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| 1 /* | 1 /* |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no) | 3 * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no) |
| 4 * Copyright (C) 2001 Peter Kelly (pmk@post.com) | 4 * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
| 5 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | 5 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| 6 * Copyright (C) 2004, 2008 Apple Inc. All rights reserved. | 6 * Copyright (C) 2004, 2008 Apple Inc. All rights reserved. |
| 7 * | 7 * |
| 8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
| 9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
| 10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
| (...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 79 root()->document().attachNodeIterator(this); | 79 root()->document().attachNodeIterator(this); |
| 80 } | 80 } |
| 81 | 81 |
| 82 Node* NodeIterator::nextNode(ExceptionState& exceptionState) | 82 Node* NodeIterator::nextNode(ExceptionState& exceptionState) |
| 83 { | 83 { |
| 84 Node* result = nullptr; | 84 Node* result = nullptr; |
| 85 | 85 |
| 86 m_candidateNode = m_referenceNode; | 86 m_candidateNode = m_referenceNode; |
| 87 while (m_candidateNode.moveToNext(root())) { | 87 while (m_candidateNode.moveToNext(root())) { |
| 88 // NodeIterators treat the DOM tree as a flat list of nodes. | 88 // NodeIterators treat the DOM tree as a flat list of nodes. |
| 89 // In other words, FILTER_REJECT does not pass over descendants | 89 // In other words, kFilterReject does not pass over descendants |
| 90 // of the rejected node. Hence, FILTER_REJECT is the same as FILTER_SKIP
. | 90 // of the rejected node. Hence, kFilterReject is the same as kFilterSkip
. |
| 91 Node* provisionalResult = m_candidateNode.node; | 91 Node* provisionalResult = m_candidateNode.node; |
| 92 bool nodeWasAccepted = acceptNode(provisionalResult, exceptionState) ==
NodeFilter::FILTER_ACCEPT; | 92 bool nodeWasAccepted = acceptNode(provisionalResult, exceptionState) ==
NodeFilter::kFilterAccept; |
| 93 if (exceptionState.hadException()) | 93 if (exceptionState.hadException()) |
| 94 break; | 94 break; |
| 95 if (nodeWasAccepted) { | 95 if (nodeWasAccepted) { |
| 96 m_referenceNode = m_candidateNode; | 96 m_referenceNode = m_candidateNode; |
| 97 result = provisionalResult; | 97 result = provisionalResult; |
| 98 break; | 98 break; |
| 99 } | 99 } |
| 100 } | 100 } |
| 101 | 101 |
| 102 m_candidateNode.clear(); | 102 m_candidateNode.clear(); |
| 103 return result; | 103 return result; |
| 104 } | 104 } |
| 105 | 105 |
| 106 Node* NodeIterator::previousNode(ExceptionState& exceptionState) | 106 Node* NodeIterator::previousNode(ExceptionState& exceptionState) |
| 107 { | 107 { |
| 108 Node* result = nullptr; | 108 Node* result = nullptr; |
| 109 | 109 |
| 110 m_candidateNode = m_referenceNode; | 110 m_candidateNode = m_referenceNode; |
| 111 while (m_candidateNode.moveToPrevious(root())) { | 111 while (m_candidateNode.moveToPrevious(root())) { |
| 112 // NodeIterators treat the DOM tree as a flat list of nodes. | 112 // NodeIterators treat the DOM tree as a flat list of nodes. |
| 113 // In other words, FILTER_REJECT does not pass over descendants | 113 // In other words, kFilterReject does not pass over descendants |
| 114 // of the rejected node. Hence, FILTER_REJECT is the same as FILTER_SKIP
. | 114 // of the rejected node. Hence, kFilterReject is the same as kFilterSkip
. |
| 115 Node* provisionalResult = m_candidateNode.node; | 115 Node* provisionalResult = m_candidateNode.node; |
| 116 bool nodeWasAccepted = acceptNode(provisionalResult, exceptionState) ==
NodeFilter::FILTER_ACCEPT; | 116 bool nodeWasAccepted = acceptNode(provisionalResult, exceptionState) ==
NodeFilter::kFilterAccept; |
| 117 if (exceptionState.hadException()) | 117 if (exceptionState.hadException()) |
| 118 break; | 118 break; |
| 119 if (nodeWasAccepted) { | 119 if (nodeWasAccepted) { |
| 120 m_referenceNode = m_candidateNode; | 120 m_referenceNode = m_candidateNode; |
| 121 result = provisionalResult; | 121 result = provisionalResult; |
| 122 break; | 122 break; |
| 123 } | 123 } |
| 124 } | 124 } |
| 125 | 125 |
| 126 m_candidateNode.clear(); | 126 m_candidateNode.clear(); |
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| 210 visitor->trace(m_candidateNode); | 210 visitor->trace(m_candidateNode); |
| 211 NodeIteratorBase::trace(visitor); | 211 NodeIteratorBase::trace(visitor); |
| 212 } | 212 } |
| 213 | 213 |
| 214 DEFINE_TRACE_WRAPPERS(NodeIterator) | 214 DEFINE_TRACE_WRAPPERS(NodeIterator) |
| 215 { | 215 { |
| 216 NodeIteratorBase::traceWrappers(visitor); | 216 NodeIteratorBase::traceWrappers(visitor); |
| 217 } | 217 } |
| 218 | 218 |
| 219 } // namespace blink | 219 } // namespace blink |
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