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Diffstat (limited to 'src/descriptions_store.c')
| -rw-r--r-- | src/descriptions_store.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/descriptions_store.c b/src/descriptions_store.c new file mode 100644 index 0000000..c473aee --- /dev/null +++ b/src/descriptions_store.c @@ -0,0 +1,148 @@ +/* + * 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; + } + } +} |