Class: CTypes::Importers::CastXML::Loader

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/ctypes/importers/castxml/loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers

#array, #bitfield, #bitmap, #enum, #string, #struct, #union

Constructor Details

#initialize(io) ⇒ Loader

Returns a new instance of Loader.



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# File 'lib/ctypes/importers/castxml/loader.rb', line 10

def initialize(io)
  @doc = Nokogiri.parse(io)
  @xml = @doc.xpath("//castxml[1]")&.first or
    raise Error, "<castxml> node not found"
  @nodes = @xml.xpath("./*[@id]").each_with_object({}) { |n, o|
    o[n[:id]] = n
  }
  @ctypes = {}
end

Instance Attribute Details

#xml ⇒ Object (readonly)

Returns the value of attribute xml.



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# File 'lib/ctypes/importers/castxml/loader.rb', line 19

def xml
  @xml
end

Instance Method Details

#load ⇒ Object 



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# File 'lib/ctypes/importers/castxml/loader.rb', line 21

def load
  m = Module.new
  load_into(m)
end

#load_into(namespace) ⇒ Object 



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# File 'lib/ctypes/importers/castxml/loader.rb', line 26

def load_into(namespace)
  @xml.children.each do |node|
    next unless node.element?

    case node.name
    when "typedef", "struct", "union", "array", "enumeration"
      # skip builtin types
      next if node[:file] == "f0"

      name, type = ctype(node[:id])
      next if name.empty?

      namespace.define_singleton_method(name) { type }
    end
  end

  namespace
end