author | Simon Howkins <simonh@symbian.org> |
Mon, 15 Nov 2010 14:53:34 +0000 | |
branch | RCL_3 |
changeset 105 | 871af676edac |
parent 8 | 7c90e6132015 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
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* (C) 1999 Antti Koivisto (koivisto@kde.org) |
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* Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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|
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#include "config.h" |
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#include "CharacterData.h" |
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|
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#include "Document.h" |
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#include "EventNames.h" |
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#include "ExceptionCode.h" |
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#include "TextStream.h" |
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#include "MutationEvent.h" |
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#include "RenderText.h" |
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|
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namespace WebCore { |
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|
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using namespace EventNames; |
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|
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CharacterData::CharacterData(Document *doc) |
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: EventTargetNode(doc) |
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{ |
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str = 0; |
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} |
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CharacterData::CharacterData(Document *doc, const String &_text) |
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: EventTargetNode(doc) |
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{ |
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str = _text.impl() ? _text.impl() : new StringImpl(static_cast<UChar*>(0), 0); |
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str->ref(); |
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} |
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CharacterData::~CharacterData() |
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{ |
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if(str) str->deref(); |
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} |
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void CharacterData::setData(const String& data, ExceptionCode& ec) |
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{ |
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// NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly |
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if (isReadOnlyNode()) { |
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ec = NO_MODIFICATION_ALLOWED_ERR; |
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return; |
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} |
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if (equal(str, data.impl())) |
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return; |
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StringImpl* oldStr = str; |
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str = data.impl(); |
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if (str) |
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str->ref(); |
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if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) { |
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detach(); |
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attach(); |
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} else if (renderer()) |
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static_cast<RenderText*>(renderer())->setText(str); |
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dispatchModifiedEvent(oldStr); |
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if (oldStr) |
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oldStr->deref(); |
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document()->removeMarkers(this); |
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} |
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String CharacterData::substringData( const unsigned offset, const unsigned count, ExceptionCode& ec) |
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{ |
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ec = 0; |
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checkCharDataOperation(offset, ec); |
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if (ec) |
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return String(); |
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return str->substring(offset,count); |
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} |
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void CharacterData::appendData( const String &arg, ExceptionCode& ec) |
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{ |
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ec = 0; |
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// NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly |
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if (isReadOnlyNode()) { |
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ec = NO_MODIFICATION_ALLOWED_ERR; |
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return; |
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} |
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|
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StringImpl *oldStr = str; |
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str = str->copy(); |
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str->ref(); |
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str->append(arg.impl()); |
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|
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if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) { |
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detach(); |
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110 |
attach(); |
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|
111 |
} else if (renderer()) |
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|
112 |
static_cast<RenderText*>(renderer())->setTextWithOffset(str, oldStr->length(), 0); |
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|
113 |
|
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|
114 |
dispatchModifiedEvent(oldStr); |
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|
115 |
oldStr->deref(); |
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|
116 |
} |
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|
117 |
|
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|
118 |
void CharacterData::insertData( const unsigned offset, const String &arg, ExceptionCode& ec) |
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|
119 |
{ |
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120 |
ec = 0; |
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|
121 |
checkCharDataOperation(offset, ec); |
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|
122 |
if (ec) |
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|
123 |
return; |
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|
124 |
|
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125 |
StringImpl *oldStr = str; |
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|
126 |
str = str->copy(); |
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127 |
str->ref(); |
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|
128 |
str->insert(arg.impl(), offset); |
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|
129 |
|
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130 |
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) { |
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131 |
detach(); |
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132 |
attach(); |
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133 |
} else if (renderer()) |
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134 |
static_cast<RenderText*>(renderer())->setTextWithOffset(str, offset, 0); |
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|
135 |
|
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|
136 |
dispatchModifiedEvent(oldStr); |
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|
137 |
oldStr->deref(); |
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|
138 |
|
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139 |
// update the markers for spell checking and grammar checking |
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140 |
unsigned length = arg.length(); |
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|
141 |
document()->shiftMarkers(this, offset, length); |
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|
142 |
} |
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|
143 |
|
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|
144 |
void CharacterData::deleteData( const unsigned offset, const unsigned count, ExceptionCode& ec) |
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|
145 |
{ |
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|
146 |
ec = 0; |
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|
147 |
checkCharDataOperation(offset, ec); |
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|
148 |
if (ec) |
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|
149 |
return; |
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|
150 |
|
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|
151 |
StringImpl *oldStr = str; |
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152 |
str = str->copy(); |
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153 |
str->ref(); |
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|
154 |
str->remove(offset,count); |
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|
155 |
|
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|
156 |
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) { |
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|
157 |
detach(); |
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|
158 |
attach(); |
8
7c90e6132015
Revision: 200915
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parents:
0
diff
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|
159 |
} else if (renderer()){ |
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parents:
0
diff
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|
160 |
static_cast<RenderText*>(renderer())->setTextWithOffset(str, offset, count, false, true); |
7c90e6132015
Revision: 200915
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parents:
0
diff
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|
161 |
} |
0
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|
162 |
|
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|
163 |
dispatchModifiedEvent(oldStr); |
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Revision: 200911
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|
164 |
oldStr->deref(); |
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|
165 |
|
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|
166 |
// update the markers for spell checking and grammar checking |
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Revision: 200911
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parents:
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|
167 |
document()->removeMarkers(this, offset, count); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
168 |
document()->shiftMarkers(this, offset + count, -static_cast<int>(count)); |
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|
169 |
} |
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|
170 |
|
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|
171 |
void CharacterData::replaceData( const unsigned offset, const unsigned count, const String &arg, ExceptionCode& ec) |
dd21522fd290
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|
172 |
{ |
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|
173 |
ec = 0; |
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|
174 |
checkCharDataOperation(offset, ec); |
dd21522fd290
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|
175 |
if (ec) |
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|
176 |
return; |
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|
177 |
|
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|
178 |
unsigned realCount; |
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|
179 |
if (offset + count > str->length()) |
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Revision: 200911
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|
180 |
realCount = str->length()-offset; |
dd21522fd290
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|
181 |
else |
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Revision: 200911
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|
182 |
realCount = count; |
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|
183 |
|
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diff
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|
184 |
StringImpl *oldStr = str; |
dd21522fd290
Revision: 200911
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|
185 |
str = str->copy(); |
dd21522fd290
Revision: 200911
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|
186 |
str->ref(); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
187 |
str->remove(offset,realCount); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
188 |
str->insert(arg.impl(), offset); |
dd21522fd290
Revision: 200911
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diff
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|
189 |
|
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parents:
diff
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|
190 |
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) { |
dd21522fd290
Revision: 200911
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parents:
diff
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|
191 |
detach(); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
192 |
attach(); |
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Revision: 200911
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parents:
diff
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|
193 |
} else if (renderer()) |
dd21522fd290
Revision: 200911
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parents:
diff
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|
194 |
static_cast<RenderText*>(renderer())->setTextWithOffset(str, offset, count); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
195 |
|
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Revision: 200911
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parents:
diff
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|
196 |
dispatchModifiedEvent(oldStr); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
197 |
oldStr->deref(); |
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Revision: 200911
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parents:
diff
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|
198 |
|
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Revision: 200911
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parents:
diff
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|
199 |
// update the markers for spell checking and grammar checking |
dd21522fd290
Revision: 200911
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parents:
diff
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|
200 |
int diff = arg.length() - count; |
dd21522fd290
Revision: 200911
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parents:
diff
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|
201 |
document()->removeMarkers(this, offset, count); |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
202 |
document()->shiftMarkers(this, offset + count, diff); |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
203 |
} |
dd21522fd290
Revision: 200911
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parents:
diff
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|
204 |
|
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Revision: 200911
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parents:
diff
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|
205 |
String CharacterData::nodeValue() const |
dd21522fd290
Revision: 200911
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diff
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|
206 |
{ |
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Revision: 200911
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diff
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|
207 |
return str; |
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Revision: 200911
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diff
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|
208 |
} |
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Revision: 200911
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parents:
diff
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|
209 |
|
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Revision: 200911
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parents:
diff
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|
210 |
bool CharacterData::containsOnlyWhitespace(unsigned int from, unsigned int len) const |
dd21522fd290
Revision: 200911
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parents:
diff
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|
211 |
{ |
dd21522fd290
Revision: 200911
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parents:
diff
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|
212 |
if (str) |
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Revision: 200911
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parents:
diff
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|
213 |
return str->containsOnlyWhitespace(from, len); |
dd21522fd290
Revision: 200911
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diff
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|
214 |
return true; |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
215 |
} |
dd21522fd290
Revision: 200911
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diff
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|
216 |
|
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Revision: 200911
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parents:
diff
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|
217 |
bool CharacterData::containsOnlyWhitespace() const |
dd21522fd290
Revision: 200911
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|
218 |
{ |
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Revision: 200911
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parents:
diff
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|
219 |
if (str) |
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Revision: 200911
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parents:
diff
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|
220 |
return str->containsOnlyWhitespace(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
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|
221 |
return true; |
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} |
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void CharacterData::setNodeValue( const String &_nodeValue, ExceptionCode& ec) |
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{ |
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// NO_MODIFICATION_ALLOWED_ERR: taken care of by setData() |
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setData(_nodeValue, ec); |
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} |
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void CharacterData::dispatchModifiedEvent(StringImpl *prevValue) |
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{ |
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if (parentNode()) |
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parentNode()->childrenChanged(); |
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if (document()->hasListenerType(Document::DOMCHARACTERDATAMODIFIED_LISTENER)) { |
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StringImpl *newValue = str->copy(); |
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newValue->ref(); |
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ExceptionCode ec = 0; |
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dispatchEvent(new MutationEvent(DOMCharacterDataModifiedEvent, |
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true,false,0,prevValue,newValue,String(),0),ec); |
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newValue->deref(); |
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} |
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dispatchSubtreeModifiedEvent(); |
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} |
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|
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void CharacterData::checkCharDataOperation( const unsigned offset, ExceptionCode& ec) |
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{ |
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ec = 0; |
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// INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than the number of 16-bit |
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// units in data. |
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if (offset > str->length()) { |
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ec = INDEX_SIZE_ERR; |
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return; |
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} |
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// NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly |
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if (isReadOnlyNode()) { |
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ec = NO_MODIFICATION_ALLOWED_ERR; |
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return; |
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} |
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} |
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int CharacterData::maxOffset() const |
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{ |
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return (int)length(); |
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} |
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int CharacterData::caretMinOffset() const |
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{ |
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RenderText *r = static_cast<RenderText *>(renderer()); |
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return r && r->isText() ? r->caretMinOffset() : 0; |
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} |
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int CharacterData::caretMaxOffset() const |
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{ |
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RenderText *r = static_cast<RenderText *>(renderer()); |
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return r && r->isText() ? r->caretMaxOffset() : (int)length(); |
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} |
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|
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unsigned CharacterData::caretMaxRenderedOffset() const |
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{ |
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RenderText *r = static_cast<RenderText *>(renderer()); |
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return r ? r->caretMaxRenderedOffset() : length(); |
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} |
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bool CharacterData::rendererIsNeeded(RenderStyle *style) |
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{ |
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if (!str || str->length() == 0) |
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return false; |
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return EventTargetNode::rendererIsNeeded(style); |
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} |
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|
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bool CharacterData::offsetInCharacters() const |
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{ |
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return true; |
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} |
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#ifndef NDEBUG |
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void CharacterData::dump(TextStream *stream, DeprecatedString ind) const |
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{ |
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*stream << " str=\"" << String(str).deprecatedString().ascii() << "\""; |
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|
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EventTargetNode::dump(stream,ind); |
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} |
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#endif |
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} // namespace WebCore |