#!/usr/bin/env python3
"""Convert the text to braille text"""

import inkex

# https://en.wikipedia.org/wiki/Braille_ASCII#Braille_ASCII_values
U2800_MAP = " A1B'K2L@CIF/MSP\"E3H9O6R^DJG>NTQ,*5<-U8V.%[$+X!&;:4\\0Z7(_?W]#Y)="


class Braille(inkex.TextExtension):
    """Convert to ASCII Braille"""

    @staticmethod
    def map_char(char):
        """Map a single letter to braille"""
        assert isinstance(char, str)
        try:
            mapint = U2800_MAP.index(char.upper())
        except ValueError:
            return char
        return chr(mapint + 0x2800)


if __name__ == "__main__":
    Braille().run()
