media/extra_grf/assemble_nfo.awk

   1 # $Id$
   2
   3 # This file is part of OpenTTD.
   4 # OpenTTD 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, version 2.
   5 # OpenTTD 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.
   6 # See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   7
   8 BEGIN {
   9         # Very basic variant function; barely any error checking.
  10         # Just use the first argument as the file to start from when assembling everything
  11         path = ARGV[1];
  12         gsub("[^/\\\\]*$", "", path);
  13         assemble(ARGV[1]);
  14 }
  15
  16 # Recursive function for assembling by means of resolving the #includes.
  17 function assemble(filename) {
  18         while ((getline < filename) > 0) {
  19                 if (NF == 2 && $1 == "#include" ) {
  20                         # Remove the quotes.
  21                         gsub("[\"'<>]", "", $2);
  22                         assemble(path $2);
  23                 } else {
  24                         print $0;
  25                 }
  26         }
  27
  28         if (close(filename) < 0) {
  29                 print "Could not open " filename > "/dev/stderr";
  30                 exit -1;
  31         }
  32 }