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roff2html.py
502 lines (422 loc) · 11.6 KB
/
roff2html.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
import re, sys, time
## RoffParser
##
class RoffParser(object):
def feedfile(self, fp, encoding='ascii'):
for line in fp:
line = unicode(line.rstrip(), encoding, 'ignore')
self.parse_line(line)
return
def close(self):
return
def parse_line(self, line):
if line.startswith('.\\"'):
# comment
pass
elif line.startswith('.'):
i = 2
self.cmd = line[1]
self.args = []
self.parse1 = self.parse_command
line += ' '
while i < len(line):
(self.parse1, i) = self.parse1(line, i)
self.do_command(self.cmd, self.args)
else:
i = 0
self.parse1 = self.parse_main
while i < len(line):
(self.parse1, i) = self.parse1(line, i)
return
def parse_command(self, s, i):
c = s[i]
if c.isalpha():
self.cmd += c
return (self.parse_command, i+1)
return (self.parse_arg0, i)
def parse_arg0(self, s, i):
c = s[i]
if c.isspace():
return (self.parse_arg0, i+1)
self.arg1 = ''
return (self.parse_arg1, i)
def addarg(self, c):
self.arg1 += c
return
def parse_arg1(self, s, i):
c = s[i]
if c == '\\':
self.prev = self.parse_arg1
self.addch = self.addarg
return (self.parse_escape1, i+1)
if c == '"':
return (self.parse_arg_quote, i+1)
if c.isspace():
self.args.append(self.arg1)
return (self.parse_arg0, i+1)
self.arg1 += c
return (self.parse_arg1, i+1)
def parse_arg_quote(self, s, i):
c = s[i]
if c == '\\':
self.prev = self.parse_arg_quote
self.addch = self.addarg
return (self.parse_escape1, i+1)
if c == '"':
self.args.append(self.arg1)
return (self.parse_arg0, i+1)
self.arg1 += c
return (self.parse_arg_quote, i+1)
def parse_main(self, s, i):
e = s.find('\\', i)
if e == -1:
self.handle_text(s[i:])
return (self.parse_main, len(s))
self.prev = self.parse_main
self.addch = self.handle_text
return (self.parse_escape1, e+1)
def parse_escape1(self, s, i):
c = s[i]
if c in '\\eE &-':
self.addch(self.handle_escape(c, None))
return (self.prev, i+1)
self.ecmd = c
return (self.parse_escape2, i+1)
def parse_escape2(self, s, i):
c = s[i]
if c == '(':
self.earg = '' # \a(XX
return (self.parse_escape_arg2, i+1)
if c == '[':
self.earg = '' # \*[nnn]
return (self.parse_escape_argn, i+1)
self.earg = c
self.addch(self.handle_escape(self.ecmd, self.earg))
return (self.prev, i+1)
def parse_escape_arg2(self, s, i):
self.earg += s[i]
if len(self.earg) == 2:
self.addch(self.handle_escape(self.ecmd, self.earg))
return (self.prev, i+1)
return (self.parse_escape_arg2, i+1)
def parse_escape_argn(self, s, i):
if s[i] == ']':
self.addch(self.handle_escape(self.ecmd, self.earg))
return (self.prev, i+1)
self.earg += s[i]
return (self.parse_escape_argn, i+1)
def do_command(self, cmd, args):
f = 'do_command_'+cmd.replace('%','p_').lower()
if hasattr(self, f):
getattr(self, f)(args)
else:
self.do_unknown_command(cmd, args)
return
def handle_escape(self, cmd, arg):
print >>sys.stderr, 'ESCAPE:', cmd, arg
return
def handle_text(self, s):
print >>sys.stderr, 'TEXT:', s
return
def do_unknown_command(self, cmd, args):
print >>sys.stderr, 'UNKNOWN:', cmd, args
return
## Roff2HTML
##
class Roff2HTML(RoffParser):
HEADER = u'''<html>
<head>
<style><!--
.info { font-size: 80%; }
.op { left-margin: 4em; }
.name { font-weight: bold; }
.nm { font-weight: bold; }
.xr { }
.cite { font-style: italic; }
.arg { font-style: italic; text-decoration: underline; }
.flag { }
.env { }
.config { font-weight: bold; }
.file { font-weight: bold; }
.cmdline { background: #eee; margin: 0.5em; padding: 0.5em; }
--></style>
'''
XREF = [
'scp', 'sftp', 'sftp-server',
'ssh-add', 'ssh-agent', 'ssh-keygen',
'ssh-keyscan', 'ssh-rand-helper',
'ssh', 'sshd', 'ssh_config', 'sshd_config',
]
def __init__(self, headline, fp=sys.stdout, encoding='ascii'):
self.headline = headline
self.fp = fp
self.stack = []
self.state = None
self.name = None
self.sm = False
self.encoding = encoding
self.write(self.HEADER)
self.write('<meta http-equiv="Content-Type" content="text/html; charset=%s">' %
encoding)
return
def write(self, s):
self.fp.write(s.encode(self.encoding, 'ignore'))
return
def close(self):
RoffParser.close(self)
self.write('\n</body>\n</html>\n')
return
def handle_text(self, s):
self.write(s)
return
def push(self, state):
self.stack.append(self.state)
self.state = state
return
def pop(self):
self.state = self.stack.pop()
return
def handle_escape(self, cmd, arg):
if cmd in '\\eE':
return '\\'
if cmd == ' ':
return ' '
if cmd == '-':
return '-'
if cmd == '*':
if arg == 'Lt':
return '<'
elif arg == 'Gt':
return '>'
return '[%s]' % arg
return ''
IS_CMD = re.compile(r'^[A-Z][a-z]$')
def do_remain(self, args):
while args:
x = args.pop(0)
if self.IS_CMD.match(x):
return self.do_command(x, args)
self.write(x)
return
def do_command_sh(self, args):
s = ' '.join(args)
self.write('<hr>\n<h2><a href="#%s" name="%s">%s</a></h2>\n' %
(s,s,s))
return
def do_command_dt(self, args):
(title, section) = args
s = '%s (%s)' % (title, section)
self.write('<title>%s</title>\n' % s)
self.write('</head><body>\n')
self.write('<h1>%s</h1>\n' % s)
self.write('<p class=info>%s\n' % self.headline)
return
def do_command_nd(self, args):
self.write('<blockquote>%s</blockquote>\n' % ' '.join(args))
return
def do_command_op(self, args):
cmd = None
self.write(' [')
self.do_remain(args)
self.write(']\n')
return
def do_command_oo(self, args):
self.write(' [')
self.do_remain(args)
return
def do_command_oc(self, args):
self.write('] ')
self.do_remain(args)
return
def do_command_ar(self, args):
if args:
self.write('<span class="arg">%s</span> ' % args.pop(0))
else:
self.write('<span class="arg">%s</span> ' % 'file')
self.do_remain(args)
return
def do_command_fl(self, args):
if args:
self.write('<code><span class="flag">-%s</span></code> ' % args.pop(0))
self.do_remain(args)
return
def do_command_ev(self, args):
if args:
self.write('<span class="env">%s</span> ' % args.pop(0))
self.do_remain(args)
return
def do_command_sm(self, args):
self.sm = (args[0].lower() == 'on')
return
def do_command_it(self, args):
self.write('<p><dt>\n')
self.do_remain(args)
self.write('<dd>\n')
return
def do_command_pq(self, args):
self.write('<div>\n')
self.do_remain(args)
self.write('</div>\n')
return
def do_command_an(self, args):
self.write('<address>\n')
self.do_remain(args)
self.write('</address>\n')
return
do_command_pf = do_remain
def do_command_do(self, args):
self.write('<blockquote>\n')
self.do_remain(args)
return
def do_command_dc(self, args):
self.write('</blockquote>\n')
self.do_remain(args)
return
def do_command_xr(self, args):
s = name = args.pop(0)
if args:
s += ' (%s)' % args.pop(0)
if name in self.XREF:
self.write('<a href="%s.html"><span class="xr">%s</span></a>' % (name,s))
else:
self.write('<span class="xr">%s</span>' % s)
self.do_remain(args)
self.write('\n')
return
def do_command_pp(self, args):
self.write('\n<p>\n')
return
def do_command_qq(self, args):
self.write('"%s"' % ' '.join(args))
return
def do_command_dq(self, args):
self.write('"%s"' % ' '.join(args))
return
def do_command_nm(self, args):
if args:
if not self.name:
self.name = args.pop(0)
self.write('<div class="name">%s</div>\n' % self.name)
else:
self.write('<code><span class="nm">%s</span></code>\n' % args.pop(0))
self.do_remain(args)
else:
self.write('<code><span class="nm">%s</span></code>\n' % self.name)
return
def do_command_cm(self, args):
self.write('<span class="config"><code>%s</code></span>' % ' '.join(args))
return
def do_command_bl(self, args):
if 'indent' in args:
self.write('<blockquote>\n')
self.push('</blockquote>\n')
else:
self.write('<dl>\n')
self.push('</dl>\n')
return
def do_command_el(self, args):
self.write(self.state)
self.pop()
return
def do_command_bd(self, args):
self.write('<blockquote><pre>')
return
def do_command_ed(self, args):
self.write('</pre></blockquote>\n')
return
def do_command_ic(self, args):
self.write('<div class="cmdline"><kbd>')
self.write(args.pop(0)+' ')
self.do_remain(args)
self.write('</kbd></div>\n')
return
do_command_dl = do_command_ic
def do_command_pa(self, args):
self.write('<span class="file"><code>%s</code></span>' % ' '.join(args))
return
def do_command_rs(self, args):
self.write('<ul><li>\n')
return
def do_command_re(self, args):
self.write('</ul>\n')
return
def do_command_p_r(self, args):
self.write(' '.join(args)+' ')
return
def do_command_p_t(self, args):
self.write(' <span class="cite">"%s"</span> ' % ' '.join(args))
return
def do_command_p_d(self, args):
self.write(' '.join(args)+' ')
return
do_command_p_o = do_command_p_d
do_command_p_n = do_command_p_d
do_command_p_a = do_command_p_d
do_command_ns = do_remain
do_command_no = do_remain
do_command_xo = do_remain
do_command_ox = do_remain
def do_command_ip(self, args):
self.write('IP') # UGLY!
self.do_remain(args)
return
def do_command_ql(self, args):
self.write(' <kbd>%s</kbd> ' % ' '.join(args))
return
def do_command_ux(self, args):
self.write('Unix')
return
def do_command_bx(self, args):
self.write('BSD')
return
def do_command_sq(self, args):
self.write(' `<kbd>%s</kbd>\' ' % ' '.join(args))
return
def do_command_dv(self, args):
self.write('<kbd>%s</kbd>' % ' '.join(args))
return
def do_command_li(self, args):
self.write('<code>%s</code>' % ' '.join(args))
return
def do_command_aq(self, args):
self.write('<%s>' % ' '.join(args))
return
def do_command_em(self, args):
self.write('<strong>%s</strong>' % ' '.join(args))
return
def do_command_sx(self, args):
s = ' '.join(args)
self.write('<a href="#%s">%s</a>' % (s,s))
return
# main
def main(argv):
import getopt
def usage():
print 'usage: %s [-d] [-s version] [-c encin] [-C encout] [file ...]' % argv[0]
return 100
try:
(opts, args) = getopt.getopt(argv[1:], 'ds:c:C:')
except getopt.GetoptError:
return usage()
encin = 'utf-8'
encout = 'utf-8'
for (k, v) in opts:
if k == '-d': debug += 1
elif k == '-s': version = v
elif k == '-c': encin = v
elif k == '-C': encout = v
date = time.strftime('%Y/%m/%d')
title = u'OpenSSH-%s 日本語マニュアルページ (%s)' % (version, date)
parser = Roff2HTML(title, sys.stdout, encout)
for fname in (args or ['-']):
if fname == '-':
fp = sys.stdin
else:
fp = file(fname)
parser.feedfile(fp, encoding=encin)
fp.close()
parser.close()
return 0
if __name__ == '__main__': sys.exit(main(sys.argv))