root / trunk / web / dojo / dojox / lang / functional / reversed.js @ 10
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.lang.functional.reversed"]){ |
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| 9 | dojo._hasResource["dojox.lang.functional.reversed"]=true; |
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| 10 | dojo.provide("dojox.lang.functional.reversed");
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| 11 | dojo.require("dojox.lang.functional.lambda");
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| 12 | (function(){
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| 13 | var d=dojo,df=dojox.lang.functional;
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| 14 | d.mixin(df,{filterRev:function(a,f,o){
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| 15 | if(typeof a=="string"){ |
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| 16 | a=a.split("");
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| 17 | } |
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| 18 | o=o||d.global; |
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| 19 | f=df.lambda(f); |
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| 20 | var t=[],v,i=a.length-1; |
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| 21 | for(;i>=0;--i){ |
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| 22 | v=a[i]; |
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| 23 | if(f.call(o,v,i,a)){
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| 24 | t.push(v); |
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| 25 | } |
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| 26 | } |
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| 27 | return t;
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| 28 | },forEachRev:function(a,f,o){ |
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| 29 | if(typeof a=="string"){ |
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| 30 | a=a.split("");
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| 31 | } |
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| 32 | o=o||d.global; |
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| 33 | f=df.lambda(f); |
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| 34 | for(var i=a.length-1;i>=0;f.call(o,a[i],i,a),--i){ |
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| 35 | } |
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| 36 | },mapRev:function(a,f,o){ |
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| 37 | if(typeof a=="string"){ |
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| 38 | a=a.split("");
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| 39 | } |
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| 40 | o=o||d.global; |
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| 41 | f=df.lambda(f); |
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| 42 | var n=a.length,t=new Array(n),i=n-1,j=0; |
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| 43 | for(;i>=0;t[j++]=f.call(o,a[i],i,a),--i){ |
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| 44 | } |
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| 45 | return t;
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| 46 | },everyRev:function(a,f,o){ |
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| 47 | if(typeof a=="string"){ |
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| 48 | a=a.split("");
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| 49 | } |
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| 50 | o=o||d.global; |
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| 51 | f=df.lambda(f); |
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| 52 | for(var i=a.length-1;i>=0;--i){ |
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| 53 | if(!f.call(o,a[i],i,a)){
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| 54 | return false; |
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| 55 | } |
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| 56 | } |
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| 57 | return true; |
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| 58 | },someRev:function(a,f,o){ |
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| 59 | if(typeof a=="string"){ |
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| 60 | a=a.split("");
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| 61 | } |
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| 62 | o=o||d.global; |
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| 63 | f=df.lambda(f); |
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| 64 | for(var i=a.length-1;i>=0;--i){ |
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| 65 | if(f.call(o,a[i],i,a)){
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| 66 | return true; |
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| 67 | } |
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| 68 | } |
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| 69 | return false; |
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| 70 | }}); |
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| 71 | })(); |
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| 72 | } |