/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
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/**
 * MODULE NOTES:
 * @update  gess 4/8/98
 * 
 *         
 */

#ifndef __NS_VIEWSOURCE_HTML_
#define __NS_VIEWSOURCE_HTML_

#include "nsIDTD.h"
#include "nsISupports.h"
#include "nsHTMLTokens.h"
#include "nsIHTMLContentSink.h"
#include "nsDTDUtils.h"
#include "nsParserNode.h"

class nsIParserNode;
class nsParser;
class nsITokenizer;
class nsCParserNode;

class CViewSourceHTML: public nsIDTD
{
public:

    NS_DECL_ISUPPORTS
    NS_DECL_NSIDTD
    
    CViewSourceHTML();
    virtual ~CViewSourceHTML();

    /**
     * Set this to TRUE if you want the DTD to verify its
     * context stack.
     * @update	gess 7/23/98
     * @param 
     * @return
     */
    virtual void SetVerification(PRBool aEnable);

private:
    nsresult WriteTag(PRInt32 tagType,
                      const nsSubstring &aText,
                      PRInt32 attrCount,
                      PRBool aTagInError);
    
    nsresult WriteAttributes(PRInt32 attrCount, PRBool aOwnerInError);
    void StartNewPreBlock(void);
    // Utility method for adding attributes to the nodes we generate
    void AddAttrToNode(nsCParserStartNode& aNode,
                       nsTokenAllocator* aAllocator,
                       const nsAString& aAttrName,
                       const nsAString& aAttrValue);

protected:

    nsParser*           mParser;
    nsIHTMLContentSink* mSink;
    PRInt32             mLineNumber;
    nsITokenizer*       mTokenizer; // weak

    PRPackedBool        mSyntaxHighlight;
    PRPackedBool        mWrapLongLines;
    PRPackedBool        mHasOpenRoot;
    PRPackedBool        mHasOpenBody;

    nsDTDMode           mDTDMode;
    eParserCommands     mParserCommand;   //tells us to viewcontent/viewsource/viewerrors...
    eParserDocType      mDocType;
    nsCString           mMimeType;  

    nsString            mFilename;

    PRUint32            mTokenCount;
};

#endif