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
|
/*
* Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JoinTextNodesCommand.h"
#include "Text.h"
namespace WebCore {
JoinTextNodesCommand::JoinTextNodesCommand(PassRefPtr<Text> text1, PassRefPtr<Text> text2)
: SimpleEditCommand(text1->document()), m_text1(text1), m_text2(text2)
{
ASSERT(m_text1);
ASSERT(m_text2);
ASSERT(m_text1->nextSibling() == m_text2);
ASSERT(m_text1->length() > 0);
ASSERT(m_text2->length() > 0);
}
void JoinTextNodesCommand::doApply()
{
ASSERT(m_text1);
ASSERT(m_text2);
ASSERT(m_text1->nextSibling() == m_text2);
ExceptionCode ec = 0;
m_text2->insertData(0, m_text1->data(), ec);
ASSERT(ec == 0);
m_text2->parentNode()->removeChild(m_text1.get(), ec);
ASSERT(ec == 0);
m_offset = m_text1->length();
}
void JoinTextNodesCommand::doUnapply()
{
ASSERT(m_text2);
ASSERT(m_offset > 0);
ExceptionCode ec = 0;
m_text2->deleteData(0, m_offset, ec);
ASSERT(ec == 0);
m_text2->parentNode()->insertBefore(m_text1.get(), m_text2.get(), ec);
ASSERT(ec == 0);
ASSERT(m_text2->previousSibling()->isTextNode());
ASSERT(m_text2->previousSibling() == m_text1);
}
} // namespace WebCore
|
