parser-combinator/build/lib/standard/token-bundle.js

Parser combinators

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _index = require('../parsec/index');

function _inQuote() {
    return _index.C.char('"').then(_index.C.notChar('"').rep().map(function (item) {
        return item.array();
    })).then(_index.C.char('"'));
}

// accept simon@gmail.com, but also  simon"le gr@nd"@gmail.com
function email() {
    var illegalCharSet1 = ' @\xA0\n\t';
    var illegalCharSet2 = ' @\xA0\n\t.';

    return _inQuote().or(_index.C.charNotIn(illegalCharSet1)).rep().map(function (item) {
        return item.array();
    }) // this mean:   repeat(inQuote or anyCharacter)
    .then(_index.C.char('@')).then(_index.C.charNotIn(illegalCharSet2).rep().map(function (item) {
        return item.array();
    })).then(_index.C.char('.')).then(_index.C.charNotIn(illegalCharSet2).rep().map(function (item) {
        return item.array();
    })).map(function (characters) {
        return { email: characters.join('') };
    });
}

function date() {
    return _index.N.digits.then(_index.C.charIn('-/').thenReturns('-')).then(_index.N.digits).then(_index.C.charIn('-/').thenReturns('-')).then(_index.N.digits).map(function (dateValues) {
        return dateValues[4] > 2000 ? dateValues.reverse() : dateValues;
    }).map(function (dateArray) {
        return dateArray.join('');
    });
}

function blank() {
    var charsOrParser = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ' \t';

    if (typeof charsOrParser === 'string') {
        return _index.C.charIn(charsOrParser).optrep().thenReturns('');
    } else {
        return charsOrParser.optrep().thenReturns('');
    }
}

function eol() {
    return _index.C.char('\n').or(_index.C.string('\r\n'));
}

exports.default = {
    email: email,
    date: date,
    blank: blank,
    eol: eol()
};
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