-/*\r packer, version 2.0.2 (2005-08-19)\r Copyright 2004-2005, Dean Edwards\r License: http://creativecommons.org/licenses/LGPL/2.1/\r*/\r\rfunction pack(_script, _encoding, _fastDecode, _specialChars) {\r // constants\r var $IGNORE = "$1";\r\r // validate parameters\r _script += "\n";\r _encoding = Math.min(parseInt(_encoding), 95);\r\r // apply all parsing routines\r function _pack($script) {\r var i, $parse;\r for (i = 0; ($parse = _parsers[i]); i++) {\r $script = $parse($script);\r }\r return $script;\r };\r\r // unpacking function - this is the boot strap function\r // data extracted from this packing routine is passed to\r // this function when decoded in the target\r var _unpack = function($packed, $ascii, $count, $keywords, $encode, $decode) {\r while ($count--)\r if ($keywords[$count])\r $packed = $packed.replace(new RegExp('\\b' + $encode($count) + '\\b', 'g'), $keywords[$count]);\r return $packed;\r };\r\r // code-snippet inserted into the unpacker to speed up decoding\r var _decode = function() {\r // does the browser support String.replace where the\r // replacement value is a function?\r if (!''.replace(/^/, String)) {\r // decode all the values we need\r while ($count--) $decode[$encode($count)] = $keywords[$count] || $encode($count);\r // global replacement function\r $keywords = [function($encoded){return $decode[$encoded]}];\r // generic match\r $encode = function(){return'\\w+'};\r // reset the loop counter - we are now doing a global replace\r $count = 1;\r }\r };\r\r // keep a list of parsing functions, they'll be executed all at once\r var _parsers = [];\r function _addParser($parser) {\r _parsers[_parsers.length] = $parser;\r };\r\r // zero encoding - just removal of white space and comments\r function _basicCompression($script) {\r var $parser = new ParseMaster;\r // make safe\r $parser.escapeChar = "\\";\r // protect strings\r $parser.add(/'[^'\n\r]*'/, $IGNORE);\r $parser.add(/"[^"\n\r]*"/, $IGNORE);\r // remove comments\r $parser.add(/\/\/[^\n\r]*[\n\r]/, " ");\r $parser.add(/\/\*[^*]*\*+([^\/][^*]*\*+)*\//, " ");\r // protect regular expressions\r $parser.add(/\s+(\/[^\/\n\r\*][^\/\n\r]*\/g?i?)/, "$2"); // IGNORE\r $parser.add(/[^\w\x24\/'"*)\?:]\/[^\/\n\r\*][^\/\n\r]*\/g?i?/, $IGNORE);\r // remove: ;;; doSomething();\r if (_specialChars) $parser.add(/;;;[^\n\r]+[\n\r]/);\r // remove redundant semi-colons\r $parser.add(/\(;;\)/, $IGNORE); // protect for (;;) loops\r $parser.add(/;+\s*([};])/, "$2");\r // apply the above\r $script = $parser.exec($script);\r\r // remove white-space\r $parser.add(/(\b|\x24)\s+(\b|\x24)/, "$2 $3");\r $parser.add(/([+\-])\s+([+\-])/, "$2 $3");\r $parser.add(/\s+/, "");\r // done\r return $parser.exec($script);\r };\r\r function _encodeSpecialChars($script) {\r var $parser = new ParseMaster;\r // replace: $name -> n, $$name -> na\r $parser.add(/((\x24+)([a-zA-Z$_]+))(\d*)/, function($match, $offset) {\r var $length = $match[$offset + 2].length;\r var $start = $length - Math.max($length - $match[$offset + 3].length, 0);\r return $match[$offset + 1].substr($start, $length) + $match[$offset + 4];\r });\r // replace: _name -> _0, double-underscore (__name) is ignored\r var $regexp = /\b_[A-Za-z\d]\w*/;\r // build the word list\r var $keywords = _analyze($script, _globalize($regexp), _encodePrivate);\r // quick ref\r var $encoded = $keywords.$encoded;\r $parser.add($regexp, function($match, $offset) {\r return $encoded[$match[$offset]];\r });\r return $parser.exec($script);\r };\r\r function _encodeKeywords($script) {\r // escape high-ascii values already in the script (i.e. in strings)\r if (_encoding > 62) $script = _escape95($script);\r // create the parser\r var $parser = new ParseMaster;\r var $encode = _getEncoder(_encoding);\r // for high-ascii, don't encode single character low-ascii\r var $regexp = (_encoding > 62) ? /\w\w+/ : /\w+/;\r // build the word list\r $keywords = _analyze($script, _globalize($regexp), $encode);\r var $encoded = $keywords.$encoded;\r // encode\r $parser.add($regexp, function($match, $offset) {\r return $encoded[$match[$offset]];\r });\r // if encoded, wrap the script in a decoding function\r return $script && _bootStrap($parser.exec($script), $keywords);\r };\r\r function _analyze($script, $regexp, $encode) {\r // analyse\r // retreive all words in the script\r var $all = $script.match($regexp);\r var $$sorted = []; // list of words sorted by frequency\r var $$encoded = {}; // dictionary of word->encoding\r var $$protected = {}; // instances of "protected" words\r if ($all) {\r var $unsorted = []; // same list, not sorted\r var $protected = {}; // "protected" words (dictionary of word->"word")\r var $values = {}; // dictionary of charCode->encoding (eg. 256->ff)\r var $count = {}; // word->count\r var i = $all.length, j = 0, $word;\r // count the occurrences - used for sorting later\r do {\r $word = "$" + $all[--i];\r if (!$count[$word]) {\r $count[$word] = 0;\r $unsorted[j] = $word;\r // make a dictionary of all of the protected words in this script\r // these are words that might be mistaken for encoding\r $protected["$" + ($values[j] = $encode(j))] = j++;\r }\r // increment the word counter\r $count[$word]++;\r } while (i);\r // prepare to sort the word list, first we must protect\r // words that are also used as codes. we assign them a code\r // equivalent to the word itself.\r // e.g. if "do" falls within our encoding range\r // then we store keywords["do"] = "do";\r // this avoids problems when decoding\r i = $unsorted.length;\r do {\r $word = $unsorted[--i];\r if ($protected[$word] != null) {\r $$sorted[$protected[$word]] = $word.slice(1);\r $$protected[$protected[$word]] = true;\r $count[$word] = 0;\r }\r } while (i);\r // sort the words by frequency\r $unsorted.sort(function($match1, $match2) {\r return $count[$match2] - $count[$match1];\r });\r j = 0;\r // because there are "protected" words in the list\r // we must add the sorted words around them\r do {\r if ($$sorted[i] == null) $$sorted[i] = $unsorted[j++].slice(1);\r $$encoded[$$sorted[i]] = $values[i];\r } while (++i < $unsorted.length);\r }\r return {$sorted: $$sorted, $encoded: $$encoded, $protected: $$protected};\r };\r\r // build the boot function used for loading and decoding\r function _bootStrap($packed, $keywords) {\r var $ENCODE = _safeRegExp("$encode\\($count\\)", "g");\r\r // $packed: the packed script\r $packed = "'" + _escape($packed) + "'";\r\r // $ascii: base for encoding\r var $ascii = Math.min($keywords.$sorted.length, _encoding) || 1;\r\r // $count: number of words contained in the script\r var $count = $keywords.$sorted.length;\r\r // $keywords: list of words contained in the script\r for (var i in $keywords.$protected) $keywords.$sorted[i] = "";\r // convert from a string to an array\r $keywords = "'" + $keywords.$sorted.join("|") + "'.split('|')";\r\r // $encode: encoding function (used for decoding the script)\r var $encode = _encoding > 62 ? _encode95 : _getEncoder($ascii);\r $encode = String($encode).replace(/_encoding/g, "$ascii").replace(/arguments\.callee/g, "$encode");\r var $inline = "$count" + ($ascii > 10 ? ".toString($ascii)" : "");\r\r // $decode: code snippet to speed up decoding\r if (_fastDecode) {\r // create the decoder\r var $decode = _getFunctionBody(_decode);\r if (_encoding > 62) $decode = $decode.replace(/\\\\w/g, "[\\xa1-\\xff]");\r // perform the encoding inline for lower ascii values\r else if ($ascii < 36) $decode = $decode.replace($ENCODE, $inline);\r // special case: when $count==0 there are no keywords. I want to keep\r // the basic shape of the unpacking funcion so i'll frig the code...\r if (!$count) $decode = $decode.replace(_safeRegExp("($count)\\s*=\\s*1"), "$1=0");\r }\r\r // boot function\r var $unpack = String(_unpack);\r if (_fastDecode) {\r // insert the decoder\r $unpack = $unpack.replace(/\{/, "{" + $decode + ";");\r }\r $unpack = $unpack.replace(/"/g, "'");\r if (_encoding > 62) { // high-ascii\r // get rid of the word-boundaries for regexp matches\r $unpack = $unpack.replace(/'\\\\b'\s*\+|\+\s*'\\\\b'/g, "");\r }\r if ($ascii > 36 || _encoding > 62 || _fastDecode) {\r // insert the encode function\r $unpack = $unpack.replace(/\{/, "{$encode=" + $encode + ";");\r } else {\r // perform the encoding inline\r $unpack = $unpack.replace($ENCODE, $inline);\r }\r // pack the boot function too\r $unpack = pack($unpack, 0, false, true);\r\r // arguments\r var $params = [$packed, $ascii, $count, $keywords];\r if (_fastDecode) {\r // insert placeholders for the decoder\r $params = $params.concat(0, "{}");\r }\r\r // the whole thing\r return "eval(" + $unpack + "(" + $params + "))\n";\r };\r\r // mmm.. ..which one do i need ??\r function _getEncoder($ascii) {\r return $ascii > 10 ? $ascii > 36 ? $ascii > 62 ? _encode95 : _encode62 : _encode36 : _encode10;\r };\r\r // zero encoding\r // characters: 0123456789\r var _encode10 = function($charCode) {\r return $charCode;\r };\r\r // inherent base36 support\r // characters: 0123456789abcdefghijklmnopqrstuvwxyz\r var _encode36 = function($charCode) {\r return $charCode.toString(36);\r };\r\r // hitch a ride on base36 and add the upper case alpha characters\r // characters: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\r var _encode62 = function($charCode) {\r return ($charCode < _encoding ? '' : arguments.callee(parseInt($charCode / _encoding))) +\r (($charCode = $charCode % _encoding) > 35 ? String.fromCharCode($charCode + 29) : $charCode.toString(36));\r };\r\r // use high-ascii values\r var _encode95 = function($charCode) {\r return ($charCode < _encoding ? '' : arguments.callee($charCode / _encoding)) +\r String.fromCharCode($charCode % _encoding + 161);\r };\r\r // special _chars\r var _encodePrivate = function($charCode) {\r return "_" + $charCode;\r };\r\r // protect characters used by the parser\r function _escape($script) {\r return $script.replace(/([\\'])/g, "\\$1");\r };\r\r // protect high-ascii characters already in the script\r function _escape95($script) {\r return $script.replace(/[\xa1-\xff]/g, function($match) {\r return "\\x" + $match.charCodeAt(0).toString(16);\r });\r };\r\r function _safeRegExp($string, $flags) {\r return new RegExp($string.replace(/\$/g, "\\$"), $flags);\r };\r\r // extract the body of a function\r function _getFunctionBody($function) {\r with (String($function)) return slice(indexOf("{") + 1, lastIndexOf("}"));\r };\r\r // set the global flag on a RegExp (you have to create a new one)\r function _globalize($regexp) {\r return new RegExp(String($regexp).slice(1, -1), "g");\r };\r\r // build the parsing routine\r _addParser(_basicCompression);\r if (_specialChars) _addParser(_encodeSpecialChars);\r if (_encoding) _addParser(_encodeKeywords);\r\r // go!\r return _pack(_script);\r};
\ No newline at end of file
+/*
+ packer, version 2.0.2 (2005-08-19)
+ Copyright 2004-2005, Dean Edwards
+ License: http://creativecommons.org/licenses/LGPL/2.1/
+*/
+
+function pack(_script, _encoding, _fastDecode, _specialChars) {
+ // constants
+ var $IGNORE = "$1";
+
+ // validate parameters
+ _script += "\n";
+ _encoding = Math.min(parseInt(_encoding), 95);
+
+ // apply all parsing routines
+ function _pack($script) {
+ var i, $parse;
+ for (i = 0; ($parse = _parsers[i]); i++) {
+ $script = $parse($script);
+ }
+ return $script;
+ };
+
+ // unpacking function - this is the boot strap function
+ // data extracted from this packing routine is passed to
+ // this function when decoded in the target
+ var _unpack = function($packed, $ascii, $count, $keywords, $encode, $decode) {
+ while ($count--)
+ if ($keywords[$count])
+ $packed = $packed.replace(new RegExp('\\b' + $encode($count) + '\\b', 'g'), $keywords[$count]);
+ return $packed;
+ };
+
+ // code-snippet inserted into the unpacker to speed up decoding
+ var _decode = function() {
+ // does the browser support String.replace where the
+ // replacement value is a function?
+ if (!''.replace(/^/, String)) {
+ // decode all the values we need
+ while ($count--) $decode[$encode($count)] = $keywords[$count] || $encode($count);
+ // global replacement function
+ $keywords = [function($encoded){return $decode[$encoded]}];
+ // generic match
+ $encode = function(){return'\\w+'};
+ // reset the loop counter - we are now doing a global replace
+ $count = 1;
+ }
+ };
+
+ // keep a list of parsing functions, they'll be executed all at once
+ var _parsers = [];
+ function _addParser($parser) {
+ _parsers[_parsers.length] = $parser;
+ };
+
+ // zero encoding - just removal of white space and comments
+ function _basicCompression($script) {
+ var $parser = new ParseMaster;
+ // make safe
+ $parser.escapeChar = "\\";
+ // protect strings
+ $parser.add(/'[^'\n\r]*'/, $IGNORE);
+ $parser.add(/"[^"\n\r]*"/, $IGNORE);
+ // remove comments
+ $parser.add(/\/\/[^\n\r]*[\n\r]/, " ");
+ $parser.add(/\/\*[^*]*\*+([^\/][^*]*\*+)*\//, " ");
+ // protect regular expressions
+ $parser.add(/\s+(\/[^\/\n\r\*][^\/\n\r]*\/g?i?)/, "$2"); // IGNORE
+ $parser.add(/[^\w\x24\/'"*)\?:]\/[^\/\n\r\*][^\/\n\r]*\/g?i?/, $IGNORE);
+ // remove: ;;; doSomething();
+ if (_specialChars) $parser.add(/;;;[^\n\r]+[\n\r]/);
+ // remove redundant semi-colons
+ $parser.add(/\(;;\)/, $IGNORE); // protect for (;;) loops
+ $parser.add(/;+\s*([};])/, "$2");
+ // apply the above
+ $script = $parser.exec($script);
+
+ // remove white-space
+ $parser.add(/(\b|\x24)\s+(\b|\x24)/, "$2 $3");
+ $parser.add(/([+\-])\s+([+\-])/, "$2 $3");
+ $parser.add(/\s+/, "");
+ // done
+ return $parser.exec($script);
+ };
+
+ function _encodeSpecialChars($script) {
+ var $parser = new ParseMaster;
+ // replace: $name -> n, $$name -> na
+ $parser.add(/((\x24+)([a-zA-Z$_]+))(\d*)/, function($match, $offset) {
+ var $length = $match[$offset + 2].length;
+ var $start = $length - Math.max($length - $match[$offset + 3].length, 0);
+ return $match[$offset + 1].substr($start, $length) + $match[$offset + 4];
+ });
+ // replace: _name -> _0, double-underscore (__name) is ignored
+ var $regexp = /\b_[A-Za-z\d]\w*/;
+ // build the word list
+ var $keywords = _analyze($script, _globalize($regexp), _encodePrivate);
+ // quick ref
+ var $encoded = $keywords.$encoded;
+ $parser.add($regexp, function($match, $offset) {
+ return $encoded[$match[$offset]];
+ });
+ return $parser.exec($script);
+ };
+
+ function _encodeKeywords($script) {
+ // escape high-ascii values already in the script (i.e. in strings)
+ if (_encoding > 62) $script = _escape95($script);
+ // create the parser
+ var $parser = new ParseMaster;
+ var $encode = _getEncoder(_encoding);
+ // for high-ascii, don't encode single character low-ascii
+ var $regexp = (_encoding > 62) ? /\w\w+/ : /\w+/;
+ // build the word list
+ $keywords = _analyze($script, _globalize($regexp), $encode);
+ var $encoded = $keywords.$encoded;
+ // encode
+ $parser.add($regexp, function($match, $offset) {
+ return $encoded[$match[$offset]];
+ });
+ // if encoded, wrap the script in a decoding function
+ return $script && _bootStrap($parser.exec($script), $keywords);
+ };
+
+ function _analyze($script, $regexp, $encode) {
+ // analyse
+ // retreive all words in the script
+ var $all = $script.match($regexp);
+ var $$sorted = []; // list of words sorted by frequency
+ var $$encoded = {}; // dictionary of word->encoding
+ var $$protected = {}; // instances of "protected" words
+ if ($all) {
+ var $unsorted = []; // same list, not sorted
+ var $protected = {}; // "protected" words (dictionary of word->"word")
+ var $values = {}; // dictionary of charCode->encoding (eg. 256->ff)
+ var $count = {}; // word->count
+ var i = $all.length, j = 0, $word;
+ // count the occurrences - used for sorting later
+ do {
+ $word = "$" + $all[--i];
+ if (!$count[$word]) {
+ $count[$word] = 0;
+ $unsorted[j] = $word;
+ // make a dictionary of all of the protected words in this script
+ // these are words that might be mistaken for encoding
+ $protected["$" + ($values[j] = $encode(j))] = j++;
+ }
+ // increment the word counter
+ $count[$word]++;
+ } while (i);
+ // prepare to sort the word list, first we must protect
+ // words that are also used as codes. we assign them a code
+ // equivalent to the word itself.
+ // e.g. if "do" falls within our encoding range
+ // then we store keywords["do"] = "do";
+ // this avoids problems when decoding
+ i = $unsorted.length;
+ do {
+ $word = $unsorted[--i];
+ if ($protected[$word] != null) {
+ $$sorted[$protected[$word]] = $word.slice(1);
+ $$protected[$protected[$word]] = true;
+ $count[$word] = 0;
+ }
+ } while (i);
+ // sort the words by frequency
+ $unsorted.sort(function($match1, $match2) {
+ return $count[$match2] - $count[$match1];
+ });
+ j = 0;
+ // because there are "protected" words in the list
+ // we must add the sorted words around them
+ do {
+ if ($$sorted[i] == null) $$sorted[i] = $unsorted[j++].slice(1);
+ $$encoded[$$sorted[i]] = $values[i];
+ } while (++i < $unsorted.length);
+ }
+ return {$sorted: $$sorted, $encoded: $$encoded, $protected: $$protected};
+ };
+
+ // build the boot function used for loading and decoding
+ function _bootStrap($packed, $keywords) {
+ var $ENCODE = _safeRegExp("$encode\\($count\\)", "g");
+
+ // $packed: the packed script
+ $packed = "'" + _escape($packed) + "'";
+
+ // $ascii: base for encoding
+ var $ascii = Math.min($keywords.$sorted.length, _encoding) || 1;
+
+ // $count: number of words contained in the script
+ var $count = $keywords.$sorted.length;
+
+ // $keywords: list of words contained in the script
+ for (var i in $keywords.$protected) $keywords.$sorted[i] = "";
+ // convert from a string to an array
+ $keywords = "'" + $keywords.$sorted.join("|") + "'.split('|')";
+
+ // $encode: encoding function (used for decoding the script)
+ var $encode = _encoding > 62 ? _encode95 : _getEncoder($ascii);
+ $encode = String($encode).replace(/_encoding/g, "$ascii").replace(/arguments\.callee/g, "$encode");
+ var $inline = "$count" + ($ascii > 10 ? ".toString($ascii)" : "");
+
+ // $decode: code snippet to speed up decoding
+ if (_fastDecode) {
+ // create the decoder
+ var $decode = _getFunctionBody(_decode);
+ if (_encoding > 62) $decode = $decode.replace(/\\\\w/g, "[\\xa1-\\xff]");
+ // perform the encoding inline for lower ascii values
+ else if ($ascii < 36) $decode = $decode.replace($ENCODE, $inline);
+ // special case: when $count==0 there are no keywords. I want to keep
+ // the basic shape of the unpacking funcion so i'll frig the code...
+ if (!$count) $decode = $decode.replace(_safeRegExp("($count)\\s*=\\s*1"), "$1=0");
+ }
+
+ // boot function
+ var $unpack = String(_unpack);
+ if (_fastDecode) {
+ // insert the decoder
+ $unpack = $unpack.replace(/\{/, "{" + $decode + ";");
+ }
+ $unpack = $unpack.replace(/"/g, "'");
+ if (_encoding > 62) { // high-ascii
+ // get rid of the word-boundaries for regexp matches
+ $unpack = $unpack.replace(/'\\\\b'\s*\+|\+\s*'\\\\b'/g, "");
+ }
+ if ($ascii > 36 || _encoding > 62 || _fastDecode) {
+ // insert the encode function
+ $unpack = $unpack.replace(/\{/, "{$encode=" + $encode + ";");
+ } else {
+ // perform the encoding inline
+ $unpack = $unpack.replace($ENCODE, $inline);
+ }
+ // pack the boot function too
+ $unpack = pack($unpack, 0, false, true);
+
+ // arguments
+ var $params = [$packed, $ascii, $count, $keywords];
+ if (_fastDecode) {
+ // insert placeholders for the decoder
+ $params = $params.concat(0, "{}");
+ }
+
+ // the whole thing
+ return "eval(" + $unpack + "(" + $params + "))\n";
+ };
+
+ // mmm.. ..which one do i need ??
+ function _getEncoder($ascii) {
+ return $ascii > 10 ? $ascii > 36 ? $ascii > 62 ? _encode95 : _encode62 : _encode36 : _encode10;
+ };
+
+ // zero encoding
+ // characters: 0123456789
+ var _encode10 = function($charCode) {
+ return $charCode;
+ };
+
+ // inherent base36 support
+ // characters: 0123456789abcdefghijklmnopqrstuvwxyz
+ var _encode36 = function($charCode) {
+ return $charCode.toString(36);
+ };
+
+ // hitch a ride on base36 and add the upper case alpha characters
+ // characters: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
+ var _encode62 = function($charCode) {
+ return ($charCode < _encoding ? '' : arguments.callee(parseInt($charCode / _encoding))) +
+ (($charCode = $charCode % _encoding) > 35 ? String.fromCharCode($charCode + 29) : $charCode.toString(36));
+ };
+
+ // use high-ascii values
+ var _encode95 = function($charCode) {
+ return ($charCode < _encoding ? '' : arguments.callee($charCode / _encoding)) +
+ String.fromCharCode($charCode % _encoding + 161);
+ };
+
+ // special _chars
+ var _encodePrivate = function($charCode) {
+ return "_" + $charCode;
+ };
+
+ // protect characters used by the parser
+ function _escape($script) {
+ return $script.replace(/([\\'])/g, "\\$1");
+ };
+
+ // protect high-ascii characters already in the script
+ function _escape95($script) {
+ return $script.replace(/[\xa1-\xff]/g, function($match) {
+ return "\\x" + $match.charCodeAt(0).toString(16);
+ });
+ };
+
+ function _safeRegExp($string, $flags) {
+ return new RegExp($string.replace(/\$/g, "\\$"), $flags);
+ };
+
+ // extract the body of a function
+ function _getFunctionBody($function) {
+ with (String($function)) return slice(indexOf("{") + 1, lastIndexOf("}"));
+ };
+
+ // set the global flag on a RegExp (you have to create a new one)
+ function _globalize($regexp) {
+ return new RegExp(String($regexp).slice(1, -1), "g");
+ };
+
+ // build the parsing routine
+ _addParser(_basicCompression);
+ if (_specialChars) _addParser(_encodeSpecialChars);
+ if (_encoding) _addParser(_encodeKeywords);
+
+ // go!
+ return _pack(_script);
+};
git.asbjorn.biz / jquery.git / commitdiff