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DBus::IntrospectXMLParser

D-Bus introspect XML parser class

This class parses introspection XML of an object and constructs a tree of Node, Interface, Method, Signal instances.

Public Class Methods

new(xml) click to toggle source

Creates a new parser for XML data in string xml.

# File lib/dbus/introspect.rb, line 228
def initialize(xml)
  @xml = xml
end

Public Instance Methods

parse() click to toggle source

return a pair: [list of Interfaces, list of direct subnode names]

# File lib/dbus/introspect.rb, line 243
def parse
  interfaces = Array.new
  subnodes = Array.new
  t = Time.now
  d = REXML::Document.new(@xml)
  d.elements.each("node/node") do |e|
    subnodes << e.attributes["name"]
  end
  d.elements.each("node/interface") do |e|
    i = Interface.new(e.attributes["name"])
    e.elements.each("method") do |me|
      m = Method.new(me.attributes["name"])
      parse_methsig(me, m)
      i << m
    end
    e.elements.each("signal") do |se|
      s = Signal.new(se.attributes["name"])
      parse_methsig(se, s)
      i << s
    end
    interfaces << i
  end
  d = Time.now - t
  if d > 2
    puts "Some XML took more that two secs to parse. Optimize me!" if $DEBUG
  end
  [interfaces, subnodes]
end
parse_subnodes() click to toggle source

return the names of direct subnodes

# File lib/dbus/introspect.rb, line 233
def parse_subnodes
  subnodes = Array.new
  d = REXML::Document.new(@xml)
  d.elements.each("node/node") do |e|
    subnodes << e.attributes["name"]
  end
  subnodes
end

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