packer-p.js

/*
  base2 - copyright 2007-2009, Dean Edwards
  http://code.google.com/p/base2/
  http://www.opensource.org/licenses/mit-license.php

  Contributors:
    Doeke Zanstra
*/
new function(){new base2.Package(this,{imports:"Function2,Enumerable"});eval(this.imports);var i=RegGrp.IGNORE;var S="~";var A="";var F=" ";var p=RegGrp.extend({put:function(a,c){if(typeOf(a)=="string"){a=p.dictionary.exec(a)}this.base(a,c)}},{dictionary:new RegGrp({OPERATOR:/return|typeof|[\[(\^=,{}:;&|!*?]/.source,CONDITIONAL:/\/\*@\w*|\w*@\*\/|\/\/@\w*|@\w+/.source,COMMENT1:/\/\/[^\n]*/.source,COMMENT2:/\/\*[^*]*\*+([^\/][^*]*\*+)*\//.source,REGEXP:/\/(\\[\/\\]|[^*\/])(\\.|[^\/\n\\])*\/[gim]*/.source,STRING1:/'(\\.|[^'\\])*'/.source,STRING2:/"(\\.|[^"\\])*"/.source})});var B=Collection.extend({add:function(a){if(!this.has(a))this.base(a);a=this.get(a);if(!a.index){a.index=this.size()}a.count++;return a},sort:function(d){return this.base(d||function(a,c){return(c.count-a.count)||(a.index-c.index)})}},{Item:{constructor:function(a){this.toString=K(a)},index:0,count:0,encoded:""}});var v=Base.extend({constructor:function(a,c,d){this.parser=new p(d);if(a)this.parser.put(a,"");this.encoder=c},parser:null,encoder:Undefined,search:function(c){var d=new B;this.parser.putAt(-1,function(a){d.add(a)});this.parser.exec(c);return d},encode:function(c){var d=this.search(c);d.sort();var b=0;forEach(d,function(a){a.encoded=this.encoder(b++)},this);this.parser.putAt(-1,function(a){return d.get(a).encoded});return this.parser.exec(c)}});var w=v.extend({constructor:function(){return this.base(w.PATTERN,function(a){return"_"+Packer.encode62(a)},w.IGNORE)},search:function(a){var c=this.base(a),d=c.get("_private");if(d)d.count=99999;return c}},{IGNORE:{CONDITIONAL:i,"(OPERATOR)(REGEXP)":i},PATTERN:/\b_[\da-zA-Z$][\w$]*\b/g});var q=v.extend({encode:function(d){var b=this.search(d);b.sort();var f=new Collection;var e=b.size();for(var h=0;h<e;h++){f.put(Packer.encode62(h),h)}function C(a){return b["#"+a].replacement};var k=K("");var l=0;forEach(b,function(a){if(f.has(a)){a.index=f.get(a);a.toString=k}else{while(b.has(Packer.encode62(l)))l++;a.index=l++;if(a.count==1){a.toString=k}}a.replacement=Packer.encode62(a.index);if(a.replacement.length==a.toString().length){a.toString=k}});b.sort(function(a,c){return a.index-c.index});b=b.slice(0,this.getKeyWords(b).split("|").length);d=d.replace(this.getPattern(b),C);var r=this.escape(d);var m="[]";var t=this.getCount(b);var g=this.getKeyWords(b);var n=this.getEncoder(b);var u=this.getDecoder(b);return format(q.UNPACK,r,m,t,g,n,u)},search:function(a){var c=new B;forEach(a.match(q.WORDS),c.add,c);return c},escape:function(a){return a.replace(/([\\'])/g,"\\$1").replace(/[\r\n]+/g,"\\n")},getCount:function(a){return a.size()||1},getDecoder:function(c){var d=new RegGrp({"(\\d)(\\|\\d)+\\|(\\d)":"$1-$3","([a-z])(\\|[a-z])+\\|([a-z])":"$1-$3","([A-Z])(\\|[A-Z])+\\|([A-Z])":"$1-$3","\\|":""});var b=d.exec(c.map(function(a){if(a.toString())return a.replacement;return""}).slice(0,62).join("|"));if(!b)return"^$";b="["+b+"]";var f=c.size();if(f>62){b="("+b+"|";var e=Packer.encode62(f).charAt(0);if(e>"9"){b+="[\\\\d";if(e>="a"){b+="a";if(e>="z"){b+="-z";if(e>="A"){b+="A";if(e>"A")b+="-"+e}}else if(e=="b"){b+="-"+e}}b+="]"}else if(e==9){b+="\\\\d"}else if(e==2){b+="[12]"}else if(e==1){b+="1"}else{b+="[1-"+e+"]"}b+="\\\\w)"}return b},getEncoder:function(a){var c=a.size();return q["ENCODE"+(c>10?c>36?62:36:10)]},getKeyWords:function(a){return a.map(String).join("|").replace(/\|+$/,"")},getPattern:function(a){a=a.map(String).join("|").replace(/\|{2,}/g,"|").replace(/^\|+|\|+$/g,"")||"\\x0";return new RegExp("\\b("+a+")\\b","g")}},{WORDS:/\b[\da-zA-Z]\b|\w{2,}/g,ENCODE10:"String",ENCODE36:"function(c){return c.toString(36)}",ENCODE62:"function(c){return(c<62?'':e(parseInt(c/62)))+((c=c%62)>35?String.fromCharCode(c+29):c.toString(36))}",UNPACK:"eval(function(p,a,c,k,e,r){e=%5;if('0'.replace(0,e)==0){while(c--)r[e(c)]=k[c];k=[function(e){return r[e]||e}];e=function(){return'%6'};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,{}))"});global.Packer=Base.extend({constructor:function(){this.minifier=new j;this.shrinker=new o;this.privates=new w;this.base62=new q},minifier:null,shrinker:null,privates:null,base62:null,pack:function(a,c,d,b){a=this.minifier.minify(a);if(d)a=this.shrinker.shrink(a);if(b)a=this.privates.encode(a);if(c)a=this.base62.encode(a);return a}},{version:"3.1",init:function(){eval("var e=this.encode62="+q.ENCODE62)},data:new p({"STRING1":i,'STRING2':i,"CONDITIONAL":i,"(OPERATOR)\\s*(REGEXP)":"$1$2"}),encode52:function(c){function d(a){return(a<52?'':d(parseInt(a/52)))+((a=a%52)>25?String.fromCharCode(a+39):String.fromCharCode(a+97))};var b=d(c);if(/^(do|if|in)$/.test(b))b=b.slice(1)+0;return b}});var j=Base.extend({minify:function(a){a+="\n";a=a.replace(j.CONTINUE,"");a=j.comments.exec(a);a=j.clean.exec(a);a=j.whitespace.exec(a);a=j.concat.exec(a);return a}},{CONTINUE:/\\\r?\n/g,init:function(){this.concat=new p(this.concat).merge(Packer.data);extend(this.concat,"exec",function(a){var c=this.base(a);while(c!=a){a=c;c=this.base(a)}return c});forEach.csv("comments,clean,whitespace",function(a){this[a]=Packer.data.union(new p(this[a]))},this);this.conditionalComments=this.comments.copy();this.conditionalComments.putAt(-1," $3");this.whitespace.removeAt(2);this.comments.removeAt(2)},clean:{"\\(\\s*([^;)]*)\\s*;\\s*([^;)]*)\\s*;\\s*([^;)]*)\\)":"($1;$2;$3)","throw[^};]+[};]":i,";+\\s*([};])":"$1"},comments:{";;;[^\\n]*\\n":A,"(COMMENT1)\\n\\s*(REGEXP)?":"\n$3","(COMMENT2)\\s*(REGEXP)?":function(a,c,d,b){if(/^\/\*@/.test(c)&&/@\*\/$/.test(c)){c=j.conditionalComments.exec(c)}else{c=""}return c+" "+(b||"")}},concat:{"(STRING1)\\+(STRING1)":function(a,c,d,b){return c.slice(0,-1)+b.slice(1)},"(STRING2)\\+(STRING2)":function(a,c,d,b){return c.slice(0,-1)+b.slice(1)}},whitespace:{"\\/\\/@[^\\n]*\\n":i,"@\\s+\\b":"@ ","\\b\\s+@":" @","(\\d)\\s+(\\.\\s*[a-z\\$_\\[(])":"$1 $2","([+-])\\s+([+-])":"$1 $2","(\\w)\\s+([\\u0080-\\uffff])":"$1 $2","\\b\\s+\\$\\s+\\b":" $ ","\\$\\s+\\b":"$ ","\\b\\s+\\$":" $","\\b\\s+\\b":F,"\\s+":A}});var o=Base.extend({decodeData:function(d){var b=this._data;delete this._data;return d.replace(o.ENCODED_DATA,function(a,c){return b[c]})},encodeData:function(f){var e=this._data=[];return Packer.data.exec(f,function(a,c,d){var b="\x01"+e.length+"\x01";if(d){b=c+b;a=d}e.push(a);return b})},shrink:function(g){g=this.encodeData(g);function n(a){return new RegExp(a.source,"g")};var u=/((catch|do|if|while|with|function)\b[^~{};]*(\(\s*[^{};]*\s*\))\s*)?(\{[^{}]*\})/;var G=n(u);var x=/\{[^{}]*\}|\[[^\[\]]*\]|\([^\(\)]*\)|~[^~]+~/;var H=n(x);var D=/~#?(\d+)~/;var I=/[a-zA-Z_$][\w\$]*/g;var J=/~#(\d+)~/;var L=/\bvar\b/g;var M=/\bvar\s+[\w$]+[^;#]*|\bfunction\s+[\w$]+/g;var N=/\b(var|function)\b|\sin\s+[^;]+/g;var O=/\s*=[^,;]*/g;var s=[];var E=0;function P(a,c,d,b,f){if(!c)c="";if(d=="function"){f=b+y(f,J);c=c.replace(x,"");b=b.slice(1,-1);if(b!="_no_shrink_"){var e=match(f,M).join(";").replace(L,";var");while(x.test(e)){e=e.replace(H,"")}e=e.replace(N,"").replace(O,"")}f=y(f,D);if(b!="_no_shrink_"){var h=0,C;var k=match([b,e],I);var l={};for(var r=0;r<k.length;r++){id=k[r];if(!l["#"+id]){l["#"+id]=true;id=rescape(id);while(new RegExp(o.PREFIX+h+"\\b").test(f))h++;var m=new RegExp("([^\\w$.])"+id+"([^\\w$:])");while(m.test(f)){f=f.replace(n(m),"$1"+o.PREFIX+h+"$2")}var m=new RegExp("([^{,\\w$.])"+id+":","g");f=f.replace(m,"$1"+o.PREFIX+h+":");h++}}E=Math.max(E,h)}var t=c+"~"+s.length+"~";s.push(f)}else{var t="~#"+s.length+"~";s.push(c+f)}return t};function y(d,b){while(b.test(d)){d=d.replace(n(b),function(a,c){return s[c]})}return d};while(u.test(g)){g=g.replace(G,P)}g=y(g,D);var z,Q=0;var R=new v(o.SHRUNK,function(){do z=Packer.encode52(Q++);while(new RegExp("[^\\w$.]"+z+"[^\\w$:]").test(g));return z});g=R.encode(g);return this.decodeData(g)}},{ENCODED_DATA:/\x01(\d+)\x01/g,PREFIX:"\x02",SHRUNK:/\x02\d+\b/g})};