2007-11-12 15:21:41 +01:00
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/* $Id: cmd.c,v 1.26 2007-11-12 14:21:40 nicm Exp $ */
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2007-10-03 12:18:32 +02:00
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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2007-10-03 23:31:07 +02:00
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#include <getopt.h>
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2007-10-03 13:26:34 +02:00
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#include <string.h>
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2007-10-03 12:18:32 +02:00
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#include "tmux.h"
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2007-10-03 23:31:07 +02:00
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const struct cmd_entry *cmd_table[] = {
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2007-10-04 13:52:03 +02:00
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&cmd_attach_session_entry,
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2007-10-04 11:30:53 +02:00
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&cmd_bind_key_entry,
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2007-10-03 23:31:07 +02:00
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&cmd_detach_session_entry,
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2007-10-25 19:44:25 +02:00
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&cmd_has_session_entry,
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2007-11-12 15:21:41 +01:00
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&cmd_kill_session_entry,
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2007-10-19 13:10:35 +02:00
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&cmd_kill_window_entry,
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2007-10-04 11:30:53 +02:00
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&cmd_last_window_entry,
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2007-10-26 15:03:59 +02:00
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&cmd_link_window_entry,
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2007-10-23 11:36:19 +02:00
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&cmd_list_clients_entry,
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2007-10-04 11:30:53 +02:00
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&cmd_list_keys_entry,
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2007-10-03 23:31:07 +02:00
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&cmd_list_sessions_entry,
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2007-10-04 13:23:17 +02:00
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&cmd_list_windows_entry,
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2007-10-03 23:31:07 +02:00
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&cmd_new_session_entry,
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2007-10-04 01:32:26 +02:00
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&cmd_new_window_entry,
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2007-10-04 11:30:53 +02:00
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&cmd_next_window_entry,
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&cmd_previous_window_entry,
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2007-10-19 11:21:26 +02:00
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&cmd_refresh_session_entry,
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2007-11-09 12:02:01 +01:00
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&cmd_rename_session_entry,
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2007-10-04 12:39:07 +02:00
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&cmd_rename_window_entry,
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2007-10-04 12:54:21 +02:00
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&cmd_select_window_entry,
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2007-10-12 15:03:58 +02:00
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&cmd_send_prefix_entry,
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&cmd_set_option_entry,
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2007-10-30 12:10:33 +01:00
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&cmd_swap_window_entry,
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2007-10-04 11:30:53 +02:00
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&cmd_unbind_key_entry,
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2007-10-26 18:57:32 +02:00
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&cmd_unlink_window_entry,
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2007-10-03 23:31:07 +02:00
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NULL
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2007-10-03 13:26:34 +02:00
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};
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2007-10-03 23:31:07 +02:00
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struct cmd *
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cmd_parse(int argc, char **argv, char **cause)
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2007-10-03 13:26:34 +02:00
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{
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2007-10-05 00:04:01 +02:00
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const struct cmd_entry **entryp, *entry;
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2007-10-03 23:31:07 +02:00
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struct cmd *cmd;
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int opt;
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*cause = NULL;
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if (argc == 0)
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return (NULL);
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entry = NULL;
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2007-10-05 00:04:01 +02:00
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for (entryp = cmd_table; *entryp != NULL; entryp++) {
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2007-10-12 15:51:44 +02:00
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if ((*entryp)->alias != NULL &&
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strcmp((*entryp)->alias, argv[0]) == 0) {
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2007-10-05 00:04:01 +02:00
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entry = *entryp;
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2007-10-03 13:26:34 +02:00
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break;
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}
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2007-10-03 23:31:07 +02:00
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2007-10-05 00:04:01 +02:00
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if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
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2007-10-03 23:31:07 +02:00
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continue;
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if (entry != NULL) {
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xasprintf(cause, "ambiguous command: %s", argv[0]);
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return (NULL);
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2007-10-03 13:26:34 +02:00
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}
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2007-10-05 00:04:01 +02:00
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entry = *entryp;
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2007-10-03 13:26:34 +02:00
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}
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2007-10-03 23:31:07 +02:00
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if (entry == NULL) {
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xasprintf(cause, "unknown command: %s", argv[0]);
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return (NULL);
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2007-10-03 14:34:16 +02:00
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}
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2007-10-03 13:26:34 +02:00
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2007-10-03 23:31:07 +02:00
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optind = 1;
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if (entry->parse == NULL) {
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while ((opt = getopt(argc, argv, "")) != EOF) {
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switch (opt) {
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default:
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goto usage;
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}
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2007-10-03 13:26:34 +02:00
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}
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2007-10-03 23:31:07 +02:00
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argc -= optind;
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argv += optind;
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if (argc != 0)
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goto usage;
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2007-10-03 13:26:34 +02:00
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}
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2007-10-03 23:31:07 +02:00
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cmd = xmalloc(sizeof *cmd);
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cmd->entry = entry;
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if (entry->parse != NULL) {
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if (entry->parse(&cmd->data, argc, argv, cause) != 0) {
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xfree(cmd);
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return (NULL);
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}
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}
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return (cmd);
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2007-10-03 13:26:34 +02:00
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2007-10-03 23:31:07 +02:00
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usage:
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2007-10-04 23:48:11 +02:00
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usage(cause, "%s %s", entry->name, entry->usage);
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2007-10-03 23:31:07 +02:00
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return (NULL);
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2007-10-03 13:26:34 +02:00
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}
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2007-10-03 12:18:32 +02:00
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void
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2007-10-03 23:31:07 +02:00
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cmd_exec(struct cmd *cmd, struct cmd_ctx *ctx)
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2007-10-03 12:18:32 +02:00
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{
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2007-10-30 11:59:43 +01:00
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cmd->entry->exec(cmd->data, ctx);
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2007-10-03 12:18:32 +02:00
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}
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void
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2007-10-03 23:31:07 +02:00
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cmd_send(struct cmd *cmd, struct buffer *b)
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2007-10-03 12:18:32 +02:00
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{
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2007-10-05 00:04:01 +02:00
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const struct cmd_entry **entryp;
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u_int n;
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2007-10-03 12:18:32 +02:00
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2007-10-05 00:04:01 +02:00
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n = 0;
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for (entryp = cmd_table; *entryp != NULL; entryp++) {
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if (*entryp == cmd->entry)
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break;
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n++;
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}
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if (*entryp == NULL)
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fatalx("command not found");
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buffer_write(b, &n, sizeof n);
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if (cmd->entry->send != NULL)
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cmd->entry->send(cmd->data, b);
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2007-10-03 12:18:32 +02:00
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}
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2007-10-03 23:31:07 +02:00
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struct cmd *
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cmd_recv(struct buffer *b)
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2007-10-03 12:18:32 +02:00
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{
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2007-10-05 00:04:01 +02:00
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const struct cmd_entry **entryp;
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2007-10-03 23:31:07 +02:00
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struct cmd *cmd;
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2007-10-05 00:04:01 +02:00
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u_int m, n;
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2007-10-03 23:31:07 +02:00
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2007-10-05 00:04:01 +02:00
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buffer_read(b, &m, sizeof m);
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2007-10-03 23:31:07 +02:00
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2007-10-05 00:04:01 +02:00
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n = 0;
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for (entryp = cmd_table; *entryp != NULL; entryp++) {
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if (n == m)
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2007-10-03 23:31:07 +02:00
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break;
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2007-10-05 00:04:01 +02:00
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n++;
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2007-10-03 23:31:07 +02:00
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}
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2007-10-05 00:04:01 +02:00
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if (*entryp == NULL)
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fatalx("command not found");
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2007-10-03 12:18:32 +02:00
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2007-10-03 23:31:07 +02:00
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cmd = xmalloc(sizeof *cmd);
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2007-10-05 00:04:01 +02:00
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cmd->entry = *entryp;
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2007-10-03 12:18:32 +02:00
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2007-10-03 23:31:07 +02:00
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if (cmd->entry->recv != NULL)
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cmd->entry->recv(&cmd->data, b);
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return (cmd);
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2007-10-03 12:18:32 +02:00
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}
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void
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2007-10-03 23:31:07 +02:00
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cmd_free(struct cmd *cmd)
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2007-10-03 12:18:32 +02:00
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{
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2007-10-04 11:30:53 +02:00
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if (cmd->data != NULL && cmd->entry->free != NULL)
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2007-10-03 23:31:07 +02:00
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cmd->entry->free(cmd->data);
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xfree(cmd);
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2007-10-03 12:18:32 +02:00
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}
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void
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2007-10-03 23:31:07 +02:00
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cmd_send_string(struct buffer *b, const char *s)
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2007-10-03 12:18:32 +02:00
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{
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2007-10-03 23:31:07 +02:00
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size_t n;
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if (s == NULL) {
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n = 0;
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buffer_write(b, &n, sizeof n);
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return;
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}
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2007-10-03 12:18:32 +02:00
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2007-10-03 23:31:07 +02:00
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n = strlen(s) + 1;
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buffer_write(b, &n, sizeof n);
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2007-10-03 12:18:32 +02:00
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2007-10-03 23:31:07 +02:00
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buffer_write(b, s, n);
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2007-10-03 12:18:32 +02:00
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}
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2007-10-03 23:31:07 +02:00
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char *
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cmd_recv_string(struct buffer *b)
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2007-10-03 12:18:32 +02:00
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{
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2007-10-03 23:31:07 +02:00
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char *s;
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size_t n;
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2007-10-03 12:18:32 +02:00
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2007-10-03 23:31:07 +02:00
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buffer_read(b, &n, sizeof n);
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2007-10-03 12:18:32 +02:00
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2007-10-03 23:31:07 +02:00
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if (n == 0)
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return (NULL);
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s = xmalloc(n);
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buffer_read(b, s, n);
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s[n - 1] = '\0';
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2007-10-03 12:18:32 +02:00
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2007-10-03 23:31:07 +02:00
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return (s);
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2007-10-03 12:18:32 +02:00
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}
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