using System;
using System.Collections;
using System.Net;
namespace NewLife.Serialization
{
/// <summary>写入器接口</summary>
/// <remarks>
/// 序列化框架的核心思想:基本类型直接写入,自定义类型反射得到成员,逐层递归写入!详见<see cref="IReaderWriter" />
///
/// 序列化框架的处理顺序为:<see cref="IAccessor" />接口 => <see cref="OnObjectWriting" />事件 => 扩展类型 => <see cref="WriteValue" />基础类型 => <see cref="WriteDictionary" />字典 => <see cref="WriteEnumerable" />枚举 => <see cref="WriteSerializable" />序列化接口 => <see cref="WriteCustomObject" />自定义对象 => <see cref="WriteUnKnown" />未知类型 => <see cref="OnObjectWrited" />事件
///
/// 序列化对象时只能调用<see cref="WriteObject(Object)" />方法,其它所有方法(包括所有Write重载)仅用于内部写入或者自定义序列化时使用。
/// </remarks>
public interface IWriter : IReaderWriter
{
#region 基元类型
#region 字节
/// <summary>将一个无符号字节写入</summary>
/// <param name="value">要写入的无符号字节。</param>
void Write(Byte value);
/// <summary>将字节数组写入,如果设置了UseSize,则先写入数组长度。</summary>
/// <param name="buffer">包含要写入的数据的字节数组。</param>
void Write(byte[] buffer);
/// <summary>将一个有符号字节写入当前流,并将流的位置提升 1 个字节。</summary>
/// <param name="value">要写入的有符号字节。</param>
void Write(sbyte value);
/// <summary>将字节数组部分写入当前流,不写入数组长度。</summary>
/// <param name="buffer">包含要写入的数据的字节数组。</param>
/// <param name="index">buffer 中开始写入的起始点。</param>
/// <param name="count">要写入的字节数。</param>
void Write(byte[] buffer, int index, int count);
#endregion
#region 有符号整数
/// <summary>将 2 字节有符号整数写入当前流,并将流的位置提升 2 个字节。</summary>
/// <param name="value">要写入的 2 字节有符号整数。</param>
void Write(short value);
/// <summary>将 4 字节有符号整数写入当前流,并将流的位置提升 4 个字节。</summary>
/// <param name="value">要写入的 4 字节有符号整数。</param>
void Write(int value);
/// <summary>将 8 字节有符号整数写入当前流,并将流的位置提升 8 个字节。</summary>
/// <param name="value">要写入的 8 字节有符号整数。</param>
void Write(long value);
#endregion
#region 无符号整数
/// <summary>将 2 字节无符号整数写入当前流,并将流的位置提升 2 个字节。</summary>
/// <param name="value">要写入的 2 字节无符号整数。</param>
void Write(ushort value);
/// <summary>将 4 字节无符号整数写入当前流,并将流的位置提升 4 个字节。</summary>
/// <param name="value">要写入的 4 字节无符号整数。</param>
void Write(uint value);
/// <summary>将 8 字节无符号整数写入当前流,并将流的位置提升 8 个字节。</summary>
/// <param name="value">要写入的 8 字节无符号整数。</param>
void Write(ulong value);
#endregion
#region 浮点数
/// <summary>将 4 字节浮点值写入当前流,并将流的位置提升 4 个字节。</summary>
/// <param name="value">要写入的 4 字节浮点值。</param>
void Write(float value);
/// <summary>将 8 字节浮点值写入当前流,并将流的位置提升 8 个字节。</summary>
/// <param name="value">要写入的 8 字节浮点值。</param>
void Write(double value);
#endregion
#region 字符串
/// <summary>将 Unicode 字符写入当前流,并根据所使用的 Encoding 和向流中写入的特定字符,提升流的当前位置。</summary>
/// <param name="ch">要写入的非代理项 Unicode 字符。</param>
void Write(char ch);
/// <summary>将字符数组写入当前流,并根据所使用的 Encoding 和向流中写入的特定字符,提升流的当前位置。</summary>
/// <param name="chars">包含要写入的数据的字符数组。</param>
void Write(char[] chars);
/// <summary>将字符数组部分写入当前流,并根据所使用的 Encoding(可能还根据向流中写入的特定字符),提升流的当前位置。</summary>
/// <param name="chars">包含要写入的数据的字符数组。</param>
/// <param name="index">chars 中开始写入的起始点。</param>
/// <param name="count">要写入的字符数。</param>
void Write(char[] chars, int index, int count);
/// <summary>写入字符串</summary>
/// <param name="value">要写入的值。</param>
void Write(string value);
#endregion
#region 其它
/// <summary>将单字节 Boolean 值写入</summary>
/// <param name="value">要写入的 Boolean 值</param>
void Write(Boolean value);
/// <summary>将一个十进制值写入当前流,并将流位置提升十六个字节。</summary>
/// <param name="value">要写入的十进制值。</param>
void Write(decimal value);
/// <summary>将一个时间日期写入</summary>
/// <param name="value"></param>
void Write(DateTime value);
#endregion
#endregion
#region 值类型
/// <summary>写入值类型</summary>
/// <param name="value"></param>
/// <returns></returns>
Boolean WriteValue(Object value);
#endregion
#region 扩展类型
/// <summary>写入Guid</summary>
/// <param name="value"></param>
void Write(Guid value);
/// <summary>写入IPAddress</summary>
/// <param name="value"></param>
void Write(IPAddress value);
/// <summary>写入IPEndPoint</summary>
/// <param name="value"></param>
void Write(IPEndPoint value);
/// <summary>写入Type</summary>
/// <param name="value"></param>
void Write(Type value);
#endregion
#region 复杂对象
/// <summary>主要入口方法。把对象写入数据流</summary>
/// <param name="value">对象</param>
/// <returns>是否写入成功</returns>
Boolean WriteObject(Object value);
/// <summary>主要入口方法。写入对象。具体读写器可以重载该方法以修改写入对象前后的行为。</summary>
/// <param name="value">对象</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
Boolean WriteObject(Object value, Type type, WriteObjectCallback callback);
/// <summary>写入对象引用。</summary>
/// <param name="value">对象</param>
/// <returns>是否写入成功</returns>
Boolean WriteObjRef(Object value);
#endregion
#region 自定义对象
/// <summary>写自定义对象</summary>
/// <param name="value">要写入的对象</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
Boolean WriteCustomObject(Object value, Type type, WriteObjectCallback callback);
/// <summary>写入对象成员</summary>
/// <param name="value">要写入的对象</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="member">成员</param>
/// <param name="index">成员索引</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
Boolean WriteMember(Object value, Type type, IObjectMemberInfo member, Int32 index, WriteObjectCallback callback);
#endregion
#region 字典
/// <summary>写入字典类型数据</summary>
/// <param name="value">字典数据</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
Boolean WriteDictionary(IDictionary value, Type type, WriteObjectCallback callback);
#endregion
#region 枚举
/// <summary>写入枚举类型数据</summary>
/// <param name="value">枚举数据</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
Boolean WriteEnumerable(IEnumerable value, Type type, WriteObjectCallback callback);
#endregion
#region 序列化接口
/// <summary>写入实现了可序列化接口的对象</summary>
/// <param name="value">要写入的对象</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
Boolean WriteSerializable(Object value, Type type, WriteObjectCallback callback);
#endregion
#region 未知对象
/// <summary>写入未知对象(其它所有方法都无法识别的对象),采用BinaryFormatter或者XmlSerialization</summary>
/// <param name="value">要写入的对象</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
Boolean WriteUnKnown(Object value, Type type, WriteObjectCallback callback);
#endregion
#region 事件
/// <summary>写对象前触发。</summary>
event EventHandler<WriteObjectEventArgs> OnObjectWriting;
/// <summary>写对象后触发。</summary>
event EventHandler<WriteObjectEventArgs> OnObjectWrited;
/// <summary>写成员前触发。</summary>
event EventHandler<WriteMemberEventArgs> OnMemberWriting;
/// <summary>写成员后触发。</summary>
event EventHandler<WriteMemberEventArgs> OnMemberWrited;
/// <summary>写字典项前触发。</summary>
event EventHandler<WriteDictionaryEventArgs> OnDictionaryWriting;
/// <summary>写字典项后触发。</summary>
event EventHandler<WriteDictionaryEventArgs> OnDictionaryWrited;
/// <summary>写枚举项前触发。</summary>
event EventHandler<WriteItemEventArgs> OnItemWriting;
/// <summary>写枚举项后触发。</summary>
event EventHandler<WriteItemEventArgs> OnItemWrited;
#endregion
#region 方法
/// <summary>写入大小</summary>
/// <param name="size"></param>
void WriteSize(Int32 size);
/// <summary>刷新缓存中的数据</summary>
void Flush();
// 耗时且影响数据流,慎用!
///// <summary>输出数据转为字节数组</summary>
///// <returns></returns>
//Byte[] ToArray();
#endregion
}
/// <summary>数据写入方法</summary>
/// <param name="writer">写入器</param>
/// <param name="value">要写入的对象</param>
/// <param name="type">要写入的对象类型</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否写入成功</returns>
public delegate Boolean WriteObjectCallback(IWriter writer, Object value, Type type, WriteObjectCallback callback);
}
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