1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebRange_h 32 #define WebRange_h 33 34 #include "WebCommon.h" 35 36 #if WEBKIT_IMPLEMENTATION 37 namespace WebCore { class Range; } 38 namespace WTF { template <typename T> class PassRefPtr; } 39 #endif 40 namespace WebCore { class Node; } 41 42 namespace WebKit { 43 44 class WebRangePrivate; 45 class WebString; 46 47 // Provides readonly access to some properties of a DOM range. 48 class WebRange { 49 public: ~WebRange()50 ~WebRange() { reset(); } 51 WebRange()52 WebRange() : m_private(0) { } WebRange(const WebRange & r)53 WebRange(const WebRange& r) : m_private(0) { assign(r); } 54 WebRange& operator=(const WebRange& r) 55 { 56 assign(r); 57 return *this; 58 } 59 60 WEBKIT_API void reset(); 61 WEBKIT_API void assign(const WebRange&); 62 isNull()63 bool isNull() const { return !m_private; } 64 65 WEBKIT_API int startOffset() const; 66 WEBKIT_API int endOffset() const; 67 WEBKIT_API WebCore::Node* startContainer(int& exceptionCode) const; 68 WEBKIT_API WebCore::Node* endContainer(int& exceptionCode) const; 69 70 WEBKIT_API WebString toHTMLText() const; 71 WEBKIT_API WebString toPlainText() const; 72 73 #if WEBKIT_IMPLEMENTATION 74 WebRange(const WTF::PassRefPtr<WebCore::Range>&); 75 WebRange& operator=(const WTF::PassRefPtr<WebCore::Range>&); 76 operator WTF::PassRefPtr<WebCore::Range>() const; 77 #endif 78 79 private: 80 void assign(WebRangePrivate*); 81 WebRangePrivate* m_private; 82 }; 83 84 } // namespace WebKit 85 86 #endif 87