1 // sg_path.cxx -- routines to abstract out path separator differences
2 // between MacOS and the rest of the world
4 // Written by Curtis L. Olson, started April 1999.
6 // Copyright (C) 1999 Curtis L. Olson - curt@flightgear.org
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the
20 // Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 // Boston, MA 02111-1307, USA.
26 #include <simgear_config.h>
28 #include "sg_path.hxx"
31 // If Unix, replace all ":" with "/". If MacOS, replace all "/" with
32 // ":" it should go without saying that neither of these characters
33 // should be used in file or directory names. In windoze, allow the
34 // second character to be a ":" for things like c:\foo\bar
36 static string fix_path( const string path ) {
39 for ( int i = 0; i < (int)path.size(); ++i ) {
41 // for windoze, don't replace the ":" for the second character
46 if ( result[i] == SG_BAD_PATH_SEP ) {
47 result[i] = SG_PATH_SEP;
55 // default constructor
61 // create a path based on "path"
62 SGPath::SGPath( const string p ) {
73 void SGPath::set( const string p ) {
78 // append another piece to the existing path
79 void SGPath::append( const string p ) {
80 string part = fix_path( p );
82 if ( path.size() == 0 ) {
85 if ( part[0] != SG_PATH_SEP ) {
93 // concatenate a string to the end of the path without inserting a
95 void SGPath::concat( const string p ) {
96 string part = fix_path( p );
98 if ( path.size() == 0 ) {
106 // get the directory part of the path.
107 string SGPath::dir() {
108 int index = path.rfind(SG_PATH_SEP);
110 return path.substr(0, index);