gecko-dev/htmlparser/src/nsExpatDriver.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The Original Code is mozilla.org code.
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#ifndef NS_EXPAT_DRIVER__
#define NS_EXPAT_DRIVER__
#include "xmlparse.h"
#include "nsString.h"
#include "nsIDTD.h"
#include "nsITokenizer.h"
#include "nsIInputStream.h"
class nsIExpatSink;
struct nsCatalogData;
class nsExpatDriver : public nsIDTD,
public nsITokenizer
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
NS_DECL_NSITOKENIZER
nsExpatDriver();
virtual ~nsExpatDriver();
int HandleExternalEntityRef(const PRUnichar *openEntityNames,
const PRUnichar *base,
const PRUnichar *systemId,
const PRUnichar *publicId);
nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts);
nsresult HandleEndElement(const PRUnichar *aName);
nsresult HandleCharacterData(const PRUnichar *aCData, const PRUint32 aLength);
nsresult HandleComment(const PRUnichar *aName);
nsresult HandleProcessingInstruction(const PRUnichar *aTarget, const PRUnichar *aData);
nsresult HandleXMLDeclaration(const PRUnichar *aData, const PRUint32 aLength);
nsresult HandleDefault(const PRUnichar *aData, const PRUint32 aLength);
nsresult HandleStartCdataSection();
nsresult HandleEndCdataSection();
nsresult HandleStartDoctypeDecl();
nsresult HandleEndDoctypeDecl();
protected:
// Load up an external stream to get external entity information
nsresult OpenInputStreamFromExternalDTD(const PRUnichar* aFPIStr,
const PRUnichar* aURLStr,
const PRUnichar* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL);
nsresult ParseBuffer(const char* aBuffer, PRUint32 aLength, PRBool aIsFinal);
nsresult HandleError(const char *aBuffer, PRUint32 aLength, PRBool aIsFinal);
void GetLine(const char* aSourceBuffer, PRUint32 aLength, PRUint32 aOffset, nsString& aLine);
XML_Parser mExpatParser;
nsString mLastLine;
nsString mCDataText;
nsString mDoctypeText;
PRPackedBool mInCData;
PRPackedBool mInDoctype;
PRPackedBool mInExternalDTD;
PRPackedBool mHandledXMLDeclaration;
PRInt32 mBytePosition;
nsresult mInternalState;
PRUint32 mBytesParsed;
nsIExpatSink* mSink;
const nsCatalogData* mCatalogData; // weak
};
nsresult NS_NewExpatDriver(nsIDTD** aDriver);
#endif