1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef PlainTextRange_h 27 #define PlainTextRange_h 28 29 #include "platform/heap/Handle.h" 30 #include "wtf/NotFound.h" 31 #include "wtf/PassRefPtr.h" 32 33 namespace blink { 34 35 class ContainerNode; 36 class Range; 37 38 class PlainTextRange { 39 public: 40 PlainTextRange(); 41 PlainTextRange(const PlainTextRange&); 42 explicit PlainTextRange(int location); 43 PlainTextRange(int start, int end); 44 45 size_t end() const { ASSERT(!isNull()); return m_end; } 46 size_t start() const { ASSERT(!isNull()); return m_start; } 47 bool isNull() const { return m_start == kNotFound; } 48 bool isNotNull() const { return m_start != kNotFound; } 49 size_t length() const { ASSERT(!isNull()); return m_end - m_start; } 50 51 PassRefPtrWillBeRawPtr<Range> createRange(const ContainerNode& scope) const; 52 PassRefPtrWillBeRawPtr<Range> createRangeForSelection(const ContainerNode& scope) const; 53 54 static PlainTextRange create(const ContainerNode& scope, const Range&); 55 56 private: 57 PlainTextRange& operator=(const PlainTextRange&) WTF_DELETED_FUNCTION; 58 59 enum GetRangeFor { ForGeneric, ForSelection }; 60 PassRefPtrWillBeRawPtr<Range> createRangeFor(const ContainerNode& scope, GetRangeFor) const; 61 62 const size_t m_start; 63 const size_t m_end; 64 }; 65 66 } // namespace blink 67 68 #endif // PlainTextRange_h 69
