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/* $OpenBSD: cmd-command-prompt.c,v 1.48 2020/04/13 08:26:27 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.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 <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "tmux.h"
/*
* Prompt for command in client.
*/
static enum cmd_retval cmd_command_prompt_exec(struct cmd *,
struct cmdq_item *);
static int cmd_command_prompt_callback(struct client *, void *,
const char *, int);
static void cmd_command_prompt_free(void *);
const struct cmd_entry cmd_command_prompt_entry = {
.name = "command-prompt",
.alias = NULL,
.args = { "1kiI:Np:t:", 0, 1 },
.usage = "[-1kiN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " "
"[template]",
.flags = 0,
.exec = cmd_command_prompt_exec
};
struct cmd_command_prompt_cdata {
int flags;
char *inputs;
char *next_input;
char *prompts;
char *next_prompt;
char *template;
int idx;
};
static enum cmd_retval
cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
const char *inputs, *prompts;
struct cmd_command_prompt_cdata *cdata;
struct client *c;
char *prompt, *ptr, *input = NULL;
size_t n;
if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
return (CMD_RETURN_ERROR);
if (c->prompt_string != NULL)
return (CMD_RETURN_NORMAL);
cdata = xcalloc(1, sizeof *cdata);
cdata->inputs = NULL;
cdata->next_input = NULL;
cdata->prompts = NULL;
cdata->next_prompt = NULL;
cdata->template = NULL;
cdata->idx = 1;
if (args->argc != 0)
cdata->template = xstrdup(args->argv[0]);
else
cdata->template = xstrdup("%1");
if ((prompts = args_get(args, 'p')) != NULL)
cdata->prompts = xstrdup(prompts);
else if (args->argc != 0) {
n = strcspn(cdata->template, " ,");
xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template);
} else
cdata->prompts = xstrdup(":");
/* Get first prompt. */
cdata->next_prompt = cdata->prompts;
ptr = strsep(&cdata->next_prompt, ",");
if (prompts == NULL)
prompt = xstrdup(ptr);
else
xasprintf(&prompt, "%s ", ptr);
/* Get initial prompt input. */
if ((inputs = args_get(args, 'I')) != NULL) {
cdata->inputs = xstrdup(inputs);
cdata->next_input = cdata->inputs;
input = strsep(&cdata->next_input, ",");
}
if (args_has(args, '1'))
cdata->flags |= PROMPT_SINGLE;
else if (args_has(args, 'N'))
cdata->flags |= PROMPT_NUMERIC;
else if (args_has(args, 'i'))
cdata->flags |= PROMPT_INCREMENTAL;
else if (args_has(args, 'k'))
cdata->flags |= PROMPT_KEY;
status_prompt_set(c, prompt, input, cmd_command_prompt_callback,
cmd_command_prompt_free, cdata, cdata->flags);
free(prompt);
return (CMD_RETURN_NORMAL);
}
static int
cmd_command_prompt_callback(struct client *c, void *data, const char *s,
int done)
{
struct cmd_command_prompt_cdata *cdata = data;
struct cmdq_item *new_item;
char *new_template, *prompt, *ptr;
char *input = NULL;
struct cmd_parse_result *pr;
if (s == NULL)
return (0);
if (done && (cdata->flags & PROMPT_INCREMENTAL))
return (0);
new_template = cmd_template_replace(cdata->template, s, cdata->idx);
if (done) {
free(cdata->template);
cdata->template = new_template;
}
/*
* Check if there are more prompts; if so, get its respective input
* and update the prompt data.
*/
if (done && (ptr = strsep(&cdata->next_prompt, ",")) != NULL) {
xasprintf(&prompt, "%s ", ptr);
input = strsep(&cdata->next_input, ",");
status_prompt_update(c, prompt, input);
free(prompt);
cdata->idx++;
return (1);
}
pr = cmd_parse_from_string(new_template, NULL);
switch (pr->status) {
case CMD_PARSE_EMPTY:
new_item = NULL;
break;
case CMD_PARSE_ERROR:
new_item = cmdq_get_error(pr->error);
free(pr->error);
cmdq_append(c, new_item);
break;
case CMD_PARSE_SUCCESS:
new_item = cmdq_get_command(pr->cmdlist, NULL, NULL, 0);
cmd_list_free(pr->cmdlist);
cmdq_append(c, new_item);
break;
}
if (!done)
free(new_template);
if (c->prompt_inputcb != cmd_command_prompt_callback)
return (1);
return (0);
}
static void
cmd_command_prompt_free(void *data)
{
struct cmd_command_prompt_cdata *cdata = data;
free(cdata->inputs);
free(cdata->prompts);
free(cdata->template);
free(cdata);
}
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