--- /dev/null
+/*\r
+ Packer version 3.0 (beta 5) - copyright 2004-2007, Dean Edwards\r
+ http://www.opensource.org/licenses/mit-license\r
+*/\r
+\r
+eval(base2.namespace);\r
+\r
+var IGNORE = RegGrp.IGNORE;\r
+var REMOVE = "";\r
+var SPACE = " ";\r
+var WORDS = /\w+/g;\r
+\r
+var Packer = Base.extend({\r
+ minify: function(script) {\r
+ script = script.replace(Packer.CONTINUE, "");\r
+ script = Packer.clean.exec(script);\r
+ script = Packer.whitespace.exec(script);\r
+ script = Packer.clean.exec(script); // seem to grab a few more bytes on the second pass\r
+ return script;\r
+ },\r
+ \r
+ pack: function(script, base62, shrink) {\r
+ script = this.minify(script);\r
+ if (shrink) script = this._shrinkVariables(script);\r
+ if (base62) script = this._base62Encode(script); \r
+ return script;\r
+ },\r
+ \r
+ _base62Encode: function(script) {\r
+ var words = new Words(script);\r
+ var encode = function(word) {\r
+ return words.fetch(word).encoded;\r
+ };\r
+ \r
+ /* build the packed script */\r
+ \r
+ var p = this._escape(script.replace(WORDS, encode)); \r
+ var a = Math.min(Math.max(words.count(), 2), 62); \r
+ var c = words.count(); \r
+ var k = words;\r
+ var e = Packer["ENCODE" + (a > 10 ? a > 36 ? 62 : 36 : 10)];\r
+ var r = a > 10 ? "e(c)" : "c";\r
+ \r
+ // the whole thing\r
+ return format(Packer.UNPACK, p,a,c,k,e,r);\r
+ },\r
+ \r
+ _escape: function(script) {\r
+ // single quotes wrap the final string so escape them\r
+ // also escape new lines required by conditional comments\r
+ return script.replace(/([\\'])/g, "\\$1").replace(/[\r\n]+/g, "\\n");\r
+ },\r
+ \r
+ _shrinkVariables: function(script) {\r
+ // Windows Scripting Host cannot do regexp.test() on global regexps.\r
+ var global = function(regexp) {\r
+ // This function creates a global version of the passed regexp.\r
+ return new RegExp(regexp.source, "g");\r
+ };\r
+ \r
+ var data = []; // encoded strings and regular expressions\r
+ var store = function(string) {\r
+ var replacement = "#" + data.length;\r
+ data.push(string);\r
+ return replacement;\r
+ };\r
+ \r
+ // Base52 encoding (a-Z)\r
+ var encode52 = function(c) {\r
+ return (c < 52 ? '' : arguments.callee(parseInt(c / 52))) +\r
+ ((c = c % 52) > 25 ? String.fromCharCode(c + 39) : String.fromCharCode(c + 97));\r
+ };\r
+ \r
+ // identify blocks, particularly identify function blocks (which define scope)\r
+ var BLOCK = /(function\s*[\w$]*\s*\(\s*([^\)]*)\s*\)\s*)?(\{([^{}]*)\})/;\r
+ var VAR_ = /var\s+/g;\r
+ var VAR_NAME = /var\s+[\w$]{2,}/g; // > 1 char\r
+ var COMMA = /\s*,\s*/;\r
+ var blocks = []; // store program blocks (anything between braces {})\r
+ // encoder for program blocks\r
+ var encode = function(block, func, args) {\r
+ if (func) { // the block is a function block\r
+ \r
+ // decode the function block (THIS IS THE IMPORTANT BIT)\r
+ // We are retrieving all sub-blocks and will re-parse them in light\r
+ // of newly shrunk variables\r
+ block = decode(block);\r
+ \r
+ // create the list of variable and argument names \r
+ var vars = match(block, VAR_NAME).join(",").replace(VAR_, "");\r
+ var ids = Array2.combine(args.split(COMMA).concat(vars.split(COMMA)));\r
+ \r
+ // process each identifier\r
+ var count = 0, shortId;\r
+ forEach (ids, function(id) {\r
+ id = rescape(trim(id));\r
+ if (id) {\r
+ // find the next free short name (check everything in the current scope)\r
+ do shortId = encode52(count++);\r
+ while (new RegExp("[^\\w$.]" + shortId + "[^\\w$:]").test(block));\r
+ // replace the long name with the short name\r
+ var reg = new RegExp("([^\\w$.])" + id + "([^\\w$:])");\r
+ while (reg.test(block)) block = block.replace(global(reg), "$1" + shortId + "$2");\r
+ var reg = new RegExp("([^{,])" + id + ":", "g");\r
+ block = block.replace(reg, "$1" + shortId + ":");\r
+ }\r
+ });\r
+ }\r
+ var replacement = "~" + blocks.length;\r
+ blocks.push(block);\r
+ return replacement;\r
+ };\r
+ \r
+ // decoder for program blocks\r
+ var ENCODED = /~(\d+)/;\r
+ var decode = function(script) {\r
+ while (ENCODED.test(script)) {\r
+ script = script.replace(global(ENCODED), function(match, index) {\r
+ return blocks[index];\r
+ });\r
+ }\r
+ return script;\r
+ };\r
+ \r
+ // encode strings and regular expressions\r
+ script = Packer.data.exec(script, store);\r
+ \r
+ // remove closures (this is for base2 namespaces only)\r
+ script = script.replace(/new function\(_\)\s*\{/g, "{;#;");\r
+ \r
+ // encode blocks, as we encode we replace variable and argument names\r
+ while (BLOCK.test(script)) {\r
+ script = script.replace(global(BLOCK), encode);\r
+ }\r
+ \r
+ // put the blocks back\r
+ script = decode(script);\r
+ \r
+ // put back the closure (for base2 namespaces only)\r
+ script = script.replace(/\{;#;/g, "new function(_){");\r
+ \r
+ // put strings and regular expressions back\r
+ script = script.replace(/#(\d+)/g, function(match, index) { \r
+ return data[index];\r
+ });\r
+ \r
+ return script;\r
+ }\r
+}, {\r
+ CONTINUE: /\\\r?\n/g,\r
+ \r
+ ENCODE10: "String",\r
+ ENCODE36: "function(c){return c.toString(a)}",\r
+ ENCODE62: "function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))}",\r
+ \r
+ UNPACK: "eval(function(p,a,c,k,e,r){e=%5;if(!''.replace(/^/,String)){while(c--)r[%6]=k[c]" +\r
+ "||%6;k=[function(e){return r[e]}];e=function(){return'\\\\w+'};c=1};while(c--)if(k[c])p=p." +\r
+ "replace(new RegExp('\\\\b'+e(c)+'\\\\b','g'),k[c]);return p}('%1',%2,%3,'%4'.split('|'),0,{}))",\r
+ \r
+ init: function() {\r
+ this.data = reduce(this.data, new RegGrp, function(data, replacement, expression) {\r
+ data.store(this.javascript.exec(expression), replacement);\r
+ return data;\r
+ }, this);\r
+ this.clean = this.data.union(this.clean);\r
+ this.whitespace = this.data.union(this.whitespace);\r
+ },\r
+ \r
+ clean: {\r
+ ";;;[^\\n]*": REMOVE, // triple semi-colons treated like line comments\r
+ "\\(\\s*;\\s*;\\s*\\)": "(;;)", // for (;;) loops\r
+ "throw[^};]+[};]": IGNORE, // a safari 1.3 bug\r
+ ";+\\s*([};])": "$1"\r
+ },\r
+ \r
+ data: {\r
+ // strings\r
+ "STRING1": IGNORE,\r
+ 'STRING2': IGNORE,\r
+ "CONDITIONAL": IGNORE, // conditional comments\r
+ "(COMMENT1)\\n\\s*(REGEXP)?": "\n$2",\r
+ "(COMMENT2)\\s*(REGEXP)?": " $3",\r
+ "COMMENT1$": REMOVE,\r
+ "([\\[(\\^=,{}:;&|!*?])\\s*(REGEXP)": "$1$2"\r
+ },\r
+ \r
+ javascript: new RegGrp({\r
+ COMMENT1: /\/\/[^\n]*/.source,\r
+ COMMENT2: /\/\*[^*]*\*+([^\/][^*]*\*+)*\//.source,\r
+ CONDITIONAL: /\/\*@|@\*\/|\/\/@[^\n]*\n/.source,\r
+ REGEXP: /\/(\\\/|[^*\/])(\\.|[^\/\n\\])*\//.source,\r
+ STRING1: /'(\\.|[^'\\])*'/.source,\r
+ STRING2: /"(\\.|[^"\\])*"/.source\r
+ }),\r
+ \r
+ whitespace: {\r
+ "(\\d)\\s+(\\.\\s*[a-z\\$_\\[(])": "$1 $2", // http://dean.edwards.name/weblog/2007/04/packer3/#comment84066\r
+ "([+-])\\s+([+-])": "$1 $2", // c = a++ +b;\r
+ "\\b\\s+\\$\\s+\\b": " $ ", // var $ in\r
+ "\\$\\s+\\b": "$ ", // object$ in\r
+ "\\b\\s+\\$": " $", // return $object\r
+ "\\b\\s+\\b": SPACE,\r
+ "\\s+": REMOVE\r
+ }\r
+});\r
git.asbjorn.biz / jquery.git / blobdiff