WebKit merge 40668:40722 part 1.

third_party/WebKit/WebCore/dom/CharacterData.cpp

Index: third_party/WebKit/WebCore/dom/CharacterData.cpp
===================================================================
--- third_party/WebKit/WebCore/dom/CharacterData.cpp	(revision 9310)
+++ third_party/WebKit/WebCore/dom/CharacterData.cpp	(working copy)
@@ -1,235 +1,235 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 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 "CharacterData.h"
-
-#include "CString.h"
-#include "EventNames.h"
-#include "ExceptionCode.h"
-#include "MutationEvent.h"
-#include "RenderText.h"
-
-namespace WebCore {
-
-CharacterData::CharacterData(Document *doc, bool isText)
-    : EventTargetNode(doc, false, false, isText)
-    , m_data(StringImpl::empty())
-{
-}
-
-CharacterData::CharacterData(Document* document, const String& text, bool isText)
-    : EventTargetNode(document, false, false, isText)
-{
-    m_data = text.impl() ? text.impl() : StringImpl::empty();
-}
-
-CharacterData::~CharacterData()
-{
-}
-
-void CharacterData::setData(const String& data, ExceptionCode&)
-{
-    StringImpl* dataImpl = data.impl() ? data.impl() : StringImpl::empty();
-    if (equal(m_data.get(), dataImpl))
-        return;
-
-    int oldLength = length();
-    RefPtr<StringImpl> oldStr = m_data;
-    m_data = dataImpl;
-    
-    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
-        detach();
-        attach();
-    } else if (renderer())
-        toRenderText(renderer())->setText(m_data);
-    
-    dispatchModifiedEvent(oldStr.get());
-    
-    document()->textRemoved(this, 0, oldLength);
-}
-
-String CharacterData::substringData(unsigned offset, unsigned count, ExceptionCode& ec)
-{
-    checkCharDataOperation(offset, ec);
-    if (ec)
-        return String();
-
-    return m_data->substring(offset, count);
-}
-
-void CharacterData::appendData(const String& arg, ExceptionCode&)
-{
-    String newStr = m_data;
-    newStr.append(arg);
-
-    RefPtr<StringImpl> oldStr = m_data;
-    m_data = newStr.impl();
-
-    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
-        detach();
-        attach();
-    } else if (renderer())
-        toRenderText(renderer())->setTextWithOffset(m_data, oldStr->length(), 0);
-    
-    dispatchModifiedEvent(oldStr.get());
-}
-
-void CharacterData::insertData(unsigned offset, const String& arg, ExceptionCode& ec)
-{
-    checkCharDataOperation(offset, ec);
-    if (ec)
-        return;
-
-    String newStr = m_data;
-    newStr.insert(arg, offset);
-
-    RefPtr<StringImpl> oldStr = m_data;
-    m_data = newStr.impl();
-
-    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
-        detach();
-        attach();
-    } else if (renderer())
-        toRenderText(renderer())->setTextWithOffset(m_data, offset, 0);
-
-    dispatchModifiedEvent(oldStr.get());
-    
-    document()->textInserted(this, offset, arg.length());
-}
-
-void CharacterData::deleteData(unsigned offset, unsigned count, ExceptionCode& ec)
-{
-    checkCharDataOperation(offset, ec);
-    if (ec)
-        return;
-
-    unsigned realCount;
-    if (offset + count > length())
-        realCount = length() - offset;
-    else
-        realCount = count;
-
-    String newStr = m_data;
-    newStr.remove(offset, realCount);
-
-    RefPtr<StringImpl> oldStr = m_data;
-    m_data = newStr.impl();
-    
-    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
-        detach();
-        attach();
-    } else if (renderer())
-        toRenderText(renderer())->setTextWithOffset(m_data, offset, count);
-
-    dispatchModifiedEvent(oldStr.get());
-
-    document()->textRemoved(this, offset, realCount);
-}
-
-void CharacterData::replaceData(unsigned offset, unsigned count, const String& arg, ExceptionCode& ec)
-{
-    checkCharDataOperation(offset, ec);
-    if (ec)
-        return;
-
-    unsigned realCount;
-    if (offset + count > length())
-        realCount = length() - offset;
-    else
-        realCount = count;
-
-    String newStr = m_data;
-    newStr.remove(offset, realCount);
-    newStr.insert(arg, offset);
-
-    RefPtr<StringImpl> oldStr = m_data;
-    m_data = newStr.impl();
-
-    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
-        detach();
-        attach();
-    } else if (renderer())
-        toRenderText(renderer())->setTextWithOffset(m_data, offset, count);
-    
-    dispatchModifiedEvent(oldStr.get());
-    
-    // update the markers for spell checking and grammar checking
-    document()->textRemoved(this, offset, realCount);
-    document()->textInserted(this, offset, arg.length());
-}
-
-String CharacterData::nodeValue() const
-{
-    return m_data;
-}
-
-bool CharacterData::containsOnlyWhitespace() const
-{
-    return !m_data || m_data->containsOnlyWhitespace();
-}
-
-void CharacterData::setNodeValue(const String& nodeValue, ExceptionCode& ec)
-{
-    setData(nodeValue, ec);
-}
-
-void CharacterData::dispatchModifiedEvent(StringImpl* prevValue)
-{
-    if (parentNode())
-        parentNode()->childrenChanged();
-    if (document()->hasListenerType(Document::DOMCHARACTERDATAMODIFIED_LISTENER)) {
-        ExceptionCode ec;
-        dispatchEvent(MutationEvent::create(eventNames().DOMCharacterDataModifiedEvent, true, false, 0, prevValue, m_data, String(), 0), ec);
-    }
-    dispatchSubtreeModifiedEvent();
-}
-
-void CharacterData::checkCharDataOperation(unsigned offset, ExceptionCode& ec)
-{
-    ec = 0;
-
-    // INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than the number of 16-bit
-    // units in data.
-    if (offset > length()) {
-        ec = INDEX_SIZE_ERR;
-        return;
-    }
-}
-
-int CharacterData::maxCharacterOffset() const
-{
-    return static_cast<int>(length());
-}
-
-bool CharacterData::rendererIsNeeded(RenderStyle *style)
-{
-    if (!m_data || !length())
-        return false;
-    return EventTargetNode::rendererIsNeeded(style);
-}
-
-bool CharacterData::offsetInCharacters() const
-{
-    return true;
-}
-
-} // namespace WebCore
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 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 "CharacterData.h"
+
+#include "CString.h"
+#include "EventNames.h"
+#include "ExceptionCode.h"
+#include "MutationEvent.h"
+#include "RenderText.h"
+
+namespace WebCore {
+
+CharacterData::CharacterData(Document *doc, bool isText)
+    : Node(doc, false, false, isText)
+    , m_data(StringImpl::empty())
+{
+}
+
+CharacterData::CharacterData(Document* document, const String& text, bool isText)
+    : Node(document, false, false, isText)
+{
+    m_data = text.impl() ? text.impl() : StringImpl::empty();
+}
+
+CharacterData::~CharacterData()
+{
+}
+
+void CharacterData::setData(const String& data, ExceptionCode&)
+{
+    StringImpl* dataImpl = data.impl() ? data.impl() : StringImpl::empty();
+    if (equal(m_data.get(), dataImpl))
+        return;
+
+    int oldLength = length();
+    RefPtr<StringImpl> oldStr = m_data;
+    m_data = dataImpl;
+    
+    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
+        detach();
+        attach();
+    } else if (renderer())
+        toRenderText(renderer())->setText(m_data);
+    
+    dispatchModifiedEvent(oldStr.get());
+    
+    document()->textRemoved(this, 0, oldLength);
+}
+
+String CharacterData::substringData(unsigned offset, unsigned count, ExceptionCode& ec)
+{
+    checkCharDataOperation(offset, ec);
+    if (ec)
+        return String();
+
+    return m_data->substring(offset, count);
+}
+
+void CharacterData::appendData(const String& arg, ExceptionCode&)
+{
+    String newStr = m_data;
+    newStr.append(arg);
+
+    RefPtr<StringImpl> oldStr = m_data;
+    m_data = newStr.impl();
+
+    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
+        detach();
+        attach();
+    } else if (renderer())
+        toRenderText(renderer())->setTextWithOffset(m_data, oldStr->length(), 0);
+    
+    dispatchModifiedEvent(oldStr.get());
+}
+
+void CharacterData::insertData(unsigned offset, const String& arg, ExceptionCode& ec)
+{
+    checkCharDataOperation(offset, ec);
+    if (ec)
+        return;
+
+    String newStr = m_data;
+    newStr.insert(arg, offset);
+
+    RefPtr<StringImpl> oldStr = m_data;
+    m_data = newStr.impl();
+
+    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
+        detach();
+        attach();
+    } else if (renderer())
+        toRenderText(renderer())->setTextWithOffset(m_data, offset, 0);
+
+    dispatchModifiedEvent(oldStr.get());
+    
+    document()->textInserted(this, offset, arg.length());
+}
+
+void CharacterData::deleteData(unsigned offset, unsigned count, ExceptionCode& ec)
+{
+    checkCharDataOperation(offset, ec);
+    if (ec)
+        return;
+
+    unsigned realCount;
+    if (offset + count > length())
+        realCount = length() - offset;
+    else
+        realCount = count;
+
+    String newStr = m_data;
+    newStr.remove(offset, realCount);
+
+    RefPtr<StringImpl> oldStr = m_data;
+    m_data = newStr.impl();
+    
+    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
+        detach();
+        attach();
+    } else if (renderer())
+        toRenderText(renderer())->setTextWithOffset(m_data, offset, count);
+
+    dispatchModifiedEvent(oldStr.get());
+
+    document()->textRemoved(this, offset, realCount);
+}
+
+void CharacterData::replaceData(unsigned offset, unsigned count, const String& arg, ExceptionCode& ec)
+{
+    checkCharDataOperation(offset, ec);
+    if (ec)
+        return;
+
+    unsigned realCount;
+    if (offset + count > length())
+        realCount = length() - offset;
+    else
+        realCount = count;
+
+    String newStr = m_data;
+    newStr.remove(offset, realCount);
+    newStr.insert(arg, offset);
+
+    RefPtr<StringImpl> oldStr = m_data;
+    m_data = newStr.impl();
+
+    if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
+        detach();
+        attach();
+    } else if (renderer())
+        toRenderText(renderer())->setTextWithOffset(m_data, offset, count);
+    
+    dispatchModifiedEvent(oldStr.get());
+    
+    // update the markers for spell checking and grammar checking
+    document()->textRemoved(this, offset, realCount);
+    document()->textInserted(this, offset, arg.length());
+}
+
+String CharacterData::nodeValue() const
+{
+    return m_data;
+}
+
+bool CharacterData::containsOnlyWhitespace() const
+{
+    return !m_data || m_data->containsOnlyWhitespace();
+}
+
+void CharacterData::setNodeValue(const String& nodeValue, ExceptionCode& ec)
+{
+    setData(nodeValue, ec);
+}
+
+void CharacterData::dispatchModifiedEvent(StringImpl* prevValue)
+{
+    if (parentNode())
+        parentNode()->childrenChanged();
+    if (document()->hasListenerType(Document::DOMCHARACTERDATAMODIFIED_LISTENER)) {
+        ExceptionCode ec;
+        dispatchEvent(MutationEvent::create(eventNames().DOMCharacterDataModifiedEvent, true, false, 0, prevValue, m_data, String(), 0), ec);
+    }
+    dispatchSubtreeModifiedEvent();
+}
+
+void CharacterData::checkCharDataOperation(unsigned offset, ExceptionCode& ec)
+{
+    ec = 0;
+
+    // INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than the number of 16-bit
+    // units in data.
+    if (offset > length()) {
+        ec = INDEX_SIZE_ERR;
+        return;
+    }
+}
+
+int CharacterData::maxCharacterOffset() const
+{
+    return static_cast<int>(length());
+}
+
+bool CharacterData::rendererIsNeeded(RenderStyle *style)
+{
+    if (!m_data || !length())
+        return false;
+    return Node::rendererIsNeeded(style);
+}
+
+bool CharacterData::offsetInCharacters() const
+{
+    return true;
+}
+
+} // namespace WebCore