Class: Quando::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/quando/config.rb

Constant Summary collapse

MONTHS = 
[:jan, :feb, :mar, :apr, :may, :jun, :jul, :aug, :sep, :oct, :nov, :dec]

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Config

Returns a new instance of Config.



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# File 'lib/quando/config.rb', line 16

def initialize
  @century = 2000

  @dlm = /[ -.\/]+/
  @year = /(?<year> \d{4})/x
  @year2 = /(?<year> \d{2})/x
  @month_num = /(?<month> 1[0-2] | 0?[1-9])/x
  @day = /(?<day> 3[0-1] | [12][0-9] | 0?[1-9])/x

  @jan = /JAN(?:UARY)?/xi
  @feb = /FEB(?:RUARY)? /xi
  @mar = /MAR(?:CH)?/xi
  @apr = /APR(?:IL)?/xi
  @may = /MAY/xi
  @jun = /JUNE?/xi
  @jul = /JULY?/xi
  @aug = /AUG(?:UST)?/xi
  @sep = /SEP(?:TEMBER)?/xi
  @oct = /OCT(?:OBER)?/xi
  @nov = /NOV(?:EMBER)? /xi
  @dec = /DEC(?:EMBER)? /xi

  uniupdate!
end

Instance Method Details

#uniformats! ⇒ Object

Sets @formats which is an array of regexps used in succession to match and identify parts of the dates



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# File 'lib/quando/config.rb', line 48

def uniformats!
  @formats = [
    # Formats with a 4-digits year
    # 14.4.1965, 14/04/1965, 14-4-1965, 14 04 1965, …
    /\A\s* #{@day} #{@dlm} #{@month_num} #{@dlm} #{@year} \s*\z/xi,

    # 14-APRIL-1965, 14-apr-1965, 14/Apr/1965, …
    /\A\s* #{@day} #{@dlm} #{@month_txt} #{@dlm} #{@year} \s*\z/xi,

    # April 1965, apr.1965, …
    /\A\s* #{@month_txt} #{@dlm} #{@year} \s*\z/xi,

    # Same formats with a 2-digits year
    # 13.12.05, 13/12/05, 13-12-05, …
    /\A\s* #{@day} #{@dlm} #{@month_num} #{@dlm} #{@year2} \s*\z/xi,

    # April, DECEMBER, sep., …
    /\A\s* #{@month_txt} \s*\z/xi,
  ]
end

#unimonth! ⇒ Object

Sets @month_txt which is a compound of all month regexps and matches any month name



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# File 'lib/quando/config.rb', line 42

def unimonth!
  all_months_txt_rxs = MONTHS.map { |m| instance_variable_get("@#{m}".to_sym) }.join('|')
  @month_txt = Regexp.new("(?<month>#{all_months_txt_rxs})", true)
end

#uniupdate! ⇒ Object

A single method to update all compound matchers when a part matcher was changed



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# File 'lib/quando/config.rb', line 70

def uniupdate!
  unimonth!
  uniformats!
end