| /* |
| * 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 |