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#!/usr/local/bin/python
""" HTML - tag a HTML string (Version 0.6)
Copyright (c) 2000, Marc-Andre Lemburg; mailto:mal@lemburg.com
Copyright (c) 2000-2008, eGenix.com Software GmbH; mailto:info@egenix.com
See the documentation for further information on copyrights,
or contact the author. All Rights Reserved.
"""
import sys,string
# constants + engine
from mx.TextTools import *
# ErrorTag
error = '*syntax error' # error tag obj
tagname_charset = CharSet(alpha+'\-'+number)
tagattrname_charset = CharSet(alpha+'\-'+number)
tagvalue_charset = CharSet('^"\'> ')
white_charset = CharSet(' \r\n\t')
tagname_charset = CharSet(alpha+'\-'+number)
tagattrname_charset = CharSet(alpha+'\-'+number)
tagvalue_charset = CharSet('^"\'> ')
white_charset = CharSet(' \r\n\t')
tagattr = (
# name
('name',AllInCharSet,tagattrname_charset),
# with value ?
(None,Is,'=',MatchOk),
# skip junk
(None,AllInCharSet,white_charset,+1),
# unquoted value
('value',AllInCharSet,tagvalue_charset,+1,MatchOk),
# double quoted value
(None,Is,'"',+5),
('value',AllNotIn,'"',+1,+2),
('value',Skip,0),
(None,Is,'"'),
(None,Jump,To,MatchOk),
# single quoted value
(None,Is,'\''),
('value',AllNotIn,'\'',+1,+2),
('value',Skip,0),
(None,Is,'\'')
)
valuetable = (
# ignore whitespace + '='
(None,AllInCharSet,CharSet(' \r\n\t='),+1),
# unquoted value
('value',AllInCharSet,tagvalue_charset,+1,MatchOk),
# double quoted value
(None,Is,'"',+5),
('value',AllNotIn,'"',+1,+2),
('value',Skip,0),
(None,Is,'"'),
(None,Jump,To,MatchOk),
# single quoted value
(None,Is,'\''),
('value',AllNotIn,'\'',+1,+2),
('value',Skip,0),
(None,Is,'\'')
)
allattrs = (
# look for attributes
(None,AllInCharSet,white_charset,+4),
(None,Is,'>',+1,MatchOk),
('tagattr',Table,tagattr),
(None,Jump,To,-3),
(None,Is,'>',+1,MatchOk),
# handle incorrect attributes
(error,AllNotIn,'> \r\n\t'),
(None,Jump,To,-6)
)
# NOTE: The htmltag tag table assumes that the input text is given
# in upper case letters (see <XMP> handling).
htmltag = (
(None,Is,'<'),
# is this a closing tag ?
('closetag',Is,'/',+1),
# a coment ?
('comment',Is,'!',+8),
(None,Word,'--',+4),
('text',WordStart,'-->',+1),
(None,Skip,3),
(None,Jump,To,MatchOk),
# a SGML-Tag ?
('other',AllNotIn,'>',+1),
(None,Is,'>'),
(None,Jump,To,MatchOk),
# XMP-Tag ?
('tagname',Word,'XMP',+5),
(None,Is,'>'),
('text',WordStart,'</XMP>'),
(None,Skip,len('</XMP>')),
(None,Jump,To,MatchOk),
# get the tag name
('tagname',AllInCharSet,tagname_charset),
# look for attributes
(None,AllInCharSet,white_charset,+4),
(None,Is,'>',+1,MatchOk),
('tagattr',Table,tagattr),
(None,Jump,To,-3),
(None,Is,'>',+1,MatchOk),
# handle incorrect attributes
(error,AllNotIn,'> \n\r\t'),
(None,Jump,To,-6)
)
htmltable = (# HTML-Tag
('htmltag',Table,htmltag,+1,+4),
# not HTML, but still using this syntax: error or inside XMP-tag !
(error,Is,'<',+3),
(error,AllNotIn,'>',+1),
(error,Is,'>'),
# normal text
('text',AllNotIn,'<',+1),
# end of file
('eof',EOF,Here,-5),
)
if __name__ == '__main__':
t = TextTools._timer()
# read file
f = open(sys.argv[1])
text = f.read()
try:
count = string.atoi(sys.argv[2])
except:
count = 1000
print 'Starting to parse the file %i times...' % count
# parse file
t.start()
for i in range(count):
utext = upper(text)
result, taglist, nextindex = tag(utext,htmltable)
if not result:
print ' parsing failed; aborting'
break
t = t.stop()[0]
mean = t/count
print result, nextindex, mean*1000,'msec',nextindex/mean,'bytes/sec.'
print
print 'Hit return to see the tags...'
raw_input()
print
print_tags(text,taglist)
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