parser/htmlparser/src/nsExpatDriver.h@6474c204b198 (annotated)
parser/htmlparser/src/nsExpatDriver.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef NS_EXPAT_DRIVER__ |
| michael@0 | 7 | #define NS_EXPAT_DRIVER__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "expat_config.h" |
| michael@0 | 10 | #include "expat.h" |
| michael@0 | 11 | #include "nsCOMPtr.h" |
| michael@0 | 12 | #include "nsString.h" |
| michael@0 | 13 | #include "nsIDTD.h" |
| michael@0 | 14 | #include "nsITokenizer.h" |
| michael@0 | 15 | #include "nsIInputStream.h" |
| michael@0 | 16 | #include "nsIParser.h" |
| michael@0 | 17 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 18 | |
| michael@0 | 19 | class nsIExpatSink; |
| michael@0 | 20 | class nsIExtendedExpatSink; |
| michael@0 | 21 | struct nsCatalogData; |
| michael@0 | 22 | |
| michael@0 | 23 | class nsExpatDriver : public nsIDTD, |
| michael@0 | 24 | public nsITokenizer |
| michael@0 | 25 | { |
| michael@0 | 26 | public: |
| michael@0 | 27 | NS_DECL_CYCLE_COLLECTING_ISUPPORTS |
| michael@0 | 28 | NS_DECL_NSIDTD |
| michael@0 | 29 | NS_DECL_NSITOKENIZER |
| michael@0 | 30 | NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsExpatDriver, nsIDTD) |
| michael@0 | 31 | |
| michael@0 | 32 | nsExpatDriver(); |
| michael@0 | 33 | virtual ~nsExpatDriver(); |
| michael@0 | 34 | |
| michael@0 | 35 | int HandleExternalEntityRef(const char16_t *aOpenEntityNames, |
| michael@0 | 36 | const char16_t *aBase, |
| michael@0 | 37 | const char16_t *aSystemId, |
| michael@0 | 38 | const char16_t *aPublicId); |
| michael@0 | 39 | nsresult HandleStartElement(const char16_t *aName, const char16_t **aAtts); |
| michael@0 | 40 | nsresult HandleEndElement(const char16_t *aName); |
| michael@0 | 41 | nsresult HandleCharacterData(const char16_t *aCData, const uint32_t aLength); |
| michael@0 | 42 | nsresult HandleComment(const char16_t *aName); |
| michael@0 | 43 | nsresult HandleProcessingInstruction(const char16_t *aTarget, |
| michael@0 | 44 | const char16_t *aData); |
| michael@0 | 45 | nsresult HandleXMLDeclaration(const char16_t *aVersion, |
| michael@0 | 46 | const char16_t *aEncoding, |
| michael@0 | 47 | int32_t aStandalone); |
| michael@0 | 48 | nsresult HandleDefault(const char16_t *aData, const uint32_t aLength); |
| michael@0 | 49 | nsresult HandleStartCdataSection(); |
| michael@0 | 50 | nsresult HandleEndCdataSection(); |
| michael@0 | 51 | nsresult HandleStartDoctypeDecl(const char16_t* aDoctypeName, |
| michael@0 | 52 | const char16_t* aSysid, |
| michael@0 | 53 | const char16_t* aPubid, |
| michael@0 | 54 | bool aHasInternalSubset); |
| michael@0 | 55 | nsresult HandleEndDoctypeDecl(); |
| michael@0 | 56 | nsresult HandleStartNamespaceDecl(const char16_t* aPrefix, |
| michael@0 | 57 | const char16_t* aUri); |
| michael@0 | 58 | nsresult HandleEndNamespaceDecl(const char16_t* aPrefix); |
| michael@0 | 59 | nsresult HandleNotationDecl(const char16_t* aNotationName, |
| michael@0 | 60 | const char16_t* aBase, |
| michael@0 | 61 | const char16_t* aSysid, |
| michael@0 | 62 | const char16_t* aPubid); |
| michael@0 | 63 | nsresult HandleUnparsedEntityDecl(const char16_t* aEntityName, |
| michael@0 | 64 | const char16_t* aBase, |
| michael@0 | 65 | const char16_t* aSysid, |
| michael@0 | 66 | const char16_t* aPubid, |
| michael@0 | 67 | const char16_t* aNotationName); |
| michael@0 | 68 | |
| michael@0 | 69 | private: |
| michael@0 | 70 | // Load up an external stream to get external entity information |
| michael@0 | 71 | nsresult OpenInputStreamFromExternalDTD(const char16_t* aFPIStr, |
| michael@0 | 72 | const char16_t* aURLStr, |
| michael@0 | 73 | const char16_t* aBaseURL, |
| michael@0 | 74 | nsIInputStream** aStream, |
| michael@0 | 75 | nsAString& aAbsURL); |
| michael@0 | 76 | |
| michael@0 | 77 | /** |
| michael@0 | 78 | * Pass a buffer to Expat. If Expat is blocked aBuffer should be null and |
| michael@0 | 79 | * aLength should be 0. The result of the call will be stored in |
| michael@0 | 80 | * mInternalState. Expat will parse as much of the buffer as it can and store |
| michael@0 | 81 | * the rest in its internal buffer. |
| michael@0 | 82 | * |
| michael@0 | 83 | * @param aBuffer the buffer to pass to Expat. May be null. |
| michael@0 | 84 | * @param aLength the length of the buffer to pass to Expat (in number of |
| michael@0 | 85 | * char16_t's). Must be 0 if aBuffer is null and > 0 if |
| michael@0 | 86 | * aBuffer is not null. |
| michael@0 | 87 | * @param aIsFinal whether there will definitely not be any more new buffers |
| michael@0 | 88 | * passed in to ParseBuffer |
| michael@0 | 89 | * @param aConsumed [out] the number of PRUnichars that Expat consumed. This |
| michael@0 | 90 | * doesn't include the PRUnichars that Expat stored in |
| michael@0 | 91 | * its buffer but didn't parse yet. |
| michael@0 | 92 | */ |
| michael@0 | 93 | void ParseBuffer(const char16_t *aBuffer, uint32_t aLength, bool aIsFinal, |
| michael@0 | 94 | uint32_t *aConsumed); |
| michael@0 | 95 | nsresult HandleError(); |
| michael@0 | 96 | |
| michael@0 | 97 | void MaybeStopParser(nsresult aState); |
| michael@0 | 98 | |
| michael@0 | 99 | bool BlockedOrInterrupted() |
| michael@0 | 100 | { |
| michael@0 | 101 | return mInternalState == NS_ERROR_HTMLPARSER_BLOCK || |
| michael@0 | 102 | mInternalState == NS_ERROR_HTMLPARSER_INTERRUPTED; |
| michael@0 | 103 | } |
| michael@0 | 104 | |
| michael@0 | 105 | XML_Parser mExpatParser; |
| michael@0 | 106 | nsString mLastLine; |
| michael@0 | 107 | nsString mCDataText; |
| michael@0 | 108 | // Various parts of a doctype |
| michael@0 | 109 | nsString mDoctypeName; |
| michael@0 | 110 | nsString mSystemID; |
| michael@0 | 111 | nsString mPublicID; |
| michael@0 | 112 | nsString mInternalSubset; |
| michael@0 | 113 | bool mInCData; |
| michael@0 | 114 | bool mInInternalSubset; |
| michael@0 | 115 | bool mInExternalDTD; |
| michael@0 | 116 | bool mMadeFinalCallToExpat; |
| michael@0 | 117 | |
| michael@0 | 118 | // Whether we're sure that we won't be getting more buffers to parse from |
| michael@0 | 119 | // Necko |
| michael@0 | 120 | bool mIsFinalChunk; |
| michael@0 | 121 | |
| michael@0 | 122 | nsresult mInternalState; |
| michael@0 | 123 | |
| michael@0 | 124 | // The length of the data in Expat's buffer (in number of PRUnichars). |
| michael@0 | 125 | uint32_t mExpatBuffered; |
| michael@0 | 126 | |
| michael@0 | 127 | // These sinks all refer the same conceptual object. mOriginalSink is |
| michael@0 | 128 | // identical with the nsIContentSink* passed to WillBuildModel, and exists |
| michael@0 | 129 | // only to avoid QI-ing back to nsIContentSink*. |
| michael@0 | 130 | nsCOMPtr<nsIContentSink> mOriginalSink; |
| michael@0 | 131 | nsCOMPtr<nsIExpatSink> mSink; |
| michael@0 | 132 | nsCOMPtr<nsIExtendedExpatSink> mExtendedSink; |
| michael@0 | 133 | |
| michael@0 | 134 | const nsCatalogData* mCatalogData; // weak |
| michael@0 | 135 | nsString mURISpec; |
| michael@0 | 136 | |
| michael@0 | 137 | // Used for error reporting. |
| michael@0 | 138 | uint64_t mInnerWindowID; |
| michael@0 | 139 | }; |
| michael@0 | 140 | |
| michael@0 | 141 | #endif |
