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DefaultProcessor.js
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DefaultProcessor.js
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/** @license MIT License (c) copyright 2013 original author or authors */
/**
* @Default Annotationprocessor
*
* Inserts default arguments, if they are not supplied on function call
*
* Licensed under the MIT License at:
* http://www.opensource.org/licenses/mit-license.php
*
* @author Peter Mucha
*
* @version 0.0.4
*/
"use strict";
(function(define) {
define([],
function() {
return {
annotation: "@Default",
processParameter: function(obj, fnDescription, annotatedParameters) {
//console.log("@Default("+ annotationParams +") attached at parameter: " + param.name);
var origFn = obj[fnDescription.name];
obj[fnDescription.name] = function(){
for(var i = 0; i < annotatedParameters.length; ++i){
var param = annotatedParameters[i];
while (arguments.length -1 < param.index)
[].push.call(arguments, undefined);
if (arguments[param.index] == null) //tests for null or undefined because 'null==undefined'
arguments[param.index] = param.annotation.parameters[0];
}
switch(arguments.length){
case 0: return origFn.call(obj);
case 1: return origFn.call(obj, arguments[0]);
case 2: return origFn.call(obj, arguments[0], arguments[1]);
case 3: return origFn.call(obj, arguments[0], arguments[1], arguments[2]);
default: return origFn.apply(obj, arguments);
}
};
}
};
});})(typeof define == 'function'? define: function(deps, factory) {module.exports = factory.apply(this, deps.map(function(x) {return require(x);}));});