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-rw-r--r--src/lexgrog_test.c260
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diff --git a/src/lexgrog_test.c b/src/lexgrog_test.c
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+/*
+ * lexgrog_test.c: test whatis extraction from man/cat pages
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ * 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 <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <sys/stat.h>
+
+#include "argp.h"
+#include "attribute.h"
+#include "error.h"
+#include "gl_list.h"
+#include "progname.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "cleanup.h"
+#include "debug.h"
+#include "glcontainers.h"
+#include "pipeline.h"
+#include "sandbox.h"
+#include "security.h"
+#include "util.h"
+
+#include "convert.h"
+#include "descriptions.h"
+#include "lexgrog.h"
+#include "ult_src.h"
+
+int quiet = 1;
+man_sandbox *sandbox;
+
+static bool parse_man = false, parse_cat = false;
+static bool show_whatis = false, show_filters = false;
+static const char *encoding = NULL;
+static char **files;
+static int num_files;
+
+const char *argp_program_version = "lexgrog " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("FILE...");
+static const char doc[] = "\v" N_("The defaults are --man and --whatis.");
+
+static struct argp_option options[] = {
+ OPT ("debug", 'd', 0, N_("emit debugging messages")),
+ OPT ("man", 'm', 0, N_("parse as man page"), 1),
+ OPT ("cat", 'c', 0, N_("parse as cat page")),
+ OPT ("whatis", 'w', 0, N_("show whatis information"), 2),
+ OPT ("filters", 'f', 0,
+ N_("show guessed series of preprocessing filters")),
+ OPT ("encoding", 'E', N_("ENCODING"),
+ N_("use selected output encoding"), 3),
+ OPT_HELP_COMPAT,
+ { 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+ switch (key) {
+ case 'd':
+ debug_level = true;
+ return 0;
+ case 'm':
+ parse_man = true;
+ return 0;
+ case 'c':
+ parse_cat = true;
+ return 0;
+ case 'w':
+ show_whatis = true;
+ return 0;
+ case 'f':
+ show_filters = true;
+ return 0;
+ case 'E':
+ encoding = arg;
+ return 0;
+ case 'h':
+ argp_state_help (state, state->out_stream,
+ ARGP_HELP_STD_HELP &
+ ~ARGP_HELP_PRE_DOC);
+ break;
+ case ARGP_KEY_ARGS:
+ files = state->argv + state->next;
+ num_files = state->argc - state->next;
+ return 0;
+ case ARGP_KEY_NO_ARGS:
+ argp_usage (state);
+ break;
+ case ARGP_KEY_SUCCESS:
+ if (parse_man && parse_cat)
+ /* This slightly odd construction allows us
+ * to reuse a translation.
+ */
+ argp_error (state,
+ _("%s: incompatible options"),
+ "-m -c");
+ /* defaults: --man, --whatis */
+ if (!parse_man && !parse_cat)
+ parse_man = true;
+ if (!show_whatis && !show_filters)
+ show_whatis = true;
+ return 0;
+ }
+ return ARGP_ERR_UNKNOWN;
+}
+
+static char *help_filter (int key, const char *text, void *input MAYBE_UNUSED)
+{
+ switch (key) {
+ case ARGP_KEY_HELP_PRE_DOC:
+ /* We have no pre-options help text, but the input
+ * text may contain header junk due to gettext ("").
+ */
+ return NULL;
+ default:
+ return (char *) text;
+ }
+}
+
+static struct argp argp = { options, parse_opt, args_doc, doc, 0,
+ help_filter };
+
+int main (int argc, char **argv)
+{
+ int type = MANPAGE;
+ int i;
+ bool some_failed = false;
+
+ set_program_name (argv[0]);
+
+ init_debug ();
+ pipeline_install_post_fork (pop_all_cleanups);
+ sandbox = sandbox_init ();
+ init_locale ();
+
+ if (argp_parse (&argp, argc, argv, 0, 0, 0))
+ exit (FAIL);
+
+ /* We aren't setuid, but this allows generic code in lexgrog.l to
+ * use drop_effective_privs/regain_effective_privs.
+ */
+ init_security ();
+
+ if (parse_man)
+ type = MANPAGE;
+ else
+ type = CATPAGE;
+
+ for (i = 0; i < num_files; ++i) {
+ lexgrog lg;
+ const char *file = NULL;
+ bool found = false;
+
+ lg.type = type;
+
+ if (STREQ (files[i], "-"))
+ file = files[i];
+ else {
+ char *path, *pathend;
+ struct stat statbuf;
+ const struct ult_value *ult;
+
+ path = xstrdup (files[i]);
+ pathend = strrchr (path, '/');
+ if (pathend) {
+ *pathend = '\0';
+ pathend = strrchr (path, '/');
+ if (pathend && STRNEQ (pathend + 1, "man", 3))
+ *pathend = '\0';
+ else {
+ free (path);
+ path = NULL;
+ }
+ } else {
+ free (path);
+ path = NULL;
+ }
+
+ ult = ult_src (files[i], path ? path : ".",
+ &statbuf, SO_LINK);
+ if (ult)
+ file = ult->path;
+ free (path);
+ }
+
+ if (file && find_name (file, "-", &lg, encoding)) {
+ gl_list_t descs = parse_descriptions (NULL, lg.whatis);
+ const struct page_description *desc;
+ GL_LIST_FOREACH (descs, desc) {
+ if (!desc->name || !desc->whatis)
+ continue;
+ found = true;
+ printf ("%s", files[i]);
+ if (show_filters)
+ printf (" (%s)", lg.filters);
+ if (show_whatis) {
+ char *name_conv = convert_to_locale
+ (desc->name);
+ char *whatis_conv = convert_to_locale
+ (desc->whatis);
+ printf (": \"%s - %s\"",
+ name_conv, whatis_conv);
+ free (whatis_conv);
+ free (name_conv);
+ }
+ printf ("\n");
+ }
+ gl_list_free (descs);
+ free (lg.filters);
+ free (lg.whatis);
+ }
+
+ if (!found) {
+ printf ("%s: parse failed\n", files[i]);
+ some_failed = true;
+ }
+ }
+
+ sandbox_free (sandbox);
+
+ if (some_failed)
+ return FATAL;
+ else
+ return OK;
+}
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