Work around bogus g++ warnings about possibly missing return.

[wxWidgets.git] / include / wx / richtext / richtextxml.h

diff --git a/include/wx/richtext/richtextxml.h b/include/wx/richtext/richtextxml.h
index be318f9f3aa15ede80e21a6c1087c73d521474cd..d51d2043e5d407292932b25e9e0f5b8d0d91ee19 100644 (file)
--- a/include/wx/richtext/richtextxml.h
+++ b/include/wx/richtext/richtextxml.h
@@ -1,10 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        richeditxml.h
+// Name:        wx/richtext/richtextxml.h
 // Purpose:     XML and HTML I/O for wxRichTextCtrl
 // Author:      Julian Smart
-// Modified by: 
+// Modified by:
 // Created:     2005-09-30
-// RCS-ID:      
+// RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -16,49 +16,77 @@
  * Includes
  */
 
-#include "wx/defs.h"
-
-#if wxUSE_RICHTEXT
-
 #include "wx/richtext/richtextbuffer.h"
+#include "wx/richtext/richtextstyles.h"
+
+#if wxUSE_RICHTEXT && wxUSE_XML
 
 /*!
  * wxRichTextXMLHandler
  */
 
-class WXDLLIMPEXP_XML wxXmlNode;
+class WXDLLIMPEXP_FWD_XML wxXmlNode;
+class WXDLLIMPEXP_FWD_XML wxXmlDocument;
 
-class WXDLLIMPEXP_ADV wxRichTextXMLHandler: public wxRichTextFileHandler
+class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHandler: public wxRichTextFileHandler
 {
-    DECLARE_CLASS(wxRichTextXMLHandler)
+    DECLARE_DYNAMIC_CLASS(wxRichTextXMLHandler)
 public:
     wxRichTextXMLHandler(const wxString& name = wxT("XML"), const wxString& ext = wxT("xml"), int type = wxRICHTEXT_TYPE_XML)
         : wxRichTextFileHandler(name, ext, type)
-        { }
+        { Init(); }
+        
+    void Init();
 
 #if wxUSE_STREAMS
-    virtual bool LoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
-    virtual bool SaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
 
+#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
     /// Recursively export an object
-    bool ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextObject& obj, int level);
+    bool ExportXML(wxOutputStream& stream, wxRichTextObject& obj, int level);
+    bool ExportStyleDefinition(wxOutputStream& stream, wxRichTextStyleDefinition* def, int level);
+    wxString AddAttributes(const wxRichTextAttr& attr, bool isPara = false);
+    bool WriteProperties(wxOutputStream& stream, const wxRichTextProperties& properties, int level);
+    void OutputString(wxOutputStream& stream, const wxString& str);
+    void OutputStringEnt(wxOutputStream& stream, const wxString& str);
+    void OutputIndentation(wxOutputStream& stream, int indent);
+    static wxString AttributeToXML(const wxString& str);
+#endif
 
-    /// Recursively import an object
-    bool ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node);
+#if wxRICHTEXT_HAVE_XMLDOCUMENT_OUTPUT
+    bool ExportXML(wxXmlNode* parent, wxRichTextObject& obj);
+    bool ExportStyleDefinition(wxXmlNode* parent, wxRichTextStyleDefinition* def);
+    bool AddAttributes(wxXmlNode* node, wxRichTextAttr& attr, bool isPara = false);
+    bool WriteProperties(wxXmlNode* node, const wxRichTextProperties& properties);
+#endif
+
+    /// Make a string from the given property. This can be overridden for custom variants.
+    virtual wxString MakeStringFromProperty(const wxVariant& var);
+
+    /// Create a proprty from the string read from the XML file.
+    virtual wxVariant MakePropertyFromString(const wxString& name, const wxString& value, const wxString& type);
 
-    /// Create style parameters
-    wxString CreateStyle(const wxTextAttrEx& attr, bool isPara = false);
+    /// Recursively import an object
+    bool ImportXML(wxRichTextBuffer* buffer, wxRichTextObject* obj, wxXmlNode* node);
+    bool ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node);
+    bool ImportProperties(wxRichTextObject* obj, wxXmlNode* node);
 
-    /// Get style parameters
-    bool GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool isPara = false);
+    /// Import style parameters
+    bool ImportStyle(wxRichTextAttr& attr, wxXmlNode* node, bool isPara = false);
 #endif
 
+    /// Creates an object given an XML element name
+    virtual wxRichTextObject* CreateObjectForXMLName(wxRichTextObject* parent, const wxString& name) const;
+    
     /// Can we save using this handler?
     virtual bool CanSave() const { return true; }
 
     /// Can we load using this handler?
     virtual bool CanLoad() const { return true; }
 
+    // Used during saving
+    wxMBConv* GetConvMem() const { return m_convMem; }
+    wxMBConv* GetConvFile() const { return m_convFile; }
+
 // Implementation
 
     bool HasParam(wxXmlNode* node, const wxString& param);
@@ -66,49 +94,23 @@ public:
     wxString GetNodeContent(wxXmlNode *node);
     wxString GetParamValue(wxXmlNode *node, const wxString& param);
     wxString GetText(wxXmlNode *node, const wxString& param = wxEmptyString, bool translate = false);
+    static wxXmlNode* FindNode(wxXmlNode* node, const wxString& name);
 
 protected:
-
-};
-
-/*!
- * wxRichTextHTMLHandler
- */
-
-class WXDLLIMPEXP_ADV wxRichTextHTMLHandler: public wxRichTextFileHandler
-{
-    DECLARE_CLASS(wxRichTextHTMLHandler)
-public:
-    wxRichTextHTMLHandler(const wxString& name = wxT("HTML"), const wxString& ext = wxT("html"), int type = wxRICHTEXT_TYPE_HTML)
-        : wxRichTextFileHandler(name, ext, type)
-        { }
-
 #if wxUSE_STREAMS
-    virtual bool LoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
-    virtual bool SaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
+    virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
+    virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
 #endif
 
-    /// Can we save using this handler?
-    virtual bool CanSave() const { return true; }
-
-    /// Can we load using this handler?
-    virtual bool CanLoad() const { return false; }
-
-    /// Can we handle this filename (if using files)? By default, checks the extension.
-    virtual bool CanHandle(const wxString& filename) const;
-
-    /// Output character formatting
-    virtual void OutputCharacterFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start);
-
-    /// Output paragraph formatting
-    virtual void OutputParagraphFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start);
-
-protected:
-
+#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
+    // Used during saving
+    wxMBConv* m_convMem;
+    wxMBConv* m_convFile;
+#endif
 };
 
 #endif
-    // wxUSE_RICHTEXT
+    // wxUSE_RICHTEXT && wxUSE_XML
 
 #endif
     // _WX_RICHTEXTXML_H_