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mirror of https://github.com/twbs/bootstrap.git synced 2024-12-01 13:24:25 +01:00

upgrade jshint to 2.1.2 for anton <3

This commit is contained in:
Jacob Thornton 2013-05-21 19:30:33 -07:00
parent 59010184cb
commit ccfa989898
18 changed files with 2531 additions and 101 deletions

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@ -1,7 +1,7 @@
/* ===================================================
/* ========================================================================
* Bootstrap: transition.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#transitions
* ===================================================
* ========================================================================
* Copyright 2013 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
// ============================================================
@ -45,10 +45,10 @@
})
}(window.jQuery);
/* ==========================================================
/* ========================================================================
* Bootstrap: alert.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#alerts
* ==========================================================
* ========================================================================
* Copyright 2013 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -62,10 +62,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// ALERT CLASS DEFINITION
// ======================
@ -141,10 +141,10 @@
$(document).on('click.bs.alert.data-api', dismiss, Alert.prototype.close)
}(window.jQuery);
/* ============================================================
/* ========================================================================
* Bootstrap: button.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#buttons
* ============================================================
* ========================================================================
* Copyright 2013 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -158,10 +158,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// BUTTON PUBLIC CLASS DEFINITION
// ==============================
@ -246,10 +246,10 @@
})
}(window.jQuery);
/* ==========================================================
/* ========================================================================
* Bootstrap: carousel.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#carousel
* ==========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -263,10 +263,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// CAROUSEL CLASS DEFINITION
// =========================
@ -449,10 +449,10 @@
})
}(window.jQuery);
/* =============================================================
/* ========================================================================
* Bootstrap: collapse.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#collapse
* =============================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -466,10 +466,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// COLLAPSE PUBLIC CLASS DEFINITION
// ================================
@ -602,10 +602,10 @@
})
}(window.jQuery);
/* ============================================================
/* ========================================================================
* Bootstrap: dropdown.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#dropdowns
* ============================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -619,10 +619,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// DROPDOWN CLASS DEFINITION
// =========================
@ -747,10 +747,10 @@
.on('keydown.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
}(window.jQuery);
/* =========================================================
/* ========================================================================
* Bootstrap: modal.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#modals
* =========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -764,10 +764,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================= */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// MODAL CLASS DEFINITION
// ======================
@ -989,11 +989,11 @@
.on('bs.modal.hidden', '.modal', function () { $body.removeClass('modal-open') })
}(window.jQuery);
/* ===========================================================
/* ========================================================================
* Bootstrap: tooltip.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#tooltips
* http://twitter.github.com/bootstrap/javascript.html#affix
* Inspired by the original jQuery.tipsy by Jason Frame
* ===========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -1007,10 +1007,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// TOOLTIP PUBLIC CLASS DEFINITION
// ===============================
@ -1342,10 +1342,10 @@
}
}(window.jQuery);
/* ===========================================================
/* ========================================================================
* Bootstrap: popover.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#popovers
* ===========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -1359,10 +1359,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// POPOVER PUBLIC CLASS DEFINITION
// ===============================
@ -1451,10 +1451,10 @@
}
}(window.jQuery);
/* =============================================================
/* ========================================================================
* Bootstrap: scrollspy.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#scrollspy
* =============================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -1468,10 +1468,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// SCROLLSPY CLASS DEFINITION
// ==========================
@ -1607,10 +1607,10 @@
})
}(window.jQuery);
/* ========================================================
/* ========================================================================
* Bootstrap: tab.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#tabs
* ========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -1624,10 +1624,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ======================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// TAB CLASS DEFINITION
// ====================
@ -1740,10 +1740,10 @@
})
}(window.jQuery);
/* ==========================================================
/* ========================================================================
* Bootstrap: affix.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#affix
* ==========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -1757,10 +1757,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// AFFIX CLASS DEFINITION
// ======================

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@ -0,0 +1,1695 @@
/*
* Port of a script by Masanao Izumo.
*
* Only changes : wrap all the variables in a function and add the
* main function to JSZip (DEFLATE compression method).
* Everything else was written by M. Izumo.
*
* Original code can be found here: http://www.onicos.com/staff/iz/amuse/javascript/expert/deflate.txt
*/
if(!JSZip)
{
throw "JSZip not defined";
}
/*
* Original:
* http://www.onicos.com/staff/iz/amuse/javascript/expert/deflate.txt
*/
(function(){
/* Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>
* Version: 1.0.1
* LastModified: Dec 25 1999
*/
/* Interface:
* data = zip_deflate(src);
*/
/* constant parameters */
var zip_WSIZE = 32768; // Sliding Window size
var zip_STORED_BLOCK = 0;
var zip_STATIC_TREES = 1;
var zip_DYN_TREES = 2;
/* for deflate */
var zip_DEFAULT_LEVEL = 6;
var zip_FULL_SEARCH = true;
var zip_INBUFSIZ = 32768; // Input buffer size
var zip_INBUF_EXTRA = 64; // Extra buffer
var zip_OUTBUFSIZ = 1024 * 8;
var zip_window_size = 2 * zip_WSIZE;
var zip_MIN_MATCH = 3;
var zip_MAX_MATCH = 258;
var zip_BITS = 16;
// for SMALL_MEM
var zip_LIT_BUFSIZE = 0x2000;
var zip_HASH_BITS = 13;
// for MEDIUM_MEM
// var zip_LIT_BUFSIZE = 0x4000;
// var zip_HASH_BITS = 14;
// for BIG_MEM
// var zip_LIT_BUFSIZE = 0x8000;
// var zip_HASH_BITS = 15;
if(zip_LIT_BUFSIZE > zip_INBUFSIZ)
alert("error: zip_INBUFSIZ is too small");
if((zip_WSIZE<<1) > (1<<zip_BITS))
alert("error: zip_WSIZE is too large");
if(zip_HASH_BITS > zip_BITS-1)
alert("error: zip_HASH_BITS is too large");
if(zip_HASH_BITS < 8 || zip_MAX_MATCH != 258)
alert("error: Code too clever");
var zip_DIST_BUFSIZE = zip_LIT_BUFSIZE;
var zip_HASH_SIZE = 1 << zip_HASH_BITS;
var zip_HASH_MASK = zip_HASH_SIZE - 1;
var zip_WMASK = zip_WSIZE - 1;
var zip_NIL = 0; // Tail of hash chains
var zip_TOO_FAR = 4096;
var zip_MIN_LOOKAHEAD = zip_MAX_MATCH + zip_MIN_MATCH + 1;
var zip_MAX_DIST = zip_WSIZE - zip_MIN_LOOKAHEAD;
var zip_SMALLEST = 1;
var zip_MAX_BITS = 15;
var zip_MAX_BL_BITS = 7;
var zip_LENGTH_CODES = 29;
var zip_LITERALS =256;
var zip_END_BLOCK = 256;
var zip_L_CODES = zip_LITERALS + 1 + zip_LENGTH_CODES;
var zip_D_CODES = 30;
var zip_BL_CODES = 19;
var zip_REP_3_6 = 16;
var zip_REPZ_3_10 = 17;
var zip_REPZ_11_138 = 18;
var zip_HEAP_SIZE = 2 * zip_L_CODES + 1;
var zip_H_SHIFT = parseInt((zip_HASH_BITS + zip_MIN_MATCH - 1) /
zip_MIN_MATCH);
/* variables */
var zip_free_queue;
var zip_qhead, zip_qtail;
var zip_initflag;
var zip_outbuf = null;
var zip_outcnt, zip_outoff;
var zip_complete;
var zip_window;
var zip_d_buf;
var zip_l_buf;
var zip_prev;
var zip_bi_buf;
var zip_bi_valid;
var zip_block_start;
var zip_ins_h;
var zip_hash_head;
var zip_prev_match;
var zip_match_available;
var zip_match_length;
var zip_prev_length;
var zip_strstart;
var zip_match_start;
var zip_eofile;
var zip_lookahead;
var zip_max_chain_length;
var zip_max_lazy_match;
var zip_compr_level;
var zip_good_match;
var zip_nice_match;
var zip_dyn_ltree;
var zip_dyn_dtree;
var zip_static_ltree;
var zip_static_dtree;
var zip_bl_tree;
var zip_l_desc;
var zip_d_desc;
var zip_bl_desc;
var zip_bl_count;
var zip_heap;
var zip_heap_len;
var zip_heap_max;
var zip_depth;
var zip_length_code;
var zip_dist_code;
var zip_base_length;
var zip_base_dist;
var zip_flag_buf;
var zip_last_lit;
var zip_last_dist;
var zip_last_flags;
var zip_flags;
var zip_flag_bit;
var zip_opt_len;
var zip_static_len;
var zip_deflate_data;
var zip_deflate_pos;
/* objects (deflate) */
var zip_DeflateCT = function() {
this.fc = 0; // frequency count or bit string
this.dl = 0; // father node in Huffman tree or length of bit string
}
var zip_DeflateTreeDesc = function() {
this.dyn_tree = null; // the dynamic tree
this.static_tree = null; // corresponding static tree or NULL
this.extra_bits = null; // extra bits for each code or NULL
this.extra_base = 0; // base index for extra_bits
this.elems = 0; // max number of elements in the tree
this.max_length = 0; // max bit length for the codes
this.max_code = 0; // largest code with non zero frequency
}
/* Values for max_lazy_match, good_match and max_chain_length, depending on
* the desired pack level (0..9). The values given below have been tuned to
* exclude worst case performance for pathological files. Better values may be
* found for specific files.
*/
var zip_DeflateConfiguration = function(a, b, c, d) {
this.good_length = a; // reduce lazy search above this match length
this.max_lazy = b; // do not perform lazy search above this match length
this.nice_length = c; // quit search above this match length
this.max_chain = d;
}
var zip_DeflateBuffer = function() {
this.next = null;
this.len = 0;
this.ptr = new Array(zip_OUTBUFSIZ);
this.off = 0;
}
/* constant tables */
var zip_extra_lbits = new Array(
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);
var zip_extra_dbits = new Array(
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);
var zip_extra_blbits = new Array(
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7);
var zip_bl_order = new Array(
16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15);
var zip_configuration_table = new Array(
new zip_DeflateConfiguration(0, 0, 0, 0),
new zip_DeflateConfiguration(4, 4, 8, 4),
new zip_DeflateConfiguration(4, 5, 16, 8),
new zip_DeflateConfiguration(4, 6, 32, 32),
new zip_DeflateConfiguration(4, 4, 16, 16),
new zip_DeflateConfiguration(8, 16, 32, 32),
new zip_DeflateConfiguration(8, 16, 128, 128),
new zip_DeflateConfiguration(8, 32, 128, 256),
new zip_DeflateConfiguration(32, 128, 258, 1024),
new zip_DeflateConfiguration(32, 258, 258, 4096));
/* routines (deflate) */
var zip_deflate_start = function(level) {
var i;
if(!level)
level = zip_DEFAULT_LEVEL;
else if(level < 1)
level = 1;
else if(level > 9)
level = 9;
zip_compr_level = level;
zip_initflag = false;
zip_eofile = false;
if(zip_outbuf != null)
return;
zip_free_queue = zip_qhead = zip_qtail = null;
zip_outbuf = new Array(zip_OUTBUFSIZ);
zip_window = new Array(zip_window_size);
zip_d_buf = new Array(zip_DIST_BUFSIZE);
zip_l_buf = new Array(zip_INBUFSIZ + zip_INBUF_EXTRA);
zip_prev = new Array(1 << zip_BITS);
zip_dyn_ltree = new Array(zip_HEAP_SIZE);
for(i = 0; i < zip_HEAP_SIZE; i++)
zip_dyn_ltree[i] = new zip_DeflateCT();
zip_dyn_dtree = new Array(2*zip_D_CODES+1);
for(i = 0; i < 2*zip_D_CODES+1; i++)
zip_dyn_dtree[i] = new zip_DeflateCT();
zip_static_ltree = new Array(zip_L_CODES+2);
for(i = 0; i < zip_L_CODES+2; i++)
zip_static_ltree[i] = new zip_DeflateCT();
zip_static_dtree = new Array(zip_D_CODES);
for(i = 0; i < zip_D_CODES; i++)
zip_static_dtree[i] = new zip_DeflateCT();
zip_bl_tree = new Array(2*zip_BL_CODES+1);
for(i = 0; i < 2*zip_BL_CODES+1; i++)
zip_bl_tree[i] = new zip_DeflateCT();
zip_l_desc = new zip_DeflateTreeDesc();
zip_d_desc = new zip_DeflateTreeDesc();
zip_bl_desc = new zip_DeflateTreeDesc();
zip_bl_count = new Array(zip_MAX_BITS+1);
zip_heap = new Array(2*zip_L_CODES+1);
zip_depth = new Array(2*zip_L_CODES+1);
zip_length_code = new Array(zip_MAX_MATCH-zip_MIN_MATCH+1);
zip_dist_code = new Array(512);
zip_base_length = new Array(zip_LENGTH_CODES);
zip_base_dist = new Array(zip_D_CODES);
zip_flag_buf = new Array(parseInt(zip_LIT_BUFSIZE / 8));
}
var zip_deflate_end = function() {
zip_free_queue = zip_qhead = zip_qtail = null;
zip_outbuf = null;
zip_window = null;
zip_d_buf = null;
zip_l_buf = null;
zip_prev = null;
zip_dyn_ltree = null;
zip_dyn_dtree = null;
zip_static_ltree = null;
zip_static_dtree = null;
zip_bl_tree = null;
zip_l_desc = null;
zip_d_desc = null;
zip_bl_desc = null;
zip_bl_count = null;
zip_heap = null;
zip_depth = null;
zip_length_code = null;
zip_dist_code = null;
zip_base_length = null;
zip_base_dist = null;
zip_flag_buf = null;
}
var zip_reuse_queue = function(p) {
p.next = zip_free_queue;
zip_free_queue = p;
}
var zip_new_queue = function() {
var p;
if(zip_free_queue != null)
{
p = zip_free_queue;
zip_free_queue = zip_free_queue.next;
}
else
p = new zip_DeflateBuffer();
p.next = null;
p.len = p.off = 0;
return p;
}
var zip_head1 = function(i) {
return zip_prev[zip_WSIZE + i];
}
var zip_head2 = function(i, val) {
return zip_prev[zip_WSIZE + i] = val;
}
/* put_byte is used for the compressed output, put_ubyte for the
* uncompressed output. However unlzw() uses window for its
* suffix table instead of its output buffer, so it does not use put_ubyte
* (to be cleaned up).
*/
var zip_put_byte = function(c) {
zip_outbuf[zip_outoff + zip_outcnt++] = c;
if(zip_outoff + zip_outcnt == zip_OUTBUFSIZ)
zip_qoutbuf();
}
/* Output a 16 bit value, lsb first */
var zip_put_short = function(w) {
w &= 0xffff;
if(zip_outoff + zip_outcnt < zip_OUTBUFSIZ - 2) {
zip_outbuf[zip_outoff + zip_outcnt++] = (w & 0xff);
zip_outbuf[zip_outoff + zip_outcnt++] = (w >>> 8);
} else {
zip_put_byte(w & 0xff);
zip_put_byte(w >>> 8);
}
}
/* ==========================================================================
* Insert string s in the dictionary and set match_head to the previous head
* of the hash chain (the most recent string with same hash key). Return
* the previous length of the hash chain.
* IN assertion: all calls to to INSERT_STRING are made with consecutive
* input characters and the first MIN_MATCH bytes of s are valid
* (except for the last MIN_MATCH-1 bytes of the input file).
*/
var zip_INSERT_STRING = function() {
zip_ins_h = ((zip_ins_h << zip_H_SHIFT)
^ (zip_window[zip_strstart + zip_MIN_MATCH - 1] & 0xff))
& zip_HASH_MASK;
zip_hash_head = zip_head1(zip_ins_h);
zip_prev[zip_strstart & zip_WMASK] = zip_hash_head;
zip_head2(zip_ins_h, zip_strstart);
}
/* Send a code of the given tree. c and tree must not have side effects */
var zip_SEND_CODE = function(c, tree) {
zip_send_bits(tree[c].fc, tree[c].dl);
}
/* Mapping from a distance to a distance code. dist is the distance - 1 and
* must not have side effects. dist_code[256] and dist_code[257] are never
* used.
*/
var zip_D_CODE = function(dist) {
return (dist < 256 ? zip_dist_code[dist]
: zip_dist_code[256 + (dist>>7)]) & 0xff;
}
/* ==========================================================================
* Compares to subtrees, using the tree depth as tie breaker when
* the subtrees have equal frequency. This minimizes the worst case length.
*/
var zip_SMALLER = function(tree, n, m) {
return tree[n].fc < tree[m].fc ||
(tree[n].fc == tree[m].fc && zip_depth[n] <= zip_depth[m]);
}
/* ==========================================================================
* read string data
*/
var zip_read_buff = function(buff, offset, n) {
var i;
for(i = 0; i < n && zip_deflate_pos < zip_deflate_data.length; i++)
buff[offset + i] =
zip_deflate_data.charCodeAt(zip_deflate_pos++) & 0xff;
return i;
}
/* ==========================================================================
* Initialize the "longest match" routines for a new file
*/
var zip_lm_init = function() {
var j;
/* Initialize the hash table. */
for(j = 0; j < zip_HASH_SIZE; j++)
// zip_head2(j, zip_NIL);
zip_prev[zip_WSIZE + j] = 0;
/* prev will be initialized on the fly */
/* Set the default configuration parameters:
*/
zip_max_lazy_match = zip_configuration_table[zip_compr_level].max_lazy;
zip_good_match = zip_configuration_table[zip_compr_level].good_length;
if(!zip_FULL_SEARCH)
zip_nice_match = zip_configuration_table[zip_compr_level].nice_length;
zip_max_chain_length = zip_configuration_table[zip_compr_level].max_chain;
zip_strstart = 0;
zip_block_start = 0;
zip_lookahead = zip_read_buff(zip_window, 0, 2 * zip_WSIZE);
if(zip_lookahead <= 0) {
zip_eofile = true;
zip_lookahead = 0;
return;
}
zip_eofile = false;
/* Make sure that we always have enough lookahead. This is important
* if input comes from a device such as a tty.
*/
while(zip_lookahead < zip_MIN_LOOKAHEAD && !zip_eofile)
zip_fill_window();
/* If lookahead < MIN_MATCH, ins_h is garbage, but this is
* not important since only literal bytes will be emitted.
*/
zip_ins_h = 0;
for(j = 0; j < zip_MIN_MATCH - 1; j++) {
// UPDATE_HASH(ins_h, window[j]);
zip_ins_h = ((zip_ins_h << zip_H_SHIFT) ^ (zip_window[j] & 0xff)) & zip_HASH_MASK;
}
}
/* ==========================================================================
* Set match_start to the longest match starting at the given string and
* return its length. Matches shorter or equal to prev_length are discarded,
* in which case the result is equal to prev_length and match_start is
* garbage.
* IN assertions: cur_match is the head of the hash chain for the current
* string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1
*/
var zip_longest_match = function(cur_match) {
var chain_length = zip_max_chain_length; // max hash chain length
var scanp = zip_strstart; // current string
var matchp; // matched string
var len; // length of current match
var best_len = zip_prev_length; // best match length so far
/* Stop when cur_match becomes <= limit. To simplify the code,
* we prevent matches with the string of window index 0.
*/
var limit = (zip_strstart > zip_MAX_DIST ? zip_strstart - zip_MAX_DIST : zip_NIL);
var strendp = zip_strstart + zip_MAX_MATCH;
var scan_end1 = zip_window[scanp + best_len - 1];
var scan_end = zip_window[scanp + best_len];
/* Do not waste too much time if we already have a good match: */
if(zip_prev_length >= zip_good_match)
chain_length >>= 2;
// Assert(encoder->strstart <= window_size-MIN_LOOKAHEAD, "insufficient lookahead");
do {
// Assert(cur_match < encoder->strstart, "no future");
matchp = cur_match;
/* Skip to next match if the match length cannot increase
* or if the match length is less than 2:
*/
if(zip_window[matchp + best_len] != scan_end ||
zip_window[matchp + best_len - 1] != scan_end1 ||
zip_window[matchp] != zip_window[scanp] ||
zip_window[++matchp] != zip_window[scanp + 1]) {
continue;
}
/* The check at best_len-1 can be removed because it will be made
* again later. (This heuristic is not always a win.)
* It is not necessary to compare scan[2] and match[2] since they
* are always equal when the other bytes match, given that
* the hash keys are equal and that HASH_BITS >= 8.
*/
scanp += 2;
matchp++;
/* We check for insufficient lookahead only every 8th comparison;
* the 256th check will be made at strstart+258.
*/
do {
} while(zip_window[++scanp] == zip_window[++matchp] &&
zip_window[++scanp] == zip_window[++matchp] &&
zip_window[++scanp] == zip_window[++matchp] &&
zip_window[++scanp] == zip_window[++matchp] &&
zip_window[++scanp] == zip_window[++matchp] &&
zip_window[++scanp] == zip_window[++matchp] &&
zip_window[++scanp] == zip_window[++matchp] &&
zip_window[++scanp] == zip_window[++matchp] &&
scanp < strendp);
len = zip_MAX_MATCH - (strendp - scanp);
scanp = strendp - zip_MAX_MATCH;
if(len > best_len) {
zip_match_start = cur_match;
best_len = len;
if(zip_FULL_SEARCH) {
if(len >= zip_MAX_MATCH) break;
} else {
if(len >= zip_nice_match) break;
}
scan_end1 = zip_window[scanp + best_len-1];
scan_end = zip_window[scanp + best_len];
}
} while((cur_match = zip_prev[cur_match & zip_WMASK]) > limit
&& --chain_length != 0);
return best_len;
}
/* ==========================================================================
* Fill the window when the lookahead becomes insufficient.
* Updates strstart and lookahead, and sets eofile if end of input file.
* IN assertion: lookahead < MIN_LOOKAHEAD && strstart + lookahead > 0
* OUT assertions: at least one byte has been read, or eofile is set;
* file reads are performed for at least two bytes (required for the
* translate_eol option).
*/
var zip_fill_window = function() {
var n, m;
// Amount of free space at the end of the window.
var more = zip_window_size - zip_lookahead - zip_strstart;
/* If the window is almost full and there is insufficient lookahead,
* move the upper half to the lower one to make room in the upper half.
*/
if(more == -1) {
/* Very unlikely, but possible on 16 bit machine if strstart == 0
* and lookahead == 1 (input done one byte at time)
*/
more--;
} else if(zip_strstart >= zip_WSIZE + zip_MAX_DIST) {
/* By the IN assertion, the window is not empty so we can't confuse
* more == 0 with more == 64K on a 16 bit machine.
*/
// Assert(window_size == (ulg)2*WSIZE, "no sliding with BIG_MEM");
// System.arraycopy(window, WSIZE, window, 0, WSIZE);
for(n = 0; n < zip_WSIZE; n++)
zip_window[n] = zip_window[n + zip_WSIZE];
zip_match_start -= zip_WSIZE;
zip_strstart -= zip_WSIZE; /* we now have strstart >= MAX_DIST: */
zip_block_start -= zip_WSIZE;
for(n = 0; n < zip_HASH_SIZE; n++) {
m = zip_head1(n);
zip_head2(n, m >= zip_WSIZE ? m - zip_WSIZE : zip_NIL);
}
for(n = 0; n < zip_WSIZE; n++) {
/* If n is not on any hash chain, prev[n] is garbage but
* its value will never be used.
*/
m = zip_prev[n];
zip_prev[n] = (m >= zip_WSIZE ? m - zip_WSIZE : zip_NIL);
}
more += zip_WSIZE;
}
// At this point, more >= 2
if(!zip_eofile) {
n = zip_read_buff(zip_window, zip_strstart + zip_lookahead, more);
if(n <= 0)
zip_eofile = true;
else
zip_lookahead += n;
}
}
/* ==========================================================================
* Processes a new input file and return its compressed length. This
* function does not perform lazy evaluationof matches and inserts
* new strings in the dictionary only for unmatched strings or for short
* matches. It is used only for the fast compression options.
*/
var zip_deflate_fast = function() {
while(zip_lookahead != 0 && zip_qhead == null) {
var flush; // set if current block must be flushed
/* Insert the string window[strstart .. strstart+2] in the
* dictionary, and set hash_head to the head of the hash chain:
*/
zip_INSERT_STRING();
/* Find the longest match, discarding those <= prev_length.
* At this point we have always match_length < MIN_MATCH
*/
if(zip_hash_head != zip_NIL &&
zip_strstart - zip_hash_head <= zip_MAX_DIST) {
/* To simplify the code, we prevent matches with the string
* of window index 0 (in particular we have to avoid a match
* of the string with itself at the start of the input file).
*/
zip_match_length = zip_longest_match(zip_hash_head);
/* longest_match() sets match_start */
if(zip_match_length > zip_lookahead)
zip_match_length = zip_lookahead;
}
if(zip_match_length >= zip_MIN_MATCH) {
// check_match(strstart, match_start, match_length);
flush = zip_ct_tally(zip_strstart - zip_match_start,
zip_match_length - zip_MIN_MATCH);
zip_lookahead -= zip_match_length;
/* Insert new strings in the hash table only if the match length
* is not too large. This saves time but degrades compression.
*/
if(zip_match_length <= zip_max_lazy_match) {
zip_match_length--; // string at strstart already in hash table
do {
zip_strstart++;
zip_INSERT_STRING();
/* strstart never exceeds WSIZE-MAX_MATCH, so there are
* always MIN_MATCH bytes ahead. If lookahead < MIN_MATCH
* these bytes are garbage, but it does not matter since
* the next lookahead bytes will be emitted as literals.
*/
} while(--zip_match_length != 0);
zip_strstart++;
} else {
zip_strstart += zip_match_length;
zip_match_length = 0;
zip_ins_h = zip_window[zip_strstart] & 0xff;
// UPDATE_HASH(ins_h, window[strstart + 1]);
zip_ins_h = ((zip_ins_h<<zip_H_SHIFT) ^ (zip_window[zip_strstart + 1] & 0xff)) & zip_HASH_MASK;
//#if MIN_MATCH != 3
// Call UPDATE_HASH() MIN_MATCH-3 more times
//#endif
}
} else {
/* No match, output a literal byte */
flush = zip_ct_tally(0, zip_window[zip_strstart] & 0xff);
zip_lookahead--;
zip_strstart++;
}
if(flush) {
zip_flush_block(0);
zip_block_start = zip_strstart;
}
/* Make sure that we always have enough lookahead, except
* at the end of the input file. We need MAX_MATCH bytes
* for the next match, plus MIN_MATCH bytes to insert the
* string following the next match.
*/
while(zip_lookahead < zip_MIN_LOOKAHEAD && !zip_eofile)
zip_fill_window();
}
}
var zip_deflate_better = function() {
/* Process the input block. */
while(zip_lookahead != 0 && zip_qhead == null) {
/* Insert the string window[strstart .. strstart+2] in the
* dictionary, and set hash_head to the head of the hash chain:
*/
zip_INSERT_STRING();
/* Find the longest match, discarding those <= prev_length.
*/
zip_prev_length = zip_match_length;
zip_prev_match = zip_match_start;
zip_match_length = zip_MIN_MATCH - 1;
if(zip_hash_head != zip_NIL &&
zip_prev_length < zip_max_lazy_match &&
zip_strstart - zip_hash_head <= zip_MAX_DIST) {
/* To simplify the code, we prevent matches with the string
* of window index 0 (in particular we have to avoid a match
* of the string with itself at the start of the input file).
*/
zip_match_length = zip_longest_match(zip_hash_head);
/* longest_match() sets match_start */
if(zip_match_length > zip_lookahead)
zip_match_length = zip_lookahead;
/* Ignore a length 3 match if it is too distant: */
if(zip_match_length == zip_MIN_MATCH &&
zip_strstart - zip_match_start > zip_TOO_FAR) {
/* If prev_match is also MIN_MATCH, match_start is garbage
* but we will ignore the current match anyway.
*/
zip_match_length--;
}
}
/* If there was a match at the previous step and the current
* match is not better, output the previous match:
*/
if(zip_prev_length >= zip_MIN_MATCH &&
zip_match_length <= zip_prev_length) {
var flush; // set if current block must be flushed
// check_match(strstart - 1, prev_match, prev_length);
flush = zip_ct_tally(zip_strstart - 1 - zip_prev_match,
zip_prev_length - zip_MIN_MATCH);
/* Insert in hash table all strings up to the end of the match.
* strstart-1 and strstart are already inserted.
*/
zip_lookahead -= zip_prev_length - 1;
zip_prev_length -= 2;
do {
zip_strstart++;
zip_INSERT_STRING();
/* strstart never exceeds WSIZE-MAX_MATCH, so there are
* always MIN_MATCH bytes ahead. If lookahead < MIN_MATCH
* these bytes are garbage, but it does not matter since the
* next lookahead bytes will always be emitted as literals.
*/
} while(--zip_prev_length != 0);
zip_match_available = 0;
zip_match_length = zip_MIN_MATCH - 1;
zip_strstart++;
if(flush) {
zip_flush_block(0);
zip_block_start = zip_strstart;
}
} else if(zip_match_available != 0) {
/* If there was no match at the previous position, output a
* single literal. If there was a match but the current match
* is longer, truncate the previous match to a single literal.
*/
if(zip_ct_tally(0, zip_window[zip_strstart - 1] & 0xff)) {
zip_flush_block(0);
zip_block_start = zip_strstart;
}
zip_strstart++;
zip_lookahead--;
} else {
/* There is no previous match to compare with, wait for
* the next step to decide.
*/
zip_match_available = 1;
zip_strstart++;
zip_lookahead--;
}
/* Make sure that we always have enough lookahead, except
* at the end of the input file. We need MAX_MATCH bytes
* for the next match, plus MIN_MATCH bytes to insert the
* string following the next match.
*/
while(zip_lookahead < zip_MIN_LOOKAHEAD && !zip_eofile)
zip_fill_window();
}
}
var zip_init_deflate = function() {
if(zip_eofile)
return;
zip_bi_buf = 0;
zip_bi_valid = 0;
zip_ct_init();
zip_lm_init();
zip_qhead = null;
zip_outcnt = 0;
zip_outoff = 0;
if(zip_compr_level <= 3)
{
zip_prev_length = zip_MIN_MATCH - 1;
zip_match_length = 0;
}
else
{
zip_match_length = zip_MIN_MATCH - 1;
zip_match_available = 0;
}
zip_complete = false;
}
/* ==========================================================================
* Same as above, but achieves better compression. We use a lazy
* evaluation for matches: a match is finally adopted only if there is
* no better match at the next window position.
*/
var zip_deflate_internal = function(buff, off, buff_size) {
var n;
if(!zip_initflag)
{
zip_init_deflate();
zip_initflag = true;
if(zip_lookahead == 0) { // empty
zip_complete = true;
return 0;
}
}
if((n = zip_qcopy(buff, off, buff_size)) == buff_size)
return buff_size;
if(zip_complete)
return n;
if(zip_compr_level <= 3) // optimized for speed
zip_deflate_fast();
else
zip_deflate_better();
if(zip_lookahead == 0) {
if(zip_match_available != 0)
zip_ct_tally(0, zip_window[zip_strstart - 1] & 0xff);
zip_flush_block(1);
zip_complete = true;
}
return n + zip_qcopy(buff, n + off, buff_size - n);
}
var zip_qcopy = function(buff, off, buff_size) {
var n, i, j;
n = 0;
while(zip_qhead != null && n < buff_size)
{
i = buff_size - n;
if(i > zip_qhead.len)
i = zip_qhead.len;
// System.arraycopy(qhead.ptr, qhead.off, buff, off + n, i);
for(j = 0; j < i; j++)
buff[off + n + j] = zip_qhead.ptr[zip_qhead.off + j];
zip_qhead.off += i;
zip_qhead.len -= i;
n += i;
if(zip_qhead.len == 0) {
var p;
p = zip_qhead;
zip_qhead = zip_qhead.next;
zip_reuse_queue(p);
}
}
if(n == buff_size)
return n;
if(zip_outoff < zip_outcnt) {
i = buff_size - n;
if(i > zip_outcnt - zip_outoff)
i = zip_outcnt - zip_outoff;
// System.arraycopy(outbuf, outoff, buff, off + n, i);
for(j = 0; j < i; j++)
buff[off + n + j] = zip_outbuf[zip_outoff + j];
zip_outoff += i;
n += i;
if(zip_outcnt == zip_outoff)
zip_outcnt = zip_outoff = 0;
}
return n;
}
/* ==========================================================================
* Allocate the match buffer, initialize the various tables and save the
* location of the internal file attribute (ascii/binary) and method
* (DEFLATE/STORE).
*/
var zip_ct_init = function() {
var n; // iterates over tree elements
var bits; // bit counter
var length; // length value
var code; // code value
var dist; // distance index
if(zip_static_dtree[0].dl != 0) return; // ct_init already called
zip_l_desc.dyn_tree = zip_dyn_ltree;
zip_l_desc.static_tree = zip_static_ltree;
zip_l_desc.extra_bits = zip_extra_lbits;
zip_l_desc.extra_base = zip_LITERALS + 1;
zip_l_desc.elems = zip_L_CODES;
zip_l_desc.max_length = zip_MAX_BITS;
zip_l_desc.max_code = 0;
zip_d_desc.dyn_tree = zip_dyn_dtree;
zip_d_desc.static_tree = zip_static_dtree;
zip_d_desc.extra_bits = zip_extra_dbits;
zip_d_desc.extra_base = 0;
zip_d_desc.elems = zip_D_CODES;
zip_d_desc.max_length = zip_MAX_BITS;
zip_d_desc.max_code = 0;
zip_bl_desc.dyn_tree = zip_bl_tree;
zip_bl_desc.static_tree = null;
zip_bl_desc.extra_bits = zip_extra_blbits;
zip_bl_desc.extra_base = 0;
zip_bl_desc.elems = zip_BL_CODES;
zip_bl_desc.max_length = zip_MAX_BL_BITS;
zip_bl_desc.max_code = 0;
// Initialize the mapping length (0..255) -> length code (0..28)
length = 0;
for(code = 0; code < zip_LENGTH_CODES-1; code++) {
zip_base_length[code] = length;
for(n = 0; n < (1<<zip_extra_lbits[code]); n++)
zip_length_code[length++] = code;
}
// Assert (length == 256, "ct_init: length != 256");
/* Note that the length 255 (match length 258) can be represented
* in two different ways: code 284 + 5 bits or code 285, so we
* overwrite length_code[255] to use the best encoding:
*/
zip_length_code[length-1] = code;
/* Initialize the mapping dist (0..32K) -> dist code (0..29) */
dist = 0;
for(code = 0 ; code < 16; code++) {
zip_base_dist[code] = dist;
for(n = 0; n < (1<<zip_extra_dbits[code]); n++) {
zip_dist_code[dist++] = code;
}
}
// Assert (dist == 256, "ct_init: dist != 256");
dist >>= 7; // from now on, all distances are divided by 128
for( ; code < zip_D_CODES; code++) {
zip_base_dist[code] = dist << 7;
for(n = 0; n < (1<<(zip_extra_dbits[code]-7)); n++)
zip_dist_code[256 + dist++] = code;
}
// Assert (dist == 256, "ct_init: 256+dist != 512");
// Construct the codes of the static literal tree
for(bits = 0; bits <= zip_MAX_BITS; bits++)
zip_bl_count[bits] = 0;
n = 0;
while(n <= 143) { zip_static_ltree[n++].dl = 8; zip_bl_count[8]++; }
while(n <= 255) { zip_static_ltree[n++].dl = 9; zip_bl_count[9]++; }
while(n <= 279) { zip_static_ltree[n++].dl = 7; zip_bl_count[7]++; }
while(n <= 287) { zip_static_ltree[n++].dl = 8; zip_bl_count[8]++; }
/* Codes 286 and 287 do not exist, but we must include them in the
* tree construction to get a canonical Huffman tree (longest code
* all ones)
*/
zip_gen_codes(zip_static_ltree, zip_L_CODES + 1);
/* The static distance tree is trivial: */
for(n = 0; n < zip_D_CODES; n++) {
zip_static_dtree[n].dl = 5;
zip_static_dtree[n].fc = zip_bi_reverse(n, 5);
}
// Initialize the first block of the first file:
zip_init_block();
}
/* ==========================================================================
* Initialize a new block.
*/
var zip_init_block = function() {
var n; // iterates over tree elements
// Initialize the trees.
for(n = 0; n < zip_L_CODES; n++) zip_dyn_ltree[n].fc = 0;
for(n = 0; n < zip_D_CODES; n++) zip_dyn_dtree[n].fc = 0;
for(n = 0; n < zip_BL_CODES; n++) zip_bl_tree[n].fc = 0;
zip_dyn_ltree[zip_END_BLOCK].fc = 1;
zip_opt_len = zip_static_len = 0;
zip_last_lit = zip_last_dist = zip_last_flags = 0;
zip_flags = 0;
zip_flag_bit = 1;
}
/* ==========================================================================
* Restore the heap property by moving down the tree starting at node k,
* exchanging a node with the smallest of its two sons if necessary, stopping
* when the heap property is re-established (each father smaller than its
* two sons).
*/
var zip_pqdownheap = function(
tree, // the tree to restore
k) { // node to move down
var v = zip_heap[k];
var j = k << 1; // left son of k
while(j <= zip_heap_len) {
// Set j to the smallest of the two sons:
if(j < zip_heap_len &&
zip_SMALLER(tree, zip_heap[j + 1], zip_heap[j]))
j++;
// Exit if v is smaller than both sons
if(zip_SMALLER(tree, v, zip_heap[j]))
break;
// Exchange v with the smallest son
zip_heap[k] = zip_heap[j];
k = j;
// And continue down the tree, setting j to the left son of k
j <<= 1;
}
zip_heap[k] = v;
}
/* ==========================================================================
* Compute the optimal bit lengths for a tree and update the total bit length
* for the current block.
* IN assertion: the fields freq and dad are set, heap[heap_max] and
* above are the tree nodes sorted by increasing frequency.
* OUT assertions: the field len is set to the optimal bit length, the
* array bl_count contains the frequencies for each bit length.
* The length opt_len is updated; static_len is also updated if stree is
* not null.
*/
var zip_gen_bitlen = function(desc) { // the tree descriptor
var tree = desc.dyn_tree;
var extra = desc.extra_bits;
var base = desc.extra_base;
var max_code = desc.max_code;
var max_length = desc.max_length;
var stree = desc.static_tree;
var h; // heap index
var n, m; // iterate over the tree elements
var bits; // bit length
var xbits; // extra bits
var f; // frequency
var overflow = 0; // number of elements with bit length too large
for(bits = 0; bits <= zip_MAX_BITS; bits++)
zip_bl_count[bits] = 0;
/* In a first pass, compute the optimal bit lengths (which may
* overflow in the case of the bit length tree).
*/
tree[zip_heap[zip_heap_max]].dl = 0; // root of the heap
for(h = zip_heap_max + 1; h < zip_HEAP_SIZE; h++) {
n = zip_heap[h];
bits = tree[tree[n].dl].dl + 1;
if(bits > max_length) {
bits = max_length;
overflow++;
}
tree[n].dl = bits;
// We overwrite tree[n].dl which is no longer needed
if(n > max_code)
continue; // not a leaf node
zip_bl_count[bits]++;
xbits = 0;
if(n >= base)
xbits = extra[n - base];
f = tree[n].fc;
zip_opt_len += f * (bits + xbits);
if(stree != null)
zip_static_len += f * (stree[n].dl + xbits);
}
if(overflow == 0)
return;
// This happens for example on obj2 and pic of the Calgary corpus
// Find the first bit length which could increase:
do {
bits = max_length - 1;
while(zip_bl_count[bits] == 0)
bits--;
zip_bl_count[bits]--; // move one leaf down the tree
zip_bl_count[bits + 1] += 2; // move one overflow item as its brother
zip_bl_count[max_length]--;
/* The brother of the overflow item also moves one step up,
* but this does not affect bl_count[max_length]
*/
overflow -= 2;
} while(overflow > 0);
/* Now recompute all bit lengths, scanning in increasing frequency.
* h is still equal to HEAP_SIZE. (It is simpler to reconstruct all
* lengths instead of fixing only the wrong ones. This idea is taken
* from 'ar' written by Haruhiko Okumura.)
*/
for(bits = max_length; bits != 0; bits--) {
n = zip_bl_count[bits];
while(n != 0) {
m = zip_heap[--h];
if(m > max_code)
continue;
if(tree[m].dl != bits) {
zip_opt_len += (bits - tree[m].dl) * tree[m].fc;
tree[m].fc = bits;
}
n--;
}
}
}
/* ==========================================================================
* Generate the codes for a given tree and bit counts (which need not be
* optimal).
* IN assertion: the array bl_count contains the bit length statistics for
* the given tree and the field len is set for all tree elements.
* OUT assertion: the field code is set for all tree elements of non
* zero code length.
*/
var zip_gen_codes = function(tree, // the tree to decorate
max_code) { // largest code with non zero frequency
var next_code = new Array(zip_MAX_BITS+1); // next code value for each bit length
var code = 0; // running code value
var bits; // bit index
var n; // code index
/* The distribution counts are first used to generate the code values
* without bit reversal.
*/
for(bits = 1; bits <= zip_MAX_BITS; bits++) {
code = ((code + zip_bl_count[bits-1]) << 1);
next_code[bits] = code;
}
/* Check that the bit counts in bl_count are consistent. The last code
* must be all ones.
*/
// Assert (code + encoder->bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1,
// "inconsistent bit counts");
// Tracev((stderr,"\ngen_codes: max_code %d ", max_code));
for(n = 0; n <= max_code; n++) {
var len = tree[n].dl;
if(len == 0)
continue;
// Now reverse the bits
tree[n].fc = zip_bi_reverse(next_code[len]++, len);
// Tracec(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
// n, (isgraph(n) ? n : ' '), len, tree[n].fc, next_code[len]-1));
}
}
/* ==========================================================================
* Construct one Huffman tree and assigns the code bit strings and lengths.
* Update the total bit length for the current block.
* IN assertion: the field freq is set for all tree elements.
* OUT assertions: the fields len and code are set to the optimal bit length
* and corresponding code. The length opt_len is updated; static_len is
* also updated if stree is not null. The field max_code is set.
*/
var zip_build_tree = function(desc) { // the tree descriptor
var tree = desc.dyn_tree;
var stree = desc.static_tree;
var elems = desc.elems;
var n, m; // iterate over heap elements
var max_code = -1; // largest code with non zero frequency
var node = elems; // next internal node of the tree
/* Construct the initial heap, with least frequent element in
* heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1].
* heap[0] is not used.
*/
zip_heap_len = 0;
zip_heap_max = zip_HEAP_SIZE;
for(n = 0; n < elems; n++) {
if(tree[n].fc != 0) {
zip_heap[++zip_heap_len] = max_code = n;
zip_depth[n] = 0;
} else
tree[n].dl = 0;
}
/* The pkzip format requires that at least one distance code exists,
* and that at least one bit should be sent even if there is only one
* possible code. So to avoid special checks later on we force at least
* two codes of non zero frequency.
*/
while(zip_heap_len < 2) {
var xnew = zip_heap[++zip_heap_len] = (max_code < 2 ? ++max_code : 0);
tree[xnew].fc = 1;
zip_depth[xnew] = 0;
zip_opt_len--;
if(stree != null)
zip_static_len -= stree[xnew].dl;
// new is 0 or 1 so it does not have extra bits
}
desc.max_code = max_code;
/* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree,
* establish sub-heaps of increasing lengths:
*/
for(n = zip_heap_len >> 1; n >= 1; n--)
zip_pqdownheap(tree, n);
/* Construct the Huffman tree by repeatedly combining the least two
* frequent nodes.
*/
do {
n = zip_heap[zip_SMALLEST];
zip_heap[zip_SMALLEST] = zip_heap[zip_heap_len--];
zip_pqdownheap(tree, zip_SMALLEST);
m = zip_heap[zip_SMALLEST]; // m = node of next least frequency
// keep the nodes sorted by frequency
zip_heap[--zip_heap_max] = n;
zip_heap[--zip_heap_max] = m;
// Create a new node father of n and m
tree[node].fc = tree[n].fc + tree[m].fc;
// depth[node] = (char)(MAX(depth[n], depth[m]) + 1);
if(zip_depth[n] > zip_depth[m] + 1)
zip_depth[node] = zip_depth[n];
else
zip_depth[node] = zip_depth[m] + 1;
tree[n].dl = tree[m].dl = node;
// and insert the new node in the heap
zip_heap[zip_SMALLEST] = node++;
zip_pqdownheap(tree, zip_SMALLEST);
} while(zip_heap_len >= 2);
zip_heap[--zip_heap_max] = zip_heap[zip_SMALLEST];
/* At this point, the fields freq and dad are set. We can now
* generate the bit lengths.
*/
zip_gen_bitlen(desc);
// The field len is now set, we can generate the bit codes
zip_gen_codes(tree, max_code);
}
/* ==========================================================================
* Scan a literal or distance tree to determine the frequencies of the codes
* in the bit length tree. Updates opt_len to take into account the repeat
* counts. (The contribution of the bit length codes will be added later
* during the construction of bl_tree.)
*/
var zip_scan_tree = function(tree,// the tree to be scanned
max_code) { // and its largest code of non zero frequency
var n; // iterates over all tree elements
var prevlen = -1; // last emitted length
var curlen; // length of current code
var nextlen = tree[0].dl; // length of next code
var count = 0; // repeat count of the current code
var max_count = 7; // max repeat count
var min_count = 4; // min repeat count
if(nextlen == 0) {
max_count = 138;
min_count = 3;
}
tree[max_code + 1].dl = 0xffff; // guard
for(n = 0; n <= max_code; n++) {
curlen = nextlen;
nextlen = tree[n + 1].dl;
if(++count < max_count && curlen == nextlen)
continue;
else if(count < min_count)
zip_bl_tree[curlen].fc += count;
else if(curlen != 0) {
if(curlen != prevlen)
zip_bl_tree[curlen].fc++;
zip_bl_tree[zip_REP_3_6].fc++;
} else if(count <= 10)
zip_bl_tree[zip_REPZ_3_10].fc++;
else
zip_bl_tree[zip_REPZ_11_138].fc++;
count = 0; prevlen = curlen;
if(nextlen == 0) {
max_count = 138;
min_count = 3;
} else if(curlen == nextlen) {
max_count = 6;
min_count = 3;
} else {
max_count = 7;
min_count = 4;
}
}
}
/* ==========================================================================
* Send a literal or distance tree in compressed form, using the codes in
* bl_tree.
*/
var zip_send_tree = function(tree, // the tree to be scanned
max_code) { // and its largest code of non zero frequency
var n; // iterates over all tree elements
var prevlen = -1; // last emitted length
var curlen; // length of current code
var nextlen = tree[0].dl; // length of next code
var count = 0; // repeat count of the current code
var max_count = 7; // max repeat count
var min_count = 4; // min repeat count
/* tree[max_code+1].dl = -1; */ /* guard already set */
if(nextlen == 0) {
max_count = 138;
min_count = 3;
}
for(n = 0; n <= max_code; n++) {
curlen = nextlen;
nextlen = tree[n+1].dl;
if(++count < max_count && curlen == nextlen) {
continue;
} else if(count < min_count) {
do { zip_SEND_CODE(curlen, zip_bl_tree); } while(--count != 0);
} else if(curlen != 0) {
if(curlen != prevlen) {
zip_SEND_CODE(curlen, zip_bl_tree);
count--;
}
// Assert(count >= 3 && count <= 6, " 3_6?");
zip_SEND_CODE(zip_REP_3_6, zip_bl_tree);
zip_send_bits(count - 3, 2);
} else if(count <= 10) {
zip_SEND_CODE(zip_REPZ_3_10, zip_bl_tree);
zip_send_bits(count-3, 3);
} else {
zip_SEND_CODE(zip_REPZ_11_138, zip_bl_tree);
zip_send_bits(count-11, 7);
}
count = 0;
prevlen = curlen;
if(nextlen == 0) {
max_count = 138;
min_count = 3;
} else if(curlen == nextlen) {
max_count = 6;
min_count = 3;
} else {
max_count = 7;
min_count = 4;
}
}
}
/* ==========================================================================
* Construct the Huffman tree for the bit lengths and return the index in
* bl_order of the last bit length code to send.
*/
var zip_build_bl_tree = function() {
var max_blindex; // index of last bit length code of non zero freq
// Determine the bit length frequencies for literal and distance trees
zip_scan_tree(zip_dyn_ltree, zip_l_desc.max_code);
zip_scan_tree(zip_dyn_dtree, zip_d_desc.max_code);
// Build the bit length tree:
zip_build_tree(zip_bl_desc);
/* opt_len now includes the length of the tree representations, except
* the lengths of the bit lengths codes and the 5+5+4 bits for the counts.
*/
/* Determine the number of bit length codes to send. The pkzip format
* requires that at least 4 bit length codes be sent. (appnote.txt says
* 3 but the actual value used is 4.)
*/
for(max_blindex = zip_BL_CODES-1; max_blindex >= 3; max_blindex--) {
if(zip_bl_tree[zip_bl_order[max_blindex]].dl != 0) break;
}
/* Update opt_len to include the bit length tree and counts */
zip_opt_len += 3*(max_blindex+1) + 5+5+4;
// Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
// encoder->opt_len, encoder->static_len));
return max_blindex;
}
/* ==========================================================================
* Send the header for a block using dynamic Huffman trees: the counts, the
* lengths of the bit length codes, the literal tree and the distance tree.
* IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4.
*/
var zip_send_all_trees = function(lcodes, dcodes, blcodes) { // number of codes for each tree
var rank; // index in bl_order
// Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes");
// Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
// "too many codes");
// Tracev((stderr, "\nbl counts: "));
zip_send_bits(lcodes-257, 5); // not +255 as stated in appnote.txt
zip_send_bits(dcodes-1, 5);
zip_send_bits(blcodes-4, 4); // not -3 as stated in appnote.txt
for(rank = 0; rank < blcodes; rank++) {
// Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
zip_send_bits(zip_bl_tree[zip_bl_order[rank]].dl, 3);
}
// send the literal tree
zip_send_tree(zip_dyn_ltree,lcodes-1);
// send the distance tree
zip_send_tree(zip_dyn_dtree,dcodes-1);
}
/* ==========================================================================
* Determine the best encoding for the current block: dynamic trees, static
* trees or store, and output the encoded block to the zip file.
*/
var zip_flush_block = function(eof) { // true if this is the last block for a file
var opt_lenb, static_lenb; // opt_len and static_len in bytes
var max_blindex; // index of last bit length code of non zero freq
var stored_len; // length of input block
stored_len = zip_strstart - zip_block_start;
zip_flag_buf[zip_last_flags] = zip_flags; // Save the flags for the last 8 items
// Construct the literal and distance trees
zip_build_tree(zip_l_desc);
// Tracev((stderr, "\nlit data: dyn %ld, stat %ld",
// encoder->opt_len, encoder->static_len));
zip_build_tree(zip_d_desc);
// Tracev((stderr, "\ndist data: dyn %ld, stat %ld",
// encoder->opt_len, encoder->static_len));
/* At this point, opt_len and static_len are the total bit lengths of
* the compressed block data, excluding the tree representations.
*/
/* Build the bit length tree for the above two trees, and get the index
* in bl_order of the last bit length code to send.
*/
max_blindex = zip_build_bl_tree();
// Determine the best encoding. Compute first the block length in bytes
opt_lenb = (zip_opt_len +3+7)>>3;
static_lenb = (zip_static_len+3+7)>>3;
// Trace((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u dist %u ",
// opt_lenb, encoder->opt_len,
// static_lenb, encoder->static_len, stored_len,
// encoder->last_lit, encoder->last_dist));
if(static_lenb <= opt_lenb)
opt_lenb = static_lenb;
if(stored_len + 4 <= opt_lenb // 4: two words for the lengths
&& zip_block_start >= 0) {
var i;
/* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
* Otherwise we can't have processed more than WSIZE input bytes since
* the last block flush, because compression would have been
* successful. If LIT_BUFSIZE <= WSIZE, it is never too late to
* transform a block into a stored block.
*/
zip_send_bits((zip_STORED_BLOCK<<1)+eof, 3); /* send block type */
zip_bi_windup(); /* align on byte boundary */
zip_put_short(stored_len);
zip_put_short(~stored_len);
// copy block
/*
p = &window[block_start];
for(i = 0; i < stored_len; i++)
put_byte(p[i]);
*/
for(i = 0; i < stored_len; i++)
zip_put_byte(zip_window[zip_block_start + i]);
} else if(static_lenb == opt_lenb) {
zip_send_bits((zip_STATIC_TREES<<1)+eof, 3);
zip_compress_block(zip_static_ltree, zip_static_dtree);
} else {
zip_send_bits((zip_DYN_TREES<<1)+eof, 3);
zip_send_all_trees(zip_l_desc.max_code+1,
zip_d_desc.max_code+1,
max_blindex+1);
zip_compress_block(zip_dyn_ltree, zip_dyn_dtree);
}
zip_init_block();
if(eof != 0)
zip_bi_windup();
}
/* ==========================================================================
* Save the match info and tally the frequency counts. Return true if
* the current block must be flushed.
*/
var zip_ct_tally = function(
dist, // distance of matched string
lc) { // match length-MIN_MATCH or unmatched char (if dist==0)
zip_l_buf[zip_last_lit++] = lc;
if(dist == 0) {
// lc is the unmatched char
zip_dyn_ltree[lc].fc++;
} else {
// Here, lc is the match length - MIN_MATCH
dist--; // dist = match distance - 1
// Assert((ush)dist < (ush)MAX_DIST &&
// (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
// (ush)D_CODE(dist) < (ush)D_CODES, "ct_tally: bad match");
zip_dyn_ltree[zip_length_code[lc]+zip_LITERALS+1].fc++;
zip_dyn_dtree[zip_D_CODE(dist)].fc++;
zip_d_buf[zip_last_dist++] = dist;
zip_flags |= zip_flag_bit;
}
zip_flag_bit <<= 1;
// Output the flags if they fill a byte
if((zip_last_lit & 7) == 0) {
zip_flag_buf[zip_last_flags++] = zip_flags;
zip_flags = 0;
zip_flag_bit = 1;
}
// Try to guess if it is profitable to stop the current block here
if(zip_compr_level > 2 && (zip_last_lit & 0xfff) == 0) {
// Compute an upper bound for the compressed length
var out_length = zip_last_lit * 8;
var in_length = zip_strstart - zip_block_start;
var dcode;
for(dcode = 0; dcode < zip_D_CODES; dcode++) {
out_length += zip_dyn_dtree[dcode].fc * (5 + zip_extra_dbits[dcode]);
}
out_length >>= 3;
// Trace((stderr,"\nlast_lit %u, last_dist %u, in %ld, out ~%ld(%ld%%) ",
// encoder->last_lit, encoder->last_dist, in_length, out_length,
// 100L - out_length*100L/in_length));
if(zip_last_dist < parseInt(zip_last_lit/2) &&
out_length < parseInt(in_length/2))
return true;
}
return (zip_last_lit == zip_LIT_BUFSIZE-1 ||
zip_last_dist == zip_DIST_BUFSIZE);
/* We avoid equality with LIT_BUFSIZE because of wraparound at 64K
* on 16 bit machines and because stored blocks are restricted to
* 64K-1 bytes.
*/
}
/* ==========================================================================
* Send the block data compressed using the given Huffman trees
*/
var zip_compress_block = function(
ltree, // literal tree
dtree) { // distance tree
var dist; // distance of matched string
var lc; // match length or unmatched char (if dist == 0)
var lx = 0; // running index in l_buf
var dx = 0; // running index in d_buf
var fx = 0; // running index in flag_buf
var flag = 0; // current flags
var code; // the code to send
var extra; // number of extra bits to send
if(zip_last_lit != 0) do {
if((lx & 7) == 0)
flag = zip_flag_buf[fx++];
lc = zip_l_buf[lx++] & 0xff;
if((flag & 1) == 0) {
zip_SEND_CODE(lc, ltree); /* send a literal byte */
// Tracecv(isgraph(lc), (stderr," '%c' ", lc));
} else {
// Here, lc is the match length - MIN_MATCH
code = zip_length_code[lc];
zip_SEND_CODE(code+zip_LITERALS+1, ltree); // send the length code
extra = zip_extra_lbits[code];
if(extra != 0) {
lc -= zip_base_length[code];
zip_send_bits(lc, extra); // send the extra length bits
}
dist = zip_d_buf[dx++];
// Here, dist is the match distance - 1
code = zip_D_CODE(dist);
// Assert (code < D_CODES, "bad d_code");
zip_SEND_CODE(code, dtree); // send the distance code
extra = zip_extra_dbits[code];
if(extra != 0) {
dist -= zip_base_dist[code];
zip_send_bits(dist, extra); // send the extra distance bits
}
} // literal or match pair ?
flag >>= 1;
} while(lx < zip_last_lit);
zip_SEND_CODE(zip_END_BLOCK, ltree);
}
/* ==========================================================================
* Send a value on a given number of bits.
* IN assertion: length <= 16 and value fits in length bits.
*/
var zip_Buf_size = 16; // bit size of bi_buf
var zip_send_bits = function(
value, // value to send
length) { // number of bits
/* If not enough room in bi_buf, use (valid) bits from bi_buf and
* (16 - bi_valid) bits from value, leaving (width - (16-bi_valid))
* unused bits in value.
*/
if(zip_bi_valid > zip_Buf_size - length) {
zip_bi_buf |= (value << zip_bi_valid);
zip_put_short(zip_bi_buf);
zip_bi_buf = (value >> (zip_Buf_size - zip_bi_valid));
zip_bi_valid += length - zip_Buf_size;
} else {
zip_bi_buf |= value << zip_bi_valid;
zip_bi_valid += length;
}
}
/* ==========================================================================
* Reverse the first len bits of a code, using straightforward code (a faster
* method would use a table)
* IN assertion: 1 <= len <= 15
*/
var zip_bi_reverse = function(
code, // the value to invert
len) { // its bit length
var res = 0;
do {
res |= code & 1;
code >>= 1;
res <<= 1;
} while(--len > 0);
return res >> 1;
}
/* ==========================================================================
* Write out any remaining bits in an incomplete byte.
*/
var zip_bi_windup = function() {
if(zip_bi_valid > 8) {
zip_put_short(zip_bi_buf);
} else if(zip_bi_valid > 0) {
zip_put_byte(zip_bi_buf);
}
zip_bi_buf = 0;
zip_bi_valid = 0;
}
var zip_qoutbuf = function() {
if(zip_outcnt != 0) {
var q, i;
q = zip_new_queue();
if(zip_qhead == null)
zip_qhead = zip_qtail = q;
else
zip_qtail = zip_qtail.next = q;
q.len = zip_outcnt - zip_outoff;
// System.arraycopy(zip_outbuf, zip_outoff, q.ptr, 0, q.len);
for(i = 0; i < q.len; i++)
q.ptr[i] = zip_outbuf[zip_outoff + i];
zip_outcnt = zip_outoff = 0;
}
}
var zip_deflate = function(str, level) {
var i, j;
zip_deflate_data = str;
zip_deflate_pos = 0;
if(typeof level == "undefined")
level = zip_DEFAULT_LEVEL;
zip_deflate_start(level);
var buff = new Array(1024);
var aout = [];
while((i = zip_deflate_internal(buff, 0, buff.length)) > 0) {
var cbuf = new Array(i);
for(j = 0; j < i; j++){
cbuf[j] = String.fromCharCode(buff[j]);
}
aout[aout.length] = cbuf.join("");
}
zip_deflate_data = null; // G.C.
return aout.join("");
}
//
// end of the script of Masanao Izumo.
//
// we add the compression method for JSZip
if(!JSZip.compressions["DEFLATE"]) {
JSZip.compressions["DEFLATE"] = {
magic : "\x08\x00",
compress : zip_deflate
}
} else {
JSZip.compressions["DEFLATE"].compress = zip_deflate;
}
})();

735
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@ -0,0 +1,735 @@
/**
JSZip - A Javascript class for generating and reading zip files
<http://stuartk.com/jszip>
(c) 2009-2012 Stuart Knightley <stuart [at] stuartk.com>
Dual licenced under the MIT license or GPLv3. See LICENSE.markdown.
Usage:
zip = new JSZip();
zip.file("hello.txt", "Hello, World!").add("tempfile", "nothing");
zip.folder("images").file("smile.gif", base64Data, {base64: true});
zip.file("Xmas.txt", "Ho ho ho !", {date : new Date("December 25, 2007 00:00:01")});
zip.remove("tempfile");
base64zip = zip.generate();
**/
/**
* Representation a of zip file in js
* @constructor
* @param {String=} data the data to load, if any (optional).
* @param {Object=} options the options for creating this objects (optional).
*/
var JSZip = function(data, options) {
// object containing the files :
// {
// "folder/" : {...},
// "folder/data.txt" : {...}
// }
this.files = {};
// Where we are in the hierarchy
this.root = "";
if(data) {
this.load(data, options);
}
};
JSZip.signature = {
LOCAL_FILE_HEADER : "\x50\x4b\x03\x04",
CENTRAL_FILE_HEADER : "\x50\x4b\x01\x02",
CENTRAL_DIRECTORY_END : "\x50\x4b\x05\x06",
ZIP64_CENTRAL_DIRECTORY_LOCATOR : "\x50\x4b\x06\x07",
ZIP64_CENTRAL_DIRECTORY_END : "\x50\x4b\x06\x06",
DATA_DESCRIPTOR : "\x50\x4b\x07\x08"
};
// Default properties for a new file
JSZip.defaults = {
base64: false,
binary: false,
dir: false,
date: null
};
JSZip.prototype = (function ()
{
/**
* A simple object representing a file in the zip file.
* @constructor
* @param {string} name the name of the file
* @param {string} data the data
* @param {Object} options the options of the file
*/
var ZipObject = function (name, data, options) {
this.name = name;
this.data = data;
this.options = options;
};
ZipObject.prototype = {
/**
* Return the content as UTF8 string.
* @return {string} the UTF8 string.
*/
asText : function ()
{
return this.options.binary ? JSZip.prototype.utf8decode(this.data) : this.data;
},
/**
* Returns the binary content.
* @return {string} the content as binary.
*/
asBinary : function ()
{
return this.options.binary ? this.data : JSZip.prototype.utf8encode(this.data);
}
};
/**
* Transform an integer into a string in hexadecimal.
* @private
* @param {number} dec the number to convert.
* @param {number} bytes the number of bytes to generate.
* @returns {string} the result.
*/
var decToHex = function(dec, bytes) {
var hex = "", i;
for(i = 0; i < bytes; i++)
{
hex += String.fromCharCode(dec&0xff);
dec=dec>>>8;
}
return hex;
};
/**
* Merge the objects passed as parameters into a new one.
* @private
* @param {...Object} var_args All objects to merge.
* @return {Object} a new object with the data of the others.
*/
var extend = function () {
var result = {}, i, attr;
for (i = 0; i < arguments.length; i++) // arguments is not enumerable in some browsers
{
for (attr in arguments[i])
{
if(typeof result[attr] === "undefined")
{
result[attr] = arguments[i][attr];
}
}
}
return result;
};
/**
* Transforms the (incomplete) options from the user into the complete
* set of options to create a file.
* @private
* @param {Object} o the options from the user.
* @return {Object} the complete set of options.
*/
var prepareFileAttrs = function (o) {
o = o || {};
if (o.base64 === true && o.binary == null) {
o.binary = true;
}
o = extend(o, JSZip.defaults);
o.date = o.date || new Date();
return o;
};
/**
* Add a file in the current folder.
* @private
* @param {string} name the name of the file
* @param {string} data the data of the file
* @param {Object} o the options of the file
* @return {Object} the new file.
*/
var fileAdd = function (name, data, o) {
// be sure sub folders exist
var parent = parentFolder(name);
if (parent) {
folderAdd.call(this, parent);
}
o = prepareFileAttrs(o);
return this.files[name] = {name: name, data: data, options:o};
};
/**
* Find the parent folder of the path.
* @private
* @param {string} path the path to use
* @return {string} the parent folder, or ""
*/
var parentFolder = function (path) {
if (path.slice(-1) == '/')
{
path = path.substring(0, path.length - 1);
}
var lastSlash = path.lastIndexOf('/');
return (lastSlash > 0) ? path.substring(0, lastSlash) : "";
};
/**
* Add a (sub) folder in the current folder.
* @private
* @param {string} name the folder's name
* @return {Object} the new folder.
*/
var folderAdd = function (name) {
// Check the name ends with a /
if (name.slice(-1) != "/") {
name += "/"; // IE doesn't like substr(-1)
}
// Does this folder already exist?
if (!this.files[name])
{
// be sure sub folders exist
var parent = parentFolder(name);
if (parent) {
folderAdd.call(this, parent);
}
fileAdd.call(this, name, '', {dir:true});
}
return this.files[name];
};
/**
* Generate the data found in the local header of a zip file.
* Do not create it now, as some parts are re-used later.
* @private
* @param {Object} file the file to use.
* @param {string} utfEncodedFileName the file name, utf8 encoded.
* @param {string} compressionType the compression to use.
* @return {Object} an object containing header and compressedData.
*/
var prepareLocalHeaderData = function(file, utfEncodedFileName, compressionType) {
var useUTF8 = utfEncodedFileName !== file.name,
data = file.data,
o = file.options,
dosTime,
dosDate;
// date
// @see http://www.delorie.com/djgpp/doc/rbinter/it/52/13.html
// @see http://www.delorie.com/djgpp/doc/rbinter/it/65/16.html
// @see http://www.delorie.com/djgpp/doc/rbinter/it/66/16.html
dosTime = o.date.getHours();
dosTime = dosTime << 6;
dosTime = dosTime | o.date.getMinutes();
dosTime = dosTime << 5;
dosTime = dosTime | o.date.getSeconds() / 2;
dosDate = o.date.getFullYear() - 1980;
dosDate = dosDate << 4;
dosDate = dosDate | (o.date.getMonth() + 1);
dosDate = dosDate << 5;
dosDate = dosDate | o.date.getDate();
if (o.base64 === true) {
data = JSZipBase64.decode(data);
}
// decode UTF-8 strings if we are dealing with text data
if(o.binary === false) {
data = this.utf8encode(data);
}
var compression = JSZip.compressions[compressionType];
var compressedData = compression.compress(data);
var header = "";
// version needed to extract
header += "\x0A\x00";
// general purpose bit flag
// set bit 11 if utf8
header += useUTF8 ? "\x00\x08" : "\x00\x00";
// compression method
header += compression.magic;
// last mod file time
header += decToHex(dosTime, 2);
// last mod file date
header += decToHex(dosDate, 2);
// crc-32
header += decToHex(this.crc32(data), 4);
// compressed size
header += decToHex(compressedData.length, 4);
// uncompressed size
header += decToHex(data.length, 4);
// file name length
header += decToHex(utfEncodedFileName.length, 2);
// extra field length
header += "\x00\x00";
return {
header:header,
compressedData:compressedData
};
};
// return the actual prototype of JSZip
return {
/**
* Read an existing zip and merge the data in the current JSZip object.
* The implementation is in jszip-load.js, don't forget to include it.
* @param {string} stream The stream to load
* @param {Object} options Options for loading the stream.
* options.base64 : is the stream in base64 ? default : false
* @return {JSZip} the current JSZip object
*/
load : function (stream, options)
{
throw new Error("Load method is not defined. Is the file jszip-load.js included ?");
},
/**
* Filter nested files/folders with the specified function.
* @param {Function} search the predicate to use :
* function (relativePath, file) {...}
* It takes 2 arguments : the relative path and the file.
* @return {Array} An array of matching elements.
*/
filter : function (search)
{
var result = [], filename, relativePath, file, fileClone;
for (filename in this.files)
{
file = this.files[filename];
// return a new object, don't let the user mess with our internal objects :)
fileClone = new ZipObject(file.name, file.data, extend(file.options));
relativePath = filename.slice(this.root.length, filename.length);
if (filename.slice(0, this.root.length) === this.root && // the file is in the current root
search(relativePath, fileClone)) // and the file matches the function
{
result.push(fileClone);
}
}
return result;
},
/**
* Add a file to the zip file, or search a file.
* @param {string|RegExp} name The name of the file to add (if data is defined),
* the name of the file to find (if no data) or a regex to match files.
* @param {string} data The file data, either raw or base64 encoded
* @param {Object} o File options
* @return {JSZip|Object|Array} this JSZip object (when adding a file),
* a file (when searching by string) or an array of files (when searching by regex).
*/
file : function(name, data, o)
{
if (arguments.length === 1)
{
if (name instanceof RegExp)
{
var regexp = name;
return this.filter(function(relativePath, file) {
return !file.options.dir && regexp.test(relativePath);
});
}
else // text
{
return this.filter(function (relativePath, file) {
return !file.options.dir && relativePath === name;
})[0]||null;
}
}
else // more than one argument : we have data !
{
name = this.root+name;
fileAdd.call(this, name, data, o);
}
return this;
},
/**
* Add a directory to the zip file, or search.
* @param {String|RegExp} arg The name of the directory to add, or a regex to search folders.
* @return {JSZip} an object with the new directory as the root, or an array containing matching folders.
*/
folder : function(arg)
{
if (!arg)
{
throw new Error("folder : wrong argument");
}
if (arg instanceof RegExp)
{
return this.filter(function(relativePath, file) {
return file.options.dir && arg.test(relativePath);
});
}
// else, name is a new folder
var name = this.root + arg;
var newFolder = folderAdd.call(this, name);
// Allow chaining by returning a new object with this folder as the root
var ret = this.clone();
ret.root = newFolder.name;
return ret;
},
/**
* Delete a file, or a directory and all sub-files, from the zip
* @param {string} name the name of the file to delete
* @return {JSZip} this JSZip object
*/
remove : function(name)
{
name = this.root + name;
var file = this.files[name];
if (!file)
{
// Look for any folders
if (name.slice(-1) != "/") {
name += "/";
}
file = this.files[name];
}
if (file)
{
if (!file.options.dir)
{
// file
delete this.files[name];
}
else
{
// folder
var kids = this.filter(function (relativePath, file) {
return file.name.slice(0, name.length) === name;
});
for (var i = 0; i < kids.length; i++)
{
delete this.files[kids[i].name];
}
}
}
return this;
},
/**
* Generate the complete zip file
* @param {Object} options the options to generate the zip file :
* - base64, true to generate base64.
* - compression, "STORE" by default.
* @return {string} the zip file
*/
generate : function(options)
{
options = extend(options || {}, {
base64 : true,
compression : "STORE"
});
var compression = options.compression.toUpperCase();
// The central directory, and files data
var directory = [], files = [], fileOffset = 0;
if (!JSZip.compressions[compression]) {
throw compression + " is not a valid compression method !";
}
for (var name in this.files)
{
if( !this.files.hasOwnProperty(name) ) { continue; }
var file = this.files[name];
var utfEncodedFileName = this.utf8encode(file.name);
var fileRecord = "",
dirRecord = "",
data = prepareLocalHeaderData.call(this, file, utfEncodedFileName, compression);
fileRecord = JSZip.signature.LOCAL_FILE_HEADER + data.header + utfEncodedFileName + data.compressedData;
dirRecord = JSZip.signature.CENTRAL_FILE_HEADER +
// version made by (00: DOS)
"\x14\x00" +
// file header (common to file and central directory)
data.header +
// file comment length
"\x00\x00" +
// disk number start
"\x00\x00" +
// internal file attributes TODO
"\x00\x00" +
// external file attributes
(this.files[name].dir===true?"\x10\x00\x00\x00":"\x00\x00\x00\x00")+
// relative offset of local header
decToHex(fileOffset, 4) +
// file name
utfEncodedFileName;
fileOffset += fileRecord.length;
files.push(fileRecord);
directory.push(dirRecord);
}
var fileData = files.join("");
var dirData = directory.join("");
var dirEnd = "";
// end of central dir signature
dirEnd = JSZip.signature.CENTRAL_DIRECTORY_END +
// number of this disk
"\x00\x00" +
// number of the disk with the start of the central directory
"\x00\x00" +
// total number of entries in the central directory on this disk
decToHex(files.length, 2) +
// total number of entries in the central directory
decToHex(files.length, 2) +
// size of the central directory 4 bytes
decToHex(dirData.length, 4) +
// offset of start of central directory with respect to the starting disk number
decToHex(fileData.length, 4) +
// .ZIP file comment length
"\x00\x00";
var zip = fileData + dirData + dirEnd;
return (options.base64) ? JSZipBase64.encode(zip) : zip;
},
/**
*
* Javascript crc32
* http://www.webtoolkit.info/
*
*/
crc32 : function(str, crc)
{
if (str === "" || typeof str === "undefined") {
return 0;
}
var table = "00000000 77073096 EE0E612C 990951BA 076DC419 706AF48F E963A535 9E6495A3 0EDB8832 79DCB8A4 E0D5E91E 97D2D988 09B64C2B 7EB17CBD E7B82D07 90BF1D91 1DB71064 6AB020F2 F3B97148 84BE41DE 1ADAD47D 6DDDE4EB F4D4B551 83D385C7 136C9856 646BA8C0 FD62F97A 8A65C9EC 14015C4F 63066CD9 FA0F3D63 8D080DF5 3B6E20C8 4C69105E D56041E4 A2677172 3C03E4D1 4B04D447 D20D85FD A50AB56B 35B5A8FA 42B2986C DBBBC9D6 ACBCF940 32D86CE3 45DF5C75 DCD60DCF ABD13D59 26D930AC 51DE003A C8D75180 BFD06116 21B4F4B5 56B3C423 CFBA9599 B8BDA50F 2802B89E 5F058808 C60CD9B2 B10BE924 2F6F7C87 58684C11 C1611DAB B6662D3D 76DC4190 01DB7106 98D220BC EFD5102A 71B18589 06B6B51F 9FBFE4A5 E8B8D433 7807C9A2 0F00F934 9609A88E E10E9818 7F6A0DBB 086D3D2D 91646C97 E6635C01 6B6B51F4 1C6C6162 856530D8 F262004E 6C0695ED 1B01A57B 8208F4C1 F50FC457 65B0D9C6 12B7E950 8BBEB8EA FCB9887C 62DD1DDF 15DA2D49 8CD37CF3 FBD44C65 4DB26158 3AB551CE A3BC0074 D4BB30E2 4ADFA541 3DD895D7 A4D1C46D D3D6F4FB 4369E96A 346ED9FC AD678846 DA60B8D0 44042D73 33031DE5 AA0A4C5F DD0D7CC9 5005713C 270241AA BE0B1010 C90C2086 5768B525 206F85B3 B966D409 CE61E49F 5EDEF90E 29D9C998 B0D09822 C7D7A8B4 59B33D17 2EB40D81 B7BD5C3B C0BA6CAD EDB88320 9ABFB3B6 03B6E20C 74B1D29A EAD54739 9DD277AF 04DB2615 73DC1683 E3630B12 94643B84 0D6D6A3E 7A6A5AA8 E40ECF0B 9309FF9D 0A00AE27 7D079EB1 F00F9344 8708A3D2 1E01F268 6906C2FE F762575D 806567CB 196C3671 6E6B06E7 FED41B76 89D32BE0 10DA7A5A 67DD4ACC F9B9DF6F 8EBEEFF9 17B7BE43 60B08ED5 D6D6A3E8 A1D1937E 38D8C2C4 4FDFF252 D1BB67F1 A6BC5767 3FB506DD 48B2364B D80D2BDA AF0A1B4C 36034AF6 41047A60 DF60EFC3 A867DF55 316E8EEF 4669BE79 CB61B38C BC66831A 256FD2A0 5268E236 CC0C7795 BB0B4703 220216B9 5505262F C5BA3BBE B2BD0B28 2BB45A92 5CB36A04 C2D7FFA7 B5D0CF31 2CD99E8B 5BDEAE1D 9B64C2B0 EC63F226 756AA39C 026D930A 9C0906A9 EB0E363F 72076785 05005713 95BF4A82 E2B87A14 7BB12BAE 0CB61B38 92D28E9B E5D5BE0D 7CDCEFB7 0BDBDF21 86D3D2D4 F1D4E242 68DDB3F8 1FDA836E 81BE16CD F6B9265B 6FB077E1 18B74777 88085AE6 FF0F6A70 66063BCA 11010B5C 8F659EFF F862AE69 616BFFD3 166CCF45 A00AE278 D70DD2EE 4E048354 3903B3C2 A7672661 D06016F7 4969474D 3E6E77DB AED16A4A D9D65ADC 40DF0B66 37D83BF0 A9BCAE53 DEBB9EC5 47B2CF7F 30B5FFE9 BDBDF21C CABAC28A 53B39330 24B4A3A6 BAD03605 CDD70693 54DE5729 23D967BF B3667A2E C4614AB8 5D681B02 2A6F2B94 B40BBE37 C30C8EA1 5A05DF1B 2D02EF8D";
if (typeof(crc) == "undefined") { crc = 0; }
var x = 0;
var y = 0;
crc = crc ^ (-1);
for( var i = 0, iTop = str.length; i < iTop; i++ ) {
y = ( crc ^ str.charCodeAt( i ) ) & 0xFF;
x = "0x" + table.substr( y * 9, 8 );
crc = ( crc >>> 8 ) ^ x;
}
return crc ^ (-1);
},
// Inspired by http://my.opera.com/GreyWyvern/blog/show.dml/1725165
clone : function()
{
var newObj = new JSZip();
for (var i in this)
{
if (typeof this[i] !== "function")
{
newObj[i] = this[i];
}
}
return newObj;
},
/**
* http://www.webtoolkit.info/javascript-utf8.html
*/
utf8encode : function (string) {
string = string.replace(/\r\n/g,"\n");
var utftext = "";
for (var n = 0; n < string.length; n++) {
var c = string.charCodeAt(n);
if (c < 128) {
utftext += String.fromCharCode(c);
}
else if((c > 127) && (c < 2048)) {
utftext += String.fromCharCode((c >> 6) | 192);
utftext += String.fromCharCode((c & 63) | 128);
}
else {
utftext += String.fromCharCode((c >> 12) | 224);
utftext += String.fromCharCode(((c >> 6) & 63) | 128);
utftext += String.fromCharCode((c & 63) | 128);
}
}
return utftext;
},
/**
* http://www.webtoolkit.info/javascript-utf8.html
*/
utf8decode : function (utftext) {
var string = "";
var i = 0;
var c = 0, c1 = 0, c2 = 0, c3 = 0;
while ( i < utftext.length ) {
c = utftext.charCodeAt(i);
if (c < 128) {
string += String.fromCharCode(c);
i++;
}
else if((c > 191) && (c < 224)) {
c2 = utftext.charCodeAt(i+1);
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
i += 2;
}
else {
c2 = utftext.charCodeAt(i+1);
c3 = utftext.charCodeAt(i+2);
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
i += 3;
}
}
return string;
}
};
}());
/*
* Compression methods
* This object is filled in as follow :
* name : {
* magic // the 2 bytes indentifying the compression method
* compress // function, take the uncompressed content and return it compressed.
* uncompress // function, take the compressed content and return it uncompressed.
* }
*
* STORE is the default compression method, so it's included in this file.
* Other methods should go to separated files : the user wants modularity.
*/
JSZip.compressions = {
"STORE" : {
magic : "\x00\x00",
compress : function (content)
{
return content; // no compression
},
uncompress : function (content)
{
return content; // no compression
}
}
};
/**
*
* Base64 encode / decode
* http://www.webtoolkit.info/
*
* Hacked so that it doesn't utf8 en/decode everything
**/
var JSZipBase64 = (function() {
// private property
var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
return {
// public method for encoding
encode : function(input, utf8) {
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output +
_keyStr.charAt(enc1) + _keyStr.charAt(enc2) +
_keyStr.charAt(enc3) + _keyStr.charAt(enc4);
}
return output;
},
// public method for decoding
decode : function(input, utf8) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
while (i < input.length) {
enc1 = _keyStr.indexOf(input.charAt(i++));
enc2 = _keyStr.indexOf(input.charAt(i++));
enc3 = _keyStr.indexOf(input.charAt(i++));
enc4 = _keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
}
return output;
}
};
}());
// enforcing Stuk's coding style
// vim: set shiftwidth=3 softtabstop=3:

View File

@ -9,4 +9,4 @@
"boss" : true,
"expr" : true,
"asi" : true
}
}

View File

@ -1,7 +1,7 @@
/* ==========================================================
/* ========================================================================
* Bootstrap: affix.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#affix
* ==========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// AFFIX CLASS DEFINITION
// ======================

View File

@ -1,7 +1,7 @@
/* ==========================================================
/* ========================================================================
* Bootstrap: alert.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#alerts
* ==========================================================
* ========================================================================
* Copyright 2013 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// ALERT CLASS DEFINITION
// ======================

View File

@ -1,7 +1,7 @@
/* ============================================================
/* ========================================================================
* Bootstrap: button.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#buttons
* ============================================================
* ========================================================================
* Copyright 2013 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// BUTTON PUBLIC CLASS DEFINITION
// ==============================

View File

@ -1,7 +1,7 @@
/* ==========================================================
/* ========================================================================
* Bootstrap: carousel.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#carousel
* ==========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// CAROUSEL CLASS DEFINITION
// =========================

View File

@ -1,7 +1,7 @@
/* =============================================================
/* ========================================================================
* Bootstrap: collapse.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#collapse
* =============================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// COLLAPSE PUBLIC CLASS DEFINITION
// ================================

View File

@ -1,7 +1,7 @@
/* ============================================================
/* ========================================================================
* Bootstrap: dropdown.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#dropdowns
* ============================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// DROPDOWN CLASS DEFINITION
// =========================

View File

@ -1,7 +1,7 @@
/* =========================================================
/* ========================================================================
* Bootstrap: modal.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#modals
* =========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================= */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// MODAL CLASS DEFINITION
// ======================

View File

@ -1,7 +1,7 @@
/* ===========================================================
/* ========================================================================
* Bootstrap: popover.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#popovers
* ===========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// POPOVER PUBLIC CLASS DEFINITION
// ===============================

View File

@ -1,7 +1,7 @@
/* =============================================================
/* ========================================================================
* Bootstrap: scrollspy.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#scrollspy
* =============================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// SCROLLSPY CLASS DEFINITION
// ==========================

View File

@ -1,7 +1,7 @@
/* ========================================================
/* ========================================================================
* Bootstrap: tab.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#tabs
* ========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ======================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// TAB CLASS DEFINITION
// ====================

View File

@ -1,8 +1,8 @@
/* ===========================================================
/* ========================================================================
* Bootstrap: tooltip.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#tooltips
* http://twitter.github.com/bootstrap/javascript.html#affix
* Inspired by the original jQuery.tipsy by Jason Frame
* ===========================================================
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -16,10 +16,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// TOOLTIP PUBLIC CLASS DEFINITION
// ===============================

View File

@ -1,7 +1,7 @@
/* ===================================================
/* ========================================================================
* Bootstrap: transition.js v3.0.0
* http://twitter.github.com/bootstrap/javascript.html#transitions
* ===================================================
* ========================================================================
* Copyright 2013 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@ -15,10 +15,10 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
* ======================================================================== */
!function ($) { "use strict";
+function ($) { "use strict";
// CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
// ============================================================

View File

@ -18,7 +18,7 @@
]
, "devDependencies": {
"uglify-js": "1.3.4"
, "jshint": "0.9.1"
, "jshint": "2.1.2"
, "recess": "1.1.6"
, "connect": "2.1.3"
}