X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23f681ec4840b44e265e6f71beef5a242306220b..472eec8a0391538e4dcf7f7c6c4f4d44c8383616:/include/wx/msw/registry.h diff --git a/include/wx/msw/registry.h b/include/wx/msw/registry.h index 1161e2a285..5ef5411264 100644 --- a/include/wx/msw/registry.h +++ b/include/wx/msw/registry.h @@ -1,47 +1,28 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/registry.h +// Name: wx/msw/registry.h // 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 // 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 +#include "wx/defs.h" -// ---------------------------------------------------------------------------- -// 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 -*/ +#if wxUSE_REGKEY -typedef unsigned long ulong; +class WXDLLIMPEXP_FWD_BASE wxOutputStream; // ---------------------------------------------------------------------------- // 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! @@ -51,7 +32,6 @@ public: { 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 @@ -64,25 +44,26 @@ public: 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 { - HKCR // classes root -#ifdef __WIN32__ - , + HKCR, // classes root HKCU, // current user HKLM, // local machine HKUSR, // users - HKPD // performance data (WinNT/2K only) -#if WINVER >= 0x0400 - , - HKCC, // current config (starting from Win95/NT 4.0) - HKDD // dynamic data (Win95/98 only) -#endif // Winver -#endif // Win32/16 + HKPD, // performance data (WinNT/2K only) + HKCC, // current config + HKDD, // dynamic data (Win95/98 only) + HKMAX + }; + + // access mode for the key + enum AccessMode + { + Read, // read-only + Write // read and write }; // information about standard (predefined) registry keys @@ -108,7 +89,7 @@ public: wxRegKey(StdKey keyParent, const wxString& strKey); // strKey is the name of key under (previously created) keyParent wxRegKey(const wxRegKey& keyParent, const wxString& strKey); - // + // dtor closes the key ~wxRegKey(); // change key (closes the previously opened key if any) @@ -123,7 +104,7 @@ public: // 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) @@ -139,17 +120,20 @@ 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) - bool Open(); + bool Open(AccessMode mode = Write); // 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); + bool RenameValue(const wxString& szValueOld, const wxString& szValueNew); + // rename the key + bool Rename(const wxString& 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); + bool CopyValue(const wxString& szValue, wxRegKey& keyDst, + const wxString& szNewName = wxEmptyString); + // copy the entire contents of the key recursively to another location - bool Copy(const wxString& strNewName); + bool Copy(const wxString& 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) @@ -159,42 +143,51 @@ public: // deletes this key and all of it's subkeys/values bool DeleteSelf(); // deletes the subkey with all of it's subkeys/values recursively - bool DeleteKey(const wxChar *szKey); - // deletes the named value (may be NULL to remove the default value) - bool DeleteValue(const wxChar *szValue); + bool DeleteKey(const wxString& szKey); + // deletes the named value (may be empty string to remove the default value) + bool DeleteValue(const wxString& szValue); // 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) - bool IsNumericValue(const wxChar *szValue) const; + ValueType GetValueType(const wxString& szValue) const; + // returns true if the value contains a number (else it's some string) + bool IsNumericValue(const wxString& szValue) const; // assignment operators set the default value of the key wxRegKey& operator=(const wxString& strValue) - { SetValue(NULL, strValue); return *this; } - wxRegKey& operator=(long lValue) - { SetValue(NULL, lValue); return *this; } + { SetValue(wxEmptyString, strValue); return *this; } + + // query the default value of the key: implicitly or explicitly + wxString QueryDefaultValue() const; + operator wxString() const { return QueryDefaultValue(); } - // conversion operators query the default value of the key - operator wxString() const; + // named values // set the string value - bool SetValue(const wxChar *szValue, const wxString& strValue); - // return the string value - bool QueryValue(const wxChar *szValue, wxString& strValue) const; + bool SetValue(const wxString& szValue, const wxString& strValue); + // retrieve the string value + bool QueryValue(const wxString& szValue, wxString& strValue) const + { return QueryValue(szValue, strValue, false); } + // retrieve raw string value + bool QueryRawValue(const wxString& szValue, wxString& strValue) const + { return QueryValue(szValue, strValue, true); } + // retrieve either raw or expanded string value + bool QueryValue(const wxString& szValue, wxString& strValue, bool raw) const; -#ifdef __WIN32__ // set the numeric value - bool SetValue(const wxChar *szValue, long lValue); + bool SetValue(const wxString& szValue, long lValue); // return the numeric value - bool QueryValue(const wxChar *szValue, long *plValue) const; -#endif //Win32 + bool QueryValue(const wxString& szValue, long *plValue) const; + // set the binary value + bool SetValue(const wxString& szValue, const wxMemoryBuffer& buf); + // return the binary value + bool QueryValue(const wxString& szValue, wxMemoryBuffer& buf) const; // query existence of a key/value // return true if value exists - bool HasValue(const wxChar *szKey) const; + bool HasValue(const wxString& szKey) const; // return true if given subkey exists - bool HasSubKey(const wxChar *szKey) const; + bool HasSubKey(const wxString& szKey) const; // return true if any subkeys exist bool HasSubkeys() const; // return true if any values exist @@ -209,17 +202,51 @@ public: 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: - // 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) - 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 // wxUSE_REGKEY + +#endif // _WX_MSW_REGISTRY_H_