version 1.9, 2011/11/09 10:53:48 |
version 1.30, 2012/03/24 02:18:51 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <sys/param.h> |
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#include <assert.h> |
#include <assert.h> |
#include <getopt.h> |
#include <getopt.h> |
#include <limits.h> |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <unistd.h> |
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#include "apropos.h" |
#include "apropos_db.h" |
#include "mandoc.h" |
#include "mandoc.h" |
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#include "manpath.h" |
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struct type { |
#define SINGLETON(_res, _sz) \ |
int mask; |
((_sz) && (_res)[0].matched && \ |
const char *name; /* command-line type name */ |
(1 == (_sz) || 0 == (_res)[1].matched)) |
}; |
#define EMPTYSET(_res, _sz) \ |
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((0 == (_sz)) || 0 == (_res)[0].matched) |
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static const struct type types[] = { |
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{ TYPE_NAME, "name" }, |
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{ TYPE_FUNCTION, "func" }, |
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{ TYPE_UTILITY, "utility" }, |
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{ TYPE_INCLUDES, "incl" }, |
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{ TYPE_VARIABLE, "var" }, |
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{ TYPE_STANDARD, "stand" }, |
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{ TYPE_AUTHOR, "auth" }, |
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{ TYPE_CONFIG, "conf" }, |
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{ TYPE_DESC, "desc" }, |
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{ TYPE_XREF, "xref" }, |
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{ TYPE_PATH, "path" }, |
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{ TYPE_ENV, "env" }, |
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{ TYPE_ERR, "err" }, |
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{ INT_MAX, "all" }, |
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{ 0, NULL } |
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}; |
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static int cmp(const void *, const void *); |
static int cmp(const void *, const void *); |
static void list(struct rec *, size_t, void *); |
static void list(struct res *, size_t, void *); |
static void usage(void); |
static void usage(void); |
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static char *progname; |
static char *progname; |
Line 56 static char *progname; |
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Line 46 static char *progname; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
int ch, i; |
int ch, rc, whatis, usecat; |
char *q, *v; |
struct res *res; |
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struct manpaths paths; |
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const char *prog; |
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pid_t pid; |
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char path[PATH_MAX]; |
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int fds[2]; |
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size_t terms, ressz, sz; |
struct opts opts; |
struct opts opts; |
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struct expr *e; |
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char *defpaths, *auxpaths, *conf_file, *cp; |
extern int optind; |
extern int optind; |
extern char *optarg; |
extern char *optarg; |
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memset(&opts, 0, sizeof(struct opts)); |
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q = NULL; |
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progname = strrchr(argv[0], '/'); |
progname = strrchr(argv[0], '/'); |
if (progname == NULL) |
if (progname == NULL) |
progname = argv[0]; |
progname = argv[0]; |
else |
else |
++progname; |
++progname; |
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while (-1 != (ch = getopt(argc, argv, "S:s:It:"))) |
whatis = 0 == strncmp(progname, "whatis", 6); |
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memset(&paths, 0, sizeof(struct manpaths)); |
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memset(&opts, 0, sizeof(struct opts)); |
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usecat = 0; |
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ressz = 0; |
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res = NULL; |
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auxpaths = defpaths = NULL; |
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conf_file = NULL; |
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e = NULL; |
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path[0] = '\0'; |
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while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:"))) |
switch (ch) { |
switch (ch) { |
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case ('C'): |
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conf_file = optarg; |
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break; |
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case ('M'): |
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defpaths = optarg; |
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break; |
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case ('m'): |
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auxpaths = optarg; |
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break; |
case ('S'): |
case ('S'): |
opts.arch = optarg; |
opts.arch = optarg; |
break; |
break; |
case ('s'): |
case ('s'): |
opts.cat = optarg; |
opts.cat = optarg; |
break; |
break; |
case ('I'): |
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opts.flags |= OPTS_INSENS; |
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break; |
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case ('t'): |
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while (NULL != (v = strsep(&optarg, ","))) { |
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if ('\0' == *v) |
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continue; |
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for (i = 0; types[i].mask; i++) { |
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if (strcmp(types[i].name, v)) |
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continue; |
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break; |
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} |
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if (0 == types[i].mask) |
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break; |
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opts.types |= types[i].mask; |
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} |
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if (NULL == v) |
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break; |
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fprintf(stderr, "%s: Bad type\n", v); |
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return(EXIT_FAILURE); |
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default: |
default: |
usage(); |
usage(); |
return(EXIT_FAILURE); |
return(EXIT_FAILURE); |
Line 109 main(int argc, char *argv[]) |
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Line 104 main(int argc, char *argv[]) |
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argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
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if (0 == argc || '\0' == **argv) { |
if (0 == argc) |
usage(); |
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return(EXIT_SUCCESS); |
return(EXIT_SUCCESS); |
} else |
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q = *argv; |
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if (0 == opts.types) |
rc = 0; |
opts.types = TYPE_NAME | TYPE_DESC; |
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/* |
manpath_parse(&paths, conf_file, defpaths, auxpaths); |
* Configure databases. |
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* The keyword database is a btree that allows for duplicate |
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* entries. |
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* The index database is a recno. |
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*/ |
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apropos_search(&opts, q, NULL, list); |
e = whatis ? termcomp(argc, argv, &terms) : |
return(EXIT_SUCCESS); |
exprcomp(argc, argv, &terms); |
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if (NULL == e) { |
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fprintf(stderr, "%s: Bad expression\n", progname); |
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goto out; |
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} |
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rc = apropos_search |
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(paths.sz, paths.paths, &opts, |
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e, terms, NULL, &ressz, &res, list); |
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terms = 1; |
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if (0 == rc) { |
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fprintf(stderr, "%s: Bad database\n", progname); |
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goto out; |
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} else if ( ! isatty(STDOUT_FILENO) || EMPTYSET(res, ressz)) |
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goto out; |
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if ( ! SINGLETON(res, ressz)) { |
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printf("Which manpage would you like [1]? "); |
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fflush(stdout); |
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if (NULL != (cp = fgetln(stdin, &sz)) && |
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sz > 1 && '\n' == cp[--sz]) { |
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if ((ch = atoi(cp)) <= 0) |
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goto out; |
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terms = (size_t)ch; |
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} |
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} |
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if (--terms < ressz && res[terms].matched) { |
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chdir(paths.paths[res[terms].volume]); |
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strlcpy(path, res[terms].file, PATH_MAX); |
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usecat = RESTYPE_CAT == res[terms].type; |
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} |
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out: |
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manpath_free(&paths); |
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resfree(res, ressz); |
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exprfree(e); |
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if ('\0' == path[0]) |
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return(rc ? EXIT_SUCCESS : EXIT_FAILURE); |
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if (-1 == pipe(fds)) { |
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perror(NULL); |
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exit(EXIT_FAILURE); |
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} |
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if (-1 == (pid = fork())) { |
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perror(NULL); |
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exit(EXIT_FAILURE); |
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} else if (pid > 0) { |
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dup2(fds[0], STDIN_FILENO); |
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close(fds[1]); |
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prog = NULL != getenv("MANPAGER") ? |
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getenv("MANPAGER") : |
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(NULL != getenv("PAGER") ? |
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getenv("PAGER") : "more"); |
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execlp(prog, prog, (char *)NULL); |
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perror(prog); |
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return(EXIT_FAILURE); |
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} |
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dup2(fds[1], STDOUT_FILENO); |
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close(fds[0]); |
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prog = usecat ? "cat" : "mandoc"; |
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execlp(prog, prog, path, (char *)NULL); |
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perror(prog); |
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return(EXIT_FAILURE); |
} |
} |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static void |
static void |
list(struct rec *res, size_t sz, void *arg) |
list(struct res *res, size_t sz, void *arg) |
{ |
{ |
int i; |
size_t i; |
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qsort(res, sz, sizeof(struct rec), cmp); |
qsort(res, sz, sizeof(struct res), cmp); |
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for (i = 0; i < (int)sz; i++) |
if (EMPTYSET(res, sz) || SINGLETON(res, sz)) |
printf("%s(%s%s%s) - %s\n", res[i].title, |
return; |
res[i].cat, |
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*res[i].arch ? "/" : "", |
if ( ! isatty(STDOUT_FILENO)) |
*res[i].arch ? res[i].arch : "", |
for (i = 0; i < sz && res[i].matched; i++) |
res[i].desc); |
printf("%s(%s%s%s) - %.70s\n", |
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res[i].title, res[i].cat, |
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*res[i].arch ? "/" : "", |
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*res[i].arch ? res[i].arch : "", |
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res[i].desc); |
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else |
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for (i = 0; i < sz && res[i].matched; i++) |
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printf("[%zu] %s(%s%s%s) - %.70s\n", i + 1, |
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res[i].title, res[i].cat, |
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*res[i].arch ? "/" : "", |
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*res[i].arch ? res[i].arch : "", |
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res[i].desc); |
} |
} |
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static int |
static int |
cmp(const void *p1, const void *p2) |
cmp(const void *p1, const void *p2) |
{ |
{ |
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const struct res *r1 = p1; |
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const struct res *r2 = p2; |
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return(strcmp(((const struct rec *)p1)->title, |
if (0 == r1->matched) |
((const struct rec *)p2)->title)); |
return(1); |
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else if (0 == r2->matched) |
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return(1); |
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return(strcasecmp(r1->title, r2->title)); |
} |
} |
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static void |
static void |
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{ |
{ |
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fprintf(stderr, "usage: %s " |
fprintf(stderr, "usage: %s " |
"[-I] " |
"[-C file] " |
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"[-M manpath] " |
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"[-m manpath] " |
"[-S arch] " |
"[-S arch] " |
"[-s section] " |
"[-s section] " |
"[-t type[,...]] " |
"expression ...\n", |
"key\n", progname); |
progname); |
} |
} |