def _tag_line(line):
line = to_unicode(line)
if line and xml_lang:
tag = u''.join([
unichr(
uniord(u'\N{TAG LATIN CAPITAL LETTER A}') - uniord(u'A') +
uniord(ch)) for ch in to_unicode(_canon_lang(xml_lang))
])
line = u'\N{LANGUAGE TAG}' + tag + line + u'\N{LANGUAGE TAG}\N{CANCEL TAG}'
return line
def embed_xhtml(xhtml, xml_lang=None, xhtml_dir='ltr'):
'''
Prepare a span of XHTML text for embedding in arbitrary other
XHTML text. Each line of the span is wrapped in language tags
corresponding to xml_lang (if xml_lang is neither empty nor None)
and a Unicode bidirectional embedding of the xhtml_dir direction
(default is "ltr" for left-to-right; "rtl" for right-to-left is
also allowed.)
An empty string or None is simply returned.
The result is returned as a UTF-8 string.
'''
if xhtml is None:
return None
if not xhtml:
return to_utf8(xhtml)
xhtml = to_utf8(xhtml)
assert xhtml_dir in ('ltr', 'rtl')
return to_utf8('<span dir="%s"%s>%s</span>' %
(to_utf8(xhtml_dir),
(xml_lang and
(' xml:lang="%s"' % _canon_lang(xml_lang)) or ''), xhtml))
def embed_xhtml(xhtml, xml_lang = None, xhtml_dir = 'ltr'):
'''
Prepare a span of XHTML text for embedding in arbitrary other
XHTML text. Each line of the span is wrapped in language tags
corresponding to xml_lang (if xml_lang is neither empty nor None)
and a Unicode bidirectional embedding of the xhtml_dir direction
(default is "ltr" for left-to-right; "rtl" for right-to-left is
also allowed.)
An empty string or None is simply returned.
The result is returned as a UTF-8 string.
'''
if xhtml is None:
return None
if not xhtml:
return to_utf8(xhtml)
xhtml = to_utf8(xhtml)
assert xhtml_dir in ('ltr', 'rtl')
return to_utf8('<span dir="%s"%s>%s</span>' % (
to_utf8(xhtml_dir),
(xml_lang and (' xml:lang="%s"' % _canon_lang(xml_lang)) or ''),
xhtml))
def _tag_line(line):
line = to_unicode(line)
if line and xml_lang:
tag = u''.join([ unichr(uniord(u'\N{TAG LATIN CAPITAL LETTER A}') - uniord(u'A') + uniord(ch)) for ch in to_unicode(_canon_lang(xml_lang)) ])
line = u'\N{LANGUAGE TAG}' + tag + line + u'\N{LANGUAGE TAG}\N{CANCEL TAG}'
return line