| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: htmlprep.h |
| 3 | // Purpose: HTML processor |
| 4 | // Author: Vaclav Slavik |
| 5 | // RCS-ID: $Id$ |
| 6 | // Copyright: (c) 2001 Vaclav Slavik |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifndef _WX_HTMLPREP_H_ |
| 11 | #define _WX_HTMLPREP_H_ |
| 12 | |
| 13 | #include "wx/defs.h" |
| 14 | |
| 15 | #if wxUSE_HTML |
| 16 | |
| 17 | #include "wx/string.h" |
| 18 | |
| 19 | // Priority of preprocessor in the chain. The higher, the earlier it is used |
| 20 | enum |
| 21 | { |
| 22 | wxHTML_PRIORITY_DONTCARE = 128, // if the order doesn't matter, use this |
| 23 | // priority |
| 24 | wxHTML_PRIORITY_SYSTEM = 256 // >=256 is only for wxHTML's internals |
| 25 | }; |
| 26 | |
| 27 | // Classes derived from this class serve as simple text processors for |
| 28 | // wxHtmlWindow. wxHtmlWindow runs HTML markup through all registered |
| 29 | // processors before displaying it, thus allowing for on-the-fly |
| 30 | // modifications of the markup. |
| 31 | |
| 32 | class WXDLLIMPEXP_HTML wxHtmlProcessor : public wxObject |
| 33 | { |
| 34 | DECLARE_ABSTRACT_CLASS(wxHtmlProcessor) |
| 35 | |
| 36 | public: |
| 37 | wxHtmlProcessor() : wxObject(), m_enabled(true) {} |
| 38 | virtual ~wxHtmlProcessor() {} |
| 39 | |
| 40 | // Process input text and return processed result |
| 41 | virtual wxString Process(const wxString& text) const = 0; |
| 42 | |
| 43 | // Return priority value of this processor. The higher, the sooner |
| 44 | // is the processor applied to the text. |
| 45 | virtual int GetPriority() const { return wxHTML_PRIORITY_DONTCARE; } |
| 46 | |
| 47 | // Enable/disable the processor. wxHtmlWindow won't use a disabled |
| 48 | // processor even if it is in its processors queue. |
| 49 | virtual void Enable(bool enable = true) { m_enabled = enable; } |
| 50 | bool IsEnabled() const { return m_enabled; } |
| 51 | |
| 52 | protected: |
| 53 | bool m_enabled; |
| 54 | }; |
| 55 | |
| 56 | #endif // wxUSE_HTML |
| 57 | |
| 58 | #endif // _WX_HTMLPROC_H_ |