Add wx headers and ext

wxheaders/wx/html/htmlproc.h

@@ -0,0 +1,57 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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
+{
+    wxDECLARE_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_