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/////////////////////////////////////////////////////////////////////////////
// Name: wx/html/htmlfilt.h
// Purpose: filters
// Author: Vaclav Slavik
// Copyright: (c) 1999 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_HTMLFILT_H_
#define _WX_HTMLFILT_H_
#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 WXDLLIMPEXP_HTML wxHtmlFilter : public wxObject
{
wxDECLARE_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 (= unknown type of file). It is used by
// wxHtmlWindow itself.
//--------------------------------------------------------------------------------
class WXDLLIMPEXP_HTML wxHtmlFilterPlainText : public wxHtmlFilter
{
wxDECLARE_DYNAMIC_CLASS(wxHtmlFilterPlainText);
public:
virtual bool CanRead(const wxFSFile& file) const wxOVERRIDE;
virtual wxString ReadFile(const wxFSFile& file) const wxOVERRIDE;
};
//--------------------------------------------------------------------------------
// wxHtmlFilterHTML
// filter for text/html
//--------------------------------------------------------------------------------
class wxHtmlFilterHTML : public wxHtmlFilter
{
wxDECLARE_DYNAMIC_CLASS(wxHtmlFilterHTML);
public:
virtual bool CanRead(const wxFSFile& file) const wxOVERRIDE;
virtual wxString ReadFile(const wxFSFile& file) const wxOVERRIDE;
};
#endif // wxUSE_HTML
#endif // _WX_HTMLFILT_H_
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