Function SIPath_HashCode

src/datatypes/path/sipath.c:97–113

}

XXH64_hash_t SIPath_HashCode(SIValue p) {
	SIType t = SI_TYPE(p);
	XXH64_hash_t hashCode = XXH64(&t, sizeof(t), 0);
	size_t nodeCount = SIPath_NodeCount(p);
	for(size_t i = 0; i < nodeCount - 1 ; i++) {
		SIValue node = SIPath_GetNode(p, i);
		hashCode = 31 * hashCode + SIValue_HashCode(node);
		SIValue edge = SIPath_GetRelationship(p, i);
		hashCode = 31 * hashCode + SIValue_HashCode(edge);
	}
	// Handle last node.
	if(nodeCount > 0) {
		SIValue node = SIPath_GetNode(p, nodeCount - 1);
		hashCode = 31 * hashCode + SIValue_HashCode(node);
	}
	return hashCode;
}

void SIPath_ToString(SIValue p, char **buf, size_t *bufferLen, size_t *bytesWritten) {
	// 64 is defiend arbitrarily.