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97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
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* Copyright (c) 2012 George Nachman <tmux@georgester.com>
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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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#include <event.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "tmux.h"
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/* Write a line. */
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void
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control_write(struct client *c, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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file_vprint(c, fmt, ap);
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file_print(c, "\n");
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va_end(ap);
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}
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/* Control error callback. */
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static enum cmd_retval
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control_error(struct cmdq_item *item, void *data)
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{
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struct client *c = cmdq_get_client(item);
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char *error = data;
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cmdq_guard(item, "begin", 1);
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control_write(c, "parse error: %s", error);
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cmdq_guard(item, "error", 1);
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free(error);
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return (CMD_RETURN_NORMAL);
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}
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/* Control input callback. Read lines and fire commands. */
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static void
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control_callback(__unused struct client *c, __unused const char *path,
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int read_error, int closed, struct evbuffer *buffer, __unused void *data)
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{
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char *line, *error;
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struct cmdq_state *state;
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enum cmd_parse_status status;
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if (closed || read_error != 0)
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c->flags |= CLIENT_EXIT;
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for (;;) {
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line = evbuffer_readln(buffer, NULL, EVBUFFER_EOL_LF);
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if (line == NULL)
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break;
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log_debug("%s: %s", __func__, line);
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if (*line == '\0') { /* empty line exit */
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free(line);
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c->flags |= CLIENT_EXIT;
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break;
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}
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state = cmdq_new_state(NULL, NULL, CMDQ_STATE_CONTROL);
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status = cmd_parse_and_append(line, NULL, c, state, &error);
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if (status == CMD_PARSE_ERROR)
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cmdq_append(c, cmdq_get_callback(control_error, error));
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cmdq_free_state(state);
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free(line);
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}
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}
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void
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control_start(struct client *c)
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{
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file_read(c, "-", control_callback, c);
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if (c->flags & CLIENT_CONTROLCONTROL)
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file_print(c, "\033P1000p");
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}
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