-from lxml.etree import XMLSyntaxError
-
-import re
-from StringIO import StringIO
-
-class WLDocument(object):
- LINE_SWAP_EXPR = re.compile(r'/\s', re.MULTILINE | re.UNICODE);
-
- def __init__(self, edoc):
- self.edoc = edoc
-
- root_elem = edoc.getroot()
- rdf_ns = dcparser.BookInfo.RDF
- dc_path = './/' + rdf_ns('RDF')
-
- if root_elem.tag != 'utwor':
- raise ValidationError("Invalid root element. Found '%s', should be 'utwor'" % root_elem.tag)
-
- self.rdf_elem = root_elem.find(dc_path)
-
- if self.rdf_elem is None:
- raise NoDublinCore('Document has no DublinCore - which is required.')
-
- self.book_info = dcparser.BookInfo.from_element(self.rdf_elem)
-
- @classmethod
- def from_string(cls, xml, swap_endlines=False):
- return cls.from_file(StringIO(xml), swap_endlines)
-
- @classmethod
- def from_file(cls, xmlfile, swap_endlines=False):
-
- # first, prepare for parsing
- if isinstance(xmlfile, basestring):
- file = open(xmlfile, 'rb')
- try:
- data = file.read()
- finally:
- file.close()
- else:
- data = xmlfile.read()
-
- if not isinstance(data, unicode):
- data = data.decode('utf-8')
-
- if swap_endlines:
- data = cls.LINE_SWAP_EXPR.sub(u'<br />\n', data)
-
- try:
- parser = etree.XMLParser(remove_blank_text=True)
- return cls( etree.parse(StringIO(data), parser) )
- except XMLSyntaxError, e:
- raise ParseError(e.message)
- except ExpatError, e:
- raise ParseError(e.message)
-
- def transform(self, stylesheet, **options):
- return self.edoc.xslt(stylesheet, **options)
-
- def update_dc(self):
- parent = self.rdf_elem.getparent()
- parent.replace( self.rdf_elem, self.book_info.to_etree(parent) )
-
- def serialize(self):
- self.update_dc()
- return etree.tostring(self.edoc, encoding=unicode, pretty_print=True)
+from . import DCNS, SSTNS
+from . import core, meta
+
+
+class SSTParser(etree.XMLParser):
+ """ XML parser using relevant element classes. """
+ def __init__(self):
+ super(SSTParser, self).__init__(remove_blank_text=False)
+ lookup = etree.ElementNamespaceClassLookup()
+ self.set_element_class_lookup(lookup)
+
+ # Define core language tags.
+ sst_ns = lookup.get_namespace(SSTNS.uri)
+ sst_ns['aside'] = core.Aside
+ sst_ns['div'] = core.Div
+ sst_ns['header'] = core.Header
+ sst_ns['section'] = core.Section
+ sst_ns['span'] = core.Span
+ sst_ns['metadata'] = meta.Metadata
+
+ # Define any special metadata.
+ dc_ns = lookup.get_namespace(DCNS.uri)
+ dc_ns['creator'] = meta.Person
+ dc_ns['identifier'] = meta.Identifier