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1/*
2 * Copyright (C) 2010 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
31WebInspector.DOMSyntaxHighlighter = function(mimeType)
32{
33    this._tokenizer = WebInspector.SourceTokenizer.Registry.getInstance().getTokenizer(mimeType);
34}
35
36WebInspector.DOMSyntaxHighlighter.prototype = {
37    createSpan: function(content, className)
38    {
39        var span = document.createElement("span");
40        span.className = "webkit-" + className;
41        span.appendChild(document.createTextNode(content));
42        return span;
43    },
44
45    syntaxHighlightNode: function(node)
46    {
47        this._tokenizer.condition = this._tokenizer.initialCondition;
48        var lines = node.textContent.split("\n");
49        node.removeChildren();
50
51        for (var i = lines[0].length ? 0 : 1; i < lines.length; ++i) {
52            var line = lines[i];
53            var plainTextStart = 0;
54            this._tokenizer.line = line;
55            var column = 0;
56            do {
57                var newColumn = this._tokenizer.nextToken(column);
58                var tokenType = this._tokenizer.tokenType;
59                if (tokenType) {
60                    if (column > plainTextStart) {
61                        var plainText = line.substring(plainTextStart, column);
62                        node.appendChild(document.createTextNode(plainText));
63                    }
64                    var token = line.substring(column, newColumn);
65                    node.appendChild(this.createSpan(token, tokenType));
66                    plainTextStart = newColumn;
67                }
68                column = newColumn;
69           } while (column < line.length)
70
71           if (plainTextStart < line.length) {
72               var plainText = line.substring(plainTextStart, line.length);
73               node.appendChild(document.createTextNode(plainText));
74           }
75           if (i < lines.length - 1)
76               node.appendChild(document.createElement("br"));
77        }
78    }
79}
80