1 | (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Pbf = f()}})(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);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.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(require,module,exports){
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2 | ;
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3 |
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4 | // lightweight Buffer shim for pbf browser build
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5 | // based on code from github.com/feross/buffer (MIT-licensed)
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6 |
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7 | module.exports = Buffer;
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8 |
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9 | var ieee754 = require('ieee754');
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10 |
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11 | var BufferMethods;
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12 |
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13 | function Buffer(length) {
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14 | var arr;
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15 | if (length && length.length) {
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16 | arr = length;
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17 | length = arr.length;
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18 | }
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19 | var buf = new Uint8Array(length || 0);
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20 | if (arr) buf.set(arr);
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21 |
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22 | buf.readUInt32LE = BufferMethods.readUInt32LE;
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23 | buf.writeUInt32LE = BufferMethods.writeUInt32LE;
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24 | buf.readInt32LE = BufferMethods.readInt32LE;
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25 | buf.writeInt32LE = BufferMethods.writeInt32LE;
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26 | buf.readFloatLE = BufferMethods.readFloatLE;
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27 | buf.writeFloatLE = BufferMethods.writeFloatLE;
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28 | buf.readDoubleLE = BufferMethods.readDoubleLE;
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29 | buf.writeDoubleLE = BufferMethods.writeDoubleLE;
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30 | buf.toString = BufferMethods.toString;
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31 | buf.write = BufferMethods.write;
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32 | buf.slice = BufferMethods.slice;
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33 | buf.copy = BufferMethods.copy;
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34 |
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35 | buf._isBuffer = true;
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36 | return buf;
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37 | }
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38 |
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39 | var lastStr, lastStrEncoded;
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40 |
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41 | BufferMethods = {
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42 | readUInt32LE: function(pos) {
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43 | return ((this[pos]) |
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44 | (this[pos + 1] << 8) |
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45 | (this[pos + 2] << 16)) +
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46 | (this[pos + 3] * 0x1000000);
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47 | },
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48 |
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49 | writeUInt32LE: function(val, pos) {
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50 | this[pos] = val;
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51 | this[pos + 1] = (val >>> 8);
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52 | this[pos + 2] = (val >>> 16);
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53 | this[pos + 3] = (val >>> 24);
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54 | },
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55 |
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56 | readInt32LE: function(pos) {
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57 | return ((this[pos]) |
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58 | (this[pos + 1] << 8) |
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59 | (this[pos + 2] << 16)) +
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60 | (this[pos + 3] << 24);
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61 | },
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62 |
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63 | readFloatLE: function(pos) { return ieee754.read(this, pos, true, 23, 4); },
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64 | readDoubleLE: function(pos) { return ieee754.read(this, pos, true, 52, 8); },
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65 |
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66 | writeFloatLE: function(val, pos) { return ieee754.write(this, val, pos, true, 23, 4); },
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67 | writeDoubleLE: function(val, pos) { return ieee754.write(this, val, pos, true, 52, 8); },
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68 |
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69 | toString: function(encoding, start, end) {
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70 | var str = '',
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71 | tmp = '';
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72 |
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73 | start = start || 0;
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74 | end = Math.min(this.length, end || this.length);
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75 |
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76 | for (var i = start; i < end; i++) {
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77 | var ch = this[i];
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78 | if (ch <= 0x7F) {
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79 | str += decodeURIComponent(tmp) + String.fromCharCode(ch);
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80 | tmp = '';
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81 | } else {
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82 | tmp += '%' + ch.toString(16);
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83 | }
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84 | }
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85 |
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86 | str += decodeURIComponent(tmp);
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87 |
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88 | return str;
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89 | },
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90 |
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91 | write: function(str, pos) {
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92 | var bytes = str === lastStr ? lastStrEncoded : encodeString(str);
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93 | for (var i = 0; i < bytes.length; i++) {
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94 | this[pos + i] = bytes[i];
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95 | }
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96 | },
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97 |
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98 | slice: function(start, end) {
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99 | return this.subarray(start, end);
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100 | },
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101 |
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102 | copy: function(buf, pos) {
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103 | pos = pos || 0;
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104 | for (var i = 0; i < this.length; i++) {
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105 | buf[pos + i] = this[i];
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106 | }
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107 | }
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108 | };
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109 |
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110 | BufferMethods.writeInt32LE = BufferMethods.writeUInt32LE;
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111 |
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112 | Buffer.byteLength = function(str) {
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113 | lastStr = str;
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114 | lastStrEncoded = encodeString(str);
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115 | return lastStrEncoded.length;
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116 | };
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117 |
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118 | Buffer.isBuffer = function(buf) {
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119 | return !!(buf && buf._isBuffer);
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120 | };
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121 |
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122 | function encodeString(str) {
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123 | var length = str.length,
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124 | bytes = [];
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125 |
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126 | for (var i = 0, c, lead; i < length; i++) {
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127 | c = str.charCodeAt(i); // code point
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128 |
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129 | if (c > 0xD7FF && c < 0xE000) {
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130 |
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131 | if (lead) {
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132 | if (c < 0xDC00) {
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133 | bytes.push(0xEF, 0xBF, 0xBD);
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134 | lead = c;
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135 | continue;
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136 |
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137 | } else {
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138 | c = lead - 0xD800 << 10 | c - 0xDC00 | 0x10000;
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139 | lead = null;
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140 | }
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141 |
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142 | } else {
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143 | if (c > 0xDBFF || (i + 1 === length)) bytes.push(0xEF, 0xBF, 0xBD);
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144 | else lead = c;
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145 |
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146 | continue;
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147 | }
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148 |
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149 | } else if (lead) {
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150 | bytes.push(0xEF, 0xBF, 0xBD);
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151 | lead = null;
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152 | }
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153 |
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154 | if (c < 0x80) bytes.push(c);
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155 | else if (c < 0x800) bytes.push(c >> 0x6 | 0xC0, c & 0x3F | 0x80);
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156 | else if (c < 0x10000) bytes.push(c >> 0xC | 0xE0, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);
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157 | else bytes.push(c >> 0x12 | 0xF0, c >> 0xC & 0x3F | 0x80, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);
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158 | }
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159 | return bytes;
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160 | }
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161 |
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162 | },{"ieee754":3}],2:[function(require,module,exports){
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163 | (function (global){
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164 | ;
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165 |
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166 | module.exports = Pbf;
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167 |
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168 | var Buffer = global.Buffer || require('./buffer');
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169 |
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170 | function Pbf(buf) {
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171 | this.buf = !Buffer.isBuffer(buf) ? new Buffer(buf || 0) : buf;
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172 | this.pos = 0;
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173 | this.length = this.buf.length;
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174 | }
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175 |
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176 | Pbf.Varint = 0; // varint: int32, int64, uint32, uint64, sint32, sint64, bool, enum
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177 | Pbf.Fixed64 = 1; // 64-bit: double, fixed64, sfixed64
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178 | Pbf.Bytes = 2; // length-delimited: string, bytes, embedded messages, packed repeated fields
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179 | Pbf.Fixed32 = 5; // 32-bit: float, fixed32, sfixed32
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180 |
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181 | var SHIFT_LEFT_32 = (1 << 16) * (1 << 16),
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182 | SHIFT_RIGHT_32 = 1 / SHIFT_LEFT_32,
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183 | POW_2_63 = Math.pow(2, 63);
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184 |
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185 | Pbf.prototype = {
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186 |
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187 | destroy: function() {
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188 | this.buf = null;
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189 | },
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190 |
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191 | // === READING =================================================================
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192 |
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193 | readFields: function(readField, result, end) {
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194 | end = end || this.length;
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195 |
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196 | while (this.pos < end) {
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197 | var val = this.readVarint(),
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198 | tag = val >> 3,
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199 | startPos = this.pos;
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200 |
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201 | readField(tag, result, this);
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202 |
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203 | if (this.pos === startPos) this.skip(val);
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204 | }
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205 | return result;
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206 | },
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207 |
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208 | readMessage: function(readField, result) {
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209 | return this.readFields(readField, result, this.readVarint() + this.pos);
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210 | },
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211 |
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212 | readFixed32: function() {
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213 | var val = this.buf.readUInt32LE(this.pos);
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214 | this.pos += 4;
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215 | return val;
|
216 | },
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217 |
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218 | readSFixed32: function() {
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219 | var val = this.buf.readInt32LE(this.pos);
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220 | this.pos += 4;
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221 | return val;
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222 | },
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223 |
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224 | // 64-bit int handling is based on github.com/dpw/node-buffer-more-ints (MIT-licensed)
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225 |
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226 | readFixed64: function() {
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227 | var val = this.buf.readUInt32LE(this.pos) + this.buf.readUInt32LE(this.pos + 4) * SHIFT_LEFT_32;
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228 | this.pos += 8;
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229 | return val;
|
230 | },
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231 |
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232 | readSFixed64: function() {
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233 | var val = this.buf.readUInt32LE(this.pos) + this.buf.readInt32LE(this.pos + 4) * SHIFT_LEFT_32;
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234 | this.pos += 8;
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235 | return val;
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236 | },
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237 |
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238 | readFloat: function() {
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239 | var val = this.buf.readFloatLE(this.pos);
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240 | this.pos += 4;
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241 | return val;
|
242 | },
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243 |
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244 | readDouble: function() {
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245 | var val = this.buf.readDoubleLE(this.pos);
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246 | this.pos += 8;
|
247 | return val;
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248 | },
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249 |
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250 | readVarint: function() {
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251 | var buf = this.buf,
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252 | val, b;
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253 |
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254 | b = buf[this.pos++]; val = b & 0x7f; if (b < 0x80) return val;
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255 | b = buf[this.pos++]; val |= (b & 0x7f) << 7; if (b < 0x80) return val;
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256 | b = buf[this.pos++]; val |= (b & 0x7f) << 14; if (b < 0x80) return val;
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257 | b = buf[this.pos++]; val |= (b & 0x7f) << 21; if (b < 0x80) return val;
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258 |
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259 | return readVarintRemainder(val, this);
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260 | },
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261 |
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262 | readVarint64: function() {
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263 | var startPos = this.pos,
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264 | val = this.readVarint();
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265 |
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266 | if (val < POW_2_63) return val;
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267 |
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268 | var pos = this.pos - 2;
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269 | while (this.buf[pos] === 0xff) pos--;
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270 | if (pos < startPos) pos = startPos;
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271 |
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272 | val = 0;
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273 | for (var i = 0; i < pos - startPos + 1; i++) {
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274 | var b = ~this.buf[startPos + i] & 0x7f;
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275 | val += i < 4 ? b << i * 7 : b * Math.pow(2, i * 7);
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276 | }
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277 |
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278 | return -val - 1;
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279 | },
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280 |
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281 | readSVarint: function() {
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282 | var num = this.readVarint();
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283 | return num % 2 === 1 ? (num + 1) / -2 : num / 2; // zigzag encoding
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284 | },
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285 |
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286 | readBoolean: function() {
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287 | return Boolean(this.readVarint());
|
288 | },
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289 |
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290 | readString: function() {
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291 | var end = this.readVarint() + this.pos,
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292 | str = this.buf.toString('utf8', this.pos, end);
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293 | this.pos = end;
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294 | return str;
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295 | },
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296 |
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297 | readBytes: function() {
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298 | var end = this.readVarint() + this.pos,
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299 | buffer = this.buf.slice(this.pos, end);
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300 | this.pos = end;
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301 | return buffer;
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302 | },
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303 |
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304 | // verbose for performance reasons; doesn't affect gzipped size
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305 |
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306 | readPackedVarint: function() {
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307 | var end = this.readVarint() + this.pos, arr = [];
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308 | while (this.pos < end) arr.push(this.readVarint());
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309 | return arr;
|
310 | },
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311 | readPackedSVarint: function() {
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312 | var end = this.readVarint() + this.pos, arr = [];
|
313 | while (this.pos < end) arr.push(this.readSVarint());
|
314 | return arr;
|
315 | },
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316 | readPackedBoolean: function() {
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317 | var end = this.readVarint() + this.pos, arr = [];
|
318 | while (this.pos < end) arr.push(this.readBoolean());
|
319 | return arr;
|
320 | },
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321 | readPackedFloat: function() {
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322 | var end = this.readVarint() + this.pos, arr = [];
|
323 | while (this.pos < end) arr.push(this.readFloat());
|
324 | return arr;
|
325 | },
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326 | readPackedDouble: function() {
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327 | var end = this.readVarint() + this.pos, arr = [];
|
328 | while (this.pos < end) arr.push(this.readDouble());
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329 | return arr;
|
330 | },
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331 | readPackedFixed32: function() {
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332 | var end = this.readVarint() + this.pos, arr = [];
|
333 | while (this.pos < end) arr.push(this.readFixed32());
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334 | return arr;
|
335 | },
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336 | readPackedSFixed32: function() {
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337 | var end = this.readVarint() + this.pos, arr = [];
|
338 | while (this.pos < end) arr.push(this.readSFixed32());
|
339 | return arr;
|
340 | },
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341 | readPackedFixed64: function() {
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342 | var end = this.readVarint() + this.pos, arr = [];
|
343 | while (this.pos < end) arr.push(this.readFixed64());
|
344 | return arr;
|
345 | },
|
346 | readPackedSFixed64: function() {
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347 | var end = this.readVarint() + this.pos, arr = [];
|
348 | while (this.pos < end) arr.push(this.readSFixed64());
|
349 | return arr;
|
350 | },
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351 |
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352 | skip: function(val) {
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353 | var type = val & 0x7;
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354 | if (type === Pbf.Varint) while (this.buf[this.pos++] > 0x7f) {}
|
355 | else if (type === Pbf.Bytes) this.pos = this.readVarint() + this.pos;
|
356 | else if (type === Pbf.Fixed32) this.pos += 4;
|
357 | else if (type === Pbf.Fixed64) this.pos += 8;
|
358 | else throw new Error('Unimplemented type: ' + type);
|
359 | },
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360 |
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361 | // === WRITING =================================================================
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362 |
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363 | writeTag: function(tag, type) {
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364 | this.writeVarint((tag << 3) | type);
|
365 | },
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366 |
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367 | realloc: function(min) {
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368 | var length = this.length || 16;
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369 |
|
370 | while (length < this.pos + min) length *= 2;
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371 |
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372 | if (length !== this.length) {
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373 | var buf = new Buffer(length);
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374 | this.buf.copy(buf);
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375 | this.buf = buf;
|
376 | this.length = length;
|
377 | }
|
378 | },
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379 |
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380 | finish: function() {
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381 | this.length = this.pos;
|
382 | this.pos = 0;
|
383 | return this.buf.slice(0, this.length);
|
384 | },
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385 |
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386 | writeFixed32: function(val) {
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387 | this.realloc(4);
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388 | this.buf.writeUInt32LE(val, this.pos);
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389 | this.pos += 4;
|
390 | },
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391 |
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392 | writeSFixed32: function(val) {
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393 | this.realloc(4);
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394 | this.buf.writeInt32LE(val, this.pos);
|
395 | this.pos += 4;
|
396 | },
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397 |
|
398 | writeFixed64: function(val) {
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399 | this.realloc(8);
|
400 | this.buf.writeInt32LE(val & -1, this.pos);
|
401 | this.buf.writeUInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
|
402 | this.pos += 8;
|
403 | },
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404 |
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405 | writeSFixed64: function(val) {
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406 | this.realloc(8);
|
407 | this.buf.writeInt32LE(val & -1, this.pos);
|
408 | this.buf.writeInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
|
409 | this.pos += 8;
|
410 | },
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411 |
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412 | writeVarint: function(val) {
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413 | val = +val;
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414 |
|
415 | if (val > 0xfffffff) {
|
416 | writeBigVarint(val, this);
|
417 | return;
|
418 | }
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419 |
|
420 | this.realloc(4);
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421 |
|
422 | this.buf[this.pos++] = val & 0x7f | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
|
423 | this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
|
424 | this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
|
425 | this.buf[this.pos++] = (val >>> 7) & 0x7f;
|
426 | },
|
427 |
|
428 | writeSVarint: function(val) {
|
429 | this.writeVarint(val < 0 ? -val * 2 - 1 : val * 2);
|
430 | },
|
431 |
|
432 | writeBoolean: function(val) {
|
433 | this.writeVarint(Boolean(val));
|
434 | },
|
435 |
|
436 | writeString: function(str) {
|
437 | str = String(str);
|
438 | var bytes = Buffer.byteLength(str);
|
439 | this.writeVarint(bytes);
|
440 | this.realloc(bytes);
|
441 | this.buf.write(str, this.pos);
|
442 | this.pos += bytes;
|
443 | },
|
444 |
|
445 | writeFloat: function(val) {
|
446 | this.realloc(4);
|
447 | this.buf.writeFloatLE(val, this.pos);
|
448 | this.pos += 4;
|
449 | },
|
450 |
|
451 | writeDouble: function(val) {
|
452 | this.realloc(8);
|
453 | this.buf.writeDoubleLE(val, this.pos);
|
454 | this.pos += 8;
|
455 | },
|
456 |
|
457 | writeBytes: function(buffer) {
|
458 | var len = buffer.length;
|
459 | this.writeVarint(len);
|
460 | this.realloc(len);
|
461 | for (var i = 0; i < len; i++) this.buf[this.pos++] = buffer[i];
|
462 | },
|
463 |
|
464 | writeRawMessage: function(fn, obj) {
|
465 | this.pos++; // reserve 1 byte for short message length
|
466 |
|
467 | // write the message directly to the buffer and see how much was written
|
468 | var startPos = this.pos;
|
469 | fn(obj, this);
|
470 | var len = this.pos - startPos;
|
471 |
|
472 | if (len >= 0x80) reallocForRawMessage(startPos, len, this);
|
473 |
|
474 | // finally, write the message length in the reserved place and restore the position
|
475 | this.pos = startPos - 1;
|
476 | this.writeVarint(len);
|
477 | this.pos += len;
|
478 | },
|
479 |
|
480 | writeMessage: function(tag, fn, obj) {
|
481 | this.writeTag(tag, Pbf.Bytes);
|
482 | this.writeRawMessage(fn, obj);
|
483 | },
|
484 |
|
485 | writePackedVarint: function(tag, arr) { this.writeMessage(tag, writePackedVarint, arr); },
|
486 | writePackedSVarint: function(tag, arr) { this.writeMessage(tag, writePackedSVarint, arr); },
|
487 | writePackedBoolean: function(tag, arr) { this.writeMessage(tag, writePackedBoolean, arr); },
|
488 | writePackedFloat: function(tag, arr) { this.writeMessage(tag, writePackedFloat, arr); },
|
489 | writePackedDouble: function(tag, arr) { this.writeMessage(tag, writePackedDouble, arr); },
|
490 | writePackedFixed32: function(tag, arr) { this.writeMessage(tag, writePackedFixed32, arr); },
|
491 | writePackedSFixed32: function(tag, arr) { this.writeMessage(tag, writePackedSFixed32, arr); },
|
492 | writePackedFixed64: function(tag, arr) { this.writeMessage(tag, writePackedFixed64, arr); },
|
493 | writePackedSFixed64: function(tag, arr) { this.writeMessage(tag, writePackedSFixed64, arr); },
|
494 |
|
495 | writeBytesField: function(tag, buffer) {
|
496 | this.writeTag(tag, Pbf.Bytes);
|
497 | this.writeBytes(buffer);
|
498 | },
|
499 | writeFixed32Field: function(tag, val) {
|
500 | this.writeTag(tag, Pbf.Fixed32);
|
501 | this.writeFixed32(val);
|
502 | },
|
503 | writeSFixed32Field: function(tag, val) {
|
504 | this.writeTag(tag, Pbf.Fixed32);
|
505 | this.writeSFixed32(val);
|
506 | },
|
507 | writeFixed64Field: function(tag, val) {
|
508 | this.writeTag(tag, Pbf.Fixed64);
|
509 | this.writeFixed64(val);
|
510 | },
|
511 | writeSFixed64Field: function(tag, val) {
|
512 | this.writeTag(tag, Pbf.Fixed64);
|
513 | this.writeSFixed64(val);
|
514 | },
|
515 | writeVarintField: function(tag, val) {
|
516 | this.writeTag(tag, Pbf.Varint);
|
517 | this.writeVarint(val);
|
518 | },
|
519 | writeSVarintField: function(tag, val) {
|
520 | this.writeTag(tag, Pbf.Varint);
|
521 | this.writeSVarint(val);
|
522 | },
|
523 | writeStringField: function(tag, str) {
|
524 | this.writeTag(tag, Pbf.Bytes);
|
525 | this.writeString(str);
|
526 | },
|
527 | writeFloatField: function(tag, val) {
|
528 | this.writeTag(tag, Pbf.Fixed32);
|
529 | this.writeFloat(val);
|
530 | },
|
531 | writeDoubleField: function(tag, val) {
|
532 | this.writeTag(tag, Pbf.Fixed64);
|
533 | this.writeDouble(val);
|
534 | },
|
535 | writeBooleanField: function(tag, val) {
|
536 | this.writeVarintField(tag, Boolean(val));
|
537 | }
|
538 | };
|
539 |
|
540 | function readVarintRemainder(val, pbf) {
|
541 | var buf = pbf.buf, b;
|
542 |
|
543 | b = buf[pbf.pos++]; val += (b & 0x7f) * 0x10000000; if (b < 0x80) return val;
|
544 | b = buf[pbf.pos++]; val += (b & 0x7f) * 0x800000000; if (b < 0x80) return val;
|
545 | b = buf[pbf.pos++]; val += (b & 0x7f) * 0x40000000000; if (b < 0x80) return val;
|
546 | b = buf[pbf.pos++]; val += (b & 0x7f) * 0x2000000000000; if (b < 0x80) return val;
|
547 | b = buf[pbf.pos++]; val += (b & 0x7f) * 0x100000000000000; if (b < 0x80) return val;
|
548 | b = buf[pbf.pos++]; val += (b & 0x7f) * 0x8000000000000000; if (b < 0x80) return val;
|
549 |
|
550 | throw new Error('Expected varint not more than 10 bytes');
|
551 | }
|
552 |
|
553 | function writeBigVarint(val, pbf) {
|
554 | pbf.realloc(10);
|
555 |
|
556 | var maxPos = pbf.pos + 10;
|
557 |
|
558 | while (val >= 1) {
|
559 | if (pbf.pos >= maxPos) throw new Error('Given varint doesn\'t fit into 10 bytes');
|
560 | var b = val & 0xff;
|
561 | pbf.buf[pbf.pos++] = b | (val >= 0x80 ? 0x80 : 0);
|
562 | val /= 0x80;
|
563 | }
|
564 | }
|
565 |
|
566 | function reallocForRawMessage(startPos, len, pbf) {
|
567 | var extraLen =
|
568 | len <= 0x3fff ? 1 :
|
569 | len <= 0x1fffff ? 2 :
|
570 | len <= 0xfffffff ? 3 : Math.ceil(Math.log(len) / (Math.LN2 * 7));
|
571 |
|
572 | // if 1 byte isn't enough for encoding message length, shift the data to the right
|
573 | pbf.realloc(extraLen);
|
574 | for (var i = pbf.pos - 1; i >= startPos; i--) pbf.buf[i + extraLen] = pbf.buf[i];
|
575 | }
|
576 |
|
577 | function writePackedVarint(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeVarint(arr[i]); }
|
578 | function writePackedSVarint(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSVarint(arr[i]); }
|
579 | function writePackedFloat(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeFloat(arr[i]); }
|
580 | function writePackedDouble(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeDouble(arr[i]); }
|
581 | function writePackedBoolean(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeBoolean(arr[i]); }
|
582 | function writePackedFixed32(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeFixed32(arr[i]); }
|
583 | function writePackedSFixed32(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed32(arr[i]); }
|
584 | function writePackedFixed64(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeFixed64(arr[i]); }
|
585 | function writePackedSFixed64(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed64(arr[i]); }
|
586 |
|
587 | }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
588 |
|
589 | },{"./buffer":1}],3:[function(require,module,exports){
|
590 | exports.read = function (buffer, offset, isLE, mLen, nBytes) {
|
591 | var e, m
|
592 | var eLen = nBytes * 8 - mLen - 1
|
593 | var eMax = (1 << eLen) - 1
|
594 | var eBias = eMax >> 1
|
595 | var nBits = -7
|
596 | var i = isLE ? (nBytes - 1) : 0
|
597 | var d = isLE ? -1 : 1
|
598 | var s = buffer[offset + i]
|
599 |
|
600 | i += d
|
601 |
|
602 | e = s & ((1 << (-nBits)) - 1)
|
603 | s >>= (-nBits)
|
604 | nBits += eLen
|
605 | for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
|
606 |
|
607 | m = e & ((1 << (-nBits)) - 1)
|
608 | e >>= (-nBits)
|
609 | nBits += mLen
|
610 | for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
|
611 |
|
612 | if (e === 0) {
|
613 | e = 1 - eBias
|
614 | } else if (e === eMax) {
|
615 | return m ? NaN : ((s ? -1 : 1) * Infinity)
|
616 | } else {
|
617 | m = m + Math.pow(2, mLen)
|
618 | e = e - eBias
|
619 | }
|
620 | return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
|
621 | }
|
622 |
|
623 | exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
|
624 | var e, m, c
|
625 | var eLen = nBytes * 8 - mLen - 1
|
626 | var eMax = (1 << eLen) - 1
|
627 | var eBias = eMax >> 1
|
628 | var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
|
629 | var i = isLE ? 0 : (nBytes - 1)
|
630 | var d = isLE ? 1 : -1
|
631 | var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
|
632 |
|
633 | value = Math.abs(value)
|
634 |
|
635 | if (isNaN(value) || value === Infinity) {
|
636 | m = isNaN(value) ? 1 : 0
|
637 | e = eMax
|
638 | } else {
|
639 | e = Math.floor(Math.log(value) / Math.LN2)
|
640 | if (value * (c = Math.pow(2, -e)) < 1) {
|
641 | e--
|
642 | c *= 2
|
643 | }
|
644 | if (e + eBias >= 1) {
|
645 | value += rt / c
|
646 | } else {
|
647 | value += rt * Math.pow(2, 1 - eBias)
|
648 | }
|
649 | if (value * c >= 2) {
|
650 | e++
|
651 | c /= 2
|
652 | }
|
653 |
|
654 | if (e + eBias >= eMax) {
|
655 | m = 0
|
656 | e = eMax
|
657 | } else if (e + eBias >= 1) {
|
658 | m = (value * c - 1) * Math.pow(2, mLen)
|
659 | e = e + eBias
|
660 | } else {
|
661 | m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
|
662 | e = 0
|
663 | }
|
664 | }
|
665 |
|
666 | for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
|
667 |
|
668 | e = (e << mLen) | m
|
669 | eLen += mLen
|
670 | for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
|
671 |
|
672 | buffer[offset + i - d] |= s * 128
|
673 | }
|
674 |
|
675 | },{}]},{},[2])(2)
|
676 | });
|
677 | //# 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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);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.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})","'use strict';\n\n// lightweight Buffer shim for pbf browser build\n// based on code from github.com/feross/buffer (MIT-licensed)\n\nmodule.exports = Buffer;\n\nvar ieee754 = require('ieee754');\n\nvar BufferMethods;\n\nfunction Buffer(length) {\n    var arr;\n    if (length && length.length) {\n        arr = length;\n        length = arr.length;\n    }\n    var buf = new Uint8Array(length || 0);\n    if (arr) buf.set(arr);\n\n    buf.readUInt32LE = BufferMethods.readUInt32LE;\n    buf.writeUInt32LE = BufferMethods.writeUInt32LE;\n    buf.readInt32LE = BufferMethods.readInt32LE;\n    buf.writeInt32LE = BufferMethods.writeInt32LE;\n    buf.readFloatLE = BufferMethods.readFloatLE;\n    buf.writeFloatLE = BufferMethods.writeFloatLE;\n    buf.readDoubleLE = BufferMethods.readDoubleLE;\n    buf.writeDoubleLE = BufferMethods.writeDoubleLE;\n    buf.toString = BufferMethods.toString;\n    buf.write = BufferMethods.write;\n    buf.slice = BufferMethods.slice;\n    buf.copy = BufferMethods.copy;\n\n    buf._isBuffer = true;\n    return buf;\n}\n\nvar lastStr, lastStrEncoded;\n\nBufferMethods = {\n    readUInt32LE: function(pos) {\n        return ((this[pos]) |\n            (this[pos + 1] << 8) |\n            (this[pos + 2] << 16)) +\n            (this[pos + 3] * 0x1000000);\n    },\n\n    writeUInt32LE: function(val, pos) {\n        this[pos] = val;\n        this[pos + 1] = (val >>> 8);\n        this[pos + 2] = (val >>> 16);\n        this[pos + 3] = (val >>> 24);\n    },\n\n    readInt32LE: function(pos) {\n        return ((this[pos]) |\n            (this[pos + 1] << 8) |\n            (this[pos + 2] << 16)) +\n            (this[pos + 3] << 24);\n    },\n\n    readFloatLE:  function(pos) { return ieee754.read(this, pos, true, 23, 4); },\n    readDoubleLE: function(pos) { return ieee754.read(this, pos, true, 52, 8); },\n\n    writeFloatLE:  function(val, pos) { return ieee754.write(this, val, pos, true, 23, 4); },\n    writeDoubleLE: function(val, pos) { return ieee754.write(this, val, pos, true, 52, 8); },\n\n    toString: function(encoding, start, end) {\n        var str = '',\n            tmp = '';\n\n        start = start || 0;\n        end = Math.min(this.length, end || this.length);\n\n        for (var i = start; i < end; i++) {\n            var ch = this[i];\n            if (ch <= 0x7F) {\n                str += decodeURIComponent(tmp) + String.fromCharCode(ch);\n                tmp = '';\n            } else {\n                tmp += '%' + ch.toString(16);\n            }\n        }\n\n        str += decodeURIComponent(tmp);\n\n        return str;\n    },\n\n    write: function(str, pos) {\n        var bytes = str === lastStr ? lastStrEncoded : encodeString(str);\n        for (var i = 0; i < bytes.length; i++) {\n            this[pos + i] = bytes[i];\n        }\n    },\n\n    slice: function(start, end) {\n        return this.subarray(start, end);\n    },\n\n    copy: function(buf, pos) {\n        pos = pos || 0;\n        for (var i = 0; i < this.length; i++) {\n            buf[pos + i] = this[i];\n        }\n    }\n};\n\nBufferMethods.writeInt32LE = BufferMethods.writeUInt32LE;\n\nBuffer.byteLength = function(str) {\n    lastStr = str;\n    lastStrEncoded = encodeString(str);\n    return lastStrEncoded.length;\n};\n\nBuffer.isBuffer = function(buf) {\n    return !!(buf && buf._isBuffer);\n};\n\nfunction encodeString(str) {\n    var length = str.length,\n        bytes = [];\n\n    for (var i = 0, c, lead; i < length; i++) {\n        c = str.charCodeAt(i); // code point\n\n        if (c > 0xD7FF && c < 0xE000) {\n\n            if (lead) {\n                if (c < 0xDC00) {\n                    bytes.push(0xEF, 0xBF, 0xBD);\n                    lead = c;\n                    continue;\n\n                } else {\n                    c = lead - 0xD800 << 10 | c - 0xDC00 | 0x10000;\n                    lead = null;\n                }\n\n            } else {\n                if (c > 0xDBFF || (i + 1 === length)) bytes.push(0xEF, 0xBF, 0xBD);\n                else lead = c;\n\n                continue;\n            }\n\n        } else if (lead) {\n            bytes.push(0xEF, 0xBF, 0xBD);\n            lead = null;\n        }\n\n        if (c < 0x80) bytes.push(c);\n        else if (c < 0x800) bytes.push(c >> 0x6 | 0xC0, c & 0x3F | 0x80);\n        else if (c < 0x10000) bytes.push(c >> 0xC | 0xE0, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);\n        else bytes.push(c >> 0x12 | 0xF0, c >> 0xC & 0x3F | 0x80, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);\n    }\n    return bytes;\n}\n","'use strict';\n\nmodule.exports = Pbf;\n\nvar Buffer = global.Buffer || require('./buffer');\n\nfunction Pbf(buf) {\n    this.buf = !Buffer.isBuffer(buf) ? new Buffer(buf || 0) : buf;\n    this.pos = 0;\n    this.length = this.buf.length;\n}\n\nPbf.Varint  = 0; // varint: int32, int64, uint32, uint64, sint32, sint64, bool, enum\nPbf.Fixed64 = 1; // 64-bit: double, fixed64, sfixed64\nPbf.Bytes   = 2; // length-delimited: string, bytes, embedded messages, packed repeated fields\nPbf.Fixed32 = 5; // 32-bit: float, fixed32, sfixed32\n\nvar SHIFT_LEFT_32 = (1 << 16) * (1 << 16),\n    SHIFT_RIGHT_32 = 1 / SHIFT_LEFT_32,\n    POW_2_63 = Math.pow(2, 63);\n\nPbf.prototype = {\n\n    destroy: function() {\n        this.buf = null;\n    },\n\n    // === READING =================================================================\n\n    readFields: function(readField, result, end) {\n        end = end || this.length;\n\n        while (this.pos < end) {\n            var val = this.readVarint(),\n                tag = val >> 3,\n                startPos = this.pos;\n\n            readField(tag, result, this);\n\n            if (this.pos === startPos) this.skip(val);\n        }\n        return result;\n    },\n\n    readMessage: function(readField, result) {\n        return this.readFields(readField, result, this.readVarint() + this.pos);\n    },\n\n    readFixed32: function() {\n        var val = this.buf.readUInt32LE(this.pos);\n        this.pos += 4;\n        return val;\n    },\n\n    readSFixed32: function() {\n        var val = this.buf.readInt32LE(this.pos);\n        this.pos += 4;\n        return val;\n    },\n\n    // 64-bit int handling is based on github.com/dpw/node-buffer-more-ints (MIT-licensed)\n\n    readFixed64: function() {\n        var val = this.buf.readUInt32LE(this.pos) + this.buf.readUInt32LE(this.pos + 4) * SHIFT_LEFT_32;\n        this.pos += 8;\n        return val;\n    },\n\n    readSFixed64: function() {\n        var val = this.buf.readUInt32LE(this.pos) + this.buf.readInt32LE(this.pos + 4) * SHIFT_LEFT_32;\n        this.pos += 8;\n        return val;\n    },\n\n    readFloat: function() {\n        var val = this.buf.readFloatLE(this.pos);\n        this.pos += 4;\n        return val;\n    },\n\n    readDouble: function() {\n        var val = this.buf.readDoubleLE(this.pos);\n        this.pos += 8;\n        return val;\n    },\n\n    readVarint: function() {\n        var buf = this.buf,\n            val, b;\n\n        b = buf[this.pos++]; val  =  b & 0x7f;        if (b < 0x80) return val;\n        b = buf[this.pos++]; val |= (b & 0x7f) << 7;  if (b < 0x80) return val;\n        b = buf[this.pos++]; val |= (b & 0x7f) << 14; if (b < 0x80) return val;\n        b = buf[this.pos++]; val |= (b & 0x7f) << 21; if (b < 0x80) return val;\n\n        return readVarintRemainder(val, this);\n    },\n\n    readVarint64: function() {\n        var startPos = this.pos,\n            val = this.readVarint();\n\n        if (val < POW_2_63) return val;\n\n        var pos = this.pos - 2;\n        while (this.buf[pos] === 0xff) pos--;\n        if (pos < startPos) pos = startPos;\n\n        val = 0;\n        for (var i = 0; i < pos - startPos + 1; i++) {\n            var b = ~this.buf[startPos + i] & 0x7f;\n            val += i < 4 ? b << i * 7 : b * Math.pow(2, i * 7);\n        }\n\n        return -val - 1;\n    },\n\n    readSVarint: function() {\n        var num = this.readVarint();\n        return num % 2 === 1 ? (num + 1) / -2 : num / 2; // zigzag encoding\n    },\n\n    readBoolean: function() {\n        return Boolean(this.readVarint());\n    },\n\n    readString: function() {\n        var end = this.readVarint() + this.pos,\n            str = this.buf.toString('utf8', this.pos, end);\n        this.pos = end;\n        return str;\n    },\n\n    readBytes: function() {\n        var end = this.readVarint() + this.pos,\n            buffer = this.buf.slice(this.pos, end);\n        this.pos = end;\n        return buffer;\n    },\n\n    // verbose for performance reasons; doesn't affect gzipped size\n\n    readPackedVarint: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readVarint());\n        return arr;\n    },\n    readPackedSVarint: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readSVarint());\n        return arr;\n    },\n    readPackedBoolean: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readBoolean());\n        return arr;\n    },\n    readPackedFloat: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readFloat());\n        return arr;\n    },\n    readPackedDouble: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readDouble());\n        return arr;\n    },\n    readPackedFixed32: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readFixed32());\n        return arr;\n    },\n    readPackedSFixed32: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readSFixed32());\n        return arr;\n    },\n    readPackedFixed64: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readFixed64());\n        return arr;\n    },\n    readPackedSFixed64: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readSFixed64());\n        return arr;\n    },\n\n    skip: function(val) {\n        var type = val & 0x7;\n        if (type === Pbf.Varint) while (this.buf[this.pos++] > 0x7f) {}\n        else if (type === Pbf.Bytes) this.pos = this.readVarint() + this.pos;\n        else if (type === Pbf.Fixed32) this.pos += 4;\n        else if (type === Pbf.Fixed64) this.pos += 8;\n        else throw new Error('Unimplemented type: ' + type);\n    },\n\n    // === WRITING =================================================================\n\n    writeTag: function(tag, type) {\n        this.writeVarint((tag << 3) | type);\n    },\n\n    realloc: function(min) {\n        var length = this.length || 16;\n\n        while (length < this.pos + min) length *= 2;\n\n        if (length !== this.length) {\n            var buf = new Buffer(length);\n            this.buf.copy(buf);\n            this.buf = buf;\n            this.length = length;\n        }\n    },\n\n    finish: function() {\n        this.length = this.pos;\n        this.pos = 0;\n        return this.buf.slice(0, this.length);\n    },\n\n    writeFixed32: function(val) {\n        this.realloc(4);\n        this.buf.writeUInt32LE(val, this.pos);\n        this.pos += 4;\n    },\n\n    writeSFixed32: function(val) {\n        this.realloc(4);\n        this.buf.writeInt32LE(val, this.pos);\n        this.pos += 4;\n    },\n\n    writeFixed64: function(val) {\n        this.realloc(8);\n        this.buf.writeInt32LE(val & -1, this.pos);\n        this.buf.writeUInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);\n        this.pos += 8;\n    },\n\n    writeSFixed64: function(val) {\n        this.realloc(8);\n        this.buf.writeInt32LE(val & -1, this.pos);\n        this.buf.writeInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);\n        this.pos += 8;\n    },\n\n    writeVarint: function(val) {\n        val = +val;\n\n        if (val > 0xfffffff) {\n            writeBigVarint(val, this);\n            return;\n        }\n\n        this.realloc(4);\n\n        this.buf[this.pos++] =           val & 0x7f  | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;\n        this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;\n        this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;\n        this.buf[this.pos++] =   (val >>> 7) & 0x7f;\n    },\n\n    writeSVarint: function(val) {\n        this.writeVarint(val < 0 ? -val * 2 - 1 : val * 2);\n    },\n\n    writeBoolean: function(val) {\n        this.writeVarint(Boolean(val));\n    },\n\n    writeString: function(str) {\n        str = String(str);\n        var bytes = Buffer.byteLength(str);\n        this.writeVarint(bytes);\n        this.realloc(bytes);\n        this.buf.write(str, this.pos);\n        this.pos += bytes;\n    },\n\n    writeFloat: function(val) {\n        this.realloc(4);\n        this.buf.writeFloatLE(val, this.pos);\n        this.pos += 4;\n    },\n\n    writeDouble: function(val) {\n        this.realloc(8);\n        this.buf.writeDoubleLE(val, this.pos);\n        this.pos += 8;\n    },\n\n    writeBytes: function(buffer) {\n        var len = buffer.length;\n        this.writeVarint(len);\n        this.realloc(len);\n        for (var i = 0; i < len; i++) this.buf[this.pos++] = buffer[i];\n    },\n\n    writeRawMessage: function(fn, obj) {\n        this.pos++; // reserve 1 byte for short message length\n\n        // write the message directly to the buffer and see how much was written\n        var startPos = this.pos;\n        fn(obj, this);\n        var len = this.pos - startPos;\n\n        if (len >= 0x80) reallocForRawMessage(startPos, len, this);\n\n        // finally, write the message length in the reserved place and restore the position\n        this.pos = startPos - 1;\n        this.writeVarint(len);\n        this.pos += len;\n    },\n\n    writeMessage: function(tag, fn, obj) {\n        this.writeTag(tag, Pbf.Bytes);\n        this.writeRawMessage(fn, obj);\n    },\n\n    writePackedVarint:   function(tag, arr) { this.writeMessage(tag, writePackedVarint, arr);   },\n    writePackedSVarint:  function(tag, arr) { this.writeMessage(tag, writePackedSVarint, arr);  },\n    writePackedBoolean:  function(tag, arr) { this.writeMessage(tag, writePackedBoolean, arr);  },\n    writePackedFloat:    function(tag, arr) { this.writeMessage(tag, writePackedFloat, arr);    },\n    writePackedDouble:   function(tag, arr) { this.writeMessage(tag, writePackedDouble, arr);   },\n    writePackedFixed32:  function(tag, arr) { this.writeMessage(tag, writePackedFixed32, arr);  },\n    writePackedSFixed32: function(tag, arr) { this.writeMessage(tag, writePackedSFixed32, arr); },\n    writePackedFixed64:  function(tag, arr) { this.writeMessage(tag, writePackedFixed64, arr);  },\n    writePackedSFixed64: function(tag, arr) { this.writeMessage(tag, writePackedSFixed64, arr); },\n\n    writeBytesField: function(tag, buffer) {\n        this.writeTag(tag, Pbf.Bytes);\n        this.writeBytes(buffer);\n    },\n    writeFixed32Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed32);\n        this.writeFixed32(val);\n    },\n    writeSFixed32Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed32);\n        this.writeSFixed32(val);\n    },\n    writeFixed64Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed64);\n        this.writeFixed64(val);\n    },\n    writeSFixed64Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed64);\n        this.writeSFixed64(val);\n    },\n    writeVarintField: function(tag, val) {\n        this.writeTag(tag, Pbf.Varint);\n        this.writeVarint(val);\n    },\n    writeSVarintField: function(tag, val) {\n        this.writeTag(tag, Pbf.Varint);\n        this.writeSVarint(val);\n    },\n    writeStringField: function(tag, str) {\n        this.writeTag(tag, Pbf.Bytes);\n        this.writeString(str);\n    },\n    writeFloatField: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed32);\n        this.writeFloat(val);\n    },\n    writeDoubleField: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed64);\n        this.writeDouble(val);\n    },\n    writeBooleanField: function(tag, val) {\n        this.writeVarintField(tag, Boolean(val));\n    }\n};\n\nfunction readVarintRemainder(val, pbf) {\n    var buf = pbf.buf, b;\n\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x10000000;         if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x800000000;        if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x40000000000;      if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x2000000000000;    if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x100000000000000;  if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x8000000000000000; if (b < 0x80) return val;\n\n    throw new Error('Expected varint not more than 10 bytes');\n}\n\nfunction writeBigVarint(val, pbf) {\n    pbf.realloc(10);\n\n    var maxPos = pbf.pos + 10;\n\n    while (val >= 1) {\n        if (pbf.pos >= maxPos) throw new Error('Given varint doesn\\'t fit into 10 bytes');\n        var b = val & 0xff;\n        pbf.buf[pbf.pos++] = b | (val >= 0x80 ? 0x80 : 0);\n        val /= 0x80;\n    }\n}\n\nfunction reallocForRawMessage(startPos, len, pbf) {\n    var extraLen =\n        len <= 0x3fff ? 1 :\n        len <= 0x1fffff ? 2 :\n        len <= 0xfffffff ? 3 : Math.ceil(Math.log(len) / (Math.LN2 * 7));\n\n    // if 1 byte isn't enough for encoding message length, shift the data to the right\n    pbf.realloc(extraLen);\n    for (var i = pbf.pos - 1; i >= startPos; i--) pbf.buf[i + extraLen] = pbf.buf[i];\n}\n\nfunction writePackedVarint(arr, pbf)   { for (var i = 0; i < arr.length; i++) pbf.writeVarint(arr[i]);   }\nfunction writePackedSVarint(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeSVarint(arr[i]);  }\nfunction writePackedFloat(arr, pbf)    { for (var i = 0; i < arr.length; i++) pbf.writeFloat(arr[i]);    }\nfunction writePackedDouble(arr, pbf)   { for (var i = 0; i < arr.length; i++) pbf.writeDouble(arr[i]);   }\nfunction writePackedBoolean(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeBoolean(arr[i]);  }\nfunction writePackedFixed32(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeFixed32(arr[i]);  }\nfunction writePackedSFixed32(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed32(arr[i]); }\nfunction writePackedFixed64(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeFixed64(arr[i]);  }\nfunction writePackedSFixed64(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed64(arr[i]); }\n","exports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = (value * c - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n"]}
|