+ { return !key.IsEmpty() && key[0] == wxCONFIG_IMMUTABLE_PREFIX; }
+
+ // return the path without trailing separator, if any: this should be called
+ // to sanitize paths referring to the group names before passing them to
+ // wxConfigPathChanger as "/foo/bar/" should be the same as "/foo/bar" and it
+ // isn't interpreted in the same way by it (and this can't be changed there
+ // as it's not the same for the entries names)
+ static wxString RemoveTrailingSeparator(const wxString& key);
+
+ // do read/write the values of different types
+ virtual bool DoReadString(const wxString& key, wxString *pStr) const = 0;
+ virtual bool DoReadLong(const wxString& key, long *pl) const = 0;
+ virtual bool DoReadInt(const wxString& key, int *pi) const;
+ virtual bool DoReadDouble(const wxString& key, double* val) const;
+ virtual bool DoReadBool(const wxString& key, bool* val) const;
+ virtual bool DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const = 0;
+
+ virtual bool DoWriteString(const wxString& key, const wxString& value) = 0;
+ virtual bool DoWriteLong(const wxString& key, long value) = 0;
+ virtual bool DoWriteInt(const wxString& key, int value);
+ virtual bool DoWriteDouble(const wxString& key, double value);
+ virtual bool DoWriteBool(const wxString& key, bool value);
+ virtual bool DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf) = 0;