mirror of
https://github.com/tmux/tmux.git
synced 2024-11-02 07:58:48 +00:00
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
|
|
* Copyright (c) 2012 George Nachman <tmux@georgester.com>
|
|
*
|
|
* 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 <event.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
/* Write a line. */
|
|
void
|
|
control_write(struct client *c, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
evbuffer_add_vprintf(c->stdout_data, fmt, ap);
|
|
va_end(ap);
|
|
|
|
evbuffer_add(c->stdout_data, "\n", 1);
|
|
server_client_push_stdout(c);
|
|
}
|
|
|
|
/* Write a buffer, adding a terminal newline. Empties buffer. */
|
|
void
|
|
control_write_buffer(struct client *c, struct evbuffer *buffer)
|
|
{
|
|
evbuffer_add_buffer(c->stdout_data, buffer);
|
|
evbuffer_add(c->stdout_data, "\n", 1);
|
|
server_client_push_stdout(c);
|
|
}
|
|
|
|
/* Control error callback. */
|
|
static enum cmd_retval
|
|
control_error(struct cmdq_item *item, void *data)
|
|
{
|
|
struct client *c = item->client;
|
|
char *error = data;
|
|
|
|
cmdq_guard(item, "begin", 1);
|
|
control_write(c, "parse error: %s", error);
|
|
cmdq_guard(item, "error", 1);
|
|
|
|
free(error);
|
|
return (CMD_RETURN_NORMAL);
|
|
}
|
|
|
|
/* Control input callback. Read lines and fire commands. */
|
|
void
|
|
control_callback(struct client *c, int closed, __unused void *data)
|
|
{
|
|
char *line;
|
|
struct cmdq_item *item;
|
|
struct cmd_parse_result *pr;
|
|
|
|
if (closed)
|
|
c->flags |= CLIENT_EXIT;
|
|
|
|
for (;;) {
|
|
line = evbuffer_readln(c->stdin_data, NULL, EVBUFFER_EOL_LF);
|
|
if (line == NULL)
|
|
break;
|
|
if (*line == '\0') { /* empty line exit */
|
|
c->flags |= CLIENT_EXIT;
|
|
break;
|
|
}
|
|
|
|
pr = cmd_parse_from_string(line, NULL);
|
|
switch (pr->status) {
|
|
case CMD_PARSE_EMPTY:
|
|
break;
|
|
case CMD_PARSE_ERROR:
|
|
item = cmdq_get_callback(control_error, pr->error);
|
|
cmdq_append(c, item);
|
|
break;
|
|
case CMD_PARSE_SUCCESS:
|
|
item = cmdq_get_command(pr->cmdlist, NULL, NULL, 0);
|
|
item->shared->flags |= CMDQ_SHARED_CONTROL;
|
|
cmdq_append(c, item);
|
|
cmd_list_free(pr->cmdlist);
|
|
break;
|
|
}
|
|
|
|
free(line);
|
|
}
|
|
}
|