TypeScript node-opcua-nodeid.NodeId類代碼示例

 function n(nodeId: NodeId | null) {
     if (!nodeId || nodeId.isEmpty()) {
         return "";
     }
     const node = addressSpace.findNode(nodeId)!;
     return "\"" + nodeId.toString() +
       "\"" + chalk.yellow(" /* " + (node ? node.browseName.toString() : "???") + " */");
 }

    /**
     * turn reference into a arrow :   ---- ReferenceType --> [NodeId]
     * @method toString
     * @return {String}
     */
    public toString(options?: { addressSpace?: any }): string {

        let infoNode = _w(this.nodeId.toString(), 24);
        let refType = this.referenceType.toString();

        if (options && options.addressSpace) {
            const node = options.addressSpace.findNode(this.nodeId);
            infoNode = "[" + infoNode + "]" + _w(node.browseName.toString(), 40);

            const ref = options.addressSpace.findReferenceType(this.referenceType);
            refType += "[" + ref.nodeId.toString() + "]";
        }
        return _arrow(refType, 40, this.isForward) + infoNode;
    }

    return (objectId: NodeId, methodId: NodeId) => {
        const response = getMethodDeclaration_ArgumentList(the_address_space, objectId, methodId);

        /* istanbul ignore next */
        if (response.statusCode !== StatusCodes.Good) {
            console.log(" StatusCode  = " + response.statusCode.toString());
            throw new Error("Invalid Method " + response.statusCode.toString() +
              " ObjectId= " + objectId.toString() + "Method Id =" + methodId.toString());
        }
        const methodDeclaration = response.methodDeclaration;
        // verify input Parameters
        const methodInputArguments = methodDeclaration.getInputArguments();
        assert(_.isArray(methodInputArguments));
        return methodInputArguments;
    };

function findDataTypeNode(addressSpace: AddressSpace, encodingNodeId: NodeId): UADataType {

    const encodingNode = addressSpace.findNode(encodingNodeId)!;

    // istanbul ignore next
    if (!encodingNode) {
        throw new Error("findDataTypeNode:  Cannot find " + encodingNodeId.toString());
    }
    // xx console.log("encodingNode", encodingNode.toString());

    const refs = encodingNode.findReferences("HasEncoding", false);
    const dataTypes = refs
      .map((ref) => addressSpace.findNode(ref.nodeId))
      .filter((obj: any) => obj !== null);

    // istanbul ignore next
    if (dataTypes.length !== 1) {
        throw new Error("Internal Error");
    }

    const dataTypeNode = dataTypes[0] as UADataType;
    // istanbul ignore next
    if (dataTypeNode.nodeClass !== NodeClass.DataType) {
        throw new Error("internal error: expecting a UADataType node here");
    }
    return dataTypeNode;

}

function nodeIdInfo(
  addressSpace: AddressSpace,
  nodeId: NodeId
): string {

    const obj = addressSpace.findNode(nodeId);
    const name = obj ? obj.browseName.toString() : " <????>";
    return nodeId.toString() + " [ " + name + " ]";

}

function nodeID_encodingByte(nodeId: NodeId): number {
    if (!nodeId) {
        return 0;
    }
    assert(nodeId.hasOwnProperty("identifierType"));

    let encodingByte = 0;

    if (nodeId.identifierType === NodeIdType.NUMERIC) {
        if (isUInt8(nodeId.value as number) &&
            !nodeId.namespace &&
            !(nodeId as ExpandedNodeId).namespaceUri &&
            !(nodeId as ExpandedNodeId).serverIndex) {
            encodingByte = encodingByte | EnumNodeIdEncoding.TwoBytes;
        } else if (
            isUInt16(nodeId.value as number) &&
            isUInt8(nodeId.namespace) &&
            !(nodeId as ExpandedNodeId).namespaceUri &&
            !(nodeId as ExpandedNodeId).serverIndex
        ) {
            encodingByte = encodingByte | EnumNodeIdEncoding.FourBytes;
        } else {
            encodingByte = encodingByte | EnumNodeIdEncoding.Numeric;
        }
    } else if (nodeId.identifierType === NodeIdType.STRING) {
        encodingByte = encodingByte | EnumNodeIdEncoding.String;
    } else if (nodeId.identifierType === NodeIdType.BYTESTRING) {
        encodingByte = encodingByte | EnumNodeIdEncoding.ByteString;
    } else if (nodeId.identifierType === NodeIdType.GUID) {
        encodingByte = encodingByte | EnumNodeIdEncoding.Guid;
    }

    if (nodeId.hasOwnProperty("namespaceUri") && (nodeId as ExpandedNodeId).namespaceUri) {
        encodingByte = encodingByte | EnumNodeIdEncoding.NamespaceUriFlag;
    }
    if (nodeId.hasOwnProperty("serverIndex") && (nodeId as ExpandedNodeId).serverIndex) {
        encodingByte = encodingByte | EnumNodeIdEncoding.ServerIndexFlag;
    }
    return encodingByte;
}

function resolveDataTypeName(
  addressSpace: AddressSpacePrivate,
  dataType: string | NodeId
): QualifiedName {

    let dataTypeNode = null;
    // istanbul ignore next
    if (_.isString(dataType)) {
        dataTypeNode = addressSpace.findDataType(dataType);
    } else {
        assert(dataType instanceof NodeId);
        const o = addressSpace.findNode(dataType.toString());
        dataTypeNode = o ? o : null;
    }
    if (!dataTypeNode) {
        throw new Error("Cannot find dataTypeName " + dataType);
    }
    return dataTypeNode.browseName;
}

export function getMethodDeclaration_ArgumentList(
  addressSpace: AddressSpace,
  objectId: NodeId,
  methodId: NodeId
): any {

    assert(objectId instanceof NodeId);
    assert(methodId instanceof NodeId);
    // find object in address space
    const obj = addressSpace.findNode(objectId) as UAObject;
    if (!obj) {

        // istanbul ignore next
        if (doDebug) {
            console.warn("cannot find node ", objectId.toString());
        }
        return { statusCode: StatusCodes.BadNodeIdUnknown };
    }
    if (!obj.hasMethods) {
        return { statusCode: StatusCodes.BadNodeIdInvalid };
    }
    let objectMethod = obj.getMethodById(methodId) as UAMethod;
    if (!objectMethod) {

        // the method doesn't belong to the object, nevertheless
        // the method can be called
        objectMethod = addressSpace.findNode(methodId) as UAMethod;
        if (!objectMethod || objectMethod.nodeClass !== NodeClass.Method) {
            return { statusCode: StatusCodes.BadMethodInvalid };
        }
    }

    const methodDeclarationId = (objectMethod as any).methodDeclarationId;

    const methodDeclaration = addressSpace.findNode(methodDeclarationId);
    if (!methodDeclaration) {
        //  return {statusCode: StatusCodes.BadMethodInvalid};
        return { statusCode: StatusCodes.Good, methodDeclaration: objectMethod };
    }
    return { statusCode: StatusCodes.Good, methodDeclaration };
}

 public toString(): string {
     const str =
       "/* OpaqueStructure */ { \n" +
       "nodeId " + this.nodeId.toString() + "\n" +
       "buffer = \n" + hexDump(this.buffer) + "\n" +
       "}";
     return str;
 }

 return references.filter((r: UAReference) => r.nodeId.toString() === nodeId.toString());