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tmate/cmd-show-options.c

168 lines
4.5 KiB
C

/* $Id$ */
/*
* Copyright (c) 2007 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Show options.
*/
enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_show_options_one(struct cmd *, struct cmd_ctx *,
struct options *);
enum cmd_retval cmd_show_options_all(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *);
const struct cmd_entry cmd_show_options_entry = {
"show-options", "show",
"gst:vw", 0, 1,
"[-gsvw] [-t target-session|target-window] [option]",
0,
NULL,
NULL,
cmd_show_options_exec
};
const struct cmd_entry cmd_show_window_options_entry = {
"show-window-options", "showw",
"gvt:", 0, 1,
"[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
0,
NULL,
NULL,
cmd_show_options_exec
};
enum cmd_retval
cmd_show_options_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct session *s;
struct winlink *wl;
const struct options_table_entry *table;
struct options *oo;
if (args_has(self->args, 's')) {
oo = &global_options;
table = server_options_table;
} else if (args_has(self->args, 'w') ||
self->entry == &cmd_show_window_options_entry) {
table = window_options_table;
if (args_has(self->args, 'g'))
oo = &global_w_options;
else {
wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
if (wl == NULL)
return (CMD_RETURN_ERROR);
oo = &wl->window->options;
}
} else {
table = session_options_table;
if (args_has(self->args, 'g'))
oo = &global_s_options;
else {
s = cmd_find_session(ctx, args_get(args, 't'), 0);
if (s == NULL)
return (CMD_RETURN_ERROR);
oo = &s->options;
}
}
if (args->argc != 0)
return (cmd_show_options_one(self, ctx, oo));
else
return (cmd_show_options_all(self, ctx, table, oo));
}
enum cmd_retval
cmd_show_options_one(struct cmd *self, struct cmd_ctx *ctx,
struct options *oo)
{
struct args *args = self->args;
const struct options_table_entry *table, *oe;
struct options_entry *o;
const char *optval;
if (*args->argv[0] == '@') {
if ((o = options_find1(oo, args->argv[0])) == NULL) {
ctx->error(ctx, "unknown option: %s", args->argv[0]);
return (CMD_RETURN_ERROR);
}
if (args_has(self->args, 'v'))
ctx->print(ctx, "%s", o->str);
else
ctx->print(ctx, "%s \"%s\"", o->name, o->str);
return (CMD_RETURN_NORMAL);
}
table = oe = NULL;
if (options_table_find(args->argv[0], &table, &oe) != 0) {
ctx->error(ctx, "ambiguous option: %s", args->argv[0]);
return (CMD_RETURN_ERROR);
}
if (oe == NULL) {
ctx->error(ctx, "unknown option: %s", args->argv[0]);
return (CMD_RETURN_ERROR);
}
if ((o = options_find1(oo, oe->name)) == NULL)
return (CMD_RETURN_NORMAL);
optval = options_table_print_entry(oe, o, args_has(self->args, 'v'));
if (args_has(self->args, 'v'))
ctx->print(ctx, "%s", optval);
else
ctx->print(ctx, "%s %s", oe->name, optval);
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_show_options_all(struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *table, struct options *oo)
{
const struct options_table_entry *oe;
struct options_entry *o;
const char *optval;
RB_FOREACH(o, options_tree, &oo->tree) {
if (*o->name == '@') {
if (args_has(self->args, 'v'))
ctx->print(ctx, "%s", o->str);
else
ctx->print(ctx, "%s \"%s\"", o->name, o->str);
}
}
for (oe = table; oe->name != NULL; oe++) {
if ((o = options_find1(oo, oe->name)) == NULL)
continue;
optval = options_table_print_entry(oe, o,
args_has(self->args, 'v'));
if (args_has(self->args, 'v'))
ctx->print(ctx, "%s", optval);
else
ctx->print(ctx, "%s %s", oe->name, optval);
}
return (CMD_RETURN_NORMAL);
}