@neo4j-cypher/editor-support/lib/highlight/CypherSyntaxHighlight.js

Core functionality to support Cypher integration into editors

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.CypherSyntaxHighlight = void 0;
var _TreeUtils = require("../util/TreeUtils");
var CypherTypes = _interopRequireWildcard(require("../lang/CypherTypes"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function traverse(element, callback) {
  if (callback(element)) {
    // found, no need to go deeper
    return;
  }
  const c = element.getChildCount();
  if (c === 0) {
    return;
  }
  for (let i = 0; i < c; i += 1) {
    traverse(element.getChild(i), callback);
  }
}
class CypherSyntaxHighlight {
  static process(parseTree, callback) {
    traverse(parseTree, e => {
      const {
        start,
        stop
      } = _TreeUtils.TreeUtils.getPosition(e) || {
        start: 0,
        stop: 0
      };
      if (start > stop) {
        return false;
      }
      if (e instanceof CypherTypes.VARIABLE_CONTEXT) {
        callback(e, "variable");
        return true;
      }
      if (e instanceof CypherTypes.NODE_LABEL_CONTEXT) {
        callback(e, "label");
        return true;
      }
      if (e instanceof CypherTypes.RELATIONSHIP_TYPE_CONTEXT || e instanceof CypherTypes.RELATIONSHIP_TYPE_OPTIONAL_COLON_CONTEXT) {
        callback(e, "relationshipType");
        return true;
      }
      if (e instanceof CypherTypes.PROPERTY_KEY_NAME_CONTEXT) {
        callback(e, "property");
        return true;
      }
      if (e instanceof CypherTypes.PROCEDURE_NAME_CONTEXT) {
        callback(e, "procedure");
        return true;
      }
      if (e instanceof CypherTypes.PROCEDURE_OUTPUT_CONTEXT) {
        callback(e, "procedureOutput");
        return true;
      }
      if (e instanceof CypherTypes.FUNCTION_NAME_CONTEXT) {
        callback(e, "function");
        return true;
      }
      if (e instanceof CypherTypes.ALL_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.REDUCE_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.FILTER_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.NONE_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.EXTRACT_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.SHORTEST_PATH_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.ALL_SHORTEST_PATH_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.SINGLE_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.EXISTS_FUNCTION_NAME_CONTEXT || e instanceof CypherTypes.ANY_FUNCTION_NAME_CONTEXT) {
        callback(e, "function");
        return true;
      }
      if (e instanceof CypherTypes.PARAMETER_CONTEXT) {
        callback(e, "parameter");
        return true;
      }
      if (e instanceof CypherTypes.CONSOLE_COMMAND_NAME_CONTEXT) {
        callback(e, "consoleCommand");
        return true;
      }
      if (e instanceof CypherTypes.CONSOLE_COMMAND_SUBCOMMAND_CONTEXT || e instanceof CypherTypes.CONSOLE_COMMAND_PATH_CONTEXT) {
        callback(e, "property");
        return true;
      }
      return false;
    });
  }
}
exports.CypherSyntaxHighlight = CypherSyntaxHighlight;