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/* $Id: cmd-set-option.c 2669 2012-01-21 19:36:40Z tcunha $ */
/*
* 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"
/*
* Set an option.
*/
int cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
int cmd_set_option_find(const char *, const struct options_table_entry **,
const struct options_table_entry **);
int cmd_set_option_unset(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
int cmd_set_option_set(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
struct options_entry *cmd_set_option_key(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_ctx *,
const struct options_table_entry *, struct options *,
const char *);
const struct cmd_entry cmd_set_option_entry = {
"set-option", "set",
"agst:uw", 1, 2,
"[-agsuw] [-t target-session|target-window] option [value]",
0,
NULL,
NULL,
cmd_set_option_exec
};
const struct cmd_entry cmd_set_window_option_entry = {
"set-window-option", "setw",
"agt:u", 1, 2,
"[-agu] " CMD_TARGET_WINDOW_USAGE " option [value]",
0,
NULL,
NULL,
cmd_set_option_exec
};
/* Look for an option in all three tables. */
int
cmd_set_option_find(
const char *optstr, const struct options_table_entry **table,
const struct options_table_entry **oe)
{
static const struct options_table_entry *tables[] = {
server_options_table,
window_options_table,
session_options_table
};
const struct options_table_entry *oe_loop;
u_int i;
for (i = 0; i < nitems(tables); i++) {
for (oe_loop = tables[i]; oe_loop->name != NULL; oe_loop++) {
if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
continue;
/* If already found, ambiguous. */
if (*oe != NULL)
return (-1);
*oe = oe_loop;
*table = tables[i];
/* Bail now if an exact match. */
if (strcmp((*oe)->name, optstr) == 0)
break;
}
}
return (0);
}
int
cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
const struct options_table_entry *table, *oe;
struct session *s;
struct winlink *wl;
struct client *c;
struct options *oo;
const char *optstr, *valstr;
u_int i;
/* Get the option name and value. */
optstr = args->argv[0];
if (*optstr == '\0') {
ctx->error(ctx, "invalid option");
return (-1);
}
if (args->argc < 2)
valstr = NULL;
else
valstr = args->argv[1];
/* Find the option entry, try each table. */
table = oe = NULL;
if (cmd_set_option_find(optstr, &table, &oe) != 0) {
ctx->error(ctx, "ambiguous option: %s", optstr);
return (-1);
}
if (oe == NULL) {
ctx->error(ctx, "unknown option: %s", optstr);
return (-1);
}
/* Work out the tree from the table. */
if (table == server_options_table)
oo = &global_options;
else if (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 (-1);
oo = &wl->window->options;
}
} else if (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 (-1);
oo = &s->options;
}
} else {
ctx->error(ctx, "unknown table");
return (-1);
}
/* Unset or set the option. */
if (args_has(args, 'u')) {
if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
return (-1);
} else {
if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
return (-1);
}
/* Update sizes and redraw. May not need it but meh. */
recalculate_sizes();
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && c->session != NULL)
server_redraw_client(c);
}
return (0);
}
/* Unset an option. */
int
cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
struct args *args = self->args;
if (args_has(args, 'g')) {
ctx->error(ctx, "can't unset global option: %s", oe->name);
return (-1);
}
if (value != NULL) {
ctx->error(ctx, "value passed to unset option: %s", oe->name);
return (-1);
}
options_remove(oo, oe->name);
ctx->info(ctx, "unset option: %s", oe->name);
return (0);
}
/* Set an option. */
int
cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
struct options_entry *o;
const char *s;
if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
ctx->error(ctx, "empty value");
return (-1);
}
o = NULL;
switch (oe->type) {
case OPTIONS_TABLE_STRING:
o = cmd_set_option_string(self, ctx, oe, oo, value);
break;
case OPTIONS_TABLE_NUMBER:
o = cmd_set_option_number(self, ctx, oe, oo, value);
break;
case OPTIONS_TABLE_KEY:
o = cmd_set_option_key(self, ctx, oe, oo, value);
break;
case OPTIONS_TABLE_COLOUR:
o = cmd_set_option_colour(self, ctx, oe, oo, value);
break;
case OPTIONS_TABLE_ATTRIBUTES:
o = cmd_set_option_attributes(self, ctx, oe, oo, value);
break;
case OPTIONS_TABLE_FLAG:
o = cmd_set_option_flag(self, ctx, oe, oo, value);
break;
case OPTIONS_TABLE_CHOICE:
o = cmd_set_option_choice(self, ctx, oe, oo, value);
break;
}
if (o == NULL)
return (-1);
s = options_table_print_entry(oe, o);
ctx->info(ctx, "set option: %s -> %s", oe->name, s);
return (0);
}
/* Set a string option. */
struct options_entry *
cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
struct args *args = self->args;
struct options_entry *o;
char *oldval, *newval;
if (args_has(args, 'a')) {
oldval = options_get_string(oo, oe->name);
xasprintf(&newval, "%s%s", oldval, value);
} else
newval = xstrdup(value);
o = options_set_string(oo, oe->name, "%s", newval);
xfree(newval);
return (o);
}
/* Set a number option. */
struct options_entry *
cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
long long ll;
const char *errstr;
ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
if (errstr != NULL) {
ctx->error(ctx, "value is %s: %s", errstr, value);
return (NULL);
}
return (options_set_number(oo, oe->name, ll));
}
/* Set a key option. */
struct options_entry *
cmd_set_option_key(unused struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
int key;
if ((key = key_string_lookup_string(value)) == KEYC_NONE) {
ctx->error(ctx, "bad key: %s", value);
return (NULL);
}
return (options_set_number(oo, oe->name, key));
}
/* Set a colour option. */
struct options_entry *
cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
int colour;
if ((colour = colour_fromstring(value)) == -1) {
ctx->error(ctx, "bad colour: %s", value);
return (NULL);
}
return (options_set_number(oo, oe->name, colour));
}
/* Set an attributes option. */
struct options_entry *
cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
int attr;
if ((attr = attributes_fromstring(value)) == -1) {
ctx->error(ctx, "bad attributes: %s", value);
return (NULL);
}
return (options_set_number(oo, oe->name, attr));
}
/* Set a flag option. */
struct options_entry *
cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
int flag;
if (value == NULL || *value == '\0')
flag = !options_get_number(oo, oe->name);
else {
if ((value[0] == '1' && value[1] == '\0') ||
strcasecmp(value, "on") == 0 ||
strcasecmp(value, "yes") == 0)
flag = 1;
else if ((value[0] == '0' && value[1] == '\0') ||
strcasecmp(value, "off") == 0 ||
strcasecmp(value, "no") == 0)
flag = 0;
else {
ctx->error(ctx, "bad value: %s", value);
return (NULL);
}
}
return (options_set_number(oo, oe->name, flag));
}
/* Set a choice option. */
struct options_entry *
cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
const struct options_table_entry *oe, struct options *oo, const char *value)
{
const char **choicep;
int n, choice = -1;
n = 0;
for (choicep = oe->choices; *choicep != NULL; choicep++) {
n++;
if (strncmp(*choicep, value, strlen(value)) != 0)
continue;
if (choice != -1) {
ctx->error(ctx, "ambiguous value: %s", value);
return (NULL);
}
choice = n - 1;
}
if (choice == -1) {
ctx->error(ctx, "unknown value: %s", value);
return (NULL);
}
return (options_set_number(oo, oe->name, choice));
}
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