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base-lexer.js
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base-lexer.js
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'use strict';Object.defineProperty(exports, "__esModule", { value: true });var _extends = Object.assign || function (target) {for (var i = 1; i < arguments.length; i++) {var source = arguments[i];for (var key in source) {if (Object.prototype.hasOwnProperty.call(source, key)) {target[key] = source[key];}}}return target;};var _createClass = function () {function defineProperties(target, props) {for (var i = 0; i < props.length; i++) {var descriptor = props[i];descriptor.enumerable = descriptor.enumerable || false;descriptor.configurable = true;if ("value" in descriptor) descriptor.writable = true;Object.defineProperty(target, descriptor.key, descriptor);}}return function (Constructor, protoProps, staticProps) {if (protoProps) defineProperties(Constructor.prototype, protoProps);if (staticProps) defineProperties(Constructor, staticProps);return Constructor;};}();var _events = require('events');var _events2 = _interopRequireDefault(_events);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}function _classCallCheck(instance, Constructor) {if (!(instance instanceof Constructor)) {throw new TypeError("Cannot call a class as a function");}}function _possibleConstructorReturn(self, call) {if (!self) {throw new ReferenceError("this hasn't been initialised - super() hasn't been called");}return call && (typeof call === "object" || typeof call === "function") ? call : self;}function _inherits(subClass, superClass) {if (typeof superClass !== "function" && superClass !== null) {throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);}subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } });if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;}var
BaseLexer = function (_EventEmitter) {_inherits(BaseLexer, _EventEmitter);
function BaseLexer() {var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};_classCallCheck(this, BaseLexer);var _this = _possibleConstructorReturn(this, (BaseLexer.__proto__ || Object.getPrototypeOf(BaseLexer)).call(this));
_this.keys = [];
_this.functions = options.functions || ['t'];return _this;
}_createClass(BaseLexer, [{ key: 'populateKeysFromArguments', value: function populateKeysFromArguments(
args) {
var firstArgument = args.arguments[0];
var secondArgument = args.arguments[1];
var isKeyString = this.validateString(firstArgument);
var isDefaultValueString = this.validateString(secondArgument);
if (!isKeyString) {
this.emit('warning', 'Key is not a string litteral: ' + firstArgument);
} else
{
var result = _extends({},
args.options, {
key: firstArgument.slice(1, -1) });
if (isDefaultValueString) {
result.defaultValue = secondArgument.slice(1, -1);
}
this.keys.push(result);
}
} }, { key: 'validateString', value: function validateString(
string) {
var regex = new RegExp('^' + BaseLexer.stringPattern + '$', 'i');
return regex.test(string);
} }, { key: 'functionPattern', value: function functionPattern()
{
return '(?:' + this.functions.join('|').replace('.', '\\.') + ')';
} }], [{ key: 'singleQuotePattern', get: function get()
{
return "'(?:[^'].*?[^\\\\])?'";
} }, { key: 'doubleQuotePattern', get: function get()
{
return '"(?:[^"].*?[^\\\\])?"';
} }, { key: 'backQuotePattern', get: function get()
{
return '`(?:[^`].*?[^\\\\])?`';
} }, { key: 'variablePattern', get: function get()
{
return '(?:[A-Z0-9_.-]+)';
} }, { key: 'stringPattern', get: function get()
{
return (
'(?:' +
[
BaseLexer.singleQuotePattern,
BaseLexer.doubleQuotePattern].
join('|') +
')');
} }, { key: 'stringOrVariablePattern', get: function get()
{
return (
'(?:' +
[
BaseLexer.singleQuotePattern,
BaseLexer.doubleQuotePattern,
BaseLexer.variablePattern].
join('|') +
')');
} }]);return BaseLexer;}(_events2.default);exports.default = BaseLexer;module.exports = exports['default'];