making wxHTML 8.3 compliant

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3796 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/html/htmlfilt.h

@@ -0,0 +1,71 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        htmlfilt.h
+// Purpose:     filters
+// Author:      Vaclav Slavik
+// RCS-ID:      $Id$
+// Copyright:   (c) 1999 Vaclav Slavik
+// Licence:     wxWindows Licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifndef _WX_HTMLFILT_H_
+#define _WX_HTMLFILT_H_
+
+#ifdef __GNUG__
+#pragma interface 
+#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 bool CanRead(const wxFSFile& file) const = 0;
+                // returns TRUE if this filter is able to open&read given file
+
+        virtual wxString ReadFile(const wxFSFile& file) const = 0;
+                // reads given file and returns HTML document.
+                // Returns empty string if opening failed
+};
+
+
+
+//--------------------------------------------------------------------------------
+// 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;
+};
+
+
+
+#endif
+#endif // _WX_HTMLFILT_H_
+