lttoolbox-unicode/lttoolbox/lt_comp.cc

   1 /*
   2  * Copyright (C) 2005 Universitat d'Alacant / Universidad de Alicante
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  17  * 02111-1307, USA.
  18  */
  19 #include <lttoolbox/compiler.h>
  20 #include <lttoolbox/lttools_config.h>
  21
  22 #include <cstdlib>
  23 #include <iostream>
  24 #include <libgen.h>
  25 #include <string>
  26
  27 using namespace std;
  28
  29 void endProgram(char *name)
  30 {
  31   if(name != NULL)
  32   {
  33     cout << basename(name) << " v" << PACKAGE_VERSION <<": build a letter transducer from a dictionary" << endl;
  34     cout << "USAGE: " << basename(name) << " lr | rl dictionary_file output_file" << endl;
  35     cout << "Modes:" << endl;
  36     cout << "  lr:     left-to-right compilation" << endl;
  37     cout << "  rl:     right-to-left compilation" << endl;
  38   }
  39   exit(EXIT_FAILURE);
  40 }
  41
  42
  43 int main(int argc, char *argv[])
  44 {
  45   if(argc != 4)
  46   {
  47     endProgram(argv[0]);
  48   }
  49   string opc = argv[1];
  50
  51   Compiler c;
  52   if(opc == "lr")
  53   {
  54     c.parse(argv[2], Compiler::COMPILER_RESTRICTION_LR_VAL);
  55   }
  56   else if(opc == "rl")
  57   {
  58     c.parse(argv[2], Compiler::COMPILER_RESTRICTION_RL_VAL);
  59   }
  60   else
  61   {
  62     endProgram(argv[0]);
  63   }
  64
  65   FILE *output = fopen(argv[3], "w");
  66   if(!output)
  67   {
  68     cerr << "Error: Cannot open file '" << argv[2] << "'." << endl;
  69     exit(EXIT_FAILURE);
  70   }
  71   c.write(output);
  72   fclose(output);
  73 }