+
+// ----------------------------------------------------------------------------
+// path splitting function
+// ----------------------------------------------------------------------------
+
+void wxFileName::SplitPath(const wxString& fullpath,
+ wxString *pstrPath,
+ wxString *pstrName,
+ wxString *pstrExt,
+ wxPathFormat format)
+{
+ format = GetFormat(format);
+
+ // find the positions of the last dot and last path separator in the path
+ size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT);
+ size_t posLastSlash = fullpath.find_last_of(GetPathSeparators(format));
+
+ if ( (posLastDot != wxString::npos) && (format == wxPATH_UNIX) )
+ {
+ if ( (posLastDot == 0) ||
+ (fullpath[posLastDot - 1] == wxFILE_SEP_PATH_UNIX) )
+ {
+ // under Unix, dot may be (and commonly is) the first character of
+ // the filename, don't treat the entire filename as extension in
+ // this case
+ posLastDot = wxString::npos;
+ }
+ }
+
+ // if we do have a dot and a slash, check that the dot is in the name part
+ if ( (posLastDot != wxString::npos) &&
+ (posLastSlash != wxString::npos) &&
+ (posLastDot < posLastSlash) )
+ {
+ // the dot is part of the path, not the start of the extension
+ posLastDot = wxString::npos;
+ }
+
+ // now fill in the variables provided by user
+ if ( pstrPath )
+ {
+ if ( posLastSlash == wxString::npos )
+ {
+ // no path at all
+ pstrPath->Empty();
+ }
+ else
+ {
+ // take all until the separator
+ *pstrPath = fullpath.Left(posLastSlash);
+ }
+ }
+
+ if ( pstrName )
+ {
+ // take all characters starting from the one after the last slash and
+ // up to, but excluding, the last dot
+ size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1;
+ size_t count;
+ if ( posLastDot == wxString::npos )
+ {
+ // take all until the end
+ count = wxString::npos;
+ }
+ else if ( posLastSlash == wxString::npos )
+ {
+ count = posLastDot;
+ }
+ else // have both dot and slash
+ {
+ count = posLastDot - posLastSlash - 1;
+ }
+
+ *pstrName = fullpath.Mid(nStart, count);
+ }
+
+ if ( pstrExt )
+ {
+ if ( posLastDot == wxString::npos )
+ {
+ // no extension
+ pstrExt->Empty();
+ }
+ else
+ {
+ // take everything after the dot
+ *pstrExt = fullpath.Mid(posLastDot + 1);
+ }
+ }
+}