Class: VORuby::VOResource::Mapping::FullObjectNode

Inherits:
XML::Mapping::SubObjectBaseNode
  • Object
show all
Defined in:
lib/voruby/resources/nodes.rb

Overview

This is a copy of ObjectNode, but using REXML’s full XPath implementation (i.e. not pre-compiling expressions). It’s potentially slower but necessary for some schema.

Instance Method Summary collapse

Instance Method Details

#extract_attr_value(xml) ⇒ Object

:nodoc:



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# File 'lib/voruby/resources/nodes.rb', line 104

def extract_attr_value(xml) # :nodoc:
  paths = []
  @path_str.split(/\s*\|\s*/).each{ |path|
    paths << path
    xml.prefixes.each{ |prefix|
      paths << "#{prefix}:#{path}"
    }
  }
  xpath = paths.join('|')
  
  result = default_when_xpath_err{REXML::XPath.first(xml, xpath)}
  result ? @options[:unmarshaller].call(result): nil
end

#initialize_impl(path) ⇒ Object

Initializer. path (a string denoting an XPath expression) is the location of the subtree.



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# File 'lib/voruby/resources/nodes.rb', line 99

def initialize_impl(path)
  super
  @path_str = path
end

#set_attr_value(xml, value) ⇒ Object

:nodoc:



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# File 'lib/voruby/resources/nodes.rb', line 118

def set_attr_value(xml, value) # :nodoc:
  @options[:marshaller].call(@path.first(xml,:ensure_created=>true), value)     
end