parser-combinator/build/lib/standard/markdown/bullet-parser.js

Parser combinators

'use strict';

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

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

var _index2 = require('../../stream/index');

var _index3 = _interopRequireDefault(_index2);

var _textParser = require('./text-parser');

var _textParser2 = _interopRequireDefault(_textParser);

var _token = require('./token');

var _token2 = _interopRequireDefault(_token);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Created by Simon on 24/12/2016.
 */

function stop() {
    return _index.F.eos.or(_index.C.charIn('\r\n*`'));
}

function pureText() {
    return _index.F.not(stop()).rep().map(function (chars) {
        return chars.join('');
    });
}

function formattedSequence() {
    return _textParser2.default.formattedSequence(pureText(), stop());
}

function bulletLv1() {
    return _index.C.char('\n').optrep().then(_index.C.charIn('*-')) //first character of a bullet is  * or -
    .then(_index.C.charIn(' \xA0')) // second character of a bullet is space or non-breakable space
    .thenRight(formattedSequence()).map(function (someText) {
        return { bullet: { level: 1, content: someText.array() } };
    });
}

function bulletLv2() {
    return _index.C.char('\n').optrep().then(_token2.default.fourSpacesBlock()).then(_index.C.char(' ').optrep()) //careful. This will accept 8 space. therefore the code-parser must have higher priority
    .then(_index.C.charIn('*-')) //first character of a bullet is  * or -
    .then(_index.C.charIn(' \xA0')) // second character of a bullet is space or non-breakable space
    .thenRight(formattedSequence()).map(function (someText) {
        return { bullet: { level: 2, content: someText.array() } };
    });
}

function bullet() {
    return _index.F.try(bulletLv2()).or(bulletLv1());
}

function parseBullet(line) {
    var offset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;

    return bullet().parse(_index3.default.ofString(line), offset);
}

exports.default = {
    bulletLv1: bulletLv1,
    bulletLv2: bulletLv2,
    bullet: bullet,

    parse: function parse(line) {
        return parseBullet(line, 0);
    }
};
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