The Tor Browser / file comparison
comparison: parser/html/nsHtml5StringParser.cpp
parser/html/nsHtml5StringParser.cpp
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
equal
deleted
inserted
replaced
| -1:000000000000 | 0:e34b6446b17d |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "nsHtml5StringParser.h" | |
| 6 #include "nsHtml5TreeOpExecutor.h" | |
| 7 #include "nsHtml5TreeBuilder.h" | |
| 8 #include "nsHtml5Tokenizer.h" | |
| 9 #include "nsIContent.h" | |
| 10 #include "nsIDocument.h" | |
| 11 #include "nsIDOMDocumentFragment.h" | |
| 12 #include "nsHtml5DependentUTF16Buffer.h" | |
| 13 | |
| 14 NS_IMPL_ISUPPORTS0(nsHtml5StringParser) | |
| 15 | |
| 16 nsHtml5StringParser::nsHtml5StringParser() | |
| 17 : mBuilder(new nsHtml5OplessBuilder()) | |
| 18 , mTreeBuilder(new nsHtml5TreeBuilder(mBuilder)) | |
| 19 , mTokenizer(new nsHtml5Tokenizer(mTreeBuilder, false)) | |
| 20 { | |
| 21 MOZ_COUNT_CTOR(nsHtml5StringParser); | |
| 22 mTokenizer->setInterner(&mAtomTable); | |
| 23 } | |
| 24 | |
| 25 nsHtml5StringParser::~nsHtml5StringParser() | |
| 26 { | |
| 27 MOZ_COUNT_DTOR(nsHtml5StringParser); | |
| 28 } | |
| 29 | |
| 30 nsresult | |
| 31 nsHtml5StringParser::ParseFragment(const nsAString& aSourceBuffer, | |
| 32 nsIContent* aTargetNode, | |
| 33 nsIAtom* aContextLocalName, | |
| 34 int32_t aContextNamespace, | |
| 35 bool aQuirks, | |
| 36 bool aPreventScriptExecution) | |
| 37 { | |
| 38 NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX, | |
| 39 NS_ERROR_OUT_OF_MEMORY); | |
| 40 | |
| 41 nsIDocument* doc = aTargetNode->OwnerDoc(); | |
| 42 nsIURI* uri = doc->GetDocumentURI(); | |
| 43 NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE); | |
| 44 | |
| 45 mTreeBuilder->setFragmentContext(aContextLocalName, | |
| 46 aContextNamespace, | |
| 47 aTargetNode, | |
| 48 aQuirks); | |
| 49 | |
| 50 #ifdef DEBUG | |
| 51 if (!aPreventScriptExecution) { | |
| 52 NS_ASSERTION(!aTargetNode->IsInDoc(), | |
| 53 "If script execution isn't prevented, " | |
| 54 "the target node must not be in doc."); | |
| 55 nsCOMPtr<nsIDOMDocumentFragment> domFrag = do_QueryInterface(aTargetNode); | |
| 56 NS_ASSERTION(domFrag, | |
| 57 "If script execution isn't prevented, must parse to DOM fragment."); | |
| 58 } | |
| 59 #endif | |
| 60 | |
| 61 mTreeBuilder->SetPreventScriptExecution(aPreventScriptExecution); | |
| 62 | |
| 63 return Tokenize(aSourceBuffer, doc, true); | |
| 64 } | |
| 65 | |
| 66 nsresult | |
| 67 nsHtml5StringParser::ParseDocument(const nsAString& aSourceBuffer, | |
| 68 nsIDocument* aTargetDoc, | |
| 69 bool aScriptingEnabledForNoscriptParsing) | |
| 70 { | |
| 71 MOZ_ASSERT(!aTargetDoc->GetFirstChild()); | |
| 72 | |
| 73 NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX, | |
| 74 NS_ERROR_OUT_OF_MEMORY); | |
| 75 | |
| 76 mTreeBuilder->setFragmentContext(nullptr, | |
| 77 kNameSpaceID_None, | |
| 78 nullptr, | |
| 79 false); | |
| 80 | |
| 81 mTreeBuilder->SetPreventScriptExecution(true); | |
| 82 | |
| 83 return Tokenize(aSourceBuffer, aTargetDoc, aScriptingEnabledForNoscriptParsing); | |
| 84 } | |
| 85 | |
| 86 nsresult | |
| 87 nsHtml5StringParser::Tokenize(const nsAString& aSourceBuffer, | |
| 88 nsIDocument* aDocument, | |
| 89 bool aScriptingEnabledForNoscriptParsing) { | |
| 90 | |
| 91 nsIURI* uri = aDocument->GetDocumentURI(); | |
| 92 | |
| 93 mBuilder->Init(aDocument, uri, nullptr, nullptr); | |
| 94 | |
| 95 mBuilder->SetParser(this); | |
| 96 mBuilder->SetNodeInfoManager(aDocument->NodeInfoManager()); | |
| 97 | |
| 98 // Mark the parser as *not* broken by passing NS_OK | |
| 99 nsresult rv = mBuilder->MarkAsBroken(NS_OK); | |
| 100 | |
| 101 mTreeBuilder->setScriptingEnabled(aScriptingEnabledForNoscriptParsing); | |
| 102 mTreeBuilder->setIsSrcdocDocument(aDocument->IsSrcdocDocument()); | |
| 103 mBuilder->Start(); | |
| 104 mTokenizer->start(); | |
| 105 if (!aSourceBuffer.IsEmpty()) { | |
| 106 bool lastWasCR = false; | |
| 107 nsHtml5DependentUTF16Buffer buffer(aSourceBuffer); | |
| 108 while (buffer.hasMore()) { | |
| 109 buffer.adjust(lastWasCR); | |
| 110 lastWasCR = false; | |
| 111 if (buffer.hasMore()) { | |
| 112 lastWasCR = mTokenizer->tokenizeBuffer(&buffer); | |
| 113 if (NS_FAILED(rv = mBuilder->IsBroken())) { | |
| 114 break; | |
| 115 } | |
| 116 } | |
| 117 } | |
| 118 } | |
| 119 mTokenizer->eof(); | |
| 120 mTokenizer->end(); | |
| 121 mBuilder->Finish(); | |
| 122 mAtomTable.Clear(); | |
| 123 return rv; | |
| 124 } |
