mirror of
https://github.com/tmux/tmux.git
synced 2024-11-19 10:58:51 +00:00
535286c05a
separate options, prefix and prefix2. This simplifies the code and gets rid the data options type which was only used for this one option. Also add a -2 flag to send-prefix to send the secondary prefix key, fixing a cause of minor irritation. People who want three prefix keys are out of luck :-).
161 lines
3.6 KiB
C
161 lines
3.6 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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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 <stdarg.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Option handling; each option has a name, type and value and is stored in
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* a splay tree.
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*/
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SPLAY_GENERATE(options_tree, options_entry, entry, options_cmp);
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int
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options_cmp(struct options_entry *o1, struct options_entry *o2)
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{
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return (strcmp(o1->name, o2->name));
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}
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void
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options_init(struct options *oo, struct options *parent)
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{
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SPLAY_INIT(&oo->tree);
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oo->parent = parent;
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}
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void
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options_free(struct options *oo)
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{
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struct options_entry *o;
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while (!SPLAY_EMPTY(&oo->tree)) {
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o = SPLAY_ROOT(&oo->tree);
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SPLAY_REMOVE(options_tree, &oo->tree, o);
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xfree(o->name);
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if (o->type == OPTIONS_STRING)
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xfree(o->str);
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xfree(o);
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}
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}
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struct options_entry *
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options_find1(struct options *oo, const char *name)
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{
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struct options_entry p;
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p.name = (char *) name;
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return (SPLAY_FIND(options_tree, &oo->tree, &p));
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}
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struct options_entry *
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options_find(struct options *oo, const char *name)
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{
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struct options_entry *o, p;
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p.name = (char *) name;
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o = SPLAY_FIND(options_tree, &oo->tree, &p);
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while (o == NULL) {
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oo = oo->parent;
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if (oo == NULL)
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break;
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o = SPLAY_FIND(options_tree, &oo->tree, &p);
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}
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return (o);
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}
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void
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options_remove(struct options *oo, const char *name)
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{
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struct options_entry *o;
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if ((o = options_find1(oo, name)) == NULL)
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return;
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SPLAY_REMOVE(options_tree, &oo->tree, o);
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xfree(o->name);
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if (o->type == OPTIONS_STRING)
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xfree(o->str);
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xfree(o);
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}
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struct options_entry *printflike3
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options_set_string(struct options *oo, const char *name, const char *fmt, ...)
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{
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struct options_entry *o;
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va_list ap;
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if ((o = options_find1(oo, name)) == NULL) {
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o = xmalloc(sizeof *o);
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o->name = xstrdup(name);
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SPLAY_INSERT(options_tree, &oo->tree, o);
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} else if (o->type == OPTIONS_STRING)
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xfree(o->str);
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va_start(ap, fmt);
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o->type = OPTIONS_STRING;
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xvasprintf(&o->str, fmt, ap);
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va_end(ap);
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return (o);
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}
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char *
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options_get_string(struct options *oo, const char *name)
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{
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struct options_entry *o;
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if ((o = options_find(oo, name)) == NULL)
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fatalx("missing option");
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if (o->type != OPTIONS_STRING)
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fatalx("option not a string");
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return (o->str);
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}
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struct options_entry *
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options_set_number(struct options *oo, const char *name, long long value)
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{
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struct options_entry *o;
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if ((o = options_find1(oo, name)) == NULL) {
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o = xmalloc(sizeof *o);
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o->name = xstrdup(name);
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SPLAY_INSERT(options_tree, &oo->tree, o);
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} else if (o->type == OPTIONS_STRING)
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xfree(o->str);
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o->type = OPTIONS_NUMBER;
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o->num = value;
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return (o);
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}
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long long
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options_get_number(struct options *oo, const char *name)
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{
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struct options_entry *o;
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if ((o = options_find(oo, name)) == NULL)
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fatalx("missing option");
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if (o->type != OPTIONS_NUMBER)
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fatalx("option not a number");
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return (o->num);
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}
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