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htmlfilt.h
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C/C++ Source or Header
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2002-11-14
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88 lines
/////////////////////////////////////////////////////////////////////////////
// Name: htmlfilt.h
// Purpose: filters
// Author: Vaclav Slavik
// RCS-ID: $Id: htmlfilt.h,v 1.4.2.1 2002/11/10 23:58:51 VS Exp $
// Copyright: (c) 1999 Vaclav Slavik
// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_HTMLFILT_H_
#define _WX_HTMLFILT_H_
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "htmlfilt.h"
#endif
#include "wx/defs.h"
#if wxUSE_HTML
#include "wx/filesys.h"
//--------------------------------------------------------------------------------
// wxHtmlFilter
// This class is input filter. It can "translate" files
// in non-HTML format to HTML format
// interface to access certain
// kinds of files (HTPP, FTP, local, tar.gz etc..)
//--------------------------------------------------------------------------------
class WXDLLEXPORT wxHtmlFilter : public wxObject
{
DECLARE_ABSTRACT_CLASS(wxHtmlFilter)
public:
wxHtmlFilter() : wxObject() {}
virtual ~wxHtmlFilter() {}
// returns TRUE if this filter is able to open&read given file
virtual bool CanRead(const wxFSFile& file) const = 0;
// Reads given file and returns HTML document.
// Returns empty string if opening failed
virtual wxString ReadFile(const wxFSFile& file) const = 0;
};
//--------------------------------------------------------------------------------
// wxHtmlFilterPlainText
// This filter is used as default filter if no other can
// be used (= uknown type of file). It is used by
// wxHtmlWindow itself.
//--------------------------------------------------------------------------------
class WXDLLEXPORT wxHtmlFilterPlainText : public wxHtmlFilter
{
DECLARE_DYNAMIC_CLASS(wxHtmlFilterPlainText)
public:
virtual bool CanRead(const wxFSFile& file) const;
virtual wxString ReadFile(const wxFSFile& file) const;
};
//--------------------------------------------------------------------------------
// wxHtmlFilterHTML
// filter for text/html
//--------------------------------------------------------------------------------
class wxHtmlFilterHTML : public wxHtmlFilter
{
DECLARE_DYNAMIC_CLASS(wxHtmlFilterHTML)
public:
virtual bool CanRead(const wxFSFile& file) const;
virtual wxString ReadFile(const wxFSFile& file) const;
};
#endif // wxUSE_HTML
#endif // _WX_HTMLFILT_H_