-
-/// should we use registry instead of configuration files under Win32?
-#ifndef APPCONF_WIN32_NATIVE
- #define APPCONF_WIN32_NATIVE TRUE
-#endif
-
-// ----------------------------------------------------------------------------
-// global functions
-// ----------------------------------------------------------------------------
-
-/*
- Replace environment variables ($SOMETHING) with their values. The format is
- $VARNAME or ${VARNAME} where VARNAME contains alphanumeric characters and
- '_' only. '$' must be escaped ('\$') in order to be taken literally.
-*/
-wxString ExpandEnvVars(const wxString& str);
-
-// ----------------------------------------------------------------------------
-// abstract base class wxConfig which defines the interface for derived classes
-//
-// wxConfig organizes the items in a tree-like structure (modeled after the
-// Unix/Dos filesystem). There are groups (directories) and keys (files).
-// There is always one current group given by the current path.
-//
-// Keys are pairs "key_name = value" where value may be of string or integer
-// (long) type (@@@ doubles and other types such as wxDate coming soon).
-// ----------------------------------------------------------------------------
-class wxConfig
-{
-public:
- // ctor & virtual dtor
- wxConfig() { }
- virtual ~wxConfig();
-
- // path management
- // set current path: if the first character is '/', it's the absolute path,
- // otherwise it's a relative path. '..' is supported. If the strPath
- // doesn't exist it is created.
- virtual void SetPath(const wxString& strPath) = 0;
- // retrieve the current path (always as absolute path)
- virtual const wxString& GetPath() const = 0;
-
- // enumeration: all functions here return false when there are no more items.
- // you must pass the same lIndex to GetNext and GetFirst (don't modify it)
- // enumerate subgroups
- virtual bool GetFirstGroup(wxString& str, long& lIndex) = 0;
- virtual bool GetNextGroup (wxString& str, long& lIndex) = 0;
- // enumerate entries
- virtual bool GetFirstEntry(wxString& str, long& lIndex) = 0;
- virtual bool GetNextEntry (wxString& str, long& lIndex) = 0;
-
- // key access
- // read a string or long value from the key. If the key is not
- // found the default value is returned.
- virtual const char *Read(const char *szKey,
- const char *szDefault = NULL) const = 0;
- virtual long Read(const char *szKey, long lDefault) const = 0;
-
- // write the value (return true on success)
- virtual bool Write(const char *szKey, const char *szValue) = 0;
- virtual bool Write(const char *szKey, long lValue) = 0;
- // permanently writes all changes
- virtual bool Flush(bool bCurrentOnly = FALSE) = 0;
-
- // delete entries/groups
- // deletes the specified entry and the group it belongs to if
- // it was the last key in it and the second parameter is true
- virtual bool DeleteEntry(const char *szKey,
- bool bDeleteGroupIfEmpty = TRUE) = 0;
- // delete the group (with all subgroups)
- virtual bool DeleteGroup(const char *szKey) = 0;
- // delete the whole underlying object (disk file, registry key, ...)
- // primarly for use by desinstallation routine.
- virtual bool DeleteAll() = 0;
-
-protected:
- // true if environment variables are to be auto-expanded
- bool m_bExpandEnvVars;
-};
-
-// ----------------------------------------------------------------------------
-// functions to create different config implementations
-// ----------------------------------------------------------------------------
-
-wxConfig *CreateFileConfig(const wxString& strFile, bool bLocalOnly = FALSE);
-
-#endif //_APPCONF_H
-