
8531 | if (++count < max_count && curlen === nextlen) {
|
8532 | continue;
|
8533 |
|
8534 | } else if (count < min_count) {
|
8535 | s.bl_tree[curlen * 2] += count;
|
8536 |
|
8537 | } else if (curlen !== 0) {
|
8538 |
|
8539 | if (curlen !== prevlen) { s.bl_tree[curlen * 2]++; }
|
8540 | s.bl_tree[REP_3_6*2]++;
|
8541 |
|
8542 | } else if (count <= 10) {
|
8543 | s.bl_tree[REPZ_3_10*2]++;
|
8544 |
|
8545 | } else {
|
8546 | s.bl_tree[REPZ_11_138*2]++;
|
8547 | }
|
8548 |
|
8549 | count = 0;
|
8550 | prevlen = curlen;
|
8551 |
|
8552 | if (nextlen === 0) {
|
8553 | max_count = 138;
|
8554 | min_count = 3;
|
8555 |
|
8556 | } else if (curlen === nextlen) {
|
8557 | max_count = 6;
|
8558 | min_count = 3;
|
8559 |
|
8560 | } else {
|
8561 | max_count = 7;
|
8562 | min_count = 4;
|
8563 | }
|
8564 | }
|
8565 | }
|
8566 |
|
8567 |
|
8568 |
|
8569 |
|
8570 |
|
8571 |
|
8572 | function send_tree(s, tree, max_code)
|
8573 | // deflate_state *s;
|
8574 | // ct_data *tree; /* the tree to be scanned */
|
8575 | // int max_code; /* and its largest code of non zero frequency */
|
8576 | {
|
8577 | var n;
|
8578 | var prevlen = -1;
|
8579 | var curlen;
|
8580 |
|
8581 | var nextlen = tree[0*2 + 1];
|
8582 |
|
8583 | var count = 0;
|
8584 | var max_count = 7;
|
8585 | var min_count = 4;
|
8586 |
|
8587 |
|
8588 | if (nextlen === 0) {
|
8589 | max_count = 138;
|
8590 | min_count = 3;
|
8591 | }
|
8592 |
|
8593 | for (n = 0; n <= max_code; n++) {
|
8594 | curlen = nextlen;
|
8595 | nextlen = tree[(n+1)*2 + 1];
|
8596 |
|
8597 | if (++count < max_count && curlen === nextlen) {
|
8598 | continue;
|
8599 |
|
8600 | } else if (count < min_count) {
|
8601 | do { send_code(s, curlen, s.bl_tree); } while (--count !== 0);
|
8602 |
|
8603 | } else if (curlen !== 0) {
|
8604 | if (curlen !== prevlen) {
|
8605 | send_code(s, curlen, s.bl_tree);
|
8606 | count--;
|
8607 | }
|
8608 |
|
8609 | send_code(s, REP_3_6, s.bl_tree);
|
8610 | send_bits(s, count-3, 2);
|
8611 |
|
8612 | } else if (count <= 10) {
|
8613 | send_code(s, REPZ_3_10, s.bl_tree);
|
8614 | send_bits(s, count-3, 3);
|
8615 |
|
8616 | } else {
|
8617 | send_code(s, REPZ_11_138, s.bl_tree);
|
8618 | send_bits(s, count-11, 7);
|
8619 | }
|
8620 |
|
8621 | count = 0;
|
8622 | prevlen = curlen;
|
8623 | if (nextlen === 0) {
|
8624 | max_count = 138;
|
8625 | min_count = 3;
|
8626 |
|
8627 | } else if (curlen === nextlen) {
|
8628 | max_count = 6;
|
8629 | min_count = 3;
|
8630 |
|
8631 | } else {
|
8632 | max_count = 7;
|
8633 | min_count = 4;
|
8634 | }
|
8635 | }
|
8636 | }
|
8637 |
|
8638 |
|
8639 |
|
8640 |
|
8641 |
|
8642 |
|
8643 | function build_bl_tree(s) {
|
8644 | var max_blindex;
|
8645 |
|
8646 |
|
8647 | scan_tree(s, s.dyn_ltree, s.l_desc.max_code);
|
8648 | scan_tree(s, s.dyn_dtree, s.d_desc.max_code);
|
8649 |
|
8650 |
|
8651 | build_tree(s, s.bl_desc);
|
8652 | |
8653 |
|
8654 |
|
8655 |
|
8656 | |
8657 |
|
8658 |
|
8659 |
|
8660 | for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) {
|
8661 | if (s.bl_tree[bl_order[max_blindex]*2 + 1] !== 0) {
|
8662 | break;
|
8663 | }
|
8664 | }
|
8665 |
|
8666 | s.opt_len += 3*(max_blindex+1) + 5+5+4;
|
8667 |
|
8668 |
|
8669 |
|
8670 | return max_blindex;
|
8671 | }
|
8672 |
|
8673 |
|
8674 |
|
8675 |
|
8676 |
|
8677 |
|
8678 |
|
8679 | function send_all_trees(s, lcodes, dcodes, blcodes)
|
8680 | // deflate_state *s;
|
8681 | // int lcodes, dcodes, blcodes; /* number of codes for each tree */
|
8682 | {
|
8683 | var rank;
|
8684 |
|
8685 |
|
8686 |
|
8687 |
|
8688 |
|
8689 | send_bits(s, lcodes-257, 5);
|
8690 | send_bits(s, dcodes-1, 5);
|
8691 | send_bits(s, blcodes-4, 4);
|
8692 | for (rank = 0; rank < blcodes; rank++) {
|
8693 |
|
8694 | send_bits(s, s.bl_tree[bl_order[rank]*2 + 1], 3);
|
8695 | }
|
8696 |
|
8697 |
|
8698 | send_tree(s, s.dyn_ltree, lcodes-1);
|
8699 |
|
8700 |
|
8701 | send_tree(s, s.dyn_dtree, dcodes-1);
|
8702 |
|
8703 | }
|
8704 |
|
8705 |
|
8706 |
|
8707 |
|
8708 |
|
8709 |
|
8710 |
|
8711 |
|
8712 |
|
8713 |
|
8714 |
|
8715 |
|
8716 |
|
8717 |
|
8718 |
|
8719 | function detect_data_type(s) {
|
8720 | |
8721 |
|
8722 |
|
8723 |
|
8724 | var black_mask = 0xf3ffc07f;
|
8725 | var n;
|
8726 |
|
8727 |
|
8728 | for (n = 0; n <= 31; n++, black_mask >>>= 1) {
|
8729 | if ((black_mask & 1) && (s.dyn_ltree[n*2] !== 0)) {
|
8730 | return Z_BINARY;
|
8731 | }
|
8732 | }
|
8733 |
|
8734 |
|
8735 | if (s.dyn_ltree[9 * 2] !== 0 || s.dyn_ltree[10 * 2] !== 0 ||
|
8736 | s.dyn_ltree[13 * 2] !== 0) {
|
8737 | return Z_TEXT;
|
8738 | }
|
8739 | for (n = 32; n < LITERALS; n++) {
|
8740 | if (s.dyn_ltree[n * 2] !== 0) {
|
8741 | return Z_TEXT;
|
8742 | }
|
8743 | }
|
8744 |
|
8745 | |
8746 |
|
8747 |
|
8748 | return Z_BINARY;
|
8749 | }
|
8750 |
|
8751 |
|
8752 | var static_init_done = false;
|
8753 |
|
8754 |
|
8755 |
|
8756 |
|
8757 | function _tr_init(s)
|
8758 | {
|
8759 |
|
8760 | if (!static_init_done) {
|
8761 | tr_static_init();
|
8762 | static_init_done = true;
|
8763 | }
|
8764 |
|
8765 | s.l_desc = new TreeDesc(s.dyn_ltree, static_l_desc);
|
8766 | s.d_desc = new TreeDesc(s.dyn_dtree, static_d_desc);
|
8767 | s.bl_desc = new TreeDesc(s.bl_tree, static_bl_desc);
|
8768 |
|
8769 | s.bi_buf = 0;
|
8770 | s.bi_valid = 0;
|
8771 |
|
8772 |
|
8773 | init_block(s);
|
8774 | }
|
8775 |
|
8776 |
|
8777 |
|
8778 |
|
8779 |
|
8780 | function _tr_stored_block(s, buf, stored_len, last)
|
8781 | //DeflateState *s;
|
8782 | //charf *buf; /* input block */
|
8783 | //ulg stored_len; /* length of input block */
|
8784 | //int last; /* one if this is the last block for a file */
|
8785 | {
|
8786 | send_bits(s, (STORED_BLOCK<<1)+(last ? 1 : 0), 3);
|
8787 | copy_block(s, buf, stored_len, true);
|
8788 | }
|
8789 |
|
8790 |
|
8791 |
|
8792 |
|
8793 |
|
8794 |
|
8795 | function _tr_align(s) {
|
8796 | send_bits(s, STATIC_TREES<<1, 3);
|
8797 | send_code(s, END_BLOCK, static_ltree);
|
8798 | bi_flush(s);
|
8799 | }
|
8800 |
|
8801 |
|
8802 |
|
8803 |
|
8804 |
|
8805 |
|
8806 | function _tr_flush_block(s, buf, stored_len, last)
|
8807 | //DeflateState *s;
|
8808 | //charf *buf; /* input block, or NULL if too old */
|
8809 | //ulg stored_len; /* length of input block */
|
8810 | //int last; /* one if this is the last block for a file */
|
8811 | {
|
8812 | var opt_lenb, static_lenb;
|
8813 | var max_blindex = 0;
|
8814 |
|
8815 |
|
8816 | if (s.level > 0) {
|
8817 |
|
8818 |
|
8819 | if (s.strm.data_type === Z_UNKNOWN) {
|
8820 | s.strm.data_type = detect_data_type(s);
|
8821 | }
|
8822 |
|
8823 |
|
8824 | build_tree(s, s.l_desc);
|
8825 |
|
8826 |
|
8827 |
|
8828 | build_tree(s, s.d_desc);
|
8829 |
|
8830 |
|
8831 | |
8832 |
|
8833 |
|
8834 |
|
8835 | |
8836 |
|
8837 |
|
8838 | max_blindex = build_bl_tree(s);
|
8839 |
|
8840 |
|
8841 | opt_lenb = (s.opt_len+3+7) >>> 3;
|
8842 | static_lenb = (s.static_len+3+7) >>> 3;
|
8843 |
|
8844 |
|
8845 |
|
8846 |
|
8847 |
|
8848 | if (static_lenb <= opt_lenb) { opt_lenb = static_lenb; }
|
8849 |
|
8850 | } else {
|
8851 |
|
8852 | opt_lenb = static_lenb = stored_len + 5;
|
8853 | }
|
8854 |
|
8855 | if ((stored_len+4 <= opt_lenb) && (buf !== -1)) {
|
8856 |
|
8857 |
|
8858 | |
8859 |
|
8860 |
|
8861 |
|
8862 |
|
8863 |
|
8864 | _tr_stored_block(s, buf, stored_len, last);
|
8865 |
|
8866 | } else if (s.strategy === Z_FIXED || static_lenb === opt_lenb) {
|
8867 |
|
8868 | send_bits(s, (STATIC_TREES<<1) + (last ? 1 : 0), 3);
|
8869 | compress_block(s, static_ltree, static_dtree);
|
8870 |
|
8871 | } else {
|
8872 | send_bits(s, (DYN_TREES<<1) + (last ? 1 : 0), 3);
|
8873 | send_all_trees(s, s.l_desc.max_code+1, s.d_desc.max_code+1, max_blindex+1);
|
8874 | compress_block(s, s.dyn_ltree, s.dyn_dtree);
|
8875 | }
|
8876 |
|
8877 | |
8878 |
|
8879 |
|
8880 | init_block(s);
|
8881 |
|
8882 | if (last) {
|
8883 | bi_windup(s);
|
8884 | }
|
8885 |
|
8886 |
|
8887 | }
|
8888 |
|
8889 |
|
8890 |
|
8891 |
|
8892 |
|
8893 | function _tr_tally(s, dist, lc)
|
8894 | // deflate_state *s;
|
8895 | // unsigned dist; /* distance of matched string */
|
8896 | // unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
|
8897 | {
|
8898 |
|
8899 |
|
8900 | s.pending_buf[s.d_buf + s.last_lit * 2] = (dist >>> 8) & 0xff;
|
8901 | s.pending_buf[s.d_buf + s.last_lit * 2 + 1] = dist & 0xff;
|
8902 |
|
8903 | s.pending_buf[s.l_buf + s.last_lit] = lc & 0xff;
|
8904 | s.last_lit++;
|
8905 |
|
8906 | if (dist === 0) {
|
8907 |
|
8908 | s.dyn_ltree[lc*2]++;
|
8909 | } else {
|
8910 | s.matches++;
|
8911 |
|
8912 | dist--;
|
8913 |
|
8914 |
|
8915 |
|
8916 |
|
8917 | s.dyn_ltree[(_length_code[lc]+LITERALS+1) * 2]++;
|
8918 | s.dyn_dtree[d_code(dist) * 2]++;
|
8919 | }
|
8920 |
|
8921 |
|
8922 |
|
8923 |
|
8924 |
|
8925 |
|
8926 |
|
8927 |
|
8928 |
|
8929 |
|
8930 |
|
8931 |
|
8932 |
|
8933 |
|
8934 |
|
8935 |
|
8936 |
|
8937 |
|
8938 |
|
8939 |
|
8940 |
|
8941 |
|
8942 |
|
8943 |
|
8944 | return (s.last_lit === s.lit_bufsize-1);
|
8945 | |
8946 |
|
8947 |
|
8948 |
|
8949 | }
|
8950 |
|
8951 | exports._tr_init = _tr_init;
|
8952 | exports._tr_stored_block = _tr_stored_block;
|
8953 | exports._tr_flush_block = _tr_flush_block;
|
8954 | exports._tr_tally = _tr_tally;
|
8955 | exports._tr_align = _tr_align;
|
8956 | },{"../utils/common":27}],39:[function(_dereq_,module,exports){
|
8957 | 'use strict';
|
8958 |
|
8959 |
|
8960 | function ZStream() {
|
8961 |
|
8962 | this.input = null;
|
8963 | this.next_in = 0;
|
8964 |
|
8965 | this.avail_in = 0;
|
8966 |
|
8967 | this.total_in = 0;
|
8968 |
|
8969 | this.output = null;
|
8970 | this.next_out = 0;
|
8971 |
|
8972 | this.avail_out = 0;
|
8973 |
|
8974 | this.total_out = 0;
|
8975 |
|
8976 | this.msg = '';
|
8977 |
|
8978 | this.state = null;
|
8979 |
|
8980 | this.data_type = 2;
|
8981 |
|
8982 | this.adler = 0;
|
8983 | }
|
8984 |
|
8985 | module.exports = ZStream;
|
8986 | },{}]},{},[9])
|
8987 | (9)
|
8988 | }));
|