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/* info.c -- Display nodes of Info files in multiple windows.
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$Id: info.c,v 1.20 2007/09/01 00:05:23 karl Exp $
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$Id: info.c,v 1.33 2008/08/14 17:36:13 karl Exp $
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Copyright (C) 1993, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2007 Free Software Foundation, Inc.
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2004, 2005, 2007, 2008 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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/* Array of the names of nodes that the user specified with "--node" on the
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static char **user_nodenames = (char **)NULL;
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static char **user_nodenames = NULL;
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static int user_nodenames_index = 0;
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static int user_nodenames_slots = 0;
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/* String specifying the first file to load. This string can only be set
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by the user specifying "--file" on the command line. */
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static char *user_filename = (char *)NULL;
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static char *user_filename = NULL;
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/* String specifying the name of the file to dump nodes to. This value is
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filled if the user speficies "--output" on the command line. */
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static char *user_output_filename = (char *)NULL;
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static char *user_output_filename = NULL;
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/* Non-zero indicates that when "--output" is specified, all of the menu
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items of the specified nodes (and their subnodes as well) should be
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/* Structure describing the options that Info accepts. We pass this structure
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to getopt_long (). If you add or otherwise change this structure, you must
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also change the string which follows it. */
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#define APROPOS_OPTION 1
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#define DRIBBLE_OPTION 2
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#define RESTORE_OPTION 3
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#define IDXSRCH_OPTION 4
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static struct option long_options[] = {
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{ "apropos", 1, 0, APROPOS_OPTION },
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{ "apropos", 1, 0, 'k' },
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{ "directory", 1, 0, 'd' },
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{ "dribble", 1, 0, DRIBBLE_OPTION },
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{ "file", 1, 0, 'f' },
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{ "output", 1, 0, 'o' },
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{ "raw-escapes", 0, &raw_escapes_p, 1 },
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{ "no-raw-escapes", 0, &raw_escapes_p, 0 },
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{ "show-malformed-multibytes", 0, &show_malformed_multibyte_p, 1 },
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{ "no-show-malformed-multibytes", 0, &show_malformed_multibyte_p, 0 },
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{ "restore", 1, 0, RESTORE_OPTION },
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{ "show-options", 0, 0, 'O' },
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{ "subnodes", 0, &dump_subnodes, 1 },
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#ifdef HAVE_SETLOCALE
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/* Set locale via LC_ALL. */
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setlocale (LC_ALL, "");
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/* But don't use translated messages in the case when
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string width and length can differ */
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setenv("LANGUAGE", "C", 1);
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setenv("LANG", "C", 1);
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setlocale (LC_MESSAGES, "C");
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setenv("LC_CTYPE", "C", 1);
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setenv("LC_ALL", "C", 1);
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#endif /* HAVE_SETLOCALE */
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#ifdef ENABLE_NLS
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const char *errstr;
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char *errarg1, *errarg2;
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NODE *new_initial_node = info_follow_menus (initial_node, argv + optind,
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NODE *new_initial_node;
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/* If they say info -O info, we want to show them the invocation node
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for standalone info; there's nothing useful in info.texi. */
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if (goto_invocation_p && argv[optind]
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&& mbscasecmp (argv[optind], "info") == 0)
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argv[optind] = "info-stnd";
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new_initial_node = info_follow_menus (initial_node, argv + optind,
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&errstr, &errarg1, &errarg2);
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if (new_initial_node && new_initial_node != initial_node)
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dump_node_to_file (initial_node, user_output_filename,
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info_error ((char *) errstr, errarg1, errarg2);
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info_error (errstr, errarg1, errarg2);
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begin_info_session_with_error (initial_node, (char *) errstr,
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begin_info_session_with_error (initial_node, errstr,
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errarg1, errarg2);
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/* If the user specified `--index-search=STRING' or
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--show-options, start the info session in the node
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then the message is printed in the echo area. Otherwise, a message is
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output to stderr. */
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info_error (char *format, void *arg1, void *arg2)
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info_error (const char *format, void *arg1, void *arg2)
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info_error_was_printed = 1;
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if (!info_windows_initialized_p || display_inhibited)
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fprintf (stderr, "%s: ", program_name);
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fprintf (stderr, format, arg1, arg2);
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fprintf (stderr, format, arg1, arg2);
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/* If we're passed a string, just print it. Otherwise a % in a
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filename gets treated as a format specifier. */
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fputs (format, stderr);
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fprintf (stderr, "\n");
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info_short_help (void)
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static const char speech_friendly_string[] = N_("\
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-b, --speech-friendly be friendly to speech synthesizers.\n");
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static const char speech_friendly_string[] = "";
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Usage: %s [OPTION]... [MENU-ITEM...]\n\
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Read documentation in Info format.\n\
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Read documentation in Info format.\n"), program_name);
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--apropos=STRING look up STRING in all indices of all manuals.\n\
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-k, --apropos=STRING look up STRING in all indices of all manuals.\n\
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-d, --directory=DIR add DIR to INFOPATH.\n\
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--dribble=FILENAME remember user keystrokes in FILENAME.\n\
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-f, --file=FILENAME specify Info file to visit.\n\
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-f, --file=FILENAME specify Info file to visit."));
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-h, --help display this help and exit.\n\
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--index-search=STRING go to node pointed by index entry STRING.\n\
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-n, --node=NODENAME specify nodes in first visited Info file.\n\
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-o, --output=FILENAME output selected nodes to FILENAME.\n\
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-o, --output=FILENAME output selected nodes to FILENAME."));
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-R, --raw-escapes output \"raw\" ANSI escapes (default).\n\
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--no-raw-escapes output escapes as literal text.\n\
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--restore=FILENAME read initial keystrokes from FILENAME.\n\
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-O, --show-options, --usage go to command-line options node.\n%s\
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-O, --show-options, --usage go to command-line options node."));
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-b, --speech-friendly be friendly to speech synthesizers."));
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--subnodes recursively output menu items.\n\
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-w, --where, --location print physical location of Info file.\n\
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--vi-keys use vi-like and less-like key bindings.\n\
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--version display version information and exit.\n\
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-w, --where, --location print physical location of Info file."));
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The first non-option argument, if present, is the menu entry to start from;\n\
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it is searched for in all `dir' files along INFOPATH.\n\
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If it is not present, info merges all `dir' files and shows the result.\n\
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Any remaining arguments are treated as the names of menu\n\
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items relative to the initial node visited.\n\
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items relative to the initial node visited."));
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For a summary of key bindings, type h within Info."));
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info show top-level dir menu\n\
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info info show the general manual for Info readers\n\
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info info-stnd show the manual specific to this Info program\n\
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info emacs start at emacs node from top-level dir\n\
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info emacs buffers start at buffers node within emacs manual\n\
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info --show-options emacs start at node with emacs' command line options\n\
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info --subnodes -o out.txt emacs dump entire manual to out.txt\n\
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info -f ./foo.info show file ./foo.info, not searching dir\n\
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program_name, speech_friendly_string);
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info -f ./foo.info show file ./foo.info, not searching dir"));
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Email bug reports to bug-texinfo@gnu.org,\n\
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info/info.c
