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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /**
     32  * @interface
     33  */
     34 WebInspector.CompletionDictionary = function() { }
     35 
     36 WebInspector.CompletionDictionary.prototype = {
     37     /**
     38      * @param {string} word
     39      */
     40     addWord: function(word) { },
     41 
     42     /**
     43      * @param {string} word
     44      */
     45     removeWord: function(word) { },
     46 
     47     /**
     48      * @param {string} word
     49      * @return {boolean}
     50      */
     51     hasWord: function(word) { },
     52 
     53     /**
     54      * @param {string} prefix
     55      * @return {!Array.<string>}
     56      */
     57     wordsWithPrefix: function(prefix) { },
     58 
     59     /**
     60      * @param {string} word
     61      * @return {number}
     62      */
     63     wordCount: function(word) { },
     64 
     65     reset: function() { }
     66 }
     67 
     68 /**
     69  * @constructor
     70  * @implements {WebInspector.CompletionDictionary}
     71  */
     72 WebInspector.SampleCompletionDictionary = function() {
     73     this._words = {};
     74 }
     75 
     76 WebInspector.SampleCompletionDictionary.prototype = {
     77     /**
     78      * @param {string} word
     79      */
     80     addWord: function(word)
     81     {
     82         if (!this._words[word])
     83             this._words[word] = 1;
     84         else
     85             ++this._words[word];
     86     },
     87 
     88     /**
     89      * @param {string} word
     90      */
     91     removeWord: function(word)
     92     {
     93         if (!this._words[word])
     94             return;
     95         if (this._words[word] === 1)
     96             delete this._words[word];
     97         else
     98             --this._words[word];
     99     },
    100 
    101     /**
    102      * @param {string} prefix
    103      * @return {!Array.<string>}
    104      */
    105     wordsWithPrefix: function(prefix)
    106     {
    107         var words = [];
    108         for(var i in this._words) {
    109             if (i.startsWith(prefix))
    110                 words.push(i);
    111         }
    112         return words;
    113     },
    114 
    115     /**
    116      * @param {string} word
    117      * @return {boolean}
    118      */
    119     hasWord: function(word)
    120     {
    121         return !!this._words[word];
    122     },
    123 
    124     /**
    125      * @param {string} word
    126      * @return {number}
    127      */
    128     wordCount: function(word)
    129     {
    130         return this._words[word] ? this._words[word] : 0;
    131     },
    132 
    133     reset: function()
    134     {
    135         this._words = {};
    136     }
    137 }
    138