@neo4j-cypher/editor-support/lib/util/PositionConverter.js

Core functionality to support Cypher integration into editors

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.PositionConverter = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
class PositionConverter {
  constructor(input) {
    (0, _defineProperty2.default)(this, "newLines", []);
    for (let i = 0; i < input.length; i += 1) {
      if (input[i] === "\n") {
        this.newLines.push(i);
      }
    }
  }
  toAbsolute(line, column) {
    return (this.newLines[line - 2] || -1) + column + 1;
  }
  toRelative(abs) {
    for (let i = this.newLines.length - 1; i >= 0; i -= 1) {
      const column = abs - this.newLines[i];
      if (column >= 1) {
        return {
          line: i + 2,
          column: column - 1
        };
      }
    }
    return {
      line: 1,
      column: abs
    };
  }
}
exports.PositionConverter = PositionConverter;