1 files changed, 90 insertions, 0 deletions
diff --git a/WebCore/editing/SplitElementCommand.cpp b/WebCore/editing/SplitElementCommand.cpp
new file mode 100644
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+++ b/WebCore/editing/SplitElementCommand.cpp
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+/*
+ * 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 "SplitElementCommand.h"
+#include "Element.h"
+
+#include <wtf/Assertions.h>
+
+namespace WebCore {
+
+SplitElementCommand::SplitElementCommand(Element* element, Node* atChild)
+    : EditCommand(element->document()), m_element2(element), m_atChild(atChild)
+{
+    ASSERT(m_element2);
+    ASSERT(m_atChild);
+}
+
+void SplitElementCommand::doApply()
+{
+    ASSERT(m_element2);
+    ASSERT(m_atChild);
+    ASSERT(m_atChild->parentNode() == m_element2);
+
+    ExceptionCode ec = 0;
+
+    if (!m_element1) {
+        // create only if needed.
+        // if reapplying, this object will already exist.
+        m_element1 = static_pointer_cast<Element>(m_element2->cloneNode(false));
+        ASSERT(m_element1);
+    }
+
+    m_element2->parent()->insertBefore(m_element1.get(), m_element2.get(), ec);
+    ASSERT(ec == 0);
+    
+    // Bail if we were asked to split at a bogus child, to avoid hanging below.
+    if (!m_atChild || m_atChild->parentNode() != m_element2)
+        return;
+    
+    while (m_element2->firstChild() != m_atChild) {
+        ASSERT(m_element2->firstChild());
+        m_element1->appendChild(m_element2->firstChild(), ec);
+        ASSERT(ec == 0);
+    }
+}
+
+void SplitElementCommand::doUnapply()
+{
+    ASSERT(m_element1);
+    ASSERT(m_element2);
+    ASSERT(m_atChild);
+
+    ASSERT(m_element1->nextSibling() == m_element2);
+    ASSERT(m_element2->firstChild() && m_element2->firstChild() == m_atChild);
+
+    ExceptionCode ec = 0;
+
+    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);
+}
+
+} // namespace WebCore