Class: Emendate::FormatStandardizer

Inherits:
Object
  • Object
show all
Includes:
DateUtils
Defined in:
lib/emendate/format_standardizer.rb

Overview

TODO:

Clean all date part tagging and date segmentation (i.e. creation of date type objects) from this step

Makes the format of date patterns more consistent.

Collapses some segments (e.g. comma in “Jan 1, 2000”).

Adds blank-lexeme segments (e.g. changing “Jan 2-5 2000” to “Jan 2 2000 - Jan 5 2000). These add the necessary type and literal information without changing the lexeme value.

Class Method Summary collapse

Instance Method Summary collapse

Methods included from DateUtils

#expand_shorter_digits, #is_range?, #max_season, #min_season, #month_abbr_literal, #month_literal, #possible_range?, #valid_date?, #valid_day?, #valid_month?, #valid_month_or_season?, #valid_season?, #valid_year?

Constructor Details

#initialize(tokens) ⇒ FormatStandardizer

Returns a new instance of FormatStandardizer.



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# File 'lib/emendate/format_standardizer.rb', line 24

def initialize(tokens)
  @result = Emendate::SegmentSet.new.copy(tokens)
end

Class Method Details

.call ⇒ Object 



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# File 'lib/emendate/format_standardizer.rb', line 19

def call(...)
  new(...).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/emendate/format_standardizer.rb', line 28

def call
  while standardizable
    function = determine_standardizer
    break if function.nil?

    pre = result.types.dup
    function.call
    TokenCollapser.call(result).either(
      ->(success) { @result = success },
      ->(failure) { next }
    )
    break if result.types == pre
  end
  Success(result)
end