int combine_level(int dest, const char *src)
{
char **list, **item;
int itemlevel;
g_return_val_if_fail(src != NULL, dest);
list = g_strsplit(src, " ", -1);
for (item = list; *item != NULL; item++) {
g_strup(*item);
itemlevel = level_get(*item + (**item == '+' || **item == '-' ? 1 : 0));
if (**item == '-')
dest &= ~(itemlevel);
else
dest |= itemlevel;
}
g_strfreev(list);
return dest;
}
int level2bits(const char *level, int *errorp)
{
char *orig, *str, *ptr;
int ret, singlelevel, negative;
if (errorp != NULL)
*errorp = FALSE;
g_return_val_if_fail(level != NULL, 0);
if (*level == '\0')
return 0;
orig = str = g_strdup(level);
ret = 0;
for (ptr = str; ; str++) {
if (*str == ' ')
*str++ = '\0';
else if (*str != '\0')
continue;
negative = *ptr == '-';
if (*ptr == '-' || *ptr == '+') ptr++;
singlelevel = level_get(ptr);
if (singlelevel != 0) {
ret = !negative ? (ret | singlelevel) :
(ret & ~singlelevel);
} else if (errorp != NULL)
*errorp = TRUE;
while (*str == ' ') str++;
if (*str == '\0') break;
ptr = str;
}
g_free(orig);
return ret;
}
int level2bits(const char *level)
{
char *orig, *str, *ptr;
int ret, slevel, neg;
g_return_val_if_fail(level != NULL, 0);
if (*level == '\0')
return 0;
orig = str = g_strdup(level);
g_strup(str);
ret = 0;
for (ptr = str; ; str++) {
if (*str == ' ')
*str++ = '\0';
else if (*str != '\0')
continue;
neg = *ptr == '-' ? 1 : 0;
if (*ptr == '-' || *ptr == '+') ptr++;
slevel = level_get(ptr);
if (slevel != 0) {
ret = !neg ? (ret | slevel) :
(ret & ~slevel);
}
while (*str == ' ') str++;
if (*str == '\0') break;
ptr = str;
}
g_free(orig);
return ret;
}
int combine_level(int dest, const char *src)
{
char **list, **item, *itemname;
int itemlevel;
g_return_val_if_fail(src != NULL, dest);
list = g_strsplit(src, " ", -1);
for (item = list; *item != NULL; item++) {
itemname = *item + (**item == '+' || **item == '-' ? 1 : 0);
itemlevel = level_get(itemname);
if (g_strcmp0(itemname, "NONE") == 0)
dest = 0;
else if (**item == '-')
dest &= ~(itemlevel);
else
dest |= itemlevel;
}
g_strfreev(list);
return dest;
}
/* Only unknown keys in `optlist' should be levels.
Returns -1 if unknown option was given. */
int cmd_options_get_level(const char *cmd, GHashTable *optlist)
{
GSList *list, *tmp, *next;
int level, retlevel;
/* get all the options, then remove the known ones. there should
be only one left - the server tag. */
list = hashtable_get_keys(optlist);
if (cmd != NULL) {
for (tmp = list; tmp != NULL; tmp = next) {
char *option = tmp->data;
next = tmp->next;
if (command_have_option(cmd, option))
list = g_slist_remove(list, option);
}
}
retlevel = 0;
while (list != NULL) {
level = level_get(list->data);
if (level == 0) {
/* unknown option */
signal_emit("error command", 2,
GINT_TO_POINTER(CMDERR_OPTION_UNKNOWN),
list->data);
retlevel = -1;
break;
}
retlevel |= level;
list = g_slist_remove(list, list->data);
}
return retlevel;
}
level_t world_get_level(world_t w)
{
return level_get(w->level_dat);
}
bool is_white(int16_t value)
{
return level_get(value) == WHITE;
}
bool is_grey(int16_t value)
{
return level_get(value) == GREY;
}
//quantises an analog value from sensor into levels defined in config.h
bool is_black(int16_t value)
{
return level_get(value) == BLACK;
}