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[docmaker] Recognise URLs.

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* src/tools/docmaker/tohtml.py (re_url): New regular expression.
(make_html_para): Use it.
This commit is contained in:
Werner Lemberg 2013-06-25 07:24:02 +02:00
parent 3da5182804
commit c7cc9ebe20
2 changed files with 46 additions and 2 deletions
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ChangeLog
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@ -1,3 +1,10 @@
2013-06-25 Werner Lemberg <wl@gnu.org>
[docmaker] Recognise URLs.
* src/tools/docmaker/tohtml.py (re_url): New regular expression.
(make_html_para): Use it.
2013-06-19 Werner Lemberg <wl@gnu.org>
* Version 2.5.0.1 released.

41
src/tools/docmaker/tohtml.py
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@ -1,11 +1,46 @@
# ToHTML (c) 2002, 2003, 2005, 2006, 2007, 2008
# ToHTML (c) 2002, 2003, 2005-2008, 2013
# David Turner <david@freetype.org>
from sources import *
from content import *
from formatter import *
import time
import time, re
# this regular expression code to identify an URL has been taken from
#
# http://mail.python.org/pipermail/tutor/2002-September/017228.html
#
# (with slight modifications)
urls = r'(?:https?|telnet|gopher|file|wais|ftp)'
ltrs = r'\w'
gunk = r'/#~:.?+=&%@!\-'
punc = r'.:?\-'
any = "%(ltrs)s%(gunk)s%(punc)s" % { 'ltrs' : ltrs,
'gunk' : gunk,
'punc' : punc }
url = r"""
(
\b # start at word boundary
%(urls)s : # need resource and a colon
[%(any)s] +? # followed by one or more of any valid
# character, but be conservative and
# take only what you need to...
(?= # [look-ahead non-consumptive assertion]
[%(punc)s]* # either 0 or more punctuation
(?: # [non-grouping parentheses]
[^%(any)s] | $ # followed by a non-url char
# or end of the string
)
)
)
""" % {'urls' : urls,
'any' : any,
'punc' : punc }
re_url = re.compile( url, re.VERBOSE | re.MULTILINE )
# The following defines the HTML header used by all generated pages.
@ -291,6 +326,8 @@ class HtmlFormatter( Formatter ):
line = self.make_html_word( words[0] )
for word in words[1:]:
line = line + " " + self.make_html_word( word )
# handle hyperlinks
line = re_url.sub( r'<a href="\1">\1</a>', line )
# convert `...' quotations into real left and right single quotes
line = re.sub( r"(^|\W)`(.*?)'(\W|$)", \
r'\1&lsquo;\2&rsquo;\3', \