diff options
Diffstat (limited to 'WebCore/editing/DeleteFromTextNodeCommand.cpp')
-rw-r--r-- | WebCore/editing/DeleteFromTextNodeCommand.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/WebCore/editing/DeleteFromTextNodeCommand.cpp b/WebCore/editing/DeleteFromTextNodeCommand.cpp new file mode 100644 index 0000000..90f4514 --- /dev/null +++ b/WebCore/editing/DeleteFromTextNodeCommand.cpp @@ -0,0 +1,64 @@ +/* + * 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 "DeleteFromTextNodeCommand.h" + +#include "Text.h" + +namespace WebCore { + +DeleteFromTextNodeCommand::DeleteFromTextNodeCommand(Text *node, int offset, int count) + : EditCommand(node->document()), m_node(node), m_offset(offset), m_count(count) +{ + ASSERT(m_node); + ASSERT(m_offset >= 0); + ASSERT(m_offset < (int)m_node->length()); + ASSERT(m_count >= 0); +} + +void DeleteFromTextNodeCommand::doApply() +{ + ASSERT(m_node); + + ExceptionCode ec = 0; + m_text = m_node->substringData(m_offset, m_count, ec); + ASSERT(ec == 0); + + m_node->deleteData(m_offset, m_count, ec); + ASSERT(ec == 0); +} + +void DeleteFromTextNodeCommand::doUnapply() +{ + ASSERT(m_node); + ASSERT(!m_text.isEmpty()); + + ExceptionCode ec = 0; + m_node->insertData(m_offset, m_text, ec); + ASSERT(ec == 0); +} + +} // namespace WebCore |