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/* Copyright (C) 1992, 2001 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
This file is part of groff.
groff 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, or (at your option) any later
version.
groff 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 groff; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This translates ps fonts in .pfb format to ASCII ps files. */
#include <stdio.h>
#include <getopt.h>
#include <limits.h>
#include "nonposix.h"
/* Binary bytes per output line. */
#define BYTES_PER_LINE (64/2)
#define HEX_DIGITS "0123456789abcdef"
static char *program_name;
static void error(s)
char *s;
{
fprintf(stderr, "%s: %s\n", program_name, s);
exit(2);
}
static void usage(FILE *stream)
{
fprintf(stream, "usage: %s [-v] [pfb_file]\n", program_name);
}
int main(argc, argv)
int argc;
char **argv;
{
int opt;
extern int optind;
static const struct option long_options[] = {
{ "help", no_argument, 0, CHAR_MAX + 1 },
{ "version", no_argument, 0, 'v' },
{ NULL, 0, 0, 0 }
};
program_name = argv[0];
while ((opt = getopt_long(argc, argv, "v", long_options, NULL)) != EOF) {
switch (opt) {
case 'v':
{
extern const char *Version_string;
printf("GNU pfbtops (groff) version %s\n", Version_string);
exit(0);
break;
}
case CHAR_MAX + 1: /* --help */
usage(stdout);
exit(0);
break;
case '?':
usage(stderr);
exit(1);
break;
}
}
if (argc - optind > 1) {
usage(stderr);
exit(1);
}
if (argc > optind && !freopen(argv[optind], "r", stdin))
{
perror(argv[optind]);
exit(1);
}
#ifdef SET_BINARY
SET_BINARY(fileno(stdin));
#endif
for (;;)
{
int type, c, i;
long n;
c = getchar();
if (c != 0x80)
error("first byte of packet not 0x80");
type = getchar();
if (type == 3)
break;
if (type != 1 && type != 2)
error("bad packet type");
n = 0;
for (i = 0; i < 4; i++)
{
c = getchar();
if (c == EOF)
error("end of file in packet header");
n |= (long)c << (i << 3);
}
if (n < 0)
error("negative packet length");
if (type == 1)
{
while (--n >= 0)
{
c = getchar();
if (c == EOF)
error("end of file in text packet");
if (c == '\r')
c = '\n';
putchar(c);
}
if (c != '\n')
putchar('\n');
}
else
{
int count = 0;
while (--n >= 0)
{
c = getchar();
if (c == EOF)
error("end of file in binary packet");
if (count >= BYTES_PER_LINE)
{
putchar('\n');
count = 0;
}
count++;
putchar(HEX_DIGITS[(c >> 4) & 0xf]);
putchar(HEX_DIGITS[c & 0xf]);
}
putchar('\n');
}
}
exit(0);
}
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