1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
|
7 |
|
8 |
|
9 |
|
10 |
|
11 |
|
12 |
|
13 |
|
14 |
|
15 | (function(e){
|
16 | if("object"==typeof exports&&"undefined"!=typeof module&&"undefined"==typeof DO_NOT_EXPORT_JSZIP)module.exports=e();
|
17 | else if("function"==typeof define&&define.amd&&"undefined"==typeof DO_NOT_EXPORT_JSZIP){JSZipSync=e();define([],e);}
|
18 | else{
|
19 | var f;
|
20 | "undefined"!=typeof globalThis?f=globalThis:
|
21 | "undefined"!=typeof window?f=window:
|
22 | "undefined"!=typeof global?f=global:
|
23 | "undefined"!=typeof $ && $.global?f=$.global:
|
24 | "undefined"!=typeof self&&(f=self),f.JSZipSync=e()
|
25 | }
|
26 | }(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){
|
27 | 'use strict';
|
28 |
|
29 | var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
|
30 |
|
31 |
|
32 |
|
33 | exports.encode = function(input, utf8) {
|
34 | var output = "";
|
35 | var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
|
36 | var i = 0;
|
37 |
|
38 | while (i < input.length) {
|
39 |
|
40 | chr1 = input.charCodeAt(i++);
|
41 | chr2 = input.charCodeAt(i++);
|
42 | chr3 = input.charCodeAt(i++);
|
43 |
|
44 | enc1 = chr1 >> 2;
|
45 | enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
|
46 | enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
|
47 | enc4 = chr3 & 63;
|
48 |
|
49 | if (isNaN(chr2)) {
|
50 | enc3 = enc4 = 64;
|
51 | }
|
52 | else if (isNaN(chr3)) {
|
53 | enc4 = 64;
|
54 | }
|
55 |
|
56 | output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
|
57 |
|
58 | }
|
59 |
|
60 | return output;
|
61 | };
|
62 |
|
63 |
|
64 | exports.decode = function(input, utf8) {
|
65 | var output = "";
|
66 | var chr1, chr2, chr3;
|
67 | var enc1, enc2, enc3, enc4;
|
68 | var i = 0;
|
69 |
|
70 | input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
|
71 |
|
72 | while (i < input.length) {
|
73 |
|
74 | enc1 = _keyStr.indexOf(input.charAt(i++));
|
75 | enc2 = _keyStr.indexOf(input.charAt(i++));
|
76 | enc3 = _keyStr.indexOf(input.charAt(i++));
|
77 | enc4 = _keyStr.indexOf(input.charAt(i++));
|
78 |
|
79 | chr1 = (enc1 << 2) | (enc2 >> 4);
|
80 | chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
|
81 | chr3 = ((enc3 & 3) << 6) | enc4;
|
82 |
|
83 | output = output + String.fromCharCode(chr1);
|
84 |
|
85 | if (enc3 != 64) {
|
86 | output = output + String.fromCharCode(chr2);
|
87 | }
|
88 | if (enc4 != 64) {
|
89 | output = output + String.fromCharCode(chr3);
|
90 | }
|
91 |
|
92 | }
|
93 |
|
94 | return output;
|
95 |
|
96 | };
|
97 |
|
98 | },{}],2:[function(_dereq_,module,exports){
|
99 | 'use strict';
|
100 | function CompressedObject() {
|
101 | this.compressedSize = 0;
|
102 | this.uncompressedSize = 0;
|
103 | this.crc32 = 0;
|
104 | this.compressionMethod = null;
|
105 | this.compressedContent = null;
|
106 | }
|
107 |
|
108 | CompressedObject.prototype = {
|
109 | |
110 |
|
111 |
|
112 |
|
113 |
|
114 | getContent: function() {
|
115 | return null;
|
116 | },
|
117 | |
118 |
|
119 |
|
120 |
|
121 |
|
122 | getCompressedContent: function() {
|
123 | return null;
|
124 | }
|
125 | };
|
126 | module.exports = CompressedObject;
|
127 |
|
128 | },{}],3:[function(_dereq_,module,exports){
|
129 | 'use strict';
|
130 | exports.STORE = {
|
131 | magic: "\x00\x00",
|
132 | compress: function(content) {
|
133 | return content;
|
134 | },
|
135 | uncompress: function(content) {
|
136 | return content;
|
137 | },
|
138 | compressInputType: null,
|
139 | uncompressInputType: null
|
140 | };
|
141 | exports.DEFLATE = _dereq_('./flate');
|
142 |
|
143 | },{"./flate":8}],4:[function(_dereq_,module,exports){
|
144 | 'use strict';
|
145 |
|
146 | var utils = _dereq_('./utils');
|
147 |
|
148 | var table = [
|
149 | 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
|
150 | 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
|
151 | 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
|
152 | 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
|
153 | 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
|
154 | 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
|
155 | 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
|
156 | 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
|
157 | 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
|
158 | 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
|
159 | 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
|
160 | 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
|
161 | 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
|
162 | 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
|
163 | 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
|
164 | 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
|
165 | 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
|
166 | 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
|
167 | 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
|
168 | 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
|
169 | 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
|
170 | 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
|
171 | 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
|
172 | 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
|
173 | 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
|
174 | 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
|
175 | 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
|
176 | 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
|
177 | 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
|
178 | 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
|
179 | 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
|
180 | 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
|
181 | 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
|
182 | 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
|
183 | 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
|
184 | 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
|
185 | 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
|
186 | 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
|
187 | 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
|
188 | 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
|
189 | 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
|
190 | 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
|
191 | 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
|
192 | 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
|
193 | 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
|
194 | 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
|
195 | 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
|
196 | 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
|
197 | 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
|
198 | 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
|
199 | 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
|
200 | 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
|
201 | 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
|
202 | 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
|
203 | 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
|
204 | 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
|
205 | 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
|
206 | 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
|
207 | 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
|
208 | 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
|
209 | 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
|
210 | 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
|
211 | 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
|
212 | 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
|
213 | ];
|
214 |
|
215 |
|
216 |
|
217 |
|
218 |
|
219 |
|
220 |
|
221 | module.exports = function crc32(input, crc) {
|
222 | if (typeof input === "undefined" || !input.length) {
|
223 | return 0;
|
224 | }
|
225 |
|
226 | var isArray = utils.getTypeOf(input) !== "string";
|
227 |
|
228 | if (typeof(crc) == "undefined") {
|
229 | crc = 0;
|
230 | }
|
231 | var x = 0;
|
232 | var y = 0;
|
233 | var b = 0;
|
234 |
|
235 | crc = crc ^ (-1);
|
236 | for (var i = 0, iTop = input.length; i < iTop; i++) {
|
237 | b = isArray ? input[i] : input.charCodeAt(i);
|
238 | y = (crc ^ b) & 0xFF;
|
239 | x = table[y];
|
240 | crc = (crc >>> 8) ^ x;
|
241 | }
|
242 |
|
243 | return crc ^ (-1);
|
244 | };
|
245 |
|
246 |
|
247 | },{"./utils":21}],5:[function(_dereq_,module,exports){
|
248 | 'use strict';
|
249 | var utils = _dereq_('./utils');
|
250 |
|
251 | function DataReader(data) {
|
252 | this.data = null;
|
253 | this.length = 0;
|
254 | this.index = 0;
|
255 | }
|
256 | DataReader.prototype = {
|
257 | |
258 |
|
259 |
|
260 |
|
261 |
|
262 | checkOffset: function(offset) {
|
263 | this.checkIndex(this.index + offset);
|
264 | },
|
265 | |
266 |
|
267 |
|
268 |
|
269 |
|
270 | checkIndex: function(newIndex) {
|
271 | if (this.length < newIndex || newIndex < 0) {
|
272 | throw new Error("End of data reached (data length = " + this.length + ", asked index = " + (newIndex) + "). Corrupted zip ?");
|
273 | }
|
274 | },
|
275 | |
276 |
|
277 |
|
278 |
|
279 |
|
280 | setIndex: function(newIndex) {
|
281 | this.checkIndex(newIndex);
|
282 | this.index = newIndex;
|
283 | },
|
284 | |
285 |
|
286 |
|
287 |
|
288 |
|
289 | skip: function(n) {
|
290 | this.setIndex(this.index + n);
|
291 | },
|
292 | |
293 |
|
294 |
|
295 |
|
296 |
|
297 | byteAt: function(i) {
|
298 |
|
299 | },
|
300 | |
301 |
|
302 |
|
303 |
|
304 |
|
305 | readInt: function(size) {
|
306 | var result = 0,
|
307 | i;
|
308 | this.checkOffset(size);
|
309 | for (i = this.index + size - 1; i >= this.index; i--) {
|
310 | result = (result << 8) + this.byteAt(i);
|
311 | }
|
312 | this.index += size;
|
313 | return result;
|
314 | },
|
315 | |
316 |
|
317 |
|
318 |
|
319 |
|
320 | readString: function(size) {
|
321 | return utils.transformTo("string", this.readData(size));
|
322 | },
|
323 | |
324 |
|
325 |
|
326 |
|
327 |
|
328 | readData: function(size) {
|
329 |
|
330 | },
|
331 | |
332 |
|
333 |
|
334 |
|
335 |
|
336 | lastIndexOfSignature: function(sig) {
|
337 |
|
338 | },
|
339 | |
340 |
|
341 |
|
342 |
|
343 | readDate: function() {
|
344 | var dostime = this.readInt(4);
|
345 | return new Date(
|
346 | ((dostime >> 25) & 0x7f) + 1980,
|
347 | ((dostime >> 21) & 0x0f) - 1,
|
348 | (dostime >> 16) & 0x1f,
|
349 | (dostime >> 11) & 0x1f,
|
350 | (dostime >> 5) & 0x3f,
|
351 | (dostime & 0x1f) << 1);
|
352 | }
|
353 | };
|
354 | module.exports = DataReader;
|
355 |
|
356 | },{"./utils":21}],6:[function(_dereq_,module,exports){
|
357 | 'use strict';
|
358 | exports.base64 = false;
|
359 | exports.binary = false;
|
360 | exports.dir = false;
|
361 | exports.createFolders = false;
|
362 | exports.date = null;
|
363 | exports.compression = null;
|
364 | exports.comment = null;
|
365 |
|
366 | },{}],7:[function(_dereq_,module,exports){
|
367 | 'use strict';
|
368 | var utils = _dereq_('./utils');
|
369 |
|
370 |
|
371 |
|
372 |
|
373 |
|
374 | exports.string2binary = function(str) {
|
375 | return utils.string2binary(str);
|
376 | };
|
377 |
|
378 |
|
379 |
|
380 |
|
381 |
|
382 | exports.string2Uint8Array = function(str) {
|
383 | return utils.transformTo("uint8array", str);
|
384 | };
|
385 |
|
386 |
|
387 |
|
388 |
|
389 |
|
390 | exports.uint8Array2String = function(array) {
|
391 | return utils.transformTo("string", array);
|
392 | };
|
393 |
|
394 |
|
395 |
|
396 |
|
397 |
|
398 | exports.string2Blob = function(str) {
|
399 | var buffer = utils.transformTo("arraybuffer", str);
|
400 | return utils.arrayBuffer2Blob(buffer);
|
401 | };
|
402 |
|
403 |
|
404 |
|
405 |
|
406 |
|
407 | exports.arrayBuffer2Blob = function(buffer) {
|
408 | return utils.arrayBuffer2Blob(buffer);
|
409 | };
|
410 |
|
411 |
|
412 |
|
413 |
|
414 |
|
415 | exports.transformTo = function(outputType, input) {
|
416 | return utils.transformTo(outputType, input);
|
417 | };
|
418 |
|
419 |
|
420 |
|
421 |
|
422 |
|
423 | exports.getTypeOf = function(input) {
|
424 | return utils.getTypeOf(input);
|
425 | };
|
426 |
|
427 |
|
428 |
|
429 |
|
430 |
|
431 | exports.checkSupport = function(type) {
|
432 | return utils.checkSupport(type);
|
433 | };
|
434 |
|
435 |
|
436 |
|
437 |
|
438 |
|
439 | exports.MAX_VALUE_16BITS = utils.MAX_VALUE_16BITS;
|
440 |
|
441 |
|
442 |
|
443 |
|
444 |
|
445 | exports.MAX_VALUE_32BITS = utils.MAX_VALUE_32BITS;
|
446 |
|
447 |
|
448 |
|
449 |
|
450 |
|
451 |
|
452 | exports.pretty = function(str) {
|
453 | return utils.pretty(str);
|
454 | };
|
455 |
|
456 |
|
457 |
|
458 |
|
459 |
|
460 | exports.findCompression = function(compressionMethod) {
|
461 | return utils.findCompression(compressionMethod);
|
462 | };
|
463 |
|
464 |
|
465 |
|
466 |
|
467 |
|
468 | exports.isRegExp = function (object) {
|
469 | return utils.isRegExp(object);
|
470 | };
|
471 |
|
472 |
|
473 | },{"./utils":21}],8:[function(_dereq_,module,exports){
|
474 | 'use strict';
|
475 | var USE_TYPEDARRAY = (typeof Uint8Array !== 'undefined') && (typeof Uint16Array !== 'undefined') && (typeof Uint32Array !== 'undefined');
|
476 |
|
477 | var pako = _dereq_("pako");
|
478 | exports.uncompressInputType = USE_TYPEDARRAY ? "uint8array" : "array";
|
479 | exports.compressInputType = USE_TYPEDARRAY ? "uint8array" : "array";
|
480 |
|
481 | exports.magic = "\x08\x00";
|
482 | exports.compress = function(input) {
|
483 | return pako.deflateRaw(input);
|
484 | };
|
485 | exports.uncompress = function(input) {
|
486 | return pako.inflateRaw(input);
|
487 | };
|
488 |
|
489 | },{"pako":24}],9:[function(_dereq_,module,exports){
|
490 | 'use strict';
|
491 |
|
492 | var base64 = _dereq_('./base64');
|
493 |
|
494 |
|
495 |
|
496 |
|
497 |
|
498 |
|
499 |
|
500 |
|
501 |
|
502 |
|
503 |
|
504 |
|
505 |
|
506 |
|
507 |
|
508 |
|
509 |
|
510 |
|
511 |
|
512 | function JSZipSync(data, options) {
|
513 |
|
514 | if(!(this instanceof JSZipSync)) return new JSZipSync(data, options);
|
515 |
|
516 |
|
517 |
|
518 |
|
519 |
|
520 |
|
521 | this.files = {};
|
522 |
|
523 | this.comment = null;
|
524 |
|
525 |
|
526 | this.root = "";
|
527 | if (data) {
|
528 | this.load(data, options);
|
529 | }
|
530 | this.clone = function() {
|
531 | var newObj = new JSZipSync();
|
532 | for (var i in this) {
|
533 | if (typeof this[i] !== "function") {
|
534 | newObj[i] = this[i];
|
535 | }
|
536 | }
|
537 | return newObj;
|
538 | };
|
539 | }
|
540 | JSZipSync.prototype = _dereq_('./object');
|
541 | JSZipSync.prototype.load = _dereq_('./load');
|
542 | JSZipSync.support = _dereq_('./support');
|
543 | JSZipSync.defaults = _dereq_('./defaults');
|
544 |
|
545 |
|
546 |
|
547 |
|
548 |
|
549 | JSZipSync.utils = _dereq_('./deprecatedPublicUtils');
|
550 |
|
551 | JSZipSync.base64 = {
|
552 | |
553 |
|
554 |
|
555 |
|
556 | encode : function(input) {
|
557 | return base64.encode(input);
|
558 | },
|
559 | |
560 |
|
561 |
|
562 |
|
563 | decode : function(input) {
|
564 | return base64.decode(input);
|
565 | }
|
566 | };
|
567 | JSZipSync.compressions = _dereq_('./compressions');
|
568 | module.exports = JSZipSync;
|
569 |
|
570 | },{"./base64":1,"./compressions":3,"./defaults":6,"./deprecatedPublicUtils":7,"./load":10,"./object":13,"./support":17}],10:[function(_dereq_,module,exports){
|
571 | 'use strict';
|
572 | var base64 = _dereq_('./base64');
|
573 | var ZipEntries = _dereq_('./zipEntries');
|
574 | module.exports = function(data, options) {
|
575 | var files, zipEntries, i, input;
|
576 | options = options || {};
|
577 | if (options.base64) {
|
578 | data = base64.decode(data);
|
579 | }
|
580 |
|
581 | zipEntries = new ZipEntries(data, options);
|
582 | files = zipEntries.files;
|
583 | for (i = 0; i < files.length; i++) {
|
584 | input = files[i];
|
585 | this.file(input.fileName, input.decompressed, {
|
586 | binary: true,
|
587 | optimizedBinaryString: true,
|
588 | date: input.date,
|
589 | dir: input.dir,
|
590 | comment : input.fileComment.length ? input.fileComment : null,
|
591 | createFolders: options.createFolders
|
592 | });
|
593 | }
|
594 | if (zipEntries.zipComment.length) {
|
595 | this.comment = zipEntries.zipComment;
|
596 | }
|
597 |
|
598 | return this;
|
599 | };
|
600 |
|
601 | },{"./base64":1,"./zipEntries":22}],11:[function(_dereq_,module,exports){
|
602 | (function (Buffer){
|
603 | 'use strict';
|
604 | var Buffer_from = function(){};
|
605 | if(typeof Buffer !== 'undefined') {
|
606 | var nbfs = !Buffer.from;
|
607 | if(!nbfs) try { Buffer.from("foo", "utf8"); } catch(e) { nbfs = true; }
|
608 | Buffer_from = nbfs ? function(buf, enc) { return (enc) ? new Buffer(buf, enc) : new Buffer(buf); } : Buffer.from.bind(Buffer);
|
609 |
|
610 | if(!Buffer.alloc) Buffer.alloc = function(n) { return new Buffer(n); };
|
611 | }
|
612 | module.exports = function(data, encoding){
|
613 | return typeof data == 'number' ? Buffer.alloc(data) : Buffer_from(data, encoding);
|
614 | };
|
615 | module.exports.test = function(b){
|
616 | return Buffer.isBuffer(b);
|
617 | };
|
618 | }).call(this,(typeof Buffer !== "undefined" ? Buffer : undefined))
|
619 | },{}],12:[function(_dereq_,module,exports){
|
620 | 'use strict';
|
621 | var Uint8ArrayReader = _dereq_('./uint8ArrayReader');
|
622 |
|
623 | function NodeBufferReader(data) {
|
624 | this.data = data;
|
625 | this.length = this.data.length;
|
626 | this.index = 0;
|
627 | }
|
628 | NodeBufferReader.prototype = new Uint8ArrayReader();
|
629 |
|
630 |
|
631 |
|
632 |
|
633 | NodeBufferReader.prototype.readData = function(size) {
|
634 | this.checkOffset(size);
|
635 | var result = this.data.slice(this.index, this.index + size);
|
636 | this.index += size;
|
637 | return result;
|
638 | };
|
639 | module.exports = NodeBufferReader;
|
640 |
|
641 | },{"./uint8ArrayReader":18}],13:[function(_dereq_,module,exports){
|
642 | 'use strict';
|
643 | var support = _dereq_('./support');
|
644 | var utils = _dereq_('./utils');
|
645 | var crc32 = _dereq_('./crc32');
|
646 | var signature = _dereq_('./signature');
|
647 | var defaults = _dereq_('./defaults');
|
648 | var base64 = _dereq_('./base64');
|
649 | var compressions = _dereq_('./compressions');
|
650 | var CompressedObject = _dereq_('./compressedObject');
|
651 | var nodeBuffer = _dereq_('./nodeBuffer');
|
652 | var utf8 = _dereq_('./utf8');
|
653 | var StringWriter = _dereq_('./stringWriter');
|
654 | var Uint8ArrayWriter = _dereq_('./uint8ArrayWriter');
|
655 |
|
656 |
|
657 |
|
658 |
|
659 |
|
660 |
|
661 | var getRawData = function(file) {
|
662 | if (file._data instanceof CompressedObject) {
|
663 | file._data = file._data.getContent();
|
664 | file.options.binary = true;
|
665 | file.options.base64 = false;
|
666 |
|
667 | if (utils.getTypeOf(file._data) === "uint8array") {
|
668 | var copy = file._data;
|
669 |
|
670 |
|
671 | file._data = new Uint8Array(copy.length);
|
672 |
|
673 | if (copy.length !== 0) {
|
674 | file._data.set(copy, 0);
|
675 | }
|
676 | }
|
677 | }
|
678 | return file._data;
|
679 | };
|
680 |
|
681 |
|
682 |
|
683 |
|
684 |
|
685 |
|
686 | var getBinaryData = function(file) {
|
687 | var result = getRawData(file),
|
688 | type = utils.getTypeOf(result);
|
689 | if (type === "string") {
|
690 | if (!file.options.binary) {
|
691 |
|
692 |
|
693 | if (support.nodebuffer) {
|
694 | return nodeBuffer(result, "utf-8");
|
695 | }
|
696 | }
|
697 | return file.asBinary();
|
698 | }
|
699 | return result;
|
700 | };
|
701 |
|
702 |
|
703 |
|
704 |
|
705 |
|
706 |
|
707 | var dataToString = function(asUTF8) {
|
708 | var result = getRawData(this);
|
709 | if (result === null || typeof result === "undefined") {
|
710 | return "";
|
711 | }
|
712 |
|
713 | if (this.options.base64) {
|
714 | result = base64.decode(result);
|
715 | }
|
716 | if (asUTF8 && this.options.binary) {
|
717 |
|
718 |
|
719 | result = out.utf8decode(result);
|
720 | }
|
721 | else {
|
722 |
|
723 | result = utils.transformTo("string", result);
|
724 | }
|
725 |
|
726 | if (!asUTF8 && !this.options.binary) {
|
727 | result = utils.transformTo("string", out.utf8encode(result));
|
728 | }
|
729 | return result;
|
730 | };
|
731 |
|
732 |
|
733 |
|
734 |
|
735 |
|
736 |
|
737 |
|
738 | var ZipObject = function(name, data, options) {
|
739 | this.name = name;
|
740 | this.dir = options.dir;
|
741 | this.date = options.date;
|
742 | this.comment = options.comment;
|
743 |
|
744 | this._data = data;
|
745 | this.options = options;
|
746 |
|
747 | |
748 |
|
749 |
|
750 |
|
751 |
|
752 | this._initialMetadata = {
|
753 | dir : options.dir,
|
754 | date : options.date
|
755 | };
|
756 | };
|
757 |
|
758 | ZipObject.prototype = {
|
759 | |
760 |
|
761 |
|
762 |
|
763 | asText: function() {
|
764 | return dataToString.call(this, true);
|
765 | },
|
766 | |
767 |
|
768 |
|
769 |
|
770 | asBinary: function() {
|
771 | return dataToString.call(this, false);
|
772 | },
|
773 | |
774 |
|
775 |
|
776 |
|
777 | asNodeBuffer: function() {
|
778 | var result = getBinaryData(this);
|
779 | return utils.transformTo("nodebuffer", result);
|
780 | },
|
781 | |
782 |
|
783 |
|
784 |
|
785 | asUint8Array: function() {
|
786 | var result = getBinaryData(this);
|
787 | return utils.transformTo("uint8array", result);
|
788 | },
|
789 | |
790 |
|
791 |
|
792 |
|
793 | asArrayBuffer: function() {
|
794 | return this.asUint8Array().buffer;
|
795 | }
|
796 | };
|
797 |
|
798 |
|
799 |
|
800 |
|
801 |
|
802 |
|
803 |
|
804 |
|
805 | var decToHex = function(dec, bytes) {
|
806 | var hex = "",
|
807 | i;
|
808 | for (i = 0; i < bytes; i++) {
|
809 | hex += String.fromCharCode(dec & 0xff);
|
810 | dec = dec >>> 8;
|
811 | }
|
812 | return hex;
|
813 | };
|
814 |
|
815 |
|
816 |
|
817 |
|
818 |
|
819 |
|
820 |
|
821 | var extend = function() {
|
822 | var result = {}, i, attr;
|
823 | for (i = 0; i < arguments.length; i++) {
|
824 | for (attr in arguments[i]) {
|
825 | if (arguments[i].hasOwnProperty(attr) && typeof result[attr] === "undefined") {
|
826 | result[attr] = arguments[i][attr];
|
827 | }
|
828 | }
|
829 | }
|
830 | return result;
|
831 | };
|
832 |
|
833 |
|
834 |
|
835 |
|
836 |
|
837 |
|
838 |
|
839 |
|
840 | var prepareFileAttrs = function(o) {
|
841 | o = o || {};
|
842 | if (o.base64 === true && (o.binary === null || o.binary === undefined)) {
|
843 | o.binary = true;
|
844 | }
|
845 | o = extend(o, defaults);
|
846 | o.date = o.date || new Date();
|
847 | if (o.compression !== null) o.compression = o.compression.toUpperCase();
|
848 |
|
849 | return o;
|
850 | };
|
851 |
|
852 |
|
853 |
|
854 |
|
855 |
|
856 |
|
857 |
|
858 |
|
859 |
|
860 | var fileAdd = function(name, data, o) {
|
861 |
|
862 | var dataType = utils.getTypeOf(data),
|
863 | parent;
|
864 |
|
865 | o = prepareFileAttrs(o);
|
866 |
|
867 | if (o.createFolders && (parent = parentFolder(name))) {
|
868 | folderAdd.call(this, parent, true);
|
869 | }
|
870 |
|
871 | if (o.dir || data === null || typeof data === "undefined") {
|
872 | o.base64 = false;
|
873 | o.binary = false;
|
874 | data = null;
|
875 | }
|
876 | else if (dataType === "string") {
|
877 | if (o.binary && !o.base64) {
|
878 |
|
879 | if (o.optimizedBinaryString !== true) {
|
880 |
|
881 |
|
882 | data = utils.string2binary(data);
|
883 | }
|
884 | }
|
885 | }
|
886 | else {
|
887 | o.base64 = false;
|
888 | o.binary = true;
|
889 |
|
890 | if (!dataType && !(data instanceof CompressedObject)) {
|
891 | throw new Error("The data of '" + name + "' is in an unsupported format !");
|
892 | }
|
893 |
|
894 |
|
895 | if (dataType === "arraybuffer") {
|
896 | data = utils.transformTo("uint8array", data);
|
897 | }
|
898 | }
|
899 |
|
900 | var object = new ZipObject(name, data, o);
|
901 | this.files[name] = object;
|
902 | return object;
|
903 | };
|
904 |
|
905 |
|
906 |
|
907 |
|
908 |
|
909 |
|
910 |
|
911 | var parentFolder = function (path) {
|
912 | if (path.slice(-1) == '/') {
|
913 | path = path.substring(0, path.length - 1);
|
914 | }
|
915 | var lastSlash = path.lastIndexOf('/');
|
916 | return (lastSlash > 0) ? path.substring(0, lastSlash) : "";
|
917 | };
|
918 |
|
919 |
|
920 |
|
921 |
|
922 |
|
923 |
|
924 |
|
925 |
|
926 |
|
927 | var folderAdd = function(name, createFolders) {
|
928 |
|
929 | if (name.slice(-1) != "/") {
|
930 | name += "/";
|
931 | }
|
932 |
|
933 | createFolders = (typeof createFolders !== 'undefined') ? createFolders : false;
|
934 |
|
935 |
|
936 | if (!this.files[name]) {
|
937 | fileAdd.call(this, name, null, {
|
938 | dir: true,
|
939 | createFolders: createFolders
|
940 | });
|
941 | }
|
942 | return this.files[name];
|
943 | };
|
944 |
|
945 |
|
946 |
|
947 |
|
948 |
|
949 |
|
950 |
|
951 | var generateCompressedObjectFrom = function(file, compression) {
|
952 | var result = new CompressedObject(),
|
953 | content;
|
954 |
|
955 |
|
956 | if (file._data instanceof CompressedObject) {
|
957 | result.uncompressedSize = file._data.uncompressedSize;
|
958 | result.crc32 = file._data.crc32;
|
959 |
|
960 | if (result.uncompressedSize === 0 || file.dir) {
|
961 | compression = compressions['STORE'];
|
962 | result.compressedContent = "";
|
963 | result.crc32 = 0;
|
964 | }
|
965 | else if (file._data.compressionMethod === compression.magic) {
|
966 | result.compressedContent = file._data.getCompressedContent();
|
967 | }
|
968 | else {
|
969 | content = file._data.getContent();
|
970 |
|
971 | result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content));
|
972 | }
|
973 | }
|
974 | else {
|
975 |
|
976 | content = getBinaryData(file);
|
977 | if (!content || content.length === 0 || file.dir) {
|
978 | compression = compressions['STORE'];
|
979 | content = "";
|
980 | }
|
981 | result.uncompressedSize = content.length;
|
982 | result.crc32 = crc32(content);
|
983 | result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content));
|
984 | }
|
985 |
|
986 | result.compressedSize = result.compressedContent.length;
|
987 | result.compressionMethod = compression.magic;
|
988 |
|
989 | return result;
|
990 | };
|
991 |
|
992 |
|
993 |
|
994 |
|
995 |
|
996 |
|
997 |
|
998 |
|
999 |
|
1000 | var generateZipParts = function(name, file, compressedObject, offset) {
|
1001 | var data = compressedObject.compressedContent,
|
1002 | utfEncodedFileName = utils.transformTo("string", utf8.utf8encode(file.name)),
|
1003 | comment = file.comment || "",
|
1004 | utfEncodedComment = utils.transformTo("string", utf8.utf8encode(comment)),
|
1005 | useUTF8ForFileName = utfEncodedFileName.length !== file.name.length,
|
1006 | useUTF8ForComment = utfEncodedComment.length !== comment.length,
|
1007 | o = file.options,
|
1008 | dosTime,
|
1009 | dosDate,
|
1010 | extraFields = "",
|
1011 | unicodePathExtraField = "",
|
1012 | unicodeCommentExtraField = "",
|
1013 | dir, date;
|
1014 |
|
1015 |
|
1016 |
|
1017 | if (file._initialMetadata.dir !== file.dir) {
|
1018 | dir = file.dir;
|
1019 | } else {
|
1020 | dir = o.dir;
|
1021 | }
|
1022 |
|
1023 |
|
1024 | if(file._initialMetadata.date !== file.date) {
|
1025 | date = file.date;
|
1026 | } else {
|
1027 | date = o.date;
|
1028 | }
|
1029 |
|
1030 |
|
1031 | dosTime = date.getHours();
|
1032 | dosTime = dosTime << 6;
|
1033 | dosTime = dosTime | date.getMinutes();
|
1034 | dosTime = dosTime << 5;
|
1035 | dosTime = dosTime | date.getSeconds() / 2;
|
1036 |
|
1037 | dosDate = date.getFullYear() - 1980;
|
1038 | dosDate = dosDate << 4;
|
1039 | dosDate = dosDate | (date.getMonth() + 1);
|
1040 | dosDate = dosDate << 5;
|
1041 | dosDate = dosDate | date.getDate();
|
1042 |
|
1043 | if (useUTF8ForFileName) {
|
1044 |
|
1045 |
|
1046 |
|
1047 |
|
1048 |
|
1049 |
|
1050 |
|
1051 |
|
1052 |
|
1053 | unicodePathExtraField =
|
1054 |
|
1055 | decToHex(1, 1) +
|
1056 |
|
1057 | decToHex(crc32(utfEncodedFileName), 4) +
|
1058 |
|
1059 | utfEncodedFileName;
|
1060 |
|
1061 | extraFields +=
|
1062 |
|
1063 | "\x75\x70" +
|
1064 |
|
1065 | decToHex(unicodePathExtraField.length, 2) +
|
1066 |
|
1067 | unicodePathExtraField;
|
1068 | }
|
1069 |
|
1070 | if(useUTF8ForComment) {
|
1071 |
|
1072 | unicodeCommentExtraField =
|
1073 |
|
1074 | decToHex(1, 1) +
|
1075 |
|
1076 | decToHex(this.crc32(utfEncodedComment), 4) +
|
1077 |
|
1078 | utfEncodedComment;
|
1079 |
|
1080 | extraFields +=
|
1081 |
|
1082 | "\x75\x63" +
|
1083 |
|
1084 | decToHex(unicodeCommentExtraField.length, 2) +
|
1085 |
|
1086 | unicodeCommentExtraField;
|
1087 | }
|
1088 |
|
1089 | var header = "";
|
1090 |
|
1091 |
|
1092 | header += "\x0A\x00";
|
1093 |
|
1094 |
|
1095 | header += (useUTF8ForFileName || useUTF8ForComment) ? "\x00\x08" : "\x00\x00";
|
1096 |
|
1097 | header += compressedObject.compressionMethod;
|
1098 |
|
1099 | header += decToHex(dosTime, 2);
|
1100 |
|
1101 | header += decToHex(dosDate, 2);
|
1102 |
|
1103 | header += decToHex(compressedObject.crc32, 4);
|
1104 |
|
1105 | header += decToHex(compressedObject.compressedSize, 4);
|
1106 |
|
1107 | header += decToHex(compressedObject.uncompressedSize, 4);
|
1108 |
|
1109 | header += decToHex(utfEncodedFileName.length, 2);
|
1110 |
|
1111 | header += decToHex(extraFields.length, 2);
|
1112 |
|
1113 |
|
1114 | var fileRecord = signature.LOCAL_FILE_HEADER + header + utfEncodedFileName + extraFields;
|
1115 |
|
1116 | var dirRecord = signature.CENTRAL_FILE_HEADER +
|
1117 |
|
1118 | "\x14\x00" +
|
1119 |
|
1120 | header +
|
1121 |
|
1122 | decToHex(utfEncodedComment.length, 2) +
|
1123 |
|
1124 | "\x00\x00" +
|
1125 |
|
1126 | "\x00\x00" +
|
1127 |
|
1128 | (dir === true ? "\x10\x00\x00\x00" : "\x00\x00\x00\x00") +
|
1129 |
|
1130 | decToHex(offset, 4) +
|
1131 |
|
1132 | utfEncodedFileName +
|
1133 |
|
1134 | extraFields +
|
1135 |
|
1136 | utfEncodedComment;
|
1137 |
|
1138 | return {
|
1139 | fileRecord: fileRecord,
|
1140 | dirRecord: dirRecord,
|
1141 | compressedObject: compressedObject
|
1142 | };
|
1143 | };
|
1144 |
|
1145 |
|
1146 |
|
1147 | var out = {
|
1148 | |
1149 |
|
1150 |
|
1151 |
|
1152 |
|
1153 |
|
1154 |
|
1155 |
|
1156 | load: function(stream, options) {
|
1157 | throw new Error("Load method is not defined. Is the file jszip-load.js included ?");
|
1158 | },
|
1159 |
|
1160 | |
1161 |
|
1162 |
|
1163 |
|
1164 |
|
1165 |
|
1166 |
|
1167 | filter: function(search) {
|
1168 | var result = [],
|
1169 | filename, relativePath, file, fileClone;
|
1170 | for (filename in this.files) {
|
1171 | if (!this.files.hasOwnProperty(filename)) {
|
1172 | continue;
|
1173 | }
|
1174 | file = this.files[filename];
|
1175 |
|
1176 | fileClone = new ZipObject(file.name, file._data, extend(file.options));
|
1177 | relativePath = filename.slice(this.root.length, filename.length);
|
1178 | if (filename.slice(0, this.root.length) === this.root &&
|
1179 | search(relativePath, fileClone)) {
|
1180 | result.push(fileClone);
|
1181 | }
|
1182 | }
|
1183 | return result;
|
1184 | },
|
1185 |
|
1186 | |
1187 |
|
1188 |
|
1189 |
|
1190 |
|
1191 |
|
1192 |
|
1193 |
|
1194 |
|
1195 | file: function(name, data, o) {
|
1196 | if (arguments.length === 1) {
|
1197 | if (utils.isRegExp(name)) {
|
1198 | var regexp = name;
|
1199 | return this.filter(function(relativePath, file) {
|
1200 | return !file.dir && regexp.test(relativePath);
|
1201 | });
|
1202 | }
|
1203 | else {
|
1204 | return this.filter(function(relativePath, file) {
|
1205 | return !file.dir && relativePath === name;
|
1206 | })[0] || null;
|
1207 | }
|
1208 | }
|
1209 | else {
|
1210 | name = this.root + name;
|
1211 | fileAdd.call(this, name, data, o);
|
1212 | }
|
1213 | return this;
|
1214 | },
|
1215 |
|
1216 | |
1217 |
|
1218 |
|
1219 |
|
1220 |
|
1221 | folder: function(arg) {
|
1222 | if (!arg) {
|
1223 | return this;
|
1224 | }
|
1225 |
|
1226 | if (utils.isRegExp(arg)) {
|
1227 | return this.filter(function(relativePath, file) {
|
1228 | return file.dir && arg.test(relativePath);
|
1229 | });
|
1230 | }
|
1231 |
|
1232 |
|
1233 | var name = this.root + arg;
|
1234 | var newFolder = folderAdd.call(this, name);
|
1235 |
|
1236 |
|
1237 | var ret = this.clone();
|
1238 | ret.root = newFolder.name;
|
1239 | return ret;
|
1240 | },
|
1241 |
|
1242 | |
1243 |
|
1244 |
|
1245 |
|
1246 |
|
1247 | remove: function(name) {
|
1248 | name = this.root + name;
|
1249 | var file = this.files[name];
|
1250 | if (!file) {
|
1251 |
|
1252 | if (name.slice(-1) != "/") {
|
1253 | name += "/";
|
1254 | }
|
1255 | file = this.files[name];
|
1256 | }
|
1257 |
|
1258 | if (file && !file.dir) {
|
1259 |
|
1260 | delete this.files[name];
|
1261 | } else {
|
1262 |
|
1263 | var kids = this.filter(function(relativePath, file) {
|
1264 | return file.name.slice(0, name.length) === name;
|
1265 | });
|
1266 | for (var i = 0; i < kids.length; i++) {
|
1267 | delete this.files[kids[i].name];
|
1268 | }
|
1269 | }
|
1270 |
|
1271 | return this;
|
1272 | },
|
1273 |
|
1274 | |
1275 |
|
1276 |
|
1277 |
|
1278 |
|
1279 |
|
1280 |
|
1281 |
|
1282 | generate: function(options) {
|
1283 | options = extend(options || {}, {
|
1284 | base64: true,
|
1285 | compression: "STORE",
|
1286 | type: "base64",
|
1287 | comment: null
|
1288 | });
|
1289 |
|
1290 | utils.checkSupport(options.type);
|
1291 |
|
1292 | var zipData = [],
|
1293 | localDirLength = 0,
|
1294 | centralDirLength = 0,
|
1295 | writer, i,
|
1296 | utfEncodedComment = utils.transformTo("string", this.utf8encode(options.comment || this.comment || ""));
|
1297 |
|
1298 |
|
1299 | for (var name in this.files) {
|
1300 | if (!this.files.hasOwnProperty(name)) {
|
1301 | continue;
|
1302 | }
|
1303 | var file = this.files[name];
|
1304 |
|
1305 | var compressionName = file.options.compression || options.compression.toUpperCase();
|
1306 | var compression = compressions[compressionName];
|
1307 | if (!compression) {
|
1308 | throw new Error(compressionName + " is not a valid compression method !");
|
1309 | }
|
1310 |
|
1311 | var compressedObject = generateCompressedObjectFrom.call(this, file, compression);
|
1312 |
|
1313 | var zipPart = generateZipParts.call(this, name, file, compressedObject, localDirLength);
|
1314 | localDirLength += zipPart.fileRecord.length + compressedObject.compressedSize;
|
1315 | centralDirLength += zipPart.dirRecord.length;
|
1316 | zipData.push(zipPart);
|
1317 | }
|
1318 |
|
1319 | var dirEnd = "";
|
1320 |
|
1321 |
|
1322 | dirEnd = signature.CENTRAL_DIRECTORY_END +
|
1323 |
|
1324 | "\x00\x00" +
|
1325 |
|
1326 | "\x00\x00" +
|
1327 |
|
1328 | decToHex(zipData.length, 2) +
|
1329 |
|
1330 | decToHex(zipData.length, 2) +
|
1331 |
|
1332 | decToHex(centralDirLength, 4) +
|
1333 |
|
1334 | decToHex(localDirLength, 4) +
|
1335 |
|
1336 | decToHex(utfEncodedComment.length, 2) +
|
1337 |
|
1338 | utfEncodedComment;
|
1339 |
|
1340 |
|
1341 |
|
1342 |
|
1343 | var typeName = options.type.toLowerCase();
|
1344 | if(typeName==="uint8array"||typeName==="arraybuffer"||typeName==="blob"||typeName==="nodebuffer") {
|
1345 | writer = new Uint8ArrayWriter(localDirLength + centralDirLength + dirEnd.length);
|
1346 | }else{
|
1347 | writer = new StringWriter(localDirLength + centralDirLength + dirEnd.length);
|
1348 | }
|
1349 |
|
1350 | for (i = 0; i < zipData.length; i++) {
|
1351 | writer.append(zipData[i].fileRecord);
|
1352 | writer.append(zipData[i].compressedObject.compressedContent);
|
1353 | }
|
1354 | for (i = 0; i < zipData.length; i++) {
|
1355 | writer.append(zipData[i].dirRecord);
|
1356 | }
|
1357 |
|
1358 | writer.append(dirEnd);
|
1359 |
|
1360 | var zip = writer.finalize();
|
1361 |
|
1362 |
|
1363 |
|
1364 | switch(options.type.toLowerCase()) {
|
1365 |
|
1366 | case "uint8array" :
|
1367 | case "arraybuffer" :
|
1368 | case "nodebuffer" :
|
1369 | return utils.transformTo(options.type.toLowerCase(), zip);
|
1370 | case "blob" :
|
1371 | return utils.arrayBuffer2Blob(utils.transformTo("arraybuffer", zip));
|
1372 |
|
1373 | case "base64" :
|
1374 | return (options.base64) ? base64.encode(zip) : zip;
|
1375 | default :
|
1376 | return zip;
|
1377 | }
|
1378 |
|
1379 | },
|
1380 |
|
1381 | |
1382 |
|
1383 |
|
1384 |
|
1385 | crc32: function (input, crc) {
|
1386 | return crc32(input, crc);
|
1387 | },
|
1388 |
|
1389 | |
1390 |
|
1391 |
|
1392 |
|
1393 | utf8encode: function (string) {
|
1394 | return utils.transformTo("string", utf8.utf8encode(string));
|
1395 | },
|
1396 |
|
1397 | |
1398 |
|
1399 |
|
1400 |
|
1401 | utf8decode: function (input) {
|
1402 | return utf8.utf8decode(input);
|
1403 | }
|
1404 | };
|
1405 | module.exports = out;
|
1406 |
|
1407 | },{"./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){
|
1408 | 'use strict';
|
1409 | exports.LOCAL_FILE_HEADER = "PK\x03\x04";
|
1410 | exports.CENTRAL_FILE_HEADER = "PK\x01\x02";
|
1411 | exports.CENTRAL_DIRECTORY_END = "PK\x05\x06";
|
1412 | exports.ZIP64_CENTRAL_DIRECTORY_LOCATOR = "PK\x06\x07";
|
1413 | exports.ZIP64_CENTRAL_DIRECTORY_END = "PK\x06\x06";
|
1414 | exports.DATA_DESCRIPTOR = "PK\x07\x08";
|
1415 |
|
1416 | },{}],15:[function(_dereq_,module,exports){
|
1417 | 'use strict';
|
1418 | var DataReader = _dereq_('./dataReader');
|
1419 | var utils = _dereq_('./utils');
|
1420 |
|
1421 | function StringReader(data, optimizedBinaryString) {
|
1422 | this.data = data;
|
1423 | if (!optimizedBinaryString) {
|
1424 | this.data = utils.string2binary(this.data);
|
1425 | }
|
1426 | this.length = this.data.length;
|
1427 | this.index = 0;
|
1428 | }
|
1429 | StringReader.prototype = new DataReader();
|
1430 |
|
1431 |
|
1432 |
|
1433 | StringReader.prototype.byteAt = function(i) {
|
1434 | return this.data.charCodeAt(i);
|
1435 | };
|
1436 |
|
1437 |
|
1438 |
|
1439 | StringReader.prototype.lastIndexOfSignature = function(sig) {
|
1440 | return this.data.lastIndexOf(sig);
|
1441 | };
|
1442 |
|
1443 |
|
1444 |
|
1445 | StringReader.prototype.readData = function(size) {
|
1446 | this.checkOffset(size);
|
1447 |
|
1448 | var result = this.data.slice(this.index, this.index + size);
|
1449 | this.index += size;
|
1450 | return result;
|
1451 | };
|
1452 | module.exports = StringReader;
|
1453 |
|
1454 | },{"./dataReader":5,"./utils":21}],16:[function(_dereq_,module,exports){
|
1455 | 'use strict';
|
1456 |
|
1457 | var utils = _dereq_('./utils');
|
1458 |
|
1459 |
|
1460 |
|
1461 |
|
1462 |
|
1463 | var StringWriter = function() {
|
1464 | this.data = [];
|
1465 | };
|
1466 | StringWriter.prototype = {
|
1467 | |
1468 |
|
1469 |
|
1470 |
|
1471 | append: function(input) {
|
1472 | input = utils.transformTo("string", input);
|
1473 | this.data.push(input);
|
1474 | },
|
1475 | |
1476 |
|
1477 |
|
1478 |
|
1479 | finalize: function() {
|
1480 | return this.data.join("");
|
1481 | }
|
1482 | };
|
1483 |
|
1484 | module.exports = StringWriter;
|
1485 |
|
1486 | },{"./utils":21}],17:[function(_dereq_,module,exports){
|
1487 | (function (Buffer){
|
1488 | 'use strict';
|
1489 | exports.base64 = true;
|
1490 | exports.array = true;
|
1491 | exports.string = true;
|
1492 | exports.arraybuffer = typeof ArrayBuffer !== "undefined" && typeof Uint8Array !== "undefined";
|
1493 |
|
1494 |
|
1495 |
|
1496 | exports.nodebuffer = typeof Buffer !== "undefined";
|
1497 |
|
1498 | exports.uint8array = typeof Uint8Array !== "undefined";
|
1499 |
|
1500 | if (typeof ArrayBuffer === "undefined") {
|
1501 | exports.blob = false;
|
1502 | }
|
1503 | else {
|
1504 | var buffer = new ArrayBuffer(0);
|
1505 | try {
|
1506 | exports.blob = new Blob([buffer], {
|
1507 | type: "application/zip"
|
1508 | }).size === 0;
|
1509 | }
|
1510 | catch (e) {
|
1511 | try {
|
1512 | var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
|
1513 | var builder = new Builder();
|
1514 | builder.append(buffer);
|
1515 | exports.blob = builder.getBlob('application/zip').size === 0;
|
1516 | }
|
1517 | catch (e) {
|
1518 | exports.blob = false;
|
1519 | }
|
1520 | }
|
1521 | }
|
1522 |
|
1523 | }).call(this,(typeof Buffer !== "undefined" ? Buffer : undefined))
|
1524 | },{}],18:[function(_dereq_,module,exports){
|
1525 | 'use strict';
|
1526 | var DataReader = _dereq_('./dataReader');
|
1527 |
|
1528 | function Uint8ArrayReader(data) {
|
1529 | if (data) {
|
1530 | this.data = data;
|
1531 | this.length = this.data.length;
|
1532 | this.index = 0;
|
1533 | }
|
1534 | }
|
1535 | Uint8ArrayReader.prototype = new DataReader();
|
1536 |
|
1537 |
|
1538 |
|
1539 | Uint8ArrayReader.prototype.byteAt = function(i) {
|
1540 | return this.data[i];
|
1541 | };
|
1542 |
|
1543 |
|
1544 |
|
1545 | Uint8ArrayReader.prototype.lastIndexOfSignature = function(sig) {
|
1546 | var sig0 = sig.charCodeAt(0),
|
1547 | sig1 = sig.charCodeAt(1),
|
1548 | sig2 = sig.charCodeAt(2),
|
1549 | sig3 = sig.charCodeAt(3);
|
1550 | for (var i = this.length - 4; i >= 0; --i) {
|
1551 | if (this.data[i] === sig0 && this.data[i + 1] === sig1 && this.data[i + 2] === sig2 && this.data[i + 3] === sig3) {
|
1552 | return i;
|
1553 | }
|
1554 | }
|
1555 |
|
1556 | return -1;
|
1557 | };
|
1558 |
|
1559 |
|
1560 |
|
1561 | Uint8ArrayReader.prototype.readData = function(size) {
|
1562 | this.checkOffset(size);
|
1563 | if(size === 0) {
|
1564 |
|
1565 | return new Uint8Array(0);
|
1566 | }
|
1567 | var result = this.data.subarray(this.index, this.index + size);
|
1568 | this.index += size;
|
1569 | return result;
|
1570 | };
|
1571 | module.exports = Uint8ArrayReader;
|
1572 |
|
1573 | },{"./dataReader":5}],19:[function(_dereq_,module,exports){
|
1574 | 'use strict';
|
1575 |
|
1576 | var utils = _dereq_('./utils');
|
1577 |
|
1578 |
|
1579 |
|
1580 |
|
1581 |
|
1582 |
|
1583 | var Uint8ArrayWriter = function(length) {
|
1584 | this.data = new Uint8Array(length);
|
1585 | this.index = 0;
|
1586 | };
|
1587 | Uint8ArrayWriter.prototype = {
|
1588 | |
1589 |
|
1590 |
|
1591 |
|
1592 | append: function(input) {
|
1593 | if (input.length !== 0) {
|
1594 |
|
1595 | input = utils.transformTo("uint8array", input);
|
1596 | this.data.set(input, this.index);
|
1597 | this.index += input.length;
|
1598 | }
|
1599 | },
|
1600 | |
1601 |
|
1602 |
|
1603 |
|
1604 | finalize: function() {
|
1605 | return this.data;
|
1606 | }
|
1607 | };
|
1608 |
|
1609 | module.exports = Uint8ArrayWriter;
|
1610 |
|
1611 | },{"./utils":21}],20:[function(_dereq_,module,exports){
|
1612 | 'use strict';
|
1613 |
|
1614 | var utils = _dereq_('./utils');
|
1615 | var support = _dereq_('./support');
|
1616 | var nodeBuffer = _dereq_('./nodeBuffer');
|
1617 |
|
1618 |
|
1619 |
|
1620 |
|
1621 |
|
1622 |
|
1623 |
|
1624 |
|
1625 |
|
1626 | var _utf8len = new Array(256);
|
1627 | for (var i=0; i<256; i++) {
|
1628 | _utf8len[i] = (i >= 252 ? 6 : i >= 248 ? 5 : i >= 240 ? 4 : i >= 224 ? 3 : i >= 192 ? 2 : 1);
|
1629 | }
|
1630 | _utf8len[254]=_utf8len[254]=1;
|
1631 |
|
1632 |
|
1633 | var string2buf = function (str) {
|
1634 | var buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
|
1635 |
|
1636 |
|
1637 | for (m_pos = 0; m_pos < str_len; m_pos++) {
|
1638 | c = str.charCodeAt(m_pos);
|
1639 | if (((c & 0xfc00) === 0xd800) && (m_pos+1 < str_len)) {
|
1640 | c2 = str.charCodeAt(m_pos+1);
|
1641 | if ((c2 & 0xfc00) === 0xdc00) {
|
1642 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
1643 | m_pos++;
|
1644 | }
|
1645 | }
|
1646 | buf_len += (c < 0x80) ? 1 : ((c < 0x800) ? 2 : ((c < 0x10000) ? 3 : 4));
|
1647 | }
|
1648 |
|
1649 |
|
1650 | if (support.uint8array) {
|
1651 | buf = new Uint8Array(buf_len);
|
1652 | } else {
|
1653 | buf = new Array(buf_len);
|
1654 | }
|
1655 |
|
1656 |
|
1657 | for (i=0, m_pos = 0; i < buf_len; m_pos++) {
|
1658 | c = str.charCodeAt(m_pos);
|
1659 | if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
|
1660 | c2 = str.charCodeAt(m_pos+1);
|
1661 | if ((c2 & 0xfc00) === 0xdc00) {
|
1662 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
1663 | m_pos++;
|
1664 | }
|
1665 | }
|
1666 | if (c < 0x80) {
|
1667 |
|
1668 | buf[i++] = c;
|
1669 | } else if (c < 0x800) {
|
1670 |
|
1671 | buf[i++] = 0xC0 | (c >>> 6);
|
1672 | buf[i++] = 0x80 | (c & 0x3f);
|
1673 | } else if (c < 0x10000) {
|
1674 |
|
1675 | buf[i++] = 0xE0 | (c >>> 12);
|
1676 | buf[i++] = 0x80 | ((c >>> 6) & 0x3f);
|
1677 | buf[i++] = 0x80 | (c & 0x3f);
|
1678 | } else {
|
1679 |
|
1680 | buf[i++] = 0xf0 | (c >>> 18);
|
1681 | buf[i++] = 0x80 | ((c >>> 12) & 0x3f);
|
1682 | buf[i++] = 0x80 | ((c >>> 6) & 0x3f);
|
1683 | buf[i++] = 0x80 | (c & 0x3f);
|
1684 | }
|
1685 | }
|
1686 |
|
1687 | return buf;
|
1688 | };
|
1689 |
|
1690 |
|
1691 |
|
1692 |
|
1693 |
|
1694 |
|
1695 |
|
1696 | var utf8border = function(buf, max) {
|
1697 | var pos;
|
1698 |
|
1699 | max = max || buf.length;
|
1700 | if (max > buf.length) { max = buf.length; }
|
1701 |
|
1702 |
|
1703 | pos = max-1;
|
1704 | while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; }
|
1705 |
|
1706 |
|
1707 |
|
1708 | if (pos < 0) { return max; }
|
1709 |
|
1710 |
|
1711 |
|
1712 | if (pos === 0) { return max; }
|
1713 |
|
1714 | return (pos + _utf8len[buf[pos]] > max) ? pos : max;
|
1715 | };
|
1716 |
|
1717 |
|
1718 | var buf2string = function (buf) {
|
1719 | var str, i, out, c, c_len;
|
1720 | var len = buf.length;
|
1721 |
|
1722 |
|
1723 |
|
1724 |
|
1725 | var utf16buf = new Array(len*2);
|
1726 |
|
1727 | for (out=0, i=0; i<len;) {
|
1728 | c = buf[i++];
|
1729 |
|
1730 | if (c < 0x80) { utf16buf[out++] = c; continue; }
|
1731 |
|
1732 | c_len = _utf8len[c];
|
1733 |
|
1734 | if (c_len > 4) { utf16buf[out++] = 0xfffd; i += c_len-1; continue; }
|
1735 |
|
1736 |
|
1737 | c &= c_len === 2 ? 0x1f : c_len === 3 ? 0x0f : 0x07;
|
1738 |
|
1739 | while (c_len > 1 && i < len) {
|
1740 | c = (c << 6) | (buf[i++] & 0x3f);
|
1741 | c_len--;
|
1742 | }
|
1743 |
|
1744 |
|
1745 | if (c_len > 1) { utf16buf[out++] = 0xfffd; continue; }
|
1746 |
|
1747 | if (c < 0x10000) {
|
1748 | utf16buf[out++] = c;
|
1749 | } else {
|
1750 | c -= 0x10000;
|
1751 | utf16buf[out++] = 0xd800 | ((c >> 10) & 0x3ff);
|
1752 | utf16buf[out++] = 0xdc00 | (c & 0x3ff);
|
1753 | }
|
1754 | }
|
1755 |
|
1756 |
|
1757 | if (utf16buf.length !== out) {
|
1758 | if(utf16buf.subarray) {
|
1759 | utf16buf = utf16buf.subarray(0, out);
|
1760 | } else {
|
1761 | utf16buf.length = out;
|
1762 | }
|
1763 | }
|
1764 |
|
1765 |
|
1766 | return utils.applyFromCharCode(utf16buf);
|
1767 | };
|
1768 |
|
1769 |
|
1770 |
|
1771 |
|
1772 |
|
1773 |
|
1774 |
|
1775 |
|
1776 |
|
1777 |
|
1778 |
|
1779 | exports.utf8encode = function utf8encode(str) {
|
1780 | if (support.nodebuffer) {
|
1781 | return nodeBuffer(str, "utf-8");
|
1782 | }
|
1783 |
|
1784 | return string2buf(str);
|
1785 | };
|
1786 |
|
1787 |
|
1788 |
|
1789 |
|
1790 |
|
1791 |
|
1792 |
|
1793 |
|
1794 | exports.utf8decode = function utf8decode(buf) {
|
1795 | if (support.nodebuffer) {
|
1796 | return utils.transformTo("nodebuffer", buf).toString("utf-8");
|
1797 | }
|
1798 |
|
1799 | buf = utils.transformTo(support.uint8array ? "uint8array" : "array", buf);
|
1800 |
|
1801 |
|
1802 |
|
1803 |
|
1804 |
|
1805 | var result = [], k = 0, len = buf.length, chunk = 65536;
|
1806 | while (k < len) {
|
1807 | var nextBoundary = utf8border(buf, Math.min(k + chunk, len));
|
1808 | if (support.uint8array) {
|
1809 | result.push(buf2string(buf.subarray(k, nextBoundary)));
|
1810 | } else {
|
1811 | result.push(buf2string(buf.slice(k, nextBoundary)));
|
1812 | }
|
1813 | k = nextBoundary;
|
1814 | }
|
1815 | return result.join("");
|
1816 |
|
1817 | };
|
1818 |
|
1819 |
|
1820 | },{"./nodeBuffer":11,"./support":17,"./utils":21}],21:[function(_dereq_,module,exports){
|
1821 | 'use strict';
|
1822 | var support = _dereq_('./support');
|
1823 | var compressions = _dereq_('./compressions');
|
1824 | var nodeBuffer = _dereq_('./nodeBuffer');
|
1825 |
|
1826 |
|
1827 |
|
1828 |
|
1829 |
|
1830 | exports.string2binary = function(str) {
|
1831 | var result = "";
|
1832 | for (var i = 0; i < str.length; i++) {
|
1833 | result += String.fromCharCode(str.charCodeAt(i) & 0xff);
|
1834 | }
|
1835 | return result;
|
1836 | };
|
1837 | exports.arrayBuffer2Blob = function(buffer) {
|
1838 | exports.checkSupport("blob");
|
1839 |
|
1840 | try {
|
1841 |
|
1842 | return new Blob([buffer], {
|
1843 | type: "application/zip"
|
1844 | });
|
1845 | }
|
1846 | catch (e) {
|
1847 |
|
1848 | try {
|
1849 |
|
1850 | var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
|
1851 | var builder = new Builder();
|
1852 | builder.append(buffer);
|
1853 | return builder.getBlob('application/zip');
|
1854 | }
|
1855 | catch (e) {
|
1856 |
|
1857 |
|
1858 | throw new Error("Bug : can't construct the Blob.");
|
1859 | }
|
1860 | }
|
1861 |
|
1862 |
|
1863 | };
|
1864 |
|
1865 |
|
1866 |
|
1867 |
|
1868 |
|
1869 | function identity(input) {
|
1870 | return input;
|
1871 | }
|
1872 |
|
1873 |
|
1874 |
|
1875 |
|
1876 |
|
1877 |
|
1878 |
|
1879 | function stringToArrayLike(str, array) {
|
1880 | for (var i = 0; i < str.length; ++i) {
|
1881 | array[i] = str.charCodeAt(i) & 0xFF;
|
1882 | }
|
1883 | return array;
|
1884 | }
|
1885 |
|
1886 |
|
1887 |
|
1888 |
|
1889 |
|
1890 |
|
1891 | function arrayLikeToString(array) {
|
1892 |
|
1893 |
|
1894 |
|
1895 |
|
1896 |
|
1897 |
|
1898 |
|
1899 |
|
1900 |
|
1901 | var chunk = 65536;
|
1902 | var result = [],
|
1903 | len = array.length,
|
1904 | type = exports.getTypeOf(array),
|
1905 | k = 0,
|
1906 | canUseApply = true;
|
1907 | try {
|
1908 | switch(type) {
|
1909 | case "uint8array":
|
1910 | String.fromCharCode.apply(null, new Uint8Array(0));
|
1911 | break;
|
1912 | case "nodebuffer":
|
1913 | String.fromCharCode.apply(null, nodeBuffer(0));
|
1914 | break;
|
1915 | }
|
1916 | } catch(e) {
|
1917 | canUseApply = false;
|
1918 | }
|
1919 |
|
1920 |
|
1921 |
|
1922 | if (!canUseApply) {
|
1923 | var resultStr = "";
|
1924 | for(var i = 0; i < array.length;i++) {
|
1925 | resultStr += String.fromCharCode(array[i]);
|
1926 | }
|
1927 | return resultStr;
|
1928 | }
|
1929 | while (k < len && chunk > 1) {
|
1930 | try {
|
1931 | if (type === "array" || type === "nodebuffer") {
|
1932 | result.push(String.fromCharCode.apply(null, array.slice(k, Math.min(k + chunk, len))));
|
1933 | }
|
1934 | else {
|
1935 | result.push(String.fromCharCode.apply(null, array.subarray(k, Math.min(k + chunk, len))));
|
1936 | }
|
1937 | k += chunk;
|
1938 | }
|
1939 | catch (e) {
|
1940 | chunk = Math.floor(chunk / 2);
|
1941 | }
|
1942 | }
|
1943 | return result.join("");
|
1944 | }
|
1945 |
|
1946 | exports.applyFromCharCode = arrayLikeToString;
|
1947 |
|
1948 |
|
1949 |
|
1950 |
|
1951 |
|
1952 |
|
1953 |
|
1954 |
|
1955 | function arrayLikeToArrayLike(arrayFrom, arrayTo) {
|
1956 | for (var i = 0; i < arrayFrom.length; i++) {
|
1957 | arrayTo[i] = arrayFrom[i];
|
1958 | }
|
1959 | return arrayTo;
|
1960 | }
|
1961 |
|
1962 |
|
1963 | var transform = {};
|
1964 |
|
1965 |
|
1966 | transform["string"] = {
|
1967 | "string": identity,
|
1968 | "array": function(input) {
|
1969 | return stringToArrayLike(input, new Array(input.length));
|
1970 | },
|
1971 | "arraybuffer": function(input) {
|
1972 | return transform["string"]["uint8array"](input).buffer;
|
1973 | },
|
1974 | "uint8array": function(input) {
|
1975 | return stringToArrayLike(input, new Uint8Array(input.length));
|
1976 | },
|
1977 | "nodebuffer": function(input) {
|
1978 | return stringToArrayLike(input, nodeBuffer(input.length));
|
1979 | }
|
1980 | };
|
1981 |
|
1982 |
|
1983 | transform["array"] = {
|
1984 | "string": arrayLikeToString,
|
1985 | "array": identity,
|
1986 | "arraybuffer": function(input) {
|
1987 | return (new Uint8Array(input)).buffer;
|
1988 | },
|
1989 | "uint8array": function(input) {
|
1990 | return new Uint8Array(input);
|
1991 | },
|
1992 | "nodebuffer": function(input) {
|
1993 | return nodeBuffer(input);
|
1994 | }
|
1995 | };
|
1996 |
|
1997 |
|
1998 | transform["arraybuffer"] = {
|
1999 | "string": function(input) {
|
2000 | return arrayLikeToString(new Uint8Array(input));
|
2001 | },
|
2002 | "array": function(input) {
|
2003 | return arrayLikeToArrayLike(new Uint8Array(input), new Array(input.byteLength));
|
2004 | },
|
2005 | "arraybuffer": identity,
|
2006 | "uint8array": function(input) {
|
2007 | return new Uint8Array(input);
|
2008 | },
|
2009 | "nodebuffer": function(input) {
|
2010 | return nodeBuffer(new Uint8Array(input));
|
2011 | }
|
2012 | };
|
2013 |
|
2014 |
|
2015 | transform["uint8array"] = {
|
2016 | "string": arrayLikeToString,
|
2017 | "array": function(input) {
|
2018 | return arrayLikeToArrayLike(input, new Array(input.length));
|
2019 | },
|
2020 | "arraybuffer": function(input) {
|
2021 | return input.buffer;
|
2022 | },
|
2023 | "uint8array": identity,
|
2024 | "nodebuffer": function(input) {
|
2025 | return nodeBuffer(input);
|
2026 | }
|
2027 | };
|
2028 |
|
2029 |
|
2030 | transform["nodebuffer"] = {
|
2031 | "string": arrayLikeToString,
|
2032 | "array": function(input) {
|
2033 | return arrayLikeToArrayLike(input, new Array(input.length));
|
2034 | },
|
2035 | "arraybuffer": function(input) {
|
2036 | return transform["nodebuffer"]["uint8array"](input).buffer;
|
2037 | },
|
2038 | "uint8array": function(input) {
|
2039 | return arrayLikeToArrayLike(input, new Uint8Array(input.length));
|
2040 | },
|
2041 | "nodebuffer": identity
|
2042 | };
|
2043 |
|
2044 |
|
2045 |
|
2046 |
|
2047 |
|
2048 |
|
2049 |
|
2050 |
|
2051 |
|
2052 | exports.transformTo = function(outputType, input) {
|
2053 | if (!input) {
|
2054 |
|
2055 |
|
2056 | input = "";
|
2057 | }
|
2058 | if (!outputType) {
|
2059 | return input;
|
2060 | }
|
2061 | exports.checkSupport(outputType);
|
2062 | var inputType = exports.getTypeOf(input);
|
2063 | var result = transform[inputType][outputType](input);
|
2064 | return result;
|
2065 | };
|
2066 |
|
2067 |
|
2068 |
|
2069 |
|
2070 |
|
2071 |
|
2072 |
|
2073 | exports.getTypeOf = function(input) {
|
2074 | if (typeof input === "string") {
|
2075 | return "string";
|
2076 | }
|
2077 | if (Object.prototype.toString.call(input) === "[object Array]") {
|
2078 | return "array";
|
2079 | }
|
2080 | if (support.nodebuffer && nodeBuffer.test(input)) {
|
2081 | return "nodebuffer";
|
2082 | }
|
2083 | if (support.uint8array && input instanceof Uint8Array) {
|
2084 | return "uint8array";
|
2085 | }
|
2086 | if (support.arraybuffer && input instanceof ArrayBuffer) {
|
2087 | return "arraybuffer";
|
2088 | }
|
2089 | };
|
2090 |
|
2091 |
|
2092 |
|
2093 |
|
2094 |
|
2095 |
|
2096 | exports.checkSupport = function(type) {
|
2097 | var supported = support[type.toLowerCase()];
|
2098 | if (!supported) {
|
2099 | throw new Error(type + " is not supported by this browser");
|
2100 | }
|
2101 | };
|
2102 | exports.MAX_VALUE_16BITS = 65535;
|
2103 | exports.MAX_VALUE_32BITS = -1;
|
2104 |
|
2105 |
|
2106 |
|
2107 |
|
2108 |
|
2109 |
|
2110 | exports.pretty = function(str) {
|
2111 | var res = '',
|
2112 | code, i;
|
2113 | for (i = 0; i < (str || "").length; i++) {
|
2114 | code = str.charCodeAt(i);
|
2115 | res += '\\x' + (code < 16 ? "0" : "") + code.toString(16).toUpperCase();
|
2116 | }
|
2117 | return res;
|
2118 | };
|
2119 |
|
2120 |
|
2121 |
|
2122 |
|
2123 |
|
2124 |
|
2125 | exports.findCompression = function(compressionMethod) {
|
2126 | for (var method in compressions) {
|
2127 | if (!compressions.hasOwnProperty(method)) {
|
2128 | continue;
|
2129 | }
|
2130 | if (compressions[method].magic === compressionMethod) {
|
2131 | return compressions[method];
|
2132 | }
|
2133 | }
|
2134 | return null;
|
2135 | };
|
2136 |
|
2137 |
|
2138 |
|
2139 |
|
2140 |
|
2141 |
|
2142 | exports.isRegExp = function (object) {
|
2143 | return Object.prototype.toString.call(object) === "[object RegExp]";
|
2144 | };
|
2145 |
|
2146 |
|
2147 | },{"./compressions":3,"./nodeBuffer":11,"./support":17}],22:[function(_dereq_,module,exports){
|
2148 | 'use strict';
|
2149 | var StringReader = _dereq_('./stringReader');
|
2150 | var NodeBufferReader = _dereq_('./nodeBufferReader');
|
2151 | var Uint8ArrayReader = _dereq_('./uint8ArrayReader');
|
2152 | var utils = _dereq_('./utils');
|
2153 | var sig = _dereq_('./signature');
|
2154 | var ZipEntry = _dereq_('./zipEntry');
|
2155 | var support = _dereq_('./support');
|
2156 | var jszipProto = _dereq_('./object');
|
2157 |
|
2158 |
|
2159 |
|
2160 |
|
2161 |
|
2162 |
|
2163 |
|
2164 | function ZipEntries(data, loadOptions) {
|
2165 | this.files = [];
|
2166 | this.loadOptions = loadOptions;
|
2167 | if (data) {
|
2168 | this.load(data);
|
2169 | }
|
2170 | }
|
2171 | ZipEntries.prototype = {
|
2172 | |
2173 |
|
2174 |
|
2175 |
|
2176 |
|
2177 | checkSignature: function(expectedSignature) {
|
2178 | var signature = this.reader.readString(4);
|
2179 | if (signature !== expectedSignature) {
|
2180 | throw new Error("Corrupted zip or bug : unexpected signature " + "(" + utils.pretty(signature) + ", expected " + utils.pretty(expectedSignature) + ")");
|
2181 | }
|
2182 | },
|
2183 | |
2184 |
|
2185 |
|
2186 | readBlockEndOfCentral: function() {
|
2187 | this.diskNumber = this.reader.readInt(2);
|
2188 | this.diskWithCentralDirStart = this.reader.readInt(2);
|
2189 | this.centralDirRecordsOnThisDisk = this.reader.readInt(2);
|
2190 | this.centralDirRecords = this.reader.readInt(2);
|
2191 | this.centralDirSize = this.reader.readInt(4);
|
2192 | this.centralDirOffset = this.reader.readInt(4);
|
2193 |
|
2194 | this.zipCommentLength = this.reader.readInt(2);
|
2195 |
|
2196 |
|
2197 |
|
2198 | this.zipComment = this.reader.readString(this.zipCommentLength);
|
2199 |
|
2200 |
|
2201 | this.zipComment = jszipProto.utf8decode(this.zipComment);
|
2202 | },
|
2203 | |
2204 |
|
2205 |
|
2206 |
|
2207 |
|
2208 |
|
2209 | readBlockZip64EndOfCentral: function() {
|
2210 | this.zip64EndOfCentralSize = this.reader.readInt(8);
|
2211 | this.versionMadeBy = this.reader.readString(2);
|
2212 | this.versionNeeded = this.reader.readInt(2);
|
2213 | this.diskNumber = this.reader.readInt(4);
|
2214 | this.diskWithCentralDirStart = this.reader.readInt(4);
|
2215 | this.centralDirRecordsOnThisDisk = this.reader.readInt(8);
|
2216 | this.centralDirRecords = this.reader.readInt(8);
|
2217 | this.centralDirSize = this.reader.readInt(8);
|
2218 | this.centralDirOffset = this.reader.readInt(8);
|
2219 |
|
2220 | this.zip64ExtensibleData = {};
|
2221 | var extraDataSize = this.zip64EndOfCentralSize - 44,
|
2222 | index = 0,
|
2223 | extraFieldId,
|
2224 | extraFieldLength,
|
2225 | extraFieldValue;
|
2226 | while (index < extraDataSize) {
|
2227 | extraFieldId = this.reader.readInt(2);
|
2228 | extraFieldLength = this.reader.readInt(4);
|
2229 | extraFieldValue = this.reader.readString(extraFieldLength);
|
2230 | this.zip64ExtensibleData[extraFieldId] = {
|
2231 | id: extraFieldId,
|
2232 | length: extraFieldLength,
|
2233 | value: extraFieldValue
|
2234 | };
|
2235 | }
|
2236 | },
|
2237 | |
2238 |
|
2239 |
|
2240 | readBlockZip64EndOfCentralLocator: function() {
|
2241 | this.diskWithZip64CentralDirStart = this.reader.readInt(4);
|
2242 | this.relativeOffsetEndOfZip64CentralDir = this.reader.readInt(8);
|
2243 | this.disksCount = this.reader.readInt(4);
|
2244 | if (this.disksCount > 1) {
|
2245 | throw new Error("Multi-volumes zip are not supported");
|
2246 | }
|
2247 | },
|
2248 | |
2249 |
|
2250 |
|
2251 | readLocalFiles: function() {
|
2252 | var i, file;
|
2253 | for (i = 0; i < this.files.length; i++) {
|
2254 | file = this.files[i];
|
2255 | this.reader.setIndex(file.localHeaderOffset);
|
2256 | this.checkSignature(sig.LOCAL_FILE_HEADER);
|
2257 | file.readLocalPart(this.reader);
|
2258 | file.handleUTF8();
|
2259 | }
|
2260 | },
|
2261 | |
2262 |
|
2263 |
|
2264 | readCentralDir: function() {
|
2265 | var file;
|
2266 |
|
2267 | this.reader.setIndex(this.centralDirOffset);
|
2268 | while (this.reader.readString(4) === sig.CENTRAL_FILE_HEADER) {
|
2269 | file = new ZipEntry({
|
2270 | zip64: this.zip64
|
2271 | }, this.loadOptions);
|
2272 | file.readCentralPart(this.reader);
|
2273 | this.files.push(file);
|
2274 | }
|
2275 | },
|
2276 | |
2277 |
|
2278 |
|
2279 | readEndOfCentral: function() {
|
2280 | var offset = this.reader.lastIndexOfSignature(sig.CENTRAL_DIRECTORY_END);
|
2281 | if (offset === -1) {
|
2282 | throw new Error("Corrupted zip : can't find end of central directory");
|
2283 | }
|
2284 | this.reader.setIndex(offset);
|
2285 | this.checkSignature(sig.CENTRAL_DIRECTORY_END);
|
2286 | this.readBlockEndOfCentral();
|
2287 |
|
2288 |
|
2289 | |
2290 |
|
2291 |
|
2292 |
|
2293 |
|
2294 |
|
2295 |
|
2296 |
|
2297 |
|
2298 |
|
2299 | 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) {
|
2300 | this.zip64 = true;
|
2301 |
|
2302 | |
2303 |
|
2304 |
|
2305 |
|
2306 |
|
2307 |
|
2308 |
|
2309 |
|
2310 |
|
2311 |
|
2312 | offset = this.reader.lastIndexOfSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
|
2313 | if (offset === -1) {
|
2314 | throw new Error("Corrupted zip : can't find the ZIP64 end of central directory locator");
|
2315 | }
|
2316 | this.reader.setIndex(offset);
|
2317 | this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
|
2318 | this.readBlockZip64EndOfCentralLocator();
|
2319 |
|
2320 |
|
2321 | this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir);
|
2322 | this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_END);
|
2323 | this.readBlockZip64EndOfCentral();
|
2324 | }
|
2325 | },
|
2326 | prepareReader: function(data) {
|
2327 | var type = utils.getTypeOf(data);
|
2328 | if (type === "string" && !support.uint8array) {
|
2329 | this.reader = new StringReader(data, this.loadOptions.optimizedBinaryString);
|
2330 | }
|
2331 | else if (type === "nodebuffer") {
|
2332 | this.reader = new NodeBufferReader(data);
|
2333 | }
|
2334 | else {
|
2335 | this.reader = new Uint8ArrayReader(utils.transformTo("uint8array", data));
|
2336 | }
|
2337 | },
|
2338 | |
2339 |
|
2340 |
|
2341 |
|
2342 | load: function(data) {
|
2343 | this.prepareReader(data);
|
2344 | this.readEndOfCentral();
|
2345 | this.readCentralDir();
|
2346 | this.readLocalFiles();
|
2347 | }
|
2348 | };
|
2349 |
|
2350 | module.exports = ZipEntries;
|
2351 |
|
2352 | },{"./nodeBufferReader":12,"./object":13,"./signature":14,"./stringReader":15,"./support":17,"./uint8ArrayReader":18,"./utils":21,"./zipEntry":23}],23:[function(_dereq_,module,exports){
|
2353 | 'use strict';
|
2354 | var StringReader = _dereq_('./stringReader');
|
2355 | var utils = _dereq_('./utils');
|
2356 | var CompressedObject = _dereq_('./compressedObject');
|
2357 | var jszipProto = _dereq_('./object');
|
2358 |
|
2359 |
|
2360 |
|
2361 |
|
2362 |
|
2363 |
|
2364 |
|
2365 | function ZipEntry(options, loadOptions) {
|
2366 | this.options = options;
|
2367 | this.loadOptions = loadOptions;
|
2368 | }
|
2369 | ZipEntry.prototype = {
|
2370 | |
2371 |
|
2372 |
|
2373 |
|
2374 | isEncrypted: function() {
|
2375 |
|
2376 | return (this.bitFlag & 0x0001) === 0x0001;
|
2377 | },
|
2378 | |
2379 |
|
2380 |
|
2381 |
|
2382 | useUTF8: function() {
|
2383 |
|
2384 | return (this.bitFlag & 0x0800) === 0x0800;
|
2385 | },
|
2386 | |
2387 |
|
2388 |
|
2389 |
|
2390 |
|
2391 |
|
2392 |
|
2393 | prepareCompressedContent: function(reader, from, length) {
|
2394 | return function() {
|
2395 | var previousIndex = reader.index;
|
2396 | reader.setIndex(from);
|
2397 | var compressedFileData = reader.readData(length);
|
2398 | reader.setIndex(previousIndex);
|
2399 |
|
2400 | return compressedFileData;
|
2401 | };
|
2402 | },
|
2403 | |
2404 |
|
2405 |
|
2406 |
|
2407 |
|
2408 |
|
2409 |
|
2410 |
|
2411 |
|
2412 | prepareContent: function(reader, from, length, compression, uncompressedSize) {
|
2413 | return function() {
|
2414 |
|
2415 | var compressedFileData = utils.transformTo(compression.uncompressInputType, this.getCompressedContent());
|
2416 | var uncompressedFileData = compression.uncompress(compressedFileData);
|
2417 |
|
2418 | if (uncompressedFileData.length !== uncompressedSize) {
|
2419 | throw new Error("Bug : uncompressed data size mismatch");
|
2420 | }
|
2421 |
|
2422 | return uncompressedFileData;
|
2423 | };
|
2424 | },
|
2425 | |
2426 |
|
2427 |
|
2428 |
|
2429 | readLocalPart: function(reader) {
|
2430 | var compression, localExtraFieldsLength;
|
2431 |
|
2432 |
|
2433 |
|
2434 |
|
2435 |
|
2436 |
|
2437 | reader.skip(22);
|
2438 |
|
2439 |
|
2440 |
|
2441 |
|
2442 |
|
2443 |
|
2444 |
|
2445 |
|
2446 |
|
2447 |
|
2448 |
|
2449 | this.fileNameLength = reader.readInt(2);
|
2450 | localExtraFieldsLength = reader.readInt(2);
|
2451 | this.fileName = reader.readString(this.fileNameLength);
|
2452 | reader.skip(localExtraFieldsLength);
|
2453 |
|
2454 | if (this.compressedSize == -1 || this.uncompressedSize == -1) {
|
2455 | throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory " + "(compressedSize == -1 || uncompressedSize == -1)");
|
2456 | }
|
2457 |
|
2458 | compression = utils.findCompression(this.compressionMethod);
|
2459 | if (compression === null) {
|
2460 | throw new Error("Corrupted zip : compression " + utils.pretty(this.compressionMethod) + " unknown (inner file : " + this.fileName + ")");
|
2461 | }
|
2462 | this.decompressed = new CompressedObject();
|
2463 | this.decompressed.compressedSize = this.compressedSize;
|
2464 | this.decompressed.uncompressedSize = this.uncompressedSize;
|
2465 | this.decompressed.crc32 = this.crc32;
|
2466 | this.decompressed.compressionMethod = this.compressionMethod;
|
2467 | this.decompressed.getCompressedContent = this.prepareCompressedContent(reader, reader.index, this.compressedSize, compression);
|
2468 | this.decompressed.getContent = this.prepareContent(reader, reader.index, this.compressedSize, compression, this.uncompressedSize);
|
2469 |
|
2470 |
|
2471 | if (this.loadOptions.checkCRC32) {
|
2472 | this.decompressed = utils.transformTo("string", this.decompressed.getContent());
|
2473 | if (jszipProto.crc32(this.decompressed) !== this.crc32) {
|
2474 | throw new Error("Corrupted zip : CRC32 mismatch");
|
2475 | }
|
2476 | }
|
2477 | },
|
2478 |
|
2479 | |
2480 |
|
2481 |
|
2482 |
|
2483 | readCentralPart: function(reader) {
|
2484 | this.versionMadeBy = reader.readString(2);
|
2485 | this.versionNeeded = reader.readInt(2);
|
2486 | this.bitFlag = reader.readInt(2);
|
2487 | this.compressionMethod = reader.readString(2);
|
2488 | this.date = reader.readDate();
|
2489 | this.crc32 = reader.readInt(4);
|
2490 | this.compressedSize = reader.readInt(4);
|
2491 | this.uncompressedSize = reader.readInt(4);
|
2492 | this.fileNameLength = reader.readInt(2);
|
2493 | this.extraFieldsLength = reader.readInt(2);
|
2494 | this.fileCommentLength = reader.readInt(2);
|
2495 | this.diskNumberStart = reader.readInt(2);
|
2496 | this.internalFileAttributes = reader.readInt(2);
|
2497 | this.externalFileAttributes = reader.readInt(4);
|
2498 | this.localHeaderOffset = reader.readInt(4);
|
2499 |
|
2500 | if (this.isEncrypted()) {
|
2501 | throw new Error("Encrypted zip are not supported");
|
2502 | }
|
2503 |
|
2504 | this.fileName = reader.readString(this.fileNameLength);
|
2505 | this.readExtraFields(reader);
|
2506 | this.parseZIP64ExtraField(reader);
|
2507 | this.fileComment = reader.readString(this.fileCommentLength);
|
2508 |
|
2509 |
|
2510 | this.dir = this.externalFileAttributes & 0x00000010 ? true : false;
|
2511 | },
|
2512 | |
2513 |
|
2514 |
|
2515 |
|
2516 | parseZIP64ExtraField: function(reader) {
|
2517 |
|
2518 | if (!this.extraFields[0x0001]) {
|
2519 | return;
|
2520 | }
|
2521 |
|
2522 |
|
2523 | var extraReader = new StringReader(this.extraFields[0x0001].value);
|
2524 |
|
2525 |
|
2526 |
|
2527 | if (this.uncompressedSize === utils.MAX_VALUE_32BITS) {
|
2528 | this.uncompressedSize = extraReader.readInt(8);
|
2529 | }
|
2530 | if (this.compressedSize === utils.MAX_VALUE_32BITS) {
|
2531 | this.compressedSize = extraReader.readInt(8);
|
2532 | }
|
2533 | if (this.localHeaderOffset === utils.MAX_VALUE_32BITS) {
|
2534 | this.localHeaderOffset = extraReader.readInt(8);
|
2535 | }
|
2536 | if (this.diskNumberStart === utils.MAX_VALUE_32BITS) {
|
2537 | this.diskNumberStart = extraReader.readInt(4);
|
2538 | }
|
2539 | },
|
2540 | |
2541 |
|
2542 |
|
2543 |
|
2544 | readExtraFields: function(reader) {
|
2545 | var start = reader.index,
|
2546 | extraFieldId,
|
2547 | extraFieldLength,
|
2548 | extraFieldValue;
|
2549 |
|
2550 | this.extraFields = this.extraFields || {};
|
2551 |
|
2552 | while (reader.index < start + this.extraFieldsLength) {
|
2553 | extraFieldId = reader.readInt(2);
|
2554 | extraFieldLength = reader.readInt(2);
|
2555 | extraFieldValue = reader.readString(extraFieldLength);
|
2556 |
|
2557 | this.extraFields[extraFieldId] = {
|
2558 | id: extraFieldId,
|
2559 | length: extraFieldLength,
|
2560 | value: extraFieldValue
|
2561 | };
|
2562 | }
|
2563 | },
|
2564 | |
2565 |
|
2566 |
|
2567 | handleUTF8: function() {
|
2568 | if (this.useUTF8()) {
|
2569 | this.fileName = jszipProto.utf8decode(this.fileName);
|
2570 | this.fileComment = jszipProto.utf8decode(this.fileComment);
|
2571 | } else {
|
2572 | var upath = this.findExtraFieldUnicodePath();
|
2573 | if (upath !== null) {
|
2574 | this.fileName = upath;
|
2575 | }
|
2576 | var ucomment = this.findExtraFieldUnicodeComment();
|
2577 | if (ucomment !== null) {
|
2578 | this.fileComment = ucomment;
|
2579 | }
|
2580 | }
|
2581 | },
|
2582 |
|
2583 | |
2584 |
|
2585 |
|
2586 |
|
2587 | findExtraFieldUnicodePath: function() {
|
2588 | var upathField = this.extraFields[0x7075];
|
2589 | if (upathField) {
|
2590 | var extraReader = new StringReader(upathField.value);
|
2591 |
|
2592 |
|
2593 | if (extraReader.readInt(1) !== 1) {
|
2594 | return null;
|
2595 | }
|
2596 |
|
2597 |
|
2598 | if (jszipProto.crc32(this.fileName) !== extraReader.readInt(4)) {
|
2599 | return null;
|
2600 | }
|
2601 |
|
2602 | return jszipProto.utf8decode(extraReader.readString(upathField.length - 5));
|
2603 | }
|
2604 | return null;
|
2605 | },
|
2606 |
|
2607 | |
2608 |
|
2609 |
|
2610 |
|
2611 | findExtraFieldUnicodeComment: function() {
|
2612 | var ucommentField = this.extraFields[0x6375];
|
2613 | if (ucommentField) {
|
2614 | var extraReader = new StringReader(ucommentField.value);
|
2615 |
|
2616 |
|
2617 | if (extraReader.readInt(1) !== 1) {
|
2618 | return null;
|
2619 | }
|
2620 |
|
2621 |
|
2622 | if (jszipProto.crc32(this.fileComment) !== extraReader.readInt(4)) {
|
2623 | return null;
|
2624 | }
|
2625 |
|
2626 | return jszipProto.utf8decode(extraReader.readString(ucommentField.length - 5));
|
2627 | }
|
2628 | return null;
|
2629 | }
|
2630 | };
|
2631 | module.exports = ZipEntry;
|
2632 |
|
2633 | },{"./compressedObject":2,"./object":13,"./stringReader":15,"./utils":21}],24:[function(_dereq_,module,exports){
|
2634 |
|
2635 | 'use strict';
|
2636 |
|
2637 | var assign = _dereq_('./lib/utils/common').assign;
|
2638 |
|
2639 | var deflate = _dereq_('./lib/deflate');
|
2640 | var inflate = _dereq_('./lib/inflate');
|
2641 | var constants = _dereq_('./lib/zlib/constants');
|
2642 |
|
2643 | var pako = {};
|
2644 |
|
2645 | assign(pako, deflate, inflate, constants);
|
2646 |
|
2647 | module.exports = pako;
|
2648 | },{"./lib/deflate":25,"./lib/inflate":26,"./lib/utils/common":27,"./lib/zlib/constants":30}],25:[function(_dereq_,module,exports){
|
2649 | 'use strict';
|
2650 |
|
2651 |
|
2652 | var zlib_deflate = _dereq_('./zlib/deflate.js');
|
2653 | var utils = _dereq_('./utils/common');
|
2654 | var strings = _dereq_('./utils/strings');
|
2655 | var msg = _dereq_('./zlib/messages');
|
2656 | var zstream = _dereq_('./zlib/zstream');
|
2657 |
|
2658 |
|
2659 |
|
2660 |
|
2661 |
|
2662 | var Z_NO_FLUSH = 0;
|
2663 | var Z_FINISH = 4;
|
2664 |
|
2665 | var Z_OK = 0;
|
2666 | var Z_STREAM_END = 1;
|
2667 |
|
2668 | var Z_DEFAULT_COMPRESSION = -1;
|
2669 |
|
2670 | var Z_DEFAULT_STRATEGY = 0;
|
2671 |
|
2672 | var Z_DEFLATED = 8;
|
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 |
|
2752 |
|
2753 |
|
2754 |
|
2755 |
|
2756 |
|
2757 |
|
2758 |
|
2759 |
|
2760 |
|
2761 |
|
2762 |
|
2763 | var Deflate = function(options) {
|
2764 |
|
2765 | this.options = utils.assign({
|
2766 | level: Z_DEFAULT_COMPRESSION,
|
2767 | method: Z_DEFLATED,
|
2768 | chunkSize: 16384,
|
2769 | windowBits: 15,
|
2770 | memLevel: 8,
|
2771 | strategy: Z_DEFAULT_STRATEGY,
|
2772 | to: ''
|
2773 | }, options || {});
|
2774 |
|
2775 | var opt = this.options;
|
2776 |
|
2777 | if (opt.raw && (opt.windowBits > 0)) {
|
2778 | opt.windowBits = -opt.windowBits;
|
2779 | }
|
2780 |
|
2781 | else if (opt.gzip && (opt.windowBits > 0) && (opt.windowBits < 16)) {
|
2782 | opt.windowBits += 16;
|
2783 | }
|
2784 |
|
2785 | this.err = 0;
|
2786 | this.msg = '';
|
2787 | this.ended = false;
|
2788 | this.chunks = [];
|
2789 |
|
2790 | this.strm = new zstream();
|
2791 | this.strm.avail_out = 0;
|
2792 |
|
2793 | var status = zlib_deflate.deflateInit2(
|
2794 | this.strm,
|
2795 | opt.level,
|
2796 | opt.method,
|
2797 | opt.windowBits,
|
2798 | opt.memLevel,
|
2799 | opt.strategy
|
2800 | );
|
2801 |
|
2802 | if (status !== Z_OK) {
|
2803 | throw new Error(msg[status]);
|
2804 | }
|
2805 |
|
2806 | if (opt.header) {
|
2807 | zlib_deflate.deflateSetHeader(this.strm, opt.header);
|
2808 | }
|
2809 | };
|
2810 |
|
2811 |
|
2812 |
|
2813 |
|
2814 |
|
2815 |
|
2816 |
|
2817 |
|
2818 |
|
2819 |
|
2820 |
|
2821 |
|
2822 |
|
2823 |
|
2824 |
|
2825 |
|
2826 |
|
2827 |
|
2828 |
|
2829 |
|
2830 |
|
2831 |
|
2832 |
|
2833 |
|
2834 |
|
2835 |
|
2836 |
|
2837 |
|
2838 |
|
2839 | Deflate.prototype.push = function(data, mode) {
|
2840 | var strm = this.strm;
|
2841 | var chunkSize = this.options.chunkSize;
|
2842 | var status, _mode;
|
2843 |
|
2844 | if (this.ended) { return false; }
|
2845 |
|
2846 | _mode = (mode === ~~mode) ? mode : ((mode === true) ? Z_FINISH : Z_NO_FLUSH);
|
2847 |
|
2848 |
|
2849 | if (typeof data === 'string') {
|
2850 |
|
2851 | strm.input = strings.string2buf(data);
|
2852 | } else {
|
2853 | strm.input = data;
|
2854 | }
|
2855 |
|
2856 | strm.next_in = 0;
|
2857 | strm.avail_in = strm.input.length;
|
2858 |
|
2859 | do {
|
2860 | if (strm.avail_out === 0) {
|
2861 | strm.output = new utils.Buf8(chunkSize);
|
2862 | strm.next_out = 0;
|
2863 | strm.avail_out = chunkSize;
|
2864 | }
|
2865 | status = zlib_deflate.deflate(strm, _mode);
|
2866 |
|
2867 | if (status !== Z_STREAM_END && status !== Z_OK) {
|
2868 | this.onEnd(status);
|
2869 | this.ended = true;
|
2870 | return false;
|
2871 | }
|
2872 | if (strm.avail_out === 0 || (strm.avail_in === 0 && _mode === Z_FINISH)) {
|
2873 | if (this.options.to === 'string') {
|
2874 | this.onData(strings.buf2binstring(utils.shrinkBuf(strm.output, strm.next_out)));
|
2875 | } else {
|
2876 | this.onData(utils.shrinkBuf(strm.output, strm.next_out));
|
2877 | }
|
2878 | }
|
2879 | } while ((strm.avail_in > 0 || strm.avail_out === 0) && status !== Z_STREAM_END);
|
2880 |
|
2881 |
|
2882 | if (_mode === Z_FINISH) {
|
2883 | status = zlib_deflate.deflateEnd(this.strm);
|
2884 | this.onEnd(status);
|
2885 | this.ended = true;
|
2886 | return status === Z_OK;
|
2887 | }
|
2888 |
|
2889 | return true;
|
2890 | };
|
2891 |
|
2892 |
|
2893 |
|
2894 |
|
2895 |
|
2896 |
|
2897 |
|
2898 |
|
2899 |
|
2900 |
|
2901 |
|
2902 | Deflate.prototype.onData = function(chunk) {
|
2903 | this.chunks.push(chunk);
|
2904 | };
|
2905 |
|
2906 |
|
2907 |
|
2908 |
|
2909 |
|
2910 |
|
2911 |
|
2912 |
|
2913 |
|
2914 |
|
2915 |
|
2916 | Deflate.prototype.onEnd = function(status) {
|
2917 |
|
2918 | if (status === Z_OK) {
|
2919 | if (this.options.to === 'string') {
|
2920 | this.result = this.chunks.join('');
|
2921 | } else {
|
2922 | this.result = utils.flattenChunks(this.chunks);
|
2923 | }
|
2924 | }
|
2925 | this.chunks = [];
|
2926 | this.err = status;
|
2927 | this.msg = this.strm.msg;
|
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 |
|
2953 |
|
2954 |
|
2955 |
|
2956 |
|
2957 |
|
2958 |
|
2959 |
|
2960 |
|
2961 |
|
2962 |
|
2963 |
|
2964 | function deflate(input, options) {
|
2965 | var deflator = new Deflate(options);
|
2966 |
|
2967 | deflator.push(input, true);
|
2968 |
|
2969 |
|
2970 | if (deflator.err) { throw deflator.msg; }
|
2971 |
|
2972 | return deflator.result;
|
2973 | }
|
2974 |
|
2975 |
|
2976 |
|
2977 |
|
2978 |
|
2979 |
|
2980 |
|
2981 |
|
2982 |
|
2983 |
|
2984 | function deflateRaw(input, options) {
|
2985 | options = options || {};
|
2986 | options.raw = true;
|
2987 | return deflate(input, options);
|
2988 | }
|
2989 |
|
2990 |
|
2991 |
|
2992 |
|
2993 |
|
2994 |
|
2995 |
|
2996 |
|
2997 |
|
2998 |
|
2999 | function gzip(input, options) {
|
3000 | options = options || {};
|
3001 | options.gzip = true;
|
3002 | return deflate(input, options);
|
3003 | }
|
3004 |
|
3005 |
|
3006 | exports.Deflate = Deflate;
|
3007 | exports.deflate = deflate;
|
3008 | exports.deflateRaw = deflateRaw;
|
3009 | exports.gzip = gzip;
|
3010 | },{"./utils/common":27,"./utils/strings":28,"./zlib/deflate.js":32,"./zlib/messages":37,"./zlib/zstream":39}],26:[function(_dereq_,module,exports){
|
3011 | 'use strict';
|
3012 |
|
3013 |
|
3014 | var zlib_inflate = _dereq_('./zlib/inflate.js');
|
3015 | var utils = _dereq_('./utils/common');
|
3016 | var strings = _dereq_('./utils/strings');
|
3017 | var c = _dereq_('./zlib/constants');
|
3018 | var msg = _dereq_('./zlib/messages');
|
3019 | var zstream = _dereq_('./zlib/zstream');
|
3020 | var gzheader = _dereq_('./zlib/gzheader');
|
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 |
|
3088 |
|
3089 |
|
3090 |
|
3091 |
|
3092 |
|
3093 |
|
3094 |
|
3095 |
|
3096 |
|
3097 |
|
3098 |
|
3099 | var Inflate = function(options) {
|
3100 |
|
3101 | this.options = utils.assign({
|
3102 | chunkSize: 16384,
|
3103 | windowBits: 0,
|
3104 | to: ''
|
3105 | }, options || {});
|
3106 |
|
3107 | var opt = this.options;
|
3108 |
|
3109 |
|
3110 |
|
3111 | if (opt.raw && (opt.windowBits >= 0) && (opt.windowBits < 16)) {
|
3112 | opt.windowBits = -opt.windowBits;
|
3113 | if (opt.windowBits === 0) { opt.windowBits = -15; }
|
3114 | }
|
3115 |
|
3116 |
|
3117 | if ((opt.windowBits >= 0) && (opt.windowBits < 16) &&
|
3118 | !(options && options.windowBits)) {
|
3119 | opt.windowBits += 32;
|
3120 | }
|
3121 |
|
3122 |
|
3123 |
|
3124 | if ((opt.windowBits > 15) && (opt.windowBits < 48)) {
|
3125 |
|
3126 |
|
3127 | if ((opt.windowBits & 15) === 0) {
|
3128 | opt.windowBits |= 15;
|
3129 | }
|
3130 | }
|
3131 |
|
3132 | this.err = 0;
|
3133 | this.msg = '';
|
3134 | this.ended = false;
|
3135 | this.chunks = [];
|
3136 |
|
3137 | this.strm = new zstream();
|
3138 | this.strm.avail_out = 0;
|
3139 |
|
3140 | var status = zlib_inflate.inflateInit2(
|
3141 | this.strm,
|
3142 | opt.windowBits
|
3143 | );
|
3144 |
|
3145 | if (status !== c.Z_OK) {
|
3146 | throw new Error(msg[status]);
|
3147 | }
|
3148 |
|
3149 | this.header = new gzheader();
|
3150 |
|
3151 | zlib_inflate.inflateGetHeader(this.strm, this.header);
|
3152 | };
|
3153 |
|
3154 |
|
3155 |
|
3156 |
|
3157 |
|
3158 |
|
3159 |
|
3160 |
|
3161 |
|
3162 |
|
3163 |
|
3164 |
|
3165 |
|
3166 |
|
3167 |
|
3168 |
|
3169 |
|
3170 |
|
3171 |
|
3172 |
|
3173 |
|
3174 |
|
3175 |
|
3176 |
|
3177 |
|
3178 |
|
3179 |
|
3180 |
|
3181 | Inflate.prototype.push = function(data, mode) {
|
3182 | var strm = this.strm;
|
3183 | var chunkSize = this.options.chunkSize;
|
3184 | var status, _mode;
|
3185 | var next_out_utf8, tail, utf8str;
|
3186 |
|
3187 | if (this.ended) { return false; }
|
3188 | _mode = (mode === ~~mode) ? mode : ((mode === true) ? c.Z_FINISH : c.Z_NO_FLUSH);
|
3189 |
|
3190 |
|
3191 | if (typeof data === 'string') {
|
3192 |
|
3193 | strm.input = strings.binstring2buf(data);
|
3194 | } else {
|
3195 | strm.input = data;
|
3196 | }
|
3197 |
|
3198 | strm.next_in = 0;
|
3199 | strm.avail_in = strm.input.length;
|
3200 |
|
3201 | do {
|
3202 | if (strm.avail_out === 0) {
|
3203 | strm.output = new utils.Buf8(chunkSize);
|
3204 | strm.next_out = 0;
|
3205 | strm.avail_out = chunkSize;
|
3206 | }
|
3207 |
|
3208 | status = zlib_inflate.inflate(strm, c.Z_NO_FLUSH);
|
3209 |
|
3210 | if (status !== c.Z_STREAM_END && status !== c.Z_OK) {
|
3211 | this.onEnd(status);
|
3212 | this.ended = true;
|
3213 | return false;
|
3214 | }
|
3215 |
|
3216 | if (strm.next_out) {
|
3217 | if (strm.avail_out === 0 || status === c.Z_STREAM_END || (strm.avail_in === 0 && _mode === c.Z_FINISH)) {
|
3218 |
|
3219 | if (this.options.to === 'string') {
|
3220 |
|
3221 | next_out_utf8 = strings.utf8border(strm.output, strm.next_out);
|
3222 |
|
3223 | tail = strm.next_out - next_out_utf8;
|
3224 | utf8str = strings.buf2string(strm.output, next_out_utf8);
|
3225 |
|
3226 |
|
3227 | strm.next_out = tail;
|
3228 | strm.avail_out = chunkSize - tail;
|
3229 | if (tail) { utils.arraySet(strm.output, strm.output, next_out_utf8, tail, 0); }
|
3230 |
|
3231 | this.onData(utf8str);
|
3232 |
|
3233 | } else {
|
3234 | this.onData(utils.shrinkBuf(strm.output, strm.next_out));
|
3235 | }
|
3236 | }
|
3237 | }
|
3238 | } while ((strm.avail_in > 0) && status !== c.Z_STREAM_END);
|
3239 |
|
3240 | if (status === c.Z_STREAM_END) {
|
3241 | _mode = c.Z_FINISH;
|
3242 | }
|
3243 |
|
3244 | if (_mode === c.Z_FINISH) {
|
3245 | status = zlib_inflate.inflateEnd(this.strm);
|
3246 | this.onEnd(status);
|
3247 | this.ended = true;
|
3248 | return status === c.Z_OK;
|
3249 | }
|
3250 |
|
3251 | return true;
|
3252 | };
|
3253 |
|
3254 |
|
3255 |
|
3256 |
|
3257 |
|
3258 |
|
3259 |
|
3260 |
|
3261 |
|
3262 |
|
3263 |
|
3264 | Inflate.prototype.onData = function(chunk) {
|
3265 | this.chunks.push(chunk);
|
3266 | };
|
3267 |
|
3268 |
|
3269 |
|
3270 |
|
3271 |
|
3272 |
|
3273 |
|
3274 |
|
3275 |
|
3276 |
|
3277 |
|
3278 | Inflate.prototype.onEnd = function(status) {
|
3279 |
|
3280 | if (status === c.Z_OK) {
|
3281 | if (this.options.to === 'string') {
|
3282 |
|
3283 |
|
3284 | this.result = this.chunks.join('');
|
3285 | } else {
|
3286 | this.result = utils.flattenChunks(this.chunks);
|
3287 | }
|
3288 | }
|
3289 | this.chunks = [];
|
3290 | this.err = status;
|
3291 | this.msg = this.strm.msg;
|
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 |
|
3323 |
|
3324 |
|
3325 |
|
3326 |
|
3327 |
|
3328 |
|
3329 |
|
3330 |
|
3331 |
|
3332 |
|
3333 |
|
3334 | function inflate(input, options) {
|
3335 | var inflator = new Inflate(options);
|
3336 |
|
3337 | inflator.push(input, true);
|
3338 |
|
3339 |
|
3340 | if (inflator.err) { throw inflator.msg; }
|
3341 |
|
3342 | return inflator.result;
|
3343 | }
|
3344 |
|
3345 |
|
3346 |
|
3347 |
|
3348 |
|
3349 |
|
3350 |
|
3351 |
|
3352 |
|
3353 |
|
3354 | function inflateRaw(input, options) {
|
3355 | options = options || {};
|
3356 | options.raw = true;
|
3357 | return inflate(input, options);
|
3358 | }
|
3359 |
|
3360 |
|
3361 |
|
3362 |
|
3363 |
|
3364 |
|
3365 |
|
3366 |
|
3367 |
|
3368 |
|
3369 |
|
3370 |
|
3371 | exports.Inflate = Inflate;
|
3372 | exports.inflate = inflate;
|
3373 | exports.inflateRaw = inflateRaw;
|
3374 | exports.ungzip = inflate;
|
3375 |
|
3376 | },{"./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){
|
3377 | 'use strict';
|
3378 |
|
3379 |
|
3380 | var TYPED_OK = (typeof Uint8Array !== 'undefined') &&
|
3381 | (typeof Uint16Array !== 'undefined') &&
|
3382 | (typeof Int32Array !== 'undefined');
|
3383 |
|
3384 |
|
3385 | exports.assign = function (obj /*from1, from2, from3, ...*/) {
|
3386 | var sources = Array.prototype.slice.call(arguments, 1);
|
3387 | while (sources.length) {
|
3388 | var source = sources.shift();
|
3389 | if (!source) { continue; }
|
3390 |
|
3391 | if (typeof(source) !== 'object') {
|
3392 | throw new TypeError(source + 'must be non-object');
|
3393 | }
|
3394 |
|
3395 | for (var p in source) {
|
3396 | if (source.hasOwnProperty(p)) {
|
3397 | obj[p] = source[p];
|
3398 | }
|
3399 | }
|
3400 | }
|
3401 |
|
3402 | return obj;
|
3403 | };
|
3404 |
|
3405 |
|
3406 |
|
3407 | exports.shrinkBuf = function (buf, size) {
|
3408 | if (buf.length === size) { return buf; }
|
3409 | if (buf.subarray) { return buf.subarray(0, size); }
|
3410 | buf.length = size;
|
3411 | return buf;
|
3412 | };
|
3413 |
|
3414 |
|
3415 | var fnTyped = {
|
3416 | arraySet: function (dest, src, src_offs, len, dest_offs) {
|
3417 | if (src.subarray && dest.subarray) {
|
3418 | dest.set(src.subarray(src_offs, src_offs+len), dest_offs);
|
3419 | return;
|
3420 | }
|
3421 |
|
3422 | for(var i=0; i<len; i++) {
|
3423 | dest[dest_offs + i] = src[src_offs + i];
|
3424 | }
|
3425 | },
|
3426 |
|
3427 | flattenChunks: function(chunks) {
|
3428 | var i, l, len, pos, chunk, result;
|
3429 |
|
3430 |
|
3431 | len = 0;
|
3432 | for (i=0, l=chunks.length; i<l; i++) {
|
3433 | len += chunks[i].length;
|
3434 | }
|
3435 |
|
3436 |
|
3437 | result = new Uint8Array(len);
|
3438 | pos = 0;
|
3439 | for (i=0, l=chunks.length; i<l; i++) {
|
3440 | chunk = chunks[i];
|
3441 | result.set(chunk, pos);
|
3442 | pos += chunk.length;
|
3443 | }
|
3444 |
|
3445 | return result;
|
3446 | }
|
3447 | };
|
3448 |
|
3449 | var fnUntyped = {
|
3450 | arraySet: function (dest, src, src_offs, len, dest_offs) {
|
3451 | for(var i=0; i<len; i++) {
|
3452 | dest[dest_offs + i] = src[src_offs + i];
|
3453 | }
|
3454 | },
|
3455 |
|
3456 | flattenChunks: function(chunks) {
|
3457 | return [].concat.apply([], chunks);
|
3458 | }
|
3459 | };
|
3460 |
|
3461 |
|
3462 |
|
3463 |
|
3464 | exports.setTyped = function (on) {
|
3465 | if (on) {
|
3466 | exports.Buf8 = Uint8Array;
|
3467 | exports.Buf16 = Uint16Array;
|
3468 | exports.Buf32 = Int32Array;
|
3469 | exports.assign(exports, fnTyped);
|
3470 | } else {
|
3471 | exports.Buf8 = Array;
|
3472 | exports.Buf16 = Array;
|
3473 | exports.Buf32 = Array;
|
3474 | exports.assign(exports, fnUntyped);
|
3475 | }
|
3476 | };
|
3477 |
|
3478 | exports.setTyped(TYPED_OK);
|
3479 | },{}],28:[function(_dereq_,module,exports){
|
3480 |
|
3481 | 'use strict';
|
3482 |
|
3483 |
|
3484 | var utils = _dereq_('./common');
|
3485 |
|
3486 |
|
3487 |
|
3488 |
|
3489 |
|
3490 |
|
3491 |
|
3492 | var STR_APPLY_OK = true;
|
3493 | var STR_APPLY_UIA_OK = true;
|
3494 |
|
3495 | try { String.fromCharCode.apply(null, [0]); } catch(__) { STR_APPLY_OK = false; }
|
3496 | try { String.fromCharCode.apply(null, new Uint8Array(1)); } catch(__) { STR_APPLY_UIA_OK = false; }
|
3497 |
|
3498 |
|
3499 |
|
3500 |
|
3501 |
|
3502 | var _utf8len = new utils.Buf8(256);
|
3503 | for (var i=0; i<256; i++) {
|
3504 | _utf8len[i] = (i >= 252 ? 6 : i >= 248 ? 5 : i >= 240 ? 4 : i >= 224 ? 3 : i >= 192 ? 2 : 1);
|
3505 | }
|
3506 | _utf8len[254]=_utf8len[254]=1;
|
3507 |
|
3508 |
|
3509 |
|
3510 | exports.string2buf = function (str) {
|
3511 | var buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
|
3512 |
|
3513 |
|
3514 | for (m_pos = 0; m_pos < str_len; m_pos++) {
|
3515 | c = str.charCodeAt(m_pos);
|
3516 | if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
|
3517 | c2 = str.charCodeAt(m_pos+1);
|
3518 | if ((c2 & 0xfc00) === 0xdc00) {
|
3519 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
3520 | m_pos++;
|
3521 | }
|
3522 | }
|
3523 | buf_len += c < 0x80 ? 1 : c < 0x800 ? 2 : c < 0x10000 ? 3 : 4;
|
3524 | }
|
3525 |
|
3526 |
|
3527 | buf = new utils.Buf8(buf_len);
|
3528 |
|
3529 |
|
3530 | for (i=0, m_pos = 0; i < buf_len; m_pos++) {
|
3531 | c = str.charCodeAt(m_pos);
|
3532 | if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
|
3533 | c2 = str.charCodeAt(m_pos+1);
|
3534 | if ((c2 & 0xfc00) === 0xdc00) {
|
3535 | c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
|
3536 | m_pos++;
|
3537 | }
|
3538 | }
|
3539 | if (c < 0x80) {
|
3540 |
|
3541 | buf[i++] = c;
|
3542 | } else if (c < 0x800) {
|
3543 |
|
3544 | buf[i++] = 0xC0 | (c >>> 6);
|
3545 | buf[i++] = 0x80 | (c & 0x3f);
|
3546 | } else if (c < 0x10000) {
|
3547 |
|
3548 | buf[i++] = 0xE0 | (c >>> 12);
|
3549 | buf[i++] = 0x80 | (c >>> 6 & 0x3f);
|
3550 | buf[i++] = 0x80 | (c & 0x3f);
|
3551 | } else {
|
3552 |
|
3553 | buf[i++] = 0xf0 | (c >>> 18);
|
3554 | buf[i++] = 0x80 | (c >>> 12 & 0x3f);
|
3555 | buf[i++] = 0x80 | (c >>> 6 & 0x3f);
|
3556 | buf[i++] = 0x80 | (c & 0x3f);
|
3557 | }
|
3558 | }
|
3559 |
|
3560 | return buf;
|
3561 | };
|
3562 |
|
3563 |
|
3564 | function buf2binstring(buf, len) {
|
3565 |
|
3566 | if (len < 65537) {
|
3567 | if ((buf.subarray && STR_APPLY_UIA_OK) || (!buf.subarray && STR_APPLY_OK)) {
|
3568 | return String.fromCharCode.apply(null, utils.shrinkBuf(buf, len));
|
3569 | }
|
3570 | }
|
3571 |
|
3572 | var result = '';
|
3573 | for(var i=0; i < len; i++) {
|
3574 | result += String.fromCharCode(buf[i]);
|
3575 | }
|
3576 | return result;
|
3577 | }
|
3578 |
|
3579 |
|
3580 |
|
3581 | exports.buf2binstring = function(buf) {
|
3582 | return buf2binstring(buf, buf.length);
|
3583 | };
|
3584 |
|
3585 |
|
3586 |
|
3587 | exports.binstring2buf = function(str) {
|
3588 | var buf = new utils.Buf8(str.length);
|
3589 | for(var i=0, len=buf.length; i < len; i++) {
|
3590 | buf[i] = str.charCodeAt(i);
|
3591 | }
|
3592 | return buf;
|
3593 | };
|
3594 |
|
3595 |
|
3596 |
|
3597 | exports.buf2string = function (buf, max) {
|
3598 | var i, out, c, c_len;
|
3599 | var len = max || buf.length;
|
3600 |
|
3601 |
|
3602 |
|
3603 |
|
3604 | var utf16buf = new Array(len*2);
|
3605 |
|
3606 | for (out=0, i=0; i<len;) {
|
3607 | c = buf[i++];
|
3608 |
|
3609 | if (c < 0x80) { utf16buf[out++] = c; continue; }
|
3610 |
|
3611 | c_len = _utf8len[c];
|
3612 |
|
3613 | if (c_len > 4) { utf16buf[out++] = 0xfffd; i += c_len-1; continue; }
|
3614 |
|
3615 |
|
3616 | c &= c_len === 2 ? 0x1f : c_len === 3 ? 0x0f : 0x07;
|
3617 |
|
3618 | while (c_len > 1 && i < len) {
|
3619 | c = (c << 6) | (buf[i++] & 0x3f);
|
3620 | c_len--;
|
3621 | }
|
3622 |
|
3623 |
|
3624 | if (c_len > 1) { utf16buf[out++] = 0xfffd; continue; }
|
3625 |
|
3626 | if (c < 0x10000) {
|
3627 | utf16buf[out++] = c;
|
3628 | } else {
|
3629 | c -= 0x10000;
|
3630 | utf16buf[out++] = 0xd800 | ((c >> 10) & 0x3ff);
|
3631 | utf16buf[out++] = 0xdc00 | (c & 0x3ff);
|
3632 | }
|
3633 | }
|
3634 |
|
3635 | return buf2binstring(utf16buf, out);
|
3636 | };
|
3637 |
|
3638 |
|
3639 |
|
3640 |
|
3641 |
|
3642 |
|
3643 |
|
3644 |
|
3645 | exports.utf8border = function(buf, max) {
|
3646 | var pos;
|
3647 |
|
3648 | max = max || buf.length;
|
3649 | if (max > buf.length) { max = buf.length; }
|
3650 |
|
3651 |
|
3652 | pos = max-1;
|
3653 | while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; }
|
3654 |
|
3655 |
|
3656 |
|
3657 | if (pos < 0) { return max; }
|
3658 |
|
3659 |
|
3660 |
|
3661 | if (pos === 0) { return max; }
|
3662 |
|
3663 | return (pos + _utf8len[buf[pos]] > max) ? pos : max;
|
3664 | };
|
3665 |
|
3666 | },{"./common":27}],29:[function(_dereq_,module,exports){
|
3667 | 'use strict';
|
3668 |
|
3669 |
|
3670 |
|
3671 |
|
3672 |
|
3673 | function adler32(adler, buf, len, pos) {
|
3674 | var s1 = (adler & 0xffff) |0
|
3675 | , s2 = ((adler >>> 16) & 0xffff) |0
|
3676 | , n = 0;
|
3677 |
|
3678 | while (len !== 0) {
|
3679 |
|
3680 |
|
3681 |
|
3682 | n = len > 2000 ? 2000 : len;
|
3683 | len -= n;
|
3684 |
|
3685 | do {
|
3686 | s1 = (s1 + buf[pos++]) |0;
|
3687 | s2 = (s2 + s1) |0;
|
3688 | } while (--n);
|
3689 |
|
3690 | s1 %= 65521;
|
3691 | s2 %= 65521;
|
3692 | }
|
3693 |
|
3694 | return (s1 | (s2 << 16)) |0;
|
3695 | }
|
3696 |
|
3697 |
|
3698 | module.exports = adler32;
|
3699 | },{}],30:[function(_dereq_,module,exports){
|
3700 | module.exports = {
|
3701 |
|
3702 |
|
3703 | Z_NO_FLUSH: 0,
|
3704 | Z_PARTIAL_FLUSH: 1,
|
3705 | Z_SYNC_FLUSH: 2,
|
3706 | Z_FULL_FLUSH: 3,
|
3707 | Z_FINISH: 4,
|
3708 | Z_BLOCK: 5,
|
3709 | Z_TREES: 6,
|
3710 |
|
3711 | |
3712 |
|
3713 |
|
3714 | Z_OK: 0,
|
3715 | Z_STREAM_END: 1,
|
3716 | Z_NEED_DICT: 2,
|
3717 | Z_ERRNO: -1,
|
3718 | Z_STREAM_ERROR: -2,
|
3719 | Z_DATA_ERROR: -3,
|
3720 |
|
3721 | Z_BUF_ERROR: -5,
|
3722 |
|
3723 |
|
3724 |
|
3725 | Z_NO_COMPRESSION: 0,
|
3726 | Z_BEST_SPEED: 1,
|
3727 | Z_BEST_COMPRESSION: 9,
|
3728 | Z_DEFAULT_COMPRESSION: -1,
|
3729 |
|
3730 |
|
3731 | Z_FILTERED: 1,
|
3732 | Z_HUFFMAN_ONLY: 2,
|
3733 | Z_RLE: 3,
|
3734 | Z_FIXED: 4,
|
3735 | Z_DEFAULT_STRATEGY: 0,
|
3736 |
|
3737 |
|
3738 | Z_BINARY: 0,
|
3739 | Z_TEXT: 1,
|
3740 |
|
3741 | Z_UNKNOWN: 2,
|
3742 |
|
3743 |
|
3744 | Z_DEFLATED: 8
|
3745 |
|
3746 | };
|
3747 | },{}],31:[function(_dereq_,module,exports){
|
3748 | 'use strict';
|
3749 |
|
3750 |
|
3751 |
|
3752 |
|
3753 |
|
3754 |
|
3755 |
|
3756 | function makeTable() {
|
3757 | var c, table = [];
|
3758 |
|
3759 | for(var n =0; n < 256; n++){
|
3760 | c = n;
|
3761 | for(var k =0; k < 8; k++){
|
3762 | c = ((c&1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
|
3763 | }
|
3764 | table[n] = c;
|
3765 | }
|
3766 |
|
3767 | return table;
|
3768 | }
|
3769 |
|
3770 |
|
3771 | var crcTable = makeTable();
|
3772 |
|
3773 |
|
3774 | function crc32(crc, buf, len, pos) {
|
3775 | var t = crcTable
|
3776 | , end = pos + len;
|
3777 |
|
3778 | crc = crc ^ (-1);
|
3779 |
|
3780 | for (var i = pos; i < end; i++ ) {
|
3781 | crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF];
|
3782 | }
|
3783 |
|
3784 | return (crc ^ (-1));
|
3785 | }
|
3786 |
|
3787 |
|
3788 | module.exports = crc32;
|
3789 | },{}],32:[function(_dereq_,module,exports){
|
3790 | 'use strict';
|
3791 |
|
3792 | var utils = _dereq_('../utils/common');
|
3793 | var trees = _dereq_('./trees');
|
3794 | var adler32 = _dereq_('./adler32');
|
3795 | var crc32 = _dereq_('./crc32');
|
3796 | var msg = _dereq_('./messages');
|
3797 |
|
3798 |
|
3799 |
|
3800 |
|
3801 |
|
3802 |
|
3803 | var Z_NO_FLUSH = 0;
|
3804 | var Z_PARTIAL_FLUSH = 1;
|
3805 |
|
3806 | var Z_FULL_FLUSH = 3;
|
3807 | var Z_FINISH = 4;
|
3808 | var Z_BLOCK = 5;
|
3809 |
|
3810 |
|
3811 |
|
3812 |
|
3813 |
|
3814 |
|
3815 | var Z_OK = 0;
|
3816 | var Z_STREAM_END = 1;
|
3817 |
|
3818 |
|
3819 | var Z_STREAM_ERROR = -2;
|
3820 | var Z_DATA_ERROR = -3;
|
3821 |
|
3822 | var Z_BUF_ERROR = -5;
|
3823 |
|
3824 |
|
3825 |
|
3826 |
|
3827 |
|
3828 |
|
3829 |
|
3830 | var Z_DEFAULT_COMPRESSION = -1;
|
3831 |
|
3832 |
|
3833 | var Z_FILTERED = 1;
|
3834 | var Z_HUFFMAN_ONLY = 2;
|
3835 | var Z_RLE = 3;
|
3836 | var Z_FIXED = 4;
|
3837 | var Z_DEFAULT_STRATEGY = 0;
|
3838 |
|
3839 |
|
3840 |
|
3841 |
|
3842 |
|
3843 | var Z_UNKNOWN = 2;
|
3844 |
|
3845 |
|
3846 |
|
3847 | var Z_DEFLATED = 8;
|
3848 |
|
3849 |
|
3850 |
|
3851 |
|
3852 | var MAX_MEM_LEVEL = 9;
|
3853 |
|
3854 | var MAX_WBITS = 15;
|
3855 |
|
3856 | var DEF_MEM_LEVEL = 8;
|
3857 |
|
3858 |
|
3859 | var LENGTH_CODES = 29;
|
3860 |
|
3861 | var LITERALS = 256;
|
3862 |
|
3863 | var L_CODES = LITERALS + 1 + LENGTH_CODES;
|
3864 |
|
3865 | var D_CODES = 30;
|
3866 |
|
3867 | var BL_CODES = 19;
|
3868 |
|
3869 | var HEAP_SIZE = 2*L_CODES + 1;
|
3870 |
|
3871 | var MAX_BITS = 15;
|
3872 |
|
3873 |
|
3874 | var MIN_MATCH = 3;
|
3875 | var MAX_MATCH = 258;
|
3876 | var MIN_LOOKAHEAD = (MAX_MATCH + MIN_MATCH + 1);
|
3877 |
|
3878 | var PRESET_DICT = 0x20;
|
3879 |
|
3880 | var INIT_STATE = 42;
|
3881 | var EXTRA_STATE = 69;
|
3882 | var NAME_STATE = 73;
|
3883 | var COMMENT_STATE = 91;
|
3884 | var HCRC_STATE = 103;
|
3885 | var BUSY_STATE = 113;
|
3886 | var FINISH_STATE = 666;
|
3887 |
|
3888 | var BS_NEED_MORE = 1;
|
3889 | var BS_BLOCK_DONE = 2;
|
3890 | var BS_FINISH_STARTED = 3;
|
3891 | var BS_FINISH_DONE = 4;
|
3892 |
|
3893 | var OS_CODE = 0x03;
|
3894 |
|
3895 | function err(strm, errorCode) {
|
3896 | strm.msg = msg[errorCode];
|
3897 | return errorCode;
|
3898 | }
|
3899 |
|
3900 | function rank(f) {
|
3901 | return ((f) << 1) - ((f) > 4 ? 9 : 0);
|
3902 | }
|
3903 |
|
3904 | function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
|
3905 |
|
3906 |
|
3907 |
|
3908 |
|
3909 |
|
3910 |
|
3911 |
|
3912 |
|
3913 | function flush_pending(strm) {
|
3914 | var s = strm.state;
|
3915 |
|
3916 |
|
3917 | var len = s.pending;
|
3918 | if (len > strm.avail_out) {
|
3919 | len = strm.avail_out;
|
3920 | }
|
3921 | if (len === 0) { return; }
|
3922 |
|
3923 | utils.arraySet(strm.output, s.pending_buf, s.pending_out, len, strm.next_out);
|
3924 | strm.next_out += len;
|
3925 | s.pending_out += len;
|
3926 | strm.total_out += len;
|
3927 | strm.avail_out -= len;
|
3928 | s.pending -= len;
|
3929 | if (s.pending === 0) {
|
3930 | s.pending_out = 0;
|
3931 | }
|
3932 | }
|
3933 |
|
3934 |
|
3935 | function flush_block_only (s, last) {
|
3936 | trees._tr_flush_block(s, (s.block_start >= 0 ? s.block_start : -1), s.strstart - s.block_start, last);
|
3937 | s.block_start = s.strstart;
|
3938 | flush_pending(s.strm);
|
3939 | }
|
3940 |
|
3941 |
|
3942 | function put_byte(s, b) {
|
3943 | s.pending_buf[s.pending++] = b;
|
3944 | }
|
3945 |
|
3946 |
|
3947 |
|
3948 |
|
3949 |
|
3950 |
|
3951 |
|
3952 | function putShortMSB(s, b) {
|
3953 |
|
3954 |
|
3955 | s.pending_buf[s.pending++] = (b >>> 8) & 0xff;
|
3956 | s.pending_buf[s.pending++] = b & 0xff;
|
3957 | }
|
3958 |
|
3959 |
|
3960 |
|
3961 |
|
3962 |
|
3963 |
|
3964 |
|
3965 |
|
3966 |
|
3967 | function read_buf(strm, buf, start, size) {
|
3968 | var len = strm.avail_in;
|
3969 |
|
3970 | if (len > size) { len = size; }
|
3971 | if (len === 0) { return 0; }
|
3972 |
|
3973 | strm.avail_in -= len;
|
3974 |
|
3975 | utils.arraySet(buf, strm.input, strm.next_in, len, start);
|
3976 | if (strm.state.wrap === 1) {
|
3977 | strm.adler = adler32(strm.adler, buf, len, start);
|
3978 | }
|
3979 |
|
3980 | else if (strm.state.wrap === 2) {
|
3981 | strm.adler = crc32(strm.adler, buf, len, start);
|
3982 | }
|
3983 |
|
3984 | strm.next_in += len;
|
3985 | strm.total_in += len;
|
3986 |
|
3987 | return len;
|
3988 | }
|
3989 |
|
3990 |
|
3991 |
|
3992 |
|
3993 |
|
3994 |
|
3995 |
|
3996 |
|
3997 |
|
3998 |
|
3999 |
|
4000 | function longest_match(s, cur_match) {
|
4001 | var chain_length = s.max_chain_length;
|
4002 | var scan = s.strstart;
|
4003 | var match;
|
4004 | var len;
|
4005 | var best_len = s.prev_length;
|
4006 | var nice_match = s.nice_match;
|
4007 | var limit = (s.strstart > (s.w_size - MIN_LOOKAHEAD)) ?
|
4008 | s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0;
|
4009 |
|
4010 | var _win = s.window;
|
4011 |
|
4012 | var wmask = s.w_mask;
|
4013 | var prev = s.prev;
|
4014 |
|
4015 | |
4016 |
|
4017 |
|
4018 |
|
4019 | var strend = s.strstart + MAX_MATCH;
|
4020 | var scan_end1 = _win[scan + best_len - 1];
|
4021 | var scan_end = _win[scan + best_len];
|
4022 |
|
4023 | |
4024 |
|
4025 |
|
4026 |
|
4027 |
|
4028 |
|
4029 | if (s.prev_length >= s.good_match) {
|
4030 | chain_length >>= 2;
|
4031 | }
|
4032 | |
4033 |
|
4034 |
|
4035 | if (nice_match > s.lookahead) { nice_match = s.lookahead; }
|
4036 |
|
4037 |
|
4038 |
|
4039 | do {
|
4040 |
|
4041 | match = cur_match;
|
4042 |
|
4043 | |
4044 |
|
4045 |
|
4046 |
|
4047 |
|
4048 |
|
4049 |
|
4050 |
|
4051 |
|
4052 | if (_win[match + best_len] !== scan_end ||
|
4053 | _win[match + best_len - 1] !== scan_end1 ||
|
4054 | _win[match] !== _win[scan] ||
|
4055 | _win[++match] !== _win[scan + 1]) {
|
4056 | continue;
|
4057 | }
|
4058 |
|
4059 | |
4060 |
|
4061 |
|
4062 |
|
4063 |
|
4064 |
|
4065 | scan += 2;
|
4066 | match++;
|
4067 |
|
4068 |
|
4069 | |
4070 |
|
4071 |
|
4072 | do {
|
4073 |
|
4074 | } while (_win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4075 | _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4076 | _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4077 | _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
|
4078 | scan < strend);
|
4079 |
|
4080 |
|
4081 |
|
4082 | len = MAX_MATCH - (strend - scan);
|
4083 | scan = strend - MAX_MATCH;
|
4084 |
|
4085 | if (len > best_len) {
|
4086 | s.match_start = cur_match;
|
4087 | best_len = len;
|
4088 | if (len >= nice_match) {
|
4089 | break;
|
4090 | }
|
4091 | scan_end1 = _win[scan + best_len - 1];
|
4092 | scan_end = _win[scan + best_len];
|
4093 | }
|
4094 | } while ((cur_match = prev[cur_match & wmask]) > limit && --chain_length !== 0);
|
4095 |
|
4096 | if (best_len <= s.lookahead) {
|
4097 | return best_len;
|
4098 | }
|
4099 | return s.lookahead;
|
4100 | }
|
4101 |
|
4102 |
|
4103 |
|
4104 |
|
4105 |
|
4106 |
|
4107 |
|
4108 |
|
4109 |
|
4110 |
|
4111 |
|
4112 |
|
4113 | function fill_window(s) {
|
4114 | var _w_size = s.w_size;
|
4115 | var p, n, m, more, str;
|
4116 |
|
4117 |
|
4118 |
|
4119 | do {
|
4120 | more = s.window_size - s.lookahead - s.strstart;
|
4121 |
|
4122 |
|
4123 |
|
4124 |
|
4125 |
|
4126 |
|
4127 |
|
4128 |
|
4129 |
|
4130 |
|
4131 |
|
4132 |
|
4133 |
|
4134 |
|
4135 |
|
4136 |
|
4137 | |
4138 |
|
4139 |
|
4140 | if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) {
|
4141 |
|
4142 | utils.arraySet(s.window, s.window, _w_size, _w_size, 0);
|
4143 | s.match_start -= _w_size;
|
4144 | s.strstart -= _w_size;
|
4145 |
|
4146 | s.block_start -= _w_size;
|
4147 |
|
4148 | |
4149 |
|
4150 |
|
4151 |
|
4152 |
|
4153 |
|
4154 |
|
4155 | n = s.hash_size;
|
4156 | p = n;
|
4157 | do {
|
4158 | m = s.head[--p];
|
4159 | s.head[p] = (m >= _w_size ? m - _w_size : 0);
|
4160 | } while (--n);
|
4161 |
|
4162 | n = _w_size;
|
4163 | p = n;
|
4164 | do {
|
4165 | m = s.prev[--p];
|
4166 | s.prev[p] = (m >= _w_size ? m - _w_size : 0);
|
4167 | |
4168 |
|
4169 |
|
4170 | } while (--n);
|
4171 |
|
4172 | more += _w_size;
|
4173 | }
|
4174 | if (s.strm.avail_in === 0) {
|
4175 | break;
|
4176 | }
|
4177 |
|
4178 | |
4179 |
|
4180 |
|
4181 |
|
4182 |
|
4183 |
|
4184 |
|
4185 |
|
4186 |
|
4187 |
|
4188 |
|
4189 |
|
4190 | n = read_buf(s.strm, s.window, s.strstart + s.lookahead, more);
|
4191 | s.lookahead += n;
|
4192 |
|
4193 |
|
4194 | if (s.lookahead + s.insert >= MIN_MATCH) {
|
4195 | str = s.strstart - s.insert;
|
4196 | s.ins_h = s.window[str];
|
4197 |
|
4198 |
|
4199 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + 1]) & s.hash_mask;
|
4200 |
|
4201 |
|
4202 |
|
4203 | while (s.insert) {
|
4204 |
|
4205 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH-1]) & s.hash_mask;
|
4206 |
|
4207 | s.prev[str & s.w_mask] = s.head[s.ins_h];
|
4208 | s.head[s.ins_h] = str;
|
4209 | str++;
|
4210 | s.insert--;
|
4211 | if (s.lookahead + s.insert < MIN_MATCH) {
|
4212 | break;
|
4213 | }
|
4214 | }
|
4215 | }
|
4216 | |
4217 |
|
4218 |
|
4219 |
|
4220 | } while (s.lookahead < MIN_LOOKAHEAD && s.strm.avail_in !== 0);
|
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 |
|
4258 | }
|
4259 |
|
4260 |
|
4261 |
|
4262 |
|
4263 |
|
4264 |
|
4265 |
|
4266 |
|
4267 |
|
4268 |
|
4269 | function deflate_stored(s, flush) {
|
4270 | |
4271 |
|
4272 |
|
4273 | var max_block_size = 0xffff;
|
4274 |
|
4275 | if (max_block_size > s.pending_buf_size - 5) {
|
4276 | max_block_size = s.pending_buf_size - 5;
|
4277 | }
|
4278 |
|
4279 |
|
4280 | for (;;) {
|
4281 |
|
4282 | if (s.lookahead <= 1) {
|
4283 |
|
4284 |
|
4285 |
|
4286 |
|
4287 |
|
4288 |
|
4289 |
|
4290 |
|
4291 | fill_window(s);
|
4292 | if (s.lookahead === 0 && flush === Z_NO_FLUSH) {
|
4293 | return BS_NEED_MORE;
|
4294 | }
|
4295 |
|
4296 | if (s.lookahead === 0) {
|
4297 | break;
|
4298 | }
|
4299 |
|
4300 | }
|
4301 |
|
4302 |
|
4303 |
|
4304 | s.strstart += s.lookahead;
|
4305 | s.lookahead = 0;
|
4306 |
|
4307 |
|
4308 | var max_start = s.block_start + max_block_size;
|
4309 |
|
4310 | if (s.strstart === 0 || s.strstart >= max_start) {
|
4311 |
|
4312 | s.lookahead = s.strstart - max_start;
|
4313 | s.strstart = max_start;
|
4314 |
|
4315 | flush_block_only(s, false);
|
4316 | if (s.strm.avail_out === 0) {
|
4317 | return BS_NEED_MORE;
|
4318 | }
|
4319 |
|
4320 |
|
4321 |
|
4322 | }
|
4323 | |
4324 |
|
4325 |
|
4326 | if (s.strstart - s.block_start >= (s.w_size - MIN_LOOKAHEAD)) {
|
4327 |
|
4328 | flush_block_only(s, false);
|
4329 | if (s.strm.avail_out === 0) {
|
4330 | return BS_NEED_MORE;
|
4331 | }
|
4332 |
|
4333 | }
|
4334 | }
|
4335 |
|
4336 | s.insert = 0;
|
4337 |
|
4338 | if (flush === Z_FINISH) {
|
4339 |
|
4340 | flush_block_only(s, true);
|
4341 | if (s.strm.avail_out === 0) {
|
4342 | return BS_FINISH_STARTED;
|
4343 | }
|
4344 |
|
4345 | return BS_FINISH_DONE;
|
4346 | }
|
4347 |
|
4348 | if (s.strstart > s.block_start) {
|
4349 |
|
4350 | flush_block_only(s, false);
|
4351 | if (s.strm.avail_out === 0) {
|
4352 | return BS_NEED_MORE;
|
4353 | }
|
4354 |
|
4355 | }
|
4356 |
|
4357 | return BS_NEED_MORE;
|
4358 | }
|
4359 |
|
4360 |
|
4361 |
|
4362 |
|
4363 |
|
4364 |
|
4365 |
|
4366 |
|
4367 | function deflate_fast(s, flush) {
|
4368 | var hash_head;
|
4369 | var bflush;
|
4370 |
|
4371 | for (;;) {
|
4372 | |
4373 |
|
4374 |
|
4375 |
|
4376 |
|
4377 | if (s.lookahead < MIN_LOOKAHEAD) {
|
4378 | fill_window(s);
|
4379 | if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
|
4380 | return BS_NEED_MORE;
|
4381 | }
|
4382 | if (s.lookahead === 0) {
|
4383 | break;
|
4384 | }
|
4385 | }
|
4386 |
|
4387 | |
4388 |
|
4389 |
|
4390 | hash_head = 0;
|
4391 | if (s.lookahead >= MIN_MATCH) {
|
4392 |
|
4393 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4394 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4395 | s.head[s.ins_h] = s.strstart;
|
4396 |
|
4397 | }
|
4398 |
|
4399 | |
4400 |
|
4401 |
|
4402 | if (hash_head !== 0 && ((s.strstart - hash_head) <= (s.w_size - MIN_LOOKAHEAD))) {
|
4403 | |
4404 |
|
4405 |
|
4406 |
|
4407 | s.match_length = longest_match(s, hash_head);
|
4408 |
|
4409 | }
|
4410 | if (s.match_length >= MIN_MATCH) {
|
4411 |
|
4412 |
|
4413 | |
4414 |
|
4415 | bflush = trees._tr_tally(s, s.strstart - s.match_start, s.match_length - MIN_MATCH);
|
4416 |
|
4417 | s.lookahead -= s.match_length;
|
4418 |
|
4419 | |
4420 |
|
4421 |
|
4422 | if (s.match_length <= s.max_lazy_match && s.lookahead >= MIN_MATCH) {
|
4423 | s.match_length--;
|
4424 | do {
|
4425 | s.strstart++;
|
4426 |
|
4427 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4428 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4429 | s.head[s.ins_h] = s.strstart;
|
4430 |
|
4431 | |
4432 |
|
4433 |
|
4434 | } while (--s.match_length !== 0);
|
4435 | s.strstart++;
|
4436 | } else
|
4437 | {
|
4438 | s.strstart += s.match_length;
|
4439 | s.match_length = 0;
|
4440 | s.ins_h = s.window[s.strstart];
|
4441 |
|
4442 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + 1]) & s.hash_mask;
|
4443 |
|
4444 |
|
4445 |
|
4446 |
|
4447 | |
4448 |
|
4449 |
|
4450 | }
|
4451 | } else {
|
4452 |
|
4453 |
|
4454 |
|
4455 | bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
|
4456 |
|
4457 | s.lookahead--;
|
4458 | s.strstart++;
|
4459 | }
|
4460 | if (bflush) {
|
4461 |
|
4462 | flush_block_only(s, false);
|
4463 | if (s.strm.avail_out === 0) {
|
4464 | return BS_NEED_MORE;
|
4465 | }
|
4466 |
|
4467 | }
|
4468 | }
|
4469 | s.insert = ((s.strstart < (MIN_MATCH-1)) ? s.strstart : MIN_MATCH-1);
|
4470 | if (flush === Z_FINISH) {
|
4471 |
|
4472 | flush_block_only(s, true);
|
4473 | if (s.strm.avail_out === 0) {
|
4474 | return BS_FINISH_STARTED;
|
4475 | }
|
4476 |
|
4477 | return BS_FINISH_DONE;
|
4478 | }
|
4479 | if (s.last_lit) {
|
4480 |
|
4481 | flush_block_only(s, false);
|
4482 | if (s.strm.avail_out === 0) {
|
4483 | return BS_NEED_MORE;
|
4484 | }
|
4485 |
|
4486 | }
|
4487 | return BS_BLOCK_DONE;
|
4488 | }
|
4489 |
|
4490 |
|
4491 |
|
4492 |
|
4493 |
|
4494 |
|
4495 | function deflate_slow(s, flush) {
|
4496 | var hash_head;
|
4497 | var bflush;
|
4498 |
|
4499 | var max_insert;
|
4500 |
|
4501 |
|
4502 | for (;;) {
|
4503 | |
4504 |
|
4505 |
|
4506 |
|
4507 |
|
4508 | if (s.lookahead < MIN_LOOKAHEAD) {
|
4509 | fill_window(s);
|
4510 | if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
|
4511 | return BS_NEED_MORE;
|
4512 | }
|
4513 | if (s.lookahead === 0) { break; }
|
4514 | }
|
4515 |
|
4516 | |
4517 |
|
4518 |
|
4519 | hash_head = 0;
|
4520 | if (s.lookahead >= MIN_MATCH) {
|
4521 |
|
4522 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4523 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4524 | s.head[s.ins_h] = s.strstart;
|
4525 |
|
4526 | }
|
4527 |
|
4528 | |
4529 |
|
4530 | s.prev_length = s.match_length;
|
4531 | s.prev_match = s.match_start;
|
4532 | s.match_length = MIN_MATCH-1;
|
4533 |
|
4534 | if (hash_head !== 0 && s.prev_length < s.max_lazy_match &&
|
4535 | s.strstart - hash_head <= (s.w_size-MIN_LOOKAHEAD)) {
|
4536 | |
4537 |
|
4538 |
|
4539 |
|
4540 | s.match_length = longest_match(s, hash_head);
|
4541 |
|
4542 |
|
4543 | if (s.match_length <= 5 &&
|
4544 | (s.strategy === Z_FILTERED || (s.match_length === MIN_MATCH && s.strstart - s.match_start > 4096))) {
|
4545 |
|
4546 | |
4547 |
|
4548 |
|
4549 | s.match_length = MIN_MATCH-1;
|
4550 | }
|
4551 | }
|
4552 | |
4553 |
|
4554 |
|
4555 | if (s.prev_length >= MIN_MATCH && s.match_length <= s.prev_length) {
|
4556 | max_insert = s.strstart + s.lookahead - MIN_MATCH;
|
4557 |
|
4558 |
|
4559 |
|
4560 |
|
4561 | |
4562 |
|
4563 | bflush = trees._tr_tally(s, s.strstart - 1- s.prev_match, s.prev_length - MIN_MATCH);
|
4564 | |
4565 |
|
4566 |
|
4567 |
|
4568 |
|
4569 | s.lookahead -= s.prev_length-1;
|
4570 | s.prev_length -= 2;
|
4571 | do {
|
4572 | if (++s.strstart <= max_insert) {
|
4573 |
|
4574 | s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
|
4575 | hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
|
4576 | s.head[s.ins_h] = s.strstart;
|
4577 |
|
4578 | }
|
4579 | } while (--s.prev_length !== 0);
|
4580 | s.match_available = 0;
|
4581 | s.match_length = MIN_MATCH-1;
|
4582 | s.strstart++;
|
4583 |
|
4584 | if (bflush) {
|
4585 |
|
4586 | flush_block_only(s, false);
|
4587 | if (s.strm.avail_out === 0) {
|
4588 | return BS_NEED_MORE;
|
4589 | }
|
4590 |
|
4591 | }
|
4592 |
|
4593 | } else if (s.match_available) {
|
4594 | |
4595 |
|
4596 |
|
4597 |
|
4598 |
|
4599 |
|
4600 | bflush = trees._tr_tally(s, 0, s.window[s.strstart-1]);
|
4601 |
|
4602 | if (bflush) {
|
4603 |
|
4604 | flush_block_only(s, false);
|
4605 |
|
4606 | }
|
4607 | s.strstart++;
|
4608 | s.lookahead--;
|
4609 | if (s.strm.avail_out === 0) {
|
4610 | return BS_NEED_MORE;
|
4611 | }
|
4612 | } else {
|
4613 | |
4614 |
|
4615 |
|
4616 | s.match_available = 1;
|
4617 | s.strstart++;
|
4618 | s.lookahead--;
|
4619 | }
|
4620 | }
|
4621 |
|
4622 | if (s.match_available) {
|
4623 |
|
4624 |
|
4625 | bflush = trees._tr_tally(s, 0, s.window[s.strstart-1]);
|
4626 |
|
4627 | s.match_available = 0;
|
4628 | }
|
4629 | s.insert = s.strstart < MIN_MATCH-1 ? s.strstart : MIN_MATCH-1;
|
4630 | if (flush === Z_FINISH) {
|
4631 |
|
4632 | flush_block_only(s, true);
|
4633 | if (s.strm.avail_out === 0) {
|
4634 | return BS_FINISH_STARTED;
|
4635 | }
|
4636 |
|
4637 | return BS_FINISH_DONE;
|
4638 | }
|
4639 | if (s.last_lit) {
|
4640 |
|
4641 | flush_block_only(s, false);
|
4642 | if (s.strm.avail_out === 0) {
|
4643 | return BS_NEED_MORE;
|
4644 | }
|
4645 |
|
4646 | }
|
4647 |
|
4648 | return BS_BLOCK_DONE;
|
4649 | }
|
4650 |
|
4651 |
|
4652 |
|
4653 |
|
4654 |
|
4655 |
|
4656 |
|
4657 | function deflate_rle(s, flush) {
|
4658 | var bflush;
|
4659 | var prev;
|
4660 | var scan, strend;
|
4661 |
|
4662 | var _win = s.window;
|
4663 |
|
4664 | for (;;) {
|
4665 | |
4666 |
|
4667 |
|
4668 |
|
4669 | if (s.lookahead <= MAX_MATCH) {
|
4670 | fill_window(s);
|
4671 | if (s.lookahead <= MAX_MATCH && flush === Z_NO_FLUSH) {
|
4672 | return BS_NEED_MORE;
|
4673 | }
|
4674 | if (s.lookahead === 0) { break; }
|
4675 | }
|
4676 |
|
4677 |
|
4678 | s.match_length = 0;
|
4679 | if (s.lookahead >= MIN_MATCH && s.strstart > 0) {
|
4680 | scan = s.strstart - 1;
|
4681 | prev = _win[scan];
|
4682 | if (prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan]) {
|
4683 | strend = s.strstart + MAX_MATCH;
|
4684 | do {
|
4685 |
|
4686 | } while (prev === _win[++scan] && prev === _win[++scan] &&
|
4687 | prev === _win[++scan] && prev === _win[++scan] &&
|
4688 | prev === _win[++scan] && prev === _win[++scan] &&
|
4689 | prev === _win[++scan] && prev === _win[++scan] &&
|
4690 | scan < strend);
|
4691 | s.match_length = MAX_MATCH - (strend - scan);
|
4692 | if (s.match_length > s.lookahead) {
|
4693 | s.match_length = s.lookahead;
|
4694 | }
|
4695 | }
|
4696 |
|
4697 | }
|
4698 |
|
4699 |
|
4700 | if (s.match_length >= MIN_MATCH) {
|
4701 |
|
4702 |
|
4703 |
|
4704 | bflush = trees._tr_tally(s, 1, s.match_length - MIN_MATCH);
|
4705 |
|
4706 | s.lookahead -= s.match_length;
|
4707 | s.strstart += s.match_length;
|
4708 | s.match_length = 0;
|
4709 | } else {
|
4710 |
|
4711 |
|
4712 |
|
4713 | bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
|
4714 |
|
4715 | s.lookahead--;
|
4716 | s.strstart++;
|
4717 | }
|
4718 | if (bflush) {
|
4719 |
|
4720 | flush_block_only(s, false);
|
4721 | if (s.strm.avail_out === 0) {
|
4722 | return BS_NEED_MORE;
|
4723 | }
|
4724 |
|
4725 | }
|
4726 | }
|
4727 | s.insert = 0;
|
4728 | if (flush === Z_FINISH) {
|
4729 |
|
4730 | flush_block_only(s, true);
|
4731 | if (s.strm.avail_out === 0) {
|
4732 | return BS_FINISH_STARTED;
|
4733 | }
|
4734 |
|
4735 | return BS_FINISH_DONE;
|
4736 | }
|
4737 | if (s.last_lit) {
|
4738 |
|
4739 | flush_block_only(s, false);
|
4740 | if (s.strm.avail_out === 0) {
|
4741 | return BS_NEED_MORE;
|
4742 | }
|
4743 |
|
4744 | }
|
4745 | return BS_BLOCK_DONE;
|
4746 | }
|
4747 |
|
4748 |
|
4749 |
|
4750 |
|
4751 |
|
4752 | function deflate_huff(s, flush) {
|
4753 | var bflush;
|
4754 |
|
4755 | for (;;) {
|
4756 |
|
4757 | if (s.lookahead === 0) {
|
4758 | fill_window(s);
|
4759 | if (s.lookahead === 0) {
|
4760 | if (flush === Z_NO_FLUSH) {
|
4761 | return BS_NEED_MORE;
|
4762 | }
|
4763 | break;
|
4764 | }
|
4765 | }
|
4766 |
|
4767 |
|
4768 | s.match_length = 0;
|
4769 |
|
4770 |
|
4771 | bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
|
4772 | s.lookahead--;
|
4773 | s.strstart++;
|
4774 | if (bflush) {
|
4775 |
|
4776 | flush_block_only(s, false);
|
4777 | if (s.strm.avail_out === 0) {
|
4778 | return BS_NEED_MORE;
|
4779 | }
|
4780 |
|
4781 | }
|
4782 | }
|
4783 | s.insert = 0;
|
4784 | if (flush === Z_FINISH) {
|
4785 |
|
4786 | flush_block_only(s, true);
|
4787 | if (s.strm.avail_out === 0) {
|
4788 | return BS_FINISH_STARTED;
|
4789 | }
|
4790 |
|
4791 | return BS_FINISH_DONE;
|
4792 | }
|
4793 | if (s.last_lit) {
|
4794 |
|
4795 | flush_block_only(s, false);
|
4796 | if (s.strm.avail_out === 0) {
|
4797 | return BS_NEED_MORE;
|
4798 | }
|
4799 |
|
4800 | }
|
4801 | return BS_BLOCK_DONE;
|
4802 | }
|
4803 |
|
4804 |
|
4805 |
|
4806 |
|
4807 |
|
4808 |
|
4809 | var Config = function (good_length, max_lazy, nice_length, max_chain, func) {
|
4810 | this.good_length = good_length;
|
4811 | this.max_lazy = max_lazy;
|
4812 | this.nice_length = nice_length;
|
4813 | this.max_chain = max_chain;
|
4814 | this.func = func;
|
4815 | };
|
4816 |
|
4817 | var configuration_table;
|
4818 |
|
4819 | configuration_table = [
|
4820 |
|
4821 | new Config(0, 0, 0, 0, deflate_stored),
|
4822 | new Config(4, 4, 8, 4, deflate_fast),
|
4823 | new Config(4, 5, 16, 8, deflate_fast),
|
4824 | new Config(4, 6, 32, 32, deflate_fast),
|
4825 |
|
4826 | new Config(4, 4, 16, 16, deflate_slow),
|
4827 | new Config(8, 16, 32, 32, deflate_slow),
|
4828 | new Config(8, 16, 128, 128, deflate_slow),
|
4829 | new Config(8, 32, 128, 256, deflate_slow),
|
4830 | new Config(32, 128, 258, 1024, deflate_slow),
|
4831 | new Config(32, 258, 258, 4096, deflate_slow)
|
4832 | ];
|
4833 |
|
4834 |
|
4835 |
|
4836 |
|
4837 |
|
4838 | function lm_init(s) {
|
4839 | s.window_size = 2 * s.w_size;
|
4840 |
|
4841 |
|
4842 | zero(s.head);
|
4843 |
|
4844 | |
4845 |
|
4846 | s.max_lazy_match = configuration_table[s.level].max_lazy;
|
4847 | s.good_match = configuration_table[s.level].good_length;
|
4848 | s.nice_match = configuration_table[s.level].nice_length;
|
4849 | s.max_chain_length = configuration_table[s.level].max_chain;
|
4850 |
|
4851 | s.strstart = 0;
|
4852 | s.block_start = 0;
|
4853 | s.lookahead = 0;
|
4854 | s.insert = 0;
|
4855 | s.match_length = s.prev_length = MIN_MATCH - 1;
|
4856 | s.match_available = 0;
|
4857 | s.ins_h = 0;
|
4858 | }
|
4859 |
|
4860 |
|
4861 | function DeflateState() {
|
4862 | this.strm = null;
|
4863 | this.status = 0;
|
4864 | this.pending_buf = null;
|
4865 | this.pending_buf_size = 0;
|
4866 | this.pending_out = 0;
|
4867 | this.pending = 0;
|
4868 | this.wrap = 0;
|
4869 | this.gzhead = null;
|
4870 | this.gzindex = 0;
|
4871 | this.method = Z_DEFLATED;
|
4872 | this.last_flush = -1;
|
4873 |
|
4874 | this.w_size = 0;
|
4875 | this.w_bits = 0;
|
4876 | this.w_mask = 0;
|
4877 |
|
4878 | this.window = null;
|
4879 | |
4880 |
|
4881 |
|
4882 |
|
4883 |
|
4884 |
|
4885 |
|
4886 | this.window_size = 0;
|
4887 | |
4888 |
|
4889 |
|
4890 |
|
4891 | this.prev = null;
|
4892 | |
4893 |
|
4894 |
|
4895 |
|
4896 |
|
4897 | this.head = null;
|
4898 |
|
4899 | this.ins_h = 0;
|
4900 | this.hash_size = 0;
|
4901 | this.hash_bits = 0;
|
4902 | this.hash_mask = 0;
|
4903 |
|
4904 | this.hash_shift = 0;
|
4905 | |
4906 |
|
4907 |
|
4908 |
|
4909 |
|
4910 |
|
4911 | this.block_start = 0;
|
4912 | |
4913 |
|
4914 |
|
4915 |
|
4916 | this.match_length = 0;
|
4917 | this.prev_match = 0;
|
4918 | this.match_available = 0;
|
4919 | this.strstart = 0;
|
4920 | this.match_start = 0;
|
4921 | this.lookahead = 0;
|
4922 |
|
4923 | this.prev_length = 0;
|
4924 | |
4925 |
|
4926 |
|
4927 |
|
4928 | this.max_chain_length = 0;
|
4929 | |
4930 |
|
4931 |
|
4932 |
|
4933 |
|
4934 | this.max_lazy_match = 0;
|
4935 | |
4936 |
|
4937 |
|
4938 |
|
4939 |
|
4940 |
|
4941 | |
4942 |
|
4943 |
|
4944 |
|
4945 |
|
4946 | this.level = 0;
|
4947 | this.strategy = 0;
|
4948 |
|
4949 | this.good_match = 0;
|
4950 |
|
4951 |
|
4952 | this.nice_match = 0;
|
4953 |
|
4954 |
|
4955 |
|
4956 |
|
4957 |
|
4958 |
|
4959 |
|
4960 |
|
4961 |
|
4962 |
|
4963 |
|
4964 | this.dyn_ltree = new utils.Buf16(HEAP_SIZE * 2);
|
4965 | this.dyn_dtree = new utils.Buf16((2*D_CODES+1) * 2);
|
4966 | this.bl_tree = new utils.Buf16((2*BL_CODES+1) * 2);
|
4967 | zero(this.dyn_ltree);
|
4968 | zero(this.dyn_dtree);
|
4969 | zero(this.bl_tree);
|
4970 |
|
4971 | this.l_desc = null;
|
4972 | this.d_desc = null;
|
4973 | this.bl_desc = null;
|
4974 |
|
4975 |
|
4976 | this.bl_count = new utils.Buf16(MAX_BITS+1);
|
4977 |
|
4978 |
|
4979 |
|
4980 | this.heap = new utils.Buf16(2*L_CODES+1);
|
4981 | zero(this.heap);
|
4982 |
|
4983 | this.heap_len = 0;
|
4984 | this.heap_max = 0;
|
4985 | |
4986 |
|
4987 |
|
4988 |
|
4989 | this.depth = new utils.Buf16(2*L_CODES+1);
|
4990 | zero(this.depth);
|
4991 | |
4992 |
|
4993 |
|
4994 | this.l_buf = 0;
|
4995 |
|
4996 | this.lit_bufsize = 0;
|
4997 | |
4998 |
|
4999 |
|
5000 |
|
5001 |
|
5002 |
|
5003 |
|
5004 |
|
5005 |
|
5006 |
|
5007 |
|
5008 |
|
5009 |
|
5010 |
|
5011 |
|
5012 |
|
5013 |
|
5014 |
|
5015 |
|
5016 | this.last_lit = 0;
|
5017 |
|
5018 | this.d_buf = 0;
|
5019 | |
5020 |
|
5021 |
|
5022 |
|
5023 |
|
5024 | this.opt_len = 0;
|
5025 | this.static_len = 0;
|
5026 | this.matches = 0;
|
5027 | this.insert = 0;
|
5028 |
|
5029 |
|
5030 | this.bi_buf = 0;
|
5031 | |
5032 |
|
5033 |
|
5034 | this.bi_valid = 0;
|
5035 | |
5036 |
|
5037 |
|
5038 |
|
5039 |
|
5040 |
|
5041 |
|
5042 | |
5043 |
|
5044 |
|
5045 |
|
5046 |
|
5047 | }
|
5048 |
|
5049 |
|
5050 | function deflateResetKeep(strm) {
|
5051 | var s;
|
5052 |
|
5053 | if (!strm || !strm.state) {
|
5054 | return err(strm, Z_STREAM_ERROR);
|
5055 | }
|
5056 |
|
5057 | strm.total_in = strm.total_out = 0;
|
5058 | strm.data_type = Z_UNKNOWN;
|
5059 |
|
5060 | s = strm.state;
|
5061 | s.pending = 0;
|
5062 | s.pending_out = 0;
|
5063 |
|
5064 | if (s.wrap < 0) {
|
5065 | s.wrap = -s.wrap;
|
5066 |
|
5067 | }
|
5068 | s.status = (s.wrap ? INIT_STATE : BUSY_STATE);
|
5069 | strm.adler = (s.wrap === 2) ?
|
5070 | 0
|
5071 | :
|
5072 | 1;
|
5073 | s.last_flush = Z_NO_FLUSH;
|
5074 | trees._tr_init(s);
|
5075 | return Z_OK;
|
5076 | }
|
5077 |
|
5078 |
|
5079 | function deflateReset(strm) {
|
5080 | var ret = deflateResetKeep(strm);
|
5081 | if (ret === Z_OK) {
|
5082 | lm_init(strm.state);
|
5083 | }
|
5084 | return ret;
|
5085 | }
|
5086 |
|
5087 |
|
5088 | function deflateSetHeader(strm, head) {
|
5089 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
5090 | if (strm.state.wrap !== 2) { return Z_STREAM_ERROR; }
|
5091 | strm.state.gzhead = head;
|
5092 | return Z_OK;
|
5093 | }
|
5094 |
|
5095 |
|
5096 | function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
|
5097 | if (!strm) {
|
5098 | return Z_STREAM_ERROR;
|
5099 | }
|
5100 | var wrap = 1;
|
5101 |
|
5102 | if (level === Z_DEFAULT_COMPRESSION) {
|
5103 | level = 6;
|
5104 | }
|
5105 |
|
5106 | if (windowBits < 0) {
|
5107 | wrap = 0;
|
5108 | windowBits = -windowBits;
|
5109 | }
|
5110 |
|
5111 | else if (windowBits > 15) {
|
5112 | wrap = 2;
|
5113 | windowBits -= 16;
|
5114 | }
|
5115 |
|
5116 |
|
5117 | if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method !== Z_DEFLATED ||
|
5118 | windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
|
5119 | strategy < 0 || strategy > Z_FIXED) {
|
5120 | return err(strm, Z_STREAM_ERROR);
|
5121 | }
|
5122 |
|
5123 |
|
5124 | if (windowBits === 8) {
|
5125 | windowBits = 9;
|
5126 | }
|
5127 |
|
5128 |
|
5129 | var s = new DeflateState();
|
5130 |
|
5131 | strm.state = s;
|
5132 | s.strm = strm;
|
5133 |
|
5134 | s.wrap = wrap;
|
5135 | s.gzhead = null;
|
5136 | s.w_bits = windowBits;
|
5137 | s.w_size = 1 << s.w_bits;
|
5138 | s.w_mask = s.w_size - 1;
|
5139 |
|
5140 | s.hash_bits = memLevel + 7;
|
5141 | s.hash_size = 1 << s.hash_bits;
|
5142 | s.hash_mask = s.hash_size - 1;
|
5143 | s.hash_shift = ~~((s.hash_bits + MIN_MATCH - 1) / MIN_MATCH);
|
5144 |
|
5145 | s.window = new utils.Buf8(s.w_size * 2);
|
5146 | s.head = new utils.Buf16(s.hash_size);
|
5147 | s.prev = new utils.Buf16(s.w_size);
|
5148 |
|
5149 |
|
5150 |
|
5151 |
|
5152 | s.lit_bufsize = 1 << (memLevel + 6);
|
5153 |
|
5154 | s.pending_buf_size = s.lit_bufsize * 4;
|
5155 | s.pending_buf = new utils.Buf8(s.pending_buf_size);
|
5156 |
|
5157 | s.d_buf = s.lit_bufsize >> 1;
|
5158 | s.l_buf = (1 + 2) * s.lit_bufsize;
|
5159 |
|
5160 | s.level = level;
|
5161 | s.strategy = strategy;
|
5162 | s.method = method;
|
5163 |
|
5164 | return deflateReset(strm);
|
5165 | }
|
5166 |
|
5167 | function deflateInit(strm, level) {
|
5168 | return deflateInit2(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
|
5169 | }
|
5170 |
|
5171 |
|
5172 | function deflate(strm, flush) {
|
5173 | var old_flush, s;
|
5174 | var beg, val;
|
5175 |
|
5176 | if (!strm || !strm.state ||
|
5177 | flush > Z_BLOCK || flush < 0) {
|
5178 | return strm ? err(strm, Z_STREAM_ERROR) : Z_STREAM_ERROR;
|
5179 | }
|
5180 |
|
5181 | s = strm.state;
|
5182 |
|
5183 | if (!strm.output ||
|
5184 | (!strm.input && strm.avail_in !== 0) ||
|
5185 | (s.status === FINISH_STATE && flush !== Z_FINISH)) {
|
5186 | return err(strm, (strm.avail_out === 0) ? Z_BUF_ERROR : Z_STREAM_ERROR);
|
5187 | }
|
5188 |
|
5189 | s.strm = strm;
|
5190 | old_flush = s.last_flush;
|
5191 | s.last_flush = flush;
|
5192 |
|
5193 |
|
5194 | if (s.status === INIT_STATE) {
|
5195 |
|
5196 | if (s.wrap === 2) {
|
5197 | strm.adler = 0;
|
5198 | put_byte(s, 31);
|
5199 | put_byte(s, 139);
|
5200 | put_byte(s, 8);
|
5201 | if (!s.gzhead) {
|
5202 | put_byte(s, 0);
|
5203 | put_byte(s, 0);
|
5204 | put_byte(s, 0);
|
5205 | put_byte(s, 0);
|
5206 | put_byte(s, 0);
|
5207 | put_byte(s, s.level === 9 ? 2 :
|
5208 | (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
|
5209 | 4 : 0));
|
5210 | put_byte(s, OS_CODE);
|
5211 | s.status = BUSY_STATE;
|
5212 | }
|
5213 | else {
|
5214 | put_byte(s, (s.gzhead.text ? 1 : 0) +
|
5215 | (s.gzhead.hcrc ? 2 : 0) +
|
5216 | (!s.gzhead.extra ? 0 : 4) +
|
5217 | (!s.gzhead.name ? 0 : 8) +
|
5218 | (!s.gzhead.comment ? 0 : 16)
|
5219 | );
|
5220 | put_byte(s, s.gzhead.time & 0xff);
|
5221 | put_byte(s, (s.gzhead.time >> 8) & 0xff);
|
5222 | put_byte(s, (s.gzhead.time >> 16) & 0xff);
|
5223 | put_byte(s, (s.gzhead.time >> 24) & 0xff);
|
5224 | put_byte(s, s.level === 9 ? 2 :
|
5225 | (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
|
5226 | 4 : 0));
|
5227 | put_byte(s, s.gzhead.os & 0xff);
|
5228 | if (s.gzhead.extra && s.gzhead.extra.length) {
|
5229 | put_byte(s, s.gzhead.extra.length & 0xff);
|
5230 | put_byte(s, (s.gzhead.extra.length >> 8) & 0xff);
|
5231 | }
|
5232 | if (s.gzhead.hcrc) {
|
5233 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending, 0);
|
5234 | }
|
5235 | s.gzindex = 0;
|
5236 | s.status = EXTRA_STATE;
|
5237 | }
|
5238 | }
|
5239 | else
|
5240 | {
|
5241 | var header = (Z_DEFLATED + ((s.w_bits - 8) << 4)) << 8;
|
5242 | var level_flags = -1;
|
5243 |
|
5244 | if (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2) {
|
5245 | level_flags = 0;
|
5246 | } else if (s.level < 6) {
|
5247 | level_flags = 1;
|
5248 | } else if (s.level === 6) {
|
5249 | level_flags = 2;
|
5250 | } else {
|
5251 | level_flags = 3;
|
5252 | }
|
5253 | header |= (level_flags << 6);
|
5254 | if (s.strstart !== 0) { header |= PRESET_DICT; }
|
5255 | header += 31 - (header % 31);
|
5256 |
|
5257 | s.status = BUSY_STATE;
|
5258 | putShortMSB(s, header);
|
5259 |
|
5260 |
|
5261 | if (s.strstart !== 0) {
|
5262 | putShortMSB(s, strm.adler >>> 16);
|
5263 | putShortMSB(s, strm.adler & 0xffff);
|
5264 | }
|
5265 | strm.adler = 1;
|
5266 | }
|
5267 | }
|
5268 |
|
5269 |
|
5270 | if (s.status === EXTRA_STATE) {
|
5271 | if (s.gzhead.extra) {
|
5272 | beg = s.pending;
|
5273 |
|
5274 | while (s.gzindex < (s.gzhead.extra.length & 0xffff)) {
|
5275 | if (s.pending === s.pending_buf_size) {
|
5276 | if (s.gzhead.hcrc && s.pending > beg) {
|
5277 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5278 | }
|
5279 | flush_pending(strm);
|
5280 | beg = s.pending;
|
5281 | if (s.pending === s.pending_buf_size) {
|
5282 | break;
|
5283 | }
|
5284 | }
|
5285 | put_byte(s, s.gzhead.extra[s.gzindex] & 0xff);
|
5286 | s.gzindex++;
|
5287 | }
|
5288 | if (s.gzhead.hcrc && s.pending > beg) {
|
5289 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5290 | }
|
5291 | if (s.gzindex === s.gzhead.extra.length) {
|
5292 | s.gzindex = 0;
|
5293 | s.status = NAME_STATE;
|
5294 | }
|
5295 | }
|
5296 | else {
|
5297 | s.status = NAME_STATE;
|
5298 | }
|
5299 | }
|
5300 | if (s.status === NAME_STATE) {
|
5301 | if (s.gzhead.name) {
|
5302 | beg = s.pending;
|
5303 |
|
5304 |
|
5305 | do {
|
5306 | if (s.pending === s.pending_buf_size) {
|
5307 | if (s.gzhead.hcrc && s.pending > beg) {
|
5308 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5309 | }
|
5310 | flush_pending(strm);
|
5311 | beg = s.pending;
|
5312 | if (s.pending === s.pending_buf_size) {
|
5313 | val = 1;
|
5314 | break;
|
5315 | }
|
5316 | }
|
5317 |
|
5318 | if (s.gzindex < s.gzhead.name.length) {
|
5319 | val = s.gzhead.name.charCodeAt(s.gzindex++) & 0xff;
|
5320 | } else {
|
5321 | val = 0;
|
5322 | }
|
5323 | put_byte(s, val);
|
5324 | } while (val !== 0);
|
5325 |
|
5326 | if (s.gzhead.hcrc && s.pending > beg){
|
5327 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5328 | }
|
5329 | if (val === 0) {
|
5330 | s.gzindex = 0;
|
5331 | s.status = COMMENT_STATE;
|
5332 | }
|
5333 | }
|
5334 | else {
|
5335 | s.status = COMMENT_STATE;
|
5336 | }
|
5337 | }
|
5338 | if (s.status === COMMENT_STATE) {
|
5339 | if (s.gzhead.comment) {
|
5340 | beg = s.pending;
|
5341 |
|
5342 |
|
5343 | do {
|
5344 | if (s.pending === s.pending_buf_size) {
|
5345 | if (s.gzhead.hcrc && s.pending > beg) {
|
5346 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5347 | }
|
5348 | flush_pending(strm);
|
5349 | beg = s.pending;
|
5350 | if (s.pending === s.pending_buf_size) {
|
5351 | val = 1;
|
5352 | break;
|
5353 | }
|
5354 | }
|
5355 |
|
5356 | if (s.gzindex < s.gzhead.comment.length) {
|
5357 | val = s.gzhead.comment.charCodeAt(s.gzindex++) & 0xff;
|
5358 | } else {
|
5359 | val = 0;
|
5360 | }
|
5361 | put_byte(s, val);
|
5362 | } while (val !== 0);
|
5363 |
|
5364 | if (s.gzhead.hcrc && s.pending > beg) {
|
5365 | strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
|
5366 | }
|
5367 | if (val === 0) {
|
5368 | s.status = HCRC_STATE;
|
5369 | }
|
5370 | }
|
5371 | else {
|
5372 | s.status = HCRC_STATE;
|
5373 | }
|
5374 | }
|
5375 | if (s.status === HCRC_STATE) {
|
5376 | if (s.gzhead.hcrc) {
|
5377 | if (s.pending + 2 > s.pending_buf_size) {
|
5378 | flush_pending(strm);
|
5379 | }
|
5380 | if (s.pending + 2 <= s.pending_buf_size) {
|
5381 | put_byte(s, strm.adler & 0xff);
|
5382 | put_byte(s, (strm.adler >> 8) & 0xff);
|
5383 | strm.adler = 0;
|
5384 | s.status = BUSY_STATE;
|
5385 | }
|
5386 | }
|
5387 | else {
|
5388 | s.status = BUSY_STATE;
|
5389 | }
|
5390 | }
|
5391 |
|
5392 |
|
5393 |
|
5394 | if (s.pending !== 0) {
|
5395 | flush_pending(strm);
|
5396 | if (strm.avail_out === 0) {
|
5397 | |
5398 |
|
5399 |
|
5400 |
|
5401 |
|
5402 |
|
5403 | s.last_flush = -1;
|
5404 | return Z_OK;
|
5405 | }
|
5406 |
|
5407 | |
5408 |
|
5409 |
|
5410 |
|
5411 | } else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) &&
|
5412 | flush !== Z_FINISH) {
|
5413 | return err(strm, Z_BUF_ERROR);
|
5414 | }
|
5415 |
|
5416 |
|
5417 | if (s.status === FINISH_STATE && strm.avail_in !== 0) {
|
5418 | return err(strm, Z_BUF_ERROR);
|
5419 | }
|
5420 |
|
5421 | |
5422 |
|
5423 | if (strm.avail_in !== 0 || s.lookahead !== 0 ||
|
5424 | (flush !== Z_NO_FLUSH && s.status !== FINISH_STATE)) {
|
5425 | var bstate = (s.strategy === Z_HUFFMAN_ONLY) ? deflate_huff(s, flush) :
|
5426 | (s.strategy === Z_RLE ? deflate_rle(s, flush) :
|
5427 | configuration_table[s.level].func(s, flush));
|
5428 |
|
5429 | if (bstate === BS_FINISH_STARTED || bstate === BS_FINISH_DONE) {
|
5430 | s.status = FINISH_STATE;
|
5431 | }
|
5432 | if (bstate === BS_NEED_MORE || bstate === BS_FINISH_STARTED) {
|
5433 | if (strm.avail_out === 0) {
|
5434 | s.last_flush = -1;
|
5435 |
|
5436 | }
|
5437 | return Z_OK;
|
5438 | |
5439 |
|
5440 |
|
5441 |
|
5442 |
|
5443 |
|
5444 |
|
5445 | }
|
5446 | if (bstate === BS_BLOCK_DONE) {
|
5447 | if (flush === Z_PARTIAL_FLUSH) {
|
5448 | trees._tr_align(s);
|
5449 | }
|
5450 | else if (flush !== Z_BLOCK) {
|
5451 |
|
5452 | trees._tr_stored_block(s, 0, 0, false);
|
5453 | |
5454 |
|
5455 |
|
5456 | if (flush === Z_FULL_FLUSH) {
|
5457 |
|
5458 | zero(s.head);
|
5459 |
|
5460 | if (s.lookahead === 0) {
|
5461 | s.strstart = 0;
|
5462 | s.block_start = 0;
|
5463 | s.insert = 0;
|
5464 | }
|
5465 | }
|
5466 | }
|
5467 | flush_pending(strm);
|
5468 | if (strm.avail_out === 0) {
|
5469 | s.last_flush = -1;
|
5470 | return Z_OK;
|
5471 | }
|
5472 | }
|
5473 | }
|
5474 |
|
5475 |
|
5476 |
|
5477 | if (flush !== Z_FINISH) { return Z_OK; }
|
5478 | if (s.wrap <= 0) { return Z_STREAM_END; }
|
5479 |
|
5480 |
|
5481 | if (s.wrap === 2) {
|
5482 | put_byte(s, strm.adler & 0xff);
|
5483 | put_byte(s, (strm.adler >> 8) & 0xff);
|
5484 | put_byte(s, (strm.adler >> 16) & 0xff);
|
5485 | put_byte(s, (strm.adler >> 24) & 0xff);
|
5486 | put_byte(s, strm.total_in & 0xff);
|
5487 | put_byte(s, (strm.total_in >> 8) & 0xff);
|
5488 | put_byte(s, (strm.total_in >> 16) & 0xff);
|
5489 | put_byte(s, (strm.total_in >> 24) & 0xff);
|
5490 | }
|
5491 | else
|
5492 | {
|
5493 | putShortMSB(s, strm.adler >>> 16);
|
5494 | putShortMSB(s, strm.adler & 0xffff);
|
5495 | }
|
5496 |
|
5497 | flush_pending(strm);
|
5498 | |
5499 |
|
5500 |
|
5501 | if (s.wrap > 0) { s.wrap = -s.wrap; }
|
5502 |
|
5503 | return s.pending !== 0 ? Z_OK : Z_STREAM_END;
|
5504 | }
|
5505 |
|
5506 | function deflateEnd(strm) {
|
5507 | var status;
|
5508 |
|
5509 | if (!strm || !strm.state) {
|
5510 | return Z_STREAM_ERROR;
|
5511 | }
|
5512 |
|
5513 | status = strm.state.status;
|
5514 | if (status !== INIT_STATE &&
|
5515 | status !== EXTRA_STATE &&
|
5516 | status !== NAME_STATE &&
|
5517 | status !== COMMENT_STATE &&
|
5518 | status !== HCRC_STATE &&
|
5519 | status !== BUSY_STATE &&
|
5520 | status !== FINISH_STATE
|
5521 | ) {
|
5522 | return err(strm, Z_STREAM_ERROR);
|
5523 | }
|
5524 |
|
5525 | strm.state = null;
|
5526 |
|
5527 | return status === BUSY_STATE ? err(strm, Z_DATA_ERROR) : Z_OK;
|
5528 | }
|
5529 |
|
5530 |
|
5531 |
|
5532 |
|
5533 |
|
5534 |
|
5535 |
|
5536 |
|
5537 | exports.deflateInit = deflateInit;
|
5538 | exports.deflateInit2 = deflateInit2;
|
5539 | exports.deflateReset = deflateReset;
|
5540 | exports.deflateResetKeep = deflateResetKeep;
|
5541 | exports.deflateSetHeader = deflateSetHeader;
|
5542 | exports.deflate = deflate;
|
5543 | exports.deflateEnd = deflateEnd;
|
5544 | exports.deflateInfo = 'pako deflate (from Nodeca project)';
|
5545 |
|
5546 |
|
5547 |
|
5548 |
|
5549 |
|
5550 |
|
5551 |
|
5552 |
|
5553 |
|
5554 |
|
5555 | },{"../utils/common":27,"./adler32":29,"./crc32":31,"./messages":37,"./trees":38}],33:[function(_dereq_,module,exports){
|
5556 | 'use strict';
|
5557 |
|
5558 |
|
5559 | function GZheader() {
|
5560 |
|
5561 | this.text = 0;
|
5562 |
|
5563 | this.time = 0;
|
5564 |
|
5565 | this.xflags = 0;
|
5566 |
|
5567 | this.os = 0;
|
5568 |
|
5569 | this.extra = null;
|
5570 |
|
5571 | this.extra_len = 0;
|
5572 |
|
5573 |
|
5574 |
|
5575 |
|
5576 |
|
5577 |
|
5578 |
|
5579 |
|
5580 |
|
5581 |
|
5582 | this.name = '';
|
5583 |
|
5584 |
|
5585 |
|
5586 | this.comment = '';
|
5587 |
|
5588 |
|
5589 |
|
5590 | this.hcrc = 0;
|
5591 |
|
5592 | this.done = false;
|
5593 | }
|
5594 |
|
5595 | module.exports = GZheader;
|
5596 | },{}],34:[function(_dereq_,module,exports){
|
5597 | 'use strict';
|
5598 |
|
5599 |
|
5600 | var BAD = 30;
|
5601 | var TYPE = 12;
|
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 |
|
5627 |
|
5628 |
|
5629 |
|
5630 |
|
5631 |
|
5632 |
|
5633 |
|
5634 |
|
5635 |
|
5636 |
|
5637 |
|
5638 | module.exports = function inflate_fast(strm, start) {
|
5639 | var state;
|
5640 | var _in;
|
5641 | var last;
|
5642 | var _out;
|
5643 | var beg;
|
5644 | var end;
|
5645 |
|
5646 | var dmax;
|
5647 |
|
5648 | var wsize;
|
5649 | var whave;
|
5650 | var wnext;
|
5651 | var window;
|
5652 | var hold;
|
5653 | var bits;
|
5654 | var lcode;
|
5655 | var dcode;
|
5656 | var lmask;
|
5657 | var dmask;
|
5658 | var here;
|
5659 | var op;
|
5660 |
|
5661 | var len;
|
5662 | var dist;
|
5663 | var from;
|
5664 | var from_source;
|
5665 |
|
5666 |
|
5667 | var input, output;
|
5668 |
|
5669 |
|
5670 | state = strm.state;
|
5671 |
|
5672 | _in = strm.next_in;
|
5673 | input = strm.input;
|
5674 | last = _in + (strm.avail_in - 5);
|
5675 | _out = strm.next_out;
|
5676 | output = strm.output;
|
5677 | beg = _out - (start - strm.avail_out);
|
5678 | end = _out + (strm.avail_out - 257);
|
5679 |
|
5680 | dmax = state.dmax;
|
5681 |
|
5682 | wsize = state.wsize;
|
5683 | whave = state.whave;
|
5684 | wnext = state.wnext;
|
5685 | window = state.window;
|
5686 | hold = state.hold;
|
5687 | bits = state.bits;
|
5688 | lcode = state.lencode;
|
5689 | dcode = state.distcode;
|
5690 | lmask = (1 << state.lenbits) - 1;
|
5691 | dmask = (1 << state.distbits) - 1;
|
5692 |
|
5693 |
|
5694 | |
5695 |
|
5696 |
|
5697 | top:
|
5698 | do {
|
5699 | if (bits < 15) {
|
5700 | hold += input[_in++] << bits;
|
5701 | bits += 8;
|
5702 | hold += input[_in++] << bits;
|
5703 | bits += 8;
|
5704 | }
|
5705 |
|
5706 | here = lcode[hold & lmask];
|
5707 |
|
5708 | dolen:
|
5709 | for (;;) {
|
5710 | op = here >>> 24;
|
5711 | hold >>>= op;
|
5712 | bits -= op;
|
5713 | op = (here >>> 16) & 0xff;
|
5714 | if (op === 0) {
|
5715 |
|
5716 |
|
5717 |
|
5718 | output[_out++] = here & 0xffff;
|
5719 | }
|
5720 | else if (op & 16) {
|
5721 | len = here & 0xffff;
|
5722 | op &= 15;
|
5723 | if (op) {
|
5724 | if (bits < op) {
|
5725 | hold += input[_in++] << bits;
|
5726 | bits += 8;
|
5727 | }
|
5728 | len += hold & ((1 << op) - 1);
|
5729 | hold >>>= op;
|
5730 | bits -= op;
|
5731 | }
|
5732 |
|
5733 | if (bits < 15) {
|
5734 | hold += input[_in++] << bits;
|
5735 | bits += 8;
|
5736 | hold += input[_in++] << bits;
|
5737 | bits += 8;
|
5738 | }
|
5739 | here = dcode[hold & dmask];
|
5740 |
|
5741 | dodist:
|
5742 | for (;;) {
|
5743 | op = here >>> 24;
|
5744 | hold >>>= op;
|
5745 | bits -= op;
|
5746 | op = (here >>> 16) & 0xff;
|
5747 |
|
5748 | if (op & 16) {
|
5749 | dist = here & 0xffff;
|
5750 | op &= 15;
|
5751 | if (bits < op) {
|
5752 | hold += input[_in++] << bits;
|
5753 | bits += 8;
|
5754 | if (bits < op) {
|
5755 | hold += input[_in++] << bits;
|
5756 | bits += 8;
|
5757 | }
|
5758 | }
|
5759 | dist += hold & ((1 << op) - 1);
|
5760 |
|
5761 | if (dist > dmax) {
|
5762 | strm.msg = 'invalid distance too far back';
|
5763 | state.mode = BAD;
|
5764 | break top;
|
5765 | }
|
5766 |
|
5767 | hold >>>= op;
|
5768 | bits -= op;
|
5769 |
|
5770 | op = _out - beg;
|
5771 | if (dist > op) {
|
5772 | op = dist - op;
|
5773 | if (op > whave) {
|
5774 | if (state.sane) {
|
5775 | strm.msg = 'invalid distance too far back';
|
5776 | state.mode = BAD;
|
5777 | break top;
|
5778 | }
|
5779 |
|
5780 |
|
5781 |
|
5782 |
|
5783 |
|
5784 |
|
5785 |
|
5786 |
|
5787 |
|
5788 |
|
5789 |
|
5790 |
|
5791 |
|
5792 |
|
5793 |
|
5794 |
|
5795 |
|
5796 |
|
5797 |
|
5798 |
|
5799 |
|
5800 |
|
5801 | }
|
5802 | from = 0;
|
5803 | from_source = window;
|
5804 | if (wnext === 0) {
|
5805 | from += wsize - op;
|
5806 | if (op < len) {
|
5807 | len -= op;
|
5808 | do {
|
5809 | output[_out++] = window[from++];
|
5810 | } while (--op);
|
5811 | from = _out - dist;
|
5812 | from_source = output;
|
5813 | }
|
5814 | }
|
5815 | else if (wnext < op) {
|
5816 | from += wsize + wnext - op;
|
5817 | op -= wnext;
|
5818 | if (op < len) {
|
5819 | len -= op;
|
5820 | do {
|
5821 | output[_out++] = window[from++];
|
5822 | } while (--op);
|
5823 | from = 0;
|
5824 | if (wnext < len) {
|
5825 | op = wnext;
|
5826 | len -= op;
|
5827 | do {
|
5828 | output[_out++] = window[from++];
|
5829 | } while (--op);
|
5830 | from = _out - dist;
|
5831 | from_source = output;
|
5832 | }
|
5833 | }
|
5834 | }
|
5835 | else {
|
5836 | from += wnext - op;
|
5837 | if (op < len) {
|
5838 | len -= op;
|
5839 | do {
|
5840 | output[_out++] = window[from++];
|
5841 | } while (--op);
|
5842 | from = _out - dist;
|
5843 | from_source = output;
|
5844 | }
|
5845 | }
|
5846 | while (len > 2) {
|
5847 | output[_out++] = from_source[from++];
|
5848 | output[_out++] = from_source[from++];
|
5849 | output[_out++] = from_source[from++];
|
5850 | len -= 3;
|
5851 | }
|
5852 | if (len) {
|
5853 | output[_out++] = from_source[from++];
|
5854 | if (len > 1) {
|
5855 | output[_out++] = from_source[from++];
|
5856 | }
|
5857 | }
|
5858 | }
|
5859 | else {
|
5860 | from = _out - dist;
|
5861 | do {
|
5862 | output[_out++] = output[from++];
|
5863 | output[_out++] = output[from++];
|
5864 | output[_out++] = output[from++];
|
5865 | len -= 3;
|
5866 | } while (len > 2);
|
5867 | if (len) {
|
5868 | output[_out++] = output[from++];
|
5869 | if (len > 1) {
|
5870 | output[_out++] = output[from++];
|
5871 | }
|
5872 | }
|
5873 | }
|
5874 | }
|
5875 | else if ((op & 64) === 0) {
|
5876 | here = dcode[(here & 0xffff) + (hold & ((1 << op) - 1))];
|
5877 | continue dodist;
|
5878 | }
|
5879 | else {
|
5880 | strm.msg = 'invalid distance code';
|
5881 | state.mode = BAD;
|
5882 | break top;
|
5883 | }
|
5884 |
|
5885 | break;
|
5886 | }
|
5887 | }
|
5888 | else if ((op & 64) === 0) {
|
5889 | here = lcode[(here & 0xffff) + (hold & ((1 << op) - 1))];
|
5890 | continue dolen;
|
5891 | }
|
5892 | else if (op & 32) {
|
5893 |
|
5894 | state.mode = TYPE;
|
5895 | break top;
|
5896 | }
|
5897 | else {
|
5898 | strm.msg = 'invalid literal/length code';
|
5899 | state.mode = BAD;
|
5900 | break top;
|
5901 | }
|
5902 |
|
5903 | break;
|
5904 | }
|
5905 | } while (_in < last && _out < end);
|
5906 |
|
5907 |
|
5908 | len = bits >> 3;
|
5909 | _in -= len;
|
5910 | bits -= len << 3;
|
5911 | hold &= (1 << bits) - 1;
|
5912 |
|
5913 |
|
5914 | strm.next_in = _in;
|
5915 | strm.next_out = _out;
|
5916 | strm.avail_in = (_in < last ? 5 + (last - _in) : 5 - (_in - last));
|
5917 | strm.avail_out = (_out < end ? 257 + (end - _out) : 257 - (_out - end));
|
5918 | state.hold = hold;
|
5919 | state.bits = bits;
|
5920 | return;
|
5921 | };
|
5922 |
|
5923 | },{}],35:[function(_dereq_,module,exports){
|
5924 | 'use strict';
|
5925 |
|
5926 |
|
5927 | var utils = _dereq_('../utils/common');
|
5928 | var adler32 = _dereq_('./adler32');
|
5929 | var crc32 = _dereq_('./crc32');
|
5930 | var inflate_fast = _dereq_('./inffast');
|
5931 | var inflate_table = _dereq_('./inftrees');
|
5932 |
|
5933 | var CODES = 0;
|
5934 | var LENS = 1;
|
5935 | var DISTS = 2;
|
5936 |
|
5937 |
|
5938 |
|
5939 |
|
5940 |
|
5941 |
|
5942 |
|
5943 |
|
5944 |
|
5945 |
|
5946 | var Z_FINISH = 4;
|
5947 | var Z_BLOCK = 5;
|
5948 | var Z_TREES = 6;
|
5949 |
|
5950 |
|
5951 |
|
5952 |
|
5953 |
|
5954 | var Z_OK = 0;
|
5955 | var Z_STREAM_END = 1;
|
5956 | var Z_NEED_DICT = 2;
|
5957 |
|
5958 | var Z_STREAM_ERROR = -2;
|
5959 | var Z_DATA_ERROR = -3;
|
5960 | var Z_MEM_ERROR = -4;
|
5961 | var Z_BUF_ERROR = -5;
|
5962 |
|
5963 |
|
5964 |
|
5965 | var Z_DEFLATED = 8;
|
5966 |
|
5967 |
|
5968 |
|
5969 |
|
5970 |
|
5971 |
|
5972 | var HEAD = 1;
|
5973 | var FLAGS = 2;
|
5974 | var TIME = 3;
|
5975 | var OS = 4;
|
5976 | var EXLEN = 5;
|
5977 | var EXTRA = 6;
|
5978 | var NAME = 7;
|
5979 | var COMMENT = 8;
|
5980 | var HCRC = 9;
|
5981 | var DICTID = 10;
|
5982 | var DICT = 11;
|
5983 | var TYPE = 12;
|
5984 | var TYPEDO = 13;
|
5985 | var STORED = 14;
|
5986 | var COPY_ = 15;
|
5987 | var COPY = 16;
|
5988 | var TABLE = 17;
|
5989 | var LENLENS = 18;
|
5990 | var CODELENS = 19;
|
5991 | var LEN_ = 20;
|
5992 | var LEN = 21;
|
5993 | var LENEXT = 22;
|
5994 | var DIST = 23;
|
5995 | var DISTEXT = 24;
|
5996 | var MATCH = 25;
|
5997 | var LIT = 26;
|
5998 | var CHECK = 27;
|
5999 | var LENGTH = 28;
|
6000 | var DONE = 29;
|
6001 | var BAD = 30;
|
6002 | var MEM = 31;
|
6003 | var SYNC = 32;
|
6004 |
|
6005 |
|
6006 |
|
6007 |
|
6008 |
|
6009 | var ENOUGH_LENS = 852;
|
6010 | var ENOUGH_DISTS = 592;
|
6011 |
|
6012 |
|
6013 | var MAX_WBITS = 15;
|
6014 |
|
6015 | var DEF_WBITS = MAX_WBITS;
|
6016 |
|
6017 |
|
6018 | function ZSWAP32(q) {
|
6019 | return (((q >>> 24) & 0xff) +
|
6020 | ((q >>> 8) & 0xff00) +
|
6021 | ((q & 0xff00) << 8) +
|
6022 | ((q & 0xff) << 24));
|
6023 | }
|
6024 |
|
6025 |
|
6026 | function InflateState() {
|
6027 | this.mode = 0;
|
6028 | this.last = false;
|
6029 | this.wrap = 0;
|
6030 | this.havedict = false;
|
6031 | this.flags = 0;
|
6032 | this.dmax = 0;
|
6033 | this.check = 0;
|
6034 | this.total = 0;
|
6035 |
|
6036 | this.head = null;
|
6037 |
|
6038 |
|
6039 | this.wbits = 0;
|
6040 | this.wsize = 0;
|
6041 | this.whave = 0;
|
6042 | this.wnext = 0;
|
6043 | this.window = null;
|
6044 |
|
6045 |
|
6046 | this.hold = 0;
|
6047 | this.bits = 0;
|
6048 |
|
6049 |
|
6050 | this.length = 0;
|
6051 | this.offset = 0;
|
6052 |
|
6053 |
|
6054 | this.extra = 0;
|
6055 |
|
6056 |
|
6057 | this.lencode = null;
|
6058 | this.distcode = null;
|
6059 | this.lenbits = 0;
|
6060 | this.distbits = 0;
|
6061 |
|
6062 |
|
6063 | this.ncode = 0;
|
6064 | this.nlen = 0;
|
6065 | this.ndist = 0;
|
6066 | this.have = 0;
|
6067 | this.next = null;
|
6068 |
|
6069 | this.lens = new utils.Buf16(320);
|
6070 | this.work = new utils.Buf16(288);
|
6071 |
|
6072 | |
6073 |
|
6074 |
|
6075 |
|
6076 |
|
6077 | this.lendyn = null;
|
6078 | this.distdyn = null;
|
6079 | this.sane = 0;
|
6080 | this.back = 0;
|
6081 | this.was = 0;
|
6082 | }
|
6083 |
|
6084 | function inflateResetKeep(strm) {
|
6085 | var state;
|
6086 |
|
6087 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
6088 | state = strm.state;
|
6089 | strm.total_in = strm.total_out = state.total = 0;
|
6090 | strm.msg = '';
|
6091 | if (state.wrap) {
|
6092 | strm.adler = state.wrap & 1;
|
6093 | }
|
6094 | state.mode = HEAD;
|
6095 | state.last = 0;
|
6096 | state.havedict = 0;
|
6097 | state.dmax = 32768;
|
6098 | state.head = null;
|
6099 | state.hold = 0;
|
6100 | state.bits = 0;
|
6101 |
|
6102 | state.lencode = state.lendyn = new utils.Buf32(ENOUGH_LENS);
|
6103 | state.distcode = state.distdyn = new utils.Buf32(ENOUGH_DISTS);
|
6104 |
|
6105 | state.sane = 1;
|
6106 | state.back = -1;
|
6107 |
|
6108 | return Z_OK;
|
6109 | }
|
6110 |
|
6111 | function inflateReset(strm) {
|
6112 | var state;
|
6113 |
|
6114 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
6115 | state = strm.state;
|
6116 | state.wsize = 0;
|
6117 | state.whave = 0;
|
6118 | state.wnext = 0;
|
6119 | return inflateResetKeep(strm);
|
6120 |
|
6121 | }
|
6122 |
|
6123 | function inflateReset2(strm, windowBits) {
|
6124 | var wrap;
|
6125 | var state;
|
6126 |
|
6127 |
|
6128 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
6129 | state = strm.state;
|
6130 |
|
6131 |
|
6132 | if (windowBits < 0) {
|
6133 | wrap = 0;
|
6134 | windowBits = -windowBits;
|
6135 | }
|
6136 | else {
|
6137 | wrap = (windowBits >> 4) + 1;
|
6138 | if (windowBits < 48) {
|
6139 | windowBits &= 15;
|
6140 | }
|
6141 | }
|
6142 |
|
6143 |
|
6144 | if (windowBits && (windowBits < 8 || windowBits > 15)) {
|
6145 | return Z_STREAM_ERROR;
|
6146 | }
|
6147 | if (state.window !== null && state.wbits !== windowBits) {
|
6148 | state.window = null;
|
6149 | }
|
6150 |
|
6151 |
|
6152 | state.wrap = wrap;
|
6153 | state.wbits = windowBits;
|
6154 | return inflateReset(strm);
|
6155 | }
|
6156 |
|
6157 | function inflateInit2(strm, windowBits) {
|
6158 | var ret;
|
6159 | var state;
|
6160 |
|
6161 | if (!strm) { return Z_STREAM_ERROR; }
|
6162 |
|
6163 |
|
6164 | state = new InflateState();
|
6165 |
|
6166 |
|
6167 |
|
6168 | strm.state = state;
|
6169 | state.window = null;
|
6170 | ret = inflateReset2(strm, windowBits);
|
6171 | if (ret !== Z_OK) {
|
6172 | strm.state = null;
|
6173 | }
|
6174 | return ret;
|
6175 | }
|
6176 |
|
6177 | function inflateInit(strm) {
|
6178 | return inflateInit2(strm, DEF_WBITS);
|
6179 | }
|
6180 |
|
6181 |
|
6182 |
|
6183 |
|
6184 |
|
6185 |
|
6186 |
|
6187 |
|
6188 |
|
6189 |
|
6190 |
|
6191 |
|
6192 | var virgin = true;
|
6193 |
|
6194 | var lenfix, distfix;
|
6195 |
|
6196 | function fixedtables(state) {
|
6197 |
|
6198 | if (virgin) {
|
6199 | var sym;
|
6200 |
|
6201 | lenfix = new utils.Buf32(512);
|
6202 | distfix = new utils.Buf32(32);
|
6203 |
|
6204 |
|
6205 | sym = 0;
|
6206 | while (sym < 144) { state.lens[sym++] = 8; }
|
6207 | while (sym < 256) { state.lens[sym++] = 9; }
|
6208 | while (sym < 280) { state.lens[sym++] = 7; }
|
6209 | while (sym < 288) { state.lens[sym++] = 8; }
|
6210 |
|
6211 | inflate_table(LENS, state.lens, 0, 288, lenfix, 0, state.work, {bits: 9});
|
6212 |
|
6213 |
|
6214 | sym = 0;
|
6215 | while (sym < 32) { state.lens[sym++] = 5; }
|
6216 |
|
6217 | inflate_table(DISTS, state.lens, 0, 32, distfix, 0, state.work, {bits: 5});
|
6218 |
|
6219 |
|
6220 | virgin = false;
|
6221 | }
|
6222 |
|
6223 | state.lencode = lenfix;
|
6224 | state.lenbits = 9;
|
6225 | state.distcode = distfix;
|
6226 | state.distbits = 5;
|
6227 | }
|
6228 |
|
6229 |
|
6230 |
|
6231 |
|
6232 |
|
6233 |
|
6234 |
|
6235 |
|
6236 |
|
6237 |
|
6238 |
|
6239 |
|
6240 |
|
6241 |
|
6242 |
|
6243 |
|
6244 | function updatewindow(strm, src, end, copy) {
|
6245 | var dist;
|
6246 | var state = strm.state;
|
6247 |
|
6248 |
|
6249 | if (state.window === null) {
|
6250 | state.wsize = 1 << state.wbits;
|
6251 | state.wnext = 0;
|
6252 | state.whave = 0;
|
6253 |
|
6254 | state.window = new utils.Buf8(state.wsize);
|
6255 | }
|
6256 |
|
6257 |
|
6258 | if (copy >= state.wsize) {
|
6259 | utils.arraySet(state.window,src, end - state.wsize, state.wsize, 0);
|
6260 | state.wnext = 0;
|
6261 | state.whave = state.wsize;
|
6262 | }
|
6263 | else {
|
6264 | dist = state.wsize - state.wnext;
|
6265 | if (dist > copy) {
|
6266 | dist = copy;
|
6267 | }
|
6268 |
|
6269 | utils.arraySet(state.window,src, end - copy, dist, state.wnext);
|
6270 | copy -= dist;
|
6271 | if (copy) {
|
6272 |
|
6273 | utils.arraySet(state.window,src, end - copy, copy, 0);
|
6274 | state.wnext = copy;
|
6275 | state.whave = state.wsize;
|
6276 | }
|
6277 | else {
|
6278 | state.wnext += dist;
|
6279 | if (state.wnext === state.wsize) { state.wnext = 0; }
|
6280 | if (state.whave < state.wsize) { state.whave += dist; }
|
6281 | }
|
6282 | }
|
6283 | return 0;
|
6284 | }
|
6285 |
|
6286 | function inflate(strm, flush) {
|
6287 | var state;
|
6288 | var input, output;
|
6289 | var next;
|
6290 | var put;
|
6291 | var have, left;
|
6292 | var hold;
|
6293 | var bits;
|
6294 | var _in, _out;
|
6295 | var copy;
|
6296 | var from;
|
6297 | var from_source;
|
6298 | var here = 0;
|
6299 | var here_bits, here_op, here_val;
|
6300 |
|
6301 | var last_bits, last_op, last_val;
|
6302 | var len;
|
6303 | var ret;
|
6304 | var hbuf = new utils.Buf8(4);
|
6305 | var opts;
|
6306 |
|
6307 | var n;
|
6308 |
|
6309 | var order =
|
6310 | [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];
|
6311 |
|
6312 |
|
6313 | if (!strm || !strm.state || !strm.output ||
|
6314 | (!strm.input && strm.avail_in !== 0)) {
|
6315 | return Z_STREAM_ERROR;
|
6316 | }
|
6317 |
|
6318 | state = strm.state;
|
6319 | if (state.mode === TYPE) { state.mode = TYPEDO; }
|
6320 |
|
6321 |
|
6322 |
|
6323 | put = strm.next_out;
|
6324 | output = strm.output;
|
6325 | left = strm.avail_out;
|
6326 | next = strm.next_in;
|
6327 | input = strm.input;
|
6328 | have = strm.avail_in;
|
6329 | hold = state.hold;
|
6330 | bits = state.bits;
|
6331 |
|
6332 |
|
6333 | _in = have;
|
6334 | _out = left;
|
6335 | ret = Z_OK;
|
6336 |
|
6337 | inf_leave:
|
6338 | for (;;) {
|
6339 | switch (state.mode) {
|
6340 | case HEAD:
|
6341 | if (state.wrap === 0) {
|
6342 | state.mode = TYPEDO;
|
6343 | break;
|
6344 | }
|
6345 |
|
6346 | while (bits < 16) {
|
6347 | if (have === 0) { break inf_leave; }
|
6348 | have--;
|
6349 | hold += input[next++] << bits;
|
6350 | bits += 8;
|
6351 | }
|
6352 |
|
6353 | if ((state.wrap & 2) && hold === 0x8b1f) {
|
6354 | state.check = 0;
|
6355 |
|
6356 | hbuf[0] = hold & 0xff;
|
6357 | hbuf[1] = (hold >>> 8) & 0xff;
|
6358 | state.check = crc32(state.check, hbuf, 2, 0);
|
6359 |
|
6360 |
|
6361 |
|
6362 | hold = 0;
|
6363 | bits = 0;
|
6364 |
|
6365 | state.mode = FLAGS;
|
6366 | break;
|
6367 | }
|
6368 | state.flags = 0;
|
6369 | if (state.head) {
|
6370 | state.head.done = false;
|
6371 | }
|
6372 | if (!(state.wrap & 1) ||
|
6373 | (((hold & 0xff) << 8) + (hold >> 8)) % 31) {
|
6374 | strm.msg = 'incorrect header check';
|
6375 | state.mode = BAD;
|
6376 | break;
|
6377 | }
|
6378 | if ((hold & 0x0f) !== Z_DEFLATED) {
|
6379 | strm.msg = 'unknown compression method';
|
6380 | state.mode = BAD;
|
6381 | break;
|
6382 | }
|
6383 |
|
6384 | hold >>>= 4;
|
6385 | bits -= 4;
|
6386 |
|
6387 | len = (hold & 0x0f) + 8;
|
6388 | if (state.wbits === 0) {
|
6389 | state.wbits = len;
|
6390 | }
|
6391 | else if (len > state.wbits) {
|
6392 | strm.msg = 'invalid window size';
|
6393 | state.mode = BAD;
|
6394 | break;
|
6395 | }
|
6396 | state.dmax = 1 << len;
|
6397 |
|
6398 | strm.adler = state.check = 1;
|
6399 | state.mode = hold & 0x200 ? DICTID : TYPE;
|
6400 |
|
6401 | hold = 0;
|
6402 | bits = 0;
|
6403 |
|
6404 | break;
|
6405 | case FLAGS:
|
6406 |
|
6407 | while (bits < 16) {
|
6408 | if (have === 0) { break inf_leave; }
|
6409 | have--;
|
6410 | hold += input[next++] << bits;
|
6411 | bits += 8;
|
6412 | }
|
6413 |
|
6414 | state.flags = hold;
|
6415 | if ((state.flags & 0xff) !== Z_DEFLATED) {
|
6416 | strm.msg = 'unknown compression method';
|
6417 | state.mode = BAD;
|
6418 | break;
|
6419 | }
|
6420 | if (state.flags & 0xe000) {
|
6421 | strm.msg = 'unknown header flags set';
|
6422 | state.mode = BAD;
|
6423 | break;
|
6424 | }
|
6425 | if (state.head) {
|
6426 | state.head.text = ((hold >> 8) & 1);
|
6427 | }
|
6428 | if (state.flags & 0x0200) {
|
6429 |
|
6430 | hbuf[0] = hold & 0xff;
|
6431 | hbuf[1] = (hold >>> 8) & 0xff;
|
6432 | state.check = crc32(state.check, hbuf, 2, 0);
|
6433 |
|
6434 | }
|
6435 |
|
6436 | hold = 0;
|
6437 | bits = 0;
|
6438 |
|
6439 | state.mode = TIME;
|
6440 |
|
6441 | case TIME:
|
6442 |
|
6443 | while (bits < 32) {
|
6444 | if (have === 0) { break inf_leave; }
|
6445 | have--;
|
6446 | hold += input[next++] << bits;
|
6447 | bits += 8;
|
6448 | }
|
6449 |
|
6450 | if (state.head) {
|
6451 | state.head.time = hold;
|
6452 | }
|
6453 | if (state.flags & 0x0200) {
|
6454 |
|
6455 | hbuf[0] = hold & 0xff;
|
6456 | hbuf[1] = (hold >>> 8) & 0xff;
|
6457 | hbuf[2] = (hold >>> 16) & 0xff;
|
6458 | hbuf[3] = (hold >>> 24) & 0xff;
|
6459 | state.check = crc32(state.check, hbuf, 4, 0);
|
6460 |
|
6461 | }
|
6462 |
|
6463 | hold = 0;
|
6464 | bits = 0;
|
6465 |
|
6466 | state.mode = OS;
|
6467 |
|
6468 | case OS:
|
6469 |
|
6470 | while (bits < 16) {
|
6471 | if (have === 0) { break inf_leave; }
|
6472 | have--;
|
6473 | hold += input[next++] << bits;
|
6474 | bits += 8;
|
6475 | }
|
6476 |
|
6477 | if (state.head) {
|
6478 | state.head.xflags = (hold & 0xff);
|
6479 | state.head.os = (hold >> 8);
|
6480 | }
|
6481 | if (state.flags & 0x0200) {
|
6482 |
|
6483 | hbuf[0] = hold & 0xff;
|
6484 | hbuf[1] = (hold >>> 8) & 0xff;
|
6485 | state.check = crc32(state.check, hbuf, 2, 0);
|
6486 |
|
6487 | }
|
6488 |
|
6489 | hold = 0;
|
6490 | bits = 0;
|
6491 |
|
6492 | state.mode = EXLEN;
|
6493 |
|
6494 | case EXLEN:
|
6495 | if (state.flags & 0x0400) {
|
6496 |
|
6497 | while (bits < 16) {
|
6498 | if (have === 0) { break inf_leave; }
|
6499 | have--;
|
6500 | hold += input[next++] << bits;
|
6501 | bits += 8;
|
6502 | }
|
6503 |
|
6504 | state.length = hold;
|
6505 | if (state.head) {
|
6506 | state.head.extra_len = hold;
|
6507 | }
|
6508 | if (state.flags & 0x0200) {
|
6509 |
|
6510 | hbuf[0] = hold & 0xff;
|
6511 | hbuf[1] = (hold >>> 8) & 0xff;
|
6512 | state.check = crc32(state.check, hbuf, 2, 0);
|
6513 |
|
6514 | }
|
6515 |
|
6516 | hold = 0;
|
6517 | bits = 0;
|
6518 |
|
6519 | }
|
6520 | else if (state.head) {
|
6521 | state.head.extra = null;
|
6522 | }
|
6523 | state.mode = EXTRA;
|
6524 |
|
6525 | case EXTRA:
|
6526 | if (state.flags & 0x0400) {
|
6527 | copy = state.length;
|
6528 | if (copy > have) { copy = have; }
|
6529 | if (copy) {
|
6530 | if (state.head) {
|
6531 | len = state.head.extra_len - state.length;
|
6532 | if (!state.head.extra) {
|
6533 |
|
6534 | state.head.extra = new Array(state.head.extra_len);
|
6535 | }
|
6536 | utils.arraySet(
|
6537 | state.head.extra,
|
6538 | input,
|
6539 | next,
|
6540 |
|
6541 |
|
6542 | copy,
|
6543 |
|
6544 | len
|
6545 | );
|
6546 |
|
6547 |
|
6548 |
|
6549 | }
|
6550 | if (state.flags & 0x0200) {
|
6551 | state.check = crc32(state.check, input, copy, next);
|
6552 | }
|
6553 | have -= copy;
|
6554 | next += copy;
|
6555 | state.length -= copy;
|
6556 | }
|
6557 | if (state.length) { break inf_leave; }
|
6558 | }
|
6559 | state.length = 0;
|
6560 | state.mode = NAME;
|
6561 |
|
6562 | case NAME:
|
6563 | if (state.flags & 0x0800) {
|
6564 | if (have === 0) { break inf_leave; }
|
6565 | copy = 0;
|
6566 | do {
|
6567 |
|
6568 | len = input[next + copy++];
|
6569 |
|
6570 | if (state.head && len &&
|
6571 | (state.length < 65536 )) {
|
6572 | state.head.name += String.fromCharCode(len);
|
6573 | }
|
6574 | } while (len && copy < have);
|
6575 |
|
6576 | if (state.flags & 0x0200) {
|
6577 | state.check = crc32(state.check, input, copy, next);
|
6578 | }
|
6579 | have -= copy;
|
6580 | next += copy;
|
6581 | if (len) { break inf_leave; }
|
6582 | }
|
6583 | else if (state.head) {
|
6584 | state.head.name = null;
|
6585 | }
|
6586 | state.length = 0;
|
6587 | state.mode = COMMENT;
|
6588 |
|
6589 | case COMMENT:
|
6590 | if (state.flags & 0x1000) {
|
6591 | if (have === 0) { break inf_leave; }
|
6592 | copy = 0;
|
6593 | do {
|
6594 | len = input[next + copy++];
|
6595 |
|
6596 | if (state.head && len &&
|
6597 | (state.length < 65536 )) {
|
6598 | state.head.comment += String.fromCharCode(len);
|
6599 | }
|
6600 | } while (len && copy < have);
|
6601 | if (state.flags & 0x0200) {
|
6602 | state.check = crc32(state.check, input, copy, next);
|
6603 | }
|
6604 | have -= copy;
|
6605 | next += copy;
|
6606 | if (len) { break inf_leave; }
|
6607 | }
|
6608 | else if (state.head) {
|
6609 | state.head.comment = null;
|
6610 | }
|
6611 | state.mode = HCRC;
|
6612 |
|
6613 | case HCRC:
|
6614 | if (state.flags & 0x0200) {
|
6615 |
|
6616 | while (bits < 16) {
|
6617 | if (have === 0) { break inf_leave; }
|
6618 | have--;
|
6619 | hold += input[next++] << bits;
|
6620 | bits += 8;
|
6621 | }
|
6622 |
|
6623 | if (hold !== (state.check & 0xffff)) {
|
6624 | strm.msg = 'header crc mismatch';
|
6625 | state.mode = BAD;
|
6626 | break;
|
6627 | }
|
6628 |
|
6629 | hold = 0;
|
6630 | bits = 0;
|
6631 |
|
6632 | }
|
6633 | if (state.head) {
|
6634 | state.head.hcrc = ((state.flags >> 9) & 1);
|
6635 | state.head.done = true;
|
6636 | }
|
6637 | strm.adler = state.check = 0 ;
|
6638 | state.mode = TYPE;
|
6639 | break;
|
6640 | case DICTID:
|
6641 |
|
6642 | while (bits < 32) {
|
6643 | if (have === 0) { break inf_leave; }
|
6644 | have--;
|
6645 | hold += input[next++] << bits;
|
6646 | bits += 8;
|
6647 | }
|
6648 |
|
6649 | strm.adler = state.check = ZSWAP32(hold);
|
6650 |
|
6651 | hold = 0;
|
6652 | bits = 0;
|
6653 |
|
6654 | state.mode = DICT;
|
6655 |
|
6656 | case DICT:
|
6657 | if (state.havedict === 0) {
|
6658 |
|
6659 | strm.next_out = put;
|
6660 | strm.avail_out = left;
|
6661 | strm.next_in = next;
|
6662 | strm.avail_in = have;
|
6663 | state.hold = hold;
|
6664 | state.bits = bits;
|
6665 |
|
6666 | return Z_NEED_DICT;
|
6667 | }
|
6668 | strm.adler = state.check = 1;
|
6669 | state.mode = TYPE;
|
6670 |
|
6671 | case TYPE:
|
6672 | if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; }
|
6673 |
|
6674 | case TYPEDO:
|
6675 | if (state.last) {
|
6676 |
|
6677 | hold >>>= bits & 7;
|
6678 | bits -= bits & 7;
|
6679 |
|
6680 | state.mode = CHECK;
|
6681 | break;
|
6682 | }
|
6683 |
|
6684 | while (bits < 3) {
|
6685 | if (have === 0) { break inf_leave; }
|
6686 | have--;
|
6687 | hold += input[next++] << bits;
|
6688 | bits += 8;
|
6689 | }
|
6690 |
|
6691 | state.last = (hold & 0x01);
|
6692 |
|
6693 | hold >>>= 1;
|
6694 | bits -= 1;
|
6695 |
|
6696 |
|
6697 | switch ((hold & 0x03)) {
|
6698 | case 0:
|
6699 |
|
6700 |
|
6701 | state.mode = STORED;
|
6702 | break;
|
6703 | case 1:
|
6704 | fixedtables(state);
|
6705 |
|
6706 |
|
6707 | state.mode = LEN_;
|
6708 | if (flush === Z_TREES) {
|
6709 |
|
6710 | hold >>>= 2;
|
6711 | bits -= 2;
|
6712 |
|
6713 | break inf_leave;
|
6714 | }
|
6715 | break;
|
6716 | case 2:
|
6717 |
|
6718 |
|
6719 | state.mode = TABLE;
|
6720 | break;
|
6721 | case 3:
|
6722 | strm.msg = 'invalid block type';
|
6723 | state.mode = BAD;
|
6724 | }
|
6725 |
|
6726 | hold >>>= 2;
|
6727 | bits -= 2;
|
6728 |
|
6729 | break;
|
6730 | case STORED:
|
6731 |
|
6732 | hold >>>= bits & 7;
|
6733 | bits -= bits & 7;
|
6734 |
|
6735 |
|
6736 | while (bits < 32) {
|
6737 | if (have === 0) { break inf_leave; }
|
6738 | have--;
|
6739 | hold += input[next++] << bits;
|
6740 | bits += 8;
|
6741 | }
|
6742 |
|
6743 | if ((hold & 0xffff) !== ((hold >>> 16) ^ 0xffff)) {
|
6744 | strm.msg = 'invalid stored block lengths';
|
6745 | state.mode = BAD;
|
6746 | break;
|
6747 | }
|
6748 | state.length = hold & 0xffff;
|
6749 |
|
6750 |
|
6751 |
|
6752 | hold = 0;
|
6753 | bits = 0;
|
6754 |
|
6755 | state.mode = COPY_;
|
6756 | if (flush === Z_TREES) { break inf_leave; }
|
6757 |
|
6758 | case COPY_:
|
6759 | state.mode = COPY;
|
6760 |
|
6761 | case COPY:
|
6762 | copy = state.length;
|
6763 | if (copy) {
|
6764 | if (copy > have) { copy = have; }
|
6765 | if (copy > left) { copy = left; }
|
6766 | if (copy === 0) { break inf_leave; }
|
6767 |
|
6768 | utils.arraySet(output, input, next, copy, put);
|
6769 |
|
6770 | have -= copy;
|
6771 | next += copy;
|
6772 | left -= copy;
|
6773 | put += copy;
|
6774 | state.length -= copy;
|
6775 | break;
|
6776 | }
|
6777 |
|
6778 | state.mode = TYPE;
|
6779 | break;
|
6780 | case TABLE:
|
6781 |
|
6782 | while (bits < 14) {
|
6783 | if (have === 0) { break inf_leave; }
|
6784 | have--;
|
6785 | hold += input[next++] << bits;
|
6786 | bits += 8;
|
6787 | }
|
6788 |
|
6789 | state.nlen = (hold & 0x1f) + 257;
|
6790 |
|
6791 | hold >>>= 5;
|
6792 | bits -= 5;
|
6793 |
|
6794 | state.ndist = (hold & 0x1f) + 1;
|
6795 |
|
6796 | hold >>>= 5;
|
6797 | bits -= 5;
|
6798 |
|
6799 | state.ncode = (hold & 0x0f) + 4;
|
6800 |
|
6801 | hold >>>= 4;
|
6802 | bits -= 4;
|
6803 |
|
6804 |
|
6805 | if (state.nlen > 286 || state.ndist > 30) {
|
6806 | strm.msg = 'too many length or distance symbols';
|
6807 | state.mode = BAD;
|
6808 | break;
|
6809 | }
|
6810 |
|
6811 |
|
6812 | state.have = 0;
|
6813 | state.mode = LENLENS;
|
6814 |
|
6815 | case LENLENS:
|
6816 | while (state.have < state.ncode) {
|
6817 |
|
6818 | while (bits < 3) {
|
6819 | if (have === 0) { break inf_leave; }
|
6820 | have--;
|
6821 | hold += input[next++] << bits;
|
6822 | bits += 8;
|
6823 | }
|
6824 |
|
6825 | state.lens[order[state.have++]] = (hold & 0x07);
|
6826 |
|
6827 | hold >>>= 3;
|
6828 | bits -= 3;
|
6829 |
|
6830 | }
|
6831 | while (state.have < 19) {
|
6832 | state.lens[order[state.have++]] = 0;
|
6833 | }
|
6834 |
|
6835 |
|
6836 |
|
6837 |
|
6838 | state.lencode = state.lendyn;
|
6839 | state.lenbits = 7;
|
6840 |
|
6841 | opts = {bits: state.lenbits};
|
6842 | ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts);
|
6843 | state.lenbits = opts.bits;
|
6844 |
|
6845 | if (ret) {
|
6846 | strm.msg = 'invalid code lengths set';
|
6847 | state.mode = BAD;
|
6848 | break;
|
6849 | }
|
6850 |
|
6851 | state.have = 0;
|
6852 | state.mode = CODELENS;
|
6853 |
|
6854 | case CODELENS:
|
6855 | while (state.have < state.nlen + state.ndist) {
|
6856 | for (;;) {
|
6857 | here = state.lencode[hold & ((1 << state.lenbits) - 1)];
|
6858 | here_bits = here >>> 24;
|
6859 | here_op = (here >>> 16) & 0xff;
|
6860 | here_val = here & 0xffff;
|
6861 |
|
6862 | if ((here_bits) <= bits) { break; }
|
6863 |
|
6864 | if (have === 0) { break inf_leave; }
|
6865 | have--;
|
6866 | hold += input[next++] << bits;
|
6867 | bits += 8;
|
6868 |
|
6869 | }
|
6870 | if (here_val < 16) {
|
6871 |
|
6872 | hold >>>= here_bits;
|
6873 | bits -= here_bits;
|
6874 |
|
6875 | state.lens[state.have++] = here_val;
|
6876 | }
|
6877 | else {
|
6878 | if (here_val === 16) {
|
6879 |
|
6880 | n = here_bits + 2;
|
6881 | while (bits < n) {
|
6882 | if (have === 0) { break inf_leave; }
|
6883 | have--;
|
6884 | hold += input[next++] << bits;
|
6885 | bits += 8;
|
6886 | }
|
6887 |
|
6888 |
|
6889 | hold >>>= here_bits;
|
6890 | bits -= here_bits;
|
6891 |
|
6892 | if (state.have === 0) {
|
6893 | strm.msg = 'invalid bit length repeat';
|
6894 | state.mode = BAD;
|
6895 | break;
|
6896 | }
|
6897 | len = state.lens[state.have - 1];
|
6898 | copy = 3 + (hold & 0x03);
|
6899 |
|
6900 | hold >>>= 2;
|
6901 | bits -= 2;
|
6902 |
|
6903 | }
|
6904 | else if (here_val === 17) {
|
6905 |
|
6906 | n = here_bits + 3;
|
6907 | while (bits < n) {
|
6908 | if (have === 0) { break inf_leave; }
|
6909 | have--;
|
6910 | hold += input[next++] << bits;
|
6911 | bits += 8;
|
6912 | }
|
6913 |
|
6914 |
|
6915 | hold >>>= here_bits;
|
6916 | bits -= here_bits;
|
6917 |
|
6918 | len = 0;
|
6919 | copy = 3 + (hold & 0x07);
|
6920 |
|
6921 | hold >>>= 3;
|
6922 | bits -= 3;
|
6923 |
|
6924 | }
|
6925 | else {
|
6926 |
|
6927 | n = here_bits + 7;
|
6928 | while (bits < n) {
|
6929 | if (have === 0) { break inf_leave; }
|
6930 | have--;
|
6931 | hold += input[next++] << bits;
|
6932 | bits += 8;
|
6933 | }
|
6934 |
|
6935 |
|
6936 | hold >>>= here_bits;
|
6937 | bits -= here_bits;
|
6938 |
|
6939 | len = 0;
|
6940 | copy = 11 + (hold & 0x7f);
|
6941 |
|
6942 | hold >>>= 7;
|
6943 | bits -= 7;
|
6944 |
|
6945 | }
|
6946 | if (state.have + copy > state.nlen + state.ndist) {
|
6947 | strm.msg = 'invalid bit length repeat';
|
6948 | state.mode = BAD;
|
6949 | break;
|
6950 | }
|
6951 | while (copy--) {
|
6952 | state.lens[state.have++] = len;
|
6953 | }
|
6954 | }
|
6955 | }
|
6956 |
|
6957 |
|
6958 | if (state.mode === BAD) { break; }
|
6959 |
|
6960 |
|
6961 | if (state.lens[256] === 0) {
|
6962 | strm.msg = 'invalid code -- missing end-of-block';
|
6963 | state.mode = BAD;
|
6964 | break;
|
6965 | }
|
6966 |
|
6967 | |
6968 |
|
6969 |
|
6970 | state.lenbits = 9;
|
6971 |
|
6972 | opts = {bits: state.lenbits};
|
6973 | ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts);
|
6974 |
|
6975 |
|
6976 | state.lenbits = opts.bits;
|
6977 |
|
6978 |
|
6979 | if (ret) {
|
6980 | strm.msg = 'invalid literal/lengths set';
|
6981 | state.mode = BAD;
|
6982 | break;
|
6983 | }
|
6984 |
|
6985 | state.distbits = 6;
|
6986 |
|
6987 |
|
6988 | state.distcode = state.distdyn;
|
6989 | opts = {bits: state.distbits};
|
6990 | ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts);
|
6991 |
|
6992 |
|
6993 | state.distbits = opts.bits;
|
6994 |
|
6995 |
|
6996 | if (ret) {
|
6997 | strm.msg = 'invalid distances set';
|
6998 | state.mode = BAD;
|
6999 | break;
|
7000 | }
|
7001 |
|
7002 | state.mode = LEN_;
|
7003 | if (flush === Z_TREES) { break inf_leave; }
|
7004 |
|
7005 | case LEN_:
|
7006 | state.mode = LEN;
|
7007 |
|
7008 | case LEN:
|
7009 | if (have >= 6 && left >= 258) {
|
7010 |
|
7011 | strm.next_out = put;
|
7012 | strm.avail_out = left;
|
7013 | strm.next_in = next;
|
7014 | strm.avail_in = have;
|
7015 | state.hold = hold;
|
7016 | state.bits = bits;
|
7017 |
|
7018 | inflate_fast(strm, _out);
|
7019 |
|
7020 | put = strm.next_out;
|
7021 | output = strm.output;
|
7022 | left = strm.avail_out;
|
7023 | next = strm.next_in;
|
7024 | input = strm.input;
|
7025 | have = strm.avail_in;
|
7026 | hold = state.hold;
|
7027 | bits = state.bits;
|
7028 |
|
7029 |
|
7030 | if (state.mode === TYPE) {
|
7031 | state.back = -1;
|
7032 | }
|
7033 | break;
|
7034 | }
|
7035 | state.back = 0;
|
7036 | for (;;) {
|
7037 | here = state.lencode[hold & ((1 << state.lenbits) -1)];
|
7038 | here_bits = here >>> 24;
|
7039 | here_op = (here >>> 16) & 0xff;
|
7040 | here_val = here & 0xffff;
|
7041 |
|
7042 | if (here_bits <= bits) { break; }
|
7043 |
|
7044 | if (have === 0) { break inf_leave; }
|
7045 | have--;
|
7046 | hold += input[next++] << bits;
|
7047 | bits += 8;
|
7048 |
|
7049 | }
|
7050 | if (here_op && (here_op & 0xf0) === 0) {
|
7051 | last_bits = here_bits;
|
7052 | last_op = here_op;
|
7053 | last_val = here_val;
|
7054 | for (;;) {
|
7055 | here = state.lencode[last_val +
|
7056 | ((hold & ((1 << (last_bits + last_op)) -1)) >> last_bits)];
|
7057 | here_bits = here >>> 24;
|
7058 | here_op = (here >>> 16) & 0xff;
|
7059 | here_val = here & 0xffff;
|
7060 |
|
7061 | if ((last_bits + here_bits) <= bits) { break; }
|
7062 |
|
7063 | if (have === 0) { break inf_leave; }
|
7064 | have--;
|
7065 | hold += input[next++] << bits;
|
7066 | bits += 8;
|
7067 |
|
7068 | }
|
7069 |
|
7070 | hold >>>= last_bits;
|
7071 | bits -= last_bits;
|
7072 |
|
7073 | state.back += last_bits;
|
7074 | }
|
7075 |
|
7076 | hold >>>= here_bits;
|
7077 | bits -= here_bits;
|
7078 |
|
7079 | state.back += here_bits;
|
7080 | state.length = here_val;
|
7081 | if (here_op === 0) {
|
7082 |
|
7083 |
|
7084 |
|
7085 | state.mode = LIT;
|
7086 | break;
|
7087 | }
|
7088 | if (here_op & 32) {
|
7089 |
|
7090 | state.back = -1;
|
7091 | state.mode = TYPE;
|
7092 | break;
|
7093 | }
|
7094 | if (here_op & 64) {
|
7095 | strm.msg = 'invalid literal/length code';
|
7096 | state.mode = BAD;
|
7097 | break;
|
7098 | }
|
7099 | state.extra = here_op & 15;
|
7100 | state.mode = LENEXT;
|
7101 |
|
7102 | case LENEXT:
|
7103 | if (state.extra) {
|
7104 |
|
7105 | n = state.extra;
|
7106 | while (bits < n) {
|
7107 | if (have === 0) { break inf_leave; }
|
7108 | have--;
|
7109 | hold += input[next++] << bits;
|
7110 | bits += 8;
|
7111 | }
|
7112 |
|
7113 | state.length += hold & ((1 << state.extra) -1);
|
7114 |
|
7115 | hold >>>= state.extra;
|
7116 | bits -= state.extra;
|
7117 |
|
7118 | state.back += state.extra;
|
7119 | }
|
7120 |
|
7121 | state.was = state.length;
|
7122 | state.mode = DIST;
|
7123 |
|
7124 | case DIST:
|
7125 | for (;;) {
|
7126 | here = state.distcode[hold & ((1 << state.distbits) -1)];
|
7127 | here_bits = here >>> 24;
|
7128 | here_op = (here >>> 16) & 0xff;
|
7129 | here_val = here & 0xffff;
|
7130 |
|
7131 | if ((here_bits) <= bits) { break; }
|
7132 |
|
7133 | if (have === 0) { break inf_leave; }
|
7134 | have--;
|
7135 | hold += input[next++] << bits;
|
7136 | bits += 8;
|
7137 |
|
7138 | }
|
7139 | if ((here_op & 0xf0) === 0) {
|
7140 | last_bits = here_bits;
|
7141 | last_op = here_op;
|
7142 | last_val = here_val;
|
7143 | for (;;) {
|
7144 | here = state.distcode[last_val +
|
7145 | ((hold & ((1 << (last_bits + last_op)) -1)) >> last_bits)];
|
7146 | here_bits = here >>> 24;
|
7147 | here_op = (here >>> 16) & 0xff;
|
7148 | here_val = here & 0xffff;
|
7149 |
|
7150 | if ((last_bits + here_bits) <= bits) { break; }
|
7151 |
|
7152 | if (have === 0) { break inf_leave; }
|
7153 | have--;
|
7154 | hold += input[next++] << bits;
|
7155 | bits += 8;
|
7156 |
|
7157 | }
|
7158 |
|
7159 | hold >>>= last_bits;
|
7160 | bits -= last_bits;
|
7161 |
|
7162 | state.back += last_bits;
|
7163 | }
|
7164 |
|
7165 | hold >>>= here_bits;
|
7166 | bits -= here_bits;
|
7167 |
|
7168 | state.back += here_bits;
|
7169 | if (here_op & 64) {
|
7170 | strm.msg = 'invalid distance code';
|
7171 | state.mode = BAD;
|
7172 | break;
|
7173 | }
|
7174 | state.offset = here_val;
|
7175 | state.extra = (here_op) & 15;
|
7176 | state.mode = DISTEXT;
|
7177 |
|
7178 | case DISTEXT:
|
7179 | if (state.extra) {
|
7180 |
|
7181 | n = state.extra;
|
7182 | while (bits < n) {
|
7183 | if (have === 0) { break inf_leave; }
|
7184 | have--;
|
7185 | hold += input[next++] << bits;
|
7186 | bits += 8;
|
7187 | }
|
7188 |
|
7189 | state.offset += hold & ((1 << state.extra) -1);
|
7190 |
|
7191 | hold >>>= state.extra;
|
7192 | bits -= state.extra;
|
7193 |
|
7194 | state.back += state.extra;
|
7195 | }
|
7196 |
|
7197 | if (state.offset > state.dmax) {
|
7198 | strm.msg = 'invalid distance too far back';
|
7199 | state.mode = BAD;
|
7200 | break;
|
7201 | }
|
7202 |
|
7203 |
|
7204 | state.mode = MATCH;
|
7205 |
|
7206 | case MATCH:
|
7207 | if (left === 0) { break inf_leave; }
|
7208 | copy = _out - left;
|
7209 | if (state.offset > copy) {
|
7210 | copy = state.offset - copy;
|
7211 | if (copy > state.whave) {
|
7212 | if (state.sane) {
|
7213 | strm.msg = 'invalid distance too far back';
|
7214 | state.mode = BAD;
|
7215 | break;
|
7216 | }
|
7217 |
|
7218 |
|
7219 |
|
7220 |
|
7221 |
|
7222 |
|
7223 |
|
7224 |
|
7225 |
|
7226 |
|
7227 |
|
7228 |
|
7229 |
|
7230 |
|
7231 |
|
7232 | }
|
7233 | if (copy > state.wnext) {
|
7234 | copy -= state.wnext;
|
7235 | from = state.wsize - copy;
|
7236 | }
|
7237 | else {
|
7238 | from = state.wnext - copy;
|
7239 | }
|
7240 | if (copy > state.length) { copy = state.length; }
|
7241 | from_source = state.window;
|
7242 | }
|
7243 | else {
|
7244 | from_source = output;
|
7245 | from = put - state.offset;
|
7246 | copy = state.length;
|
7247 | }
|
7248 | if (copy > left) { copy = left; }
|
7249 | left -= copy;
|
7250 | state.length -= copy;
|
7251 | do {
|
7252 | output[put++] = from_source[from++];
|
7253 | } while (--copy);
|
7254 | if (state.length === 0) { state.mode = LEN; }
|
7255 | break;
|
7256 | case LIT:
|
7257 | if (left === 0) { break inf_leave; }
|
7258 | output[put++] = state.length;
|
7259 | left--;
|
7260 | state.mode = LEN;
|
7261 | break;
|
7262 | case CHECK:
|
7263 | if (state.wrap) {
|
7264 |
|
7265 | while (bits < 32) {
|
7266 | if (have === 0) { break inf_leave; }
|
7267 | have--;
|
7268 |
|
7269 | hold |= input[next++] << bits;
|
7270 | bits += 8;
|
7271 | }
|
7272 |
|
7273 | _out -= left;
|
7274 | strm.total_out += _out;
|
7275 | state.total += _out;
|
7276 | if (_out) {
|
7277 | strm.adler = state.check =
|
7278 |
|
7279 | (state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out));
|
7280 |
|
7281 | }
|
7282 | _out = left;
|
7283 |
|
7284 | if ((state.flags ? hold : ZSWAP32(hold)) !== state.check) {
|
7285 | strm.msg = 'incorrect data check';
|
7286 | state.mode = BAD;
|
7287 | break;
|
7288 | }
|
7289 |
|
7290 | hold = 0;
|
7291 | bits = 0;
|
7292 |
|
7293 |
|
7294 | }
|
7295 | state.mode = LENGTH;
|
7296 |
|
7297 | case LENGTH:
|
7298 | if (state.wrap && state.flags) {
|
7299 |
|
7300 | while (bits < 32) {
|
7301 | if (have === 0) { break inf_leave; }
|
7302 | have--;
|
7303 | hold += input[next++] << bits;
|
7304 | bits += 8;
|
7305 | }
|
7306 |
|
7307 | if (hold !== (state.total & 0xffffffff)) {
|
7308 | strm.msg = 'incorrect length check';
|
7309 | state.mode = BAD;
|
7310 | break;
|
7311 | }
|
7312 |
|
7313 | hold = 0;
|
7314 | bits = 0;
|
7315 |
|
7316 |
|
7317 | }
|
7318 | state.mode = DONE;
|
7319 |
|
7320 | case DONE:
|
7321 | ret = Z_STREAM_END;
|
7322 | break inf_leave;
|
7323 | case BAD:
|
7324 | ret = Z_DATA_ERROR;
|
7325 | break inf_leave;
|
7326 | case MEM:
|
7327 | return Z_MEM_ERROR;
|
7328 | case SYNC:
|
7329 |
|
7330 | default:
|
7331 | return Z_STREAM_ERROR;
|
7332 | }
|
7333 | }
|
7334 |
|
7335 |
|
7336 |
|
7337 | |
7338 |
|
7339 |
|
7340 |
|
7341 |
|
7342 |
|
7343 |
|
7344 |
|
7345 | strm.next_out = put;
|
7346 | strm.avail_out = left;
|
7347 | strm.next_in = next;
|
7348 | strm.avail_in = have;
|
7349 | state.hold = hold;
|
7350 | state.bits = bits;
|
7351 |
|
7352 |
|
7353 | if (state.wsize || (_out !== strm.avail_out && state.mode < BAD &&
|
7354 | (state.mode < CHECK || flush !== Z_FINISH))) {
|
7355 | if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) {
|
7356 | state.mode = MEM;
|
7357 | return Z_MEM_ERROR;
|
7358 | }
|
7359 | }
|
7360 | _in -= strm.avail_in;
|
7361 | _out -= strm.avail_out;
|
7362 | strm.total_in += _in;
|
7363 | strm.total_out += _out;
|
7364 | state.total += _out;
|
7365 | if (state.wrap && _out) {
|
7366 | strm.adler = state.check =
|
7367 | (state.flags ? crc32(state.check, output, _out, strm.next_out - _out) : adler32(state.check, output, _out, strm.next_out - _out));
|
7368 | }
|
7369 | strm.data_type = state.bits + (state.last ? 64 : 0) +
|
7370 | (state.mode === TYPE ? 128 : 0) +
|
7371 | (state.mode === LEN_ || state.mode === COPY_ ? 256 : 0);
|
7372 | if (((_in === 0 && _out === 0) || flush === Z_FINISH) && ret === Z_OK) {
|
7373 | ret = Z_BUF_ERROR;
|
7374 | }
|
7375 | return ret;
|
7376 | }
|
7377 |
|
7378 | function inflateEnd(strm) {
|
7379 |
|
7380 | if (!strm || !strm.state ) {
|
7381 | return Z_STREAM_ERROR;
|
7382 | }
|
7383 |
|
7384 | var state = strm.state;
|
7385 | if (state.window) {
|
7386 | state.window = null;
|
7387 | }
|
7388 | strm.state = null;
|
7389 | return Z_OK;
|
7390 | }
|
7391 |
|
7392 | function inflateGetHeader(strm, head) {
|
7393 | var state;
|
7394 |
|
7395 |
|
7396 | if (!strm || !strm.state) { return Z_STREAM_ERROR; }
|
7397 | state = strm.state;
|
7398 | if ((state.wrap & 2) === 0) { return Z_STREAM_ERROR; }
|
7399 |
|
7400 |
|
7401 | state.head = head;
|
7402 | head.done = false;
|
7403 | return Z_OK;
|
7404 | }
|
7405 |
|
7406 |
|
7407 | exports.inflateReset = inflateReset;
|
7408 | exports.inflateReset2 = inflateReset2;
|
7409 | exports.inflateResetKeep = inflateResetKeep;
|
7410 | exports.inflateInit = inflateInit;
|
7411 | exports.inflateInit2 = inflateInit2;
|
7412 | exports.inflate = inflate;
|
7413 | exports.inflateEnd = inflateEnd;
|
7414 | exports.inflateGetHeader = inflateGetHeader;
|
7415 | exports.inflateInfo = 'pako inflate (from Nodeca project)';
|
7416 |
|
7417 |
|
7418 |
|
7419 |
|
7420 |
|
7421 |
|
7422 |
|
7423 |
|
7424 |
|
7425 |
|
7426 |
|
7427 | },{"../utils/common":27,"./adler32":29,"./crc32":31,"./inffast":34,"./inftrees":36}],36:[function(_dereq_,module,exports){
|
7428 | 'use strict';
|
7429 |
|
7430 |
|
7431 | var utils = _dereq_('../utils/common');
|
7432 |
|
7433 | var MAXBITS = 15;
|
7434 | var ENOUGH_LENS = 852;
|
7435 | var ENOUGH_DISTS = 592;
|
7436 |
|
7437 |
|
7438 | var CODES = 0;
|
7439 | var LENS = 1;
|
7440 | var DISTS = 2;
|
7441 |
|
7442 | var lbase = [
|
7443 | 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
|
7444 | 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
|
7445 | ];
|
7446 |
|
7447 | var lext = [
|
7448 | 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
|
7449 | 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78
|
7450 | ];
|
7451 |
|
7452 | var dbase = [
|
7453 | 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
|
7454 | 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
|
7455 | 8193, 12289, 16385, 24577, 0, 0
|
7456 | ];
|
7457 |
|
7458 | var dext = [
|
7459 | 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
|
7460 | 23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
|
7461 | 28, 28, 29, 29, 64, 64
|
7462 | ];
|
7463 |
|
7464 | module.exports = function inflate_table(type, lens, lens_index, codes, table, table_index, work, opts)
|
7465 | {
|
7466 | var bits = opts.bits;
|
7467 |
|
7468 |
|
7469 | var len = 0;
|
7470 | var sym = 0;
|
7471 | var min = 0, max = 0;
|
7472 | var root = 0;
|
7473 | var curr = 0;
|
7474 | var drop = 0;
|
7475 | var left = 0;
|
7476 | var used = 0;
|
7477 | var huff = 0;
|
7478 | var incr;
|
7479 | var fill;
|
7480 | var low;
|
7481 | var mask;
|
7482 | var next;
|
7483 | var base = null;
|
7484 | var base_index = 0;
|
7485 |
|
7486 | var end;
|
7487 | var count = new utils.Buf16(MAXBITS+1);
|
7488 | var offs = new utils.Buf16(MAXBITS+1);
|
7489 | var extra = null;
|
7490 | var extra_index = 0;
|
7491 |
|
7492 | var here_bits, here_op, here_val;
|
7493 |
|
7494 | |
7495 |
|
7496 |
|
7497 |
|
7498 |
|
7499 |
|
7500 |
|
7501 |
|
7502 |
|
7503 |
|
7504 |
|
7505 |
|
7506 |
|
7507 |
|
7508 |
|
7509 |
|
7510 |
|
7511 |
|
7512 |
|
7513 |
|
7514 |
|
7515 |
|
7516 |
|
7517 |
|
7518 |
|
7519 |
|
7520 |
|
7521 |
|
7522 |
|
7523 |
|
7524 |
|
7525 |
|
7526 | for (len = 0; len <= MAXBITS; len++) {
|
7527 | count[len] = 0;
|
7528 | }
|
7529 | for (sym = 0; sym < codes; sym++) {
|
7530 | count[lens[lens_index + sym]]++;
|
7531 | }
|
7532 |
|
7533 |
|
7534 | root = bits;
|
7535 | for (max = MAXBITS; max >= 1; max--) {
|
7536 | if (count[max] !== 0) { break; }
|
7537 | }
|
7538 | if (root > max) {
|
7539 | root = max;
|
7540 | }
|
7541 | if (max === 0) {
|
7542 |
|
7543 |
|
7544 |
|
7545 | table[table_index++] = (1 << 24) | (64 << 16) | 0;
|
7546 |
|
7547 |
|
7548 |
|
7549 |
|
7550 |
|
7551 | table[table_index++] = (1 << 24) | (64 << 16) | 0;
|
7552 |
|
7553 | opts.bits = 1;
|
7554 | return 0;
|
7555 | }
|
7556 | for (min = 1; min < max; min++) {
|
7557 | if (count[min] !== 0) { break; }
|
7558 | }
|
7559 | if (root < min) {
|
7560 | root = min;
|
7561 | }
|
7562 |
|
7563 |
|
7564 | left = 1;
|
7565 | for (len = 1; len <= MAXBITS; len++) {
|
7566 | left <<= 1;
|
7567 | left -= count[len];
|
7568 | if (left < 0) {
|
7569 | return -1;
|
7570 | }
|
7571 | }
|
7572 | if (left > 0 && (type === CODES || max !== 1)) {
|
7573 | return -1;
|
7574 | }
|
7575 |
|
7576 |
|
7577 | offs[1] = 0;
|
7578 | for (len = 1; len < MAXBITS; len++) {
|
7579 | offs[len + 1] = offs[len] + count[len];
|
7580 | }
|
7581 |
|
7582 |
|
7583 | for (sym = 0; sym < codes; sym++) {
|
7584 | if (lens[lens_index + sym] !== 0) {
|
7585 | work[offs[lens[lens_index + sym]]++] = sym;
|
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 |
|
7612 |
|
7613 |
|
7614 |
|
7615 |
|
7616 |
|
7617 |
|
7618 |
|
7619 |
|
7620 |
|
7621 |
|
7622 |
|
7623 | if (type === CODES) {
|
7624 | base = extra = work;
|
7625 | end = 19;
|
7626 | } else if (type === LENS) {
|
7627 | base = lbase;
|
7628 | base_index -= 257;
|
7629 | extra = lext;
|
7630 | extra_index -= 257;
|
7631 | end = 256;
|
7632 | } else {
|
7633 | base = dbase;
|
7634 | extra = dext;
|
7635 | end = -1;
|
7636 | }
|
7637 |
|
7638 |
|
7639 | huff = 0;
|
7640 | sym = 0;
|
7641 | len = min;
|
7642 | next = table_index;
|
7643 | curr = root;
|
7644 | drop = 0;
|
7645 | low = -1;
|
7646 | used = 1 << root;
|
7647 | mask = used - 1;
|
7648 |
|
7649 |
|
7650 | if ((type === LENS && used > ENOUGH_LENS) ||
|
7651 | (type === DISTS && used > ENOUGH_DISTS)) {
|
7652 | return 1;
|
7653 | }
|
7654 |
|
7655 | var i=0;
|
7656 |
|
7657 | for (;;) {
|
7658 | i++;
|
7659 |
|
7660 | here_bits = len - drop;
|
7661 | if (work[sym] < end) {
|
7662 | here_op = 0;
|
7663 | here_val = work[sym];
|
7664 | }
|
7665 | else if (work[sym] > end) {
|
7666 | here_op = extra[extra_index + work[sym]];
|
7667 | here_val = base[base_index + work[sym]];
|
7668 | }
|
7669 | else {
|
7670 | here_op = 32 + 64;
|
7671 | here_val = 0;
|
7672 | }
|
7673 |
|
7674 |
|
7675 | incr = 1 << (len - drop);
|
7676 | fill = 1 << curr;
|
7677 | min = fill;
|
7678 | do {
|
7679 | fill -= incr;
|
7680 | table[next + (huff >> drop) + fill] = (here_bits << 24) | (here_op << 16) | here_val |0;
|
7681 | } while (fill !== 0);
|
7682 |
|
7683 |
|
7684 | incr = 1 << (len - 1);
|
7685 | while (huff & incr) {
|
7686 | incr >>= 1;
|
7687 | }
|
7688 | if (incr !== 0) {
|
7689 | huff &= incr - 1;
|
7690 | huff += incr;
|
7691 | } else {
|
7692 | huff = 0;
|
7693 | }
|
7694 |
|
7695 |
|
7696 | sym++;
|
7697 | if (--count[len] === 0) {
|
7698 | if (len === max) { break; }
|
7699 | len = lens[lens_index + work[sym]];
|
7700 | }
|
7701 |
|
7702 |
|
7703 | if (len > root && (huff & mask) !== low) {
|
7704 |
|
7705 | if (drop === 0) {
|
7706 | drop = root;
|
7707 | }
|
7708 |
|
7709 |
|
7710 | next += min;
|
7711 |
|
7712 |
|
7713 | curr = len - drop;
|
7714 | left = 1 << curr;
|
7715 | while (curr + drop < max) {
|
7716 | left -= count[curr + drop];
|
7717 | if (left <= 0) { break; }
|
7718 | curr++;
|
7719 | left <<= 1;
|
7720 | }
|
7721 |
|
7722 |
|
7723 | used += 1 << curr;
|
7724 | if ((type === LENS && used > ENOUGH_LENS) ||
|
7725 | (type === DISTS && used > ENOUGH_DISTS)) {
|
7726 | return 1;
|
7727 | }
|
7728 |
|
7729 |
|
7730 | low = huff & mask;
|
7731 | |
7732 |
|
7733 |
|
7734 | table[low] = (root << 24) | (curr << 16) | (next - table_index) |0;
|
7735 | }
|
7736 | }
|
7737 |
|
7738 | |
7739 |
|
7740 |
|
7741 | if (huff !== 0) {
|
7742 |
|
7743 |
|
7744 |
|
7745 | table[next + huff] = ((len - drop) << 24) | (64 << 16) |0;
|
7746 | }
|
7747 |
|
7748 |
|
7749 |
|
7750 | opts.bits = root;
|
7751 | return 0;
|
7752 | };
|
7753 |
|
7754 | },{"../utils/common":27}],37:[function(_dereq_,module,exports){
|
7755 | 'use strict';
|
7756 |
|
7757 | module.exports = {
|
7758 | '2': 'need dictionary',
|
7759 | '1': 'stream end',
|
7760 | '0': '',
|
7761 | '-1': 'file error',
|
7762 | '-2': 'stream error',
|
7763 | '-3': 'data error',
|
7764 | '-4': 'insufficient memory',
|
7765 | '-5': 'buffer error',
|
7766 | '-6': 'incompatible version'
|
7767 | };
|
7768 | },{}],38:[function(_dereq_,module,exports){
|
7769 | 'use strict';
|
7770 |
|
7771 |
|
7772 | var utils = _dereq_('../utils/common');
|
7773 |
|
7774 |
|
7775 |
|
7776 |
|
7777 |
|
7778 |
|
7779 |
|
7780 |
|
7781 | var Z_FIXED = 4;
|
7782 |
|
7783 |
|
7784 |
|
7785 | var Z_BINARY = 0;
|
7786 | var Z_TEXT = 1;
|
7787 |
|
7788 | var Z_UNKNOWN = 2;
|
7789 |
|
7790 |
|
7791 |
|
7792 |
|
7793 | function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
|
7794 |
|
7795 |
|
7796 |
|
7797 | var STORED_BLOCK = 0;
|
7798 | var STATIC_TREES = 1;
|
7799 | var DYN_TREES = 2;
|
7800 |
|
7801 |
|
7802 | var MIN_MATCH = 3;
|
7803 | var MAX_MATCH = 258;
|
7804 |
|
7805 |
|
7806 |
|
7807 |
|
7808 |
|
7809 |
|
7810 |
|
7811 | var LENGTH_CODES = 29;
|
7812 |
|
7813 |
|
7814 | var LITERALS = 256;
|
7815 |
|
7816 |
|
7817 | var L_CODES = LITERALS + 1 + LENGTH_CODES;
|
7818 |
|
7819 |
|
7820 | var D_CODES = 30;
|
7821 |
|
7822 |
|
7823 | var BL_CODES = 19;
|
7824 |
|
7825 |
|
7826 | var HEAP_SIZE = 2*L_CODES + 1;
|
7827 |
|
7828 |
|
7829 | var MAX_BITS = 15;
|
7830 |
|
7831 |
|
7832 | var Buf_size = 16;
|
7833 |
|
7834 |
|
7835 |
|
7836 |
|
7837 |
|
7838 |
|
7839 |
|
7840 | var MAX_BL_BITS = 7;
|
7841 |
|
7842 |
|
7843 | var END_BLOCK = 256;
|
7844 |
|
7845 |
|
7846 | var REP_3_6 = 16;
|
7847 |
|
7848 |
|
7849 | var REPZ_3_10 = 17;
|
7850 |
|
7851 |
|
7852 | var REPZ_11_138 = 18;
|
7853 |
|
7854 |
|
7855 | var extra_lbits =
|
7856 | [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];
|
7857 |
|
7858 | var extra_dbits =
|
7859 | [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];
|
7860 |
|
7861 | var extra_blbits =
|
7862 | [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];
|
7863 |
|
7864 | var bl_order =
|
7865 | [16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];
|
7866 |
|
7867 |
|
7868 |
|
7869 |
|
7870 |
|
7871 |
|
7872 |
|
7873 |
|
7874 |
|
7875 |
|
7876 | var DIST_CODE_LEN = 512;
|
7877 |
|
7878 |
|
7879 | var static_ltree = new Array((L_CODES+2) * 2);
|
7880 | zero(static_ltree);
|
7881 |
|
7882 |
|
7883 |
|
7884 |
|
7885 |
|
7886 |
|
7887 | var static_dtree = new Array(D_CODES * 2);
|
7888 | zero(static_dtree);
|
7889 |
|
7890 |
|
7891 |
|
7892 |
|
7893 | var _dist_code = new Array(DIST_CODE_LEN);
|
7894 | zero(_dist_code);
|
7895 |
|
7896 |
|
7897 |
|
7898 |
|
7899 |
|
7900 | var _length_code = new Array(MAX_MATCH-MIN_MATCH+1);
|
7901 | zero(_length_code);
|
7902 |
|
7903 |
|
7904 | var base_length = new Array(LENGTH_CODES);
|
7905 | zero(base_length);
|
7906 |
|
7907 |
|
7908 | var base_dist = new Array(D_CODES);
|
7909 | zero(base_dist);
|
7910 |
|
7911 |
|
7912 |
|
7913 | var StaticTreeDesc = function (static_tree, extra_bits, extra_base, elems, max_length) {
|
7914 |
|
7915 | this.static_tree = static_tree;
|
7916 | this.extra_bits = extra_bits;
|
7917 | this.extra_base = extra_base;
|
7918 | this.elems = elems;
|
7919 | this.max_length = max_length;
|
7920 |
|
7921 |
|
7922 | this.has_stree = static_tree && static_tree.length;
|
7923 | };
|
7924 |
|
7925 |
|
7926 | var static_l_desc;
|
7927 | var static_d_desc;
|
7928 | var static_bl_desc;
|
7929 |
|
7930 |
|
7931 | var TreeDesc = function(dyn_tree, stat_desc) {
|
7932 | this.dyn_tree = dyn_tree;
|
7933 | this.max_code = 0;
|
7934 | this.stat_desc = stat_desc;
|
7935 | };
|
7936 |
|
7937 |
|
7938 |
|
7939 | function d_code(dist) {
|
7940 | return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)];
|
7941 | }
|
7942 |
|
7943 |
|
7944 |
|
7945 |
|
7946 |
|
7947 |
|
7948 | function put_short (s, w) {
|
7949 |
|
7950 |
|
7951 | s.pending_buf[s.pending++] = (w) & 0xff;
|
7952 | s.pending_buf[s.pending++] = (w >>> 8) & 0xff;
|
7953 | }
|
7954 |
|
7955 |
|
7956 |
|
7957 |
|
7958 |
|
7959 |
|
7960 | function send_bits(s, value, length) {
|
7961 | if (s.bi_valid > (Buf_size - length)) {
|
7962 | s.bi_buf |= (value << s.bi_valid) & 0xffff;
|
7963 | put_short(s, s.bi_buf);
|
7964 | s.bi_buf = value >> (Buf_size - s.bi_valid);
|
7965 | s.bi_valid += length - Buf_size;
|
7966 | } else {
|
7967 | s.bi_buf |= (value << s.bi_valid) & 0xffff;
|
7968 | s.bi_valid += length;
|
7969 | }
|
7970 | }
|
7971 |
|
7972 |
|
7973 | function send_code(s, c, tree) {
|
7974 | send_bits(s, tree[c*2], tree[c*2 + 1]);
|
7975 | }
|
7976 |
|
7977 |
|
7978 |
|
7979 |
|
7980 |
|
7981 |
|
7982 |
|
7983 | function bi_reverse(code, len) {
|
7984 | var res = 0;
|
7985 | do {
|
7986 | res |= code & 1;
|
7987 | code >>>= 1;
|
7988 | res <<= 1;
|
7989 | } while (--len > 0);
|
7990 | return res >>> 1;
|
7991 | }
|
7992 |
|
7993 |
|
7994 |
|
7995 |
|
7996 |
|
7997 | function bi_flush(s) {
|
7998 | if (s.bi_valid === 16) {
|
7999 | put_short(s, s.bi_buf);
|
8000 | s.bi_buf = 0;
|
8001 | s.bi_valid = 0;
|
8002 |
|
8003 | } else if (s.bi_valid >= 8) {
|
8004 | s.pending_buf[s.pending++] = s.bi_buf & 0xff;
|
8005 | s.bi_buf >>= 8;
|
8006 | s.bi_valid -= 8;
|
8007 | }
|
8008 | }
|
8009 |
|
8010 |
|
8011 |
|
8012 |
|
8013 |
|
8014 |
|
8015 |
|
8016 |
|
8017 |
|
8018 |
|
8019 |
|
8020 |
|
8021 | function gen_bitlen(s, desc)
|
8022 | // deflate_state *s;
|
8023 | // tree_desc *desc; /* the tree descriptor */
|
8024 | {
|
8025 | var tree = desc.dyn_tree;
|
8026 | var max_code = desc.max_code;
|
8027 | var stree = desc.stat_desc.static_tree;
|
8028 | var has_stree = desc.stat_desc.has_stree;
|
8029 | var extra = desc.stat_desc.extra_bits;
|
8030 | var base = desc.stat_desc.extra_base;
|
8031 | var max_length = desc.stat_desc.max_length;
|
8032 | var h;
|
8033 | var n, m;
|
8034 | var bits;
|
8035 | var xbits;
|
8036 | var f;
|
8037 | var overflow = 0;
|
8038 |
|
8039 | for (bits = 0; bits <= MAX_BITS; bits++) {
|
8040 | s.bl_count[bits] = 0;
|
8041 | }
|
8042 |
|
8043 | |
8044 |
|
8045 |
|
8046 | tree[s.heap[s.heap_max]*2 + 1] = 0;
|
8047 |
|
8048 | for (h = s.heap_max+1; h < HEAP_SIZE; h++) {
|
8049 | n = s.heap[h];
|
8050 | bits = tree[tree[n*2 +1] * 2 + 1] + 1;
|
8051 | if (bits > max_length) {
|
8052 | bits = max_length;
|
8053 | overflow++;
|
8054 | }
|
8055 | tree[n*2 + 1] = bits;
|
8056 |
|
8057 |
|
8058 | if (n > max_code) { continue; }
|
8059 |
|
8060 | s.bl_count[bits]++;
|
8061 | xbits = 0;
|
8062 | if (n >= base) {
|
8063 | xbits = extra[n-base];
|
8064 | }
|
8065 | f = tree[n * 2];
|
8066 | s.opt_len += f * (bits + xbits);
|
8067 | if (has_stree) {
|
8068 | s.static_len += f * (stree[n*2 + 1] + xbits);
|
8069 | }
|
8070 | }
|
8071 | if (overflow === 0) { return; }
|
8072 |
|
8073 |
|
8074 |
|
8075 |
|
8076 |
|
8077 | do {
|
8078 | bits = max_length-1;
|
8079 | while (s.bl_count[bits] === 0) { bits--; }
|
8080 | s.bl_count[bits]--;
|
8081 | s.bl_count[bits+1] += 2;
|
8082 | s.bl_count[max_length]--;
|
8083 | |
8084 |
|
8085 |
|
8086 | overflow -= 2;
|
8087 | } while (overflow > 0);
|
8088 |
|
8089 | |
8090 |
|
8091 |
|
8092 |
|
8093 |
|
8094 | for (bits = max_length; bits !== 0; bits--) {
|
8095 | n = s.bl_count[bits];
|
8096 | while (n !== 0) {
|
8097 | m = s.heap[--h];
|
8098 | if (m > max_code) { continue; }
|
8099 | if (tree[m*2 + 1] !== bits) {
|
8100 |
|
8101 | s.opt_len += (bits - tree[m*2 + 1])*tree[m*2];
|
8102 | tree[m*2 + 1] = bits;
|
8103 | }
|
8104 | n--;
|
8105 | }
|
8106 | }
|
8107 | }
|
8108 |
|
8109 |
|
8110 |
|
8111 |
|
8112 |
|
8113 |
|
8114 |
|
8115 |
|
8116 |
|
8117 |
|
8118 | function gen_codes(tree, max_code, bl_count)
|
8119 | // ct_data *tree; /* the tree to decorate */
|
8120 | // int max_code; /* largest code with non zero frequency */
|
8121 | // ushf *bl_count; /* number of codes at each bit length */
|
8122 | {
|
8123 | var next_code = new Array(MAX_BITS+1);
|
8124 | var code = 0;
|
8125 | var bits;
|
8126 | var n;
|
8127 |
|
8128 | |
8129 |
|
8130 |
|
8131 | for (bits = 1; bits <= MAX_BITS; bits++) {
|
8132 | next_code[bits] = code = (code + bl_count[bits-1]) << 1;
|
8133 | }
|
8134 | |
8135 |
|
8136 |
|
8137 |
|
8138 |
|
8139 |
|
8140 |
|
8141 | for (n = 0; n <= max_code; n++) {
|
8142 | var len = tree[n*2 + 1];
|
8143 | if (len === 0) { continue; }
|
8144 |
|
8145 | tree[n*2] = bi_reverse(next_code[len]++, len);
|
8146 |
|
8147 |
|
8148 |
|
8149 | }
|
8150 | }
|
8151 |
|
8152 |
|
8153 |
|
8154 |
|
8155 |
|
8156 | function tr_static_init() {
|
8157 | var n;
|
8158 | var bits;
|
8159 | var length;
|
8160 | var code;
|
8161 | var dist;
|
8162 | var bl_count = new Array(MAX_BITS+1);
|
8163 |
|
8164 |
|
8165 |
|
8166 |
|
8167 |
|
8168 |
|
8169 |
|
8170 |
|
8171 |
|
8172 |
|
8173 |
|
8174 |
|
8175 |
|
8176 |
|
8177 |
|
8178 | length = 0;
|
8179 | for (code = 0; code < LENGTH_CODES-1; code++) {
|
8180 | base_length[code] = length;
|
8181 | for (n = 0; n < (1<<extra_lbits[code]); n++) {
|
8182 | _length_code[length++] = code;
|
8183 | }
|
8184 | }
|
8185 |
|
8186 | |
8187 |
|
8188 |
|
8189 |
|
8190 | _length_code[length-1] = code;
|
8191 |
|
8192 |
|
8193 | dist = 0;
|
8194 | for (code = 0 ; code < 16; code++) {
|
8195 | base_dist[code] = dist;
|
8196 | for (n = 0; n < (1<<extra_dbits[code]); n++) {
|
8197 | _dist_code[dist++] = code;
|
8198 | }
|
8199 | }
|
8200 |
|
8201 | dist >>= 7;
|
8202 | for ( ; code < D_CODES; code++) {
|
8203 | base_dist[code] = dist << 7;
|
8204 | for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) {
|
8205 | _dist_code[256 + dist++] = code;
|
8206 | }
|
8207 | }
|
8208 |
|
8209 |
|
8210 |
|
8211 | for (bits = 0; bits <= MAX_BITS; bits++) {
|
8212 | bl_count[bits] = 0;
|
8213 | }
|
8214 |
|
8215 | n = 0;
|
8216 | while (n <= 143) {
|
8217 | static_ltree[n*2 + 1] = 8;
|
8218 | n++;
|
8219 | bl_count[8]++;
|
8220 | }
|
8221 | while (n <= 255) {
|
8222 | static_ltree[n*2 + 1] = 9;
|
8223 | n++;
|
8224 | bl_count[9]++;
|
8225 | }
|
8226 | while (n <= 279) {
|
8227 | static_ltree[n*2 + 1] = 7;
|
8228 | n++;
|
8229 | bl_count[7]++;
|
8230 | }
|
8231 | while (n <= 287) {
|
8232 | static_ltree[n*2 + 1] = 8;
|
8233 | n++;
|
8234 | bl_count[8]++;
|
8235 | }
|
8236 | |
8237 |
|
8238 |
|
8239 |
|
8240 | gen_codes(static_ltree, L_CODES+1, bl_count);
|
8241 |
|
8242 |
|
8243 | for (n = 0; n < D_CODES; n++) {
|
8244 | static_dtree[n*2 + 1] = 5;
|
8245 | static_dtree[n*2] = bi_reverse(n, 5);
|
8246 | }
|
8247 |
|
8248 |
|
8249 | static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS);
|
8250 | static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0, D_CODES, MAX_BITS);
|
8251 | static_bl_desc =new StaticTreeDesc(new Array(0), extra_blbits, 0, BL_CODES, MAX_BL_BITS);
|
8252 |
|
8253 |
|
8254 | }
|
8255 |
|
8256 |
|
8257 |
|
8258 |
|
8259 |
|
8260 | function init_block(s) {
|
8261 | var n;
|
8262 |
|
8263 |
|
8264 | for (n = 0; n < L_CODES; n++) { s.dyn_ltree[n*2] = 0; }
|
8265 | for (n = 0; n < D_CODES; n++) { s.dyn_dtree[n*2] = 0; }
|
8266 | for (n = 0; n < BL_CODES; n++) { s.bl_tree[n*2] = 0; }
|
8267 |
|
8268 | s.dyn_ltree[END_BLOCK*2] = 1;
|
8269 | s.opt_len = s.static_len = 0;
|
8270 | s.last_lit = s.matches = 0;
|
8271 | }
|
8272 |
|
8273 |
|
8274 |
|
8275 |
|
8276 |
|
8277 | function bi_windup(s)
|
8278 | {
|
8279 | if (s.bi_valid > 8) {
|
8280 | put_short(s, s.bi_buf);
|
8281 | } else if (s.bi_valid > 0) {
|
8282 |
|
8283 | s.pending_buf[s.pending++] = s.bi_buf;
|
8284 | }
|
8285 | s.bi_buf = 0;
|
8286 | s.bi_valid = 0;
|
8287 | }
|
8288 |
|
8289 |
|
8290 |
|
8291 |
|
8292 |
|
8293 | function copy_block(s, buf, len, header)
|
8294 | //DeflateState *s;
|
8295 | //charf *buf; /* the input data */
|
8296 | //unsigned len; /* its length */
|
8297 | //int header; /* true if block header must be written */
|
8298 | {
|
8299 | bi_windup(s);
|
8300 |
|
8301 | if (header) {
|
8302 | put_short(s, len);
|
8303 | put_short(s, ~len);
|
8304 | }
|
8305 |
|
8306 |
|
8307 |
|
8308 | utils.arraySet(s.pending_buf, s.window, buf, len, s.pending);
|
8309 | s.pending += len;
|
8310 | }
|
8311 |
|
8312 |
|
8313 |
|
8314 |
|
8315 |
|
8316 | function smaller(tree, n, m, depth) {
|
8317 | var _n2 = n*2;
|
8318 | var _m2 = m*2;
|
8319 | return (tree[_n2] < tree[_m2] ||
|
8320 | (tree[_n2] === tree[_m2] && depth[n] <= depth[m]));
|
8321 | }
|
8322 |
|
8323 |
|
8324 |
|
8325 |
|
8326 |
|
8327 |
|
8328 |
|
8329 | function pqdownheap(s, tree, k)
|
8330 | // deflate_state *s;
|
8331 | // ct_data *tree; /* the tree to restore */
|
8332 | // int k; /* node to move down */
|
8333 | {
|
8334 | var v = s.heap[k];
|
8335 | var j = k << 1;
|
8336 | while (j <= s.heap_len) {
|
8337 |
|
8338 | if (j < s.heap_len &&
|
8339 | smaller(tree, s.heap[j+1], s.heap[j], s.depth)) {
|
8340 | j++;
|
8341 | }
|
8342 |
|
8343 | if (smaller(tree, v, s.heap[j], s.depth)) { break; }
|
8344 |
|
8345 |
|
8346 | s.heap[k] = s.heap[j];
|
8347 | k = j;
|
8348 |
|
8349 |
|
8350 | j <<= 1;
|
8351 | }
|
8352 | s.heap[k] = v;
|
8353 | }
|
8354 |
|
8355 |
|
8356 |
|
8357 |
|
8358 |
|
8359 |
|
8360 |
|
8361 |
|
8362 | function compress_block(s, ltree, dtree)
|
8363 | // deflate_state *s;
|
8364 | // const ct_data *ltree; /* literal tree */
|
8365 | // const ct_data *dtree; /* distance tree */
|
8366 | {
|
8367 | var dist;
|
8368 | var lc;
|
8369 | var lx = 0;
|
8370 | var code;
|
8371 | var extra;
|
8372 |
|
8373 | if (s.last_lit !== 0) {
|
8374 | do {
|
8375 | dist = (s.pending_buf[s.d_buf + lx*2] << 8) | (s.pending_buf[s.d_buf + lx*2 + 1]);
|
8376 | lc = s.pending_buf[s.l_buf + lx];
|
8377 | lx++;
|
8378 |
|
8379 | if (dist === 0) {
|
8380 | send_code(s, lc, ltree);
|
8381 |
|
8382 | } else {
|
8383 |
|
8384 | code = _length_code[lc];
|
8385 | send_code(s, code+LITERALS+1, ltree);
|
8386 | extra = extra_lbits[code];
|
8387 | if (extra !== 0) {
|
8388 | lc -= base_length[code];
|
8389 | send_bits(s, lc, extra);
|
8390 | }
|
8391 | dist--;
|
8392 | code = d_code(dist);
|
8393 |
|
8394 |
|
8395 | send_code(s, code, dtree);
|
8396 | extra = extra_dbits[code];
|
8397 | if (extra !== 0) {
|
8398 | dist -= base_dist[code];
|
8399 | send_bits(s, dist, extra);
|
8400 | }
|
8401 | }
|
8402 |
|
8403 |
|
8404 |
|
8405 |
|
8406 |
|
8407 | } while (lx < s.last_lit);
|
8408 | }
|
8409 |
|
8410 | send_code(s, END_BLOCK, ltree);
|
8411 | }
|
8412 |
|
8413 |
|
8414 |
|
8415 |
|
8416 |
|
8417 |
|
8418 |
|
8419 |
|
8420 |
|
8421 |
|
8422 | function build_tree(s, desc)
|
8423 | // deflate_state *s;
|
8424 | // tree_desc *desc; /* the tree descriptor */
|
8425 | {
|
8426 | var tree = desc.dyn_tree;
|
8427 | var stree = desc.stat_desc.static_tree;
|
8428 | var has_stree = desc.stat_desc.has_stree;
|
8429 | var elems = desc.stat_desc.elems;
|
8430 | var n, m;
|
8431 | var max_code = -1;
|
8432 | var node;
|
8433 |
|
8434 | |
8435 |
|
8436 |
|
8437 |
|
8438 | s.heap_len = 0;
|
8439 | s.heap_max = HEAP_SIZE;
|
8440 |
|
8441 | for (n = 0; n < elems; n++) {
|
8442 | if (tree[n * 2] !== 0) {
|
8443 | s.heap[++s.heap_len] = max_code = n;
|
8444 | s.depth[n] = 0;
|
8445 |
|
8446 | } else {
|
8447 | tree[n*2 + 1] = 0;
|
8448 | }
|
8449 | }
|
8450 |
|
8451 | |
8452 |
|
8453 |
|
8454 |
|
8455 |
|
8456 | while (s.heap_len < 2) {
|
8457 | node = s.heap[++s.heap_len] = (max_code < 2 ? ++max_code : 0);
|
8458 | tree[node * 2] = 1;
|
8459 | s.depth[node] = 0;
|
8460 | s.opt_len--;
|
8461 |
|
8462 | if (has_stree) {
|
8463 | s.static_len -= stree[node*2 + 1];
|
8464 | }
|
8465 |
|
8466 | }
|
8467 | desc.max_code = max_code;
|
8468 |
|
8469 | |
8470 |
|
8471 |
|
8472 | for (n = (s.heap_len >> 1); n >= 1; n--) { pqdownheap(s, tree, n); }
|
8473 |
|
8474 | |
8475 |
|
8476 |
|
8477 | node = elems;
|
8478 | do {
|
8479 |
|
8480 |
|
8481 | n = s.heap[1];
|
8482 | s.heap[1] = s.heap[s.heap_len--];
|
8483 | pqdownheap(s, tree, 1);
|
8484 |
|
8485 |
|
8486 | m = s.heap[1];
|
8487 |
|
8488 | s.heap[--s.heap_max] = n;
|
8489 | s.heap[--s.heap_max] = m;
|
8490 |
|
8491 |
|
8492 | tree[node * 2] = tree[n * 2] + tree[m * 2];
|
8493 | s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1;
|
8494 | tree[n*2 + 1] = tree[m*2 + 1] = node;
|
8495 |
|
8496 |
|
8497 | s.heap[1] = node++;
|
8498 | pqdownheap(s, tree, 1);
|
8499 |
|
8500 | } while (s.heap_len >= 2);
|
8501 |
|
8502 | s.heap[--s.heap_max] = s.heap[1];
|
8503 |
|
8504 | |
8505 |
|
8506 |
|
8507 | gen_bitlen(s, desc);
|
8508 |
|
8509 |
|
8510 | gen_codes(tree, max_code, s.bl_count);
|
8511 | }
|
8512 |
|
8513 |
|
8514 |
|
8515 |
|
8516 |
|
8517 |
|
8518 | function scan_tree(s, tree, max_code)
|
8519 | // deflate_state *s;
|
8520 | // ct_data *tree; /* the tree to be scanned */
|
8521 | // int max_code; /* and its largest code of non zero frequency */
|
8522 | {
|
8523 | var n;
|
8524 | var prevlen = -1;
|
8525 | var curlen;
|
8526 |
|
8527 | var nextlen = tree[0*2 + 1];
|
8528 |
|
8529 | var count = 0;
|
8530 | var max_count = 7;
|
8531 | var min_count = 4;
|
8532 |
|
8533 | if (nextlen === 0) {
|
8534 | max_count = 138;
|
8535 | min_count = 3;
|
8536 | }
|
8537 | tree[(max_code+1)*2 + 1] = 0xffff;
|
8538 |
|
8539 | for (n = 0; n <= max_code; n++) {
|
8540 | curlen = nextlen;
|
8541 | nextlen = tree[(n+1)*2 + 1];
|
8542 |
|
8543 | if (++count < max_count && curlen === nextlen) {
|
8544 | continue;
|
8545 |
|
8546 | } else if (count < min_count) {
|
8547 | s.bl_tree[curlen * 2] += count;
|
8548 |
|
8549 | } else if (curlen !== 0) {
|
8550 |
|
8551 | if (curlen !== prevlen) { s.bl_tree[curlen * 2]++; }
|
8552 | s.bl_tree[REP_3_6*2]++;
|
8553 |
|
8554 | } else if (count <= 10) {
|
8555 | s.bl_tree[REPZ_3_10*2]++;
|
8556 |
|
8557 | } else {
|
8558 | s.bl_tree[REPZ_11_138*2]++;
|
8559 | }
|
8560 |
|
8561 | count = 0;
|
8562 | prevlen = curlen;
|
8563 |
|
8564 | if (nextlen === 0) {
|
8565 | max_count = 138;
|
8566 | min_count = 3;
|
8567 |
|
8568 | } else if (curlen === nextlen) {
|
8569 | max_count = 6;
|
8570 | min_count = 3;
|
8571 |
|
8572 | } else {
|
8573 | max_count = 7;
|
8574 | min_count = 4;
|
8575 | }
|
8576 | }
|
8577 | }
|
8578 |
|
8579 |
|
8580 |
|
8581 |
|
8582 |
|
8583 |
|
8584 | function send_tree(s, tree, max_code)
|
8585 | // deflate_state *s;
|
8586 | // ct_data *tree; /* the tree to be scanned */
|
8587 | // int max_code; /* and its largest code of non zero frequency */
|
8588 | {
|
8589 | var n;
|
8590 | var prevlen = -1;
|
8591 | var curlen;
|
8592 |
|
8593 | var nextlen = tree[0*2 + 1];
|
8594 |
|
8595 | var count = 0;
|
8596 | var max_count = 7;
|
8597 | var min_count = 4;
|
8598 |
|
8599 |
|
8600 | if (nextlen === 0) {
|
8601 | max_count = 138;
|
8602 | min_count = 3;
|
8603 | }
|
8604 |
|
8605 | for (n = 0; n <= max_code; n++) {
|
8606 | curlen = nextlen;
|
8607 | nextlen = tree[(n+1)*2 + 1];
|
8608 |
|
8609 | if (++count < max_count && curlen === nextlen) {
|
8610 | continue;
|
8611 |
|
8612 | } else if (count < min_count) {
|
8613 | do { send_code(s, curlen, s.bl_tree); } while (--count !== 0);
|
8614 |
|
8615 | } else if (curlen !== 0) {
|
8616 | if (curlen !== prevlen) {
|
8617 | send_code(s, curlen, s.bl_tree);
|
8618 | count--;
|
8619 | }
|
8620 |
|
8621 | send_code(s, REP_3_6, s.bl_tree);
|
8622 | send_bits(s, count-3, 2);
|
8623 |
|
8624 | } else if (count <= 10) {
|
8625 | send_code(s, REPZ_3_10, s.bl_tree);
|
8626 | send_bits(s, count-3, 3);
|
8627 |
|
8628 | } else {
|
8629 | send_code(s, REPZ_11_138, s.bl_tree);
|
8630 | send_bits(s, count-11, 7);
|
8631 | }
|
8632 |
|
8633 | count = 0;
|
8634 | prevlen = curlen;
|
8635 | if (nextlen === 0) {
|
8636 | max_count = 138;
|
8637 | min_count = 3;
|
8638 |
|
8639 | } else if (curlen === nextlen) {
|
8640 | max_count = 6;
|
8641 | min_count = 3;
|
8642 |
|
8643 | } else {
|
8644 | max_count = 7;
|
8645 | min_count = 4;
|
8646 | }
|
8647 | }
|
8648 | }
|
8649 |
|
8650 |
|
8651 |
|
8652 |
|
8653 |
|
8654 |
|
8655 | function build_bl_tree(s) {
|
8656 | var max_blindex;
|
8657 |
|
8658 |
|
8659 | scan_tree(s, s.dyn_ltree, s.l_desc.max_code);
|
8660 | scan_tree(s, s.dyn_dtree, s.d_desc.max_code);
|
8661 |
|
8662 |
|
8663 | build_tree(s, s.bl_desc);
|
8664 | |
8665 |
|
8666 |
|
8667 |
|
8668 | |
8669 |
|
8670 |
|
8671 |
|
8672 | for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) {
|
8673 | if (s.bl_tree[bl_order[max_blindex]*2 + 1] !== 0) {
|
8674 | break;
|
8675 | }
|
8676 | }
|
8677 |
|
8678 | s.opt_len += 3*(max_blindex+1) + 5+5+4;
|
8679 |
|
8680 |
|
8681 |
|
8682 | return max_blindex;
|
8683 | }
|
8684 |
|
8685 |
|
8686 |
|
8687 |
|
8688 |
|
8689 |
|
8690 |
|
8691 | function send_all_trees(s, lcodes, dcodes, blcodes)
|
8692 | // deflate_state *s;
|
8693 | // int lcodes, dcodes, blcodes; /* number of codes for each tree */
|
8694 | {
|
8695 | var rank;
|
8696 |
|
8697 |
|
8698 |
|
8699 |
|
8700 |
|
8701 | send_bits(s, lcodes-257, 5);
|
8702 | send_bits(s, dcodes-1, 5);
|
8703 | send_bits(s, blcodes-4, 4);
|
8704 | for (rank = 0; rank < blcodes; rank++) {
|
8705 |
|
8706 | send_bits(s, s.bl_tree[bl_order[rank]*2 + 1], 3);
|
8707 | }
|
8708 |
|
8709 |
|
8710 | send_tree(s, s.dyn_ltree, lcodes-1);
|
8711 |
|
8712 |
|
8713 | send_tree(s, s.dyn_dtree, dcodes-1);
|
8714 |
|
8715 | }
|
8716 |
|
8717 |
|
8718 |
|
8719 |
|
8720 |
|
8721 |
|
8722 |
|
8723 |
|
8724 |
|
8725 |
|
8726 |
|
8727 |
|
8728 |
|
8729 |
|
8730 |
|
8731 | function detect_data_type(s) {
|
8732 | |
8733 |
|
8734 |
|
8735 |
|
8736 | var black_mask = 0xf3ffc07f;
|
8737 | var n;
|
8738 |
|
8739 |
|
8740 | for (n = 0; n <= 31; n++, black_mask >>>= 1) {
|
8741 | if ((black_mask & 1) && (s.dyn_ltree[n*2] !== 0)) {
|
8742 | return Z_BINARY;
|
8743 | }
|
8744 | }
|
8745 |
|
8746 |
|
8747 | if (s.dyn_ltree[9 * 2] !== 0 || s.dyn_ltree[10 * 2] !== 0 ||
|
8748 | s.dyn_ltree[13 * 2] !== 0) {
|
8749 | return Z_TEXT;
|
8750 | }
|
8751 | for (n = 32; n < LITERALS; n++) {
|
8752 | if (s.dyn_ltree[n * 2] !== 0) {
|
8753 | return Z_TEXT;
|
8754 | }
|
8755 | }
|
8756 |
|
8757 | |
8758 |
|
8759 |
|
8760 | return Z_BINARY;
|
8761 | }
|
8762 |
|
8763 |
|
8764 | var static_init_done = false;
|
8765 |
|
8766 |
|
8767 |
|
8768 |
|
8769 | function _tr_init(s)
|
8770 | {
|
8771 |
|
8772 | if (!static_init_done) {
|
8773 | tr_static_init();
|
8774 | static_init_done = true;
|
8775 | }
|
8776 |
|
8777 | s.l_desc = new TreeDesc(s.dyn_ltree, static_l_desc);
|
8778 | s.d_desc = new TreeDesc(s.dyn_dtree, static_d_desc);
|
8779 | s.bl_desc = new TreeDesc(s.bl_tree, static_bl_desc);
|
8780 |
|
8781 | s.bi_buf = 0;
|
8782 | s.bi_valid = 0;
|
8783 |
|
8784 |
|
8785 | init_block(s);
|
8786 | }
|
8787 |
|
8788 |
|
8789 |
|
8790 |
|
8791 |
|
8792 | function _tr_stored_block(s, buf, stored_len, last)
|
8793 | //DeflateState *s;
|
8794 | //charf *buf; /* input block */
|
8795 | //ulg stored_len; /* length of input block */
|
8796 | //int last; /* one if this is the last block for a file */
|
8797 | {
|
8798 | send_bits(s, (STORED_BLOCK<<1)+(last ? 1 : 0), 3);
|
8799 | copy_block(s, buf, stored_len, true);
|
8800 | }
|
8801 |
|
8802 |
|
8803 |
|
8804 |
|
8805 |
|
8806 |
|
8807 | function _tr_align(s) {
|
8808 | send_bits(s, STATIC_TREES<<1, 3);
|
8809 | send_code(s, END_BLOCK, static_ltree);
|
8810 | bi_flush(s);
|
8811 | }
|
8812 |
|
8813 |
|
8814 |
|
8815 |
|
8816 |
|
8817 |
|
8818 | function _tr_flush_block(s, buf, stored_len, last)
|
8819 | //DeflateState *s;
|
8820 | //charf *buf; /* input block, or NULL if too old */
|
8821 | //ulg stored_len; /* length of input block */
|
8822 | //int last; /* one if this is the last block for a file */
|
8823 | {
|
8824 | var opt_lenb, static_lenb;
|
8825 | var max_blindex = 0;
|
8826 |
|
8827 |
|
8828 | if (s.level > 0) {
|
8829 |
|
8830 |
|
8831 | if (s.strm.data_type === Z_UNKNOWN) {
|
8832 | s.strm.data_type = detect_data_type(s);
|
8833 | }
|
8834 |
|
8835 |
|
8836 | build_tree(s, s.l_desc);
|
8837 |
|
8838 |
|
8839 |
|
8840 | build_tree(s, s.d_desc);
|
8841 |
|
8842 |
|
8843 | |
8844 |
|
8845 |
|
8846 |
|
8847 | |
8848 |
|
8849 |
|
8850 | max_blindex = build_bl_tree(s);
|
8851 |
|
8852 |
|
8853 | opt_lenb = (s.opt_len+3+7) >>> 3;
|
8854 | static_lenb = (s.static_len+3+7) >>> 3;
|
8855 |
|
8856 |
|
8857 |
|
8858 |
|
8859 |
|
8860 | if (static_lenb <= opt_lenb) { opt_lenb = static_lenb; }
|
8861 |
|
8862 | } else {
|
8863 |
|
8864 | opt_lenb = static_lenb = stored_len + 5;
|
8865 | }
|
8866 |
|
8867 | if ((stored_len+4 <= opt_lenb) && (buf !== -1)) {
|
8868 |
|
8869 |
|
8870 | |
8871 |
|
8872 |
|
8873 |
|
8874 |
|
8875 |
|
8876 | _tr_stored_block(s, buf, stored_len, last);
|
8877 |
|
8878 | } else if (s.strategy === Z_FIXED || static_lenb === opt_lenb) {
|
8879 |
|
8880 | send_bits(s, (STATIC_TREES<<1) + (last ? 1 : 0), 3);
|
8881 | compress_block(s, static_ltree, static_dtree);
|
8882 |
|
8883 | } else {
|
8884 | send_bits(s, (DYN_TREES<<1) + (last ? 1 : 0), 3);
|
8885 | send_all_trees(s, s.l_desc.max_code+1, s.d_desc.max_code+1, max_blindex+1);
|
8886 | compress_block(s, s.dyn_ltree, s.dyn_dtree);
|
8887 | }
|
8888 |
|
8889 | |
8890 |
|
8891 |
|
8892 | init_block(s);
|
8893 |
|
8894 | if (last) {
|
8895 | bi_windup(s);
|
8896 | }
|
8897 |
|
8898 |
|
8899 | }
|
8900 |
|
8901 |
|
8902 |
|
8903 |
|
8904 |
|
8905 | function _tr_tally(s, dist, lc)
|
8906 | // deflate_state *s;
|
8907 | // unsigned dist; /* distance of matched string */
|
8908 | // unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
|
8909 | {
|
8910 |
|
8911 |
|
8912 | s.pending_buf[s.d_buf + s.last_lit * 2] = (dist >>> 8) & 0xff;
|
8913 | s.pending_buf[s.d_buf + s.last_lit * 2 + 1] = dist & 0xff;
|
8914 |
|
8915 | s.pending_buf[s.l_buf + s.last_lit] = lc & 0xff;
|
8916 | s.last_lit++;
|
8917 |
|
8918 | if (dist === 0) {
|
8919 |
|
8920 | s.dyn_ltree[lc*2]++;
|
8921 | } else {
|
8922 | s.matches++;
|
8923 |
|
8924 | dist--;
|
8925 |
|
8926 |
|
8927 |
|
8928 |
|
8929 | s.dyn_ltree[(_length_code[lc]+LITERALS+1) * 2]++;
|
8930 | s.dyn_dtree[d_code(dist) * 2]++;
|
8931 | }
|
8932 |
|
8933 |
|
8934 |
|
8935 |
|
8936 |
|
8937 |
|
8938 |
|
8939 |
|
8940 |
|
8941 |
|
8942 |
|
8943 |
|
8944 |
|
8945 |
|
8946 |
|
8947 |
|
8948 |
|
8949 |
|
8950 |
|
8951 |
|
8952 |
|
8953 |
|
8954 |
|
8955 |
|
8956 | return (s.last_lit === s.lit_bufsize-1);
|
8957 | |
8958 |
|
8959 |
|
8960 |
|
8961 | }
|
8962 |
|
8963 | exports._tr_init = _tr_init;
|
8964 | exports._tr_stored_block = _tr_stored_block;
|
8965 | exports._tr_flush_block = _tr_flush_block;
|
8966 | exports._tr_tally = _tr_tally;
|
8967 | exports._tr_align = _tr_align;
|
8968 | },{"../utils/common":27}],39:[function(_dereq_,module,exports){
|
8969 | 'use strict';
|
8970 |
|
8971 |
|
8972 | function ZStream() {
|
8973 |
|
8974 | this.input = null;
|
8975 | this.next_in = 0;
|
8976 |
|
8977 | this.avail_in = 0;
|
8978 |
|
8979 | this.total_in = 0;
|
8980 |
|
8981 | this.output = null;
|
8982 | this.next_out = 0;
|
8983 |
|
8984 | this.avail_out = 0;
|
8985 |
|
8986 | this.total_out = 0;
|
8987 |
|
8988 | this.msg = '';
|
8989 |
|
8990 | this.state = null;
|
8991 |
|
8992 | this.data_type = 2;
|
8993 |
|
8994 | this.adler = 0;
|
8995 | }
|
8996 |
|
8997 | module.exports = ZStream;
|
8998 | },{}]},{},[9])
|
8999 | (9)
|
9000 | }));
|