nested iterator classes must be dll-exported

[wxWidgets.git] / include / wx / msw / registry.h

diff --git a/include/wx/msw/registry.h b/include/wx/msw/registry.h
index 1161e2a2851f6c91126bc253d27896e244517277..5cc7f5c9fab4da6943bcc216f1b28aa6163b10f4 100644 (file)
--- a/include/wx/msw/registry.h
+++ b/include/wx/msw/registry.h
@@ -1,47 +1,24 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        msw/registry.h
+// Name:        wx/msw/registry.h

 // Purpose:     Registry classes and functions
 // Author:      Vadim Zeitlin
 // Modified by:
 // Purpose:     Registry classes and functions
 // Author:      Vadim Zeitlin
 // Modified by:

-// Created:     03.04.198
+// Created:     03.04.1998

 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifndef   _REGISTRY_H
-#define   _REGISTRY_H
+#ifndef _WX_MSW_REGISTRY_H_
+#define _WX_MSW_REGISTRY_H_

 
 

-#ifdef __GNUG__
-#pragma interface "registry.h"
-#endif
-
-// ----------------------------------------------------------------------------
-// mutable hack (see also registry.cpp)
-// ----------------------------------------------------------------------------
-#if   wxUSE_MUTABLE
-  #define MUTABLE mutable
-#else
-  #define MUTABLE
-#endif
-
-// ----------------------------------------------------------------------------
-// types used in this module
-// ----------------------------------------------------------------------------
-
-/*
-#ifndef   HKEY_DEFINED
-  #define HKEY_DEFINED
-  #define HKEY unsigned long
-#endif
-*/
-
-typedef unsigned long ulong;
+class WXDLLIMPEXP_BASE wxOutputStream;

 
 // ----------------------------------------------------------------------------
 // class wxRegKey encapsulates window HKEY handle
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // class wxRegKey encapsulates window HKEY handle
 // ----------------------------------------------------------------------------

-class WXDLLEXPORT wxRegKey 
+
+class WXDLLIMPEXP_BASE wxRegKey

 {
 public:
   // NB: do _not_ change the values of elements in these enumerations!
 {
 public:
   // NB: do _not_ change the values of elements in these enumerations!


@@ -51,7 +28,6 @@ public:
   {
     Type_None,                       // No value type
     Type_String,                     // Unicode nul terminated string
   {
     Type_None,                       // No value type
     Type_String,                     // Unicode nul terminated string

-#ifdef  __WIN32__

     Type_Expand_String,              // Unicode nul terminated string
                                      // (with environment variable references)
     Type_Binary,                     // Free form binary
     Type_Expand_String,              // Unicode nul terminated string
                                      // (with environment variable references)
     Type_Binary,                     // Free form binary


@@ -64,25 +40,31 @@ public:
     Type_Resource_list,              // Resource list in the resource map
     Type_Full_resource_descriptor,   // Resource list in the hardware description
     Type_Resource_requirements_list  // ???
     Type_Resource_list,              // Resource list in the resource map
     Type_Full_resource_descriptor,   // Resource list in the hardware description
     Type_Resource_requirements_list  // ???

-#endif  //WIN32

   };
 
   // predefined registry keys
   enum StdKey
   {
   };
 
   // predefined registry keys
   enum StdKey
   {

-    HKCR        // classes root
-#ifdef  __WIN32__
-    ,
+    HKCR,       // classes root

     HKCU,       // current user
     HKLM,       // local machine
     HKCU,       // current user
     HKLM,       // local machine

-    HKUSR,      // users
+    HKUSR       // users
+#ifndef __WXWINCE__
+    ,

     HKPD        // performance data (WinNT/2K only)
     HKPD        // performance data (WinNT/2K only)

+#endif

 #if WINVER >= 0x0400
     ,
     HKCC,       // current config (starting from Win95/NT 4.0)
     HKDD        // dynamic data (Win95/98 only)
 #endif  // Winver
 #if WINVER >= 0x0400
     ,
     HKCC,       // current config (starting from Win95/NT 4.0)
     HKDD        // dynamic data (Win95/98 only)
 #endif  // Winver

-#endif  // Win32/16
+  };
+
+  // access mode for the key
+  enum AccessMode
+  {
+      Read,     // read-only
+      Write     // read and write

   };
 
   // information about standard (predefined) registry keys
   };
 
   // information about standard (predefined) registry keys


@@ -108,7 +90,7 @@ public:
   wxRegKey(StdKey keyParent, const wxString& strKey);
     // strKey is the name of key under (previously created) keyParent
   wxRegKey(const wxRegKey& keyParent, const wxString& strKey);
   wxRegKey(StdKey keyParent, const wxString& strKey);
     // strKey is the name of key under (previously created) keyParent
   wxRegKey(const wxRegKey& keyParent, const wxString& strKey);

-    //
+    // dtor closes the key

  ~wxRegKey();
 
   // change key (closes the previously opened key if any)
  ~wxRegKey();
 
   // change key (closes the previously opened key if any)


@@ -123,7 +105,7 @@ public:
 
   // get infomation about the key
     // get the (full) key name. Abbreviate std root keys if bShortPrefix.
 
   // get infomation about the key
     // get the (full) key name. Abbreviate std root keys if bShortPrefix.

-  wxString GetName(bool bShortPrefix = TRUE) const;
+  wxString GetName(bool bShortPrefix = true) const;

     // return true if the key exists
   bool  Exists() const;
     // get the info about key (any number of these pointers may be NULL)
     // return true if the key exists
   bool  Exists() const;
     // get the info about key (any number of these pointers may be NULL)


@@ -139,17 +121,19 @@ public:
   // operations on the key itself
     // explicitly open the key (will be automatically done by all functions
     // which need the key to be opened if the key is not opened yet)
   // operations on the key itself
     // explicitly open the key (will be automatically done by all functions
     // which need the key to be opened if the key is not opened yet)

-  bool  Open();
+  bool  Open(AccessMode mode = Write);

     // create the key: will fail if the key already exists and !bOkIfExists
     // create the key: will fail if the key already exists and !bOkIfExists

-  bool  Create(bool bOkIfExists = TRUE);
+  bool  Create(bool bOkIfExists = true);

     // rename a value from old name to new one
   bool  RenameValue(const wxChar *szValueOld, const wxChar *szValueNew);
     // rename a value from old name to new one
   bool  RenameValue(const wxChar *szValueOld, const wxChar *szValueNew);

+    // rename the key
+  bool  Rename(const wxChar *szNewName);

     // copy value to another key possibly changing its name (by default it will
     // remain the same)
   bool  CopyValue(const wxChar *szValue, wxRegKey& keyDst,
                   const wxChar *szNewName = NULL);
     // copy the entire contents of the key recursively to another location
     // copy value to another key possibly changing its name (by default it will
     // remain the same)
   bool  CopyValue(const wxChar *szValue, wxRegKey& keyDst,
                   const wxChar *szNewName = NULL);
     // copy the entire contents of the key recursively to another location

-  bool  Copy(const wxString& strNewName);
+  bool  Copy(const wxChar *szNewName);

     // same as Copy() but using a key and not the name
   bool  Copy(wxRegKey& keyDst);
     // close the key (will be automatically done in dtor)
     // same as Copy() but using a key and not the name
   bool  Copy(wxRegKey& keyDst);
     // close the key (will be automatically done in dtor)


@@ -166,7 +150,7 @@ public:
   // access to values and subkeys
     // get value type
   ValueType GetValueType(const wxChar *szValue) const;
   // access to values and subkeys
     // get value type
   ValueType GetValueType(const wxChar *szValue) const;

-    // returns TRUE if the value contains a number (else it's some string)
+    // returns true if the value contains a number (else it's some string)

   bool IsNumericValue(const wxChar *szValue) const;
 
     // assignment operators set the default value of the key
   bool IsNumericValue(const wxChar *szValue) const;
 
     // assignment operators set the default value of the key


@@ -175,20 +159,31 @@ public:
   wxRegKey& operator=(long lValue)
     { SetValue(NULL, lValue); return *this; }
 
   wxRegKey& operator=(long lValue)
     { SetValue(NULL, lValue); return *this; }
 

-    // conversion operators query the default value of the key
-  operator wxString() const;
+    // query the default value of the key: implicitly or explicitly
+  wxString QueryDefaultValue() const;
+  operator wxString() const { return QueryDefaultValue(); }
+
+    // named values

 
     // set the string value
   bool  SetValue(const wxChar *szValue, const wxString& strValue);
 
     // set the string value
   bool  SetValue(const wxChar *szValue, const wxString& strValue);

-    // return the string value
-  bool  QueryValue(const wxChar *szValue, wxString& strValue) const;
+    // retrieve the string value
+  bool  QueryValue(const wxChar *szValue, wxString& strValue) const
+    { return QueryValue(szValue, strValue, false); }
+    // retrieve raw string value
+  bool  QueryRawValue(const wxChar *szValue, wxString& strValue) const
+    { return QueryValue(szValue, strValue, true); }
+    // retrieve either raw or expanded string value
+  bool  QueryValue(const wxChar *szValue, wxString& strValue, bool raw) const;

 
 

-#ifdef  __WIN32__

     // set the numeric value
   bool  SetValue(const wxChar *szValue, long lValue);
     // return the numeric value
   bool  QueryValue(const wxChar *szValue, long *plValue) const;
     // set the numeric value
   bool  SetValue(const wxChar *szValue, long lValue);
     // return the numeric value
   bool  QueryValue(const wxChar *szValue, long *plValue) const;

-#endif  //Win32
+    // set the binary value
+  bool  SetValue(const wxChar *szValue, const wxMemoryBuffer& buf);
+    // return the binary value
+  bool  QueryValue(const wxChar *szValue, wxMemoryBuffer& buf) const;

 
   // query existence of a key/value
     // return true if value exists
 
   // query existence of a key/value
     // return true if value exists


@@ -209,17 +204,49 @@ public:
   bool  GetFirstKey  (wxString& strKeyName  , long& lIndex);
   bool  GetNextKey   (wxString& strKeyName  , long& lIndex) const;
 
   bool  GetFirstKey  (wxString& strKeyName  , long& lIndex);
   bool  GetNextKey   (wxString& strKeyName  , long& lIndex) const;
 

+  // export the contents of this key and all its subkeys to the given file
+  // (which won't be overwritten, it's an error if it already exists)
+  //
+  // note that we export the key in REGEDIT4 format, not RegSaveKey() binary
+  // format nor newer REGEDIT5 one
+  bool Export(const wxString& filename) const;
+
+  // same as above but write to the given (opened) stream
+  bool Export(wxOutputStream& ostr) const;
+
+
+  // for wxRegConfig usage only: preallocate some memory for the name
+  void ReserveMemoryForName(size_t bytes) { m_strKey.reserve(bytes); }
+

 private:
 private:

-  // no copy ctor/assignment operator
-  wxRegKey(const wxRegKey& key);            // not implemented
-  wxRegKey& operator=(const wxRegKey& key); // not implemented
+  // common part of all ctors
+  void Init()
+  {
+    m_hKey = (WXHKEY) NULL;
+    m_dwLastError = 0;
+  }
+
+  // recursive helper for Export()
+  bool DoExport(wxOutputStream& ostr) const;
+
+  // export a single value
+  bool DoExportValue(wxOutputStream& ostr, const wxString& name) const;
+
+  // return the text representation (in REGEDIT4 format) of the value with the
+  // given name
+  wxString FormatValue(const wxString& name) const;
+

 
   WXHKEY      m_hKey,           // our handle
               m_hRootKey;       // handle of the top key (i.e. StdKey)
   wxString    m_strKey;         // key name (relative to m_hRootKey)
 
 
   WXHKEY      m_hKey,           // our handle
               m_hRootKey;       // handle of the top key (i.e. StdKey)
   wxString    m_strKey;         // key name (relative to m_hRootKey)
 

-  MUTABLE long m_dwLastError;   // last error (0 if none)
+  AccessMode  m_mode;           // valid only if key is opened
+  long        m_dwLastError;    // last error (0 if none)
+
+
+  DECLARE_NO_COPY_CLASS(wxRegKey)

 };
 
 };
 

-#endif  //_REGISTRY_H
+#endif // _WX_MSW_REGISTRY_H_