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/* $OpenBSD: cmd-command-prompt.c,v 1.13 2010/05/05 23:24:23 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_parse(struct cmd *, int, char **, char **);
int cmd_command_prompt_exec(struct cmd *, struct cmd_ctx *);
void cmd_command_prompt_free(struct cmd *);
size_t cmd_command_prompt_print(struct cmd *, char *, size_t);
int cmd_command_prompt_callback(void *, const char *);
void cmd_command_prompt_cfree(void *);
const struct cmd_entry cmd_command_prompt_entry = {
"command-prompt", NULL,
CMD_TARGET_CLIENT_USAGE " [-p prompts] [template]",
0, "",
cmd_command_prompt_init,
cmd_command_prompt_parse,
cmd_command_prompt_exec,
cmd_command_prompt_free,
cmd_command_prompt_print
};
struct cmd_command_prompt_data {
char *prompts;
char *target;
char *template;
};
struct cmd_command_prompt_cdata {
struct client *c;
char *next_prompt;
char *prompts;
char *template;
int idx;
};
void
cmd_command_prompt_init(struct cmd *self, int key)
{
struct cmd_command_prompt_data *data;
self->data = data = xmalloc(sizeof *data);
data->prompts = NULL;
data->target = NULL;
data->template = NULL;
switch (key) {
case ',':
data->template = xstrdup("rename-window '%%'");
break;
case '.':
data->template = xstrdup("move-window -t '%%'");
break;
case 'f':
data->template = xstrdup("find-window '%%'");
break;
case '\'':
data->template = xstrdup("select-window -t ':%%'");
data->prompts = xstrdup("index");
break;
}
}
int
cmd_command_prompt_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_command_prompt_data *data;
int opt;
self->entry->init(self, KEYC_NONE);
data = self->data;
while ((opt = getopt(argc, argv, "p:t:")) != -1) {
switch (opt) {
case 'p':
if (data->prompts == NULL)
data->prompts = xstrdup(optarg);
break;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc != 0 && argc != 1)
goto usage;
if (argc == 1)
data->template = xstrdup(argv[0]);
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
self->entry->free(self);
return (-1);
}
int
cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_command_prompt_data *data = self->data;
struct cmd_command_prompt_cdata *cdata;
struct client *c;
char *prompt, *ptr;
size_t n;
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;
cdata->idx = 1;
cdata->next_prompt = NULL;
cdata->prompts = NULL;
cdata->template = NULL;
if (data->template != NULL)
cdata->template = xstrdup(data->template);
else
cdata->template = xstrdup("%1");
if (data->prompts != NULL)
cdata->prompts = xstrdup(data->prompts);
else if (data->template != NULL) {
n = strcspn(data->template, " ,");
xasprintf(&cdata->prompts, "(%.*s) ", (int) n, data->template);
} else
cdata->prompts = xstrdup(":");
cdata->next_prompt = cdata->prompts;
ptr = strsep(&cdata->next_prompt, ",");
if (data->prompts == NULL)
prompt = xstrdup(ptr);
else
xasprintf(&prompt, "%s ", ptr);
status_prompt_set(c, prompt, cmd_command_prompt_callback,
cmd_command_prompt_cfree, cdata, 0);
xfree(prompt);
return (0);
}
void
cmd_command_prompt_free(struct cmd *self)
{
struct cmd_command_prompt_data *data = self->data;
if (data->prompts != NULL)
xfree(data->prompts);
if (data->target != NULL)
xfree(data->target);
if (data->template != NULL)
xfree(data->template);
xfree(data);
}
size_t
cmd_command_prompt_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_command_prompt_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return (off);
if (off < len && data->prompts != NULL)
off += cmd_prarg(buf + off, len - off, " -p ", data->prompts);
if (off < len && data->target != NULL)
off += cmd_prarg(buf + off, len - off, " -t ", data->target);
if (off < len && data->template != NULL)
off += cmd_prarg(buf + off, len - off, " ", data->template);
return (off);
}
int
cmd_command_prompt_callback(void *data, const char *s)
{
struct cmd_command_prompt_cdata *cdata = data;
struct client *c = cdata->c;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
char *cause, *newtempl, *prompt, *ptr;
if (s == NULL)
return (0);
newtempl = cmd_template_replace(cdata->template, s, cdata->idx);
xfree(cdata->template);
cdata->template = newtempl;
if ((ptr = strsep(&cdata->next_prompt, ",")) != NULL) {
xasprintf(&prompt, "%s ", ptr);
status_prompt_update(c, prompt);
xfree(prompt);
cdata->idx++;
return (1);
}
if (cmd_string_parse(newtempl, &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);
if (c->prompt_callbackfn != (void *) &cmd_command_prompt_callback)
return (1);
return (0);
}
void
cmd_command_prompt_cfree(void *data)
{
struct cmd_command_prompt_cdata *cdata = data;
if (cdata->prompts != NULL)
xfree(cdata->prompts);
if (cdata->template != NULL)
xfree(cdata->template);
xfree(cdata);
}
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