man2c.py

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##
# 
# Converts a text file into a C function called manpage that prints
# the indicated text to a stream.
# 
# Copyright (C) 2002 GDS Software
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA  02111-1307  USA
# 
# See http://www.gnu.org/licenses/licenses.html for more details.
# 

import sys, string
__version__ = "$Id: man2c.py,v 1.4 2002/08/21 17:37:39 donp Exp $"

def GetLines():
    ifp = open(sys.argv[1])
    lines = ifp.readlines()
    ifp.close()
    TransformLines(lines)
    return lines

def PrintHeader():
    print '''/* Automatically generated by man2c.py */\n
#include <stdio.h>

void manpage(FILE *ofp)
{
    fprintf(ofp, 
'''

def PrintLines(lines):
    for line in lines:
        print line

def PrintTrailer():
    print "    );"
    print "\n}\n"

##
# Escape the characters so that they printf OK.  This includes
#     double quotes, backslashes, tabs, and % characters.
def TransformLines(lines):
    for ix in xrange(len(lines)):
        line = string.rstrip(lines[ix])
        line = string.replace(line, "\\", r"\\")
        line = string.replace(line, "\"", r"\"")
        line = string.replace(line, "%",   "%%")
        line = string.replace(line, "\t", r"\t")
        line = "\"" + line + "\\n\""
        lines[ix] = line

def main():
    if (len(sys.argv) != 2):
        sys.stderr.write("Usage:  man2c file\n")
        sys.exit(1)
    lines = GetLines()
    PrintHeader()
    PrintLines(lines)
    PrintTrailer()

main()