client.rb

    # Processes a given +block+. Yields objects if the block expects any arguments.
    # Otherwise evaluates the block in the context of this object.
    def process(offset = 0, &block)
      block.arity > 0 ? yield_objects(offset, &block) : evaluate(&block)
    end

    # Yields a number of objects to a given +block+ depending on how many arguments
    # the block is expecting.
    def yield_objects(offset, &block)
      yield *[soap, wsdl, http, wsse][offset, block.arity]
    end

    # Evaluates a given +block+ inside this object. Stores the original block binding.
    def evaluate(&block)
      self.original_self = eval "self", block.binding
      instance_eval &block
    end

    # Handles calls to undefined methods by delegating to the original block binding.
    def method_missing(method, *args, &block)
      super unless original_self
      original_self.send method, *args, &block
    end