#!/usr/bin/env python
# -*- coding: utf-8 -*-

from __future__ import unicode_literals

# 带声调字符。
phonetic_symbol = {
    "ā": "a1",
    "á": "a2",
    "ǎ": "a3",
    "à": "a4",

    "ē": "e1",
    "é": "e2",
    "ě": "e3",
    "è": "e4",

    "ō": "o1",
    "ó": "o2",
    "ǒ": "o3",
    "ò": "o4",

    "ī": "i1",
    "í": "i2",
    "ǐ": "i3",
    "ì": "i4",

    "ū": "u1",
    "ú": "u2",
    "ǔ": "u3",
    "ù": "u4",

    # üe
    "ü": "v",
    "ǖ": "v1",
    "ǘ": "v2",
    "ǚ": "v3",
    "ǜ": "v4",

    "ń": "n2",
    "ň": "n3",
    "ǹ": "n4",

    "m̄": "m1",  # len('m̄') == 2
    "ḿ": "m2",
    "m̀": "m4",  # len("m̀") == 2

    "ê̄": "ê1",  # len('ê̄') == 2
    "ế": "ê2",
    "ê̌": "ê3",  # len('ê̌') == 2
    "ề": "ê4",
}
phonetic_symbol_reverse = dict((v, k) for k, v in phonetic_symbol.items())