1 | /* |
2 | * Copyright (C) 2013 Apple 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 |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #include "config.h" |
27 | #include "TextNodeTraversal.h" |
28 | |
29 | #include "ContainerNode.h" |
30 | #include <wtf/text/StringBuilder.h> |
31 | |
32 | namespace WebCore { |
33 | namespace TextNodeTraversal { |
34 | |
35 | void appendContents(const ContainerNode& root, StringBuilder& result) |
36 | { |
37 | for (Text* text = TextNodeTraversal::firstWithin(root); text; text = TextNodeTraversal::next(*text, &root)) |
38 | result.append(text->data()); |
39 | } |
40 | |
41 | String contentsAsString(const ContainerNode& root) |
42 | { |
43 | StringBuilder result; |
44 | appendContents(root, result); |
45 | return result.toString(); |
46 | } |
47 | |
48 | String contentsAsString(const Node& root) |
49 | { |
50 | if (is<Text>(root)) |
51 | return downcast<Text>(root).data(); |
52 | if (is<ContainerNode>(root)) |
53 | return contentsAsString(downcast<ContainerNode>(root)); |
54 | return String(); |
55 | } |
56 | |
57 | String childTextContent(const ContainerNode& root) |
58 | { |
59 | StringBuilder result; |
60 | for (Text* text = TextNodeTraversal::firstChild(root); text; text = TextNodeTraversal::nextSibling(*text)) |
61 | result.append(text->data()); |
62 | return result.toString(); |
63 | } |
64 | |
65 | } |
66 | } |
67 | |