include/wx/msw/regconf.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/regconf.h
   3 // Purpose:     Registry based implementation of wxConfigBase
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     27.04.98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef   _REGCONF_H
  13 #define   _REGCONF_H
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "regconf.h"
  17 #endif
  18
  19 #ifndef   _REGISTRY_H
  20   #include "wx/msw/registry.h"
  21 #endif
  22 #include "wx/object.h"
  23
  24 // ----------------------------------------------------------------------------
  25 // wxRegConfig
  26 // ----------------------------------------------------------------------------
  27
  28 class WXDLLIMPEXP_BASE wxRegConfig : public wxConfigBase
  29 {
  30 public:
  31   // ctor & dtor
  32     // will store data in HKLM\appName and HKCU\appName
  33   wxRegConfig(const wxString& appName = wxEmptyString,
  34               const wxString& vendorName = wxEmptyString,
  35               const wxString& localFilename = wxEmptyString,
  36               const wxString& globalFilename = wxEmptyString,
  37               long style = wxCONFIG_USE_GLOBAL_FILE);
  38
  39     // dtor will save unsaved data
  40   virtual ~wxRegConfig();
  41
  42   // implement inherited pure virtual functions
  43   // ------------------------------------------
  44
  45   // path management
  46   virtual void SetPath(const wxString& strPath);
  47   virtual const wxString& GetPath() const { return m_strPath; }
  48
  49   // entry/subgroup info
  50     // enumerate all of them
  51   virtual bool GetFirstGroup(wxString& str, long& lIndex) const;
  52   virtual bool GetNextGroup (wxString& str, long& lIndex) const;
  53   virtual bool GetFirstEntry(wxString& str, long& lIndex) const;
  54   virtual bool GetNextEntry (wxString& str, long& lIndex) const;
  55
  56     // tests for existence
  57   virtual bool HasGroup(const wxString& strName) const;
  58   virtual bool HasEntry(const wxString& strName) const;
  59   virtual EntryType GetEntryType(const wxString& name) const;
  60
  61     // get number of entries/subgroups in the current group, with or without
  62     // it's subgroups
  63   virtual size_t GetNumberOfEntries(bool bRecursive = FALSE) const;
  64   virtual size_t GetNumberOfGroups(bool bRecursive = FALSE) const;
  65
  66   virtual bool Flush(bool WXUNUSED(bCurrentOnly) = FALSE) { return TRUE; }
  67
  68   // rename
  69   virtual bool RenameEntry(const wxString& oldName, const wxString& newName);
  70   virtual bool RenameGroup(const wxString& oldName, const wxString& newName);
  71
  72   // delete
  73   virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso = TRUE);
  74   virtual bool DeleteGroup(const wxString& key);
  75   virtual bool DeleteAll();
  76
  77 protected:
  78   // opens the local key creating it if necessary and returns it
  79   wxRegKey& LocalKey() const // must be const to be callable from const funcs
  80   {
  81       wxRegConfig* self = wxConstCast(this, wxRegConfig);
  82
  83       if ( !m_keyLocal.IsOpened() )
  84       {
  85           // create on demand
  86           self->m_keyLocal.Create();
  87       }
  88
  89       return self->m_keyLocal;
  90   }
  91
  92   // implement read/write methods
  93   virtual bool DoReadString(const wxString& key, wxString *pStr) const;
  94   virtual bool DoReadLong(const wxString& key, long *plResult) const;
  95
  96   virtual bool DoWriteString(const wxString& key, const wxString& szValue);
  97   virtual bool DoWriteLong(const wxString& key, long lValue);
  98
  99 private:
 100   // no copy ctor/assignment operator
 101   wxRegConfig(const wxRegConfig&);
 102   wxRegConfig& operator=(const wxRegConfig&);
 103
 104   // these keys are opened during all lifetime of wxRegConfig object
 105   wxRegKey  m_keyLocalRoot,  m_keyLocal,
 106             m_keyGlobalRoot, m_keyGlobal;
 107
 108   // current path (not '/' terminated)
 109   wxString  m_strPath;
 110 };
 111
 112 #endif  //_REGCONF_H