Class: Cul::Image::Properties::Exif::TagEntry

Inherits:
Object
  • Object
show all
Defined in:
lib/cul_image_props/image/properties/exif/types.rb

Overview

first element of tuple is tag name, optional second element is another dictionary giving names to values

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, value = false) ⇒ TagEntry

Returns a new instance of TagEntry.



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# File 'lib/cul_image_props/image/properties/exif/types.rb', line 31

def initialize(name, value=false)
  @name = name
  @value = value
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/cul_image_props/image/properties/exif/types.rb', line 30

def name
  @name
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/cul_image_props/image/properties/exif/types.rb', line 30

def value
  @value
end

Instance Method Details

#translate(values) ⇒ Object 



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# File 'lib/cul_image_props/image/properties/exif/types.rb', line 40

def translate(values)
  if @value
    if @value.respond_to? :call
      # value was a proc
      @value.call(values)
    else
      # value was a dictionary
      trans = ''
      values.each {|i| trans += (@value.include? i) ? @value[i] : i.inspect }
      trans
    end
  else
    values.inspect
  end
end

#translates? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cul_image_props/image/properties/exif/types.rb', line 36

def translates?
  return (not ( @value.nil? or @value == false ))
end