X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=build%2Fjs%2FPacker.js;fp=build%2Fjs%2FPacker.js;h=0000000000000000000000000000000000000000;hp=88c47d0f42862e4f1027aa3d1bd4486a3ad8ada9;hb=cd05cac37f8e63608496788fc7afa5400c18752e;hpb=1ef930b3845248379f37a6b26c826122e9f65932 diff --git a/build/js/Packer.js b/build/js/Packer.js deleted file mode 100644 index 88c47d0..0000000 --- a/build/js/Packer.js +++ /dev/null @@ -1,209 +0,0 @@ -/* - Packer version 3.0 (beta 8) - copyright 2004-2007, Dean Edwards - http://www.opensource.org/licenses/mit-license -*/ - -eval(base2.namespace); - -var IGNORE = RegGrp.IGNORE; -var REMOVE = ""; -var SPACE = " "; -var WORDS = /\w+/g; - -var Packer = Base.extend({ - minify: function(script) { - script = script.replace(Packer.CONTINUE, ""); - script = Packer.data.exec(script); - script = Packer.whitespace.exec(script); - script = Packer.clean.exec(script); - return script; - }, - - pack: function(script, base62, shrink) { - script = this.minify(script + "\n"); - if (shrink) script = this._shrinkVariables(script); - if (base62) script = this._base62Encode(script); - return script; - }, - - _base62Encode: function(script) { - var words = new Words(script); - var encode = function(word) { - return words.fetch(word).encoded; - }; - - /* build the packed script */ - - var p = this._escape(script.replace(WORDS, encode)); - var a = Math.min(Math.max(words.count(), 2), 62); - var c = words.count(); - var k = words; - var e = Packer["ENCODE" + (a > 10 ? a > 36 ? 62 : 36 : 10)]; - var r = a > 10 ? "e(c)" : "c"; - - // the whole thing - return format(Packer.UNPACK, p,a,c,k,e,r); - }, - - _escape: function(script) { - // single quotes wrap the final string so escape them - // also escape new lines required by conditional comments - return script.replace(/([\\'])/g, "\\$1").replace(/[\r\n]+/g, "\\n"); - }, - - _shrinkVariables: function(script) { - // Windows Scripting Host cannot do regexp.test() on global regexps. - var global = function(regexp) { - // This function creates a global version of the passed regexp. - return new RegExp(regexp.source, "g"); - }; - - var data = []; // encoded strings and regular expressions - var REGEXP = /^[^'"]\//; - var store = function(string) { - var replacement = "#" + data.length; - if (REGEXP.test(string)) { - replacement = string.charAt(0) + replacement; - string = string.slice(1); - } - data.push(string); - return replacement; - }; - - // Base52 encoding (a-Z) - var encode52 = function(c) { - return (c < 52 ? '' : arguments.callee(parseInt(c / 52))) + - ((c = c % 52) > 25 ? String.fromCharCode(c + 39) : String.fromCharCode(c + 97)); - }; - - // identify blocks, particularly identify function blocks (which define scope) - var BLOCK = /(function\s*[\w$]*\s*\(\s*([^\)]*)\s*\)\s*)?(\{([^{}]*)\})/; - var VAR_ = /var\s+/g; - var VAR_NAME = /var\s+[\w$]+/g; - var COMMA = /\s*,\s*/; - var blocks = []; // store program blocks (anything between braces {}) - // encoder for program blocks - var encode = function(block, func, args) { - if (func) { // the block is a function block - - // decode the function block (THIS IS THE IMPORTANT BIT) - // We are retrieving all sub-blocks and will re-parse them in light - // of newly shrunk variables - block = decode(block); - - // create the list of variable and argument names - var vars = match(block, VAR_NAME).join(",").replace(VAR_, ""); - var ids = Array2.combine(args.split(COMMA).concat(vars.split(COMMA))); - - // process each identifier - var count = 0, shortId; - forEach (ids, function(id) { - id = trim(id); - if (id && id.length > 1) { // > 1 char - id = rescape(id); - // find the next free short name (check everything in the current scope) - do shortId = encode52(count++); - while (new RegExp("[^\\w$.]" + shortId + "[^\\w$:]").test(block)); - // replace the long name with the short name - var reg = new RegExp("([^\\w$.])" + id + "([^\\w$:])"); - while (reg.test(block)) block = block.replace(global(reg), "$1" + shortId + "$2"); - var reg = new RegExp("([^{,])" + id + ":", "g"); - block = block.replace(reg, "$1" + shortId + ":"); - } - }); - } - var replacement = "~" + blocks.length + "~"; - blocks.push(block); - return replacement; - }; - - // decoder for program blocks - var ENCODED = /~(\d+)~/; - var decode = function(script) { - while (ENCODED.test(script)) { - script = script.replace(global(ENCODED), function(match, index) { - return blocks[index]; - }); - } - return script; - }; - - // encode strings and regular expressions - script = Packer.data.exec(script, store); - - // remove closures (this is for base2 namespaces only) - script = script.replace(/new function\(_\)\s*\{/g, "{;#;"); - - // encode blocks, as we encode we replace variable and argument names - while (BLOCK.test(script)) { - script = script.replace(global(BLOCK), encode); - } - - // put the blocks back - script = decode(script); - - // put back the closure (for base2 namespaces only) - script = script.replace(/\{;#;/g, "new function(_){"); - - // put strings and regular expressions back - script = script.replace(/#(\d+)/g, function(match, index) { - return data[index]; - }); - - return script; - } -}, { - CONTINUE: /\\\r?\n/g, - - ENCODE10: "String", - ENCODE36: "function(c){return c.toString(a)}", - ENCODE62: "function(c){return(c35?String.fromCharCode(c+29):c.toString(36))}", - - UNPACK: "eval(function(p,a,c,k,e,r){e=%5;if(!''.replace(/^/,String)){while(c--)r[%6]=k[c]" + - "||%6;k=[function(e){return r[e]}];e=function(){return'\\\\w+'};c=1};while(c--)if(k[c])p=p." + - "replace(new RegExp('\\\\b'+e(c)+'\\\\b','g'),k[c]);return p}('%1',%2,%3,'%4'.split('|'),0,{}))", - - init: function() { - this.data = reduce(this.data, function(data, replacement, expression) { - data.store(this.javascript.exec(expression), replacement); - return data; - }, new RegGrp, this); - this.clean = this.data.union(this.clean); - this.whitespace = this.data.union(this.whitespace); - }, - - clean: { - "\\(\\s*;\\s*;\\s*\\)": "(;;)", // for (;;) loops - "throw[^};]+[};]": IGNORE, // a safari 1.3 bug - ";+\\s*([};])": "$1" - }, - - data: { - // strings - "STRING1": IGNORE, - 'STRING2': IGNORE, - "CONDITIONAL": IGNORE, // conditional comments - "(COMMENT1)\\n\\s*(REGEXP)?": "\n$3", - "(COMMENT2)\\s*(REGEXP)?": " $3", - "([\\[(\\^=,{}:;&|!*?])\\s*(REGEXP)": "$1$2" - }, - - javascript: new RegGrp({ - COMMENT1: /(\/\/|;;;)[^\n]*/.source, - COMMENT2: /\/\*[^*]*\*+([^\/][^*]*\*+)*\//.source, - CONDITIONAL: /\/\*@|@\*\/|\/\/@[^\n]*\n/.source, - REGEXP: /\/(\\[\/\\]|[^*\/])(\\.|[^\/\n\\])*\/[gim]*/.source, - STRING1: /'(\\.|[^'\\])*'/.source, - STRING2: /"(\\.|[^"\\])*"/.source - }), - - whitespace: { - "(\\d)\\s+(\\.\\s*[a-z\\$_\\[(])": "$1 $2", // http://dean.edwards.name/weblog/2007/04/packer3/#comment84066 - "([+-])\\s+([+-])": "$1 $2", // c = a++ +b; - "\\b\\s+\\$\\s+\\b": " $ ", // var $ in - "\\$\\s+\\b": "$ ", // object$ in - "\\b\\s+\\$": " $", // return $object - "\\b\\s+\\b": SPACE, - "\\s+": REMOVE - } -});