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Diffstat (limited to 'src/utils/lkbib/lkbib.cpp')
| -rw-r--r-- | src/utils/lkbib/lkbib.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/utils/lkbib/lkbib.cpp b/src/utils/lkbib/lkbib.cpp new file mode 100644 index 0000000..946bd7d --- /dev/null +++ b/src/utils/lkbib/lkbib.cpp @@ -0,0 +1,144 @@ +/* Copyright (C) 1989-2020 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 "lib.h" + +#include <assert.h> +#include <errno.h> +#include <stdlib.h> + +#include "errarg.h" +#include "error.h" + +#include "defs.h" +#include "refid.h" +#include "search.h" + +extern "C" const char *Version_string; + +static void usage(FILE *stream) +{ + fprintf(stream, + "usage: %s [-n] [-p database] [-i XYZ] [-t N] key ...\n" + "usage: %s {-v | --version}\n" + "usage: %s --help\n", + program_name, program_name, program_name); +} + +int main(int argc, char **argv) +{ + program_name = argv[0]; + static char stderr_buf[BUFSIZ]; + setbuf(stderr, stderr_buf); + int search_default = 1; + search_list list; + int opt; + static const struct option long_options[] = { + { "help", no_argument, 0, CHAR_MAX + 1 }, + { "version", no_argument, 0, 'v' }, + { NULL, 0, 0, 0 } + }; + while ((opt = getopt_long(argc, argv, "nvVi:t:p:", long_options, NULL)) + != EOF) + switch (opt) { + case 'V': + do_verify = true; + break; + case 'n': + search_default = 0; + 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': + { + printf("GNU lkbib (groff) version %s\n", Version_string); + exit(0); + break; + } + case 'p': + list.add_file(optarg); + break; + case CHAR_MAX + 1: // --help + usage(stdout); + exit(0); + break; + case '?': + usage(stderr); + exit(1); + break; + default: + assert(0); + } + if (optind >= argc) { + usage(stderr); + exit(1); + } + char *filename = getenv("REFER"); + if (filename) + list.add_file(filename); + else if (search_default) + list.add_file(DEFAULT_INDEX, 1); + if (list.nfiles() == 0) + fatal("no databases"); + int total_len = 0; + int i; + for (i = optind; i < argc; i++) + total_len += strlen(argv[i]); + total_len += argc - optind - 1 + 1; // for spaces and '\0' + char *buffer = new char[total_len]; + char *ptr = buffer; + for (i = optind; i < argc; i++) { + if (i > optind) + *ptr++ = ' '; + strcpy(ptr, argv[i]); + ptr = strchr(ptr, '\0'); + } + search_list_iterator iter(&list, buffer); + const char *start; + int len; + int count; + for (count = 0; iter.next(&start, &len); count++) { + if (fwrite(start, 1, len, stdout) != (size_t)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'); + } + return !count; +} + +// Local Variables: +// fill-column: 72 +// mode: C++ +// End: +// vim: set cindent noexpandtab shiftwidth=2 textwidth=72: |