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