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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google, Inc. All Rights Reserved. | 2 * Copyright (C) 2010 Google, Inc. All Rights Reserved. |
| 3 * Copyright (C) 2011 Apple Inc. All rights reserved. | 3 * Copyright (C) 2011 Apple Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| (...skipping 11 matching lines...) Expand all Loading... |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 */ | 25 */ |
| 26 | 26 |
| 27 #ifndef HTMLTreeBuilder_h | 27 #ifndef HTMLTreeBuilder_h |
| 28 #define HTMLTreeBuilder_h | 28 #define HTMLTreeBuilder_h |
| 29 | 29 |
| 30 #include "core/html/parser/HTMLConstructionSite.h" | 30 #include "core/html/parser/HTMLConstructionSite.h" |
| 31 #include "core/html/parser/HTMLElementStack.h" | 31 #include "core/html/parser/HTMLElementStack.h" |
| 32 #include "core/html/parser/HTMLParserOptions.h" | |
| 33 #include "platform/heap/Handle.h" | 32 #include "platform/heap/Handle.h" |
| 34 #include "wtf/Noncopyable.h" | 33 #include "wtf/Noncopyable.h" |
| 35 #include "wtf/PassOwnPtr.h" | 34 #include "wtf/PassOwnPtr.h" |
| 36 #include "wtf/PassRefPtr.h" | 35 #include "wtf/PassRefPtr.h" |
| 37 #include "wtf/RefPtr.h" | 36 #include "wtf/RefPtr.h" |
| 38 #include "wtf/Vector.h" | 37 #include "wtf/Vector.h" |
| 39 #include "wtf/text/StringBuilder.h" | 38 #include "wtf/text/StringBuilder.h" |
| 40 #include "wtf/text/TextPosition.h" | 39 #include "wtf/text/TextPosition.h" |
| 41 | 40 |
| 42 namespace blink { | 41 namespace blink { |
| 43 | 42 |
| 44 class AtomicHTMLToken; | 43 class AtomicHTMLToken; |
| 45 class Document; | 44 class Document; |
| 46 class DocumentFragment; | 45 class DocumentFragment; |
| 47 class Element; | 46 class Element; |
| 48 class LocalFrame; | 47 class LocalFrame; |
| 49 class HTMLToken; | 48 class HTMLToken; |
| 50 class HTMLDocument; | 49 class HTMLDocument; |
| 51 class Node; | 50 class Node; |
| 52 class HTMLDocumentParser; | 51 class HTMLDocumentParser; |
| 53 | 52 |
| 54 class HTMLTreeBuilder final : public NoBaseWillBeGarbageCollectedFinalized<HTMLT
reeBuilder> { | 53 class HTMLTreeBuilder final : public NoBaseWillBeGarbageCollectedFinalized<HTMLT
reeBuilder> { |
| 55 WTF_MAKE_NONCOPYABLE(HTMLTreeBuilder); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOV
ED; | 54 WTF_MAKE_NONCOPYABLE(HTMLTreeBuilder); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOV
ED; |
| 56 public: | 55 public: |
| 57 static PassOwnPtrWillBeRawPtr<HTMLTreeBuilder> create(HTMLDocumentParser* pa
rser, HTMLDocument* document, bool reportErrors, const HTMLParserOptions& option
s) | 56 static PassOwnPtrWillBeRawPtr<HTMLTreeBuilder> create(HTMLDocumentParser* pa
rser, HTMLDocument* document, bool reportErrors) |
| 58 { | 57 { |
| 59 return adoptPtrWillBeNoop(new HTMLTreeBuilder(parser, document, reportEr
rors, options)); | 58 return adoptPtrWillBeNoop(new HTMLTreeBuilder(parser, document, reportEr
rors)); |
| 60 } | |
| 61 static PassOwnPtrWillBeRawPtr<HTMLTreeBuilder> create(HTMLDocumentParser* pa
rser, DocumentFragment* fragment, Element* contextElement, const HTMLParserOptio
ns& options) | |
| 62 { | |
| 63 return adoptPtrWillBeNoop(new HTMLTreeBuilder(parser, fragment, contextE
lement, options)); | |
| 64 } | 59 } |
| 65 ~HTMLTreeBuilder(); | 60 ~HTMLTreeBuilder(); |
| 66 void trace(Visitor*); | |
| 67 | 61 |
| 68 const HTMLElementStack* openElements() const { return m_tree.openElements();
} | 62 const HTMLElementStack* openElements() const { return m_tree.openElements();
} |
| 69 | 63 |
| 70 bool isParsingFragment() const { return !!m_fragmentContext.fragment(); } | 64 bool isParsingFragment() const { return !!m_fragmentContext.fragment(); } |
| 71 | 65 |
| 72 void detach(); | 66 void detach(); |
| 73 | 67 |
| 74 void constructTree(AtomicHTMLToken*); | 68 void constructTree(AtomicHTMLToken*); |
| 75 | 69 |
| 76 bool hasParserBlockingScript() const { return !!m_scriptToProcess; } | 70 bool hasParserBlockingScript() const { return !!m_scriptToProcess; } |
| 77 // Must be called to take the parser-blocking script before calling the pars
er again. | 71 // Must be called to take the parser-blocking script before calling the pars
er again. |
| 78 PassRefPtrWillBeRawPtr<Element> takeScriptToProcess(TextPosition& scriptStar
tPosition); | 72 PassRefPtrWillBeRawPtr<Element> takeScriptToProcess(TextPosition& scriptStar
tPosition); |
| 79 | 73 |
| 80 // Done, close any open tags, etc. | 74 // Done, close any open tags, etc. |
| 81 void finished(); | 75 void finished(); |
| 82 | 76 |
| 83 // Synchronously empty any queues, possibly creating more DOM nodes. | 77 // Synchronously empty any queues, possibly creating more DOM nodes. |
| 84 void flush() { m_tree.flush(); } | 78 void flush() { m_tree.flush(); } |
| 85 | 79 |
| 86 private: | 80 private: |
| 87 class CharacterTokenBuffer; | 81 class CharacterTokenBuffer; |
| 88 // Represents HTML5 "insertion mode" | 82 // Represents HTML5 "insertion mode" |
| 89 // http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#
insertion-mode | 83 // http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#
insertion-mode |
| 90 enum InsertionMode { | 84 enum InsertionMode { |
| 91 HTMLMode, | 85 HTMLMode, |
| 92 TextMode, | 86 TextMode, |
| 93 }; | 87 }; |
| 94 | 88 |
| 95 HTMLTreeBuilder(HTMLDocumentParser*, HTMLDocument*, bool reportErrors, const
HTMLParserOptions&); | 89 HTMLTreeBuilder(HTMLDocumentParser*, HTMLDocument*, bool reportErrors); |
| 96 HTMLTreeBuilder(HTMLDocumentParser*, DocumentFragment*, Element* contextElem
ent, const HTMLParserOptions&); | |
| 97 | 90 |
| 98 void processStartTag(AtomicHTMLToken*); | 91 void processStartTag(AtomicHTMLToken*); |
| 99 void processEndTag(AtomicHTMLToken*); | 92 void processEndTag(AtomicHTMLToken*); |
| 100 void processCharacter(AtomicHTMLToken*); | 93 void processCharacter(AtomicHTMLToken*); |
| 101 void processEndOfFile(AtomicHTMLToken*); | 94 void processEndOfFile(AtomicHTMLToken*); |
| 102 | 95 |
| 103 void processGenericRawTextStartTag(AtomicHTMLToken*); | 96 void processGenericRawTextStartTag(AtomicHTMLToken*); |
| 104 void processScriptStartTag(AtomicHTMLToken*); | 97 void processScriptStartTag(AtomicHTMLToken*); |
| 105 | 98 |
| 106 InsertionMode insertionMode() const { return m_insertionMode; } | 99 InsertionMode insertionMode() const { return m_insertionMode; } |
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| 133 | 126 |
| 134 // http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#
original-insertion-mode | 127 // http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#
original-insertion-mode |
| 135 InsertionMode m_originalInsertionMode; | 128 InsertionMode m_originalInsertionMode; |
| 136 | 129 |
| 137 // We access parser because HTML5 spec requires that we be able to change th
e state of the tokenizer | 130 // We access parser because HTML5 spec requires that we be able to change th
e state of the tokenizer |
| 138 // from within parser actions. We also need it to track the current position
. | 131 // from within parser actions. We also need it to track the current position
. |
| 139 RawPtrWillBeMember<HTMLDocumentParser> m_parser; | 132 RawPtrWillBeMember<HTMLDocumentParser> m_parser; |
| 140 | 133 |
| 141 RefPtrWillBeMember<Element> m_scriptToProcess; // <script> tag which needs p
rocessing before resuming the parser. | 134 RefPtrWillBeMember<Element> m_scriptToProcess; // <script> tag which needs p
rocessing before resuming the parser. |
| 142 TextPosition m_scriptToProcessStartPosition; // Starting line number of the
script tag needing processing. | 135 TextPosition m_scriptToProcessStartPosition; // Starting line number of the
script tag needing processing. |
| 143 | |
| 144 HTMLParserOptions m_options; | |
| 145 }; | 136 }; |
| 146 | 137 |
| 147 } | 138 } |
| 148 | 139 |
| 149 #endif | 140 #endif |
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