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/* otp2ocp.c: Main program for transforming OTP files into OCP files.
This file is part of Omega,
which is based on the web2c distribution of TeX,
Copyright (c) 1994--2001 John Plaice and Yannis Haralambous
Copyright (c) 2002 Behdad Esfahbod
Copyright (C) 2002, 2005, 2006 Roozbeh Pournader
Omega 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.
Omega 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 Omega; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#include <kpathsea/config.h>
#include <kpathsea/types.h>
#include <kpathsea/c-std.h>
#include <kpathsea/c-fopen.h>
#include <kpathsea/tex-file.h>
#include "routines.h"
extern FILE *yyin;
int
yywrap(void)
{
return 1;
}
static void
output(FILE *output_file, int i)
{
/* make sure output is in big-endian form */
char j;
int k;
k = i;
j = k >> 24;
fwrite (&j, 1, 1, output_file);
k = k & 0xffffff;
j = k >> 16;
fwrite (&j, 1, 1, output_file);
k = k & 0xffff;
j = k >> 8;
fwrite (&j, 1, 1, output_file);
j = k & 0xff;
fwrite (&j, 1, 1, output_file);
}
static void
otp_read(string input_name, string output_name)
{
int i, j, len, no_words;
int *table, *instrs;
FILE *input_file, *output_file;
input_file = xfopen (input_name, FOPEN_R_MODE);
store_state ("INITIAL");
yyin = input_file;
if (yyparse ())
exit (EXIT_FAILURE);
output_file = xfopen (output_name, FOPEN_WBIN_MODE);
room_for_tables = 0;
for (i = 0; i < no_tables; i++)
{
room_for_tables = room_for_tables + tables[i].length;
}
room_for_states = 0;
for (i = 0; i < no_states; i++)
{
room_for_states = room_for_states + states[i].length;
}
no_words = no_tables + room_for_tables + no_states + room_for_states + 7;
output (output_file, no_words);
output (output_file, input_bytes);
output (output_file, output_bytes);
output (output_file, no_tables);
output (output_file, room_for_tables);
output (output_file, no_states);
output (output_file, room_for_states);
for (i = 0; i < no_tables; i++)
{
len = tables[i].length;
output (output_file, len);
}
for (i = 0; i < no_tables; i++)
{
len = tables[i].length;
table = tables[i].table;
for (j = 0; j < len; j++)
{
output (output_file, table[j]);
}
}
for (i = 0; i < no_states; i++)
{
len = states[i].length;
output (output_file, len);
}
for (i = 0; i < no_states; i++)
{
len = states[i].length;
instrs = states[i].instrs;
for (j = 0; j < len; j++)
{
output (output_file, instrs[j]);
}
}
}
int
main(int argc, string *argv)
{
string input_name, full_input_name;
string output_name;
kpse_set_program_name (argv[0], "otp2ocp");
switch (argc)
{
case 1:
FATAL ("No command line arguments given");
case 2:
input_name = argv[1];
output_name = make_suffix (xbasename (input_name), "ocp");
break;
case 3:
input_name = argv[1];
output_name = argv[2];
break;
default:
FATAL ("Too many command line arguments");
}
full_input_name = kpse_find_file (input_name, kpse_otp_format, true);
if (!full_input_name)
{
FATAL1 ("File '%s' not found", input_name);
}
otp_read (full_input_name, output_name);
return EXIT_SUCCESS;
}
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