owltech
Version:
This a backend for OwlTech Company
228 lines • 8.81 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/**
* @license
* Copyright 2018 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.
*
*/
var Protobuf = require("protobufjs");
var descriptor = require("protobufjs/ext/descriptor");
var fs = require("fs");
var path = require("path");
var camelCase = require("lodash.camelcase");
var descriptorOptions = {
longs: String,
enums: String,
bytes: String,
defaults: true,
oneofs: true,
json: true
};
function joinName(baseName, name) {
if (baseName === '') {
return name;
}
else {
return baseName + '.' + name;
}
}
function isHandledReflectionObject(obj) {
return obj instanceof Protobuf.Service || obj instanceof Protobuf.Type || obj instanceof Protobuf.Enum;
}
function isNamespaceBase(obj) {
return obj instanceof Protobuf.Namespace || obj instanceof Protobuf.Root;
}
function getAllHandledReflectionObjects(obj, parentName) {
var objName = joinName(parentName, obj.name);
if (isHandledReflectionObject(obj)) {
return [[objName, obj]];
}
else {
if (isNamespaceBase(obj) && typeof obj.nested !== undefined) {
return Object.keys(obj.nested).map(function (name) {
return getAllHandledReflectionObjects(obj.nested[name], objName);
}).reduce(function (accumulator, currentValue) { return accumulator.concat(currentValue); }, []);
}
}
return [];
}
function createDeserializer(cls, options) {
return function deserialize(argBuf) {
return cls.toObject(cls.decode(argBuf), options);
};
}
function createSerializer(cls) {
return function serialize(arg) {
var message = cls.fromObject(arg);
return cls.encode(message).finish();
};
}
function createMethodDefinition(method, serviceName, options) {
/* This is only ever called after the corresponding root.resolveAll(), so we
* can assume that the resolved request and response types are non-null */
var requestType = method.resolvedRequestType;
var responseType = method.resolvedResponseType;
return {
path: '/' + serviceName + '/' + method.name,
requestStream: !!method.requestStream,
responseStream: !!method.responseStream,
requestSerialize: createSerializer(requestType),
requestDeserialize: createDeserializer(requestType, options),
responseSerialize: createSerializer(responseType),
responseDeserialize: createDeserializer(responseType, options),
// TODO(murgatroid99): Find a better way to handle this
originalName: camelCase(method.name),
requestType: createMessageDefinition(requestType),
responseType: createMessageDefinition(responseType)
};
}
function createServiceDefinition(service, name, options) {
var def = {};
for (var _i = 0, _a = service.methodsArray; _i < _a.length; _i++) {
var method = _a[_i];
def[method.name] = createMethodDefinition(method, name, options);
}
return def;
}
var fileDescriptorCache = new Map();
function getFileDescriptors(root) {
if (fileDescriptorCache.has(root)) {
return fileDescriptorCache.get(root);
}
else {
var descriptorList = root.toDescriptor('proto3').file;
var bufferList = descriptorList.map(function (value) { return Buffer.from(descriptor.FileDescriptorProto.encode(value).finish()); });
fileDescriptorCache.set(root, bufferList);
return bufferList;
}
}
function createMessageDefinition(message) {
var messageDescriptor = message.toDescriptor('proto3');
return {
format: 'Protocol Buffer 3 DescriptorProto',
type: messageDescriptor.$type.toObject(messageDescriptor, descriptorOptions),
fileDescriptorProtos: getFileDescriptors(message.root)
};
}
function createEnumDefinition(enumType) {
var enumDescriptor = enumType.toDescriptor('proto3');
return {
format: 'Protocol Buffer 3 EnumDescriptorProto',
type: enumDescriptor.$type.toObject(enumDescriptor, descriptorOptions),
fileDescriptorProtos: getFileDescriptors(enumType.root)
};
}
/**
* function createDefinition(obj: Protobuf.Service, name: string, options: Options): ServiceDefinition;
* function createDefinition(obj: Protobuf.Type, name: string, options: Options): MessageTypeDefinition;
* function createDefinition(obj: Protobuf.Enum, name: string, options: Options): EnumTypeDefinition;
*/
function createDefinition(obj, name, options) {
if (obj instanceof Protobuf.Service) {
return createServiceDefinition(obj, name, options);
}
else if (obj instanceof Protobuf.Type) {
return createMessageDefinition(obj);
}
else if (obj instanceof Protobuf.Enum) {
return createEnumDefinition(obj);
}
else {
throw new Error('Type mismatch in reflection object handling');
}
}
function createPackageDefinition(root, options) {
var def = {};
root.resolveAll();
for (var _i = 0, _a = getAllHandledReflectionObjects(root, ''); _i < _a.length; _i++) {
var _b = _a[_i], name = _b[0], obj = _b[1];
def[name] = createDefinition(obj, name, options);
}
return def;
}
function addIncludePathResolver(root, includePaths) {
var originalResolvePath = root.resolvePath;
root.resolvePath = function (origin, target) {
if (path.isAbsolute(target)) {
return target;
}
for (var _i = 0, includePaths_1 = includePaths; _i < includePaths_1.length; _i++) {
var directory = includePaths_1[_i];
var fullPath = path.join(directory, target);
try {
fs.accessSync(fullPath, fs.constants.R_OK);
return fullPath;
}
catch (err) {
continue;
}
}
return originalResolvePath(origin, target);
};
}
/**
* Load a .proto file with the specified options.
* @param filename The file path to load. Can be an absolute path or relative to
* an include path.
* @param options.keepCase Preserve field names. The default is to change them
* to camel case.
* @param options.longs The type that should be used to represent `long` values.
* Valid options are `Number` and `String`. Defaults to a `Long` object type
* from a library.
* @param options.enums The type that should be used to represent `enum` values.
* The only valid option is `String`. Defaults to the numeric value.
* @param options.bytes The type that should be used to represent `bytes`
* values. Valid options are `Array` and `String`. The default is to use
* `Buffer`.
* @param options.defaults Set default values on output objects. Defaults to
* `false`.
* @param options.arrays Set empty arrays for missing array values even if
* `defaults` is `false`. Defaults to `false`.
* @param options.objects Set empty objects for missing object values even if
* `defaults` is `false`. Defaults to `false`.
* @param options.oneofs Set virtual oneof properties to the present field's
* name
* @param options.includeDirs Paths to search for imported `.proto` files.
*/
function load(filename, options) {
var root = new Protobuf.Root();
options = options || {};
if (!!options.includeDirs) {
if (!(options.includeDirs instanceof Array)) {
return Promise.reject(new Error('The includeDirs option must be an array'));
}
addIncludePathResolver(root, options.includeDirs);
}
return root.load(filename, options).then(function (loadedRoot) {
loadedRoot.resolveAll();
return createPackageDefinition(root, options);
});
}
exports.load = load;
function loadSync(filename, options) {
var root = new Protobuf.Root();
options = options || {};
if (!!options.includeDirs) {
if (!(options.includeDirs instanceof Array)) {
throw new Error('The include option must be an array');
}
addIncludePathResolver(root, options.includeDirs);
}
var loadedRoot = root.loadSync(filename, options);
loadedRoot.resolveAll();
return createPackageDefinition(root, options);
}
exports.loadSync = loadSync;
//# sourceMappingURL=index.js.map