File indexing completed on 2024-04-28 15:24:47
0001 /* 0002 * This file is part of the DOM implementation for KDE. 0003 * 0004 * Copyright (C) 1999 Lars Knoll <knoll@kde.org> 0005 * Copyright (C) 2000 Gunnstein Lye <gunnstein@netcom.no> 0006 * Copyright (C) 2000 Frederik Holljen <frederik.holljen@hig.no> 0007 * Copyright (C) 2001 Peter Kelly <pmk@post.com> 0008 * 0009 * This library is free software; you can redistribute it and/or 0010 * modify it under the terms of the GNU Library General Public 0011 * License as published by the Free Software Foundation; either 0012 * version 2 of the License, or (at your option) any later version. 0013 * 0014 * This library is distributed in the hope that it will be useful, 0015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0017 * Library General Public License for more details. 0018 * 0019 * You should have received a copy of the GNU Library General Public License 0020 * along with this library; see the file COPYING.LIB. If not, write to 0021 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0022 * Boston, MA 02110-1301, USA. 0023 * 0024 */ 0025 0026 #ifndef _DOM2_RangeImpl_h_ 0027 #define _DOM2_RangeImpl_h_ 0028 0029 #include "dom/dom2_range.h" 0030 #include "misc/shared.h" 0031 0032 namespace DOM 0033 { 0034 0035 class RangeImpl : public khtml::Shared<RangeImpl> 0036 { 0037 friend class DocumentImpl; 0038 public: 0039 RangeImpl(DocumentImpl *_ownerDocument); 0040 RangeImpl(DocumentImpl *_ownerDocument, 0041 NodeImpl *_startContainer, long _startOffset, 0042 NodeImpl *_endContainer, long _endOffset); 0043 0044 ~RangeImpl(); 0045 0046 NodeImpl *startContainer(int &exceptioncode) const; 0047 long startOffset(int &exceptioncode) const; 0048 NodeImpl *endContainer(int &exceptioncode) const; 0049 long endOffset(int &exceptioncode) const; 0050 bool collapsed(int &exceptioncode) const; 0051 0052 NodeImpl *commonAncestorContainer(int &exceptioncode); 0053 static NodeImpl *commonAncestorContainer(NodeImpl *containerA, NodeImpl *containerB); 0054 void setStart(NodeImpl *refNode, long offset, int &exceptioncode); 0055 void setEnd(NodeImpl *refNode, long offset, int &exceptioncode); 0056 void collapse(bool toStart, int &exceptioncode); 0057 short compareBoundaryPoints(Range::CompareHow how, RangeImpl *sourceRange, int &exceptioncode); 0058 static short compareBoundaryPoints(NodeImpl *containerA, long offsetA, NodeImpl *containerB, long offsetB); 0059 bool boundaryPointsValid(); 0060 void deleteContents(int &exceptioncode); 0061 DocumentFragmentImpl *extractContents(int &exceptioncode); 0062 DocumentFragmentImpl *cloneContents(int &exceptioncode); 0063 void insertNode(NodeImpl *newNode, int &exceptioncode); 0064 DOMString toString(int &exceptioncode); 0065 /** Converts the selection to HTML. The returned string will have matching 0066 * tags, and all td, tr, etc tags will be inside a table tag. CSS is not 0067 * used at this stage - This needs to be fixed. 0068 * 0069 * This is guaranteed to produce an xml valid snippet, no matter how crappy the input 0070 * html page is. It will have html and body tags. 0071 * 0072 * Any urls in images or links will be expanded to full urls <em>with passwords stripped</em> 0073 * for security reasons. 0074 * 0075 * Note: Originally this function didn't have the exceptioncode argument. I added it 0076 * since all the other functions do. If this is correct, please remove this comment. 0077 * 0078 * @param exceptioncode This will be set if m_detached is true. 0079 * @return A string with html tags for this range. 0080 */ 0081 DOMString toHTML(int &exceptioncode); 0082 0083 DocumentFragment createContextualFragment(const DOMString &html, int &exceptioncode); 0084 0085 void detach(int &exceptioncode); 0086 bool isDetached() const; 0087 RangeImpl *cloneRange(int &exceptioncode); 0088 0089 void setStartAfter(NodeImpl *refNode, int &exceptioncode); 0090 void setEndBefore(NodeImpl *refNode, int &exceptioncode); 0091 void setEndAfter(NodeImpl *refNode, int &exceptioncode); 0092 void selectNode(NodeImpl *refNode, int &exceptioncode); 0093 void selectNodeContents(NodeImpl *refNode, int &exceptioncode); 0094 void surroundContents(NodeImpl *newParent, int &exceptioncode); 0095 void setStartBefore(NodeImpl *refNode, int &exceptioncode); 0096 0097 enum ActionType { 0098 DELETE_CONTENTS, 0099 EXTRACT_CONTENTS, 0100 CLONE_CONTENTS 0101 }; 0102 DocumentFragmentImpl *processContents(ActionType action, int &exceptioncode); 0103 0104 bool readOnly() 0105 { 0106 return false; 0107 } 0108 0109 DocumentImpl *ownerDocument() 0110 { 0111 return m_ownerDocument; 0112 } 0113 0114 protected: 0115 DocumentImpl *m_ownerDocument; 0116 NodeImpl *m_startContainer; 0117 unsigned long m_startOffset; 0118 NodeImpl *m_endContainer; 0119 unsigned long m_endOffset; 0120 bool m_detached; 0121 0122 private: 0123 void checkNodeWOffset(NodeImpl *n, int offset, int &exceptioncode) const; 0124 void checkNodeBA(NodeImpl *n, int &exceptioncode) const; 0125 void setStartContainer(NodeImpl *_startContainer); 0126 void setEndContainer(NodeImpl *_endContainer); 0127 void checkDeleteExtract(int &exceptioncode); 0128 bool containedByReadOnly(); 0129 unsigned long maxEndOffset() const; 0130 unsigned long maxStartOffset() const; 0131 }; 0132 0133 } // namespace 0134 0135 #endif 0136