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/* $OpenBSD: cmd-show-options.c,v 1.42 2017/05/10 13:05:41 nicm Exp $ */
/*
* Copyright (c) 2007 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 <stdlib.h>
#include <string.h>
#include <vis.h>
#include "tmux.h"
/*
* Show options.
*/
static enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmdq_item *);
static enum cmd_retval cmd_show_options_one(struct cmd *, struct cmdq_item *,
struct options *);
static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
struct options *);
const struct cmd_entry cmd_show_options_entry = {
.name = "show-options",
.alias = "show",
.args = { "gqst:vw", 0, 1 },
.usage = "[-gqsvw] [-t target-session|target-window] [option]",
.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
.flags = CMD_AFTERHOOK,
.exec = cmd_show_options_exec
};
const struct cmd_entry cmd_show_window_options_entry = {
.name = "show-window-options",
.alias = "showw",
.args = { "gvt:", 0, 1 },
.usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
.flags = CMD_AFTERHOOK,
.exec = cmd_show_options_exec
};
static enum cmd_retval
cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct cmd_find_state *fs = &item->target;
struct options *oo;
enum options_table_scope scope;
char *cause;
int window;
window = (self->entry == &cmd_show_window_options_entry);
scope = options_scope_from_flags(args, window, fs, &oo, &cause);
if (scope == OPTIONS_TABLE_NONE) {
cmdq_error(item, "%s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (args->argc == 0)
return (cmd_show_options_all(self, item, oo));
else
return (cmd_show_options_one(self, item, oo));
}
static void
cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
struct options_entry *o, int idx)
{
const char *name;
const char *value;
char *tmp, *escaped;
u_int size, i;
if (idx != -1) {
xasprintf(&tmp, "%s[%d]", options_name(o), idx);
name = tmp;
} else {
if (options_array_size(o, &size) != -1) {
for (i = 0; i < size; i++) {
if (options_array_get(o, i) == NULL)
continue;
cmd_show_options_print(self, item, o, i);
}
return;
}
tmp = NULL;
name = options_name(o);
}
value = options_tostring(o, idx, 0);
if (args_has(self->args, 'v'))
cmdq_print(item, "%s", value);
else if (options_isstring(o)) {
utf8_stravis(&escaped, value, VIS_OCTAL|VIS_TAB|VIS_NL|VIS_DQ);
cmdq_print(item, "%s \"%s\"", name, escaped);
free(escaped);
} else
cmdq_print(item, "%s %s", name, value);
free(tmp);
}
static enum cmd_retval
cmd_show_options_one(struct cmd *self, struct cmdq_item *item,
struct options *oo)
{
struct args *args = self->args;
struct client *c = cmd_find_client(item, NULL, 1);
struct session *s = item->target.s;
struct winlink *wl = item->target.wl;
struct options_entry *o;
int idx, ambiguous;
char *name;
name = format_single(item, args->argv[0], c, s, wl, NULL);
o = options_match_get(oo, name, &idx, 1, &ambiguous);
if (o == NULL) {
if (args_has(args, 'q')) {
free(name);
return (CMD_RETURN_NORMAL);
}
if (ambiguous) {
cmdq_error(item, "ambiguous option: %s", name);
free(name);
return (CMD_RETURN_ERROR);
}
if (*name != '@' &&
options_match_get(oo, name, &idx, 0, &ambiguous) != NULL) {
free(name);
return (CMD_RETURN_NORMAL);
}
cmdq_error(item, "unknown option: %s", name);
free(name);
return (CMD_RETURN_ERROR);
}
cmd_show_options_print(self, item, o, idx);
free(name);
return (CMD_RETURN_NORMAL);
}
static enum cmd_retval
cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
struct options *oo)
{
struct options_entry *o;
const struct options_table_entry *oe;
u_int size, idx;
o = options_first(oo);
while (o != NULL) {
oe = options_table_entry(o);
if (oe != NULL && oe->style != NULL) {
o = options_next(o);
continue;
}
if (options_array_size(o, &size) == -1)
cmd_show_options_print(self, item, o, -1);
else {
for (idx = 0; idx < size; idx++) {
if (options_array_get(o, idx) == NULL)
continue;
cmd_show_options_print(self, item, o, idx);
}
}
o = options_next(o);
}
return (CMD_RETURN_NORMAL);
}
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