external/webkit r30707

1 files changed, 77 insertions, 0 deletions

diff --git a/WebCore/editing/MergeIdenticalElementsCommand.cpp b/WebCore/editing/MergeIdenticalElementsCommand.cpp
new file mode 100644
index 0000000..0b9b019
--- /dev/null
+++ b/WebCore/editing/MergeIdenticalElementsCommand.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2005 Apple Computer, 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(Element* first, Element* second)
+    : EditCommand(first->document()), m_element1(first), m_element2(second)
+{
+    ASSERT(m_element1);
+    ASSERT(m_element2);
+}
+
+void MergeIdenticalElementsCommand::doApply()
+{
+    ASSERT(m_element1);
+    ASSERT(m_element2);
+    ASSERT(m_element1->nextSibling() == m_element2);
+    
+    ExceptionCode ec = 0;
+
+    if (!m_atChild)
+        m_atChild = m_element2->firstChild();
+
+    while (m_element1->lastChild()) {
+        m_element2->insertBefore(m_element1->lastChild(), m_element2->firstChild(), ec);
+        ASSERT(ec == 0);
+    }
+
+    m_element2->parentNode()->removeChild(m_element1.get(), ec);
+    ASSERT(ec == 0);
+}
+
+void MergeIdenticalElementsCommand::doUnapply()
+{
+    ASSERT(m_element1);
+    ASSERT(m_element2);
+
+    ExceptionCode ec = 0;
+
+    m_element2->parent()->insertBefore(m_element1.get(), m_element2.get(), ec);
+    ASSERT(ec == 0);
+
+    while (m_element2->firstChild() != m_atChild) {
+        ASSERT(m_element2->firstChild());
+        m_element1->appendChild(m_element2->firstChild(), ec);
+        ASSERT(ec == 0);
+    }
+}
+
+} // namespace WebCore