Module: ReDuxml

Includes:
ConDuxml
Included in:
Evaluator
Defined in:
lib/re_duxml.rb,
lib/re_duxml/evaluate.rb,
lib/re_duxml/evaluate/parser.rb

Defined Under Namespace

Classes: Evaluator, Parser

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#e ⇒ Object (readonly)

Returns the value of attribute e.



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# File 'lib/re_duxml.rb', line 46

def e
  @e
end

#src_doc ⇒ Object (readonly)

Returns the value of attribute src_doc.



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# File 'lib/re_duxml.rb', line 46

def src_doc
  @src_doc
end

Instance Method Details

#resolve(doc_or_node, parent_params = {}) ⇒ Doc

Returns instantiated XML with parameters resolved with given values.

Parameters:

  • doc_or_node (Doc, String) —

    XML to load; can be Doc, String path or String XML; also XML Element when recursing

Returns:

  • (Doc) —

    instantiated XML with parameters resolved with given values



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# File 'lib/re_duxml.rb', line 13

def resolve(doc_or_node, parent_params={})
  @e ||= Evaluator.new
  if doc_or_node.is_a?(Element)
    resolved_node = doc_or_node.stub
    resolved_node.attributes.each do |attr, val|
      resolved_node[attr] = resolve_str(val, parent_params)
    end
    this_params = get_params(doc_or_node, parent_params)
    new_children = doc_or_node.nodes.collect do |child|
      if child.respond_to?(:nodes) # if this node is an XML element...
        new_child = child.clone
        new_child[:if] = resolve_str(new_child[:if], this_params) if new_child[:if]
        if new_child.if? # if this node should exist
          new_child[:if] = nil if new_child[:if] == 'true'
          child_params = get_params(new_child, this_params)
          new_instances = new_child.activate
          i = -1
          new_instances.collect do |inst|
            i += 1
            resolve(inst, child_params.merge({'iterator' => i.to_s}))
          end
        end
      else # this is a text node
        resolve_str(child, this_params)
      end
    end.flatten.compact
    resolved_node << new_children
  else
    @src_doc = get_doc doc_or_node
    @doc = Doc.new << resolve(src_doc.root, parent_params)
  end
end