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
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. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25 #include "config.h"
26 #include "DOMSettableTokenList.h"
27
28 namespace WebCore {
29
DOMSettableTokenList()30 DOMSettableTokenList::DOMSettableTokenList()
31 : m_value()
32 , m_tokens()
33 {
34 }
35
~DOMSettableTokenList()36 DOMSettableTokenList::~DOMSettableTokenList()
37 {
38 }
39
item(unsigned index) const40 const AtomicString DOMSettableTokenList::item(unsigned index) const
41 {
42 if (index >= length())
43 return AtomicString();
44 return m_tokens[index];
45 }
46
contains(const AtomicString & token,ExceptionCode & ec) const47 bool DOMSettableTokenList::contains(const AtomicString& token, ExceptionCode& ec) const
48 {
49 if (!validateToken(token, ec))
50 return false;
51 return m_tokens.contains(token);
52 }
53
add(const AtomicString & token,ExceptionCode & ec)54 void DOMSettableTokenList::add(const AtomicString& token, ExceptionCode& ec)
55 {
56 if (!validateToken(token, ec) || m_tokens.contains(token))
57 return;
58 addInternal(token);
59 }
60
addInternal(const AtomicString & token)61 void DOMSettableTokenList::addInternal(const AtomicString& token)
62 {
63 m_value = addToken(m_value, token);
64 if (m_tokens.isNull())
65 m_tokens.set(token, false);
66 else
67 m_tokens.add(token);
68 }
69
remove(const AtomicString & token,ExceptionCode & ec)70 void DOMSettableTokenList::remove(const AtomicString& token, ExceptionCode& ec)
71 {
72 if (!validateToken(token, ec) || !m_tokens.contains(token))
73 return;
74 removeInternal(token);
75 }
76
removeInternal(const AtomicString & token)77 void DOMSettableTokenList::removeInternal(const AtomicString& token)
78 {
79 m_value = removeToken(m_value, token);
80 m_tokens.remove(token);
81 }
82
toggle(const AtomicString & token,ExceptionCode & ec)83 bool DOMSettableTokenList::toggle(const AtomicString& token, ExceptionCode& ec)
84 {
85 if (!validateToken(token, ec))
86 return false;
87 if (m_tokens.contains(token)) {
88 removeInternal(token);
89 return false;
90 }
91 addInternal(token);
92 return true;
93 }
94
setValue(const String & value)95 void DOMSettableTokenList::setValue(const String& value)
96 {
97 m_value = value;
98 m_tokens.set(value, false);
99 }
100
101 } // namespace WebCore
102