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/* static char copyright[] = "@(#)Copyright (c) 1986, Greg McGary";
static char sccsid[] = "@(#)idx.c 1.2 86/10/17"; */
#include <stdio.h>
#include <string.h>
#include <config.h>
#include "misc.h"
#include "filenames.h"
#include "scanners.h"
void idxtract __P((char *path));
char const *program_name;
static void
usage (void)
{
fprintf (stderr, "Usage: %s [-u] [+/-a<ccc>] [-c<ccc>] files\n", program_name);
exit (1);
}
int
main (int argc, char **argv)
{
char *arg;
int op;
program_name = basename ((argc--, *argv++));
init_scanners ();
while (argc)
{
arg = (argc--, *argv++);
switch (op = *arg++)
{
case '-':
case '+':
break;
default:
(argc++, --argv);
goto argsdone;
}
switch (*arg++)
{
case 'S':
set_scan_args (op, arg);
break;
default:
usage ();
}
}
argsdone:
if (argc == 0)
usage ();
while (argc)
idxtract ((argc--, *argv++));
return 0;
}
void
idxtract (char *file_name)
{
char const *key;
FILE *source_FILE;
int flags;
char const *suffix;
char const *filter;
char const *lang_name;
char const *(*scanner) (FILE*, int*);
suffix = strrchr (file_name, '.');
lang_name = get_lang_name (suffix);
scanner = get_scanner (lang_name);
if (scanner == NULL)
return;
source_FILE = open_source_FILE (file_name, filter = get_filter (suffix));
if (source_FILE == NULL)
return;
while ((key = (*scanner) (source_FILE, &flags)) != NULL)
puts (key);
close_source_FILE (source_FILE, filter);
}
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