gremlin_patch

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JSDoc: Source: process/translator.js</title> <script src="scripts/prettify/prettify.js"> </script> <script src="scripts/prettify/lang-css.js"> </script>  <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css"> <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css"> </head> <body> <div id="main"> <h1 class="page-title">Source: process/translator.js</h1> <section> <article> <pre class="prettyprint source linenums"><code>/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ 'use strict'; const Traversal = require('./traversal').Traversal; const Bytecode = require('./bytecode'); /** * Class to translate glv bytecode steps into executable Gremlin-Groovy script */ class Translator { constructor(traversalSource) { this._traversalSource = traversalSource; } getTraversalSource() { return this._traversalSource; } getTargetLanguage() { return "gremlin-groovy"; } of(traversalSource) { this._traversalSource = traversalSource; } /** * Returns a script representation of the given bytecode instructions. * @param {Object} bytecodeOrTraversal The traversal or bytecode of a traversal containing step instructions. * @returns {string} Gremlin-Groovy script */ translate(bytecodeOrTraversal, child = false) { let script = child ? "__" : this._traversalSource; const bc = bytecodeOrTraversal instanceof Bytecode ? bytecodeOrTraversal : bytecodeOrTraversal.getBytecode(); let instructions = bc.stepInstructions; // build the script from the glv instructions. for (let i = 0; i < instructions.length; i++) { const params = instructions[i].slice(1); script += '.' + instructions[i][0] + '('; if (params.length) { for (let k = 0; k < params.length; k++) { if (k > 0) { script += ', '; } if (Object(params[k]) === params[k]) { if (params[k] instanceof Traversal) { script += this.translate(params[k].getBytecode(), true); } else if (params[k].toString() === '[object Object]') { Object.keys(params[k]).forEach(function (key, index) { if (index > 0) script += ', '; script += '(\'' + key + '\', '; if (params[k][key] instanceof String || typeof params[k][key] === 'string') { script += '\'' + params[k][key] + '\''; } else { script += params[k][key]; } script += ')'; }); } else if (Array.isArray(params[k])) { const parts = []; for (const param of params[k]) { parts.push(translate(param.getBytecode(), true)); } script += parts.join(","); } else { script += params[k].toString(); } } else if (params[k] === undefined) { script += ''; } else if (typeof params[k] === 'number' || typeof params[k] === 'boolean') { script += params[k]; } else { script += '\'' + params[k] + '\''; } } } script += ')'; } return script; } } module.exports = Translator;</code></pre> </article> </section> </div> <nav> <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="AnonymousTraversalSource.html">AnonymousTraversalSource</a></li><li><a href="Authenticator.html">Authenticator</a></li><li><a href="Bytecode.html">Bytecode</a></li><li><a href="Client.html">Client</a></li><li><a href="Connection.html">Connection</a></li><li><a href="DriverRemoteConnection.html">DriverRemoteConnection</a></li><li><a href="EdgeLabelVerificationStrategy.html">EdgeLabelVerificationStrategy</a></li><li><a href="Graph.html">Graph</a></li><li><a href="GraphSON2Reader.html">GraphSON2Reader</a></li><li><a href="GraphSON2Writer.html">GraphSON2Writer</a></li><li><a href="GraphSON3Reader.html">GraphSON3Reader</a></li><li><a href="GraphSON3Writer.html">GraphSON3Writer</a></li><li><a href="GraphTraversal.html">GraphTraversal</a></li><li><a href="GraphTraversalSource.html">GraphTraversalSource</a></li><li><a href="HaltedTraverserStrategy.html">HaltedTraverserStrategy</a></li><li><a href="MatchAlgorithmStrategy.html">MatchAlgorithmStrategy</a></li><li><a href="P.html">P</a></li><li><a href="PartitionStrategy.html">PartitionStrategy</a></li><li><a href="Path.html">Path</a></li><li><a href="PlainTextSaslAuthenticator.html">PlainTextSaslAuthenticator</a></li><li><a href="RemoteConnection.html">RemoteConnection</a></li><li><a href="RemoteStrategy.html">RemoteStrategy</a></li><li><a href="RemoteTraversal.html">RemoteTraversal</a></li><li><a href="ReservedKeysVerificationStrategy.html">ReservedKeysVerificationStrategy</a></li><li><a href="ResponseError.html">ResponseError</a></li><li><a href="ResultSet.html">ResultSet</a></li><li><a href="SaslAuthenticator.html">SaslAuthenticator</a></li><li><a href="SaslMechanismBase.html">SaslMechanismBase</a></li><li><a href="SaslMechanismPlain.html">SaslMechanismPlain</a></li><li><a href="SubgraphStrategy.html">SubgraphStrategy</a></li><li><a href="TextP.html">TextP</a></li><li><a href="Transaction.html">Transaction</a></li><li><a href="Translator.html">Translator</a></li><li><a href="TraversalStrategies.html">TraversalStrategies</a></li><li><a href="TraversalStrategy.html">TraversalStrategy</a></li><li><a href="TypeSerializer.html">TypeSerializer</a></li></ul><h3>Global</h3><ul><li><a href="global.html#statics">statics</a></li></ul> </nav> <br class="clear"> <footer> Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.7</a> on Wed May 17 2023 13:49:50 GMT+0800 (China Standard Time) </footer> <script> prettyPrint(); </script> <script src="scripts/linenumber.js"> </script> </body> </html>