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/*
*/
var moment = require('moment');
var Parser = require('../parser').Parser;
var ParsedResult = require('../../result').ParsedResult;
var util = require('../../utils/FR');
var DAYS_OFFSET = util.WEEKDAY_OFFSET;
var PATTERN = new RegExp('(\\W|^)' +
'(?:(Dimanche|Lundi|Mardi|mercredi|Jeudi|Vendredi|Samedi|Dim|Lun|Mar|Mer|Jeu|Ven|Sam)\\s*,?\\s*)?' +
'([0-9]{1,2}|1er)' +
'(?:\\s*(?:au|\\-|\\–|jusqu\'au?|\\s)\\s*([0-9]{1,2})(?:er)?)?\\s*(?:de)?\\s*' +
'(Jan(?:vier|\\.)?|F[ée]v(?:rier|\\.)?|Mars|Avr(?:il|\\.)?|Mai|Juin|Juil(?:let|\\.)?|Ao[uû]t|Sept(?:embre|\\.)?|Oct(?:obre|\\.)?|Nov(?:embre|\\.)?|d[ée]c(?:embre|\\.)?)' +
'(?:\\s*(\\s*[0-9]{1,4}(?![^\\s]\\d))(?:\\s*(AC|[ap]\\.?\\s*c(?:h(?:r)?)?\\.?\\s*n\\.?))?)?' +
'(?=\\W|$)', 'i'
);
var WEEKDAY_GROUP = 2;
var DATE_GROUP = 3;
var DATE_TO_GROUP = 4;
var MONTH_NAME_GROUP = 5;
var YEAR_GROUP = 6;
var YEAR_BE_GROUP = 7;
exports.Parser = function FRMonthNameLittleEndianParser(){
Parser.apply(this, arguments);
this.pattern = function() { return PATTERN; }
this.extract = function(text, ref, match, opt){
var result = new ParsedResult({
text: match[0].substr(match[1].length, match[0].length - match[1].length),
index: match.index + match[1].length,
ref: ref,
});
var month = match[MONTH_NAME_GROUP];
month = util.MONTH_OFFSET[month.toLowerCase()];
var day = match[DATE_GROUP];
day = parseInt(day);
var year = null;
if (match[YEAR_GROUP]) {
year = match[YEAR_GROUP];
year = parseInt(year);
if(match[YEAR_BE_GROUP]){
if (/a/i.test(match[YEAR_BE_GROUP])) {
// Ante Christe natum
year = -year;
}
} else if (year < 100){
year = year + 2000;
}
}
if(year){
result.start.assign('day', day);
result.start.assign('month', month);
result.start.assign('year', year);
} else {
// Find the most appropriated year
var refMoment = moment(ref);
refMoment.month(month - 1);
refMoment.date(day);
refMoment.year(moment(ref).year());
var nextYear = refMoment.clone().add(1, 'y');
var lastYear = refMoment.clone().add(-1, 'y');
if( Math.abs(nextYear.diff(moment(ref))) < Math.abs(refMoment.diff(moment(ref))) ){
refMoment = nextYear;
}
else if( Math.abs(lastYear.diff(moment(ref))) < Math.abs(refMoment.diff(moment(ref))) ){
refMoment = lastYear;
}
result.start.assign('day', day);
result.start.assign('month', month);
result.start.imply('year', refMoment.year());
}
// Weekday component
if (match[WEEKDAY_GROUP]) {
var weekday = match[WEEKDAY_GROUP];
weekday = util.WEEKDAY_OFFSET[weekday.toLowerCase()]
result.start.assign('weekday', weekday);
}
// Text can be 'range' value. Such as '12 - 13 janvier 2012'
if (match[DATE_TO_GROUP]) {
result.end = result.start.clone();
result.end.assign('day', parseInt(match[DATE_TO_GROUP]));
}
result.tags['FRMonthNameLittleEndianParser'] = true;
return result;
};
}
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