minix/external/bsd/tmux/dist/cmd-confirm-before.c
David van Moolenbroek eda6f5931d Import tmux
We have to use SOCK_SEQPACKET instead of SOCK_STREAM for client/server
communication, because UDS does things with control messages that tmux
does not expect.

Change-Id: I3edb1875d61fb976cf6485c650f4fd4b82fa354c
2014-10-03 10:01:08 +00:00

150 lines
3.6 KiB
C

/* $Id: cmd-confirm-before.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
/*
* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
*
* 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 <ctype.h>
#include <string.h>
#include "tmux.h"
/*
* Asks for confirmation before executing a command.
*/
void cmd_confirm_before_key_binding(struct cmd *, int);
int cmd_confirm_before_exec(struct cmd *, struct cmd_ctx *);
int cmd_confirm_before_callback(void *, const char *);
void cmd_confirm_before_free(void *);
const struct cmd_entry cmd_confirm_before_entry = {
"confirm-before", "confirm",
"p:t:", 1, 1,
"[-p prompt] " CMD_TARGET_CLIENT_USAGE " command",
0,
cmd_confirm_before_key_binding,
NULL,
cmd_confirm_before_exec
};
struct cmd_confirm_before_data {
struct client *c;
char *cmd;
};
void
cmd_confirm_before_key_binding(struct cmd *self, int key)
{
switch (key) {
case '&':
self->args = args_create(1, "kill-window");
args_set(self->args, 'p', "kill-window #W? (y/n)");
break;
case 'x':
self->args = args_create(1, "kill-pane");
args_set(self->args, 'p', "kill-pane #P? (y/n)");
break;
default:
self->args = args_create(0);
break;
}
}
int
cmd_confirm_before_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct cmd_confirm_before_data *cdata;
struct client *c;
char *cmd, *copy, *new_prompt, *ptr;
const char *prompt;
if (ctx->curclient == NULL) {
ctx->error(ctx, "must be run interactively");
return (-1);
}
if ((c = cmd_find_client(ctx, args_get(args, 't'))) == NULL)
return (-1);
if ((prompt = args_get(args, 'p')) != NULL)
xasprintf(&new_prompt, "%s ", prompt);
else {
ptr = copy = xstrdup(args->argv[0]);
cmd = strsep(&ptr, " \t");
xasprintf(&new_prompt, "Confirm '%s'? (y/n) ", cmd);
xfree(copy);
}
cdata = xmalloc(sizeof *cdata);
cdata->cmd = xstrdup(args->argv[0]);
cdata->c = c;
status_prompt_set(cdata->c, new_prompt, NULL,
cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
PROMPT_SINGLE);
xfree(new_prompt);
return (1);
}
int
cmd_confirm_before_callback(void *data, const char *s)
{
struct cmd_confirm_before_data *cdata = data;
struct client *c = cdata->c;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
char *cause;
if (s == NULL || *s == '\0')
return (0);
if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
return (0);
if (cmd_string_parse(cdata->cmd, &cmdlist, &cause) != 0) {
if (cause != NULL) {
*cause = toupper((u_char) *cause);
status_message_set(c, "%s", cause);
xfree(cause);
}
return (0);
}
ctx.msgdata = NULL;
ctx.curclient = c;
ctx.error = key_bindings_error;
ctx.print = key_bindings_print;
ctx.info = key_bindings_info;
ctx.cmdclient = NULL;
cmd_list_exec(cmdlist, &ctx);
cmd_list_free(cmdlist);
return (0);
}
void
cmd_confirm_before_free(void *data)
{
struct cmd_confirm_before_data *cdata = data;
if (cdata->cmd != NULL)
xfree(cdata->cmd);
xfree(cdata);
}