Class: Horai::JaJP

Inherits:
Parser show all
Defined in:
lib/horai/parser/ja_jp.rb

Constant Summary collapse

NORMALIZE_FROM = 
'０-９ａ-ｚＡ-Ｚ：'
NORMALIZE_TO = 
'0-9a-zA-Z:'
AFTERNOON_PATTERN = 
(/午後|ごご|夜|よる|(?<![a-z])pm(?![a-z])/i)

Constants inherited from Parser

Parser::DATE_DELIMITER, Parser::TIME_DELIMITER

Instance Method Summary collapse

Methods inherited from Parser

#datetime_delta, #filter, #filters, #now, parse, #parse, #truncate_time, #year_normalize

Instance Method Details

#normalize(text) ⇒ Object 



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# File 'lib/horai/parser/ja_jp.rb', line 192

def normalize(text)
  normalized = text
  normalized.tr!(NORMALIZE_FROM, NORMALIZE_TO)
  digits = "一二三四五六七八九十百千"
  classes = "万億兆"
  normalized.gsub!(/[#{digits}][#{digits}#{classes}]*/) do |match|
    JaNumber::JaNumberParser::parse(match)
  end
  return normalized
end

#register_filters ⇒ Object 



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# File 'lib/horai/parser/ja_jp.rb', line 12

def register_filters
  dd = DATE_DELIMITER
  td = TIME_DELIMITER

  # 年 (絶対)
  filter /(\d+)年/, :absolute do |text, matches, date|
    year = year_normalize(matches[1].to_i)
    truncate_time(datetime_delta(date, year: year, month: 1, day: 1))
  end

  filter /一昨[々昨]年|さきおととし|いっさくさくねん/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date - 3.year, month: 1, day: 1))
  end

  filter /一昨年|おととし|いっさくねん/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date - 2.year, month: 1, day: 1))
  end

  filter /去年|昨年|きょねん|さくねん/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date - 1.year, month: 1, day: 1))
  end

  filter /今年|本年|ことし|ほんねん/, :absolute do |text, matches, date|
  end

  filter /来年|明年|らいねん|みょうねん/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date + 1.year, month: 1, day: 1))
  end

  filter /再来年|明後年|さらいねん|みょうごねん/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date + 2.year, month: 1, day: 1))
  end

  filter /明[々明]後年|みょうみょうごねん/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date + 3.year, month: 1, day: 1))
  end

  # 月 (絶対)
  filter /(\d+)月/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date, month: matches[1].to_i, day: 1))
  end

  filter /[先前][々先前]{3}月|せんせんせんげつ/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date - 3.month, day: 1))
  end

  filter /[先前][々先前]月|せんせんげつ/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date - 2.month, day: 1))
  end

  filter /先月|前月|せんげつ/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date - 1.month, day: 1))
  end

  filter /今月|こんげつ/, :absolute do |text, matches, date|
  end

  filter /来月|らいげつ/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date + 1.month, day: 1))
  end

  filter /再来月|来[々来]月|さらいげつ|らいらいげつ/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date + 2.month, day: 1))
  end

  filter /再[々再]来月|ささらいげつ/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date + 3.month, day: 1))
  end

  # 日 (絶対)
  filter /(\d+)日/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date, day: matches[1]))
  end

  filter /一昨[々昨]日|さきおと[とつ]い|いっさくさくじつ/, :absolute do |text, matches, date|
    truncate_time(date - 3.day)
  end

  filter /一昨日|おと[とつ]い|いっさくじつ/, :absolute do |text, matches, date|
    truncate_time(date - 2.day)
  end

  filter /昨日|きのう|さくじつ/, :absolute do |text, matches, date|
    truncate_time(date - 1.day)
  end

  filter /明日|あした|みょうじつ/, :absolute do |text, matches, date|
    truncate_time(date + 1.day)
  end

  filter /明後日|あさって|みょうごにち/, :absolute do |text, matches, date|
    truncate_time(date + 2.day)
  end

  filter /明[々明]後日|しあさって|みょうみょうごにち/, :absolute do |text, matches, date|
    truncate_time(date + 3.day)
  end

  # 月日表現 (絶対)
  filter /(?<![\d\/-])(?<!\d)(\d{1,2})#{dd}(\d{1,2})(?!#{dd})/, :absolute do |text, matches, date|
    truncate_time(datetime_delta(date, month: matches[1], day: matches[2]))
  end

  # 年月日表現 (絶対)
  filter /(?<![\d\/-])(\d{1,2}|\d{4})#{dd}(\d{1,2})#{dd}(\d{1,2})(?!#{dd})/, :absolute do |text, matches, date|
    year = year_normalize(matches[1].to_i)
    truncate_time(datetime_delta(date, year: year, month: matches[2], day: matches[3]))
  end

  # 時分表現 (絶対)
  filter /(?<![\d:])(\d{1,2})#{td}(\d{2})(?!#{td})/, :absolute do |text, matches, date|
    datetime_delta(date, hour: matches[1], minute: matches[2], second: 0)
  end

  # 時分秒表現 (絶対)
  filter /(?<![\d:])(\d{1,2})#{td}(\d{2})#{td}(\d{2})(?!#{td})/, :absolute do |text, matches, date|
    datetime_delta(date, hour: matches[1], minute: matches[2], second: matches[3])
  end

  # 時間 (絶対)
  filter /正午/, :absolute do |text, matches, date|
    datetime_delta(date, hour: 12, minute: 0, second: 0)
  end

  filter /(\d+)時(半)?/, :absolute do |text, matches, date|
    hour = matches[1]
    minute = matches[2] ? 30 : 0
    date = datetime_delta(date, hour: hour, minute: minute, second: 0)
    date += 12.hour if date.hour <= 12 && text =~ AFTERNOON_PATTERN
    date
  end

  filter /(\d+)分(半)?/, :absolute do |text, matches, date|
    minute = matches[1]
    second = matches[2] ? 30 : 0
    datetime_delta(date, minute: minute, second: second)
  end

  filter /(\d+)秒/, :absolute do |text, matches, date|
    datetime_delta(date, second: matches[1])
  end

  # 年 (相対)
  filter /(\d+)年/, :relative do |text, matches, date|
    date + matches[1].to_i.year
  end

  # 月 (相対)
  filter /(\d+)月/, :relative do |text, matches, date|
    date + matches[1].to_i.month
  end

  # 日 (相対)
  filter /(\d+)日/, :relative do |text, matches, date|
    date + matches[1].to_f.day
  end

  # 時間 (相対)
  filter /(\d+)時間(半)?/, :relative do |text, matches, date|
    date + matches[1].to_f.hour + (matches[2] ? 0.5 : 0.0).hour
  end

  filter /(\d+)分(半)?/, :relative do |text, matches, date|
    date + matches[1].to_f.minute + (matches[2] ? 0.5 : 0.0).minute
  end

  filter /(\d+)秒/, :relative do |text, matches, date|
    date + matches[1].to_f.second
  end
end

#relative?(text) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/horai/parser/ja_jp.rb', line 187

def relative?(text)
  unit = /(?:年|ねん)|(?:月|がつ)|(?:日|にち)|(?:分|ふん|ぷん)|(?:時間?|じ(?:かん)?)|(?:秒|びょう)/
  text =~ (/(\d+)#{unit}#{relative_keyword_patterns}/)
end

#relative_keyword_patterns ⇒ Object 



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# File 'lib/horai/parser/ja_jp.rb', line 183

def relative_keyword_patterns
  (/(?<![明午])後(?![年月日])|(?:[経た]っ|し)たら/)
end