/*
* Copyright (C) 2006, 2007, 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.
*/
#ifndef PlainTextRange_h
#define PlainTextRange_h
#include "platform/heap/Handle.h"
#include "wtf/NotFound.h"
#include "wtf/PassRefPtr.h"
namespace WebCore {
class ContainerNode;
class Node;
class Range;
class PlainTextRange {
public:
PlainTextRange();
PlainTextRange(const PlainTextRange&);
explicit PlainTextRange(int location);
PlainTextRange(int start, int end);
size_t end() const { ASSERT(!isNull()); return m_end; }
size_t start() const { ASSERT(!isNull()); return m_start; }
bool isNull() const { return m_start == kNotFound; }
bool isNotNull() const { return m_start != kNotFound; }
size_t length() const { ASSERT(!isNull()); return m_end - m_start; }
PassRefPtrWillBeRawPtr<Range> createRange(const ContainerNode& scope) const;
PassRefPtrWillBeRawPtr<Range> createRangeForSelection(const ContainerNode& scope) const;
static PlainTextRange create(const Node& scope, const Range&);
private:
PlainTextRange& operator=(const PlainTextRange&) WTF_DELETED_FUNCTION;
enum GetRangeFor { ForGeneric, ForSelection };
PassRefPtrWillBeRawPtr<Range> createRangeFor(const ContainerNode& scope, GetRangeFor) const;
const size_t m_start;
const size_t m_end;
};
} // namespace WebCore
#endif // PlainTextRange_h