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Diffstat (limited to 'src/manconv_main.c')
| -rw-r--r-- | src/manconv_main.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/manconv_main.c b/src/manconv_main.c new file mode 100644 index 0000000..75c08ab --- /dev/null +++ b/src/manconv_main.c @@ -0,0 +1,182 @@ +/* + * 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 <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "argp.h" +#include "progname.h" + +#include "gettext.h" +#define _(String) gettext (String) +#define N_(String) gettext_noop (String) + +#include "manconfig.h" + +#include "cleanup.h" +#include "error.h" +#include "pipeline.h" +#include "decompress.h" +#include "sandbox.h" + +#include "manconv.h" + +int quiet = 0; +man_sandbox *sandbox; + +static const char *from_codes; +static char *to_code; +static char **from_code; +static const char *filename; + +static char **split_codes (const char *codestr) +{ + char *codestrtok = xstrdup (codestr); + char *codestrtok_ptr = codestrtok; + char *tok; + size_t codearray_cur = 0, codearray_alloc = 0; + char **codearray = NULL; + + for (tok = strsep (&codestrtok_ptr, ":"); tok; + tok = strsep (&codestrtok_ptr, ":")) { + if (!*tok) + continue; /* ignore empty fields */ + if (codearray_cur >= codearray_alloc) + codearray = x2nrealloc + (codearray, + &codearray_alloc, sizeof *codearray); + codearray[codearray_cur++] = xstrdup (tok); + } + + if (codearray_cur >= codearray_alloc) + codearray = x2nrealloc (codearray, + &codearray_alloc, sizeof *codearray); + codearray[codearray_cur] = NULL; + + free (codestrtok); + + return codearray; +} + +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[] = { + { "from-code", 'f', N_("CODE[:...]"), + 0, N_("possible encodings of original text") }, + { "to-code", 't', N_("CODE"), 0, N_("encoding for output") }, + { "debug", 'd', 0, 0, N_("emit debugging messages") }, + { "quiet", 'q', 0, 0, N_("produce fewer warnings") }, + { 0, 'h', 0, OPTION_HIDDEN, 0 }, /* compatibility for --help */ + { 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 = 1; + 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 (!from_codes) + argp_error (state, + _("must specify an input " + "encoding")); + if (!to_code) + argp_error (state, + _("must specify an output " + "encoding")); + from_code = split_codes (from_codes); + if (!from_code || !*from_code) + argp_error (state, + _("must specify an input " + "encoding")); + return 0; + } + return ARGP_ERR_UNKNOWN; +} + +static struct argp argp = { options, parse_opt, args_doc }; + +int main (int argc, char *argv[]) +{ + pipeline *p; + char **try_from_code; + + 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); + + if (filename) { + p = decompress_open (filename); + if (!p) + error (FAIL, 0, _("can't open %s"), filename); + } else + p = decompress_fdopen (dup (STDIN_FILENO)); + pipeline_start (p); + + manconv (p, from_code, to_code); + + for (try_from_code = from_code; *try_from_code; ++try_from_code) + free (*try_from_code); + free (to_code); + free (from_code); + + pipeline_wait (p); + + return 0; +} |