# -*- coding: utf-8 -*-
# @Time    : 2021/12/2 5:41 p.m.
# @Author  : JianingWang
# @File    : common.py


def is_chinese_char(cp):
    """Checks whether CP is the codepoint of a CJK character."""
    # This defines a "chinese character" as anything in the CJK Unicode block:
    #   https://en.wikipedia.org/wiki/CJK_Unified_Ideographs_(Unicode_block)
    #
    # Note that the CJK Unicode block is NOT all Japanese and Korean characters,
    # despite its name. The modern Korean Hangul alphabet is a different block,
    # as is Japanese Hiragana and Katakana. Those alphabets are used to write
    # space-separated words, so they are not treated specially and handled
    # like the all of the other languages.
    if (
            (0x4E00 <= cp <= 0x9FFF)
            or (0x3400 <= cp <= 0x4DBF)  #
            or (0x20000 <= cp <= 0x2A6DF)  #
            or (0x2A700 <= cp <= 0x2B73F)  #
            or (0x2B740 <= cp <= 0x2B81F)  #
            or (0x2B820 <= cp <= 0x2CEAF)  #
            or (0xF900 <= cp <= 0xFAFF)
            or (0x2F800 <= cp <= 0x2FA1F)  #
    ):  #
        return True

    return False


def is_chinese(word: str):
    # word like "180" or "身高" or "神"
    for char in word:
        char = ord(char)
        if not is_chinese_char(char):
            return 0
    return 1