mirror of https://github.com/python/cpython
changed comment parsing
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667d704997
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@ -21,7 +21,9 @@ entityref = regex.compile('&[a-zA-Z][a-zA-Z0-9]*[;.]')
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charref = regex.compile('&#[a-zA-Z0-9]+;')
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starttagopen = regex.compile('<[a-zA-Z]')
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endtag = regex.compile('</[a-zA-Z][a-zA-Z0-9]*[ \t\n]*>')
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special = regex.compile('<![^<>]*>')
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commentopen = regex.compile('<!--')
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commentclose = regex.compile('--[ \t\n]*>')
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# SGML parser base class -- find tags and call handler functions.
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@ -111,6 +113,14 @@ class SGMLParser:
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if k < 0: break
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i = i+k
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continue
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k = special.match(rawdata, i)
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if k >= 0:
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if self.literal:
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self.handle_data(rawdata[i])
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i = i+1
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continue
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i = i+k
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continue
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elif rawdata[i] == '&':
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k = charref.match(rawdata, i)
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if k >= 0:
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@ -141,25 +151,16 @@ class SGMLParser:
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self.rawdata = rawdata[i:]
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# XXX if end: check for empty stack
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# Internal -- parse comment, return length or -1 if not ternimated
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# Internal -- parse comment, return length or -1 if not terminated
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def parse_comment(self, i):
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rawdata = self.rawdata
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if rawdata[i:i+4] <> '<!--':
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raise RuntimeError, 'unexpected call to handle_comment'
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try:
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j = string.index(rawdata, '--', i+4)
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except string.index_error:
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j = commentclose.search(rawdata, i+4)
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if j < 0:
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return -1
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self.handle_comment(rawdata[i+4: j])
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j = j+2
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n = len(rawdata)
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while j < n and rawdata[j] in ' \t\n': j = j+1
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if j == n: return -1 # Wait for final '>'
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if rawdata[j] == '>':
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j = j+1
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else:
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print '*** comment not terminated with >'
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print repr(rawdata[j-5:j]), '*!*', repr(rawdata[j:j+5])
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j = j+commentclose.match(rawdata, j)
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return j-i
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# Internal -- handle starttag, return length or -1 if not terminated
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