Project

General

Profile

Statistics
| Revision:

root / trunk / web / dojo / dojox / lang / functional / listcomp.js

History | View | Annotate | Download (937 Bytes)

1
/*
2
        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
3
        Available via Academic Free License >= 2.1 OR the modified BSD license.
4
        see: http://dojotoolkit.org/license for details
5
*/
6

    
7

    
8
if(!dojo._hasResource["dojox.lang.functional.listcomp"]){
9
dojo._hasResource["dojox.lang.functional.listcomp"]=true;
10
dojo.provide("dojox.lang.functional.listcomp");
11
(function(){
12
var _1=/\bfor\b|\bif\b/gm;
13
var _2=function(s){
14
var _3=s.split(_1),_4=s.match(_1),_5=["var r = [];"],_6=[],i=0,l=_4.length;
15
while(i<l){
16
var a=_4[i],f=_3[++i];
17
if(a=="for"&&!/^\s*\(\s*(;|var)/.test(f)){
18
f=f.replace(/^\s*\(/,"(var ");
19
}
20
_5.push(a,f,"{");
21
_6.push("}");
22
}
23
return _5.join("")+"r.push("+_3[0]+");"+_6.join("")+"return r;";
24
};
25
dojo.mixin(dojox.lang.functional,{buildListcomp:function(s){
26
return "function(){"+_2(s)+"}";
27
},compileListcomp:function(s){
28
return new Function([],_2(s));
29
},listcomp:function(s){
30
return (new Function([],_2(s)))();
31
}});
32
})();
33
}