def statement_unicode (model, prefixes, encoding='ASCII'):
e, children = pns_to_xml_unicode (model)
if children:
e.xml_children = []
for child in netstring.decode (children):
subject, name = netstring.decode (child)
if subject:
e.xml_children.append ('<%s pns="%s"/>' % (
''.join (xml_unicode.xml_prefix_FQN (
unicode (name, 'utf-8'),
prefixes, encoding
)),
xml_unicode.xml_attr (
unicode (subject, 'utf-8'),
encoding
)
))
else:
e.xml_children.append (
'<%s%s'
' />' % xml_unicode.xml_prefix_FQN (
unicode (name, 'utf-8'),
prefixes, encoding
)
)
return xml_unicode.xml_prefixed (
e, prefixes,
' context="%s"' % xml_unicode.xml_attr (
unicode (model[3], 'utf-8'), encoding
), encoding
)
def name_unicode(name, tag='public', encoding='ASCII'):
names = tuple(netstring.decode(name)) or (name, )
if len(names) > 1:
return '<%s names="%s">%s</%s>' % (
tag, xml_unicode.xml_attr(unicode(name, 'UTF-8')), ''.join(
[name_unicode(n, tag, encoding) for n in names]), tag)
return '<%s>%s</%s>' % (tag, xml_unicode.xml_cdata(unicode(name,
'UTF-8')), tag)
# Note about this implementation
#
# it may be possible to get rid of the last level of PNS/XML articulation
# and make articulation sparser, by allowing un-named child element to
# be completely encoded in their parent. Yet this practically makes encoding
# from XML to PNS also more complex to support sensible trunking.
#
# Most XML leaf elements do not require a PNS/XML statement but the
# presence of one too large in their midst suppose a more elaborated
# algorithm for sparse articulation, counting every bytes in the parent's
# PNS/XML statement to decide which elements to "inline" as:
#
# :subject,:name,::attributes,:first,:follow,,
#
# and which to reference only:
#
# :subject,:name,:,
#
# it just might not be worth the trouble.
#
# TODO: add a depth limit to PNS_XML, avoid the possible infinite loop
# when there is a circular PNS/XML statement in the metabase for
# the articulated XML element tree.
def statement_unicode(model, prefixes, encoding='ASCII'):
e, children = pns_to_xml_unicode(model)
if children:
e.xml_children = []
for child in netstring.decode(children):
subject, name = netstring.decode(child)
if subject:
e.xml_children.append(
'<%s pns="%s"/>' %
(''.join(
xml_unicode.xml_prefix_FQN(unicode(name, 'utf-8'),
prefixes, encoding)),
xml_unicode.xml_attr(unicode(subject, 'utf-8'),
encoding)))
else:
e.xml_children.append(
'<%s%s'
' />' % xml_unicode.xml_prefix_FQN(unicode(name, 'utf-8'),
prefixes, encoding))
return xml_unicode.xml_prefixed(
e, prefixes, ' context="%s"' %
xml_unicode.xml_attr(unicode(model[3], 'utf-8'), encoding), encoding)
def name_unicode (name, tag='public', encoding='ASCII'):
names = tuple (netstring.decode (name)) or (name,)
if len (names) > 1:
return '<%s names="%s">%s</%s>' % (
tag,
xml_unicode.xml_attr (unicode (name, 'UTF-8')),
''.join ([name_unicode (
n, tag, encoding
) for n in names]),
tag
)
return '<%s>%s</%s>' % (
tag, xml_unicode.xml_cdata (unicode (name, 'UTF-8')), tag
)
# Note about this implementation
#
# it may be possible to get rid of the last level of PNS/XML articulation
# and make articulation sparser, by allowing un-named child element to
# be completely encoded in their parent. Yet this practically makes encoding
# from XML to PNS also more complex to support sensible trunking.
#
# Most XML leaf elements do not require a PNS/XML statement but the
# presence of one too large in their midst suppose a more elaborated
# algorithm for sparse articulation, counting every bytes in the parent's
# PNS/XML statement to decide which elements to "inline" as:
#
# :subject,:name,::attributes,:first,:follow,,
#
# and which to reference only:
#
# :subject,:name,:,
#
# it just might not be worth the trouble.
#
# TODO: add a depth limit to PNS_XML, avoid the possible infinite loop
# when there is a circular PNS/XML statement in the metabase for
# the articulated XML element tree.
