Class: RXSD::XML::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/rxsd/xml.rb,
lib/rxsd/libxml_adapter.rb

Overview

RXSD XML node interface that subclasses must conform to and implement methods

Direct Known Subclasses

LibXMLNode

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

Provides accessor interface to related obj, in our case related xsd obj



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# File 'lib/rxsd/xml.rb', line 62

def related
  @related
end

Class Method Details

.factory(args = {}) ⇒ Object

Node factory, returns root node corresponding to specified backend and xml data



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# File 'lib/rxsd/xml.rb', line 47

def self.factory(args = {})
  backend = args[:backend]
  xml     = args[:xml]

  # add additional backend drivers here if desired
  return LibXMLNode.xml_root(xml) if backend == :libxml
  return nil
end

Instance Method Details

#child_obj(klass) ⇒ Object

Instantiate first child of provided class type



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# File 'lib/rxsd/xml.rb', line 74

def child_obj(klass)
    return children_objs(klass)[0]
end

#child_value(tag_name) ⇒ Object

Return ‘value’ attribute of first childw/ specified tag



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# File 'lib/rxsd/xml.rb', line 86

def child_value(tag_name)
   return child_values(tag_name)[0]
end

#child_values(tag_name) ⇒ Object

Return ‘value’ attribute of all children w/ specified tag



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# File 'lib/rxsd/xml.rb', line 79

def child_values(tag_name)
   values = []
   children.find_all { |c| c.name == tag_name }.each { |c| values.push(c.attrs['value']) }
   return values
end

#children_objs(klass) ⇒ Object

Instantiate all children of provided class type



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# File 'lib/rxsd/xml.rb', line 65

def children_objs(klass)
   elements = []
   children.find_all { |c| c.name == klass.tag_name }.each { |c| 
      elements << klass.from_xml(c)
   }
   return elements
end

#root ⇒ Object

Returns root node



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# File 'lib/rxsd/xml.rb', line 57

def root
   parent? ? parent.root : self
end