tmux/cmd-command-prompt.c

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/* $Id: cmd-command-prompt.c,v 1.14 2009-02-13 18:57:55 nicm Exp $ */
/*
* Copyright (c) 2008 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 <ctype.h>
#include <string.h>
#include "tmux.h"
/*
* Prompt for command in client.
*/
void cmd_command_prompt_init(struct cmd *, int);
int cmd_command_prompt_exec(struct cmd *, struct cmd_ctx *);
int cmd_command_prompt_callback(void *, const char *);
const struct cmd_entry cmd_command_prompt_entry = {
"command-prompt", NULL,
CMD_TARGET_CLIENT_USAGE " [template]",
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CMD_ARG01,
cmd_command_prompt_init,
cmd_target_parse,
cmd_command_prompt_exec,
cmd_target_send,
cmd_target_recv,
cmd_target_free,
cmd_target_print
};
struct cmd_command_prompt_data {
struct client *c;
char *template;
};
void
cmd_command_prompt_init(struct cmd *self, int key)
{
struct cmd_target_data *data;
cmd_target_init(self, key);
data = self->data;
switch (key) {
case ',':
data->arg = xstrdup("rename-window '%%'");
break;
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case '.':
data->arg = xstrdup("move-window -t '%%'");
break;
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case 'f':
data->arg = xstrdup("find-window '%%'");
break;
}
}
int
cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct cmd_command_prompt_data *cdata;
struct client *c;
char *hdr, *ptr;
if ((c = cmd_find_client(ctx, data->target)) == NULL)
return (-1);
if (c->prompt_string != NULL)
return (0);
cdata = xmalloc(sizeof *cdata);
cdata->c = c;
if (data->arg != NULL) {
cdata->template = xstrdup(data->arg);
if ((ptr = strchr(data->arg, ' ')) == NULL)
ptr = strchr(data->arg, '\0');
xasprintf(&hdr, "(%.*s) ", (int) (ptr - data->arg), data->arg);
} else {
cdata->template = NULL;
hdr = xstrdup(":");
}
status_prompt_set(c, hdr, cmd_command_prompt_callback, cdata, 0);
xfree(hdr);
return (0);
}
int
cmd_command_prompt_callback(void *data, const char *s)
{
struct cmd_command_prompt_data *cdata = data;
struct client *c = cdata->c;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
char *cause, *ptr, *buf, ch;
size_t len, slen;
if (s == NULL)
return (0);
slen = strlen(s);
len = 0;
buf = NULL;
if (cdata->template != NULL) {
ptr = cdata->template;
while (*ptr != '\0') {
switch (ch = *ptr++) {
case '%':
if (*ptr != '%')
break;
ptr++;
buf = xrealloc(buf, 1, len + slen + 1);
memcpy(buf + len, s, slen);
len += slen;
break;
default:
buf = xrealloc(buf, 1, len + 2);
buf[len++] = ch;
break;
}
}
xfree(cdata->template);
buf[len] = '\0';
s = buf;
}
xfree(cdata);
if (cmd_string_parse(s, &cmdlist, &cause) != 0) {
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if (cause == NULL)
return (0);
*cause = toupper((u_char) *cause);
status_message_set(c, cause);
xfree(cause);
cmdlist = NULL;
}
if (buf != NULL)
xfree(buf);
if (cmdlist == NULL)
return (0);
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ctx.msgdata = NULL;
ctx.cursession = c->session;
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);
if (c->prompt_callback != (void *) &cmd_command_prompt_callback)
return (1);
return (0);
}