/* $OpenBSD: cmd-list.c,v 1.5 2010/06/26 18:20:53 nicm Exp $ */ /* * Copyright (c) 2009 Nicholas Marriott * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include "tmux.h" struct cmd_list * cmd_list_parse(int argc, char **argv, char **cause) { struct cmd_list *cmdlist; struct cmd *cmd; int i, lastsplit; size_t arglen, new_argc; char **new_argv; cmdlist = xmalloc(sizeof *cmdlist); cmdlist->references = 1; TAILQ_INIT(&cmdlist->list); lastsplit = 0; for (i = 0; i < argc; i++) { arglen = strlen(argv[i]); if (arglen == 0 || argv[i][arglen - 1] != ';') continue; argv[i][arglen - 1] = '\0'; if (arglen > 1 && argv[i][arglen - 2] == '\\') { argv[i][arglen - 2] = ';'; continue; } new_argc = i - lastsplit; new_argv = argv + lastsplit; if (arglen != 1) new_argc++; cmd = cmd_parse(new_argc, new_argv, cause); if (cmd == NULL) goto bad; TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry); lastsplit = i + 1; } if (lastsplit != argc) { cmd = cmd_parse(argc - lastsplit, argv + lastsplit, cause); if (cmd == NULL) goto bad; TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry); } return (cmdlist); bad: cmd_list_free(cmdlist); return (NULL); } int cmd_list_exec(struct cmd_list *cmdlist, struct cmd_ctx *ctx) { struct cmd *cmd; int n, retval; retval = 0; TAILQ_FOREACH(cmd, &cmdlist->list, qentry) { if ((n = cmd_exec(cmd, ctx)) == -1) return (-1); /* * A 1 return value means the command client is being attached * (sent MSG_READY). */ if (n == 1) { retval = 1; /* * The command client has been attached, so mangle the * context to treat any following commands as if they * were called from inside. */ if (ctx->curclient == NULL) { ctx->curclient = ctx->cmdclient; ctx->cmdclient = NULL; ctx->error = key_bindings_error; ctx->print = key_bindings_print; ctx->info = key_bindings_info; } } } return (retval); } void cmd_list_free(struct cmd_list *cmdlist) { struct cmd *cmd; if (--cmdlist->references != 0) return; while (!TAILQ_EMPTY(&cmdlist->list)) { cmd = TAILQ_FIRST(&cmdlist->list); TAILQ_REMOVE(&cmdlist->list, cmd, qentry); cmd_free(cmd); } xfree(cmdlist); } size_t cmd_list_print(struct cmd_list *cmdlist, char *buf, size_t len) { struct cmd *cmd; size_t off; off = 0; TAILQ_FOREACH(cmd, &cmdlist->list, qentry) { if (off >= len) break; off += cmd_print(cmd, buf + off, len - off); if (off >= len) break; if (TAILQ_NEXT(cmd, qentry) != NULL) off += xsnprintf(buf + off, len - off, " ; "); } return (off); }