# These functions are going to be merged in sfa and we'll get rid of
# this sfahelper module. - baris

from sfa.util.rspecHelper import RSpec

    
# TODO: already merged in sfa-trunk. Use the one there
def rspec_get_networks(rspec_string):
    rspec = RSpec (rspec_string)
    return rspec.rspec.xpath("./network[@name]/@name")


# TODO: already merged in sfa-trunk. Use the one there
def rspec_get_nodes_from_network(rspec_string, network):
    rspec = RSpec (rspec_string)
    return rspec.rspec.xpath("./network[@name='%s']/site/node/hostname/text()" % network)


def rspec_get_sliver_nodes_from_network(rspec_string, network):
    rspec = RSpec (rspec_string)
    return rspec.rspec.xpath("./network[@name='%s']/site/node[sliver]/hostname/text()" % network)

def rspec_get_other_nodes_from_network(rspec_string, network):
    rspec = RSpec (rspec_string)
    # xxx todo - could not find the xpath syntax for 'does not have the sliver attribute'
    return rspec.rspec.xpath("./network[@name='%s']/site/node[~sliver]/hostname/text()" % network)