diff options
Diffstat (limited to 'bin/wiki/ImportarDesdeURL/node_modules/chrono-node/src/parsers/en/ENMonthNameParser.js')
-rw-r--r-- | bin/wiki/ImportarDesdeURL/node_modules/chrono-node/src/parsers/en/ENMonthNameParser.js | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/bin/wiki/ImportarDesdeURL/node_modules/chrono-node/src/parsers/en/ENMonthNameParser.js b/bin/wiki/ImportarDesdeURL/node_modules/chrono-node/src/parsers/en/ENMonthNameParser.js new file mode 100644 index 00000000..97800dc5 --- /dev/null +++ b/bin/wiki/ImportarDesdeURL/node_modules/chrono-node/src/parsers/en/ENMonthNameParser.js @@ -0,0 +1,95 @@ +/* + + The parser for parsing month name and year. + + EX. + - January + - January 2012 + - January, 2012 +*/ + +var moment = require('moment'); + +var Parser = require('../parser').Parser; +var ParsedResult = require('../../result').ParsedResult; +var util = require('../../utils/EN'); + +var PATTERN = new RegExp('(^|\\D\\s+|[^\\w\\s])' + + '('+ util.MONTH_PATTERN +')' + + '\\s*' + + '(?:' + + '[,-]?\\s*([0-9]{4})(\\s*BE|AD|BC)?' + + ')?' + + '(?=[^\\s\\w]|\\s+[^0-9]|\\s+$|$)', 'i'); + +var MONTH_NAME_GROUP = 2; +var YEAR_GROUP = 3; +var YEAR_BE_GROUP = 4; + +exports.Parser = function ENMonthNameParser(){ + 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 = 1; + + var year = null; + if (match[YEAR_GROUP]) { + year = match[YEAR_GROUP]; + year = parseInt(year); + + if(match[YEAR_BE_GROUP]){ + if (match[YEAR_BE_GROUP].match(/BE/)) { + // Buddhist Era + year = year - 543; + } else if (match[YEAR_BE_GROUP].match(/BC/)) { + // Before Christ + year = -year; + } + + } else if (year < 100){ + + year = year + 2000; + } + } + + if(year){ + result.start.imply('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); + + 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.imply('day', day); + result.start.assign('month', month); + result.start.imply('year', refMoment.year()); + } + + result.tags['ENMonthNameParser'] = true; + return result; + } +} |