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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Tokenizr = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(_dereq_,module,exports){ |
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"use strict"; |
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function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); } |
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function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); } |
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function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } |
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7
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); } |
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function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); } |
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function _construct(t, e, r) { if (_isNativeReflectConstruct()) return Reflect.construct.apply(null, arguments); var o = [null]; o.push.apply(o, e); var p = new (t.bind.apply(t, o))(); return r && _setPrototypeOf(p, r.prototype), p; } |
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function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); } |
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function _isNativeFunction(fn) { try { return Function.toString.call(fn).indexOf("[native code]") !== -1; } catch (e) { return typeof fn === "function"; } } |
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function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } |
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function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } |
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function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); } |
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } |
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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, _toPropertyKey(descriptor.key), descriptor); } } |
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; } |
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; } |
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function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } |
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/* |
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** Tokenizr -- String Tokenization Library |
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** Copyright (c) 2015-2024 Dr. Ralf S. Engelschall <[email protected]> |
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** |
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** Permission is hereby granted, free of charge, to any person obtaining |
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** a copy of this software and associated documentation files (the |
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** "Software"), to deal in the Software without restriction, including |
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** without limitation the rights to use, copy, modify, merge, publish, |
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** distribute, sublicense, and/or sell copies of the Software, and to |
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** permit persons to whom the Software is furnished to do so, subject to |
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** the following conditions: |
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** |
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** The above copyright notice and this permission notice shall be included |
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** in all copies or substantial portions of the Software. |
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** |
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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*/ |
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/* utility function: create a source excerpt */ |
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var excerpt = function excerpt(txt, o) { |
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var l = txt.length; |
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var b = o - 20; |
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if (b < 0) b = 0; |
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var e = o + 20; |
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if (e > l) e = l; |
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var hex = function hex(ch) { |
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return ch.charCodeAt(0).toString(16).toUpperCase(); |
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}; |
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var extract = function extract(txt, pos, len) { |
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return txt.substr(pos, len).replace(/\\/g, "\\\\").replace(/\x08/g, "\\b").replace(/\t/g, "\\t").replace(/\n/g, "\\n").replace(/\f/g, "\\f").replace(/\r/g, "\\r").replace(/[\x00-\x07\x0B\x0E\x0F]/g, function (ch) { |
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return "\\x0" + hex(ch); |
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}).replace(/[\x10-\x1F\x80-\xFF]/g, function (ch) { |
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return "\\x" + hex(ch); |
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}).replace(/[\u0100-\u0FFF]/g, function (ch) { |
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return "\\u0" + hex(ch); |
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}).replace(/[\u1000-\uFFFF]/g, function (ch) { |
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return "\\u" + hex(ch); |
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}); |
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}; |
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return { |
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prologTrunc: b > 0, |
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prologText: extract(txt, b, o - b), |
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tokenText: extract(txt, o, 1), |
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epilogText: extract(txt, o + 1, e - (o + 1)), |
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epilogTrunc: e < l |
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}; |
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}; |
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/* internal helper class for token representation */ |
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var Token = /*#__PURE__*/function () { |
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function Token(type, value, text) { |
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var pos = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0; |
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var line = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0; |
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var column = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0; |
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_classCallCheck(this, Token); |
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this.type = type; |
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this.value = value; |
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this.text = text; |
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this.pos = pos; |
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this.line = line; |
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this.column = column; |
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} |
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return _createClass(Token, [{ |
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key: "toString", |
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value: function toString() { |
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var colorize = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : function (type, text) { |
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return text; |
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}; |
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return "".concat(colorize("type", this.type), " ") + "(value: ".concat(colorize("value", JSON.stringify(this.value)), ", ") + "text: ".concat(colorize("text", JSON.stringify(this.text)), ", ") + "pos: ".concat(colorize("pos", this.pos), ", ") + "line: ".concat(colorize("line", this.line), ", ") + "column: ".concat(colorize("column", this.column), ")"); |
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} |
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}, { |
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key: "isA", |
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value: function isA(type, value) { |
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if (type !== this.type) return false; |
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if (arguments.length === 2 && value !== this.value) return false; |
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return true; |
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} |
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}]); |
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}(); |
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/* internal helper class for tokenization error reporting */ |
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var ParsingError = /*#__PURE__*/function (_Error) { |
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/* construct and initialize object */ |
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function ParsingError(message, pos, line, column, input) { |
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var _this; |
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_classCallCheck(this, ParsingError); |
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_this = _callSuper(this, ParsingError, [message]); |
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_this.name = "ParsingError"; |
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_this.message = message; |
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_this.pos = pos; |
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_this.line = line; |
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_this.column = column; |
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_this.input = input; |
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return _this; |
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} |
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/* render a useful string representation */ |
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_inherits(ParsingError, _Error); |
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return _createClass(ParsingError, [{ |
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key: "toString", |
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value: function toString() { |
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var l = excerpt(this.input, this.pos); |
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var prefix1 = "line ".concat(this.line, " (column ").concat(this.column, "): "); |
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var prefix2 = ""; |
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for (var i = 0; i < prefix1.length + l.prologText.length; i++) prefix2 += " "; |
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var msg = "Parsing Error: " + this.message + "\n" + prefix1 + l.prologText + l.tokenText + l.epilogText + "\n" + prefix2 + "^"; |
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return msg; |
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} |
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}]); |
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}( /*#__PURE__*/_wrapNativeSuper(Error)); |
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/* internal helper class for action context */ |
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var ActionContext = /*#__PURE__*/function () { |
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/* construct and initialize the object */ |
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function ActionContext(tokenizr) { |
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_classCallCheck(this, ActionContext); |
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this._tokenizr = tokenizr; |
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this._data = {}; |
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this._repeat = false; |
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this._reject = false; |
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this._ignore = false; |
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this._match = null; |
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} |
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/* store and retrieve user data attached to context */ |
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return _createClass(ActionContext, [{ |
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key: "data", |
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value: function data(key, value) { |
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var valueOld = this._data[key]; |
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if (arguments.length === 2) this._data[key] = value; |
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return valueOld; |
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} |
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/* retrieve information of current matching */ |
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}, { |
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key: "info", |
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value: function info() { |
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return { |
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line: this._tokenizr._line, |
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column: this._tokenizr._column, |
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pos: this._tokenizr._pos, |
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len: this._match[0].length |
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}; |
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} |
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/* pass-through functions to attached tokenizer */ |
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}, { |
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key: "push", |
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value: function push() { |
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var _this$_tokenizr; |
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(_this$_tokenizr = this._tokenizr).push.apply(_this$_tokenizr, arguments); |
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return this; |
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} |
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}, { |
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key: "pop", |
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value: function pop() { |
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var _this$_tokenizr2; |
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return (_this$_tokenizr2 = this._tokenizr).pop.apply(_this$_tokenizr2, arguments); |
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} |
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}, { |
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key: "state", |
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value: function state() { |
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var _this$_tokenizr4; |
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if (arguments.length > 0) { |
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var _this$_tokenizr3; |
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(_this$_tokenizr3 = this._tokenizr).state.apply(_this$_tokenizr3, arguments); |
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return this; |
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} else return (_this$_tokenizr4 = this._tokenizr).state.apply(_this$_tokenizr4, arguments); |
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} |
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}, { |
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key: "tag", |
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value: function tag() { |
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var _this$_tokenizr5; |
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(_this$_tokenizr5 = this._tokenizr).tag.apply(_this$_tokenizr5, arguments); |
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return this; |
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} |
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}, { |
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key: "tagged", |
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value: function tagged() { |
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var _this$_tokenizr6; |
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return (_this$_tokenizr6 = this._tokenizr).tagged.apply(_this$_tokenizr6, arguments); |
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} |
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}, { |
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key: "untag", |
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value: function untag() { |
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var _this$_tokenizr7; |
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(_this$_tokenizr7 = this._tokenizr).untag.apply(_this$_tokenizr7, arguments); |
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return this; |
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} |
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/* mark current matching to be repeated from scratch */ |
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}, { |
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key: "repeat", |
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value: function repeat() { |
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this._tokenizr._log(" REPEAT"); |
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this._repeat = true; |
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return this; |
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} |
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/* mark current matching to be rejected */ |
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}, { |
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key: "reject", |
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value: function reject() { |
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this._tokenizr._log(" REJECT"); |
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this._reject = true; |
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return this; |
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} |
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/* mark current matching to be ignored */ |
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}, { |
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key: "ignore", |
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value: function ignore() { |
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this._tokenizr._log(" IGNORE"); |
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this._ignore = true; |
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return this; |
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} |
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/* accept current matching as a new token */ |
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}, { |
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key: "accept", |
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value: function accept(type, value) { |
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if (arguments.length < 2) value = this._match[0]; |
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this._tokenizr._log(" ACCEPT: type: ".concat(type, ", value: ") + "".concat(JSON.stringify(value), " (").concat(_typeof(value), "), text: \"").concat(this._match[0], "\"")); |
|
247
|
|
|
this._tokenizr._pending.push(new Token(type, value, this._match[0], this._tokenizr._pos, this._tokenizr._line, this._tokenizr._column)); |
|
248
|
|
|
return this; |
|
249
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|
} |
|
250
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|
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|
251
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|
/* immediately stop tokenization */ |
|
252
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|
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}, { |
|
253
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|
|
key: "stop", |
|
254
|
|
|
value: function stop() { |
|
255
|
|
|
this._tokenizr._stopped = true; |
|
256
|
|
|
return this; |
|
257
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|
|
} |
|
258
|
|
|
}]); |
|
259
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|
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}(); |
|
260
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/* external API class */ |
|
261
|
|
|
var Tokenizr = /*#__PURE__*/function () { |
|
262
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|
|
/* construct and initialize the object */ |
|
263
|
|
|
function Tokenizr() { |
|
264
|
|
|
_classCallCheck(this, Tokenizr); |
|
265
|
|
|
this._before = null; |
|
266
|
|
|
this._after = null; |
|
267
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|
this._finish = null; |
|
268
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|
|
this._rules = []; |
|
269
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|
this._debug = false; |
|
270
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|
|
this.reset(); |
|
271
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|
|
} |
|
272
|
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|
|
273
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|
|
/* reset the internal state */ |
|
274
|
|
|
return _createClass(Tokenizr, [{ |
|
275
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|
|
key: "reset", |
|
276
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|
|
value: function reset() { |
|
277
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|
|
this._input = ""; |
|
278
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|
|
this._len = 0; |
|
279
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|
|
this._eof = false; |
|
280
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|
|
this._pos = 0; |
|
281
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|
|
this._line = 1; |
|
282
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|
|
this._column = 1; |
|
283
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|
|
this._state = ["default"]; |
|
284
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|
|
this._tag = {}; |
|
285
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|
|
this._transaction = []; |
|
286
|
|
|
this._pending = []; |
|
287
|
|
|
this._stopped = false; |
|
288
|
|
|
this._ctx = new ActionContext(this); |
|
289
|
|
|
return this; |
|
290
|
|
|
} |
|
291
|
|
|
|
|
292
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|
|
/* create an error message for the current position */ |
|
293
|
|
|
}, { |
|
294
|
|
|
key: "error", |
|
295
|
|
|
value: function error(message) { |
|
296
|
|
|
return new ParsingError(message, this._pos, this._line, this._column, this._input); |
|
297
|
|
|
} |
|
298
|
|
|
|
|
299
|
|
|
/* configure debug operation */ |
|
300
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|
|
}, { |
|
301
|
|
|
key: "debug", |
|
302
|
|
|
value: function debug(_debug) { |
|
303
|
|
|
this._debug = _debug; |
|
304
|
|
|
return this; |
|
305
|
|
|
} |
|
306
|
|
|
|
|
307
|
|
|
/* output a debug message */ |
|
308
|
|
|
}, { |
|
309
|
|
|
key: "_log", |
|
310
|
|
|
value: function _log(msg) { |
|
311
|
|
|
/* eslint no-console: off */ |
|
312
|
|
|
if (this._debug) console.log("tokenizr: ".concat(msg)); |
|
|
|
|
|
|
313
|
|
|
} |
|
314
|
|
|
|
|
315
|
|
|
/* provide (new) input string to tokenize */ |
|
316
|
|
|
}, { |
|
317
|
|
|
key: "input", |
|
318
|
|
|
value: function input(_input) { |
|
319
|
|
|
/* sanity check arguments */ |
|
320
|
|
|
if (typeof _input !== "string") throw new Error("parameter \"input\" not a String"); |
|
321
|
|
|
|
|
322
|
|
|
/* reset state and store new input */ |
|
323
|
|
|
this.reset(); |
|
324
|
|
|
this._input = _input; |
|
325
|
|
|
this._len = _input.length; |
|
326
|
|
|
return this; |
|
327
|
|
|
} |
|
328
|
|
|
|
|
329
|
|
|
/* push state */ |
|
330
|
|
|
}, { |
|
331
|
|
|
key: "push", |
|
332
|
|
|
value: function push(state) { |
|
333
|
|
|
/* sanity check arguments */ |
|
334
|
|
|
if (arguments.length !== 1) throw new Error("invalid number of arguments"); |
|
335
|
|
|
if (typeof state !== "string") throw new Error("parameter \"state\" not a String"); |
|
336
|
|
|
|
|
337
|
|
|
/* push new state */ |
|
338
|
|
|
this._log(" STATE (PUSH): " + "old: <".concat(this._state[this._state.length - 1], ">, ") + "new: <".concat(state, ">")); |
|
339
|
|
|
this._state.push(state); |
|
340
|
|
|
return this; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
/* pop state */ |
|
344
|
|
|
}, { |
|
345
|
|
|
key: "pop", |
|
346
|
|
|
value: function pop() { |
|
347
|
|
|
/* sanity check arguments */ |
|
348
|
|
|
if (arguments.length !== 0) throw new Error("invalid number of arguments"); |
|
349
|
|
|
if (this._state.length < 2) throw new Error("no more custom states to pop"); |
|
350
|
|
|
|
|
351
|
|
|
/* pop old state */ |
|
352
|
|
|
this._log(" STATE (POP): " + "old: <".concat(this._state[this._state.length - 1], ">, ") + "new: <".concat(this._state[this._state.length - 2], ">")); |
|
353
|
|
|
return this._state.pop(); |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
/* get/set state */ |
|
357
|
|
|
}, { |
|
358
|
|
|
key: "state", |
|
359
|
|
|
value: function state(_state) { |
|
360
|
|
|
if (arguments.length === 1) { |
|
361
|
|
|
/* sanity check arguments */ |
|
362
|
|
|
if (typeof _state !== "string") throw new Error("parameter \"state\" not a String"); |
|
363
|
|
|
|
|
364
|
|
|
/* change current state */ |
|
365
|
|
|
this._log(" STATE (SET): " + "old: <".concat(this._state[this._state.length - 1], ">, ") + "new: <".concat(_state, ">")); |
|
366
|
|
|
this._state[this._state.length - 1] = _state; |
|
367
|
|
|
return this; |
|
368
|
|
|
} else if (arguments.length === 0) return this._state[this._state.length - 1];else throw new Error("invalid number of arguments"); |
|
369
|
|
|
} |
|
370
|
|
|
|
|
371
|
|
|
/* set a tag */ |
|
372
|
|
|
}, { |
|
373
|
|
|
key: "tag", |
|
374
|
|
|
value: function tag(_tag) { |
|
375
|
|
|
/* sanity check arguments */ |
|
376
|
|
|
if (arguments.length !== 1) throw new Error("invalid number of arguments"); |
|
377
|
|
|
if (typeof _tag !== "string") throw new Error("parameter \"tag\" not a String"); |
|
378
|
|
|
|
|
379
|
|
|
/* set tag */ |
|
380
|
|
|
this._log(" TAG (ADD): ".concat(_tag)); |
|
381
|
|
|
this._tag[_tag] = true; |
|
382
|
|
|
return this; |
|
383
|
|
|
} |
|
384
|
|
|
|
|
385
|
|
|
/* check whether tag is set */ |
|
386
|
|
|
}, { |
|
387
|
|
|
key: "tagged", |
|
388
|
|
|
value: function tagged(tag) { |
|
389
|
|
|
/* sanity check arguments */ |
|
390
|
|
|
if (arguments.length !== 1) throw new Error("invalid number of arguments"); |
|
391
|
|
|
if (typeof tag !== "string") throw new Error("parameter \"tag\" not a String"); |
|
392
|
|
|
|
|
393
|
|
|
/* set tag */ |
|
394
|
|
|
return this._tag[tag] === true; |
|
395
|
|
|
} |
|
396
|
|
|
|
|
397
|
|
|
/* unset a tag */ |
|
398
|
|
|
}, { |
|
399
|
|
|
key: "untag", |
|
400
|
|
|
value: function untag(tag) { |
|
401
|
|
|
/* sanity check arguments */ |
|
402
|
|
|
if (arguments.length !== 1) throw new Error("invalid number of arguments"); |
|
403
|
|
|
if (typeof tag !== "string") throw new Error("parameter \"tag\" not a String"); |
|
404
|
|
|
|
|
405
|
|
|
/* delete tag */ |
|
406
|
|
|
this._log(" TAG (DEL): ".concat(tag)); |
|
407
|
|
|
delete this._tag[tag]; |
|
408
|
|
|
return this; |
|
409
|
|
|
} |
|
410
|
|
|
|
|
411
|
|
|
/* configure a tokenization before-rule callback */ |
|
412
|
|
|
}, { |
|
413
|
|
|
key: "before", |
|
414
|
|
|
value: function before(action) { |
|
415
|
|
|
this._before = action; |
|
416
|
|
|
return this; |
|
417
|
|
|
} |
|
418
|
|
|
|
|
419
|
|
|
/* configure a tokenization after-rule callback */ |
|
420
|
|
|
}, { |
|
421
|
|
|
key: "after", |
|
422
|
|
|
value: function after(action) { |
|
423
|
|
|
this._after = action; |
|
424
|
|
|
return this; |
|
425
|
|
|
} |
|
426
|
|
|
|
|
427
|
|
|
/* configure a tokenization finish callback */ |
|
428
|
|
|
}, { |
|
429
|
|
|
key: "finish", |
|
430
|
|
|
value: function finish(action) { |
|
431
|
|
|
this._finish = action; |
|
432
|
|
|
return this; |
|
433
|
|
|
} |
|
434
|
|
|
|
|
435
|
|
|
/* configure a tokenization rule */ |
|
436
|
|
|
}, { |
|
437
|
|
|
key: "rule", |
|
438
|
|
|
value: function rule(state, pattern, action) { |
|
439
|
|
|
var name = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : "unknown"; |
|
440
|
|
|
/* support optional states */ |
|
441
|
|
|
if (arguments.length === 2 && typeof pattern === "function") { |
|
442
|
|
|
var _ref = [state, pattern]; |
|
443
|
|
|
pattern = _ref[0]; |
|
444
|
|
|
action = _ref[1]; |
|
445
|
|
|
state = "*"; |
|
446
|
|
|
} else if (arguments.length === 3 && typeof pattern === "function") { |
|
447
|
|
|
var _ref2 = [state, pattern, action]; |
|
448
|
|
|
pattern = _ref2[0]; |
|
449
|
|
|
action = _ref2[1]; |
|
450
|
|
|
name = _ref2[2]; |
|
451
|
|
|
state = "*"; |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
|
|
/* sanity check arguments */ |
|
455
|
|
|
if (typeof state !== "string") throw new Error("parameter \"state\" not a String"); |
|
456
|
|
|
if (!(_typeof(pattern) === "object" && pattern instanceof RegExp)) throw new Error("parameter \"pattern\" not a RegExp"); |
|
457
|
|
|
if (typeof action !== "function") throw new Error("parameter \"action\" not a Function"); |
|
458
|
|
|
if (typeof name !== "string") throw new Error("parameter \"name\" not a String"); |
|
459
|
|
|
|
|
460
|
|
|
/* post-process state */ |
|
461
|
|
|
state = state.split(/\s*,\s*/g).map(function (entry) { |
|
462
|
|
|
var items = entry.split(/\s+/g); |
|
463
|
|
|
var states = items.filter(function (item) { |
|
464
|
|
|
return item.match(/^#/) === null; |
|
465
|
|
|
}); |
|
466
|
|
|
var tags = items.filter(function (item) { |
|
467
|
|
|
return item.match(/^#/) !== null; |
|
468
|
|
|
}).map(function (tag) { |
|
469
|
|
|
return tag.replace(/^#/, ""); |
|
470
|
|
|
}); |
|
471
|
|
|
if (states.length !== 1) throw new Error("exactly one state required"); |
|
472
|
|
|
return { |
|
473
|
|
|
state: states[0], |
|
474
|
|
|
tags: tags |
|
475
|
|
|
}; |
|
476
|
|
|
}); |
|
477
|
|
|
|
|
478
|
|
|
/* post-process pattern */ |
|
479
|
|
|
var flags = "g"; /* ECMAScript <= 5 */ |
|
480
|
|
|
try { |
|
481
|
|
|
var regexp = new RegExp("", "y"); |
|
482
|
|
|
if (typeof regexp.sticky === "boolean") flags = "y"; /* ECMAScript >= 2015 */ |
|
483
|
|
|
} catch (ex) { |
|
|
|
|
|
|
484
|
|
|
/* no-op */ |
|
485
|
|
|
} |
|
486
|
|
|
if (typeof pattern.multiline === "boolean" && pattern.multiline) flags += "m"; |
|
487
|
|
|
if (typeof pattern.dotAll === "boolean" && pattern.dotAll) flags += "s"; |
|
488
|
|
|
if (typeof pattern.ignoreCase === "boolean" && pattern.ignoreCase) flags += "i"; |
|
489
|
|
|
if (typeof pattern.unicode === "boolean" && pattern.unicode) flags += "u"; |
|
490
|
|
|
pattern = new RegExp(pattern.source, flags); |
|
491
|
|
|
|
|
492
|
|
|
/* store rule */ |
|
493
|
|
|
this._log("rule: configure rule (state: ".concat(state, ", pattern: ").concat(pattern.source, ")")); |
|
494
|
|
|
this._rules.push({ |
|
495
|
|
|
state: state, |
|
496
|
|
|
pattern: pattern, |
|
497
|
|
|
action: action, |
|
498
|
|
|
name: name |
|
499
|
|
|
}); |
|
500
|
|
|
return this; |
|
501
|
|
|
} |
|
502
|
|
|
|
|
503
|
|
|
/* progress the line/column counter */ |
|
504
|
|
|
}, { |
|
505
|
|
|
key: "_progress", |
|
506
|
|
|
value: function _progress(from, until) { |
|
507
|
|
|
var line = this._line; |
|
508
|
|
|
var column = this._column; |
|
509
|
|
|
var s = this._input; |
|
510
|
|
|
for (var i = from; i < until; i++) { |
|
511
|
|
|
var c = s.charAt(i); |
|
512
|
|
|
if (c === "\r") this._column = 1;else if (c === "\n") { |
|
513
|
|
|
this._line++; |
|
514
|
|
|
this._column = 1; |
|
515
|
|
|
} else if (c === "\t") this._column += 8 - this._column % 8;else this._column++; |
|
516
|
|
|
} |
|
517
|
|
|
this._log(" PROGRESS: characters: ".concat(until - from, ", ") + "from: <line ".concat(line, ", column ").concat(column, ">, ") + "to: <line ".concat(this._line, ", column ").concat(this._column, ">")); |
|
518
|
|
|
} |
|
519
|
|
|
|
|
520
|
|
|
/* determine and provide the next token */ |
|
521
|
|
|
}, { |
|
522
|
|
|
key: "_tokenize", |
|
523
|
|
|
value: function _tokenize() { |
|
524
|
|
|
var _this2 = this; |
|
525
|
|
|
/* helper function for finishing parsing */ |
|
526
|
|
|
var finish = function finish() { |
|
527
|
|
|
if (!_this2._eof) { |
|
528
|
|
|
if (_this2._finish !== null) _this2._finish.call(_this2._ctx, _this2._ctx); |
|
529
|
|
|
_this2._eof = true; |
|
530
|
|
|
_this2._pending.push(new Token("EOF", "", "", _this2._pos, _this2._line, _this2._column)); |
|
531
|
|
|
} |
|
532
|
|
|
}; |
|
533
|
|
|
|
|
534
|
|
|
/* tokenize only as long as we were not stopped and there is input left */ |
|
535
|
|
|
if (this._stopped || this._pos >= this._len) { |
|
536
|
|
|
finish(); |
|
537
|
|
|
return; |
|
538
|
|
|
} |
|
539
|
|
|
|
|
540
|
|
|
/* loop... */ |
|
541
|
|
|
var continued = true; |
|
542
|
|
|
while (continued) { |
|
543
|
|
|
continued = false; |
|
544
|
|
|
|
|
545
|
|
|
/* some optional debugging context */ |
|
546
|
|
|
if (this._debug) { |
|
547
|
|
|
var e = excerpt(this._input, this._pos); |
|
548
|
|
|
var tags = Object.keys(this._tag).map(function (tag) { |
|
549
|
|
|
return "#".concat(tag); |
|
550
|
|
|
}).join(" "); |
|
551
|
|
|
this._log("INPUT: state: <".concat(this._state[this._state.length - 1], ">, tags: <").concat(tags, ">, text: ") + (e.prologTrunc ? "..." : "\"") + "".concat(e.prologText, "<").concat(e.tokenText, ">").concat(e.epilogText) + (e.epilogTrunc ? "..." : "\"") + ", at: <line ".concat(this._line, ", column ").concat(this._column, ">")); |
|
552
|
|
|
} |
|
553
|
|
|
|
|
554
|
|
|
/* iterate over all rules... */ |
|
555
|
|
|
for (var i = 0; i < this._rules.length; i++) { |
|
556
|
|
|
if (this._debug) { |
|
557
|
|
|
var state = this._rules[i].state.map(function (item) { |
|
558
|
|
|
var output = item.state; |
|
559
|
|
|
if (item.tags.length > 0) output += " " + item.tags.map(function (tag) { |
|
560
|
|
|
return "#".concat(tag); |
|
561
|
|
|
}).join(" "); |
|
562
|
|
|
return output; |
|
563
|
|
|
}).join(", "); |
|
564
|
|
|
this._log(" RULE: state(s): <".concat(state, ">, ") + "pattern: ".concat(this._rules[i].pattern.source)); |
|
565
|
|
|
} |
|
566
|
|
|
|
|
567
|
|
|
/* one of rule's states (and all of its tags) has to match */ |
|
568
|
|
|
var matches = false; |
|
569
|
|
|
var states = this._rules[i].state.map(function (item) { |
|
570
|
|
|
return item.state; |
|
571
|
|
|
}); |
|
572
|
|
|
var idx = states.indexOf("*"); |
|
573
|
|
|
if (idx < 0) idx = states.indexOf(this._state[this._state.length - 1]); |
|
574
|
|
|
if (idx >= 0) { |
|
575
|
|
|
matches = true; |
|
576
|
|
|
var _tags = this._rules[i].state[idx].tags; |
|
577
|
|
|
_tags = _tags.filter(function (tag) { |
|
578
|
|
|
return !_this2._tag[tag]; |
|
579
|
|
|
}); |
|
580
|
|
|
if (_tags.length > 0) matches = false; |
|
581
|
|
|
} |
|
582
|
|
|
if (!matches) continue; |
|
583
|
|
|
|
|
584
|
|
|
/* match pattern at the last position */ |
|
585
|
|
|
this._rules[i].pattern.lastIndex = this._pos; |
|
586
|
|
|
var found = this._rules[i].pattern.exec(this._input); |
|
|
|
|
|
|
587
|
|
|
this._rules[i].pattern.lastIndex = this._pos; |
|
588
|
|
|
if ((found = this._rules[i].pattern.exec(this._input)) !== null && found.index === this._pos) { |
|
589
|
|
|
if (this._debug) this._log(" MATCHED: " + JSON.stringify(found)); |
|
590
|
|
|
|
|
591
|
|
|
/* pattern found, so give action a chance to operate |
|
592
|
|
|
on it and act according to its results */ |
|
593
|
|
|
this._ctx._match = found; |
|
594
|
|
|
this._ctx._repeat = false; |
|
595
|
|
|
this._ctx._reject = false; |
|
596
|
|
|
this._ctx._ignore = false; |
|
597
|
|
|
if (this._before !== null) this._before.call(this._ctx, this._ctx, found, this._rules[i]); |
|
598
|
|
|
this._rules[i].action.call(this._ctx, this._ctx, found); |
|
599
|
|
|
if (this._after !== null) this._after.call(this._ctx, this._ctx, found, this._rules[i]); |
|
600
|
|
|
if (this._ctx._reject) /* reject current action, continue matching */ |
|
601
|
|
|
continue;else if (this._ctx._repeat) { |
|
|
|
|
|
|
602
|
|
|
/* repeat matching from scratch */ |
|
603
|
|
|
continued = true; |
|
604
|
|
|
break; |
|
605
|
|
|
} else if (this._ctx._ignore) { |
|
606
|
|
|
/* ignore token */ |
|
607
|
|
|
this._progress(this._pos, this._rules[i].pattern.lastIndex); |
|
608
|
|
|
this._pos = this._rules[i].pattern.lastIndex; |
|
609
|
|
|
if (this._pos >= this._len) { |
|
610
|
|
|
finish(); |
|
611
|
|
|
return; |
|
612
|
|
|
} |
|
613
|
|
|
continued = true; |
|
614
|
|
|
break; |
|
615
|
|
|
} else if (this._pending.length > 0) { |
|
616
|
|
|
/* accept token(s) */ |
|
617
|
|
|
this._progress(this._pos, this._rules[i].pattern.lastIndex); |
|
618
|
|
|
this._pos = this._rules[i].pattern.lastIndex; |
|
619
|
|
|
if (this._pos >= this._len) finish(); |
|
620
|
|
|
return; |
|
621
|
|
|
} else throw new Error("action of pattern \"" + this._rules[i].pattern.source + "\" neither rejected nor accepted any token(s)"); |
|
622
|
|
|
} |
|
623
|
|
|
} |
|
624
|
|
|
} |
|
625
|
|
|
|
|
626
|
|
|
/* no pattern matched at all */ |
|
627
|
|
|
throw this.error("token not recognized"); |
|
628
|
|
|
} |
|
629
|
|
|
|
|
630
|
|
|
/* determine and return next token */ |
|
631
|
|
|
}, { |
|
632
|
|
|
key: "token", |
|
633
|
|
|
value: function token() { |
|
634
|
|
|
/* if no more tokens are pending, try to determine a new one */ |
|
635
|
|
|
if (this._pending.length === 0) this._tokenize(); |
|
636
|
|
|
|
|
637
|
|
|
/* return now potentially pending token */ |
|
638
|
|
|
if (this._pending.length > 0) { |
|
639
|
|
|
var token = this._pending.shift(); |
|
640
|
|
|
if (this._transaction.length > 0) this._transaction[0].push(token); |
|
641
|
|
|
this._log("TOKEN: ".concat(token.toString())); |
|
642
|
|
|
return token; |
|
643
|
|
|
} |
|
644
|
|
|
|
|
645
|
|
|
/* no more tokens */ |
|
646
|
|
|
return null; |
|
647
|
|
|
} |
|
648
|
|
|
|
|
649
|
|
|
/* determine and return all tokens */ |
|
650
|
|
|
}, { |
|
651
|
|
|
key: "tokens", |
|
652
|
|
|
value: function tokens() { |
|
653
|
|
|
var result = []; |
|
654
|
|
|
var token; |
|
655
|
|
|
while ((token = this.token()) !== null) result.push(token); |
|
656
|
|
|
return result; |
|
657
|
|
|
} |
|
658
|
|
|
|
|
659
|
|
|
/* peek at the next token or token at particular offset */ |
|
660
|
|
|
}, { |
|
661
|
|
|
key: "peek", |
|
662
|
|
|
value: function peek(offset) { |
|
663
|
|
|
if (typeof offset === "undefined") offset = 0; |
|
664
|
|
|
|
|
665
|
|
|
/* if no more tokens are pending, try to determine new ones */ |
|
666
|
|
|
if (offset >= this._pending.length) { |
|
667
|
|
|
if (this._pending.length === 0) this._tokenize(); |
|
668
|
|
|
for (var i = 0; i < offset - this._pending.length; i++) this._tokenize(); |
|
669
|
|
|
} |
|
670
|
|
|
if (offset >= this._pending.length) throw new Error("not enough tokens available for peek operation"); |
|
671
|
|
|
this._log("PEEK: ".concat(this._pending[offset].toString())); |
|
672
|
|
|
return this._pending[offset]; |
|
673
|
|
|
} |
|
674
|
|
|
|
|
675
|
|
|
/* skip one or more tokens */ |
|
676
|
|
|
}, { |
|
677
|
|
|
key: "skip", |
|
678
|
|
|
value: function skip(len) { |
|
679
|
|
|
if (typeof len === "undefined") len = 1; |
|
680
|
|
|
for (var i = 0; i < this._pending.length + len; i++) this._tokenize(); |
|
681
|
|
|
if (len > this._pending.length) throw new Error("not enough tokens available for skip operation"); |
|
682
|
|
|
while (len-- > 0) this.token(); |
|
683
|
|
|
return this; |
|
684
|
|
|
} |
|
685
|
|
|
|
|
686
|
|
|
/* consume the current token (by expecting it to be a particular symbol) */ |
|
687
|
|
|
}, { |
|
688
|
|
|
key: "consume", |
|
689
|
|
|
value: function consume(type, value) { |
|
690
|
|
|
var _this3 = this; |
|
691
|
|
|
for (var i = 0; i < this._pending.length + 1; i++) this._tokenize(); |
|
692
|
|
|
if (this._pending.length === 0) throw new Error("not enough tokens available for consume operation"); |
|
693
|
|
|
var token = this.token(); |
|
694
|
|
|
this._log("CONSUME: ".concat(token.toString())); |
|
695
|
|
|
var raiseError = function raiseError() { |
|
696
|
|
|
throw new ParsingError("expected: <type: ".concat(type, ", value: ").concat(JSON.stringify(value), " (").concat(_typeof(value), ")>, ") + "found: <type: ".concat(token.type, ", value: ").concat(JSON.stringify(token.value), " (").concat(_typeof(token.value), ")>"), token.pos, token.line, token.column, _this3._input); |
|
697
|
|
|
}; |
|
698
|
|
|
if (arguments.length === 2 && !token.isA(type, value)) raiseError(JSON.stringify(value), _typeof(value));else if (!token.isA(type)) raiseError("*", "any"); |
|
|
|
|
|
|
699
|
|
|
return token; |
|
700
|
|
|
} |
|
701
|
|
|
|
|
702
|
|
|
/* open tokenization transaction */ |
|
703
|
|
|
}, { |
|
704
|
|
|
key: "begin", |
|
705
|
|
|
value: function begin() { |
|
706
|
|
|
this._log("BEGIN: level ".concat(this._transaction.length)); |
|
707
|
|
|
this._transaction.unshift([]); |
|
708
|
|
|
return this; |
|
709
|
|
|
} |
|
710
|
|
|
|
|
711
|
|
|
/* determine depth of still open tokenization transaction */ |
|
712
|
|
|
}, { |
|
713
|
|
|
key: "depth", |
|
714
|
|
|
value: function depth() { |
|
715
|
|
|
if (this._transaction.length === 0) throw new Error("cannot determine depth -- no active transaction"); |
|
716
|
|
|
return this._transaction[0].length; |
|
717
|
|
|
} |
|
718
|
|
|
|
|
719
|
|
|
/* close (successfully) tokenization transaction */ |
|
720
|
|
|
}, { |
|
721
|
|
|
key: "commit", |
|
722
|
|
|
value: function commit() { |
|
723
|
|
|
if (this._transaction.length === 0) throw new Error("cannot commit transaction -- no active transaction"); |
|
724
|
|
|
|
|
725
|
|
|
/* remove current transaction */ |
|
726
|
|
|
var committed = this._transaction.shift(); |
|
727
|
|
|
|
|
728
|
|
|
/* in case we were a nested transaction, still remember the tokens */ |
|
729
|
|
|
if (this._transaction.length > 0) this._transaction[0] = this._transaction[0].concat(committed); |
|
730
|
|
|
this._log("COMMIT: level ".concat(this._transaction.length)); |
|
731
|
|
|
return this; |
|
732
|
|
|
} |
|
733
|
|
|
|
|
734
|
|
|
/* close (unsuccessfully) tokenization transaction */ |
|
735
|
|
|
}, { |
|
736
|
|
|
key: "rollback", |
|
737
|
|
|
value: function rollback() { |
|
738
|
|
|
if (this._transaction.length === 0) throw new Error("cannot rollback transaction -- no active transaction"); |
|
739
|
|
|
|
|
740
|
|
|
/* remove current transaction */ |
|
741
|
|
|
var rolledback = this._transaction.shift(); |
|
742
|
|
|
|
|
743
|
|
|
/* make the tokens available again, as new pending tokens */ |
|
744
|
|
|
this._pending = rolledback.concat(this._pending); |
|
745
|
|
|
this._log("ROLLBACK: level ".concat(this._transaction.length)); |
|
746
|
|
|
return this; |
|
747
|
|
|
} |
|
748
|
|
|
|
|
749
|
|
|
/* execute multiple alternative callbacks */ |
|
750
|
|
|
}, { |
|
751
|
|
|
key: "alternatives", |
|
752
|
|
|
value: function alternatives() { |
|
753
|
|
|
var result = null; |
|
754
|
|
|
var depths = []; |
|
755
|
|
|
for (var _len = arguments.length, _alternatives = new Array(_len), _key = 0; _key < _len; _key++) { |
|
|
|
|
|
|
756
|
|
|
_alternatives[_key] = arguments[_key]; |
|
757
|
|
|
} |
|
758
|
|
|
for (var i = 0; i < _alternatives.length; i++) { |
|
759
|
|
|
try { |
|
760
|
|
|
this.begin(); |
|
761
|
|
|
result = _alternatives[i].call(this); |
|
762
|
|
|
this.commit(); |
|
763
|
|
|
break; |
|
764
|
|
|
} catch (ex) { |
|
765
|
|
|
this._log("EXCEPTION: ".concat(ex.toString())); |
|
766
|
|
|
depths.push({ |
|
767
|
|
|
ex: ex, |
|
768
|
|
|
depth: this.depth() |
|
769
|
|
|
}); |
|
770
|
|
|
this.rollback(); |
|
771
|
|
|
continue; |
|
|
|
|
|
|
772
|
|
|
} |
|
773
|
|
|
} |
|
774
|
|
|
if (result === null && depths.length > 0) { |
|
775
|
|
|
depths = depths.sort(function (a, b) { |
|
776
|
|
|
return a.depth - b.depth; |
|
777
|
|
|
}); |
|
778
|
|
|
throw depths[0].ex; |
|
779
|
|
|
} |
|
780
|
|
|
return result; |
|
781
|
|
|
} |
|
782
|
|
|
}]); |
|
783
|
|
|
}(); |
|
784
|
|
|
/* expose the utility classes, too */ |
|
785
|
|
|
Tokenizr.Token = Token; |
|
786
|
|
|
Tokenizr.ParsingError = ParsingError; |
|
787
|
|
|
Tokenizr.ActionContext = ActionContext; |
|
788
|
|
|
|
|
789
|
|
|
/* export the API class */ |
|
790
|
|
|
module.exports = Tokenizr; |
|
791
|
|
|
|
|
792
|
|
|
},{}]},{},[1])(1) |
|
793
|
|
|
}); |
|
794
|
|
|
|
grommunio /
grommunio-web
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