Class: Runt::DIWeek

Inherits:
Object
  • Object
show all
Includes:
TExpr
Defined in:
lib/runt/temporalexpression.rb

Overview

TExpr that matches days of the week where the first argument is an integer denoting the ordinal day of the week. Valid values are 0..6 where 0 == Sunday and 6==Saturday

For example:

DIWeek.new(0)

Using constants defined in the base Runt module, you can re-write the first example above as:

   DIWeek.new(Sunday)

See also: Date, Runt

Constant Summary collapse

VALID_RANGE = 
0..6

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from TExpr

#&, #-, #and, #dates, #minus, #or, #|

Constructor Details

#initialize(ordinal_weekday) ⇒ DIWeek

Returns a new instance of DIWeek.



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# File 'lib/runt/temporalexpression.rb', line 392

def initialize(ordinal_weekday)
  unless VALID_RANGE.include?(ordinal_weekday)
    raise ArgumentError, 'invalid ordinal day of week'
  end
  @ordinal_weekday = ordinal_weekday
end

Instance Attribute Details

#ordinal_weekday ⇒ Object (readonly)

Returns the value of attribute ordinal_weekday.



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# File 'lib/runt/temporalexpression.rb', line 390

def ordinal_weekday
  @ordinal_weekday
end

Instance Method Details

#==(o) ⇒ Object 



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# File 'lib/runt/temporalexpression.rb', line 399

def ==(o)
  o.is_a?(DIWeek) ? ordinal_weekday == o.ordinal_weekday : super(o)
end

#include?(date) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/runt/temporalexpression.rb', line 403

def include?(date)
  @ordinal_weekday == date.wday
end

#to_s ⇒ Object 



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# File 'lib/runt/temporalexpression.rb', line 407

def to_s
  "#{Runt.day_name(@ordinal_weekday)}"
end