// $Revision: 1.5 $
#ifndef TaligentSamples_LIBWWWINTERFACE
#define TaligentSamples_LIBWWWINTERFACE
//-----------------------------------------------------------------------------
//
// Copyright (C) 1995 Taligent, Inc. All rights reserved.
//
// Project:       WebRunner Sample
// File:          LibWWWInterface.h
// Build/Version: 1.0.0
//
//-----------------------------------------------------------------------------

#ifndef Taligent_TEXT
#include <Taligent/Text.h>
#endif
#ifndef Taligent_STREAM
#include <Taligent/Stream.h>
#endif
#ifndef Taligent_FOREIGNDATA
#include <Taligent/ForeignData.h>
#endif
#ifndef Taligent_STYLESET
#include <Taligent/StyleSet.h>
#endif
#ifndef TaligentSamples_HYPERTEXTSCRAPITEM
#include "HypertextScrapItem.h"
#endif
extern "C" {
#include <HText.h>
#include <HTStream.h>
#undef MIN
#undef MAX
}

void AddTaligentConversions(HTList* conversionList);

struct _HTStream {
  public:
	                      _HTStream(TStream* taligentStreamAlias,
			                        THypertextScrapItem* taligentTextAlias,
			                        TMIMEForeignDataType* mimeDataTypeAlias);
	                      ~_HTStream();

	TStream*              GetTaligentStreamAlias() const;
	THypertextScrapItem*  GetHypertextAlias() const;
	TMIMEForeignDataType* GetMIMETypeAlias() const;

  private:
	// since the library accesses this variable at run time by assuming it
	// is the first element in the struct, you must leave this as the
	// first member variable.  This also rules out the possibility of
	// virtual member functions on this structure.
	HTStreamClass*         fLibWWWClass;
	TStream*               fStreamAlias;
	THypertextScrapItem*   fTextAlias;
	TMIMEForeignDataType*  fMIMEDataTypeAlias;
};

struct _HText {
  public:
	                     _HText(THypertextScrapItem* taligentTextAlias,
		                        HTParentAnchor* anchor);
	                     ~_HText();

	void                 AppendToCurrent(const TText& text);
	void                 AppendToCurrent(char);
	void                 AppendLineBreakToCurrent();
	void                 AppendImage(const TURL& imageURL);

	void                 AddStyleToCurrentText(const TStyle& style);
	void                 ApplyCurrentText();

	void                 BeginAnchor(const TURL& destination);
	void                 EndAnchor();
	void                 EndAppend();
  private:
	THypertextScrapItem* fHypertextAlias;
	TStandardText        fCurrentText;
	TStyleSet            fCurrentStyles;

	TURL                 fCurrentAnchorDestination;
	TTextOffset          fCurrentAnchorBeginning;
	HTParentAnchor*      fParentAnchor;
};

#endif