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/* $OpenBSD: cmd-show-options.c,v 1.69 2022/02/14 09:10:48 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 void cmd_show_options_print(struct cmd *, struct cmdq_item *,
struct options_entry *, int, int);
static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
int, struct options *);
const struct cmd_entry cmd_show_options_entry = {
.name = "show-options",
.alias = "show",
.args = { "AgHpqst:vw", 0, 1, NULL },
.usage = "[-AgHpqsvw] " CMD_TARGET_PANE_USAGE " [option]",
.target = { 't', CMD_FIND_PANE, 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, NULL },
.usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
.flags = CMD_AFTERHOOK,
.exec = cmd_show_options_exec
};
const struct cmd_entry cmd_show_hooks_entry = {
.name = "show-hooks",
.alias = NULL,
.args = { "gpt:w", 0, 1, NULL },
.usage = "[-gpw] " CMD_TARGET_PANE_USAGE,
.target = { 't', CMD_FIND_PANE, 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 = cmd_get_args(self);
struct cmd_find_state *target = cmdq_get_target(item);
struct options *oo;
char *argument, *name = NULL, *cause;
int window, idx, ambiguous, parent, scope;
struct options_entry *o;
window = (cmd_get_entry(self) == &cmd_show_window_options_entry);
if (args_count(args) == 0) {
scope = options_scope_from_flags(args, window, target, &oo,
&cause);
if (scope == OPTIONS_TABLE_NONE) {
if (args_has(args, 'q'))
return (CMD_RETURN_NORMAL);
cmdq_error(item, "%s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
return (cmd_show_options_all(self, item, scope, oo));
}
argument = format_single_from_target(item, args_string(args, 0));
name = options_match(argument, &idx, &ambiguous);
if (name == NULL) {
if (args_has(args, 'q'))
goto out;
if (ambiguous)
cmdq_error(item, "ambiguous option: %s", argument);
else
cmdq_error(item, "invalid option: %s", argument);
goto fail;
}
scope = options_scope_from_name(args, window, name, target, &oo,
&cause);
if (scope == OPTIONS_TABLE_NONE) {
if (args_has(args, 'q'))
goto out;
cmdq_error(item, "%s", cause);
free(cause);
goto fail;
}
o = options_get_only(oo, name);
if (args_has(args, 'A') && o == NULL) {
o = options_get(oo, name);
parent = 1;
} else
parent = 0;
if (o != NULL)
cmd_show_options_print(self, item, o, idx, parent);
else if (*name == '@') {
if (args_has(args, 'q'))
goto out;
cmdq_error(item, "invalid option: %s", argument);
goto fail;
}
out:
free(name);
free(argument);
return (CMD_RETURN_NORMAL);
fail:
free(name);
free(argument);
return (CMD_RETURN_ERROR);
}
static void
cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
struct options_entry *o, int idx, int parent)
{
struct args *args = cmd_get_args(self);
struct options_array_item *a;
const char *name = options_name(o);
char *value, *tmp = NULL, *escaped;
if (idx != -1) {
xasprintf(&tmp, "%s[%d]", name, idx);
name = tmp;
} else {
if (options_is_array(o)) {
a = options_array_first(o);
if (a == NULL) {
if (!args_has(args, 'v'))
cmdq_print(item, "%s", name);
return;
}
while (a != NULL) {
idx = options_array_item_index(a);
cmd_show_options_print(self, item, o, idx,
parent);
a = options_array_next(a);
}
return;
}
}
value = options_to_string(o, idx, 0);
if (args_has(args, 'v'))
cmdq_print(item, "%s", value);
else if (options_is_string(o)) {
escaped = args_escape(value);
if (parent)
cmdq_print(item, "%s* %s", name, escaped);
else
cmdq_print(item, "%s %s", name, escaped);
free(escaped);
} else {
if (parent)
cmdq_print(item, "%s* %s", name, value);
else
cmdq_print(item, "%s %s", name, value);
}
free(value);
free(tmp);
}
static enum cmd_retval
cmd_show_options_all(struct cmd *self, struct cmdq_item *item, int scope,
struct options *oo)
{
struct args *args = cmd_get_args(self);
const struct options_table_entry *oe;
struct options_entry *o;
struct options_array_item *a;
const char *name;
u_int idx;
int parent;
if (cmd_get_entry(self) != &cmd_show_hooks_entry) {
o = options_first(oo);
while (o != NULL) {
if (options_table_entry(o) == NULL)
cmd_show_options_print(self, item, o, -1, 0);
o = options_next(o);
}
}
for (oe = options_table; oe->name != NULL; oe++) {
if (~oe->scope & scope)
continue;
if ((cmd_get_entry(self) != &cmd_show_hooks_entry &&
!args_has(args, 'H') &&
(oe->flags & OPTIONS_TABLE_IS_HOOK)) ||
(cmd_get_entry(self) == &cmd_show_hooks_entry &&
(~oe->flags & OPTIONS_TABLE_IS_HOOK)))
continue;
o = options_get_only(oo, oe->name);
if (o == NULL) {
if (!args_has(args, 'A'))
continue;
o = options_get(oo, oe->name);
if (o == NULL)
continue;
parent = 1;
} else
parent = 0;
if (!options_is_array(o))
cmd_show_options_print(self, item, o, -1, parent);
else if ((a = options_array_first(o)) == NULL) {
if (!args_has(args, 'v')) {
name = options_name(o);
if (parent)
cmdq_print(item, "%s*", name);
else
cmdq_print(item, "%s", name);
}
} else {
while (a != NULL) {
idx = options_array_item_index(a);
cmd_show_options_print(self, item, o, idx,
parent);
a = options_array_next(a);
}
}
}
return (CMD_RETURN_NORMAL);
}
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