Function fxCacheStringInfo

xs/sources/xsString.c:90–130

}

txStringInfo* fxCacheStringInfo(txMachine* the, txString string)
{
	txStringInfoCache* cache = the->stringInfoCache;
	txStringInfo* info = C_NULL;
	if (cache) {
		txInteger count = cache->count;
		txInteger head = cache->head;
		txInteger tail = cache->tail;
		txInteger i;
		i = head - 1;
		info = cache->infos + i;
		while (i >= 0) {
			if (info->string == string)
				return info;
			i--;
			info--;
		}
		i = tail - 1;
		info = cache->infos + i;
		while (i >= head) {
			if (info->string == string)
				return info;
			i--;
			info--;
		}
		if (tail < count)
			tail++;
		info = cache->infos + head;
		head++;
		if (head == count)
			head = 0;
		cache->head = head;	
		cache->tail = tail;	
		info->string = string;
		info->unicodeLength = fxUnicodeLength(string, &info->utf8Length);
		info->unicodeOffset = 0;
		info->utf8Offset = 0;
		info->ascii = (info->unicodeLength == info->utf8Length) ? 1 : 0;
	}
	return info;
}

txSize fxCacheUTF8Length(txMachine* the, txString string)
{