#!/usr/bin/env python
import sys, os
sys.path.append(os.path.dirname(os.path.realpath(__file__)))
import ansi
from argparse import ArgumentParser

def setup_options():
    parser = ArgumentParser()
    parser.add_argument("cs",type=str, default = "cp437", nargs = '?',
        choices = ["cp437", "latin1", "cp850"]
    )
    opts=parser.parse_args()
    return opts


if __name__ == "__main__":
    opts = setup_options()
    table=[[] for x in range(8)]
    for c in range(0,256):
        col = c/32
        table[col].append((c,chr(c).decode(opts.cs).encode('utf-8','ignore')))
        #sys.stdout.write(chr(c).decode('latin1'))
    # remove control chars
    table.pop(0)
    bc = ansi.code()
    bc.clear()
    print(bc.color_string("="*20 + " ${Y}%s${Z} "%( opts.cs, ) + "="*20))
    for x,col in enumerate(table):
        for y,row in enumerate(col):
            bc.posprint(
                y + 2,
                1 + x*7, 
                bc.color_string(
                    "${c}%03d: ${G}%s${Z}"%( row )
                )
            )
    print('')