Source/WebCore/inspector/front-end/SourceTokenizer.js

/* Generated by re2c 0.13.5 on Tue Jan 26 01:16:33 2010 */
/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @constructor
 */
WebInspector.SourceTokenizer = function()
{
}

WebInspector.SourceTokenizer.prototype = {
    set line(line) {
        this._line = line;
    },

    set condition(condition)
    {
        this._condition = condition;
    },

    get condition()
    {
        return this._condition;
    },

    getLexCondition: function()
    {
        return this.condition.lexCondition;
    },

    setLexCondition: function(lexCondition)
    {
        this.condition.lexCondition = lexCondition;
    },

    _charAt: function(cursor)
    {
        return cursor < this._line.length ? this._line.charAt(cursor) : "\n";
    },

    createInitialCondition: function()
    {
    },

    nextToken: function(cursor)
    {
    }
}

/**
 * @constructor
 */
WebInspector.SourceTokenizer.Registry = function() {
    this._tokenizers = {};
    this._tokenizerConstructors = {
        "text/css": "SourceCSSTokenizer",
        "text/html": "SourceHTMLTokenizer",
        "text/javascript": "SourceJavaScriptTokenizer"
    };
}

WebInspector.SourceTokenizer.Registry.getInstance = function()
{
    if (!WebInspector.SourceTokenizer.Registry._instance)
        WebInspector.SourceTokenizer.Registry._instance = new WebInspector.SourceTokenizer.Registry();
    return WebInspector.SourceTokenizer.Registry._instance;
}

WebInspector.SourceTokenizer.Registry.prototype = {
    getTokenizer: function(mimeType)
    {
        if (!this._tokenizerConstructors[mimeType])
            return null;
        var tokenizerClass = this._tokenizerConstructors[mimeType];
        var tokenizer = this._tokenizers[tokenizerClass];
        if (!tokenizer) {
            tokenizer = new WebInspector[tokenizerClass]();
            this._tokenizers[tokenizerClass] = tokenizer;
        }
        return tokenizer;
    }
}