1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "ContentData.h"
#include "StyleImage.h"
#include <wtf/text/StringImpl.h>
namespace WebCore {
void ContentData::clear()
{
deleteContent();
// Delete the singly-linked list without recursing.
for (OwnPtr<ContentData> next = m_next.release(); next; next = next->m_next.release()) { }
}
// FIXME: Why isn't this just operator==?
// FIXME: This is not a good name for a boolean-returning function.
bool ContentData::dataEquivalent(const ContentData& other) const
{
if (type() != other.type())
return false;
switch (type()) {
case CONTENT_NONE:
return true;
case CONTENT_TEXT:
return equal(text(), other.text());
case CONTENT_OBJECT:
return StyleImage::imagesEquivalent(image(), other.image());
case CONTENT_COUNTER:
return *counter() == *other.counter();
case CONTENT_QUOTE:
return quote() == other.quote();
}
ASSERT_NOT_REACHED();
return false;
}
void ContentData::deleteContent()
{
switch (m_type) {
case CONTENT_NONE:
break;
case CONTENT_OBJECT:
m_content.m_image->deref();
break;
case CONTENT_TEXT:
m_content.m_text->deref();
break;
case CONTENT_COUNTER:
delete m_content.m_counter;
break;
case CONTENT_QUOTE:
break;
}
m_type = CONTENT_NONE;
}
} // namespace WebCore
|
