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1 /* | |
2 * Copyright (C) 2009 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 #include "config.h" | |
32 #include "DOMUtilitiesPrivate.h" | |
33 | |
34 #include "Element.h" | |
35 #include "HTMLInputElement.h" | |
36 #include "HTMLLinkElement.h" | |
37 #include "HTMLMetaElement.h" | |
38 #include "HTMLNames.h" | |
39 #include "HTMLOptionElement.h" | |
40 #include "Node.h" | |
41 | |
42 using namespace WebCore; | |
43 | |
44 namespace { | |
45 | |
46 template <class HTMLNodeType> | |
47 HTMLNodeType* toHTMLElement(Node* node, const QualifiedName& name) | |
48 { | |
49 if (node->isHTMLElement() | |
50 && static_cast<HTMLElement*>(node)->hasTagName(name)) { | |
51 return static_cast<HTMLNodeType*>(node); | |
52 } | |
53 return 0; | |
54 } | |
55 | |
56 } // namespace | |
57 | |
58 namespace WebKit { | |
59 | |
60 HTMLInputElement* toHTMLInputElement(Node* node) | |
61 { | |
62 return toHTMLElement<HTMLInputElement>(node, HTMLNames::inputTag); | |
63 } | |
64 | |
65 HTMLLinkElement* toHTMLLinkElement(Node* node) | |
66 { | |
67 return toHTMLElement<HTMLLinkElement>(node, HTMLNames::linkTag); | |
68 } | |
69 | |
70 HTMLMetaElement* toHTMLMetaElement(Node* node) | |
71 { | |
72 return toHTMLElement<HTMLMetaElement>(node, HTMLNames::metaTag); | |
73 } | |
74 | |
75 HTMLOptionElement* toHTMLOptionElement(Node* node) | |
76 { | |
77 return toHTMLElement<HTMLOptionElement>(node, HTMLNames::optionTag); | |
78 } | |
79 | |
80 String nameOfInputElement(HTMLInputElement* element) | |
81 { | |
82 String name = element->name(); | |
83 String trimmedName = name.stripWhiteSpace(); | |
84 if (!trimmedName.isEmpty()) | |
85 return trimmedName; | |
86 | |
87 name = element->getAttribute(HTMLNames::idAttr); | |
88 trimmedName = name.stripWhiteSpace(); | |
89 if (!trimmedName.isEmpty()) | |
90 return trimmedName; | |
91 | |
92 return String(); | |
93 } | |
94 | |
95 } // namespace WebKit | |
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