Class: RGen::XSD::XSIInstantiator

Inherits:
Object
  • Object
show all
Defined in:
lib/rgen/xsd/xsi_instantiator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mm, env) ⇒ XSIInstantiator

Returns a new instance of XSIInstantiator.



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# File 'lib/rgen/xsd/xsi_instantiator.rb', line 13

def initialize(mm, env)
  @mm = mm
  @env = env
  @classes_by_xml_name = nil 
  @namespaces = []
end

Instance Attribute Details

#namespaces ⇒ Object (readonly)

Returns the value of attribute namespaces.



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# File 'lib/rgen/xsd/xsi_instantiator.rb', line 11

def namespaces
  @namespaces
end

#unresolved_refs ⇒ Object (readonly)

Returns the value of attribute unresolved_refs.



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# File 'lib/rgen/xsd/xsi_instantiator.rb', line 10

def unresolved_refs
  @unresolved_refs
end

Instance Method Details

#instantiate(file, options = {}) ⇒ Object

options:

:unresolved_refs: an array to which unresolved references will be appended
:problems: an array to which problems during instantiation will be appended
:fragment_ref: a fragment ref object which will be set on every model element created



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# File 'lib/rgen/xsd/xsi_instantiator.rb', line 24

def instantiate(file, options={})
  @unresolved_refs = options[:unresolved_refs] || []
  @fragment_ref = options[:fragment_ref]
  @problems = options[:problems]
  @target_identifier_provider = options[:target_identifier_provider] ||
    lambda do |node| node["id"] end
  root = nil
  root_class = options[:root_class].andand.ecore || root_class(doc.root.name)
  File.open(file) do |f|
    doc = Nokogiri::XML(f)
    @namespaces = doc.root.namespace_definitions
    root =instantiate_node(doc.root, root_class)
  end
  root
end

#resolve_namespace(str) ⇒ Object 



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# File 'lib/rgen/xsd/xsi_instantiator.rb', line 40

def resolve_namespace(str)
  if str =~ /:/
    prefix, name = str.split(":")
  else
    prefix, name = nil, str
  end
  # the default namespace has a prefix of nil
  href = namespaces.find{|ns| ns.prefix == prefix}.andand.href
  # built in xml schema namespace
  if !href 
    if prefix == "xml"
      href = "http://www.w3.org/XML/1998/namespace" 
    elsif prefix
      report_problem "WARN: Can not resolve namespace prefix #{prefix}"
    end
  end
  [href, name]
end