/// <summary>
/// 解析主函数
/// </summary>
/// <param name="data">字节流数据</param>
/// <returns></returns>
public CxProtobufData Parser(byte[] data)
{
CxProtobufData pbData = new CxProtobufData();
Log("-----------------开始解析-------------------");
//读取二进制数据
for (int i = 0; i < data.Length; i++)
{
Log(Convert.ToString(data[i], 10).PadLeft(3, ' ') + " : " + Convert.ToString(data[i], 2).PadLeft(8, '0'));
}
//构建字节流
BufferedStream bs = new BufferedStream(new MemoryStream());
bs.Write(data, 0, data.Length);
bs.Position = 0;
int times = 0;
//解析
while (bs.Position < bs.Length)
{
ParserOne(bs, pbData);
times++;
if (times > 100)
{
Log("!!!!!!!!解析超过100条数据，查看是否数据错误!!!!!!!!!");
break;
}
}
Log(string.Format("canRead:{0},position:{1},length:{2}", bs.CanRead, bs.Position, bs.Length));
Log("-----------------完成解析-------------------");
return(pbData);
}
/// <summary>
/// 添加数据
/// </summary>
/// <param name="fieldIndex"></param>
/// <param name="data"></param>
public void Add(int fieldIndex, object data)
{
//数组repeated处理
if (_table.ContainsKey(fieldIndex))
{
List <CxProtobufData> list;
if (_table[fieldIndex] is List <CxProtobufData> )
{
list = _table[fieldIndex] as List <CxProtobufData>;
}
else
{
list = new List <CxProtobufData>();
CxProtobufData lastData = new CxProtobufData();
lastData.Add(1, _table[fieldIndex]);
list.Add(lastData);
_table[fieldIndex] = list;
}
CxProtobufData newData = new CxProtobufData();
newData.Add(1, data);
list.Add(newData);
}
else
{
_table.Add(fieldIndex, data);
}
}
/// <summary>
/// 解析一个数据
/// </summary>
/// <param name="bs">字节流</param>
/// <param name="table">存入table</param>
private void ParserOne(BufferedStream bs, CxProtobufData pbData)
{
object obj = null;
//解析key
int key = (int)GetVarint(bs);
int wireType = GetVarint_WireType(key);
int filedNum = GetVarint_FieldNum(key);
Log(String.Format("key:{0} wireType:{1} filedNum:{2}", key, wireType, filedNum));
/*-------------------------------------------------------------------------*
* 消息类型对应表
* 0 Varint int32, int64, uint32, uint64, sint32, sint64, bool, enum
* 1 64-bit fixed64, sfixed64, double
* 2 Length-delimited string, bytes, embedded messages, packed repeated fields
* 3 Start group groups (deprecated)
* 4 End group groups (deprecated)
* 5 32-bit fixed32, sfixed32, float
*-------------------------------------------------------------------------*/
//解析内容
switch (wireType)
{
case 0: //Varint: int32, int64, uint32, uint64, sint32, sint64, bool, enum
obj = GetVarint(bs);
Log("》》Varint:" + obj);
break;
case 1: //64-bit: fixed64, sfixed64, double
break;
case 2: //Length-delimited: string, bytes, embedded messages, packed repeated fields
obj = GetBytes(bs);
Log("》》Length-delimited:" + obj);
break;
case 3: //Start group groups (deprecated)
break;
case 4: //End group groups (deprecated)
break;
case 5: //32-bit fixed32, sfixed32, float
obj = Get32Bit(bs);
Log("》》32-bit:" + obj);
break;
}
pbData.Add(filedNum, obj);
}
/// <summary>
/// 获得repeated标记数组
/// </summary>
/// <param name="fieldIndex"></param>
/// <returns></returns>
public List <CxProtobufData> GetRepeated(int fieldIndex)
{
List <CxProtobufData> list = new List <CxProtobufData>();
if (HaveField(fieldIndex))
{
//如果只有一个数据不会构建list
if (_table[fieldIndex] is List <CxProtobufData> )
{
list = _table[fieldIndex] as List <CxProtobufData>;
}
else
{
list = new List <CxProtobufData>();
CxProtobufData lastData = new CxProtobufData();
lastData.Add(1, _table[fieldIndex]);
list.Add(lastData);
_table[fieldIndex] = list;
}
}
return(list);
}
