129 lines
2.9 KiB
C++
129 lines
2.9 KiB
C++
// -*- C++ -*-
|
|
/* Copyright (C) 1989, 1990, 1991, 1992 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. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
|
|
#include "errarg.h"
|
|
#include "error.h"
|
|
#include "lib.h"
|
|
#include "cset.h"
|
|
|
|
#include "refid.h"
|
|
#include "search.h"
|
|
|
|
extern "C" {
|
|
int isatty(int);
|
|
}
|
|
|
|
static void usage()
|
|
{
|
|
fprintf(stderr, "usage: %s [-v] [-i XYZ] [-t N] database ...\n",
|
|
program_name);
|
|
exit(1);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
program_name = argv[0];
|
|
static char stderr_buf[BUFSIZ];
|
|
setbuf(stderr, stderr_buf);
|
|
int opt;
|
|
while ((opt = getopt(argc, argv, "vVi:t:")) != EOF)
|
|
switch (opt) {
|
|
case 'V':
|
|
verify_flag = 1;
|
|
break;
|
|
case 'i':
|
|
linear_ignore_fields = optarg;
|
|
break;
|
|
case 't':
|
|
{
|
|
char *ptr;
|
|
long n = strtol(optarg, &ptr, 10);
|
|
if (n == 0 && ptr == optarg) {
|
|
error("bad integer `%1' in `t' option", optarg);
|
|
break;
|
|
}
|
|
if (n < 1)
|
|
n = 1;
|
|
linear_truncate_len = int(n);
|
|
break;
|
|
}
|
|
case 'v':
|
|
{
|
|
extern const char *Version_string;
|
|
fprintf(stderr, "GNU lookbib version %s\n", Version_string);
|
|
fflush(stderr);
|
|
break;
|
|
}
|
|
case '?':
|
|
usage();
|
|
default:
|
|
assert(0);
|
|
}
|
|
if (optind >= argc)
|
|
usage();
|
|
search_list list;
|
|
for (int i = optind; i < argc; i++)
|
|
list.add_file(argv[i]);
|
|
if (list.nfiles() == 0)
|
|
fatal("no databases");
|
|
char line[1024];
|
|
int interactive = isatty(fileno(stdin));
|
|
for (;;) {
|
|
if (interactive) {
|
|
fputs("> ", stderr);
|
|
fflush(stderr);
|
|
}
|
|
if (!fgets(line, sizeof(line), stdin))
|
|
break;
|
|
char *ptr = line;
|
|
while (csspace(*ptr))
|
|
ptr++;
|
|
if (*ptr == '\0')
|
|
continue;
|
|
search_list_iterator iter(&list, line);
|
|
const char *start;
|
|
int len;
|
|
int count;
|
|
for (count = 0; iter.next(&start, &len); count++) {
|
|
if (fwrite(start, 1, len, stdout) != len)
|
|
fatal("write error on stdout: %1", strerror(errno));
|
|
// Can happen for last reference in file.
|
|
if (start[len - 1] != '\n')
|
|
putchar('\n');
|
|
putchar('\n');
|
|
}
|
|
fflush(stdout);
|
|
if (interactive) {
|
|
fprintf(stderr, "%d found\n", count);
|
|
fflush(stderr);
|
|
}
|
|
}
|
|
if (interactive)
|
|
putc('\n', stderr);
|
|
return 0;
|
|
}
|
|
|