Class: Atom::Xml::Parseable::ParseSpec

Inherits:
Object
  • Object
show all
Defined in:
lib/atom/xml/parser.rb

Overview

Contains the specification for how an element should be parsed.

This should not need to be constructed directly, instead use the element and elements macros in the declaration of the class.

See Parseable.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, options = {}) ⇒ ParseSpec

Returns a new instance of ParseSpec.



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# File 'lib/atom/xml/parser.rb', line 367

def initialize(name, options = {})
  @name = name.to_s
  @attribute = Atom.to_attrname(name)
  @options = options
end

Instance Attribute Details

#attribute ⇒ Object (readonly)

:nodoc:



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# File 'lib/atom/xml/parser.rb', line 365

def attribute
  @attribute
end

#name ⇒ Object (readonly)

:nodoc:



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# File 'lib/atom/xml/parser.rb', line 365

def name
  @name
end

#options ⇒ Object (readonly)

:nodoc:



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# File 'lib/atom/xml/parser.rb', line 365

def options
  @options
end

Instance Method Details

#parse(target, xml) ⇒ Object

Parses a chunk of XML according the specification. The data extracted will be assigned to the target object.



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# File 'lib/atom/xml/parser.rb', line 376

def parse(target, xml)
  case options[:type]
  when :single
    target.send("#{@attribute}=".to_sym, build(target, xml))
  when :collection
    collection = target.send(@attribute.to_s)
    element    = build(target, xml)
    collection << element
  end
end

#single? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/atom/xml/parser.rb', line 387

def single?
  options[:type] == :single
end