MacOS portability improvements.

Added a class to encapsulate Mac vs. Unix path separator differences.
1999-04-27 15:56:22 +00:00
parent f8dde93e05
commit 5bddbd0ca9
4 changed files with 161 additions and 7 deletions
@@ -0,0 +1,75 @@
+//
+// fgpath.cxx -- routines to abstract out path separator differences
+//               between MacOS and the rest of the world
+//
+// Written by Curtis L. Olson, started April 1999.
+//
+// Copyright (C) 1999  Curtis L. Olson - curt@flightgear.org
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#include "fgpath.hxx"
+
+
+// If Unix, replace all ":" with "/".  If MacOS, replace all "/" with
+// ":" it should go without saying that neither of these characters
+// should be used in file or directory names.
+
+static string fix_path( const string path ) {
+    string result = path;
+
+    for ( int i = 0; i < (int)path.size(); ++i ) {
+	if ( result[i] == FG_BAD_PATH_SEP ) {
+	    result[i] = FG_PATH_SEP;
+	}
+    }
+
+    return result;
+}
+
+
+// default constructor
+FGPath::FGPath() {
+    path = "";
+}
+
+
+// create a path based on "path"
+FGPath::FGPath( const string p ) {
+    path = fix_path( p );
+}
+
+
+// destructor
+FGPath::~FGPath() {
+}
+
+
+// append to the existing path
+void FGPath::append( const string p ) {
+    string part = fix_path( p );
+
+    if ( path.size() == 0 ) {
+	path = part;
+    } else {
+	if ( part[0] != FG_PATH_SEP ) {
+	    path += FG_PATH_SEP;
+	}
+	path += part;
+    }
+}