(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(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorParser = _interopRequireDefault(require("./parser/front.calculator.parser.tokenizer"));
var _frontCalculatorSymbol = _interopRequireDefault(require("./symbol/front.calculator.symbol.loader"));
var _frontCalculator = _interopRequireDefault(require("./parser/front.calculator.parser"));
var _frontCalculatorSymbol2 = _interopRequireDefault(require("./symbol/front.calculator.symbol.number"));
var _frontCalculatorSymbolConstant = _interopRequireDefault(require("./symbol/abstract/front.calculator.symbol.constant.abstract"));
var _frontCalculatorParserNode = _interopRequireDefault(require("./parser/node/front.calculator.parser.node.symbol"));
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("./symbol/abstract/front.calculator.symbol.operator.abstract"));
var _frontCalculatorSymbol3 = _interopRequireDefault(require("./symbol/front.calculator.symbol.separator"));
var _frontCalculatorParserNode2 = _interopRequireDefault(require("./parser/node/front.calculator.parser.node.function"));
var _frontCalculatorParserNode3 = _interopRequireDefault(require("./parser/node/front.calculator.parser.node.container"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**********
* Attempt to rewrite Forminator_Calculator backend
*
* @see Forminator_Calculator
*
***********/
class FrontCalculator {
/**
*
* @param {string} term
*/
constructor(term) {
/**
*
* @type {string}
*/
this.term = term;
/**
*
* @type {FrontCalculatorParserTokenizer}
*/
this.tokenizer = new _frontCalculatorParser.default(this.term);
/**
*
* @type {FrontCalculatorSymbolLoader}
*/
this.symbolLoader = new _frontCalculatorSymbol.default();
/**
*
* @type {FrontCalculatorParser}
*/
this.parser = new _frontCalculator.default(this.symbolLoader);
}
/**
*
* @returns {FrontCalculatorParserNodeContainer}
*/
parse() {
// reset
this.tokenizer.input = this.term;
this.tokenizer.reset();
var tokens = this.tokenizer.tokenize();
if (tokens.length === 0) {
throw 'Error: Empty token of calculator term.';
}
var rootNode = this.parser.parse(tokens);
if (rootNode.isEmpty()) {
throw 'Error: Empty nodes of calculator tokens.';
}
return rootNode;
}
/**
*
* @returns {number}
*/
calculate() {
var result = 0;
var rootNode = this.parse();
if (false === rootNode) {
return result;
}
return this.calculateNode(rootNode);
}
/**
*Calculates the numeric value / result of a node of
* any known and calculable type. (For example symbol
* nodes with a symbol of type separator are not
* calculable.)
*
* @param {FrontCalculatorParserNodeAbstract} node
*
* @returns {number}
*/
calculateNode(node) {
if (node instanceof _frontCalculatorParserNode.default) {
return this.calculateSymbolNode(node);
} else if (node instanceof _frontCalculatorParserNode2.default) {
return this.calculateFunctionNode(node);
} else if (node instanceof _frontCalculatorParserNode3.default) {
return this.calculateContainerNode(node);
} else {
throw 'Error: Cannot calculate node of unknown type "' + node.constructor.name + '"';
}
}
/**
* This method actually calculates the results of every sub-terms
* in the syntax tree (which consists of nodes).
* It can call itself recursively.
* Attention: $node must not be of type FunctionNode!
*
* @param {FrontCalculatorParserNodeContainer} containerNode
*
* @returns {number}
*/
calculateContainerNode(containerNode) {
if (containerNode instanceof _frontCalculatorParserNode2.default) {
throw 'Error: Expected container node but got a function node';
}
var result = 0;
var nodes = containerNode.childNodes;
var orderedOperatorNodes = this.detectCalculationOrder(nodes);
// Actually calculate the term. Iterates over the ordered operators and
// calculates them, then replaces the parts of the operation by the result.
for (var i = 0; i < orderedOperatorNodes.length; i++) {
var operatorNode = orderedOperatorNodes[i].node;
var index = orderedOperatorNodes[i].index;
var leftOperand = null;
var leftOperandIndex = null;
var nodeIndex = 0;
while (nodeIndex !== index) {
if (nodes[nodeIndex] === undefined) {
nodeIndex++;
continue;
}
leftOperand = nodes[nodeIndex];
leftOperandIndex = nodeIndex;
nodeIndex++;
}
nodeIndex++;
while (nodeIndex < nodes.length && nodes[nodeIndex] === undefined) {
nodeIndex++;
}
if (nodeIndex >= nodes.length) {
throw 'Error: Found operator that does not stand before an operand.';
}
var rightOperand = nodes[nodeIndex];
var rightOperandIndex = nodeIndex;
var rightNumber = !isNaN(rightOperand) ? rightOperand : this.calculateNode(rightOperand);
/**
* @type {FrontCalculatorSymbolOperatorAbstract}
*/
var symbol = operatorNode.symbol;
if (operatorNode.isUnaryOperator) {
result = symbol.operate(null, rightNumber);
// Replace the participating symbols of the operation by the result
delete nodes[rightOperandIndex]; // `delete` operation only set the value to empty, not `actually` remove it
nodes[index] = result;
} else {
if (leftOperandIndex !== null && leftOperand !== null) {
var leftNumber = !isNaN(leftOperand) ? leftOperand : this.calculateNode(leftOperand);
result = symbol.operate(leftNumber, rightNumber);
// Replace the participating symbols of the operation by the result
delete nodes[leftOperandIndex];
delete nodes[rightOperandIndex];
nodes[index] = result;
}
}
}
//cleanup empty nodes
nodes = nodes.filter(function (node) {
return node !== undefined;
});
if (nodes.length === 0) {
throw 'Error: Missing calculable subterm. Are there empty brackets?';
}
if (nodes.length > 1) {
throw 'Error: Missing operators between parts of the term.';
}
// The only remaining element of the $nodes array contains the overall result
result = nodes.pop();
// If the $nodes array did not contain any operator (but only one node) than
// the result of this node has to be calculated now
if (isNaN(result)) {
return this.calculateNode(result);
}
return result;
}
/**
* Returns the numeric value of a function node.
* @param {FrontCalculatorParserNodeFunction} functionNode
*
* @returns {number}
*/
calculateFunctionNode(functionNode) {
var nodes = functionNode.childNodes;
var functionArguments = []; // ex : func(1+2,3,4) : 1+2 need to be calculated first
var argumentChildNodes = [];
var containerNode = null;
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
if (node instanceof _frontCalculatorParserNode.default) {
if (node.symbol instanceof _frontCalculatorSymbol3.default) {
containerNode = new _frontCalculatorParserNode3.default(argumentChildNodes);
functionArguments.push(this.calculateNode(containerNode));
argumentChildNodes = [];
} else {
argumentChildNodes.push(node);
}
} else {
argumentChildNodes.push(node);
}
}
if (argumentChildNodes.length > 0) {
containerNode = new _frontCalculatorParserNode3.default(argumentChildNodes);
functionArguments.push(this.calculateNode(containerNode));
}
/**
*
* @type {FrontCalculatorSymbolFunctionAbstract}
*/
var symbol = functionNode.symbolNode.symbol;
return symbol.execute(functionArguments);
}
/**
* Returns the numeric value of a symbol node.
* Attention: node.symbol must not be of type AbstractOperator!
*
* @param {FrontCalculatorParserNodeSymbol} symbolNode
*
* @returns {Number}
*/
calculateSymbolNode(symbolNode) {
var symbol = symbolNode.symbol;
var number = 0;
if (symbol instanceof _frontCalculatorSymbol2.default) {
number = symbolNode.token.value;
// Convert string to int or float (depending on the type of the number)
// If the number has a longer fractional part, it will be cut.
number = Number(number);
} else if (symbol instanceof _frontCalculatorSymbolConstant.default) {
number = symbol.value;
} else {
throw 'Error: Found symbol of unexpected type "' + symbol.constructor.name + '", expected number or constant';
}
return number;
}
/**
* Detect the calculation order of a given array of nodes.
* Does only care for the precedence of operators.
* Does not care for child nodes of container nodes.
* Returns a new array with ordered symbol nodes
*
* @param {FrontCalculatorParserNodeAbstract[]} nodes
*
* @return {Array}
*/
detectCalculationOrder(nodes) {
var operatorNodes = [];
// Store all symbol nodes that have a symbol of type abstract operator in an array
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
if (node instanceof _frontCalculatorParserNode.default) {
if (node.symbol instanceof _frontCalculatorSymbolOperator.default) {
var operatorNode = {
index: i,
node: node
};
operatorNodes.push(operatorNode);
}
}
}
operatorNodes.sort(
/**
* Returning 1 means $nodeTwo before $nodeOne, returning -1 means $nodeOne before $nodeTwo.
* @param {Object} operatorNodeOne
* @param {Object} operatorNodeTwo
*/
function (operatorNodeOne, operatorNodeTwo) {
var nodeOne = operatorNodeOne.node;
var nodeTwo = operatorNodeTwo.node;
// First-level precedence of node one
/**
*
* @type {FrontCalculatorSymbolOperatorAbstract}
*/
var symbolOne = nodeOne.symbol;
var precedenceOne = 2;
if (nodeOne.isUnaryOperator) {
precedenceOne = 3;
}
// First-level precedence of node two
/**
*
* @type {FrontCalculatorSymbolOperatorAbstract}
*/
var symbolTwo = nodeTwo.symbol;
var precedenceTwo = 2;
if (nodeTwo.isUnaryOperator) {
precedenceTwo = 3;
}
// If the first-level precedence is the same, compare the second-level precedence
if (precedenceOne === precedenceTwo) {
precedenceOne = symbolOne.precedence;
precedenceTwo = symbolTwo.precedence;
}
// If the second-level precedence is the same, we have to ensure that the sorting algorithm does
// insert the node / token that is left in the term before the node / token that is right.
// Therefore we cannot return 0 but compare the positions and return 1 / -1.
if (precedenceOne === precedenceTwo) {
return nodeOne.token.position < nodeTwo.token.position ? -1 : 1;
}
return precedenceOne < precedenceTwo ? 1 : -1;
});
return operatorNodes;
}
}
exports.default = FrontCalculator;
if (window['forminatorCalculator'] === undefined) {
window.forminatorCalculator = function (term) {
return new FrontCalculator(term);
};
}
},{"./parser/front.calculator.parser":2,"./parser/front.calculator.parser.tokenizer":4,"./parser/node/front.calculator.parser.node.container":6,"./parser/node/front.calculator.parser.node.function":7,"./parser/node/front.calculator.parser.node.symbol":8,"./symbol/abstract/front.calculator.symbol.constant.abstract":10,"./symbol/abstract/front.calculator.symbol.operator.abstract":12,"./symbol/front.calculator.symbol.loader":16,"./symbol/front.calculator.symbol.number":17,"./symbol/front.calculator.symbol.separator":18}],2:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorParser = _interopRequireDefault(require("./front.calculator.parser.token"));
var _frontCalculatorSymbol = _interopRequireDefault(require("../symbol/front.calculator.symbol.number"));
var _frontCalculatorSymbolOpening = _interopRequireDefault(require("../symbol/brackets/front.calculator.symbol.opening.bracket"));
var _frontCalculatorSymbolClosing = _interopRequireDefault(require("../symbol/brackets/front.calculator.symbol.closing.bracket"));
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../symbol/abstract/front.calculator.symbol.function.abstract"));
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../symbol/abstract/front.calculator.symbol.operator.abstract"));
var _frontCalculatorSymbol2 = _interopRequireDefault(require("../symbol/front.calculator.symbol.separator"));
var _frontCalculatorParserNode = _interopRequireDefault(require("./node/front.calculator.parser.node.symbol"));
var _frontCalculatorParserNode2 = _interopRequireDefault(require("./node/front.calculator.parser.node.container"));
var _frontCalculatorParserNode3 = _interopRequireDefault(require("./node/front.calculator.parser.node.function"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* The parsers has one important method: parse()
* It takes an array of tokens as input and
* returns an array of nodes as output.
* These nodes are the syntax tree of the term.
*
*/
class FrontCalculatorParser {
/**
*
* @param {FrontCalculatorSymbolLoader} symbolLoader
*/
constructor(symbolLoader) {
/**
*
* @type {FrontCalculatorSymbolLoader}
*/
this.symbolLoader = symbolLoader;
}
/**
* Parses an array with tokens. Returns an array of nodes.
* These nodes define a syntax tree.
*
* @param {FrontCalculatorParserToken[]} tokens
*
* @returns FrontCalculatorParserNodeContainer
*/
parse(tokens) {
var symbolNodes = this.detectSymbols(tokens);
var nodes = this.createTreeByBrackets(symbolNodes);
nodes = this.transformTreeByFunctions(nodes);
this.checkGrammar(nodes);
// Wrap the nodes in an array node.
return new _frontCalculatorParserNode2.default(nodes);
}
/**
* Creates a flat array of symbol nodes from tokens.
*
* @param {FrontCalculatorParserToken[]} tokens
* @returns {FrontCalculatorParserNodeSymbol[]}
*/
detectSymbols(tokens) {
var symbolNodes = [];
var symbol = null;
var identifier = null;
var expectingOpeningBracket = false; // True if we expect an opening bracket (after a function name)
var openBracketCounter = 0;
for (var i = 0; i < tokens.length; i++) {
var token = tokens[i];
var type = token.type;
if (_frontCalculatorParser.default.TYPE_WORD === type) {
identifier = token.value;
symbol = this.symbolLoader.find(identifier);
if (null === symbol) {
throw 'Error: Detected unknown or invalid string identifier: ' + identifier + '.';
}
} else if (type === _frontCalculatorParser.default.TYPE_NUMBER) {
// Notice: Numbers do not have an identifier
var symbolNumbers = this.symbolLoader.findSubTypes(_frontCalculatorSymbol.default);
if (symbolNumbers.length < 1 || !(symbolNumbers instanceof Array)) {
throw 'Error: Unavailable number symbol processor.';
}
symbol = symbolNumbers[0];
} else {
// Type Token::TYPE_CHARACTER:
identifier = token.value;
symbol = this.symbolLoader.find(identifier);
if (null === symbol) {
throw 'Error: Detected unknown or invalid string identifier: ' + identifier + '.';
}
if (symbol instanceof _frontCalculatorSymbolOpening.default) {
openBracketCounter++;
}
if (symbol instanceof _frontCalculatorSymbolClosing.default) {
openBracketCounter--;
// Make sure there are not too many closing brackets
if (openBracketCounter < 0) {
throw 'Error: Found closing bracket that does not have an opening bracket.';
}
}
}
if (expectingOpeningBracket) {
if (!(symbol instanceof _frontCalculatorSymbolOpening.default)) {
throw 'Error: Expected opening bracket (after a function) but got something else.';
}
expectingOpeningBracket = false;
} else {
if (symbol instanceof _frontCalculatorSymbolFunction.default) {
expectingOpeningBracket = true;
}
}
var symbolNode = new _frontCalculatorParserNode.default(token, symbol);
symbolNodes.push(symbolNode);
}
// Make sure the term does not end with the name of a function but without an opening bracket
if (expectingOpeningBracket) {
throw 'Error: Expected opening bracket (after a function) but reached the end of the term';
}
// Make sure there are not too many opening brackets
if (openBracketCounter > 0) {
throw 'Error: There is at least one opening bracket that does not have a closing bracket';
}
return symbolNodes;
}
/**
* Expects a flat array of symbol nodes and (if possible) transforms
* it to a tree of nodes. Cares for brackets.
* Attention: Expects valid brackets!
* Check the brackets before you call this method.
*
* @param {FrontCalculatorParserNodeSymbol[]} symbolNodes
* @returns {FrontCalculatorParserNodeAbstract[]}
*/
createTreeByBrackets(symbolNodes) {
var tree = [];
var nodesInBracket = []; // AbstractSymbol nodes inside level-0-brackets
var openBracketCounter = 0;
for (var i = 0; i < symbolNodes.length; i++) {
var symbolNode = symbolNodes[i];
if (!(symbolNode instanceof _frontCalculatorParserNode.default)) {
throw 'Error: Expected symbol node, but got "' + symbolNode.constructor.name + '"';
}
if (symbolNode.symbol instanceof _frontCalculatorSymbolOpening.default) {
openBracketCounter++;
if (openBracketCounter > 1) {
nodesInBracket.push(symbolNode);
}
} else if (symbolNode.symbol instanceof _frontCalculatorSymbolClosing.default) {
openBracketCounter--;
// Found a closing bracket on level 0
if (0 === openBracketCounter) {
var subTree = this.createTreeByBrackets(nodesInBracket);
// Subtree can be empty for example if the term looks like this: "()" or "functioname()"
// But this is okay, we need to allow this so we can call functions without a parameter
tree.push(new _frontCalculatorParserNode2.default(subTree));
nodesInBracket = [];
} else {
nodesInBracket.push(symbolNode);
}
} else {
if (0 === openBracketCounter) {
tree.push(symbolNode);
} else {
nodesInBracket.push(symbolNode);
}
}
}
return tree;
}
/**
* Replaces [a SymbolNode that has a symbol of type AbstractFunction,
* followed by a node of type ContainerNode] by a FunctionNode.
* Expects the $nodes not including any function nodes (yet).
*
* @param {FrontCalculatorParserNodeAbstract[]} nodes
*
* @returns {FrontCalculatorParserNodeAbstract[]}
*/
transformTreeByFunctions(nodes) {
var transformedNodes = [];
var functionSymbolNode = null;
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
if (node instanceof _frontCalculatorParserNode2.default) {
var transformedChildNodes = this.transformTreeByFunctions(node.childNodes);
if (null !== functionSymbolNode) {
var functionNode = new _frontCalculatorParserNode3.default(transformedChildNodes, functionSymbolNode);
transformedNodes.push(functionNode);
functionSymbolNode = null;
} else {
// not a function
node.childNodes = transformedChildNodes;
transformedNodes.push(node);
}
} else if (node instanceof _frontCalculatorParserNode.default) {
var symbol = node.symbol;
if (symbol instanceof _frontCalculatorSymbolFunction.default) {
functionSymbolNode = node;
} else {
transformedNodes.push(node);
}
} else {
throw 'Error: Expected array node or symbol node, got "' + node.constructor.name + '"';
}
}
return transformedNodes;
}
/**
* Ensures the tree follows the grammar rules for terms
*
* @param {FrontCalculatorParserNodeAbstract[]} nodes
*/
checkGrammar(nodes) {
// TODO Make sure that separators are only in the child nodes of the array node of a function node
// (If this happens the calculator will throw an exception)
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
if (node instanceof _frontCalculatorParserNode.default) {
var symbol = node.symbol;
if (symbol instanceof _frontCalculatorSymbolOperator.default) {
var posOfRightOperand = i + 1;
// Make sure the operator is positioned left of a (potential) operand (=prefix notation).
// Example term: "-1"
if (posOfRightOperand >= nodes.length) {
throw 'Error: Found operator that does not stand before an operand.';
}
var posOfLeftOperand = i - 1;
var leftOperand = null;
// Operator is unary if positioned at the beginning of a term
if (posOfLeftOperand >= 0) {
leftOperand = nodes[posOfLeftOperand];
if (leftOperand instanceof _frontCalculatorParserNode.default) {
if (leftOperand.symbol instanceof _frontCalculatorSymbolOperator.default // example 1`+-`5 : + = operator, - = unary
|| leftOperand.symbol instanceof _frontCalculatorSymbol2.default // example func(1`,-`5) ,= separator, - = unary
) {
// Operator is unary if positioned right to another operator
leftOperand = null;
}
}
}
// If null, the operator is unary
if (null === leftOperand) {
if (!symbol.operatesUnary) {
throw 'Error: Found operator in unary notation that is not unary.';
}
// Remember that this node represents a unary operator
node.setIsUnaryOperator(true);
} else {
if (!symbol.operatesBinary) {
console.log(symbol);
throw 'Error: Found operator in binary notation that is not binary.';
}
}
}
} else {
this.checkGrammar(node.childNodes);
}
}
}
}
exports.default = FrontCalculatorParser;
},{"../symbol/abstract/front.calculator.symbol.function.abstract":11,"../symbol/abstract/front.calculator.symbol.operator.abstract":12,"../symbol/brackets/front.calculator.symbol.closing.bracket":13,"../symbol/brackets/front.calculator.symbol.opening.bracket":14,"../symbol/front.calculator.symbol.number":17,"../symbol/front.calculator.symbol.separator":18,"./front.calculator.parser.token":3,"./node/front.calculator.parser.node.container":6,"./node/front.calculator.parser.node.function":7,"./node/front.calculator.parser.node.symbol":8}],3:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
class FrontCalculatorParserToken {
static get TYPE_WORD() {
return 1;
}
static get TYPE_CHAR() {
return 2;
}
static get TYPE_NUMBER() {
return 3;
}
constructor(type, value, position) {
/**
*
* @type {Number}
*/
this.type = type;
/**
*
* @type {String|Number}
*/
this.value = value;
/**
*
* @type {Number}
*/
this.position = position;
}
}
exports.default = FrontCalculatorParserToken;
},{}],4:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorParser = _interopRequireDefault(require("./front.calculator.parser.token"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
class FrontCalculatorParserTokenizer {
constructor(input) {
/**
*
* @type {String}
*/
this.input = input;
/**
* @type {number}
*/
this.currentPosition = 0;
}
/**
*
* @returns {FrontCalculatorParserToken[]}
*/
tokenize() {
this.reset();
var tokens = [];
var token = this.readToken();
while (token) {
tokens.push(token);
token = this.readToken();
}
return tokens;
}
/**
*
* @returns {FrontCalculatorParserToken}
*/
readToken() {
this.stepOverWhitespace();
var char = this.readCurrent();
if (null === char) {
return null;
}
var value = null;
var type = null;
if (this.isLetter(char)) {
value = this.readWord();
type = _frontCalculatorParser.default.TYPE_WORD;
} else if (this.isDigit(char) || this.isPeriod(char)) {
value = this.readNumber();
type = _frontCalculatorParser.default.TYPE_NUMBER;
} else {
value = this.readChar();
type = _frontCalculatorParser.default.TYPE_CHAR;
}
return new _frontCalculatorParser.default(type, value, this.currentPosition);
}
/**
* Returns true, if a given character is a letter (a-z and A-Z).
*
* @param char
* @returns {boolean}
*/
isLetter(char) {
if (null === char) {
return false;
}
var ascii = char.charCodeAt(0);
/**
* ASCII codes: 65 = 'A', 90 = 'Z', 97 = 'a', 122 = 'z'--
**/
return ascii >= 65 && ascii <= 90 || ascii >= 97 && ascii <= 122;
}
/**
* Returns true, if a given character is a digit (0-9).
*
* @param char
* @returns {boolean}
*/
isDigit(char) {
if (null === char) {
return false;
}
var ascii = char.charCodeAt(0);
/**
* ASCII codes: 48 = '0', 57 = '9'
*/
return ascii >= 48 && ascii <= 57;
}
/**
* Returns true, if a given character is a period ('.').
*
* @param char
* @returns {boolean}
*/
isPeriod(char) {
return '.' === char;
}
/**
* Returns true, if a given character is whitespace.
* Notice: A null char is not seen as whitespace.
*
* @param char
* @returns {boolean}
*/
isWhitespace(char) {
return [" ", "\t", "\n"].indexOf(char) >= 0;
}
stepOverWhitespace() {
while (this.isWhitespace(this.readCurrent())) {
this.readNext();
}
}
/**
* Reads a word. Assumes that the cursor of the input stream
* currently is positioned at the beginning of a word.
*
* @returns {string}
*/
readWord() {
var word = '';
var char = this.readCurrent();
// Try to read the word
while (null !== char) {
if (this.isLetter(char)) {
word += char;
} else {
break;
}
// Just move the cursor to the next position
char = this.readNext();
}
return word;
}
/**
* Reads a number (as a string). Assumes that the cursor
* of the input stream currently is positioned at the
* beginning of a number.
*
* @returns {string}
*/
readNumber() {
var number = '';
var foundPeriod = false;
// Try to read the number.
// Notice: It does not matter if the number only consists of a single period
// or if it ends with a period.
var char = this.readCurrent();
while (null !== char) {
if (this.isPeriod(char) || this.isDigit(char)) {
if (this.isPeriod(char)) {
if (foundPeriod) {
throw 'Error: A number cannot have more than one period';
}
foundPeriod = true;
}
number += char;
} else {
break;
}
// read next
char = this.readNext();
}
return number;
}
/**
* Reads a single char. Assumes that the cursor of the input stream
* currently is positioned at a char (not on null).
*
* @returns {String}
*/
readChar() {
var char = this.readCurrent();
// Just move the cursor to the next position
this.readNext();
return char;
}
/**
*
* @returns {String|null}
*/
readCurrent() {
var char = null;
if (this.hasCurrent()) {
char = this.input[this.currentPosition];
}
return char;
}
/**
* Move the the cursor to the next position.
* Will always move the cursor, even if the end of the string has been passed.
*
* @returns {String}
*/
readNext() {
this.currentPosition++;
return this.readCurrent();
}
/**
* Returns true if there is a character at the current position
*
* @returns {boolean}
*/
hasCurrent() {
return this.currentPosition < this.input.length;
}
reset() {
this.currentPosition = 0;
}
}
exports.default = FrontCalculatorParserTokenizer;
},{"./front.calculator.parser.token":3}],5:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
class FrontCalculatorParserNodeAbstract {
constructor() {}
}
exports.default = FrontCalculatorParserNodeAbstract;
},{}],6:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorParserNode = _interopRequireDefault(require("./front.calculator.parser.node.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* A parent node is a container for a (sorted) array of nodes.
*
*/
class FrontCalculatorParserNodeContainer extends _frontCalculatorParserNode.default {
constructor(childNodes) {
super();
/**
*
* @type {FrontCalculatorParserNodeAbstract[]}
*/
this.childNodes = null;
this.setChildNodes(childNodes);
}
/**
* Setter for the child nodes.
* Notice: The number of child nodes can be 0.
* @param childNodes
*/
setChildNodes(childNodes) {
childNodes.forEach(function (childNode) {
if (!(childNode instanceof _frontCalculatorParserNode.default)) {
throw 'Expected AbstractNode, but got ' + childNode.constructor.name;
}
});
this.childNodes = childNodes;
}
/**
* Returns the number of child nodes in this array node.
* Does not count the child nodes of the child nodes.
*
* @returns {number}
*/
size() {
try {
return this.childNodes.length;
} catch (e) {
return 0;
}
}
/**
* Returns true if the array node does not have any
* child nodes. This might sound strange but is possible.
*
* @returns {boolean}
*/
isEmpty() {
return !this.size();
}
}
exports.default = FrontCalculatorParserNodeContainer;
},{"./front.calculator.parser.node.abstract":5}],7:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorParserNode = _interopRequireDefault(require("./front.calculator.parser.node.container"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* A function in a term consists of the name of the function
* (the symbol of the function) and the brackets that follow
* the name and everything that is in this brackets (the
* arguments). A function node combines these two things.
* It stores its symbol in the $symbolNode property and its
* arguments in the $childNodes property which is inherited
* from the ContainerNode class.
*
*/
class FrontCalculatorParserNodeFunction extends _frontCalculatorParserNode.default {
/**
* ContainerNode constructor.
* Attention: The constructor is differs from the constructor
* of the parent class!
*
* @param childNodes
* @param symbolNode
*/
constructor(childNodes, symbolNode) {
super(childNodes);
/**
*
* @type {FrontCalculatorParserNodeSymbol}
*/
this.symbolNode = symbolNode;
}
}
exports.default = FrontCalculatorParserNodeFunction;
},{"./front.calculator.parser.node.container":6}],8:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../../symbol/abstract/front.calculator.symbol.operator.abstract"));
var _frontCalculatorParserNode = _interopRequireDefault(require("./front.calculator.parser.node.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* A symbol node is a node in the syntax tree.
* Leaf nodes do not have any child nodes
* (parent nodes can have child nodes). A
* symbol node represents a mathematical symbol.
* Nodes are created by the parser.
*
*/
class FrontCalculatorParserNodeSymbol extends _frontCalculatorParserNode.default {
constructor(token, symbol) {
super();
/**
* The token of the node. It contains the value.
*
* @type {FrontCalculatorParserToken}
*/
this.token = token;
/**
* The symbol of the node. It defines the type of the node.
*
* @type {FrontCalculatorSymbolAbstract}
*/
this.symbol = symbol;
/**
* Unary operators need to be treated specially.
* Therefore a node has to know if it (or to be
* more precise the symbol of the node)
* represents a unary operator.
* Example : -1, -4
*
* @type {boolean}
*/
this.isUnaryOperator = false;
}
setIsUnaryOperator(isUnaryOperator) {
if (!(this.symbol instanceof _frontCalculatorSymbolOperator.default)) {
throw 'Error: Cannot mark node as unary operator, because symbol is not an operator but of type ' + this.symbol.constructor.name;
}
this.isUnaryOperator = isUnaryOperator;
}
}
exports.default = FrontCalculatorParserNodeSymbol;
},{"../../symbol/abstract/front.calculator.symbol.operator.abstract":12,"./front.calculator.parser.node.abstract":5}],9:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
class FrontCalculatorSymbolAbstract {
constructor() {
/**
* Array with the 1-n (exception: the Numbers class may have 0)
* unique identifiers (the textual representation of a symbol)
* of the symbol. Example: ['/', ':']
* Attention: The identifiers are case-sensitive, however,
* valid identifiers in a term are always written in lower-case.
* Therefore identifiers always have to be written in lower-case!
*
* @type {String[]}
*/
this.identifiers = [];
}
/**
* Getter for the identifiers of the symbol.
* Attention: The identifiers will be lower-cased!
* @returns {String[]}
*/
getIdentifiers() {
var lowerIdentifiers = [];
this.identifiers.forEach(function (identifier) {
lowerIdentifiers.push(identifier.toLowerCase());
});
return lowerIdentifiers;
}
}
exports.default = FrontCalculatorSymbolAbstract;
},{}],10:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("./front.calculator.symbol.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* This class is the base class for all symbols that are of the type "constant".
* We recommend to use names as textual representations for this type of symbol.
* Please take note of the fact that the precision of PHP float constants
* (for example M_PI) is based on the "precision" directive in php.ini,
* which defaults to 14.
*/
class FrontCalculatorSymbolConstantAbstract extends _frontCalculatorSymbol.default {
constructor() {
super();
/**
* This is the value of the constant. We use 0 as an example here,
* but you are supposed to overwrite this in the concrete constant class.
* Usually mathematical constants are not integers, however,
* you are allowed to use an integer in this context.
*
* @type {number}
*/
this.value = 0;
}
}
exports.default = FrontCalculatorSymbolConstantAbstract;
},{"./front.calculator.symbol.abstract":9}],11:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("./front.calculator.symbol.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* This class is the base class for all symbols that are of the type "function".
* Typically the textual representation of a function consists of two or more letters.
*/
class FrontCalculatorSymbolFunctionAbstract extends _frontCalculatorSymbol.default {
constructor() {
super();
}
/**
* This method is called when the function is executed. A function can have 0-n parameters.
* The implementation of this method is responsible to validate the number of arguments.
* The $arguments array contains these arguments. If the number of arguments is improper,
* the method has to throw a Exceptions\NumberOfArgumentsException exception.
* The items of the $arguments array will always be of type int or float. They will never be null.
* They keys will be integers starting at 0 and representing the positions of the arguments
* in ascending order.
* Overwrite this method in the concrete operator class.
* If this class does NOT return a value of type int or float,
* an exception will be thrown.
*
* @param {int[]|float[]} params
* @returns {number}
*/
execute(params) {
return 0.0;
}
}
exports.default = FrontCalculatorSymbolFunctionAbstract;
},{"./front.calculator.symbol.abstract":9}],12:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("./front.calculator.symbol.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* This class is the base class for all symbols that are of the type "(binary) operator".
* The textual representation of an operator consists of a single char that is not a letter.
* It is worth noting that a operator has the same power as a function with two parameters.
* Operators are always binary. To mimic a unary operator you might want to create a function
* that accepts one parameter.
*/
class FrontCalculatorSymbolOperatorAbstract extends _frontCalculatorSymbol.default {
constructor() {
super();
/**
* The operator precedence determines which operators to perform first
* in order to evaluate a given term.
* You are supposed to overwrite this constant in the concrete constant class.
* Take a look at other operator classes to see the precedences of the predefined operators.
* 0: default, > 0: higher, < 0: lower
*
* @type {number}
*/
this.precedence = 0;
/**
* Usually operators are binary, they operate on two operands (numbers).
* But some can operate on one operand (number). The operand of a unary
* operator is always positioned after the operator (=prefix notation).
* Good example: "-1" Bad Example: "1-"
* If you want to create a unary operator that operates on the left
* operand, you should use a function instead. Functions with one
* parameter execute unary operations in functional notation.
* Notice: Operators can be unary AND binary (but this is a rare case)
*
* @type {boolean}
*/
this.operatesUnary = false;
/**
* Usually operators are binary, they operate on two operands (numbers).
* Notice: Operators can be unary AND binary (but this is a rare case)
*
* @type {boolean}
*/
this.operatesBinary = true;
}
operate(leftNumber, rightNumber) {
return 0.0;
}
}
exports.default = FrontCalculatorSymbolOperatorAbstract;
},{"./front.calculator.symbol.abstract":9}],13:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("../abstract/front.calculator.symbol.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
class FrontCalculatorSymbolClosingBracket extends _frontCalculatorSymbol.default {
constructor() {
super();
this.identifiers = [')'];
}
}
exports.default = FrontCalculatorSymbolClosingBracket;
},{"../abstract/front.calculator.symbol.abstract":9}],14:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("../abstract/front.calculator.symbol.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
class FrontCalculatorSymbolOpeningBracket extends _frontCalculatorSymbol.default {
constructor() {
super();
this.identifiers = ['('];
}
}
exports.default = FrontCalculatorSymbolOpeningBracket;
},{"../abstract/front.calculator.symbol.abstract":9}],15:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolConstant = _interopRequireDefault(require("../abstract/front.calculator.symbol.constant.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.PI
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/PI
*/
class FrontCalculatorSymbolConstantPi extends _frontCalculatorSymbolConstant.default {
constructor() {
super();
this.identifiers = ['pi'];
this.value = Math.PI;
}
}
exports.default = FrontCalculatorSymbolConstantPi;
},{"../abstract/front.calculator.symbol.constant.abstract":10}],16:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("./front.calculator.symbol.number"));
var _frontCalculatorSymbol2 = _interopRequireDefault(require("./front.calculator.symbol.separator"));
var _frontCalculatorSymbolOpening = _interopRequireDefault(require("./brackets/front.calculator.symbol.opening.bracket"));
var _frontCalculatorSymbolClosing = _interopRequireDefault(require("./brackets/front.calculator.symbol.closing.bracket"));
var _frontCalculatorSymbolConstant = _interopRequireDefault(require("./constants/front.calculator.symbol.constant.pi"));
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("./operators/front.calculator.symbol.operator.addition"));
var _frontCalculatorSymbolOperator2 = _interopRequireDefault(require("./operators/front.calculator.symbol.operator.division"));
var _frontCalculatorSymbolOperator3 = _interopRequireDefault(require("./operators/front.calculator.symbol.operator.exponentiation"));
var _frontCalculatorSymbolOperator4 = _interopRequireDefault(require("./operators/front.calculator.symbol.operator.modulo"));
var _frontCalculatorSymbolOperator5 = _interopRequireDefault(require("./operators/front.calculator.symbol.operator.multiplication"));
var _frontCalculatorSymbolOperator6 = _interopRequireDefault(require("./operators/front.calculator.symbol.operator.subtraction"));
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("./functions/front.calculator.symbol.function.abs"));
var _frontCalculatorSymbolFunction2 = _interopRequireDefault(require("./functions/front.calculator.symbol.function.avg"));
var _frontCalculatorSymbolFunction3 = _interopRequireDefault(require("./functions/front.calculator.symbol.function.ceil"));
var _frontCalculatorSymbolFunction4 = _interopRequireDefault(require("./functions/front.calculator.symbol.function.floor"));
var _frontCalculatorSymbolFunction5 = _interopRequireDefault(require("./functions/front.calculator.symbol.function.max"));
var _frontCalculatorSymbolFunction6 = _interopRequireDefault(require("./functions/front.calculator.symbol.function.min"));
var _frontCalculatorSymbolFunction7 = _interopRequireDefault(require("./functions/front.calculator.symbol.function.round"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
class FrontCalculatorSymbolLoader {
constructor() {
/**
*
* @type {{FrontCalculatorSymbolOperatorModulo: FrontCalculatorSymbolOperatorModulo, FrontCalculatorSymbolOperatorSubtraction: FrontCalculatorSymbolOperatorSubtraction, FrontCalculatorSymbolOperatorExponentiation: FrontCalculatorSymbolOperatorExponentiation, FrontCalculatorSymbolOperatorAddition: FrontCalculatorSymbolOperatorAddition, FrontCalculatorSymbolClosingBracket: FrontCalculatorSymbolClosingBracket, FrontCalculatorSymbolFunctionMax: FrontCalculatorSymbolFunctionMax, FrontCalculatorSymbolFunctionCeil: FrontCalculatorSymbolFunctionCeil, FrontCalculatorSymbolSeparator: FrontCalculatorSymbolSeparator, FrontCalculatorSymbolOperatorMultiplication: FrontCalculatorSymbolOperatorMultiplication, FrontCalculatorSymbolFunctionAbs: FrontCalculatorSymbolFunctionAbs, FrontCalculatorSymbolFunctionAvg: FrontCalculatorSymbolFunctionAvg, FrontCalculatorSymbolFunctionFloor: FrontCalculatorSymbolFunctionFloor, FrontCalculatorSymbolFunctionMin: FrontCalculatorSymbolFunctionMin, FrontCalculatorSymbolOperatorDivision: FrontCalculatorSymbolOperatorDivision, FrontCalculatorSymbolNumber: FrontCalculatorSymbolNumber, FrontCalculatorSymbolOpeningBracket: FrontCalculatorSymbolOpeningBracket, FrontCalculatorSymbolConstantPi: FrontCalculatorSymbolConstantPi, FrontCalculatorSymbolFunctionRound: FrontCalculatorSymbolFunctionRound}}
*/
this.symbols = {
FrontCalculatorSymbolNumber: new _frontCalculatorSymbol.default(),
FrontCalculatorSymbolSeparator: new _frontCalculatorSymbol2.default(),
FrontCalculatorSymbolOpeningBracket: new _frontCalculatorSymbolOpening.default(),
FrontCalculatorSymbolClosingBracket: new _frontCalculatorSymbolClosing.default(),
FrontCalculatorSymbolConstantPi: new _frontCalculatorSymbolConstant.default(),
FrontCalculatorSymbolOperatorAddition: new _frontCalculatorSymbolOperator.default(),
FrontCalculatorSymbolOperatorDivision: new _frontCalculatorSymbolOperator2.default(),
FrontCalculatorSymbolOperatorExponentiation: new _frontCalculatorSymbolOperator3.default(),
FrontCalculatorSymbolOperatorModulo: new _frontCalculatorSymbolOperator4.default(),
FrontCalculatorSymbolOperatorMultiplication: new _frontCalculatorSymbolOperator5.default(),
FrontCalculatorSymbolOperatorSubtraction: new _frontCalculatorSymbolOperator6.default(),
FrontCalculatorSymbolFunctionAbs: new _frontCalculatorSymbolFunction.default(),
FrontCalculatorSymbolFunctionAvg: new _frontCalculatorSymbolFunction2.default(),
FrontCalculatorSymbolFunctionCeil: new _frontCalculatorSymbolFunction3.default(),
FrontCalculatorSymbolFunctionFloor: new _frontCalculatorSymbolFunction4.default(),
FrontCalculatorSymbolFunctionMax: new _frontCalculatorSymbolFunction5.default(),
FrontCalculatorSymbolFunctionMin: new _frontCalculatorSymbolFunction6.default(),
FrontCalculatorSymbolFunctionRound: new _frontCalculatorSymbolFunction7.default()
};
}
/**
* Returns the symbol that has the given identifier.
* Returns null if none is found.
*
* @param identifier
* @returns {FrontCalculatorSymbolAbstract|null}
*/
find(identifier) {
identifier = identifier.toLowerCase();
for (var key in this.symbols) {
if (this.symbols.hasOwnProperty(key)) {
var symbol = this.symbols[key];
if (symbol.getIdentifiers().indexOf(identifier) >= 0) {
return symbol;
}
}
}
return null;
}
/**
* Returns all symbols that inherit from a given abstract
* parent type (class): The parent type has to be an
* AbstractSymbol.
* Notice: The parent type name will not be validated!
*
* @param parentTypeName
* @returns {FrontCalculatorSymbolAbstract[]}
*/
findSubTypes(parentTypeName) {
var symbols = [];
for (var key in this.symbols) {
if (this.symbols.hasOwnProperty(key)) {
var symbol = this.symbols[key];
if (symbol instanceof parentTypeName) {
symbols.push(symbol);
}
}
}
return symbols;
}
}
exports.default = FrontCalculatorSymbolLoader;
},{"./brackets/front.calculator.symbol.closing.bracket":13,"./brackets/front.calculator.symbol.opening.bracket":14,"./constants/front.calculator.symbol.constant.pi":15,"./front.calculator.symbol.number":17,"./front.calculator.symbol.separator":18,"./functions/front.calculator.symbol.function.abs":19,"./functions/front.calculator.symbol.function.avg":20,"./functions/front.calculator.symbol.function.ceil":21,"./functions/front.calculator.symbol.function.floor":22,"./functions/front.calculator.symbol.function.max":23,"./functions/front.calculator.symbol.function.min":24,"./functions/front.calculator.symbol.function.round":25,"./operators/front.calculator.symbol.operator.addition":26,"./operators/front.calculator.symbol.operator.division":27,"./operators/front.calculator.symbol.operator.exponentiation":28,"./operators/front.calculator.symbol.operator.modulo":29,"./operators/front.calculator.symbol.operator.multiplication":30,"./operators/front.calculator.symbol.operator.subtraction":31}],17:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("./abstract/front.calculator.symbol.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* This class is the class that represents symbols of type "number".
* Numbers are completely handled by the tokenizer/parser so there is no need to
* create more than this concrete, empty number class that does not specify
* a textual representation of numbers (numbers always consist of digits
* and may include a single dot).
*/
class FrontCalculatorSymbolNumber extends _frontCalculatorSymbol.default {
constructor() {
super();
}
}
exports.default = FrontCalculatorSymbolNumber;
},{"./abstract/front.calculator.symbol.abstract":9}],18:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbol = _interopRequireDefault(require("./abstract/front.calculator.symbol.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* This class is a class that represents symbols of type "separator".
* A separator separates the arguments of a (mathematical) function.
* Most likely we will only need one concrete "separator" class.
*/
class FrontCalculatorSymbolSeparator extends _frontCalculatorSymbol.default {
constructor() {
super();
this.identifiers = [','];
}
}
exports.default = FrontCalculatorSymbolSeparator;
},{"./abstract/front.calculator.symbol.abstract":9}],19:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../abstract/front.calculator.symbol.function.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.abs() function. Expects one parameter.
* Example: "abs(2)" => 2, "abs(-2)" => 2, "abs(0)" => 0
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/abs
*/
class FrontCalculatorSymbolFunctionAbs extends _frontCalculatorSymbolFunction.default {
constructor() {
super();
this.identifiers = ['abs'];
}
execute(params) {
if (params.length !== 1) {
throw 'Error: Expected one argument, got ' + params.length;
}
var number = params[0];
return Math.abs(number);
}
}
exports.default = FrontCalculatorSymbolFunctionAbs;
},{"../abstract/front.calculator.symbol.function.abstract":11}],20:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../abstract/front.calculator.symbol.function.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.abs() function. Expects one parameter.
* Example: "abs(2)" => 2, "abs(-2)" => 2, "abs(0)" => 0
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/abs
*/
class FrontCalculatorSymbolFunctionAvg extends _frontCalculatorSymbolFunction.default {
constructor() {
super();
this.identifiers = ['avg'];
}
execute(params) {
if (params.length < 1) {
throw 'Error: Expected at least one argument, got ' + params.length;
}
var sum = 0.0;
for (var i = 0; i < params.length; i++) {
sum += params[i];
}
return sum / params.length;
}
}
exports.default = FrontCalculatorSymbolFunctionAvg;
},{"../abstract/front.calculator.symbol.function.abstract":11}],21:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../abstract/front.calculator.symbol.function.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.ceil() function aka round fractions up.
* Expects one parameter.
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/ceil
*/
class FrontCalculatorSymbolFunctionCeil extends _frontCalculatorSymbolFunction.default {
constructor() {
super();
this.identifiers = ['ceil'];
}
execute(params) {
if (params.length !== 1) {
throw 'Error: Expected one argument, got ' + params.length;
}
return Math.ceil(params[0]);
}
}
exports.default = FrontCalculatorSymbolFunctionCeil;
},{"../abstract/front.calculator.symbol.function.abstract":11}],22:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../abstract/front.calculator.symbol.function.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.floor() function aka round fractions down.
* Expects one parameter.
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/floor
*/
class FrontCalculatorSymbolFunctionFloor extends _frontCalculatorSymbolFunction.default {
constructor() {
super();
this.identifiers = ['floor'];
}
execute(params) {
if (params.length !== 1) {
throw 'Error: Expected one argument, got ' + params.length;
}
return Math.floor(params[0]);
}
}
exports.default = FrontCalculatorSymbolFunctionFloor;
},{"../abstract/front.calculator.symbol.function.abstract":11}],23:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../abstract/front.calculator.symbol.function.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.max() function. Expects at least one parameter.
* Example: "max(1,2,3)" => 3, "max(1,-1)" => 1, "max(0,0)" => 0, "max(2)" => 2
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/max
*/
class FrontCalculatorSymbolFunctionMax extends _frontCalculatorSymbolFunction.default {
constructor() {
super();
this.identifiers = ['max'];
}
execute(params) {
if (params.length < 1) {
throw 'Error: Expected at least one argument, got ' + params.length;
}
return Math.max(...params);
}
}
exports.default = FrontCalculatorSymbolFunctionMax;
},{"../abstract/front.calculator.symbol.function.abstract":11}],24:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../abstract/front.calculator.symbol.function.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.min() function. Expects at least one parameter.
* Example: "min(1,2,3)" => 1, "min(1,-1)" => -1, "min(0,0)" => 0, "min(2)" => 2
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/min
*/
class FrontCalculatorSymbolFunctionMin extends _frontCalculatorSymbolFunction.default {
constructor() {
super();
this.identifiers = ['min'];
}
execute(params) {
if (params.length < 1) {
throw 'Error: Expected at least one argument, got ' + params.length;
}
return Math.min(...params);
}
}
exports.default = FrontCalculatorSymbolFunctionMin;
},{"../abstract/front.calculator.symbol.function.abstract":11}],25:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolFunction = _interopRequireDefault(require("../abstract/front.calculator.symbol.function.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Math.round() function aka rounds a float.
* Expects one parameter.
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/round
*/
class FrontCalculatorSymbolFunctionRound extends _frontCalculatorSymbolFunction.default {
constructor() {
super();
this.identifiers = ['round'];
}
execute(params) {
if (params.length !== 1) {
throw 'Error: Expected one argument, got ' + params.length;
}
return Math.round(params[0]);
}
}
exports.default = FrontCalculatorSymbolFunctionRound;
},{"../abstract/front.calculator.symbol.function.abstract":11}],26:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../abstract/front.calculator.symbol.operator.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Operator for mathematical addition.
* Example: "1+2" => 3
*
* @see https://en.wikipedia.org/wiki/Addition
*
*/
class FrontCalculatorSymbolOperatorAddition extends _frontCalculatorSymbolOperator.default {
constructor() {
super();
this.identifiers = ['+'];
this.precedence = 100;
}
operate(leftNumber, rightNumber) {
return leftNumber + rightNumber;
}
}
exports.default = FrontCalculatorSymbolOperatorAddition;
},{"../abstract/front.calculator.symbol.operator.abstract":12}],27:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../abstract/front.calculator.symbol.operator.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Operator for mathematical division.
* Example: "6/2" => 3, "6/0" => PHP warning
*
* @see https://en.wikipedia.org/wiki/Division_(mathematics)
*
*/
class FrontCalculatorSymbolOperatorDivision extends _frontCalculatorSymbolOperator.default {
constructor() {
super();
this.identifiers = ['/'];
this.precedence = 200;
}
operate(leftNumber, rightNumber) {
var result = leftNumber / rightNumber;
// // force to 0
// if (!isFinite(result)) {
// return 0;
// }
return result;
}
}
exports.default = FrontCalculatorSymbolOperatorDivision;
},{"../abstract/front.calculator.symbol.operator.abstract":12}],28:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../abstract/front.calculator.symbol.operator.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Operator for mathematical exponentiation.
* Example: "3^2" => 9, "-3^2" => -9, "3^-2" equals "3^(-2)"
*
* @see https://en.wikipedia.org/wiki/Exponentiation
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/pow
*
*/
class FrontCalculatorSymbolOperatorExponentiation extends _frontCalculatorSymbolOperator.default {
constructor() {
super();
this.identifiers = ['^'];
this.precedence = 300;
}
operate(leftNumber, rightNumber) {
return Math.pow(leftNumber, rightNumber);
}
}
exports.default = FrontCalculatorSymbolOperatorExponentiation;
},{"../abstract/front.calculator.symbol.operator.abstract":12}],29:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../abstract/front.calculator.symbol.operator.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Operator for mathematical modulo operation.
* Example: "5%3" => 2
*
* @see https://en.wikipedia.org/wiki/Modulo_operation
*
*/
class FrontCalculatorSymbolOperatorModulo extends _frontCalculatorSymbolOperator.default {
constructor() {
super();
this.identifiers = ['%'];
this.precedence = 200;
}
operate(leftNumber, rightNumber) {
return leftNumber % rightNumber;
}
}
exports.default = FrontCalculatorSymbolOperatorModulo;
},{"../abstract/front.calculator.symbol.operator.abstract":12}],30:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../abstract/front.calculator.symbol.operator.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Operator for mathematical multiplication.
* Example: "2*3" => 6
*
* @see https://en.wikipedia.org/wiki/Multiplication
*
*/
class FrontCalculatorSymbolOperatorMultiplication extends _frontCalculatorSymbolOperator.default {
constructor() {
super();
this.identifiers = ['*'];
this.precedence = 200;
}
operate(leftNumber, rightNumber) {
return leftNumber * rightNumber;
}
}
exports.default = FrontCalculatorSymbolOperatorMultiplication;
},{"../abstract/front.calculator.symbol.operator.abstract":12}],31:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _frontCalculatorSymbolOperator = _interopRequireDefault(require("../abstract/front.calculator.symbol.operator.abstract"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* Operator for mathematical subtraction.
* Example: "2-1" => 1
*
* @see https://en.wikipedia.org/wiki/Subtraction
*
*/
class FrontCalculatorSymbolOperatorSubtraction extends _frontCalculatorSymbolOperator.default {
constructor() {
super();
this.identifiers = ['-'];
this.precedence = 100;
/**
* Notice: The subtraction operator is unary AND binary!
*
* @type {boolean}
*/
this.operatesUnary = true;
}
operate(leftNumber, rightNumber) {
return leftNumber - rightNumber;
}
}
exports.default = FrontCalculatorSymbolOperatorSubtraction;
},{"../abstract/front.calculator.symbol.operator.abstract":12}]},{},[1]);