apewer-dotnet/Apewer/Internals/TextPair.cs

using Apewer.Internals;
using System;
using System.Collections.Generic;
using System.Text;

namespace Apewer.Internals
{

    /// <summary>文本对。</summary>
    internal struct TextPair
    {

        private string _key;
        private string _value;

        public string Key
        {
            get { return _key ?? ""; }
            set { _key = value ?? ""; }
        }

        public string Value
        {
            get { return _value ?? ""; }
            set { _value = value ?? ""; }
        }

        public bool NotEmpty
        {
            get { return !string.IsNullOrEmpty(_key) && !string.IsNullOrEmpty(_value); }
        }

        public bool EmptyBoth
        {
            get { return string.IsNullOrEmpty(_key) && string.IsNullOrEmpty(_value); }
        }

        public bool EmptyKey
        {
            get { return string.IsNullOrEmpty(_key); }
        }

        public bool EmptyValue
        {
            get { return string.IsNullOrEmpty(_value); }
        }

        public TextPair(string argKey)
        {
            _key = argKey ?? "";
            _value = "";
        }

        public TextPair(string argKey, string argValue)
        {
            _key = argKey ?? "";
            _value = argValue ?? "";
        }

        public override int GetHashCode()
        {
            var merge = TextGenerator.Merge(_key, " : ", _value);
            var hashcode = merge.GetHashCode();
            return hashcode;
        }

        public override bool Equals(object obj)
        {
            if (obj == null) return false;
            return (_key == ((TextPair)obj)._key) && (_value == ((TextPair)obj)._value);
        }

        public static bool operator ==(TextPair a, TextPair b)
        {
            return (a._key == b._key) && (a._value == b._value);
        }

        public static bool operator !=(TextPair a, TextPair b)
        {
            return (a._key != b._key) || (a._value != b._value);
        }

    }

}