diff options
Diffstat (limited to 'src/node/src/protobuf_js_5_common.js')
-rw-r--r-- | src/node/src/protobuf_js_5_common.js | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/src/node/src/protobuf_js_5_common.js b/src/node/src/protobuf_js_5_common.js deleted file mode 100644 index 541965fd0a..0000000000 --- a/src/node/src/protobuf_js_5_common.js +++ /dev/null @@ -1,171 +0,0 @@ -/** - * @license - * Copyright 2017 gRPC authors. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -/** - * @module - * @private - */ - -'use strict'; - -var _ = require('lodash'); -var client = require('./client'); - -/** - * Get a function that deserializes a specific type of protobuf. - * @param {function()} cls The constructor of the message type to deserialize - * @param {bool=} binaryAsBase64 Deserialize bytes fields as base64 strings - * instead of Buffers. Defaults to false - * @param {bool=} longsAsStrings Deserialize long values as strings instead of - * objects. Defaults to true - * @return {function(Buffer):cls} The deserialization function - */ -exports.deserializeCls = function deserializeCls(cls, options) { - /** - * Deserialize a buffer to a message object - * @param {Buffer} arg_buf The buffer to deserialize - * @return {cls} The resulting object - */ - return function deserialize(arg_buf) { - // Convert to a native object with binary fields as Buffers (first argument) - // and longs as strings (second argument) - return cls.decode(arg_buf).toRaw(options.binaryAsBase64, - options.longsAsStrings); - }; -}; - -var deserializeCls = exports.deserializeCls; - -/** - * Get a function that serializes objects to a buffer by protobuf class. - * @param {function()} Cls The constructor of the message type to serialize - * @return {function(Cls):Buffer} The serialization function - */ -exports.serializeCls = function serializeCls(Cls) { - /** - * Serialize an object to a Buffer - * @param {Object} arg The object to serialize - * @return {Buffer} The serialized object - */ - return function serialize(arg) { - return new Buffer(new Cls(arg).encode().toBuffer()); - }; -}; - -var serializeCls = exports.serializeCls; - -/** - * Get the fully qualified (dotted) name of a ProtoBuf.Reflect value. - * @param {ProtoBuf.Reflect.Namespace} value The value to get the name of - * @return {string} The fully qualified name of the value - */ -exports.fullyQualifiedName = function fullyQualifiedName(value) { - if (value === null || value === undefined) { - return ''; - } - var name = value.name; - var parent_name = fullyQualifiedName(value.parent); - if (parent_name !== '') { - name = parent_name + '.' + name; - } - return name; -}; - -var fullyQualifiedName = exports.fullyQualifiedName; - -/** - * Return a map from method names to method attributes for the service. - * @param {ProtoBuf.Reflect.Service} service The service to get attributes for - * @param {Object=} options Options to apply to these attributes - * @return {Object} The attributes map - */ -exports.getProtobufServiceAttrs = function getProtobufServiceAttrs(service, - options) { - var prefix = '/' + fullyQualifiedName(service) + '/'; - var binaryAsBase64, longsAsStrings; - if (options) { - binaryAsBase64 = options.binaryAsBase64; - longsAsStrings = options.longsAsStrings; - } - /* This slightly awkward construction is used to make sure we only use - lodash@3.10.1-compatible functions. A previous version used - _.fromPairs, which would be cleaner, but was introduced in lodash - version 4 */ - return _.zipObject(_.map(service.children, function(method) { - return _.camelCase(method.name); - }), _.map(service.children, function(method) { - return { - originalName: method.name, - path: prefix + method.name, - requestStream: method.requestStream, - responseStream: method.responseStream, - requestType: method.resolvedRequestType, - responseType: method.resolvedResponseType, - requestSerialize: serializeCls(method.resolvedRequestType.build()), - requestDeserialize: deserializeCls(method.resolvedRequestType.build(), - options), - responseSerialize: serializeCls(method.resolvedResponseType.build()), - responseDeserialize: deserializeCls(method.resolvedResponseType.build(), - options) - }; - })); -}; - -var getProtobufServiceAttrs = exports.getProtobufServiceAttrs; - -/** - * Load a gRPC object from an existing ProtoBuf.Reflect object. - * @param {ProtoBuf.Reflect.Namespace} value The ProtoBuf object to load. - * @param {Object=} options Options to apply to the loaded object - * @return {Object<string, *>} The resulting gRPC object - */ -exports.loadObject = function loadObject(value, options) { - var result = {}; - if (!value) { - return value; - } - if (value.hasOwnProperty('ns')) { - return loadObject(value.ns, options); - } - if (value.className === 'Namespace') { - _.each(value.children, function(child) { - result[child.name] = loadObject(child, options); - }); - return result; - } else if (value.className === 'Service') { - return client.makeClientConstructor(getProtobufServiceAttrs(value, options), - options); - } else if (value.className === 'Message' || value.className === 'Enum') { - return value.build(); - } else { - return value; - } -}; - -/** - * The primary purpose of this method is to distinguish between reflection - * objects from different versions of ProtoBuf.js. This is just a heuristic, - * checking for properties that are (currently) specific to this version of - * ProtoBuf.js - * @param {Object} obj The object to check - * @return {boolean} Whether the object appears to be a Protobuf.js 5 - * ReflectionObject - */ -exports.isProbablyProtobufJs5 = function isProbablyProtobufJs5(obj) { - return _.isArray(obj.children) && (typeof obj.build === 'function'); -}; |