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-rw-r--r--options.c1193
1 files changed, 1193 insertions, 0 deletions
diff --git a/options.c b/options.c
new file mode 100644
index 0000000..f9cf2af
--- /dev/null
+++ b/options.c
@@ -0,0 +1,1193 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * 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 <ctype.h>
+#include <fnmatch.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+/*
+ * Option handling; each option has a name, type and value and is stored in
+ * a red-black tree.
+ */
+
+struct options_array_item {
+ u_int index;
+ union options_value value;
+ RB_ENTRY(options_array_item) entry;
+};
+static int
+options_array_cmp(struct options_array_item *a1, struct options_array_item *a2)
+{
+ if (a1->index < a2->index)
+ return (-1);
+ if (a1->index > a2->index)
+ return (1);
+ return (0);
+}
+RB_GENERATE_STATIC(options_array, options_array_item, entry, options_array_cmp);
+
+struct options_entry {
+ struct options *owner;
+
+ const char *name;
+ const struct options_table_entry *tableentry;
+ union options_value value;
+
+ int cached;
+ struct style style;
+
+ RB_ENTRY(options_entry) entry;
+};
+
+struct options {
+ RB_HEAD(options_tree, options_entry) tree;
+ struct options *parent;
+};
+
+static struct options_entry *options_add(struct options *, const char *);
+static void options_remove(struct options_entry *);
+
+#define OPTIONS_IS_STRING(o) \
+ ((o)->tableentry == NULL || \
+ (o)->tableentry->type == OPTIONS_TABLE_STRING)
+#define OPTIONS_IS_NUMBER(o) \
+ ((o)->tableentry != NULL && \
+ ((o)->tableentry->type == OPTIONS_TABLE_NUMBER || \
+ (o)->tableentry->type == OPTIONS_TABLE_KEY || \
+ (o)->tableentry->type == OPTIONS_TABLE_COLOUR || \
+ (o)->tableentry->type == OPTIONS_TABLE_FLAG || \
+ (o)->tableentry->type == OPTIONS_TABLE_CHOICE))
+#define OPTIONS_IS_COMMAND(o) \
+ ((o)->tableentry != NULL && \
+ (o)->tableentry->type == OPTIONS_TABLE_COMMAND)
+
+#define OPTIONS_IS_ARRAY(o) \
+ ((o)->tableentry != NULL && \
+ ((o)->tableentry->flags & OPTIONS_TABLE_IS_ARRAY))
+
+static int options_cmp(struct options_entry *, struct options_entry *);
+RB_GENERATE_STATIC(options_tree, options_entry, entry, options_cmp);
+
+static int
+options_cmp(struct options_entry *lhs, struct options_entry *rhs)
+{
+ return (strcmp(lhs->name, rhs->name));
+}
+
+static const char *
+options_map_name(const char *name)
+{
+ const struct options_name_map *map;
+
+ for (map = options_other_names; map->from != NULL; map++) {
+ if (strcmp(map->from, name) == 0)
+ return (map->to);
+ }
+ return (name);
+}
+
+static const struct options_table_entry *
+options_parent_table_entry(struct options *oo, const char *s)
+{
+ struct options_entry *o;
+
+ if (oo->parent == NULL)
+ fatalx("no parent options for %s", s);
+ o = options_get(oo->parent, s);
+ if (o == NULL)
+ fatalx("%s not in parent options", s);
+ return (o->tableentry);
+}
+
+static void
+options_value_free(struct options_entry *o, union options_value *ov)
+{
+ if (OPTIONS_IS_STRING(o))
+ free(ov->string);
+ if (OPTIONS_IS_COMMAND(o) && ov->cmdlist != NULL)
+ cmd_list_free(ov->cmdlist);
+}
+
+static char *
+options_value_to_string(struct options_entry *o, union options_value *ov,
+ int numeric)
+{
+ char *s;
+
+ if (OPTIONS_IS_COMMAND(o))
+ return (cmd_list_print(ov->cmdlist, 0));
+ if (OPTIONS_IS_NUMBER(o)) {
+ switch (o->tableentry->type) {
+ case OPTIONS_TABLE_NUMBER:
+ xasprintf(&s, "%lld", ov->number);
+ break;
+ case OPTIONS_TABLE_KEY:
+ s = xstrdup(key_string_lookup_key(ov->number, 0));
+ break;
+ case OPTIONS_TABLE_COLOUR:
+ s = xstrdup(colour_tostring(ov->number));
+ break;
+ case OPTIONS_TABLE_FLAG:
+ if (numeric)
+ xasprintf(&s, "%lld", ov->number);
+ else
+ s = xstrdup(ov->number ? "on" : "off");
+ break;
+ case OPTIONS_TABLE_CHOICE:
+ s = xstrdup(o->tableentry->choices[ov->number]);
+ break;
+ default:
+ fatalx("not a number option type");
+ }
+ return (s);
+ }
+ if (OPTIONS_IS_STRING(o))
+ return (xstrdup(ov->string));
+ return (xstrdup(""));
+}
+
+struct options *
+options_create(struct options *parent)
+{
+ struct options *oo;
+
+ oo = xcalloc(1, sizeof *oo);
+ RB_INIT(&oo->tree);
+ oo->parent = parent;
+ return (oo);
+}
+
+void
+options_free(struct options *oo)
+{
+ struct options_entry *o, *tmp;
+
+ RB_FOREACH_SAFE(o, options_tree, &oo->tree, tmp)
+ options_remove(o);
+ free(oo);
+}
+
+struct options *
+options_get_parent(struct options *oo)
+{
+ return (oo->parent);
+}
+
+void
+options_set_parent(struct options *oo, struct options *parent)
+{
+ oo->parent = parent;
+}
+
+struct options_entry *
+options_first(struct options *oo)
+{
+ return (RB_MIN(options_tree, &oo->tree));
+}
+
+struct options_entry *
+options_next(struct options_entry *o)
+{
+ return (RB_NEXT(options_tree, &oo->tree, o));
+}
+
+struct options_entry *
+options_get_only(struct options *oo, const char *name)
+{
+ struct options_entry o = { .name = name }, *found;
+
+ found = RB_FIND(options_tree, &oo->tree, &o);
+ if (found == NULL) {
+ o.name = options_map_name(name);
+ return (RB_FIND(options_tree, &oo->tree, &o));
+ }
+ return (found);
+}
+
+struct options_entry *
+options_get(struct options *oo, const char *name)
+{
+ struct options_entry *o;
+
+ o = options_get_only(oo, name);
+ while (o == NULL) {
+ oo = oo->parent;
+ if (oo == NULL)
+ break;
+ o = options_get_only(oo, name);
+ }
+ return (o);
+}
+
+struct options_entry *
+options_empty(struct options *oo, const struct options_table_entry *oe)
+{
+ struct options_entry *o;
+
+ o = options_add(oo, oe->name);
+ o->tableentry = oe;
+
+ if (oe->flags & OPTIONS_TABLE_IS_ARRAY)
+ RB_INIT(&o->value.array);
+
+ return (o);
+}
+
+struct options_entry *
+options_default(struct options *oo, const struct options_table_entry *oe)
+{
+ struct options_entry *o;
+ union options_value *ov;
+ u_int i;
+
+ o = options_empty(oo, oe);
+ ov = &o->value;
+
+ if (oe->flags & OPTIONS_TABLE_IS_ARRAY) {
+ if (oe->default_arr == NULL) {
+ options_array_assign(o, oe->default_str, NULL);
+ return (o);
+ }
+ for (i = 0; oe->default_arr[i] != NULL; i++)
+ options_array_set(o, i, oe->default_arr[i], 0, NULL);
+ return (o);
+ }
+
+ switch (oe->type) {
+ case OPTIONS_TABLE_STRING:
+ ov->string = xstrdup(oe->default_str);
+ break;
+ default:
+ ov->number = oe->default_num;
+ break;
+ }
+ return (o);
+}
+
+char *
+options_default_to_string(const struct options_table_entry *oe)
+{
+ char *s;
+
+ switch (oe->type) {
+ case OPTIONS_TABLE_STRING:
+ case OPTIONS_TABLE_COMMAND:
+ s = xstrdup(oe->default_str);
+ break;
+ case OPTIONS_TABLE_NUMBER:
+ xasprintf(&s, "%lld", oe->default_num);
+ break;
+ case OPTIONS_TABLE_KEY:
+ s = xstrdup(key_string_lookup_key(oe->default_num, 0));
+ break;
+ case OPTIONS_TABLE_COLOUR:
+ s = xstrdup(colour_tostring(oe->default_num));
+ break;
+ case OPTIONS_TABLE_FLAG:
+ s = xstrdup(oe->default_num ? "on" : "off");
+ break;
+ case OPTIONS_TABLE_CHOICE:
+ s = xstrdup(oe->choices[oe->default_num]);
+ break;
+ default:
+ fatalx("unknown option type");
+ }
+ return (s);
+}
+
+static struct options_entry *
+options_add(struct options *oo, const char *name)
+{
+ struct options_entry *o;
+
+ o = options_get_only(oo, name);
+ if (o != NULL)
+ options_remove(o);
+
+ o = xcalloc(1, sizeof *o);
+ o->owner = oo;
+ o->name = xstrdup(name);
+
+ RB_INSERT(options_tree, &oo->tree, o);
+ return (o);
+}
+
+static void
+options_remove(struct options_entry *o)
+{
+ struct options *oo = o->owner;
+
+ if (OPTIONS_IS_ARRAY(o))
+ options_array_clear(o);
+ else
+ options_value_free(o, &o->value);
+ RB_REMOVE(options_tree, &oo->tree, o);
+ free((void *)o->name);
+ free(o);
+}
+
+const char *
+options_name(struct options_entry *o)
+{
+ return (o->name);
+}
+
+struct options *
+options_owner(struct options_entry *o)
+{
+ return (o->owner);
+}
+
+const struct options_table_entry *
+options_table_entry(struct options_entry *o)
+{
+ return (o->tableentry);
+}
+
+static struct options_array_item *
+options_array_item(struct options_entry *o, u_int idx)
+{
+ struct options_array_item a;
+
+ a.index = idx;
+ return (RB_FIND(options_array, &o->value.array, &a));
+}
+
+static struct options_array_item *
+options_array_new(struct options_entry *o, u_int idx)
+{
+ struct options_array_item *a;
+
+ a = xcalloc(1, sizeof *a);
+ a->index = idx;
+ RB_INSERT(options_array, &o->value.array, a);
+ return (a);
+}
+
+static void
+options_array_free(struct options_entry *o, struct options_array_item *a)
+{
+ options_value_free(o, &a->value);
+ RB_REMOVE(options_array, &o->value.array, a);
+ free(a);
+}
+
+void
+options_array_clear(struct options_entry *o)
+{
+ struct options_array_item *a, *a1;
+
+ if (!OPTIONS_IS_ARRAY(o))
+ return;
+
+ RB_FOREACH_SAFE(a, options_array, &o->value.array, a1)
+ options_array_free(o, a);
+}
+
+union options_value *
+options_array_get(struct options_entry *o, u_int idx)
+{
+ struct options_array_item *a;
+
+ if (!OPTIONS_IS_ARRAY(o))
+ return (NULL);
+ a = options_array_item(o, idx);
+ if (a == NULL)
+ return (NULL);
+ return (&a->value);
+}
+
+int
+options_array_set(struct options_entry *o, u_int idx, const char *value,
+ int append, char **cause)
+{
+ struct options_array_item *a;
+ char *new;
+ struct cmd_parse_result *pr;
+ long long number;
+
+ if (!OPTIONS_IS_ARRAY(o)) {
+ if (cause != NULL)
+ *cause = xstrdup("not an array");
+ return (-1);
+ }
+
+ if (value == NULL) {
+ a = options_array_item(o, idx);
+ if (a != NULL)
+ options_array_free(o, a);
+ return (0);
+ }
+
+ if (OPTIONS_IS_COMMAND(o)) {
+ pr = cmd_parse_from_string(value, NULL);
+ switch (pr->status) {
+ case CMD_PARSE_ERROR:
+ if (cause != NULL)
+ *cause = pr->error;
+ else
+ free(pr->error);
+ return (-1);
+ case CMD_PARSE_SUCCESS:
+ break;
+ }
+
+ a = options_array_item(o, idx);
+ if (a == NULL)
+ a = options_array_new(o, idx);
+ else
+ options_value_free(o, &a->value);
+ a->value.cmdlist = pr->cmdlist;
+ return (0);
+ }
+
+ if (OPTIONS_IS_STRING(o)) {
+ a = options_array_item(o, idx);
+ if (a != NULL && append)
+ xasprintf(&new, "%s%s", a->value.string, value);
+ else
+ new = xstrdup(value);
+ if (a == NULL)
+ a = options_array_new(o, idx);
+ else
+ options_value_free(o, &a->value);
+ a->value.string = new;
+ return (0);
+ }
+
+ if (o->tableentry->type == OPTIONS_TABLE_COLOUR) {
+ if ((number = colour_fromstring(value)) == -1) {
+ xasprintf(cause, "bad colour: %s", value);
+ return (-1);
+ }
+ a = options_array_item(o, idx);
+ if (a == NULL)
+ a = options_array_new(o, idx);
+ else
+ options_value_free(o, &a->value);
+ a->value.number = number;
+ return (0);
+ }
+
+ if (cause != NULL)
+ *cause = xstrdup("wrong array type");
+ return (-1);
+}
+
+int
+options_array_assign(struct options_entry *o, const char *s, char **cause)
+{
+ const char *separator;
+ char *copy, *next, *string;
+ u_int i;
+
+ separator = o->tableentry->separator;
+ if (separator == NULL)
+ separator = " ,";
+ if (*separator == '\0') {
+ if (*s == '\0')
+ return (0);
+ for (i = 0; i < UINT_MAX; i++) {
+ if (options_array_item(o, i) == NULL)
+ break;
+ }
+ return (options_array_set(o, i, s, 0, cause));
+ }
+
+ if (*s == '\0')
+ return (0);
+ copy = string = xstrdup(s);
+ while ((next = strsep(&string, separator)) != NULL) {
+ if (*next == '\0')
+ continue;
+ for (i = 0; i < UINT_MAX; i++) {
+ if (options_array_item(o, i) == NULL)
+ break;
+ }
+ if (i == UINT_MAX)
+ break;
+ if (options_array_set(o, i, next, 0, cause) != 0) {
+ free(copy);
+ return (-1);
+ }
+ }
+ free(copy);
+ return (0);
+}
+
+struct options_array_item *
+options_array_first(struct options_entry *o)
+{
+ if (!OPTIONS_IS_ARRAY(o))
+ return (NULL);
+ return (RB_MIN(options_array, &o->value.array));
+}
+
+struct options_array_item *
+options_array_next(struct options_array_item *a)
+{
+ return (RB_NEXT(options_array, &o->value.array, a));
+}
+
+u_int
+options_array_item_index(struct options_array_item *a)
+{
+ return (a->index);
+}
+
+union options_value *
+options_array_item_value(struct options_array_item *a)
+{
+ return (&a->value);
+}
+
+int
+options_is_array(struct options_entry *o)
+{
+ return (OPTIONS_IS_ARRAY(o));
+}
+
+int
+options_is_string(struct options_entry *o)
+{
+ return (OPTIONS_IS_STRING(o));
+}
+
+char *
+options_to_string(struct options_entry *o, int idx, int numeric)
+{
+ struct options_array_item *a;
+
+ if (OPTIONS_IS_ARRAY(o)) {
+ if (idx == -1)
+ return (xstrdup(""));
+ a = options_array_item(o, idx);
+ if (a == NULL)
+ return (xstrdup(""));
+ return (options_value_to_string(o, &a->value, numeric));
+ }
+ return (options_value_to_string(o, &o->value, numeric));
+}
+
+char *
+options_parse(const char *name, int *idx)
+{
+ char *copy, *cp, *end;
+
+ if (*name == '\0')
+ return (NULL);
+ copy = xstrdup(name);
+ if ((cp = strchr(copy, '[')) == NULL) {
+ *idx = -1;
+ return (copy);
+ }
+ end = strchr(cp + 1, ']');
+ if (end == NULL || end[1] != '\0' || !isdigit((u_char)end[-1])) {
+ free(copy);
+ return (NULL);
+ }
+ if (sscanf(cp, "[%d]", idx) != 1 || *idx < 0) {
+ free(copy);
+ return (NULL);
+ }
+ *cp = '\0';
+ return (copy);
+}
+
+struct options_entry *
+options_parse_get(struct options *oo, const char *s, int *idx, int only)
+{
+ struct options_entry *o;
+ char *name;
+
+ name = options_parse(s, idx);
+ if (name == NULL)
+ return (NULL);
+ if (only)
+ o = options_get_only(oo, name);
+ else
+ o = options_get(oo, name);
+ free(name);
+ return (o);
+}
+
+char *
+options_match(const char *s, int *idx, int *ambiguous)
+{
+ const struct options_table_entry *oe, *found;
+ char *parsed;
+ const char *name;
+ size_t namelen;
+
+ parsed = options_parse(s, idx);
+ if (parsed == NULL)
+ return (NULL);
+ if (*parsed == '@') {
+ *ambiguous = 0;
+ return (parsed);
+ }
+
+ name = options_map_name(parsed);
+ namelen = strlen(name);
+
+ found = NULL;
+ for (oe = options_table; oe->name != NULL; oe++) {
+ if (strcmp(oe->name, name) == 0) {
+ found = oe;
+ break;
+ }
+ if (strncmp(oe->name, name, namelen) == 0) {
+ if (found != NULL) {
+ *ambiguous = 1;
+ free(parsed);
+ return (NULL);
+ }
+ found = oe;
+ }
+ }
+ free(parsed);
+ if (found == NULL) {
+ *ambiguous = 0;
+ return (NULL);
+ }
+ return (xstrdup(found->name));
+}
+
+struct options_entry *
+options_match_get(struct options *oo, const char *s, int *idx, int only,
+ int *ambiguous)
+{
+ char *name;
+ struct options_entry *o;
+
+ name = options_match(s, idx, ambiguous);
+ if (name == NULL)
+ return (NULL);
+ *ambiguous = 0;
+ if (only)
+ o = options_get_only(oo, name);
+ else
+ o = options_get(oo, name);
+ free(name);
+ return (o);
+}
+
+const char *
+options_get_string(struct options *oo, const char *name)
+{
+ struct options_entry *o;
+
+ o = options_get(oo, name);
+ if (o == NULL)
+ fatalx("missing option %s", name);
+ if (!OPTIONS_IS_STRING(o))
+ fatalx("option %s is not a string", name);
+ return (o->value.string);
+}
+
+long long
+options_get_number(struct options *oo, const char *name)
+{
+ struct options_entry *o;
+
+ o = options_get(oo, name);
+ if (o == NULL)
+ fatalx("missing option %s", name);
+ if (!OPTIONS_IS_NUMBER(o))
+ fatalx("option %s is not a number", name);
+ return (o->value.number);
+}
+
+struct options_entry *
+options_set_string(struct options *oo, const char *name, int append,
+ const char *fmt, ...)
+{
+ struct options_entry *o;
+ va_list ap;
+ const char *separator = "";
+ char *s, *value;
+
+ va_start(ap, fmt);
+ xvasprintf(&s, fmt, ap);
+ va_end(ap);
+
+ o = options_get_only(oo, name);
+ if (o != NULL && append && OPTIONS_IS_STRING(o)) {
+ if (*name != '@') {
+ separator = o->tableentry->separator;
+ if (separator == NULL)
+ separator = "";
+ }
+ xasprintf(&value, "%s%s%s", o->value.string, separator, s);
+ free(s);
+ } else
+ value = s;
+ if (o == NULL && *name == '@')
+ o = options_add(oo, name);
+ else if (o == NULL) {
+ o = options_default(oo, options_parent_table_entry(oo, name));
+ if (o == NULL)
+ return (NULL);
+ }
+
+ if (!OPTIONS_IS_STRING(o))
+ fatalx("option %s is not a string", name);
+ free(o->value.string);
+ o->value.string = value;
+ o->cached = 0;
+ return (o);
+}
+
+struct options_entry *
+options_set_number(struct options *oo, const char *name, long long value)
+{
+ struct options_entry *o;
+
+ if (*name == '@')
+ fatalx("user option %s must be a string", name);
+
+ o = options_get_only(oo, name);
+ if (o == NULL) {
+ o = options_default(oo, options_parent_table_entry(oo, name));
+ if (o == NULL)
+ return (NULL);
+ }
+
+ if (!OPTIONS_IS_NUMBER(o))
+ fatalx("option %s is not a number", name);
+ o->value.number = value;
+ return (o);
+}
+
+int
+options_scope_from_name(struct args *args, int window,
+ const char *name, struct cmd_find_state *fs, struct options **oo,
+ char **cause)
+{
+ struct session *s = fs->s;
+ struct winlink *wl = fs->wl;
+ struct window_pane *wp = fs->wp;
+ const char *target = args_get(args, 't');
+ const struct options_table_entry *oe;
+ int scope = OPTIONS_TABLE_NONE;
+
+ if (*name == '@')
+ return (options_scope_from_flags(args, window, fs, oo, cause));
+
+ for (oe = options_table; oe->name != NULL; oe++) {
+ if (strcmp(oe->name, name) == 0)
+ break;
+ }
+ if (oe->name == NULL) {
+ xasprintf(cause, "unknown option: %s", name);
+ return (OPTIONS_TABLE_NONE);
+ }
+ switch (oe->scope) {
+ case OPTIONS_TABLE_SERVER:
+ *oo = global_options;
+ scope = OPTIONS_TABLE_SERVER;
+ break;
+ case OPTIONS_TABLE_SESSION:
+ if (args_has(args, 'g')) {
+ *oo = global_s_options;
+ scope = OPTIONS_TABLE_SESSION;
+ } else if (s == NULL && target != NULL)
+ xasprintf(cause, "no such session: %s", target);
+ else if (s == NULL)
+ xasprintf(cause, "no current session");
+ else {
+ *oo = s->options;
+ scope = OPTIONS_TABLE_SESSION;
+ }
+ break;
+ case OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE:
+ if (args_has(args, 'p')) {
+ if (wp == NULL && target != NULL)
+ xasprintf(cause, "no such pane: %s", target);
+ else if (wp == NULL)
+ xasprintf(cause, "no current pane");
+ else {
+ *oo = wp->options;
+ scope = OPTIONS_TABLE_PANE;
+ }
+ break;
+ }
+ /* FALLTHROUGH */
+ case OPTIONS_TABLE_WINDOW:
+ if (args_has(args, 'g')) {
+ *oo = global_w_options;
+ scope = OPTIONS_TABLE_WINDOW;
+ } else if (wl == NULL && target != NULL)
+ xasprintf(cause, "no such window: %s", target);
+ else if (wl == NULL)
+ xasprintf(cause, "no current window");
+ else {
+ *oo = wl->window->options;
+ scope = OPTIONS_TABLE_WINDOW;
+ }
+ break;
+ }
+ return (scope);
+}
+
+int
+options_scope_from_flags(struct args *args, int window,
+ struct cmd_find_state *fs, struct options **oo, char **cause)
+{
+ struct session *s = fs->s;
+ struct winlink *wl = fs->wl;
+ struct window_pane *wp = fs->wp;
+ const char *target = args_get(args, 't');
+
+ if (args_has(args, 's')) {
+ *oo = global_options;
+ return (OPTIONS_TABLE_SERVER);
+ }
+
+ if (args_has(args, 'p')) {
+ if (wp == NULL) {
+ if (target != NULL)
+ xasprintf(cause, "no such pane: %s", target);
+ else
+ xasprintf(cause, "no current pane");
+ return (OPTIONS_TABLE_NONE);
+ }
+ *oo = wp->options;
+ return (OPTIONS_TABLE_PANE);
+ } else if (window || args_has(args, 'w')) {
+ if (args_has(args, 'g')) {
+ *oo = global_w_options;
+ return (OPTIONS_TABLE_WINDOW);
+ }
+ if (wl == NULL) {
+ if (target != NULL)
+ xasprintf(cause, "no such window: %s", target);
+ else
+ xasprintf(cause, "no current window");
+ return (OPTIONS_TABLE_NONE);
+ }
+ *oo = wl->window->options;
+ return (OPTIONS_TABLE_WINDOW);
+ } else {
+ if (args_has(args, 'g')) {
+ *oo = global_s_options;
+ return (OPTIONS_TABLE_SESSION);
+ }
+ if (s == NULL) {
+ if (target != NULL)
+ xasprintf(cause, "no such session: %s", target);
+ else
+ xasprintf(cause, "no current session");
+ return (OPTIONS_TABLE_NONE);
+ }
+ *oo = s->options;
+ return (OPTIONS_TABLE_SESSION);
+ }
+}
+
+struct style *
+options_string_to_style(struct options *oo, const char *name,
+ struct format_tree *ft)
+{
+ struct options_entry *o;
+ const char *s;
+ char *expanded;
+
+ o = options_get(oo, name);
+ if (o == NULL || !OPTIONS_IS_STRING(o))
+ return (NULL);
+
+ if (o->cached)
+ return (&o->style);
+ s = o->value.string;
+ log_debug("%s: %s is '%s'", __func__, name, s);
+
+ style_set(&o->style, &grid_default_cell);
+ o->cached = (strstr(s, "#{") == NULL);
+
+ if (ft != NULL && !o->cached) {
+ expanded = format_expand(ft, s);
+ if (style_parse(&o->style, &grid_default_cell, expanded) != 0) {
+ free(expanded);
+ return (NULL);
+ }
+ free(expanded);
+ } else {
+ if (style_parse(&o->style, &grid_default_cell, s) != 0)
+ return (NULL);
+ }
+ return (&o->style);
+}
+
+static int
+options_from_string_check(const struct options_table_entry *oe,
+ const char *value, char **cause)
+{
+ struct style sy;
+
+ if (oe == NULL)
+ return (0);
+ if (strcmp(oe->name, "default-shell") == 0 && !checkshell(value)) {
+ xasprintf(cause, "not a suitable shell: %s", value);
+ return (-1);
+ }
+ if (oe->pattern != NULL && fnmatch(oe->pattern, value, 0) != 0) {
+ xasprintf(cause, "value is invalid: %s", value);
+ return (-1);
+ }
+ if ((oe->flags & OPTIONS_TABLE_IS_STYLE) &&
+ strstr(value, "#{") == NULL &&
+ style_parse(&sy, &grid_default_cell, value) != 0) {
+ xasprintf(cause, "invalid style: %s", value);
+ return (-1);
+ }
+ return (0);
+}
+
+static int
+options_from_string_flag(struct options *oo, const char *name,
+ const char *value, char **cause)
+{
+ int flag;
+
+ if (value == NULL || *value == '\0')
+ flag = !options_get_number(oo, name);
+ else if (strcmp(value, "1") == 0 ||
+ strcasecmp(value, "on") == 0 ||
+ strcasecmp(value, "yes") == 0)
+ flag = 1;
+ else if (strcmp(value, "0") == 0 ||
+ strcasecmp(value, "off") == 0 ||
+ strcasecmp(value, "no") == 0)
+ flag = 0;
+ else {
+ xasprintf(cause, "bad value: %s", value);
+ return (-1);
+ }
+ options_set_number(oo, name, flag);
+ return (0);
+}
+
+int
+options_find_choice(const struct options_table_entry *oe, const char *value,
+ char **cause)
+{
+ const char **cp;
+ int n = 0, choice = -1;
+
+ for (cp = oe->choices; *cp != NULL; cp++) {
+ if (strcmp(*cp, value) == 0)
+ choice = n;
+ n++;
+ }
+ if (choice == -1) {
+ xasprintf(cause, "unknown value: %s", value);
+ return (-1);
+ }
+ return (choice);
+}
+
+static int
+options_from_string_choice(const struct options_table_entry *oe,
+ struct options *oo, const char *name, const char *value, char **cause)
+{
+ int choice = -1;
+
+ if (value == NULL) {
+ choice = options_get_number(oo, name);
+ if (choice < 2)
+ choice = !choice;
+ } else {
+ choice = options_find_choice(oe, value, cause);
+ if (choice < 0)
+ return (-1);
+ }
+ options_set_number(oo, name, choice);
+ return (0);
+}
+
+int
+options_from_string(struct options *oo, const struct options_table_entry *oe,
+ const char *name, const char *value, int append, char **cause)
+{
+ enum options_table_type type;
+ long long number;
+ const char *errstr, *new;
+ char *old;
+ key_code key;
+
+ if (oe != NULL) {
+ if (value == NULL &&
+ oe->type != OPTIONS_TABLE_FLAG &&
+ oe->type != OPTIONS_TABLE_CHOICE) {
+ xasprintf(cause, "empty value");
+ return (-1);
+ }
+ type = oe->type;
+ } else {
+ if (*name != '@') {
+ xasprintf(cause, "bad option name");
+ return (-1);
+ }
+ type = OPTIONS_TABLE_STRING;
+ }
+
+ switch (type) {
+ case OPTIONS_TABLE_STRING:
+ old = xstrdup(options_get_string(oo, name));
+ options_set_string(oo, name, append, "%s", value);
+
+ new = options_get_string(oo, name);
+ if (options_from_string_check(oe, new, cause) != 0) {
+ options_set_string(oo, name, 0, "%s", old);
+ free(old);
+ return (-1);
+ }
+ free(old);
+ return (0);
+ case OPTIONS_TABLE_NUMBER:
+ number = strtonum(value, oe->minimum, oe->maximum, &errstr);
+ if (errstr != NULL) {
+ xasprintf(cause, "value is %s: %s", errstr, value);
+ return (-1);
+ }
+ options_set_number(oo, name, number);
+ return (0);
+ case OPTIONS_TABLE_KEY:
+ key = key_string_lookup_string(value);
+ if (key == KEYC_UNKNOWN) {
+ xasprintf(cause, "bad key: %s", value);
+ return (-1);
+ }
+ options_set_number(oo, name, key);
+ return (0);
+ case OPTIONS_TABLE_COLOUR:
+ if ((number = colour_fromstring(value)) == -1) {
+ xasprintf(cause, "bad colour: %s", value);
+ return (-1);
+ }
+ options_set_number(oo, name, number);
+ return (0);
+ case OPTIONS_TABLE_FLAG:
+ return (options_from_string_flag(oo, name, value, cause));
+ case OPTIONS_TABLE_CHOICE:
+ return (options_from_string_choice(oe, oo, name, value, cause));
+ case OPTIONS_TABLE_COMMAND:
+ break;
+ }
+ return (-1);
+}
+
+void
+options_push_changes(const char *name)
+{
+ struct client *loop;
+ struct session *s;
+ struct window *w;
+ struct window_pane *wp;
+ int c;
+
+ log_debug("%s: %s", __func__, name);
+
+ if (strcmp(name, "automatic-rename") == 0) {
+ RB_FOREACH(w, windows, &windows) {
+ if (w->active == NULL)
+ continue;
+ if (options_get_number(w->options, name))
+ w->active->flags |= PANE_CHANGED;
+ }
+ }
+ if (strcmp(name, "cursor-colour") == 0) {
+ RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
+ c = options_get_number(wp->options, name);
+ wp->screen->default_ccolour = c;
+ }
+ }
+ if (strcmp(name, "cursor-style") == 0) {
+ RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
+ wp->screen->default_mode = 0;
+ screen_set_cursor_style(options_get_number(wp->options,
+ name), &wp->screen->default_cstyle,
+ &wp->screen->default_mode);
+ }
+ }
+ if (strcmp(name, "fill-character") == 0) {
+ RB_FOREACH(w, windows, &windows)
+ window_set_fill_character(w);
+ }
+ if (strcmp(name, "key-table") == 0) {
+ TAILQ_FOREACH(loop, &clients, entry)
+ server_client_set_key_table(loop, NULL);
+ }
+ if (strcmp(name, "user-keys") == 0) {
+ TAILQ_FOREACH(loop, &clients, entry) {
+ if (loop->tty.flags & TTY_OPENED)
+ tty_keys_build(&loop->tty);
+ }
+ }
+ if (strcmp(name, "status") == 0 ||
+ strcmp(name, "status-interval") == 0)
+ status_timer_start_all();
+ if (strcmp(name, "monitor-silence") == 0)
+ alerts_reset_all();
+ if (strcmp(name, "window-style") == 0 ||
+ strcmp(name, "window-active-style") == 0) {
+ RB_FOREACH(wp, window_pane_tree, &all_window_panes)
+ wp->flags |= PANE_STYLECHANGED;
+ }
+ if (strcmp(name, "pane-colours") == 0) {
+ RB_FOREACH(wp, window_pane_tree, &all_window_panes)
+ colour_palette_from_option(&wp->palette, wp->options);
+ }
+ if (strcmp(name, "pane-border-status") == 0) {
+ RB_FOREACH(w, windows, &windows)
+ layout_fix_panes(w, NULL);
+ }
+ RB_FOREACH(s, sessions, &sessions)
+ status_update_cache(s);
+
+ recalculate_sizes();
+ TAILQ_FOREACH(loop, &clients, entry) {
+ if (loop->session != NULL)
+ server_redraw_client(loop);
+ }
+}
+
+int
+options_remove_or_default(struct options_entry *o, int idx, char **cause)
+{
+ struct options *oo = o->owner;
+
+ if (idx == -1) {
+ if (o->tableentry != NULL &&
+ (oo == global_options ||
+ oo == global_s_options ||
+ oo == global_w_options))
+ options_default(oo, o->tableentry);
+ else
+ options_remove(o);
+ } else if (options_array_set(o, idx, NULL, 0, cause) != 0)
+ return (-1);
+ return (0);
+}