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/*
* descriptions_store.c: store man page descriptions in database
*
* Copyright (C) 2002, 2003, 2006, 2007, 2008, 2011 Colin Watson.
*
* This file is part of man-db.
*
* man-db 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 of the License, or
* (at your option) any later version.
*
* man-db 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 man-db; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "gettext.h"
#define _(String) gettext (String)
#include "manconfig.h"
#include "error.h"
#include "db_storage.h"
#include "filenames.h"
#include "ult_src.h"
#include "descriptions.h"
static void gripe_bad_store (const char *name, const char *ext)
{
if (quiet < 2)
error (0, 0, _("warning: failed to store entry for %s(%s)"),
name, ext);
}
/* Is PATH a prefix of DIR, such that DIR is in the manual hierarchy PATH?
* This requires that the part of DIR following PATH start with "/man".
*/
static int is_prefix (const char *path, const char *dir)
{
return (STRNEQ (dir, path, strlen (path)) &&
STRNEQ (dir + strlen (path), "/man", 4));
}
/* Take a list of descriptions returned by parse_descriptions() and store
* it into the database.
*/
void store_descriptions (MYDBM_FILE dbf, const struct page_description *head,
struct mandata *info,
const char *path, const char *base,
struct ult_trace *trace)
{
const struct page_description *desc;
char save_id = info->id;
size_t i;
if (trace) {
for (i = 0; i < trace->len; ++i)
debug ("trace->names[%zu] = '%s'\n",
i, trace->names[i]);
}
for (desc = head; desc; desc = desc->next) {
/* Either it's the real thing or merely a reference. Get the
* id and pointer right in either case.
*/
int found_real_page = 0;
int found_external = 0;
if (STREQ (base, desc->name)) {
info->id = save_id;
info->pointer = NULL;
info->whatis = desc->whatis;
found_real_page = 1;
} else if (trace) {
for (i = 0; i < trace->len; ++i) {
struct mandata trace_info;
char *buf;
buf = filename_info (trace->names[i],
&trace_info, "");
if (trace_info.name &&
STREQ (trace_info.name, desc->name)) {
if (path && !is_prefix (path, buf)) {
/* Link outside this manual
* hierarchy; skip this
* description.
*/
found_external = 1;
free (trace_info.name);
free (buf);
break;
}
if (i == trace->len - 1 &&
save_id == SO_MAN)
info->id = ULT_MAN;
else
info->id = save_id;
info->pointer = NULL;
info->whatis = desc->whatis;
found_real_page = 1;
}
free (trace_info.name);
free (buf);
}
}
if (found_external) {
debug ("skipping '%s'; link outside manual "
"hierarchy\n", desc->name);
continue;
}
if (!found_real_page) {
if (save_id < STRAY_CAT)
info->id = WHATIS_MAN;
else
info->id = WHATIS_CAT;
info->pointer = xstrdup (base);
/* Don't waste space storing the whatis in the db
* more than once.
*/
info->whatis = NULL;
}
debug ("name = '%s', id = %c\n", desc->name, info->id);
if (dbstore (dbf, info, desc->name) > 0) {
gripe_bad_store (base, info->ext);
break;
}
}
}
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