def capture_haml(*args, &block)
buffer = eval('if defined? _hamlout then _hamlout else nil end', block.binding) || haml_buffer
with_haml_buffer(buffer) do
position = haml_buffer.buffer.length
haml_buffer.capture_position = position
value = block.call(*args)
captured = haml_buffer.buffer.slice!(position..-1)
if captured == '' and value != haml_buffer.buffer
captured = (value.is_a?(String) ? value : nil)
end
return nil if captured.nil?
return (haml_buffer.options[:ugly] ? captured : prettify(captured))
end
ensure
haml_buffer.capture_position = nil
end