Doc/text2latex.py

   1 import os
   2 import sys
   3 import regex
   4 import regsub
   5 import string
   6 import getopt
   7
   8 def main():
   9         process(sys.stdin, sys.stdout)
  10
  11 dashes = regex.compile('^-+[ \t]*$')
  12 equals = regex.compile('^=+[ \t]*$')
  13 stars = regex.compile('^\*+[ \t]*$')
  14 blank = regex.compile('^[ \t]*$')
  15 indented = regex.compile('^\( *\t\|        \)[ \t]*[^ \t]')
  16
  17 def process(fi, fo):
  18         inverbatim = 0
  19         line = '\n'
  20         nextline = fi.readline()
  21         while nextline:
  22                 prevline = line
  23                 line = nextline
  24                 nextline = fi.readline()
  25                 fmt = None
  26                 if dashes.match(nextline) >= 0:
  27                         fmt = '\\subsection{%s}\n'
  28                 elif equals.match(nextline) >= 0:
  29                         fmt = '\\section{%s}\n'
  30                 elif stars.match(nextline) >= 0:
  31                         fmt = '\\chapter{%s}\n'
  32                 if fmt:
  33                         nextline = '\n'
  34                         line =  fmt % string.strip(line)
  35                         if '(' in line:
  36                                 line = regsub.gsub('[a-zA-Z0-9_]+()',
  37                                           '{\\\\tt \\0}', line)
  38                 elif inverbatim:
  39                         if blank.match(line) >= 0 and \
  40                                   indented.match(nextline) < 0:
  41                                 inverbatim = 0
  42                                 fo.write('\\end{verbatim}\n')
  43                 else:
  44                         if indented.match(line) >= 0 and \
  45                                   blank.match(prevline) >= 0:
  46                                 inverbatim = 1
  47                                 fo.write('\\begin{verbatim}\n')
  48                 if inverbatim:
  49                         line = string.expandtabs(line, 4)
  50                 elif not fmt and '(' in line:
  51                         line = regsub.gsub('[a-zA-Z0-9_]+()',
  52                                   '\\\\code{\\0}', line)
  53                 fo.write(line)
  54
  55 main()