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Browser version rebuild

master 0.2.0
Vitaly Puzrin 2014-04-18 09:37:25 +04:00
rodzic 1f8a955382
commit e93c614f7a
7 zmienionych plików z 1943 dodań i 805 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

2
bower.json
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@ -1,7 +1,7 @@
{
"name": "pako",
"main": "dist/pako.js",
"version": "0.1.1",
"version": "0.2.0",
"homepage": "https://github.com/nodeca/pako",
"authors": [
"Andrei Tuputcyn <Andrew.Tupitsin@gmail.com>",

1139
dist/pako.js vendored
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Plik diff jest za duży Load Diff

6
dist/pako.min.js vendored
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File diff suppressed because one or more lines are too long

726
dist/pako_deflate.js vendored
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@ -1,9 +1,10 @@
/* pako 0.1.1 nodeca/pako */!function(e){if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.pako=e()}}(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){
/* pako 0.2.0 nodeca/pako */!function(e){if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.pako=e()}}(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){
'use strict';
var zlib_deflate = _dereq_('./zlib/deflate.js');
var utils = _dereq_('./zlib/utils');
var utils = _dereq_('./utils/common');
var strings = _dereq_('./utils/strings');
var msg = _dereq_('./zlib/messages');
var zstream = _dereq_('./zlib/zstream');
@ -82,8 +83,18 @@ var Z_DEFLATED = 8;
* Additional options, for internal needs:
*
* - `chunkSize` - size of generated data chunks (16K by default)
* - `raw` (boolean) - do raw deflate
* - `gzip` (boolean) - create gzip wrapper
* - `raw` (Boolean) - do raw deflate
* - `gzip` (Boolean) - create gzip wrapper
* - `to` (String) - if equal to 'string', then result will be "binary string"
* (each char code [0..255])
* - `header` (Object) - custom header for gzip
* - `text` (Boolean) - true if compressed data believed to be text
* - `time` (Number) - modification time, unix timestamp
* - `os` (Number) - operation system code
* - `extra` (Array) - array of bytes with extra data (max 65536)
* - `name` (String) - file name (binary string)
* - `comment` (String) - comment (binary string)
* - `hcrc` (Boolean) - true if header crc should be added
*
* ##### Example:
*
@ -110,7 +121,8 @@ var Deflate = function(options) {
chunkSize: 16384,
windowBits: 15,
memLevel: 8,
strategy: Z_DEFAULT_STRATEGY
strategy: Z_DEFAULT_STRATEGY,
to: ''
}, options || {});
var opt = this.options;
@ -129,6 +141,7 @@ var Deflate = function(options) {
this.chunks = []; // chunks of compressed data
this.strm = new zstream();
this.strm.avail_out = 0;
var status = zlib_deflate.deflateInit2(
this.strm,
@ -142,11 +155,16 @@ var Deflate = function(options) {
if (status !== Z_OK) {
throw new Error(msg[status]);
}
if (opt.header) {
zlib_deflate.deflateSetHeader(this.strm, opt.header);
}
};
/**
* Deflate#push(data[, mode]) -> Boolean
* - data (Uint8Array|Array): input data
* - data (Uint8Array|Array|String): input data. Strings will be converted to
* utf8 byte sequence.
* - mode (Number|Boolean): 0..6 for corresponding Z_NO_FLUSH..Z_TREE modes.
* See constants. Skipped or `false` means Z_NO_FLUSH, `true` meansh Z_FINISH.
*
@ -158,7 +176,7 @@ var Deflate = function(options) {
* On fail call [[Deflate#onEnd]] with error code and return false.
*
* We strongly recommend to use `Uint8Array` on input for best speed (output
* format is detected automatically). Also, don't skip last param and always
* array format is detected automatically). Also, don't skip last param and always
* use the same type in your code (boolean or number). That will improve JS speed.
*
* For regular `Array`-s make sure all elements are [0..255].
@ -180,14 +198,23 @@ Deflate.prototype.push = function(data, mode) {
_mode = (mode === ~~mode) ? mode : ((mode === true) ? Z_FINISH : Z_NO_FLUSH);
strm.next_in = data;
strm.next_in_index = 0;
strm.avail_in = strm.next_in.length;
strm.next_out = new utils.Buf8(chunkSize);
// Convert data if needed
if (typeof data === 'string') {
// If we need to compress text, change encoding to utf8.
strm.input = strings.string2buf(data);
} else {
strm.input = data;
}
strm.next_in = 0;
strm.avail_in = strm.input.length;
do {
strm.avail_out = this.options.chunkSize;
strm.next_out_index = 0;
if (strm.avail_out === 0) {
strm.output = new utils.Buf8(chunkSize);
strm.next_out = 0;
strm.avail_out = chunkSize;
}
status = zlib_deflate.deflate(strm, _mode); /* no bad return value */
if (status !== Z_STREAM_END && status !== Z_OK) {
@ -195,14 +222,14 @@ Deflate.prototype.push = function(data, mode) {
this.ended = true;
return false;
}
if(strm.next_out_index) {
this.onData(utils.shrinkBuf(strm.next_out, strm.next_out_index));
// Allocate buffer for next chunk, if not last
if (strm.avail_in > 0 || strm.avail_out === 0) {
strm.next_out = new utils.Buf8(this.options.chunkSize);
if (strm.avail_out === 0 || (strm.avail_in === 0 && _mode === Z_FINISH)) {
if (this.options.to === 'string') {
this.onData(strings.buf2binstring(utils.shrinkBuf(strm.output, strm.next_out)));
} else {
this.onData(utils.shrinkBuf(strm.output, strm.next_out));
}
}
} while (strm.avail_in > 0 || strm.avail_out === 0);
} while ((strm.avail_in > 0 || strm.avail_out === 0) && status !== Z_STREAM_END);
// Finalize on the last chunk.
if (_mode === Z_FINISH) {
@ -218,8 +245,9 @@ Deflate.prototype.push = function(data, mode) {
/**
* Deflate#onData(chunk) -> Void
* - chunk (Uint8Array|Array): ouput data. Type of array depends
* on js engine support.
* - chunk (Uint8Array|Array|String): ouput data. Type of array depends
* on js engine support. When string output requested, each chunk
* will be string.
*
* By default, stores data blocks in `chunks[]` property and glue
* those in `onEnd`. Override this handler, if you need another behaviour.
@ -241,8 +269,12 @@ Deflate.prototype.onData = function(chunk) {
Deflate.prototype.onEnd = function(status) {
// On success - join
if (status === Z_OK) {
if (this.options.to === 'string') {
this.result = this.chunks.join('');
} else {
this.result = utils.flattenChunks(this.chunks);
}
}
this.chunks = [];
this.err = status;
this.msg = this.strm.msg;
@ -250,8 +282,8 @@ Deflate.prototype.onEnd = function(status) {
/**
* deflate(data[, options]) -> Uint8Array|Array
* - data (Uint8Array|Array): input data to compress.
* deflate(data[, options]) -> Uint8Array|Array|String
* - data (Uint8Array|Array|String): input data to compress.
* - options (Object): zlib deflate options.
*
* Compress `data` with deflate alrorythm and `options`.
@ -266,6 +298,13 @@ Deflate.prototype.onEnd = function(status) {
* [http://zlib.net/manual.html#Advanced](http://zlib.net/manual.html#Advanced)
* for more information on these.
*
* Sugar (options):
*
* - `raw` (Boolean) - say that we work with raw stream, if you don't wish to specify
* negative windowBits implicitly.
* - `to` (String) - if equal to 'string', then result will be "binary string"
* (each char code [0..255])
*
* ##### Example:
*
* ```javascript
@ -288,8 +327,8 @@ function deflate(input, options) {
/**
* deflateRaw(data[, options]) -> Uint8Array|Array
* - data (Uint8Array|Array): input data to compress.
* deflateRaw(data[, options]) -> Uint8Array|Array|String
* - data (Uint8Array|Array|String): input data to compress.
* - options (Object): zlib deflate options.
*
* The same as [[deflate]], but creates raw data, without wrapper
@ -303,8 +342,8 @@ function deflateRaw(input, options) {
/**
* gzip(data[, options]) -> Uint8Array|Array
* - data (Uint8Array|Array): input data to compress.
* gzip(data[, options]) -> Uint8Array|Array|String
* - data (Uint8Array|Array|String): input data to compress.
* - options (Object): zlib deflate options.
*
* The same as [[deflate]], but create gzip wrapper instead of
@ -321,7 +360,292 @@ exports.Deflate = Deflate;
exports.deflate = deflate;
exports.deflateRaw = deflateRaw;
exports.gzip = gzip;
},{"./zlib/deflate.js":4,"./zlib/messages":5,"./zlib/utils":7,"./zlib/zstream":8}],2:[function(_dereq_,module,exports){
},{"./utils/common":2,"./utils/strings":3,"./zlib/deflate.js":6,"./zlib/messages":7,"./zlib/zstream":9}],2:[function(_dereq_,module,exports){
'use strict';
var TYPED_OK = (typeof Uint8Array !== 'undefined') &&
(typeof Uint16Array !== 'undefined') &&
(typeof Int32Array !== 'undefined');
exports.assign = function (obj /*from1, from2, from3, ...*/) {
var sources = Array.prototype.slice.call(arguments, 1);
while (sources.length) {
var source = sources.shift();
if (!source) { continue; }
if (typeof(source) !== 'object') {
throw new TypeError(source + 'must be non-object');
}
for (var p in source) {
if (source.hasOwnProperty(p)) {
obj[p] = source[p];
}
}
}
return obj;
};
// reduce buffer size, avoiding mem copy
exports.shrinkBuf = function (buf, size) {
if (buf.length === size) { return buf; }
if (buf.subarray) { return buf.subarray(0, size); }
buf.length = size;
return buf;
};
var fnTyped = {
arraySet: function (dest, src, src_offs, len, dest_offs) {
if (src.subarray && dest.subarray) {
dest.set(src.subarray(src_offs, src_offs+len), dest_offs);
return;
}
// Fallback to ordinary array
for(var i=0; i<len; i++) {
dest[dest_offs + i] = src[src_offs + i];
}
},
// Join array of chunks to single array.
flattenChunks: function(chunks) {
var i, l, len, pos, chunk, result;
// calculate data length
len = 0;
for (i=0, l=chunks.length; i<l; i++) {
len += chunks[i].length;
}
// join chunks
result = new Uint8Array(len);
pos = 0;
for (i=0, l=chunks.length; i<l; i++) {
chunk = chunks[i];
result.set(chunk, pos);
pos += chunk.length;
}
return result;
}
};
var fnUntyped = {
arraySet: function (dest, src, src_offs, len, dest_offs) {
for(var i=0; i<len; i++) {
dest[dest_offs + i] = src[src_offs + i];
}
},
// Join array of chunks to single array.
flattenChunks: function(chunks) {
return [].concat.apply([], chunks);
}
};
// Enable/Disable typed arrays use, for testing
//
exports.setTyped = function (on) {
if (on) {
exports.Buf8 = Uint8Array;
exports.Buf16 = Uint16Array;
exports.Buf32 = Int32Array;
exports.assign(exports, fnTyped);
} else {
exports.Buf8 = Array;
exports.Buf16 = Array;
exports.Buf32 = Array;
exports.assign(exports, fnUntyped);
}
};
exports.setTyped(TYPED_OK);
},{}],3:[function(_dereq_,module,exports){
// String encode/decode helpers
'use strict';
var utils = _dereq_('./common');
// Quick check if we can use fast array to bin string conversion
var STR_APPLY_OK = true;
try { String.fromCharCode.apply(null, [0]); } catch(__) { STR_APPLY_OK = false; }
// Table with utf8 lengths (calculated by first byte of sequence)
// Note, that 5 & 6-byte values and some 4-byte values can not be represented in JS,
// because max possible codepoint is 0x10ffff
var _utf8len = new utils.Buf8(256);
for (var i=0; i<256; i++) {
_utf8len[i] = (i >= 252 ? 6 : i >= 248 ? 5 : i >= 240 ? 4 : i >= 224 ? 3 : i >= 192 ? 2 : 1);
}
_utf8len[254]=_utf8len[254]=1; // Invalid sequence start
// convert string to array (typed, when possible)
exports.string2buf = function (str) {
var buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
// count binary size
for (m_pos = 0; m_pos < str_len; m_pos++) {
c = str.charCodeAt(m_pos);
if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
c2 = str.charCodeAt(m_pos+1);
if ((c2 & 0xfc00) === 0xdc00) {
c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
m_pos++;
}
}
buf_len += c < 0x80 ? 1 : c < 0x800 ? 2 : c < 0x10000 ? 3 : 4;
}
// allocate buffer
buf = new utils.Buf8(buf_len);
// convert
for (i=0, m_pos = 0; i < buf_len; m_pos++) {
c = str.charCodeAt(m_pos);
if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
c2 = str.charCodeAt(m_pos+1);
if ((c2 & 0xfc00) === 0xdc00) {
c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
m_pos++;
}
}
if (c < 0x80) {
/* one byte */
buf[i++] = c;
} else if (c < 0x800) {
/* two bytes */
buf[i++] = 0xC0 | (c >>> 6);
buf[i++] = 0x80 | (c & 0x3f);
} else if (c < 0x10000) {
/* three bytes */
buf[i++] = 0xE0 | (c >>> 12);
buf[i++] = 0x80 | (c >>> 6 & 0x3f);
buf[i++] = 0x80 | (c & 0x3f);
} else {
/* four bytes */
buf[i++] = 0xf0 | (c >>> 18);
buf[i++] = 0x80 | (c >>> 12 & 0x3f);
buf[i++] = 0x80 | (c >>> 6 & 0x3f);
buf[i++] = 0x80 | (c & 0x3f);
}
}
return buf;
};
// Convert byte array to binary string
exports.buf2binstring = function(buf) {
// use fallback for big arrays to avoid stack overflow
if (STR_APPLY_OK && buf.length < 65537) {
return String.fromCharCode.apply(null, buf);
}
var result = '';
for(var i=0, len=buf.length; i < len; i++) {
result += String.fromCharCode(buf[i]);
}
return result;
};
// Convert binary string (typed, when possible)
exports.binstring2buf = function(str) {
var buf = new utils.Buf8(str.length);
for(var i=0, len=buf.length; i < len; i++) {
buf[i] = str.charCodeAt(i);
}
return buf;
};
// convert array to string
exports.buf2string = function (buf, max) {
var str, i, out, c, c_len;
var len = max || buf.length;
// Reserve max possible length (2 words per char)
// NB: by unknown reasons, Array is significantly faster for
// String.fromCharCode.apply than Uint16Array.
var utf16buf = new Array(len*2);
for (out=0, i=0; i<len;) {
c = buf[i++];
// quick process ascii
if (c < 0x80) { utf16buf[out++] = c; continue; }
c_len = _utf8len[c];
// skip 5 & 6 byte codes
if (c_len > 4) { utf16buf[out++] = 0xfffd; i += c_len-1; continue; }
// apply mask on first byte
c &= c_len === 2 ? 0x1f : c_len === 3 ? 0x0f : 0x07;
// join the rest
while (c_len > 1 && i < len) {
c = (c << 6) | (buf[i++] & 0x3f);
c_len--;
}
// terminated by end of string?
if (c_len > 1) { utf16buf[out++] = 0xfffd; continue; }
if (c < 0x10000) {
utf16buf[out++] = c;
} else {
c -= 0x10000;
utf16buf[out++] = 0xd800 | ((c >> 10) & 0x3ff);
utf16buf[out++] = 0xdc00 | (c & 0x3ff);
}
}
if (STR_APPLY_OK) {
return String.fromCharCode.apply(null, utils.shrinkBuf(utf16buf, out));
}
// Fallback, when String.fromCharCode.apply not available
str = '';
for (i=0, len=out; i<len; i++) {
str += String.fromCharCode(utf16buf[i]);
}
return str;
};
// Calculate max possible position in utf8 buffer,
// that will not break sequence. If that's not possible
// - (very small limits) return max size as is.
//
// buf[] - utf8 bytes array
// max - length limit (mandatory);
exports.utf8border = function(buf, max) {
var pos;
max = max || buf.length;
if (max > buf.length) { max = buf.length; }
// go back from last position, until start of sequence found
pos = max-1;
while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; }
// Fuckup - very small and broken sequence,
// return max, because we should return something anyway.
if (pos < 0) { return max; }
// If we came to start of buffer - that means vuffer is too small,
// return max too.
if (pos === 0) { return max; }
return (pos + _utf8len[buf[pos]] > max) ? pos : max;
};
},{"./common":2}],4:[function(_dereq_,module,exports){
'use strict';
// Note: adler32 takes 12% for level 0 and 2% for level 6.
@ -354,7 +678,7 @@ function adler32(adler, buf, len, pos) {
module.exports = adler32;
},{}],3:[function(_dereq_,module,exports){
},{}],5:[function(_dereq_,module,exports){
'use strict';
// Note: we can't get significant speed boost here.
@ -396,10 +720,10 @@ function crc32(crc, buf, len, pos) {
module.exports = crc32;
},{}],4:[function(_dereq_,module,exports){
},{}],6:[function(_dereq_,module,exports){
'use strict';
var utils = _dereq_('./utils');
var utils = _dereq_('../utils/common');
var trees = _dereq_('./trees');
var adler32 = _dereq_('./adler32');
var crc32 = _dereq_('./crc32');
@ -511,13 +835,13 @@ function rank(f) {
return ((f) << 1) - ((f) > 4 ? 9 : 0);
}
function zero(buf) { var len = buf.length; while (--len) { buf[len] = 0; } }
function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
/* =========================================================================
* Flush as much pending output as possible. All deflate() output goes
* through this function so some applications may wish to modify it
* to avoid allocating a large strm->next_out buffer and copying into it.
* to avoid allocating a large strm->output buffer and copying into it.
* (See also read_buf()).
*/
function flush_pending(strm) {
@ -530,8 +854,8 @@ function flush_pending(strm) {
}
if (len === 0) { return; }
utils.arraySet(strm.next_out, s.pending_buf, s.pending_out, len, strm.next_out_index);
strm.next_out_index += len;
utils.arraySet(strm.output, s.pending_buf, s.pending_out, len, strm.next_out);
strm.next_out += len;
s.pending_out += len;
strm.total_out += len;
strm.avail_out -= len;
@ -571,7 +895,7 @@ function putShortMSB(s, b) {
* Read a new buffer from the current input stream, update the adler32
* and total number of bytes read. All deflate() input goes through
* this function so some applications may wish to modify it to avoid
* allocating a large strm->next_in buffer and copying from it.
* allocating a large strm->input buffer and copying from it.
* (See also flush_pending()).
*/
function read_buf(strm, buf, start, size) {
@ -582,7 +906,7 @@ function read_buf(strm, buf, start, size) {
strm.avail_in -= len;
utils.arraySet(buf, strm.next_in, strm.next_in_index, len, start);
utils.arraySet(buf, strm.input, strm.next_in, len, start);
if (strm.state.wrap === 1) {
strm.adler = adler32(strm.adler, buf, len, start);
}
@ -591,7 +915,7 @@ function read_buf(strm, buf, start, size) {
strm.adler = crc32(strm.adler, buf, len, start);
}
strm.next_in_index += len;
strm.next_in += len;
strm.total_in += len;
return len;
@ -729,6 +1053,7 @@ function fill_window(s) {
do {
more = s.window_size - s.lookahead - s.strstart;
// JS ints have 32 bit, block below not needed
/* Deal with !@#$% 64K limit: */
//if (sizeof(int) <= 2) {
// if (more == 0 && s->strstart == 0 && s->lookahead == 0) {
@ -1577,13 +1902,6 @@ function DeflateState() {
zero(this.dyn_dtree);
zero(this.bl_tree);
// struct tree_desc_s l_desc; /* desc. for literal tree */
// struct tree_desc_s d_desc; /* desc. for distance tree */
// struct tree_desc_s bl_desc; /* desc. for bit length tree */
// Seems to init better from `tree` with direct structures,
// (?) with separate constructor for bl_desc or not?
// Make sure objects have the same hidden class if needed
this.l_desc = null; /* desc. for literal tree */
this.d_desc = null; /* desc. for distance tree */
this.bl_desc = null; /* desc. for bit length tree */
@ -1652,7 +1970,9 @@ function DeflateState() {
* are always zero.
*/
this.high_water = 0;
// Used for window memory init. We safely ignore it for JS. That makes
// sense only for pointers and memory check tools.
//this.high_water = 0;
/* High water mark offset in window for initialized bytes -- bytes above
* this are set to zero in order to avoid memory check warnings when
* longest match routines access bytes past the input. This is then
@ -1660,6 +1980,7 @@ function DeflateState() {
*/
}
function deflateResetKeep(strm) {
var s;
@ -1688,6 +2009,7 @@ function deflateResetKeep(strm) {
return Z_OK;
}
function deflateReset(strm) {
var ret = deflateResetKeep(strm);
if (ret === Z_OK) {
@ -1696,9 +2018,18 @@ function deflateReset(strm) {
return ret;
}
function deflateSetHeader(strm, head) {
if (!strm || !strm.state) { return Z_STREAM_ERROR; }
if (strm.state.wrap !== 2) { return Z_STREAM_ERROR; }
strm.state.gzhead = head;
return Z_OK;
}
function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
if (!strm) { // === Z_NULL
return err(strm, Z_STREAM_ERROR);
return Z_STREAM_ERROR;
}
var wrap = 1;
@ -1749,7 +2080,8 @@ function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
s.head = new utils.Buf16(s.hash_size);
s.prev = new utils.Buf16(s.w_size);
s.high_water = 0; /* nothing written to s->window yet */
// Don't need mem init magic for JS.
//s.high_water = 0; /* nothing written to s->window yet */
s.lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */
@ -1773,16 +2105,17 @@ function deflateInit(strm, level) {
function deflate(strm, flush) {
var old_flush, s;
var beg, val; // for gzip header write only
if (!strm || !strm.state ||
flush > Z_BLOCK || flush < 0) {
return err(strm, Z_STREAM_ERROR);
return strm ? err(strm, Z_STREAM_ERROR) : Z_STREAM_ERROR;
}
s = strm.state;
if (!strm.next_out ||
(!strm.next_in && strm.avail_in !== 0) ||
if (!strm.output ||
(!strm.input && strm.avail_in !== 0) ||
(s.status === FINISH_STATE && flush !== Z_FINISH)) {
return err(strm, (strm.avail_out === 0) ? Z_BUF_ERROR : Z_STREAM_ERROR);
}
@ -1812,7 +2145,29 @@ function deflate(strm, flush) {
s.status = BUSY_STATE;
}
else {
throw new Error('Custom GZIP headers not supported');
put_byte(s, (s.gzhead.text ? 1 : 0) +
(s.gzhead.hcrc ? 2 : 0) +
(!s.gzhead.extra ? 0 : 4) +
(!s.gzhead.name ? 0 : 8) +
(!s.gzhead.comment ? 0 : 16)
);
put_byte(s, s.gzhead.time & 0xff);
put_byte(s, (s.gzhead.time >> 8) & 0xff);
put_byte(s, (s.gzhead.time >> 16) & 0xff);
put_byte(s, (s.gzhead.time >> 24) & 0xff);
put_byte(s, s.level === 9 ? 2 :
(s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
4 : 0));
put_byte(s, s.gzhead.os & 0xff);
if (s.gzhead.extra && s.gzhead.extra.length) {
put_byte(s, s.gzhead.extra.length & 0xff);
put_byte(s, (s.gzhead.extra.length >> 8) & 0xff);
}
if (s.gzhead.hcrc) {
strm.adler = crc32(strm.adler, s.pending_buf, s.pending, 0);
}
s.gzindex = 0;
s.status = EXTRA_STATE;
}
}
else // DEFLATE header
@ -1845,6 +2200,130 @@ function deflate(strm, flush) {
}
}
//#ifdef GZIP
if (s.status === EXTRA_STATE) {
if (s.gzhead.extra/* != Z_NULL*/) {
beg = s.pending; /* start of bytes to update crc */
while (s.gzindex < (s.gzhead.extra.length & 0xffff)) {
if (s.pending === s.pending_buf_size) {
if (s.gzhead.hcrc && s.pending > beg) {
strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
}
flush_pending(strm);
beg = s.pending;
if (s.pending === s.pending_buf_size) {
break;
}
}
put_byte(s, s.gzhead.extra[s.gzindex] & 0xff);
s.gzindex++;
}
if (s.gzhead.hcrc && s.pending > beg) {
strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
}
if (s.gzindex === s.gzhead.extra.length) {
s.gzindex = 0;
s.status = NAME_STATE;
}
}
else {
s.status = NAME_STATE;
}
}
if (s.status === NAME_STATE) {
if (s.gzhead.name/* != Z_NULL*/) {
beg = s.pending; /* start of bytes to update crc */
//int val;
do {
if (s.pending === s.pending_buf_size) {
if (s.gzhead.hcrc && s.pending > beg) {
strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
}
flush_pending(strm);
beg = s.pending;
if (s.pending === s.pending_buf_size) {
val = 1;
break;
}
}
// JS specific: little magic to add zero terminator to end of string
if (s.gzindex < s.gzhead.name.length) {
val = s.gzhead.name.charCodeAt(s.gzindex++) & 0xff;
} else {
val = 0;
}
put_byte(s, val);
} while (val !== 0);
if (s.gzhead.hcrc && s.pending > beg){
strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
}
if (val === 0) {
s.gzindex = 0;
s.status = COMMENT_STATE;
}
}
else {
s.status = COMMENT_STATE;
}
}
if (s.status === COMMENT_STATE) {
if (s.gzhead.comment/* != Z_NULL*/) {
beg = s.pending; /* start of bytes to update crc */
//int val;
do {
if (s.pending === s.pending_buf_size) {
if (s.gzhead.hcrc && s.pending > beg) {
strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
}
flush_pending(strm);
beg = s.pending;
if (s.pending === s.pending_buf_size) {
val = 1;
break;
}
}
// JS specific: little magic to add zero terminator to end of string
if (s.gzindex < s.gzhead.comment.length) {
val = s.gzhead.comment.charCodeAt(s.gzindex++) & 0xff;
} else {
val = 0;
}
put_byte(s, val);
} while (val !== 0);
if (s.gzhead.hcrc && s.pending > beg) {
strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
}
if (val === 0) {
s.status = HCRC_STATE;
}
}
else {
s.status = HCRC_STATE;
}
}
if (s.status === HCRC_STATE) {
if (s.gzhead.hcrc) {
if (s.pending + 2 > s.pending_buf_size) {
flush_pending(strm);
}
if (s.pending + 2 <= s.pending_buf_size) {
put_byte(s, strm.adler & 0xff);
put_byte(s, (strm.adler >> 8) & 0xff);
strm.adler = 0; //crc32(0L, Z_NULL, 0);
s.status = BUSY_STATE;
}
}
else {
s.status = BUSY_STATE;
}
}
//#endif
/* Flush as much pending output as possible */
if (s.pending !== 0) {
flush_pending(strm);
@ -1959,7 +2438,13 @@ function deflate(strm, flush) {
}
function deflateEnd(strm) {
var status = strm.state.status;
var status;
if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
return Z_STREAM_ERROR;
}
status = strm.state.status;
if (status !== INIT_STATE &&
status !== EXTRA_STATE &&
status !== NAME_STATE &&
@ -1986,18 +2471,22 @@ function deflateEnd(strm) {
exports.deflateInit = deflateInit;
exports.deflateInit2 = deflateInit2;
exports.deflateReset = deflateReset;
exports.deflateResetKeep = deflateResetKeep;
exports.deflateSetHeader = deflateSetHeader;
exports.deflate = deflate;
exports.deflateEnd = deflateEnd;
exports.deflateInfo = 'pako deflate (from Nodeca project)';
/* Not implemented
exports.deflateBound = deflateBound;
exports.deflateCopy = deflateCopy;
exports.deflateSetDictionary = deflateSetDictionary;
exports.deflateParams = deflateParams;
exports.deflateSetHeader = deflateSetHeader;
exports.deflateBound = deflateBound;
exports.deflatePending = deflatePending;
exports.deflatePrime = deflatePrime;
exports.deflateTune = deflateTune;
*/
},{"./adler32":2,"./crc32":3,"./messages":5,"./trees":6,"./utils":7}],5:[function(_dereq_,module,exports){
},{"../utils/common":2,"./adler32":4,"./crc32":5,"./messages":7,"./trees":8}],7:[function(_dereq_,module,exports){
'use strict';
module.exports = {
@ -2011,11 +2500,11 @@ module.exports = {
'-5': 'buffer error', /* Z_BUF_ERROR (-5) */
'-6': 'incompatible version' /* Z_VERSION_ERROR (-6) */
};
},{}],6:[function(_dereq_,module,exports){
},{}],8:[function(_dereq_,module,exports){
'use strict';
var utils = _dereq_('./utils');
var utils = _dereq_('../utils/common');
/* Public constants ==========================================================*/
/* ===========================================================================*/
@ -2036,7 +2525,7 @@ var Z_UNKNOWN = 2;
/*============================================================================*/
function zero(buf) { var len = buf.length; while (--len) { buf[len] = 0; } }
function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
// From zutil.h
@ -3211,127 +3700,22 @@ exports._tr_stored_block = _tr_stored_block;
exports._tr_flush_block = _tr_flush_block;
exports._tr_tally = _tr_tally;
exports._tr_align = _tr_align;
},{"./utils":7}],7:[function(_dereq_,module,exports){
'use strict';
var TYPED_OK = (typeof Uint8Array !== 'undefined') &&
(typeof Uint16Array !== 'undefined') &&
(typeof Int32Array !== 'undefined');
exports.assign = function (obj /*from1, from2, from3, ...*/) {
var sources = Array.prototype.slice.call(arguments, 1);
while (sources.length) {
var source = sources.shift();
if (!source) { continue; }
if (typeof(source) !== 'object') {
throw new TypeError(source + 'must be non-object');
}
for (var p in source) {
if (source.hasOwnProperty(p)) {
obj[p] = source[p];
}
}
}
return obj;
};
// reduce buffer size, avoiding mem copy
exports.shrinkBuf = function (buf, size) {
if (buf.length === size) { return buf; }
if (buf.subarray) { return buf.subarray(0, size); }
buf.length = size;
return buf;
};
var fnTyped = {
arraySet: function (dest, src, src_offs, len, dest_offs) {
// Suppose, that with typed array support destination is
// always typed - don't check it
if (src.subarray) {
dest.set(src.subarray(src_offs, src_offs+len), dest_offs);
return;
}
// Fallback to ordinary array
for(var i=0; i<len; i++) {
dest[dest_offs + i] = src[src_offs + i];
}
},
// Join array of chunks to single array.
flattenChunks: function(chunks) {
var i, l, len, pos, chunk, result;
// calculate data length
len = 0;
for (i=0, l=chunks.length; i<l; i++) {
len += chunks[i].length;
}
// join chunks
result = new Uint8Array(len);
pos = 0;
for (i=0, l=chunks.length; i<l; i++) {
chunk = chunks[i];
result.set(chunk, pos);
pos += chunk.length;
}
return result;
}
};
var fnUntyped = {
arraySet: function (dest, src, src_offs, len, dest_offs) {
for(var i=0; i<len; i++) {
dest[dest_offs + i] = src[src_offs + i];
}
},
// Join array of chunks to single array.
flattenChunks: function(chunks) {
return [].concat.apply([], chunks);
}
};
// Enable/Disable typed arrays use, for testing
//
exports.setTyped = function (on) {
if (on) {
exports.Buf8 = Uint8Array;
exports.Buf16 = Uint16Array;
exports.Buf32 = Int32Array;
exports.assign(exports, fnTyped);
} else {
exports.Buf8 = Array;
exports.Buf16 = Array;
exports.Buf32 = Array;
exports.assign(exports, fnUntyped);
}
};
exports.setTyped(TYPED_OK);
},{}],8:[function(_dereq_,module,exports){
},{"../utils/common":2}],9:[function(_dereq_,module,exports){
'use strict';
function ZStream() {
/* next input byte */
this.next_in = null;
this.next_in_index = 0; // JS specific, offset in next_in
/* number of bytes available at next_in */
this.input = null; // JS specific, because we have no pointers
this.next_in = 0;
/* number of bytes available at input */
this.avail_in = 0;
/* total number of input bytes read so far */
this.total_in = 0;
/* next output byte should be put there */
this.next_out = null;
this.next_out_index = 0; // JS specific, offset in next_out
/* remaining free space at next_out */
this.output = null; // JS specific, because we have no pointers
this.next_out = 0;
/* remaining free space at output */
this.avail_out = 0;
/* total number of bytes output so far */
this.total_out = 0;

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