"""man2lore: Converts man page source (i.e. groff) into lore-compatible html.
This is nasty and hackish (and doesn't support lots of real groff), but is good
enough for converting fairly simple man pages.
"""
from __future__ import nested_scopes
import re, os
quoteRE = re.compile('"(.*?)"')
def escape(text):
text = text.replace('<', '<').replace('>', '>')
text = quoteRE.sub('<q>\\1</q>', text)
return text
def stripQuotes(s):
if s[0] == s[-1] == '"':
s = s[1:-1]
return s
class ManConverter:
state = 'regular'
tp = 0
dl = 0
para = 0
def convert(self, inf, outf):
self.write = outf.write
longline = ''
for line in inf.readlines():
if line.rstrip() and line.rstrip()[-1] == '\\':
longline += line.rstrip()[:-1] + ' '
continue
if longline:
line = longline + line
longline = ''
self.lineReceived(line)
self.closeTags()
self.write('</body>\n</html>\n')
def lineReceived(self, line):
if line[0] == '.':
f = getattr(self, 'macro_' + line[1:3].rstrip(), None)
if f:
f(line[3:].strip())
else:
self.text(line)
def closeTags(self):
if self.state != 'regular':
self.write('</%s>' % self.state)
if self.tp == 3:
self.write('</dd>\n\n')
self.tp = 0
if self.dl:
self.write('</dl>\n\n')
self.dl = 0
if self.para:
self.write('</p>\n\n')
self.para = 0
def paraCheck(self):
if not self.tp and not self.para:
self.write('<p>')
self.para = 1
def macro_TH(self, line):
self.write('<html><head>\n')
parts = [stripQuotes(x) for x in line.split(' ', 2)] + ['', '']
title, manSection = parts[:2]
self.write('<title>%s.%s</title>' % (title, manSection))
self.write('</head>\n<body>\n\n')
self.write('<h1>%s.%s</h1>\n\n' % (title, manSection))
def macro_SH(self, line):
self.closeTags()
self.write('<h2>')
self.para = 1
self.text(stripQuotes(line))
self.para = 0
self.closeTags()
self.write('</h2>\n\n')
def macro_B(self, line):
words = line.split()
words[0] = '\\fB' + words[0] + '\\fR '
self.text(' '.join(words))
def macro_PP(self, line):
self.closeTags()
def macro_TP(self, line):
if self.tp == 3:
self.write('</dd>\n\n')
self.tp = 1
def text(self, line):
if self.tp == 1:
if not self.dl:
self.closeTags()
self.write('<dl>\n\n')
self.dl = 1
self.write('<dt>')
elif self.tp == 2:
self.write('<dd>')
self.paraCheck()
bits = line.split('\\')
self.write(escape(bits[0]))
for bit in bits[1:]:
if bit[:2] == 'fI':
self.write('<em>' + escape(bit[2:]))
self.state = 'em'
elif bit[:2] == 'fB':
self.write('<strong>' + escape(bit[2:]))
self.state = 'strong'
elif bit[:2] == 'fR':
self.write('</%s>' % self.state)
self.write(escape(bit[2:]))
self.state = 'regular'
elif bit[:3] == '(co':
self.write('©' + escape(bit[3:]))
else:
self.write(escape(bit))
if self.tp == 1:
self.write('</dt>\n')
self.tp = 2
elif self.tp == 2:
self.tp = 3
class ProcessingFunctionFactory:
def generate_lore(self, d, filenameGenerator=None):
ext = d.get('ext', '.html')
return lambda file,_: ManConverter().convert(open(file),
open(os.path.splitext(file)[0]+ext, 'w'))
factory = ProcessingFunctionFactory()
if __name__ == '__main__':
import sys
mc = ManConverter().convert(open(sys.argv[1]), sys.stdout)