/// <summary>
/// 注册指定类型的值名称映射
/// </summary>
/// <param name="type">目标类型</param>
/// <param name="valueNameDic">值名称字典集合</param>
public static void RegisteType(Type type, ValueNameDictionary valueNameDic)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (valueNameDic == null)
{
throw new ArgumentNullException(nameof(valueNameDic));
}
_typeValueNameDictionaryDic[type] = valueNameDic;
}
/// <summary>
/// 获取值对应的名称
/// </summary>
/// <param name="value">值</param>
/// <param name="dic">值名称映射字典集合</param>
/// <returns>值对应的名称</returns>
protected override string PrimitiveGetName(object value, ValueNameDictionary dic)
{
string name;
if (this._getNameFunc == null)
{
name = $"未知的{dic.ValueNameMapTypeAttribute.Name}[{value}]";
}
else
{
name = this._getNameFunc(value, dic);
}
return(name);
}
/// <summary>
/// 注册常量类
/// </summary>
/// <typeparam name="T">目标类型</typeparam>
public static void RegisteType <T>()
{
Type type = typeof(T);
Type valueNameMapTypeAttributeType = typeof(ValueNameMapTypeAttribute);
object[] attrObjArr = type.GetCustomAttributes(valueNameMapTypeAttributeType, false);
if (attrObjArr == null || attrObjArr.Length == 0)
{
throw new ApplicationException($"映射字段定义类型类[{type.FullName}]未标记[{valueNameMapTypeAttributeType.FullName}]特性");
}
var valueNameMapTypeAttribute = (ValueNameMapTypeAttribute)attrObjArr[0];
var dic = new ValueNameDictionary(valueNameMapTypeAttribute);
FieldInfo[] fieldInfoArr = type.GetFields(System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
Type valueNameMapFieldAttributeType = typeof(ValueNameMapFieldAttribute);
object key;
ValueNameMapFieldAttribute value;
foreach (var fieldInfo in fieldInfoArr)
{
attrObjArr = fieldInfo.GetCustomAttributes(valueNameMapFieldAttributeType, true);
if (attrObjArr == null || attrObjArr.Length == 0)
{
//字段无特性,忽略该字段
continue;
}
key = fieldInfo.GetValue(null);
value = (ValueNameMapFieldAttribute)attrObjArr[0];
if (dic.ContainsKey(key))
{
throw new ApplicationException($"类型[{type.FullName}]字段值[{key}]重复");
}
dic.Add(key, value);
}
RegisteType(type, dic);
}
/// <summary> /// 获取值对应的名称 /// </summary> /// <param name="value">值</param> /// <param name="dic">值名称映射字典集合</param> /// <returns>值对应的名称</returns> protected abstract string PrimitiveGetName(object value, ValueNameDictionary dic);
/// <summary>
/// 获取值对应的名称
/// </summary>
/// <param name="value">值</param>
/// <param name="dic">值名称映射字典集合</param>
/// <returns>值对应的名称</returns>
public string GetName(object value, ValueNameDictionary dic)
{
return(this.PrimitiveGetName(value, dic));
}
/// <summary>
/// 注册常量类
/// </summary>
/// <typeparam name="T">目标类型</typeparam>
/// <param name="valueNameDic">值名称字典集合</param>
public static void RegisteType <T>(ValueNameDictionary valueNameDic)
{
RegisteType(typeof(T), valueNameDic);
}
