Class: CTioga2::MetaBuilder::Types::SetParameter

Inherits:
ArrayParameter show all
Defined in:
lib/ctioga2/metabuilder/types/lists.rb

Overview

A Type used for sets for Graphics::Styles::CircularArray objects.

todo write a gradient stuff !!!

Instance Attribute Summary

Attributes inherited from CTioga2::MetaBuilder::Type

#passthrough, #re_shortcuts, #shortcuts, #type

Instance Method Summary collapse

Methods inherited from ArrayParameter

#type_to_string_internal

Methods inherited from CTioga2::MetaBuilder::Type

#boolean?, #default_value, from_string, get_param_type, get_type, #option_parser_long_option, #option_parser_option, #string_to_type, type_name, #type_to_string

Constructor Details

#initialize(type) ⇒ SetParameter

Returns a new instance of SetParameter.



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# File 'lib/ctioga2/metabuilder/types/lists.rb', line 181

def initialize(type)
  super
  @separator = /\s*\|\s*/
  @separator_out = '|'
end

Instance Method Details

#string_to_type_internal(str) ⇒ Object 



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# File 'lib/ctioga2/metabuilder/types/lists.rb', line 191

def string_to_type_internal(str)
  multiply = nil
  if str =~ /(.*)\*\s*(\d+)\s*$/
    multiply = $2.to_i
    str = $1
  end
  if str =~ /^\s*gradient:(.+)--(.+),(\d+)\s*$/
    s,e,nb = $1, $2, $3.to_i
    s,e = @subtype.string_to_type(s),@subtype.string_to_type(e)
    fact = if nb > 1
             1.0/(nb - 1)     # The famous off-by one...
           else
             warn { "Incorrect gradient number: #{nb}" }
             1.0
           end
    array = []
    nb.times do |i|
      array << Utils::mix_objects(e,s, i * fact)
    end
  else
    array = super
  end
  if multiply
    # Seems that I've finally managed to understand what zip
    # is useful for !
    array = array.zip(*([array]*(multiply-1))).flatten(1)
  end
  return array
end

#type_name ⇒ Object 



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# File 'lib/ctioga2/metabuilder/types/lists.rb', line 187

def type_name
  return 'set'
end