import color, mode2
from lex3 import Grammar, PatternRule, RegionRule

class HexGrammar(Grammar):
    rules = [
        PatternRule(r'zero', r"00"),
        PatternRule(r'printable', r"[2-7][0-9a-f]"),
        PatternRule(r'byte', r'[0-f][0-f]'),
    ]

class Hex(mode2.Fundamental):
    grammar = HexGrammar
    colors = {
        'zero':      ('magenta', 'default'),
        'printable': ('green', 'default'),
        'byte':      ('white', 'default'),
    }
    def __init__(self, w):
        mode2.Fundamental.__init__(self, w)
    def name(self):
        return "Hex"