[Patches] sgmllib patch: handle specials
Cees de Groot
cg@cdegroot.com
Sun, 21 May 2000 11:26:09 +0200
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For SGMLtools, I need to access the DTD of an SGML document. sgmllib doesn't
handle this out-of-the-box, but it does know about the "<!...>" construct -
there's a pattern for it, but that seems to be only used to make sure that
literals don't end too early.
The patch adds an overridable method handle_special(self, data) which receives
the contents of <!...> constructs; this allows subclasses to look for document
type declarations and other interesting tidbits.
Regards,
Cees
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----
*** /usr/lib/python/sgmllib.py Tue Nov 9 13:22:27 1999
--- sgmllib.py Sun May 21 11:10:21 2000
***************
*** 30,36 ****
piclose = re.compile('>')
endtagopen = re.compile('</[<>a-zA-Z]')
endbracket = re.compile('[<>]')
! special = re.compile('<![^<>]*>')
commentopen = re.compile('<!--')
commentclose = re.compile('--[%s]*>' % string.whitespace)
tagfind = re.compile('[a-zA-Z][-.a-zA-Z0-9]*')
--- 30,36 ----
piclose = re.compile('>')
endtagopen = re.compile('</[<>a-zA-Z]')
endbracket = re.compile('[<>]')
! special = re.compile('<!([^<>]*)>')
commentopen = re.compile('<!--')
commentclose = re.compile('--[%s]*>' % string.whitespace)
tagfind = re.compile('[a-zA-Z][-.a-zA-Z0-9]*')
***************
*** 143,150 ****
if self.literal:
self.handle_data(rawdata[i])
i = i+1
! continue
! i = match.end(0)
continue
elif rawdata[i] == '&':
match = charref.match(rawdata, i)
--- 143,151 ----
if self.literal:
self.handle_data(rawdata[i])
i = i+1
! else:
! self.handle_special(match.group(1))
! i = match.end(0)
continue
elif rawdata[i] == '&':
match = charref.match(rawdata, i)
***************
*** 376,381 ****
--- 377,386 ----
# Example -- handle processing instruction, could be overridden
def handle_pi(self, data):
+ pass
+
+ # Example -- handle special, could be overridden
+ def handle_special(self, data):
pass
# To be overridden -- handlers for unknown objects
--
Cees de Groot http://www.cdegroot.com <cg@cdegroot.com>
http://sgmltools-lite.sourceforge.net/
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Forge your CipherSaber and list it: http://www.xs4all.nl/~cg/ciphersaber/
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