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// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992, 2004, 2009
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 3 of the License, 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#include <ctype.h>
#include "lib.h"
#include "cset.h"
#include "stringclass.h"
extern void change_filename(const char *);
extern void change_lineno(int);
int interpret_lf_args(const char *p)
{
while (*p == ' ')
p++;
if (!csdigit(*p))
return 0;
int ln = 0;
do {
ln *= 10;
ln += *p++ - '0';
} while (csdigit(*p));
if (*p != ' ' && *p != '\n' && *p != '\0')
return 0;
while (*p == ' ')
p++;
if (*p == '\0' || *p == '\n') {
change_lineno(ln);
return 1;
}
const char *q;
for (q = p;
*q != '\0' && *q != ' ' && *q != '\n' && *q != '\\';
q++)
;
string tem(p, q - p);
while (*q == ' ')
q++;
if (*q != '\n' && *q != '\0')
return 0;
tem += '\0';
change_filename(tem.contents());
change_lineno(ln);
return 1;
}
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