NetBSD/external/bsd/tmux/dist/cmd-command-prompt.c

239 lines
6.2 KiB
C

/* $OpenBSD$ */
/*
* 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 args_parse_type cmd_command_prompt_args_parse(struct args *,
u_int, char **);
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 = { "1bFkiI:Np:t:T:", 0, 1, cmd_command_prompt_args_parse },
.usage = "[-1bFkiN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
" [-T type] [template]",
.flags = CMD_CLIENT_TFLAG,
.exec = cmd_command_prompt_exec
};
struct cmd_command_prompt_prompt {
char *input;
char *prompt;
};
struct cmd_command_prompt_cdata {
struct cmdq_item *item;
struct args_command_state *state;
int flags;
enum prompt_type prompt_type;
struct cmd_command_prompt_prompt *prompts;
u_int count;
u_int current;
int argc;
char **argv;
};
static enum args_parse_type
cmd_command_prompt_args_parse(__unused struct args *args, __unused u_int idx,
__unused char **cause)
{
return (ARGS_PARSE_COMMANDS_OR_STRING);
}
static enum cmd_retval
cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct client *tc = cmdq_get_target_client(item);
struct cmd_find_state *target = cmdq_get_target(item);
const char *type, *s, *input;
struct cmd_command_prompt_cdata *cdata;
char *tmp, *prompts, *prompt, *next_prompt;
char *inputs = NULL, *next_input;
u_int count = args_count(args);
int wait = !args_has(args, 'b'), space = 1;
if (tc->prompt_string != NULL)
return (CMD_RETURN_NORMAL);
if (args_has(args, 'i'))
wait = 0;
cdata = xcalloc(1, sizeof *cdata);
if (wait)
cdata->item = item;
cdata->state = args_make_commands_prepare(self, item, 0, "%1", wait,
args_has(args, 'F'));
if ((s = args_get(args, 'p')) == NULL) {
if (count != 0) {
tmp = args_make_commands_get_command(cdata->state);
xasprintf(&prompts, "(%s)", tmp);
free(tmp);
} else {
prompts = xstrdup(":");
space = 0;
}
next_prompt = prompts;
} else
next_prompt = prompts = xstrdup(s);
if ((s = args_get(args, 'I')) != NULL)
next_input = inputs = xstrdup(s);
else
next_input = NULL;
while ((prompt = strsep(&next_prompt, ",")) != NULL) {
cdata->prompts = xreallocarray(cdata->prompts, cdata->count + 1,
sizeof *cdata->prompts);
if (!space)
tmp = xstrdup(prompt);
else
xasprintf(&tmp, "%s ", prompt);
cdata->prompts[cdata->count].prompt = tmp;
if (next_input != NULL) {
input = strsep(&next_input, ",");
if (input == NULL)
input = "";
} else
input = "";
cdata->prompts[cdata->count].input = xstrdup(input);
cdata->count++;
}
free(inputs);
free(prompts);
if ((type = args_get(args, 'T')) != NULL) {
cdata->prompt_type = status_prompt_type(type);
if (cdata->prompt_type == PROMPT_TYPE_INVALID) {
cmdq_error(item, "unknown type: %s", type);
return (CMD_RETURN_ERROR);
}
} else
cdata->prompt_type = PROMPT_TYPE_COMMAND;
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(tc, target, cdata->prompts[0].prompt,
cdata->prompts[0].input, cmd_command_prompt_callback,
cmd_command_prompt_free, cdata, cdata->flags, cdata->prompt_type);
if (!wait)
return (CMD_RETURN_NORMAL);
return (CMD_RETURN_WAIT);
}
static int
cmd_command_prompt_callback(struct client *c, void *data, const char *s,
int done)
{
struct cmd_command_prompt_cdata *cdata = data;
char *error;
struct cmdq_item *item = cdata->item, *new_item;
struct cmd_list *cmdlist;
struct cmd_command_prompt_prompt *prompt;
int argc = 0;
char **argv = NULL;
if (s == NULL)
goto out;
if (done) {
if (cdata->flags & PROMPT_INCREMENTAL)
goto out;
cmd_append_argv(&cdata->argc, &cdata->argv, s);
if (++cdata->current != cdata->count) {
prompt = &cdata->prompts[cdata->current];
status_prompt_update(c, prompt->prompt, prompt->input);
return (1);
}
}
argc = cdata->argc;
argv = cmd_copy_argv(cdata->argc, cdata->argv);
cmd_append_argv(&argc, &argv, s);
if (done) {
cdata->argc = argc;
cdata->argv = cmd_copy_argv(argc, argv);
}
cmdlist = args_make_commands(cdata->state, argc, argv, &error);
if (cmdlist == NULL) {
cmdq_append(c, cmdq_get_error(error));
free(error);
} else if (item == NULL) {
new_item = cmdq_get_command(cmdlist, NULL);
cmdq_append(c, new_item);
} else {
new_item = cmdq_get_command(cmdlist, cmdq_get_state(item));
cmdq_insert_after(item, new_item);
}
cmd_free_argv(argc, argv);
if (c->prompt_inputcb != cmd_command_prompt_callback)
return (1);
out:
if (item != NULL)
cmdq_continue(item);
return (0);
}
static void
cmd_command_prompt_free(void *data)
{
struct cmd_command_prompt_cdata *cdata = data;
u_int i;
for (i = 0; i < cdata->count; i++) {
free(cdata->prompts[i].prompt);
free(cdata->prompts[i].input);
}
free(cdata->prompts);
cmd_free_argv(cdata->argc, cdata->argv);
args_make_commands_free(cdata->state);
free(cdata);
}