"""Parser base class which provides some common support methods used
by the SGML/HTML and XHTML parsers."""
+ def __init__(self):
+ if self.__class__ is ParserBase:
+ raise RuntimeError(
+ "markupbase.ParserBase must be subclassed")
+
+ def error(self, message):
+ raise NotImplementedError(
+ "subclasses of ParserBase must override error()")
+
def reset(self):
self.lineno = 1
self.offset = 0
# deployed," this should only be the document type
# declaration ("<!DOCTYPE html...>").
rawdata = self.rawdata
- import sys
j = i + 2
assert rawdata[i:j] == "<!", "unexpected call to parse_declaration"
if rawdata[j:j+1] in ("-", ""):
# Internal -- scan past <!ELEMENT declarations
def _parse_doctype_element(self, i, declstartpos):
- rawdata = self.rawdata
- n = len(rawdata)
name, j = self._scan_name(i, declstartpos)
if j == -1:
return -1
# style content model; just skip until '>'
+ rawdata = self.rawdata
if '>' in rawdata[j:]:
return string.find(rawdata, ">", j) + 1
return -1
else:
self.updatepos(declstartpos, i)
self.error("expected name token")
+
+ # To be overridden -- handlers for unknown objects
+ def unknown_decl(self, data):
+ pass
def unknown_endtag(self, tag): pass
def unknown_charref(self, ref): pass
def unknown_entityref(self, ref): pass
- def unknown_decl(self, data): pass
class TestSGMLParser(SGMLParser):
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