root / trunk / web / dojo / dojox / lang / functional / reversed.js @ 12
History | View | Annotate | Download (1.37 KB)
| 1 | 9 | andrej.cim | /*
|
|---|---|---|---|
| 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.reversed"]){ |
||
| 9 | dojo._hasResource["dojox.lang.functional.reversed"]=true; |
||
| 10 | dojo.provide("dojox.lang.functional.reversed");
|
||
| 11 | dojo.require("dojox.lang.functional.lambda");
|
||
| 12 | (function(){
|
||
| 13 | var d=dojo,df=dojox.lang.functional;
|
||
| 14 | d.mixin(df,{filterRev:function(a,f,o){
|
||
| 15 | if(typeof a=="string"){ |
||
| 16 | a=a.split("");
|
||
| 17 | } |
||
| 18 | o=o||d.global; |
||
| 19 | f=df.lambda(f); |
||
| 20 | var t=[],v,i=a.length-1; |
||
| 21 | for(;i>=0;--i){ |
||
| 22 | v=a[i]; |
||
| 23 | if(f.call(o,v,i,a)){
|
||
| 24 | t.push(v); |
||
| 25 | } |
||
| 26 | } |
||
| 27 | return t;
|
||
| 28 | },forEachRev:function(a,f,o){ |
||
| 29 | if(typeof a=="string"){ |
||
| 30 | a=a.split("");
|
||
| 31 | } |
||
| 32 | o=o||d.global; |
||
| 33 | f=df.lambda(f); |
||
| 34 | for(var i=a.length-1;i>=0;f.call(o,a[i],i,a),--i){ |
||
| 35 | } |
||
| 36 | },mapRev:function(a,f,o){ |
||
| 37 | if(typeof a=="string"){ |
||
| 38 | a=a.split("");
|
||
| 39 | } |
||
| 40 | o=o||d.global; |
||
| 41 | f=df.lambda(f); |
||
| 42 | var n=a.length,t=new Array(n),i=n-1,j=0; |
||
| 43 | for(;i>=0;t[j++]=f.call(o,a[i],i,a),--i){ |
||
| 44 | } |
||
| 45 | return t;
|
||
| 46 | },everyRev:function(a,f,o){ |
||
| 47 | if(typeof a=="string"){ |
||
| 48 | a=a.split("");
|
||
| 49 | } |
||
| 50 | o=o||d.global; |
||
| 51 | f=df.lambda(f); |
||
| 52 | for(var i=a.length-1;i>=0;--i){ |
||
| 53 | if(!f.call(o,a[i],i,a)){
|
||
| 54 | return false; |
||
| 55 | } |
||
| 56 | } |
||
| 57 | return true; |
||
| 58 | },someRev:function(a,f,o){ |
||
| 59 | if(typeof a=="string"){ |
||
| 60 | a=a.split("");
|
||
| 61 | } |
||
| 62 | o=o||d.global; |
||
| 63 | f=df.lambda(f); |
||
| 64 | for(var i=a.length-1;i>=0;--i){ |
||
| 65 | if(f.call(o,a[i],i,a)){
|
||
| 66 | return true; |
||
| 67 | } |
||
| 68 | } |
||
| 69 | return false; |
||
| 70 | }}); |
||
| 71 | })(); |
||
| 72 | } |