diff options
Diffstat (limited to 'cmd-list.c')
-rw-r--r-- | cmd-list.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/cmd-list.c b/cmd-list.c new file mode 100644 index 00000000..8edaff56 --- /dev/null +++ b/cmd-list.c @@ -0,0 +1,137 @@ +/* $Id: cmd-list.c,v 1.1 2009-01-18 14:40:48 nicm Exp $ */ + +/* + * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> + * + * 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 <sys/types.h> + +#include <string.h> + +#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; + + cmdlist = xmalloc(sizeof *cmdlist); + TAILQ_INIT(cmdlist); + + lastsplit = 0; + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "\\;") == 0) { + argv[i][0] = ';'; + argv[i][1] = '\0'; + } else if (strcmp(argv[i], ";") == 0) { + cmd = cmd_parse(i - lastsplit, argv + lastsplit, cause); + if (cmd == NULL) + goto bad; + TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); + lastsplit = i + 1; + } + } + + cmd = cmd_parse(argc - lastsplit, argv + lastsplit, cause); + if (cmd == NULL) { + cmd_list_free(cmdlist); + return (NULL); + } + TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); + + return (cmdlist); + +bad: + cmd_list_free(cmdlist); + return (NULL); +} + +void +cmd_list_exec(struct cmd_list *cmdlist, struct cmd_ctx *ctx) +{ + struct cmd *cmd; + + TAILQ_FOREACH(cmd, cmdlist, qentry) + cmd_exec(cmd, ctx); +} + +void +cmd_list_send(struct cmd_list *cmdlist, struct buffer *b) +{ + struct cmd *cmd; + u_int n; + + n = 0; + TAILQ_FOREACH(cmd, cmdlist, qentry) + n++; + + buffer_write(b, &n, sizeof n); + TAILQ_FOREACH(cmd, cmdlist, qentry) + cmd_send(cmd, b); +} + +struct cmd_list * +cmd_list_recv(struct buffer *b) +{ + struct cmd_list *cmdlist; + struct cmd *cmd; + u_int n; + + buffer_read(b, &n, sizeof n); + + cmdlist = xmalloc(sizeof *cmdlist); + TAILQ_INIT(cmdlist); + + while (n-- > 0) { + cmd = cmd_recv(b); + TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); + } + + return (cmdlist); +} + +void +cmd_list_free(struct cmd_list *cmdlist) +{ + struct cmd *cmd; + + while (!TAILQ_EMPTY(cmdlist)) { + cmd = TAILQ_FIRST(cmdlist); + TAILQ_REMOVE(cmdlist, 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, 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); +} |