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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /parser/htmlparser/nsExpatDriver.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'parser/htmlparser/nsExpatDriver.h')
-rw-r--r--parser/htmlparser/nsExpatDriver.h142
1 files changed, 142 insertions, 0 deletions
diff --git a/parser/htmlparser/nsExpatDriver.h b/parser/htmlparser/nsExpatDriver.h
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+++ b/parser/htmlparser/nsExpatDriver.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef NS_EXPAT_DRIVER__
+#define NS_EXPAT_DRIVER__
+
+#include "expat_config.h"
+#include "expat.h"
+#include "nsCOMPtr.h"
+#include "nsString.h"
+#include "nsIDTD.h"
+#include "nsITokenizer.h"
+#include "nsIInputStream.h"
+#include "nsIParser.h"
+#include "nsCycleCollectionParticipant.h"
+
+class nsIExpatSink;
+class nsIExtendedExpatSink;
+struct nsCatalogData;
+
+class nsExpatDriver : public nsIDTD,
+ public nsITokenizer
+{
+ virtual ~nsExpatDriver();
+
+public:
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_NSIDTD
+ NS_DECL_NSITOKENIZER
+ NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsExpatDriver, nsIDTD)
+
+ nsExpatDriver();
+
+ int HandleExternalEntityRef(const char16_t *aOpenEntityNames,
+ const char16_t *aBase,
+ const char16_t *aSystemId,
+ const char16_t *aPublicId);
+ nsresult HandleStartElement(const char16_t *aName, const char16_t **aAtts);
+ nsresult HandleEndElement(const char16_t *aName);
+ nsresult HandleCharacterData(const char16_t *aCData, const uint32_t aLength);
+ nsresult HandleComment(const char16_t *aName);
+ nsresult HandleProcessingInstruction(const char16_t *aTarget,
+ const char16_t *aData);
+ nsresult HandleXMLDeclaration(const char16_t *aVersion,
+ const char16_t *aEncoding,
+ int32_t aStandalone);
+ nsresult HandleDefault(const char16_t *aData, const uint32_t aLength);
+ nsresult HandleStartCdataSection();
+ nsresult HandleEndCdataSection();
+ nsresult HandleStartDoctypeDecl(const char16_t* aDoctypeName,
+ const char16_t* aSysid,
+ const char16_t* aPubid,
+ bool aHasInternalSubset);
+ nsresult HandleEndDoctypeDecl();
+ nsresult HandleStartNamespaceDecl(const char16_t* aPrefix,
+ const char16_t* aUri);
+ nsresult HandleEndNamespaceDecl(const char16_t* aPrefix);
+ nsresult HandleNotationDecl(const char16_t* aNotationName,
+ const char16_t* aBase,
+ const char16_t* aSysid,
+ const char16_t* aPubid);
+ nsresult HandleUnparsedEntityDecl(const char16_t* aEntityName,
+ const char16_t* aBase,
+ const char16_t* aSysid,
+ const char16_t* aPubid,
+ const char16_t* aNotationName);
+
+private:
+ // Load up an external stream to get external entity information
+ nsresult OpenInputStreamFromExternalDTD(const char16_t* aFPIStr,
+ const char16_t* aURLStr,
+ const char16_t* aBaseURL,
+ nsIInputStream** aStream,
+ nsAString& aAbsURL);
+
+ /**
+ * Pass a buffer to Expat. If Expat is blocked aBuffer should be null and
+ * aLength should be 0. The result of the call will be stored in
+ * mInternalState. Expat will parse as much of the buffer as it can and store
+ * the rest in its internal buffer.
+ *
+ * @param aBuffer the buffer to pass to Expat. May be null.
+ * @param aLength the length of the buffer to pass to Expat (in number of
+ * char16_t's). Must be 0 if aBuffer is null and > 0 if
+ * aBuffer is not null.
+ * @param aIsFinal whether there will definitely not be any more new buffers
+ * passed in to ParseBuffer
+ * @param aConsumed [out] the number of PRUnichars that Expat consumed. This
+ * doesn't include the PRUnichars that Expat stored in
+ * its buffer but didn't parse yet.
+ */
+ void ParseBuffer(const char16_t *aBuffer, uint32_t aLength, bool aIsFinal,
+ uint32_t *aConsumed);
+ nsresult HandleError();
+
+ void MaybeStopParser(nsresult aState);
+
+ bool BlockedOrInterrupted()
+ {
+ return mInternalState == NS_ERROR_HTMLPARSER_BLOCK ||
+ mInternalState == NS_ERROR_HTMLPARSER_INTERRUPTED;
+ }
+
+ XML_Parser mExpatParser;
+ nsString mLastLine;
+ nsString mCDataText;
+ // Various parts of a doctype
+ nsString mDoctypeName;
+ nsString mSystemID;
+ nsString mPublicID;
+ nsString mInternalSubset;
+ bool mInCData;
+ bool mInInternalSubset;
+ bool mInExternalDTD;
+ bool mMadeFinalCallToExpat;
+
+ // Whether we're sure that we won't be getting more buffers to parse from
+ // Necko
+ bool mIsFinalChunk;
+
+ nsresult mInternalState;
+
+ // The length of the data in Expat's buffer (in number of PRUnichars).
+ uint32_t mExpatBuffered;
+
+ // These sinks all refer the same conceptual object. mOriginalSink is
+ // identical with the nsIContentSink* passed to WillBuildModel, and exists
+ // only to avoid QI-ing back to nsIContentSink*.
+ nsCOMPtr<nsIContentSink> mOriginalSink;
+ nsCOMPtr<nsIExpatSink> mSink;
+ nsCOMPtr<nsIExtendedExpatSink> mExtendedSink;
+
+ const nsCatalogData* mCatalogData; // weak
+ nsString mURISpec;
+
+ // Used for error reporting.
+ uint64_t mInnerWindowID;
+};
+
+#endif