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1/////////////////////////////////////////////////////////////////////////////
2// Name: htmlfilt.h
3// Purpose: filters
4// Author: Vaclav Slavik
5// RCS-ID: $Id$
6// Copyright: (c) 1999 Vaclav Slavik
7// Licence: wxWindows Licence
8/////////////////////////////////////////////////////////////////////////////
9
10
11#ifndef _WX_HTMLFILT_H_
12#define _WX_HTMLFILT_H_
13
14#if defined(__GNUG__) && !defined(__APPLE__)
15#pragma interface "htmlfilt.h"
16#endif
17
18#include "wx/defs.h"
19
20#if wxUSE_HTML
21
22#include "wx/filesys.h"
23
24
25//--------------------------------------------------------------------------------
26// wxHtmlFilter
27// This class is input filter. It can "translate" files
28// in non-HTML format to HTML format
29// interface to access certain
30// kinds of files (HTPP, FTP, local, tar.gz etc..)
31//--------------------------------------------------------------------------------
32
33class WXDLLEXPORT wxHtmlFilter : public wxObject
34{
35 DECLARE_ABSTRACT_CLASS(wxHtmlFilter)
36
37public:
38 wxHtmlFilter() : wxObject() {}
39 virtual ~wxHtmlFilter() {}
40
41 // returns TRUE if this filter is able to open&read given file
42 virtual bool CanRead(const wxFSFile& file) const = 0;
43
44 // Reads given file and returns HTML document.
45 // Returns empty string if opening failed
46 virtual wxString ReadFile(const wxFSFile& file) const = 0;
47};
48
49
50
51//--------------------------------------------------------------------------------
52// wxHtmlFilterPlainText
53// This filter is used as default filter if no other can
54// be used (= uknown type of file). It is used by
55// wxHtmlWindow itself.
56//--------------------------------------------------------------------------------
57
58
59class WXDLLEXPORT wxHtmlFilterPlainText : public wxHtmlFilter
60{
61 DECLARE_DYNAMIC_CLASS(wxHtmlFilterPlainText)
62
63public:
64 virtual bool CanRead(const wxFSFile& file) const;
65 virtual wxString ReadFile(const wxFSFile& file) const;
66};
67
68//--------------------------------------------------------------------------------
69// wxHtmlFilterHTML
70// filter for text/html
71//--------------------------------------------------------------------------------
72
73class wxHtmlFilterHTML : public wxHtmlFilter
74{
75 DECLARE_DYNAMIC_CLASS(wxHtmlFilterHTML)
76
77 public:
78 virtual bool CanRead(const wxFSFile& file) const;
79 virtual wxString ReadFile(const wxFSFile& file) const;
80};
81
82
83
84#endif // wxUSE_HTML
85
86#endif // _WX_HTMLFILT_H_
87