author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* (C) 1999 Lars Knoll (knoll@kde.org) |
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* (C) 2000 Gunnstein Lye (gunnstein@netcom.no) |
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* (C) 2000 Frederik Holljen (frederik.holljen@hig.no) |
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* (C) 2001 Peter Kelly (pmk@post.com) |
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* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#ifndef Range_h |
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#define Range_h |
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#include "FloatQuad.h" |
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#include "RangeBoundaryPoint.h" |
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#include <wtf/Forward.h> |
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#include <wtf/RefCounted.h> |
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namespace WebCore { |
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class ClientRect; |
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class ClientRectList; |
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class DocumentFragment; |
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class NodeWithIndex; |
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class Text; |
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class Range : public RefCounted<Range> { |
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public: |
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static PassRefPtr<Range> create(PassRefPtr<Document>); |
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static PassRefPtr<Range> create(PassRefPtr<Document>, PassRefPtr<Node> startContainer, int startOffset, PassRefPtr<Node> endContainer, int endOffset); |
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static PassRefPtr<Range> create(PassRefPtr<Document>, const Position&, const Position&); |
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~Range(); |
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Document* ownerDocument() const { return m_ownerDocument.get(); } |
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Node* startContainer() const { return m_start.container(); } |
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int startOffset() const { return m_start.offset(); } |
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Node* endContainer() const { return m_end.container(); } |
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int endOffset() const { return m_end.offset(); } |
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Node* startContainer(ExceptionCode&) const; |
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int startOffset(ExceptionCode&) const; |
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Node* endContainer(ExceptionCode&) const; |
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int endOffset(ExceptionCode&) const; |
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bool collapsed(ExceptionCode&) const; |
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Node* commonAncestorContainer(ExceptionCode&) const; |
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static Node* commonAncestorContainer(Node* containerA, Node* containerB); |
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void setStart(PassRefPtr<Node> container, int offset, ExceptionCode&); |
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void setEnd(PassRefPtr<Node> container, int offset, ExceptionCode&); |
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void collapse(bool toStart, ExceptionCode&); |
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bool isPointInRange(Node* refNode, int offset, ExceptionCode&); |
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short comparePoint(Node* refNode, int offset, ExceptionCode&) const; |
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enum CompareResults { NODE_BEFORE, NODE_AFTER, NODE_BEFORE_AND_AFTER, NODE_INSIDE }; |
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CompareResults compareNode(Node* refNode, ExceptionCode&) const; |
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enum CompareHow { START_TO_START, START_TO_END, END_TO_END, END_TO_START }; |
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short compareBoundaryPoints(CompareHow, const Range* sourceRange, ExceptionCode&) const; |
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static short compareBoundaryPoints(Node* containerA, int offsetA, Node* containerB, int offsetB); |
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static short compareBoundaryPoints(const RangeBoundaryPoint& boundaryA, const RangeBoundaryPoint& boundaryB); |
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bool boundaryPointsValid() const; |
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bool intersectsNode(Node* refNode, ExceptionCode&); |
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void deleteContents(ExceptionCode&); |
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PassRefPtr<DocumentFragment> extractContents(ExceptionCode&); |
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PassRefPtr<DocumentFragment> cloneContents(ExceptionCode&); |
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void insertNode(PassRefPtr<Node>, ExceptionCode&); |
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String toString(ExceptionCode&) const; |
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String toHTML() const; |
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String text() const; |
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PassRefPtr<DocumentFragment> createContextualFragment(const String& html, ExceptionCode&) const; |
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void detach(ExceptionCode&); |
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PassRefPtr<Range> cloneRange(ExceptionCode&) const; |
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void setStartAfter(Node*, ExceptionCode&); |
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void setEndBefore(Node*, ExceptionCode&); |
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void setEndAfter(Node*, ExceptionCode&); |
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void selectNode(Node*, ExceptionCode&); |
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void selectNodeContents(Node*, ExceptionCode&); |
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void surroundContents(PassRefPtr<Node>, ExceptionCode&); |
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void setStartBefore(Node*, ExceptionCode&); |
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const Position startPosition() const { return m_start.toPosition(); } |
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const Position endPosition() const { return m_end.toPosition(); } |
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Node* firstNode() const; |
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Node* pastLastNode() const; |
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Position editingStartPosition() const; |
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Node* shadowTreeRootNode() const; |
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IntRect boundingBox(); |
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// Not transform-friendly |
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void textRects(Vector<IntRect>&, bool useSelectionHeight = false); |
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// Transform-friendly |
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void textQuads(Vector<FloatQuad>&, bool useSelectionHeight = false); |
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void nodeChildrenChanged(ContainerNode*); |
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void nodeChildrenWillBeRemoved(ContainerNode*); |
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void nodeWillBeRemoved(Node*); |
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void textInserted(Node*, unsigned offset, unsigned length); |
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void textRemoved(Node*, unsigned offset, unsigned length); |
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void textNodesMerged(NodeWithIndex& oldNode, unsigned offset); |
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void textNodeSplit(Text* oldNode); |
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// Expand range to a unit (word or sentence or block or document) boundary. |
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// Please refer to https://bugs.webkit.org/show_bug.cgi?id=27632 comment #5 |
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// for details. |
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void expand(const String&, ExceptionCode&); |
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PassRefPtr<ClientRectList> getClientRects() const; |
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PassRefPtr<ClientRect> getBoundingClientRect() const; |
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#ifndef NDEBUG |
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void formatForDebugger(char* buffer, unsigned length) const; |
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#endif |
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private: |
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Range(PassRefPtr<Document>); |
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Range(PassRefPtr<Document>, PassRefPtr<Node> startContainer, int startOffset, PassRefPtr<Node> endContainer, int endOffset); |
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Node* checkNodeWOffset(Node*, int offset, ExceptionCode&) const; |
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void checkNodeBA(Node*, ExceptionCode&) const; |
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void checkDeleteExtract(ExceptionCode&); |
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bool containedByReadOnly() const; |
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int maxStartOffset() const; |
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int maxEndOffset() const; |
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enum ActionType { DELETE_CONTENTS, EXTRACT_CONTENTS, CLONE_CONTENTS }; |
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PassRefPtr<DocumentFragment> processContents(ActionType, ExceptionCode&); |
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void getBorderAndTextQuads(Vector<FloatQuad>&) const; |
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RefPtr<Document> m_ownerDocument; |
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RangeBoundaryPoint m_start; |
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RangeBoundaryPoint m_end; |
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}; |
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PassRefPtr<Range> rangeOfContents(Node*); |
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bool areRangesEqual(const Range*, const Range*); |
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} // namespace |
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#ifndef NDEBUG |
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// Outside the WebCore namespace for ease of invocation from gdb. |
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void showTree(const WebCore::Range*); |
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#endif |
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#endif |