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-rw-r--r--src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp b/src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp
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+++ b/src/3rdparty/webkit/WebCore/editing/MergeIdenticalElementsCommand.cpp
@@ -0,0 +1,89 @@
+/*
+ * 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 "MergeIdenticalElementsCommand.h"
+
+#include "Element.h"
+
+namespace WebCore {
+
+MergeIdenticalElementsCommand::MergeIdenticalElementsCommand(PassRefPtr<Element> first, PassRefPtr<Element> second)
+ : SimpleEditCommand(first->document())
+ , m_element1(first)
+ , m_element2(second)
+{
+ ASSERT(m_element1);
+ ASSERT(m_element2);
+ ASSERT(m_element1->nextSibling() == m_element2);
+}
+
+void MergeIdenticalElementsCommand::doApply()
+{
+ if (m_element1->nextSibling() != m_element2)
+ return;
+
+ m_atChild = m_element2->firstChild();
+
+ ExceptionCode ec = 0;
+
+ Vector<RefPtr<Node> > children;
+ for (Node* child = m_element1->firstChild(); child; child = child->nextSibling())
+ children.append(child);
+
+ size_t size = children.size();
+ for (size_t i = 0; i < size; ++i)
+ m_element2->insertBefore(children[i].release(), m_atChild.get(), ec);
+
+ m_element1->remove(ec);
+}
+
+void MergeIdenticalElementsCommand::doUnapply()
+{
+ ASSERT(m_element1);
+ ASSERT(m_element2);
+
+ RefPtr<Node> atChild = m_atChild.release();
+
+ Node* parent = m_element2->parent();
+ if (!parent)
+ return;
+
+ ExceptionCode ec = 0;
+
+ parent->insertBefore(m_element1.get(), m_element2.get(), ec);
+ if (ec)
+ return;
+
+ Vector<RefPtr<Node> > children;
+ for (Node* child = m_element2->firstChild(); child && child != atChild; child = child->nextSibling())
+ children.append(child);
+
+ size_t size = children.size();
+ for (size_t i = 0; i < size; ++i)
+ m_element1->appendChild(children[i].release(), ec);
+}
+
+} // namespace WebCore