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author | 2008-11-13 09:49:11 +0000 | |
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committer | 2008-11-13 09:49:11 +0000 | |
commit | e44a7e37b6c7b5961adaffc62b9042b8d442938e (patch) | |
tree | 95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/lang/functional/array.js | |
parent | a62b9742ee5e28bcec6872d88f50f25b820914f6 (diff) | |
download | scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.zip |
New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'includes/js/dojox/lang/functional/array.js')
-rw-r--r-- | includes/js/dojox/lang/functional/array.js | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/includes/js/dojox/lang/functional/array.js b/includes/js/dojox/lang/functional/array.js new file mode 100644 index 0000000..45c2613 --- /dev/null +++ b/includes/js/dojox/lang/functional/array.js @@ -0,0 +1,113 @@ +if(!dojo._hasResource["dojox.lang.functional.array"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojox.lang.functional.array"] = true; +dojo.provide("dojox.lang.functional.array"); + +dojo.require("dojox.lang.functional.lambda"); + +// This module adds high-level functions and related constructs: +// - array-processing functions similar to standard JS functions + +// Notes: +// - this module provides JS standard methods similar to high-level functions in dojo/_base/array.js: +// forEach, map, filter, every, some + +// Defined methods: +// - take any valid lambda argument as the functional argument +// - operate on dense arrays +// - take a string as the array argument +// - take an iterator objects as the array argument + +(function(){ + var d = dojo, df = dojox.lang.functional; + + d.mixin(df, { + // JS 1.6 standard array functions, which can take a lambda as a parameter. + // Consider using dojo._base.array functions, if you don't need the lambda support. + filter: function(/*Array|String|Object*/ a, /*Function|String|Array*/ f, /*Object?*/ o){ + // summary: creates a new array with all elements that pass the test + // implemented by the provided function. + if(typeof a == "string"){ a = a.split(""); } + o = o || d.global; f = df.lambda(f); + var t = [], v; + if(d.isArray(a)){ + for(var i = 0, n = a.length; i < n; ++i){ + v = a[i]; + if(f.call(o, v, i, a)){ t.push(v); } + } + }else{ + for(var i = 0; a.hasNext();){ + v = a.next(); + if(f.call(o, v, i++)){ t.push(v); } + } + } + return t; // Array + }, + forEach: function(/*Array|String|Object*/ a, /*Function|String|Array*/ f, /*Object?*/ o){ + // summary: executes a provided function once per array element. + if(typeof a == "string"){ a = a.split(""); } + o = o || d.global; f = df.lambda(f); + if(d.isArray(a)){ + for(var i = 0, n = a.length; i < n; f.call(o, a[i], i, a), ++i); + }else{ + for(var i = 0; a.hasNext(); f.call(o, a.next(), i++)); + } + }, + map: function(/*Array|String|Object*/ a, /*Function|String|Array*/ f, /*Object?*/ o){ + // summary: creates a new array with the results of calling + // a provided function on every element in this array. + if(typeof a == "string"){ a = a.split(""); } + o = o || d.global; f = df.lambda(f); + var t, n; + if(d.isArray(a)){ + t = new Array(n = a.length); + for(var i = 0; i < n; t[i] = f.call(o, a[i], i, a), ++i); + }else{ + t = []; + for(var i = 0; a.hasNext(); t.push(f.call(o, a.next(), i++))); + } + return t; // Array + }, + every: function(/*Array|String|Object*/ a, /*Function|String|Array*/ f, /*Object?*/ o){ + // summary: tests whether all elements in the array pass the test + // implemented by the provided function. + if(typeof a == "string"){ a = a.split(""); } + o = o || d.global; f = df.lambda(f); + if(d.isArray(a)){ + for(var i = 0, n = a.length; i < n; ++i){ + if(!f.call(o, a[i], i, a)){ + return false; // Boolean + } + } + }else{ + for(var i = 0; a.hasNext();){ + if(!f.call(o, a.next(), i++)){ + return false; // Boolean + } + } + } + return true; // Boolean + }, + some: function(/*Array|String|Object*/ a, /*Function|String|Array*/ f, /*Object?*/ o){ + // summary: tests whether some element in the array passes the test + // implemented by the provided function. + if(typeof a == "string"){ a = a.split(""); } + o = o || d.global; f = df.lambda(f); + if(d.isArray(a)){ + for(var i = 0, n = a.length; i < n; ++i){ + if(f.call(o, a[i], i, a)){ + return true; // Boolean + } + } + }else{ + for(var i = 0; a.hasNext();){ + if(f.call(o, a.next(), i++)){ + return true; // Boolean + } + } + } + return false; // Boolean + } + }); +})(); + +} |