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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:19:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:19:27 +0000
commite0023883c6d2e6745a19e4b48e186ed156c1fca8 (patch)
tree1a48b8056ec984385d0d862b683535d04d6ed215 /src/manconv_main.c
parentInitial commit. (diff)
downloadman-db-e0023883c6d2e6745a19e4b48e186ed156c1fca8.tar.xz
man-db-e0023883c6d2e6745a19e4b48e186ed156c1fca8.zip
Adding upstream version 2.11.2.upstream/2.11.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/manconv_main.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/src/manconv_main.c b/src/manconv_main.c
new file mode 100644
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--- /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;
+}