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/////////////////////////////////////////////////////////////////////////////
// Name: wx/html/htmlprep.h
// Purpose: HTML processor
// Author: Vaclav Slavik
// Copyright: (c) 2001 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_HTMLPREP_H_
#define _WX_HTMLPREP_H_
#include "wx/defs.h"
#if wxUSE_HTML
#include "wx/string.h"
// Priority of preprocessor in the chain. The higher, the earlier it is used
enum
{
wxHTML_PRIORITY_DONTCARE = 128, // if the order doesn't matter, use this
// priority
wxHTML_PRIORITY_SYSTEM = 256 // >=256 is only for wxHTML's internals
};
// Classes derived from this class serve as simple text processors for
// wxHtmlWindow. wxHtmlWindow runs HTML markup through all registered
// processors before displaying it, thus allowing for on-the-fly
// modifications of the markup.
class WXDLLIMPEXP_HTML wxHtmlProcessor : public wxObject
{
DECLARE_ABSTRACT_CLASS(wxHtmlProcessor)
public:
wxHtmlProcessor() : wxObject(), m_enabled(true) {}
virtual ~wxHtmlProcessor() {}
// Process input text and return processed result
virtual wxString Process(const wxString& text) const = 0;
// Return priority value of this processor. The higher, the sooner
// is the processor applied to the text.
virtual int GetPriority() const { return wxHTML_PRIORITY_DONTCARE; }
// Enable/disable the processor. wxHtmlWindow won't use a disabled
// processor even if it is in its processors queue.
virtual void Enable(bool enable = true) { m_enabled = enable; }
bool IsEnabled() const { return m_enabled; }
protected:
bool m_enabled;
};
#endif // wxUSE_HTML
#endif // _WX_HTMLPROC_H_
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