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      1 // Copyright 2010 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 Object.extend = function (dest, source) {
     29   for (property in source) dest[property] = source[property];
     30   return dest;
     31 };
     32 
     33 Object.extend ( Function.prototype,
     34 {
     35   wrap : function (wrapper) {
     36     var method = this;
     37     var bmethod = (function(_method) {
     38       return function () {
     39         this.$$$parentMethodStore$$$ = this.$proceed;
     40         this.$proceed = function() { return _method.apply(this, arguments); };
     41       };
     42     })(method);
     43     var amethod = function () {
     44       this.$proceed = this.$$$parentMethodStore$$$;
     45       if (this.$proceed == undefined) delete this.$proceed;
     46       delete this.$$$parentMethodStore$$$;
     47     };
     48     var value = function() { bmethod.call(this); retval = wrapper.apply(this, arguments); amethod.call(this); return retval; };
     49     return value;
     50   }
     51 });
     52 
     53 String.prototype.cap = function() {
     54   return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
     55 };
     56 
     57 String.prototype.cap = String.prototype.cap.wrap(
     58   function(each) {
     59     if (each && this.indexOf(" ") != -1) {
     60       return this.split(" ").map(
     61         function (value) {
     62           return value.cap();
     63         }
     64       ).join(" ");
     65     } else {
     66       return this.$proceed();
     67   }
     68 });
     69 
     70 Object.extend( Array.prototype,
     71 {
     72   map : function(fun) {
     73     if (typeof fun != "function") throw new TypeError();
     74     var len = this.length;
     75     var res = new Array(len);
     76     var thisp = arguments[1];
     77     for (var i = 0; i < len; i++) { if (i in this) res[i] = fun.call(thisp, this[i], i, this); }
     78     return res;
     79   }
     80 });
     81 assertEquals("Test1 test1", "test1 test1".cap());
     82 assertEquals("Test2 Test2", "test2 test2".cap(true));
     83 
     84