Module: PositiveWebSupport::StringExt

Defined in:
lib/positive_web_support/string_ext.rb

WebColor を表す文字列に対するメソッド collapse

Instance Method Summary collapse

Instance Method Details

#hex_string? ⇒ Boolean

16進数の文字列か否かを判定するメソッド

Returns:

  • (Boolean) 


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# File 'lib/positive_web_support/string_ext.rb', line 5

def hex_string?
  /\A[\da-fA-F]+\Z/ === self
end

#is_web_color?(with_sharp: nil) ⇒ Boolean

WebColor の文字列であるか否かを判定するメソッド

Returns:

  • (Boolean) 


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# File 'lib/positive_web_support/string_ext.rb', line 13

def is_web_color?( with_sharp: nil )
  raise "Error" unless with_sharp.nil? or with_sharp.boolean?

  # nil
  if with_sharp.nil?
    is_web_color_without_sharp? or is_web_color_with_sharp?
  # true
  elsif with_sharp
    is_web_color_with_sharp?
  # false
  else
    is_web_color_without_sharp?
  end
end

#to_rgb_color ⇒ ::Array <Integer (natural number)>

WebColor を RgbColor に変換するメソッド

Returns:

  • (::Array <Integer (natural number)>) 


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# File 'lib/positive_web_support/string_ext.rb', line 30

def to_rgb_color
  unless is_web_color?
    raise "Error"
  end
  gsub( /\#/ , "" ).each_char.each_slice(2).map{ | ary | ary.join.hex }
end

#to_rgb_color_in_parentheses ⇒ Object 



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# File 'lib/positive_web_support/string_ext.rb', line 37

def to_rgb_color_in_parentheses
  str = to_rgb_color.join( " , " )
  "(#{str})"
end