internal static void Decode(int serial, PacketBuffer buffer)
{
byte bSize = 0, bMark = 0, bFlag = 0, bTemp = 0;
MitakeSymbolInformation cSymbolInfo = new MitakeSymbolInformation();
bSize = buffer.Data[3];
buffer.Position = 7; //移動至資料結構
//判斷股票別(如果為0 表示無此資料)
bFlag = buffer[0];
//取得市場別(0=集中市場 1=上櫃 2=期貨 3=興櫃)
cSymbolInfo.市場別 = BitConvert.GetValue(bFlag, 6, 2);
//取得是否為警示股
bTemp = BitConvert.GetValue(bFlag, 5, 1);
cSymbolInfo.警示 = ((bTemp == 1) ? true : false);
//取得是否為下市股票(五個交易日後移除)
bTemp = BitConvert.GetValue(bFlag, 4, 1);
cSymbolInfo.市 = ((bTemp == 1) ? true : false);
//取得市場分類(參閱解碼表代號)
cSymbolInfo.市場分類 = BitConvert.GetValue(bFlag, 0, 4);
++buffer.Position;
//取得股票代號(舊格式股票代號)
cSymbolInfo.SymbolId = Encoding.UTF8.GetString(buffer.Data, buffer.Position, 5).Trim();
buffer.Position += 5;
//取得股票名稱
cSymbolInfo.SymbolName = Encoding.UTF8.GetString(buffer.Data, buffer.Position, 9).Replace("\0", string.Empty);
buffer.Position += 9;
//期貨擴充(1:一般, 2:現月, 3:次月 PS:股票無使用)
bMark = buffer[0];
cSymbolInfo.FutureMark = bMark;
++buffer.Position;
string sSymbolId = string.Empty;
if (cSymbolInfo.市場別 == 2) //判斷是否為期貨
{
if (cSymbolInfo.市場分類 == 2)
{
//如果市場分類 == 2，則可能是選擇權(SID2 = 10Bytes)
sSymbolId = Encoding.UTF8.GetString(buffer.Data, buffer.Position, 10).Trim('\0', ' ');
buffer.Position += 10;
}
else
{
sSymbolId = Encoding.UTF8.GetString(buffer.Data, buffer.Position, 13).Trim('\0', ' ');
buffer.Position += 13;
}
}
else
{
//取得SID2
sSymbolId = Encoding.UTF8.GetString(buffer.Data, buffer.Position, 6).Trim('\0', ' ');
buffer.Position += 6;
//取得個股產業類別
cSymbolInfo.產業別 = Encoding.UTF8.GetString(buffer.Data, buffer.Position, 2);
buffer.Position += 2;
//取得個股證券類別
cSymbolInfo.證券別 = Encoding.UTF8.GetString(buffer.Data, buffer.Position, 2);
buffer.Position += 2;
}
if (sSymbolId.Length > 0)
{
//轉換為標準台股商品代號格式
string[] sSymbolIds = MitakeSymbolManager.Convert(cSymbolInfo.SymbolId, sSymbolId, (cSymbolInfo.市場別 == 2) ? cSymbolInfo.市場分類 : 0);
if (sSymbolIds != null)
{
cSymbolInfo.SymbolId = sSymbolIds[0];
if (!MitakeSymbolManager.IsExist(sSymbolIds[0]))
{
AddProductToExchange(cSymbolInfo, sSymbolIds[1]); //將股票代號更新至交易所內
}
MitakeSymbolManager.AddQuoteSymbolInformation(serial, cSymbolInfo); //將基本資訊加入代號管理員內
}
}
}
private static void AddProductToExchange(MitakeSymbolInformation symbolInformation, string commodityId)
{
ESymbolCategory cCategory = ESymbolCategory.Stock;
switch (symbolInformation.市場別)
{
case 0: //集中市場
case 1: //上櫃市場
string sType = ((symbolInformation.市場別 == 0) ? "TSE" : "OTC");
commodityId = string.Format("{0}_STOCK", sType);
switch (symbolInformation.市場分類)
{
case 3: //基金
cCategory = ESymbolCategory.Spread;
commodityId = string.Format("{0}_{1}", sType, "SPREAD");
break;
case 4: //認股權證
cCategory = ESymbolCategory.Warrant;
commodityId = string.Format("{0}_{1}", sType, "WARRANT");
break;
case 9: //中央政府公債
cCategory = ESymbolCategory.Bond;
commodityId = string.Format("{0}_{1}", sType, "BOND");
break;
case 10: //富時指數(TW50)
cCategory = ESymbolCategory.Index;
commodityId = "INDEX";
break;
}
break;
case 2: //期貨市場
switch (symbolInformation.市場分類)
{
case 1: //一般期貨
case 3: //期貨股票
cCategory = ESymbolCategory.Future;
if (symbolInformation.市場分類 == 3)
{
commodityId = "STOCK_FUTURE";
}
break;
case 2: //選擇權
if (MitakeSymbolManager.IsIndexOption(commodityId))
{
cCategory = ESymbolCategory.IndexOption;
}
else
{
cCategory = ESymbolCategory.StockOption;
}
break;
}
break;
}
if (commodityId == null)
{
commodityId = "UNKNOWN";
}
string sExchangeName = MitakeSymbolManager.ExchangeName;
AbstractExchange cExchange = ProductManager.Manager.GetExchange(sExchangeName);
cExchange.AddProduct(new Product()
{
CommodityId = commodityId,
Category = cCategory,
SymbolId = symbolInformation.SymbolId,
SymbolName = symbolInformation.SymbolName
});
}