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Side by Side Diff: Source/core/editing/iterators/SimplifiedBackwardsTextIterator.h

Issue 940373003: Rename RenderText to LayoutText (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 5 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved. 2 * Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
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26 #ifndef SimplifiedBackwardsTextIterator_h 26 #ifndef SimplifiedBackwardsTextIterator_h
27 #define SimplifiedBackwardsTextIterator_h 27 #define SimplifiedBackwardsTextIterator_h
28 28
29 #include "core/dom/Range.h" 29 #include "core/dom/Range.h"
30 #include "core/editing/iterators/BitStack.h" 30 #include "core/editing/iterators/BitStack.h"
31 #include "core/editing/iterators/TextIteratorFlags.h" 31 #include "core/editing/iterators/TextIteratorFlags.h"
32 #include "platform/heap/Heap.h" 32 #include "platform/heap/Heap.h"
33 33
34 namespace blink { 34 namespace blink {
35 35
36 class RenderText; 36 class LayoutText;
37 class RenderTextFragment; 37 class LayoutTextFragment;
38 38
39 // Iterates through the DOM range, returning all the text, and 0-length boundari es 39 // Iterates through the DOM range, returning all the text, and 0-length boundari es
40 // at points where replaced elements break up the text flow. The text comes back in 40 // at points where replaced elements break up the text flow. The text comes back in
41 // chunks so as to optimize for performance of the iteration. 41 // chunks so as to optimize for performance of the iteration.
42 class SimplifiedBackwardsTextIterator { 42 class SimplifiedBackwardsTextIterator {
43 STACK_ALLOCATED(); 43 STACK_ALLOCATED();
44 public: 44 public:
45 explicit SimplifiedBackwardsTextIterator(const Range*, TextIteratorBehaviorF lags = TextIteratorDefaultBehavior); 45 explicit SimplifiedBackwardsTextIterator(const Range*, TextIteratorBehaviorF lags = TextIteratorDefaultBehavior);
46 SimplifiedBackwardsTextIterator(const Position& start, const Position& end, TextIteratorBehaviorFlags = TextIteratorDefaultBehavior); 46 SimplifiedBackwardsTextIterator(const Position& start, const Position& end, TextIteratorBehaviorFlags = TextIteratorDefaultBehavior);
47 47
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65 65
66 Node* startContainer() const; 66 Node* startContainer() const;
67 int endOffset() const; 67 int endOffset() const;
68 Position startPosition() const; 68 Position startPosition() const;
69 Position endPosition() const; 69 Position endPosition() const;
70 70
71 private: 71 private:
72 void init(Node* startNode, Node* endNode, int startOffset, int endOffset); 72 void init(Node* startNode, Node* endNode, int startOffset, int endOffset);
73 void exitNode(); 73 void exitNode();
74 bool handleTextNode(); 74 bool handleTextNode();
75 RenderText* handleFirstLetter(int& startOffset, int& offsetInNode); 75 LayoutText* handleFirstLetter(int& startOffset, int& offsetInNode);
76 bool handleReplacedElement(); 76 bool handleReplacedElement();
77 bool handleNonTextNode(); 77 bool handleNonTextNode();
78 void emitCharacter(UChar, Node*, int startOffset, int endOffset); 78 void emitCharacter(UChar, Node*, int startOffset, int endOffset);
79 bool advanceRespectingRange(Node*); 79 bool advanceRespectingRange(Node*);
80 80
81 // Current position, not necessarily of the text being returned, but positio n 81 // Current position, not necessarily of the text being returned, but positio n
82 // as we walk through the DOM tree. 82 // as we walk through the DOM tree.
83 RawPtrWillBeMember<Node> m_node; 83 RawPtrWillBeMember<Node> m_node;
84 int m_offset; 84 int m_offset;
85 bool m_handledNode; 85 bool m_handledNode;
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117 // Used when m_stopsOnFormControls is set to determine if the iterator shoul d keep advancing. 117 // Used when m_stopsOnFormControls is set to determine if the iterator shoul d keep advancing.
118 bool m_shouldStop; 118 bool m_shouldStop;
119 119
120 // Used in pasting inside password field. 120 // Used in pasting inside password field.
121 bool m_emitsOriginalText; 121 bool m_emitsOriginalText;
122 }; 122 };
123 123
124 } // namespace blink 124 } // namespace blink
125 125
126 #endif // SimplifiedBackwardsTextIterator_h 126 #endif // SimplifiedBackwardsTextIterator_h
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