mirror of
https://github.com/tmate-io/tmate.git
synced 2024-12-27 09:08:47 +01:00
155 lines
3.2 KiB
C
155 lines
3.2 KiB
C
/* $Id: cmd-list.c,v 1.5 2009-05-04 17:58:26 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;
|
|
size_t arglen, new_argc;
|
|
char **new_argv;
|
|
|
|
cmdlist = xmalloc(sizeof *cmdlist);
|
|
TAILQ_INIT(cmdlist);
|
|
|
|
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, 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, 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;
|
|
|
|
TAILQ_FOREACH(cmd, cmdlist, qentry) {
|
|
if ((n = cmd_exec(cmd, ctx)) != 0)
|
|
return (n);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
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);
|
|
}
|