MacOS portability improvements.

Added a class to encapsulate Mac vs. Unix path separator differences.

Lib/Misc/Makefile.am

@@ -3,6 +3,7 @@
 noinst_LIBRARIES = libMisc.a
 
 libMisc_a_SOURCES = \
+	fgpath.cxx fgpath.hxx \
 	fgstream.cxx fgstream.hxx \
 	stopwatch.hxx \
 	strutils.cxx strutils.hxx \

Lib/Misc/fgpath.cxx

@@ -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;
+    }
+}

Lib/Misc/fgpath.hxx

@@ -0,0 +1,74 @@
+//
+// fgpath.hxx -- 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.
+//
+// $Id$
+
+
+#ifndef _FGPATH_HXX
+#define _FGPATH_HXX
+
+
+#include <Include/compiler.h>
+
+#include STL_STRING
+
+FG_USING_STD(string);
+
+
+#ifdef MACOS
+#  define FG_PATH_SEP ':'
+#  define FG_BAD_PATH_SEP '/'
+#else
+#  define FG_PATH_SEP '/'
+#  define FG_BAD_PATH_SEP ':'
+#endif
+
+
+class FGPath {
+
+private:
+
+    string path;
+
+public:
+
+    // default constructor
+    FGPath();
+
+    // create a path based on "path"
+    FGPath( const string p );
+
+    // destructor
+    ~FGPath();
+
+    // append to the existing path
+    void append( const string p );
+
+    // get the path string
+    inline string get_path() const { return path; }
+    inline const char *get_path_c_str() { return path.c_str(); }
+};
+
+
+#endif // _FGPATH_HXX
+
+

Lib/Misc/fgstream.cxx

@@ -98,18 +98,22 @@ skipeol( istream& in )
     while ( in.get(c) && (c != '\n' && c != '\r') )
 	;
 
-    // \r\n ?
+    #ifdef __MWERKS // -dw- need to strip line ending!
+    in >> skipws;
+    #endif
+
     return in;
 }
 
 istream&
-skipws( istream& in )
-{
+skipws( istream& in ) {
     char c;
-    while ( in.get(c) )
-    {
-	if ( ! isspace( c ) )
-	{
+    while ( in.get(c) ) {
+	#ifdef __MWERKS__ // -dw- for unix file compatibility
+	if ( ! (isspace( c ) ) || c != '\0' || c!='\n' || c != '\r' ) {
+	#else
+	if ( ! isspace( c ) ) {
+	#endif
 	    // put pack the non-space character
 	    in.putback(c);
 	    break;