mirror of
https://github.com/tmux/tmux.git
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253 lines
6.3 KiB
C
253 lines
6.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Show options.
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*/
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static enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmdq_item *);
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static void cmd_show_options_print(struct cmd *, struct cmdq_item *,
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struct options_entry *, int, int);
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static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
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int, struct options *);
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const struct cmd_entry cmd_show_options_entry = {
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.name = "show-options",
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.alias = "show",
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.args = { "AgHpqst:vw", 0, 1 },
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.usage = "[-AgHpqsvw] " CMD_TARGET_PANE_USAGE " [option]",
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.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
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.flags = CMD_AFTERHOOK,
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.exec = cmd_show_options_exec
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};
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const struct cmd_entry cmd_show_window_options_entry = {
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.name = "show-window-options",
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.alias = "showw",
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.args = { "gvt:", 0, 1 },
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.usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
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.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
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.flags = CMD_AFTERHOOK,
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.exec = cmd_show_options_exec
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};
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const struct cmd_entry cmd_show_hooks_entry = {
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.name = "show-hooks",
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.alias = NULL,
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.args = { "gt:", 0, 1 },
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.usage = "[-g] " CMD_TARGET_SESSION_USAGE,
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.target = { 't', CMD_FIND_SESSION, 0 },
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.flags = CMD_AFTERHOOK,
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.exec = cmd_show_options_exec
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};
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static enum cmd_retval
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cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
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{
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struct args *args = self->args;
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struct cmd_find_state *fs = &item->target;
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struct client *c = cmd_find_client(item, NULL, 1);
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struct session *s = item->target.s;
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struct winlink *wl = item->target.wl;
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struct options *oo;
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char *argument, *name = NULL, *cause;
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int window, idx, ambiguous, parent, scope;
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struct options_entry *o;
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window = (self->entry == &cmd_show_window_options_entry);
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if (args->argc == 0) {
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scope = options_scope_from_flags(args, window, fs, &oo, &cause);
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if (scope == OPTIONS_TABLE_NONE) {
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if (args_has(args, 'q'))
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return (CMD_RETURN_NORMAL);
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cmdq_error(item, "%s", cause);
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free(cause);
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return (CMD_RETURN_ERROR);
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}
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return (cmd_show_options_all(self, item, scope, oo));
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}
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argument = format_single(item, args->argv[0], c, s, wl, NULL);
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name = options_match(argument, &idx, &ambiguous);
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if (name == NULL) {
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if (args_has(args, 'q'))
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goto fail;
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if (ambiguous)
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cmdq_error(item, "ambiguous option: %s", argument);
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else
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cmdq_error(item, "invalid option: %s", argument);
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goto fail;
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}
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scope = options_scope_from_name(args, window, name, fs, &oo, &cause);
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if (scope == OPTIONS_TABLE_NONE) {
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if (args_has(args, 'q'))
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goto fail;
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cmdq_error(item, "%s", cause);
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free(cause);
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goto fail;
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}
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o = options_get_only(oo, name);
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if (args_has(args, 'A') && o == NULL) {
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o = options_get(oo, name);
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parent = 1;
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} else
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parent = 0;
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if (o != NULL)
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cmd_show_options_print(self, item, o, idx, parent);
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free(name);
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free(argument);
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return (CMD_RETURN_NORMAL);
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fail:
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free(name);
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free(argument);
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return (CMD_RETURN_ERROR);
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}
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static void
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cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
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struct options_entry *o, int idx, int parent)
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{
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struct options_array_item *a;
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const char *name = options_name(o);
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char *value, *tmp = NULL, *escaped;
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if (idx != -1) {
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xasprintf(&tmp, "%s[%d]", name, idx);
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name = tmp;
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} else {
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if (options_isarray(o)) {
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a = options_array_first(o);
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if (a == NULL) {
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if (!args_has(self->args, 'v'))
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cmdq_print(item, "%s", name);
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return;
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}
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while (a != NULL) {
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idx = options_array_item_index(a);
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cmd_show_options_print(self, item, o, idx,
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parent);
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a = options_array_next(a);
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}
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return;
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}
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}
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value = options_tostring(o, idx, 0);
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if (args_has(self->args, 'v'))
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cmdq_print(item, "%s", value);
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else if (options_isstring(o)) {
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escaped = args_escape(value);
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if (parent)
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cmdq_print(item, "%s* %s", name, escaped);
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else
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cmdq_print(item, "%s %s", name, escaped);
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free(escaped);
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} else {
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if (parent)
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cmdq_print(item, "%s* %s", name, value);
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else
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cmdq_print(item, "%s %s", name, value);
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}
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free(value);
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free(tmp);
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}
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static enum cmd_retval
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cmd_show_options_all(struct cmd *self, struct cmdq_item *item, int scope,
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struct options *oo)
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{
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const struct options_table_entry *oe;
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struct options_entry *o;
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struct options_array_item *a;
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const char *name;
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u_int idx;
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int parent;
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o = options_first(oo);
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while (o != NULL) {
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if (options_table_entry(o) == NULL)
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cmd_show_options_print(self, item, o, -1, 0);
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o = options_next(o);
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}
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for (oe = options_table; oe->name != NULL; oe++) {
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if (~oe->scope & scope)
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continue;
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if ((self->entry != &cmd_show_hooks_entry &&
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!args_has(self->args, 'H') &&
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oe != NULL &&
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(oe->flags & OPTIONS_TABLE_IS_HOOK)) ||
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(self->entry == &cmd_show_hooks_entry &&
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(oe == NULL ||
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(~oe->flags & OPTIONS_TABLE_IS_HOOK))))
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continue;
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o = options_get_only(oo, oe->name);
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if (o == NULL) {
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if (!args_has(self->args, 'A'))
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continue;
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o = options_get(oo, oe->name);
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if (o == NULL)
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continue;
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parent = 1;
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} else
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parent = 0;
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if (!options_isarray(o))
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cmd_show_options_print(self, item, o, -1, parent);
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else if ((a = options_array_first(o)) == NULL) {
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if (!args_has(self->args, 'v')) {
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name = options_name(o);
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if (parent)
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cmdq_print(item, "%s*", name);
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else
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cmdq_print(item, "%s", name);
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}
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} else {
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while (a != NULL) {
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idx = options_array_item_index(a);
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cmd_show_options_print(self, item, o, idx,
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parent);
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a = options_array_next(a);
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}
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}
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}
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return (CMD_RETURN_NORMAL);
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}
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