include/wx/palmos/prefconf.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/palmos/prefconf.h
   3 // Purpose:     wxPrefConfig interface
   4 // Author:      Wlodzimierz ABX Skiba
   5 // Modified by:
   6 // Created:     28.12.2004
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Wlodzimierz Skiba
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _PREFCONF_H_
  13 #define _PREFCONF_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // wxPrefConfig
  17 // ----------------------------------------------------------------------------
  18
  19 class WXDLLIMPEXP_BASE wxPrefConfig : public wxConfigBase
  20 {
  21 public:
  22   // ctor & dtor
  23   wxPrefConfig(const wxString& appName = wxEmptyString,
  24                const wxString& vendorName = wxEmptyString,
  25                const wxString& localFilename = wxEmptyString,
  26                const wxString& globalFilename = wxEmptyString,
  27                long style = wxCONFIG_USE_GLOBAL_FILE);
  28
  29   // dtor will save unsaved data
  30   virtual ~wxPrefConfig(){}
  31
  32   // implement inherited pure virtual functions
  33   // ------------------------------------------
  34
  35   // path management
  36   virtual void SetPath(const wxString& strPath);
  37   virtual const wxString& GetPath() const { return m_strPath; }
  38
  39   // entry/subgroup info
  40   virtual bool GetFirstGroup(wxString& str, long& lIndex) const;
  41   virtual bool GetNextGroup (wxString& str, long& lIndex) const;
  42   virtual bool GetFirstEntry(wxString& str, long& lIndex) const;
  43   virtual bool GetNextEntry (wxString& str, long& lIndex) const;
  44
  45   // tests for existence
  46   virtual bool HasGroup(const wxString& strName) const;
  47   virtual bool HasEntry(const wxString& strName) const;
  48   virtual EntryType GetEntryType(const wxString& name) const;
  49
  50   // get number of entries/subgroups in the current group, with or without
  51   // it's subgroups
  52   virtual size_t GetNumberOfEntries(bool bRecursive = false) const;
  53   virtual size_t GetNumberOfGroups(bool bRecursive = false) const;
  54
  55   virtual bool Flush(bool WXUNUSED(bCurrentOnly) = false) { return true; }
  56
  57   // rename
  58   virtual bool RenameEntry(const wxString& oldName, const wxString& newName);
  59   virtual bool RenameGroup(const wxString& oldName, const wxString& newName);
  60
  61   // delete
  62   virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso = true);
  63   virtual bool DeleteGroup(const wxString& key);
  64   virtual bool DeleteAll();
  65
  66 protected:
  67   // implement read/write methods
  68   virtual bool DoReadString(const wxString& key, wxString *pStr) const;
  69   virtual bool DoReadLong(const wxString& key, long *plResult) const;
  70   virtual bool DoReadBinary(const wxString& key, wxMemoryBuffer *buf) const;
  71
  72   virtual bool DoWriteString(const wxString& key, const wxString& szValue);
  73   virtual bool DoWriteLong(const wxString& key, long lValue);
  74   virtual bool DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf);
  75
  76 private:
  77   // current path (not '/' terminated)
  78   wxString  m_strPath;
  79
  80   // current path (group) content (cache for read/write)
  81   wxString m_strGroup;
  82
  83   // current group modified ?
  84   bool m_modGroup;
  85
  86   DECLARE_NO_COPY_CLASS(wxPrefConfig)
  87   DECLARE_ABSTRACT_CLASS(wxPrefConfig)
  88 };
  89
  90 #endif // _PREFCONF_H_
  91