Adding upstream version 2.12.0.upstream/2.12.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 209 insertions, 0 deletions

diff --git a/src/manconv_main.c b/src/manconv_main.c
new file mode 100644
index 0000000..e0d9972
--- /dev/null
+++ b/src/manconv_main.c
@@ -0,0 +1,209 @@
+/*
+ * manconv_main.c: convert manual page from one encoding to another
+ *
+ * Copyright (C) 2007, 2008 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 <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "argp.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_xlist.h"
+#include "progname.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "cleanup.h"
+#include "debug.h"
+#include "encodings.h"
+#include "pipeline.h"
+#include "glcontainers.h"
+#include "sandbox.h"
+#include "util.h"
+
+#include "decompress.h"
+#include "manconv.h"
+
+int quiet = 0;
+man_sandbox *sandbox;
+
+static const char *from_codes;
+static char *to_code;
+static gl_list_t from_code;
+static const char *filename;
+
+static gl_list_t split_codes (const char *codestr)
+{
+	char *codestrtok, *codestrtok_ptr;
+	char *tok;
+	gl_list_t codelist = new_string_list (GL_ARRAY_LIST, true);
+
+	if (!codestr)
+		return codelist;
+
+	codestrtok = xstrdup (codestr);
+	codestrtok_ptr = codestrtok;
+
+	for (tok = strsep (&codestrtok_ptr, ":"); tok;
+	     tok = strsep (&codestrtok_ptr, ":")) {
+		if (!*tok)
+			continue;	/* ignore empty fields */
+		gl_list_add_last (codelist, xstrdup (tok));
+	}
+
+	free (codestrtok);
+
+	return codelist;
+}
+
+const char *argp_program_version = "manconv " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("[-f CODE[:...]] -t CODE [FILENAME]");
+
+static struct argp_option options[] = {
+	OPT ("from-code", 'f', N_("CODE[:...]"),
+	     N_("possible encodings of original text")),
+	OPT ("to-code", 't', N_("CODE"), N_("encoding for output")),
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("quiet", 'q', 0, N_("produce fewer warnings")),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 'f':
+			from_codes = arg;
+			return 0;
+		case 't':
+			to_code = xstrdup (arg);
+			if (!strstr (to_code, "//"))
+				to_code = appendstr (to_code, "//TRANSLIT",
+						     (void *) 0);
+			return 0;
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'q':
+			quiet = 1;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_ARG:
+			if (filename)
+				argp_usage (state);
+			filename = arg;
+			return 0;
+		case ARGP_KEY_SUCCESS:
+			if (!to_code)
+				argp_error (state,
+					    _("must specify an output "
+					      "encoding"));
+			from_code = split_codes (from_codes);
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt, args_doc };
+
+int main (int argc, char *argv[])
+{
+	decompress *decomp;
+
+	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);
+	assert (from_code);
+
+	if (filename) {
+		decomp = decompress_open (filename, 0);
+		if (!decomp)
+			error (FAIL, 0, _("can't open %s"), filename);
+	} else
+		decomp = decompress_fdopen (dup (STDIN_FILENO));
+	decompress_start (decomp);
+
+	if (!gl_list_size (from_code)) {
+		char *lang, *page_encoding;
+
+		/* Note that we don't need to explicitly check the page's
+		 * preprocessor encoding here, as the manconv function will
+		 * do that itself and override the requested input encoding
+		 * with it if it finds one.
+		 */
+		lang = lang_dir (filename);
+		page_encoding = get_page_encoding (lang);
+		if (STREQ (page_encoding, "UTF-8")) {
+			/* Steal memory. */
+			gl_list_add_last (from_code, page_encoding);
+			debug ("guessed input encoding %s for %s\n",
+			       page_encoding, filename);
+		} else {
+			gl_list_add_last (from_code, xstrdup ("UTF-8"));
+			/* Steal memory. */
+			gl_list_add_last (from_code, page_encoding);
+			debug ("guessed input encodings UTF-8:%s for %s\n",
+			       page_encoding, filename);
+		}
+
+		free (lang);
+	}
+
+	if (manconv (decomp, from_code, to_code, NULL) != 0)
+		/* manconv already wrote an error message to stderr.  Just
+		 * exit non-zero.
+		 */
+		exit (FATAL);
+
+	free (to_code);
+	gl_list_free (from_code);
+
+	decompress_wait (decomp);
+
+	sandbox_free (sandbox);
+
+	return 0;
+}