Class: Tickle::Repeater

Inherits:
Chronic::Tag
  • Object
show all
Defined in:
lib/tickle/repeater.rb

Overview

:nodoc:

Class Method Summary collapse

Class Method Details

.scan(tokens) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 3

def self.scan(tokens)
  # for each token
  tokens.each do |token|
    token = self.scan_for_numbers(token)
    token = self.scan_for_ordinal_names(token) unless token.type
    token = self.scan_for_ordinals(token) unless token.type
    token = self.scan_for_month_names(token) unless token.type
    token = self.scan_for_day_names(token) unless token.type
    token = self.scan_for_year_name(token) unless token.type
    token = self.scan_for_special_text(token) unless token.type
    token = self.scan_for_units(token) unless token.type
  end
  tokens
end

.scan_for_day_names(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 84

def self.scan_for_day_names(token)
  scanner = {/^m[ou]n(day)?$/ => :monday,
    /^t(ue|eu|oo|u|)s(day)?$/ => :tuesday,
    /^tue$/ => :tuesday,
    /^we(dnes|nds|nns)day$/ => :wednesday,
    /^wed$/ => :wednesday,
    /^th(urs|ers)day$/ => :thursday,
    /^thu$/ => :thursday,
    /^fr[iy](day)?$/ => :friday,
    /^sat(t?[ue]rday)?$/ => :saturday,
  /^su[nm](day)?$/ => :sunday}
  scanner.keys.each do |scanner_item|
    token.update(:weekday, scanner[scanner_item], 7) if scanner_item =~ token.word
  end
  token
end

.scan_for_month_names(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 65

def self.scan_for_month_names(token)
  scanner = {/^jan\.?(uary)?$/ => 1,
    /^feb\.?(ruary)?$/ => 2,
    /^mar\.?(ch)?$/ => 3,
    /^apr\.?(il)?$/ => 4,
    /^may$/ => 5,
    /^jun\.?e?$/ => 6,
    /^jul\.?y?$/ => 7,
    /^aug\.?(ust)?$/ => 8,
    /^sep\.?(t\.?|tember)?$/ => 9,
    /^oct\.?(ober)?$/ => 10,
    /^nov\.?(ember)?$/ => 11,
  /^dec\.?(ember)?$/ => 12}
  scanner.keys.each do |scanner_item|
    token.update(:month_name, scanner[scanner_item], 30) if scanner_item =~ token.word
  end
  token
end

.scan_for_numbers(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 18

def self.scan_for_numbers(token)
  regex = /\b(\d\d?)\b/
  token.update(:number, token.word.gsub(regex,'\1').to_i, token.word.gsub(regex,'\1').to_i) if token.word =~ regex
  token
end

.scan_for_ordinal_names(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 24

def self.scan_for_ordinal_names(token)
  scanner = {/first/ => '1st',
    /second/ => '2nd',
    /third/ => '3rd',
    /fourth/ => '4th',
    /fifth/ => '5th',
    /sixth/ => '6th',
    /seventh/ => '7th',
    /eighth/ => '8th',
    /ninth/ => '9th',
    /tenth/ => '10th',
    /eleventh/ => '11th',
    /twelfth/ => '12th',
    /thirteenth/ => '13th',
    /fourteenth/ => '14th',
    /fifteenth/ => '15th',
    /sixteenth/ => '16th',
    /seventeenth/ => '17th',
    /eighteenth/ => '18th',
    /nineteenth/ => '19th',
    /twentieth/ => '20th',
    /thirtieth/ => '30th',
  }
  scanner.keys.each do |scanner_item|
    if scanner_item =~ token.original
      token.word = scanner[scanner_item]
      token.update(:ordinal, scanner[scanner_item].ordinal_as_number, Tickle.days_in_month(Tickle.get_next_month(scanner[scanner_item].ordinal_as_number)))
    end
  end
  token
end

.scan_for_ordinals(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 56

def self.scan_for_ordinals(token)
  regex = /\b(\d*)(st|nd|rd|th)\b/
  if token.original =~ regex
    token.word = token.original
    token.update(:ordinal, token.word.ordinal_as_number, Tickle.days_in_month(Tickle.get_next_month(token.word)))
  end
  token
end

.scan_for_special_text(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 107

def self.scan_for_special_text(token)
  scanner = {/^other$/ => :other,
    /^begin(ing|ning)?$/ => :beginning,
    /^start$/ => :beginning,
    /^end$/ => :end,
  /^mid(d)?le$/ => :middle}
  scanner.keys.each do |scanner_item|
    token.update(:special, scanner[scanner_item], 7) if scanner_item =~ token.word
  end
  token
end

.scan_for_units(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 119

def self.scan_for_units(token)
  scanner = {/^year(ly)?s?$/ => {:type => :year, :interval => 365, :start => :today},
    /^month(ly)?s?$/ => {:type => :month, :interval => 30, :start => :today},
    /^fortnights?$/ => {:type => :fortnight, :interval => 365, :start => :today},
    /^week(ly)?s?$/ => {:type => :week, :interval => 7, :start => :today},
    /^weekends?$/ => {:type => :weekend, :interval => 7, :start => :saturday},
    /^days?$/ => {:type => :day, :interval => 0, :start => :today},
  /^daily?$/ => {:type => :day, :interval => 0, :start => :today}}
  scanner.keys.each do |scanner_item|
    if scanner_item =~ token.word
      token.update(scanner[scanner_item][:type], scanner[scanner_item][:start], scanner[scanner_item][:interval]) if scanner_item =~ token.word
    end
  end
  token
end

.scan_for_year_name(token) ⇒ Object 



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# File 'lib/tickle/repeater.rb', line 101

def self.scan_for_year_name(token)
  regex = /\b\d{4}\b/
  token.update(:specific_year, token.original.gsub(regex,'\1'), 365) if token.original =~ regex
  token
end