parser/htmlparser/src/CParserContext.h

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  37
  38 /**
  39  * MODULE NOTES:
  40  * @update  gess 4/1/98
  41  *
  42  */
  43
  44 #ifndef __CParserContext
  45 #define __CParserContext
  46
  47 #include "nsIParser.h"
  48 #include "nsIURL.h"
  49 #include "nsIDTD.h"
  50 #include "nsIStreamListener.h"
  51 #include "nsIRequest.h"
  52 #include "nsScanner.h"
  53 #include "nsString.h"
  54 #include "nsCOMPtr.h"
  55 #include "nsAutoPtr.h"
  56
  57 /**
  58  * Note that the parser is given FULL access to all
  59  * data in a parsercontext. Hey, that what it's for!
  60  */
  61
  62 class CParserContext {
  63
  64 public:
  65
  66     enum {eTransferBufferSize=4096};
  67     enum eContextType {eCTNone,eCTURL,eCTString,eCTStream};
  68
  69    CParserContext(  nsScanner* aScanner,
  70                     void* aKey=0,
  71                     eParserCommands aCommand=eViewNormal,
  72                     nsIRequestObserver* aListener=0,
  73                     nsIDTD *aDTD=0,
  74                     eAutoDetectResult aStatus=eUnknownDetect,
  75                     PRBool aCopyUnused=PR_FALSE);
  76
  77     ~CParserContext();
  78
  79     nsresult GetTokenizer(PRInt32 aType,
  80                           nsIContentSink* aSink,
  81                           nsITokenizer*& aTokenizer);
  82     void  SetMimeType(const nsACString& aMimeType);
  83
  84     nsCOMPtr<nsIRequest> mRequest; // provided by necko to differnciate different input streams
  85                                    // why is mRequest strongly referenced? see bug 102376.
  86     nsCOMPtr<nsIDTD>     mDTD;
  87     nsCOMPtr<nsIRequestObserver> mListener;
  88     nsAutoArrayPtr<char> mTransferBuffer;
  89     void*                mKey;
  90     nsCOMPtr<nsITokenizer> mTokenizer;
  91     CParserContext*      mPrevContext;
  92     nsAutoPtr<nsScanner> mScanner;
  93
  94     nsCString            mMimeType;
  95     nsDTDMode            mDTDMode;
  96
  97     eParserDocType       mDocType;
  98     eStreamState         mStreamListenerState; //this is really only here for debug purposes.
  99     eContextType         mContextType;
 100     eAutoDetectResult    mAutoDetectStatus;
 101     eParserCommands      mParserCommand;   //tells us to viewcontent/viewsource/viewerrors...
 102
 103     PRPackedBool         mMultipart;
 104     PRPackedBool         mCopyUnused;
 105     PRUint32             mTransferBufferSize;
 106 };
 107
 108 #endif