Function SIValue_ToString

src/value.c:312–377

}

void SIValue_ToString(SIValue v, char **buf, size_t *bufferLen, size_t *bytesWritten) {
	// uint64 max and int64 min string representation requires 21 bytes
	// checkt for enough space
	if(*bufferLen - *bytesWritten < 64) {
		*bufferLen += 64;
		*buf = rm_realloc(*buf, sizeof(char) * *bufferLen);
	}

	switch(v.type) {
	case T_STRING:
		_SIString_ToString(v, buf, bufferLen, bytesWritten);
		break;
	case T_INT64:
		*bytesWritten += snprintf(*buf + *bytesWritten, *bufferLen, "%lld", (long long)v.longval);
		break;
	case T_BOOL:
		*bytesWritten += snprintf(*buf + *bytesWritten, *bufferLen, "%s", v.longval ? "true" : "false");
		break;
	case T_DOUBLE:
	{
		size_t n = snprintf(*buf + *bytesWritten, *bufferLen - *bytesWritten, "%f", v.doubleval);
		// check if there was enough space in the buffer
		if(*bytesWritten + n > *bufferLen) {
			// realloc the buffer
			*bufferLen = *bytesWritten + n + 1;
			*buf = rm_realloc(*buf, sizeof(char) * *bufferLen);

			// write it again
			snprintf(*buf + *bytesWritten, *bufferLen - *bytesWritten, "%f", v.doubleval);
		}
		*bytesWritten += n;
		break;
	}
	case T_NODE:
		Node_ToString(v.ptrval, buf, bufferLen, bytesWritten, ENTITY_ID);
		break;
	case T_EDGE:
		Edge_ToString(v.ptrval, buf, bufferLen, bytesWritten, ENTITY_ID);
		break;
	case T_ARRAY:
		SIArray_ToString(v, buf, bufferLen, bytesWritten);
		break;
	case T_MAP:
		Map_ToString(v, buf, bufferLen, bytesWritten);
		break;
	case T_PATH:
		SIPath_ToString(v, buf, bufferLen, bytesWritten);
		break;
	case T_NULL:
		*bytesWritten += snprintf(*buf + *bytesWritten, *bufferLen, "NULL");
		break;
	case T_PTR:
		*bytesWritten += snprintf(*buf + *bytesWritten, *bufferLen, "POINTER");
		break;
	case T_POINT:
		// max string length is 32 chars of string + 10 * 2 chars for the floats
		// = 52 bytes that already checked in the header of the function
		*bytesWritten += snprintf(*buf + *bytesWritten, *bufferLen, "point({latitude: %f, longitude: %f})", Point_lat(v), Point_lon(v));