59 lines
1.1 KiB
JavaScript
59 lines
1.1 KiB
JavaScript
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/**
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* The MIT License (MIT)
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* Copyright (c) 2017-present Dmitry Soshnikov <dmitry.soshnikov@gmail.com>
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*/
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'use strict';
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var NFA = require('./nfa/nfa');
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var DFA = require('./dfa/dfa');
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var nfaFromRegExp = require('./nfa/nfa-from-regexp');
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var builders = require('./nfa/builders');
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module.exports = {
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/**
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* Export NFA and DFA classes.
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*/
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NFA: NFA,
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DFA: DFA,
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/**
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* Expose builders.
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*/
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builders: builders,
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/**
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* Builds an NFA for the passed regexp.
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*
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* @param string | AST | RegExp:
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*
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* a regular expression in different representations: a string,
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* a RegExp object, or an AST.
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*/
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toNFA: function toNFA(regexp) {
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return nfaFromRegExp.build(regexp);
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},
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/**
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* Builds DFA for the passed regexp.
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*
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* @param string | AST | RegExp:
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*
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* a regular expression in different representations: a string,
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* a RegExp object, or an AST.
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*/
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toDFA: function toDFA(regexp) {
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return new DFA(this.toNFA(regexp));
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},
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/**
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* Returns true if regexp accepts the string.
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*/
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test: function test(regexp, string) {
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return this.toDFA(regexp).matches(string);
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}
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};
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