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# Grips::Gripsrc.pm
#
# Copyright (c) 2002 DIMDI <tarek.ahmed@dimdi.de>. All rights reserved.
#
# This module is free software; you can redistribute it and/or modify it under
# the same terms as Perl itself, i.e. under the terms of either the GNU General
# Public License or the Artistic License, as specified in the F<LICENCE> file.
package Grips::Gripsrc;

use Carp;
use strict;
use FileHandle;
use vars qw($VERSION);

$VERSION = "0.01"; # $Id: Gripsrc.pm,v 1.2 2003-02-04 12:19:08 ahmed Exp $

my %gripsrc = ();

sub _readrc
{
 my $host = shift;
 my($home,$file);

 if($^O eq "MacOS") {
   $home = $ENV{HOME} || `pwd`;
   chomp($home);
   $file = ($home =~ /:$/ ? $home . "gripsrc" : $home . ":gripsrc");
 } else {
   # Some OS's don't have `getpwuid', so we default to $ENV{HOME}
   $home = eval { (getpwuid($>))[7] } || $ENV{HOME};
   $file = $home . "/.gripsrc";
 }

 my $fh;
 local $_;

 $gripsrc{default} = undef;

 # OS/2 and Win32 do not handle stat in a way compatable with this check :-(
 unless($^O eq 'os2'
     || $^O eq 'MSWin32'
     || $^O eq 'MacOS'
     || $^O =~ /^cygwin/)
  { 
   my @stat = stat($file);

   if(@stat)
    {
     if($stat[2] & 077)
      {
       carp "Bad permissions: $file";
       return;
      }
     if($stat[4] != $<)
      {
       carp "Not owner: $file";
       return;
      }
    }
  }

 if($fh = FileHandle->new($file,"r"))
  {
   my($mach,$macdef,$tok,@tok) = (0,0);

   while(<$fh>)
    {
     undef $macdef if /\A\n\Z/;

     if($macdef)
      {
       push(@$macdef,$_);
       next;
      }

     s/^\s*//;
     chomp;
     push(@tok, $+)
       while(length && s/^("([^"]*)"|(\S+))\s*//);

TOKEN:
     while(@tok)
      {
       if($tok[0] eq "default")
        {
         shift(@tok);
         $mach = bless {};
   	 $gripsrc{default} = [$mach];

         next TOKEN;