using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using UnityEngine;
using UnityEngine.UI;
    [RequireComponent(typeof(InputField))]
    public class InputSpecialWordLimit : MonoBehaviour
    {
        [SerializeField, Header("是否限制空格")] bool m_SpaceLimit = false;
        private void Awake()
        {
            var _input = GetComponent<InputField>();
            _input.onValidateInput = OnValidateInput;
        }

        private char OnValidateInput(string text, int charIndex, char addedChar)
        {
            if (char.GetUnicodeCategory(addedChar) == UnicodeCategory.Surrogate
                || char.GetUnicodeCategory(addedChar) == UnicodeCategory.OtherSymbol
                || char.GetUnicodeCategory(addedChar) == UnicodeCategory.OtherNumber
                || char.GetUnicodeCategory(addedChar) == UnicodeCategory.MathSymbol
                || char.GetUnicodeCategory(addedChar) == UnicodeCategory.OtherNotAssigned
                || addedChar == '\n')
            {
                return (char)0;
            }
            if (m_SpaceLimit)
            {
                if (addedChar == ' '
                 || addedChar == '　'
                 || char.GetUnicodeCategory(addedChar) == UnicodeCategory.SpaceSeparator)
                {
                    return (char)0;
                }
            }
            return addedChar;
        }
    }