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For convenience, work out what type of option is being set by name

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regardless of the -s or -w flags (these remain documented however).
This commit is contained in:
Nicholas Marriott
2011-03-29 21:09:13 +00:00
parent beb6db9b5f
commit f7e9aedf10
1 changed files with 68 additions and 43 deletions
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111
cmd-set-option.c
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@@ -29,6 +29,9 @@
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 *);
@@ -78,11 +81,44 @@ const struct cmd_entry cmd_set_window_option_entry = {
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, *oe_loop;
const struct options_table_entry *table, *oe;
struct session *s;
struct winlink *wl;
struct client *c;
@@ -90,33 +126,6 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
const char *optstr, *valstr;
u_int i;
/* Work out the options tree and table to use. */
if (args_has(self->args, 's')) {
oo = &global_options;
table = server_options_table;
} else if (args_has(self->args, 'w') ||
self->entry == &cmd_set_window_option_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 (-1);
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'));
if (s == NULL)
return (-1);
oo = &s->options;
}
}
/* Get the option name and value. */
optstr = args->argv[0];
if (*optstr == '\0') {
@@ -128,27 +137,43 @@ cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
else
valstr = args->argv[1];
/* Find the option table entry. */
oe = NULL;
for (oe_loop = table; oe_loop->name != NULL; oe_loop++) {
if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
continue;
if (oe != NULL) {
ctx->error(ctx, "ambiguous option: %s", optstr);
return (-1);
}
oe = oe_loop;
/* Bail now if an exact match. */
if (strcmp(oe->name, optstr) == 0)
break;
/* 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'));
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)