Class: Ogg::Generator::Property

Inherits:
Object
  • Object
show all
Defined in:
lib/ogg/generator.rb

Direct Known Subclasses

StructuredProperty

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(property) ⇒ Property

Returns a new instance of Property.



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# File 'lib/ogg/generator.rb', line 11

def initialize(property)
  @property = property
  @children = []
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/ogg/generator.rb', line 33

def method_missing(name, *args)
  name = name.to_s
  structured_property = @children.find{|child| [child.property, "#{child.property}="].include?(name) }
  super unless structured_property
  if name[-1] == "="
    structured_property.content = args.shift
  else
    structured_property
  end
end

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/ogg/generator.rb', line 8

def content
  @content
end

#property ⇒ Object (readonly)

Returns the value of attribute property.



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# File 'lib/ogg/generator.rb', line 9

def property
  @property
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/ogg/generator.rb', line 21

def [](name)
  return nil unless @children
  name = name.to_s
  @children.find{|child| child.property == name }
end

#[]=(name, value) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ogg/generator.rb', line 27

def []=(name, value)
  child = __send__(:[], name)
  raise ArgumentError unless child
  child.content = value
end

#add_child(structured_property) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ogg/generator.rb', line 16

def add_child(structured_property)
  raise ArgumentError unless @children
  @children << structured_property
end

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ogg/generator.rb', line 44

def changed?
  content
end

#meta_tag ⇒ Object 



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# File 'lib/ogg/generator.rb', line 48

def meta_tag
  tags = []
  tags << "<meta property=\"og:#{@property}\" content=\"#{content}\">" if changed?
  @children.each do |child|
    next unless child.changed?
    if child.alternative?
      tags << "<meta property=\"og:#{@property}\" content=\"#{child.content}\"><a></a>" unless changed?
    else
      tags << child.meta_tag
    end
  end
  tags.compact.join("\n")
end