internal bool IsEmptyOrderbook(Meta.Message source, string filter, ITarget target)
{
bool flag2;
if ((source.Type == Meta.TableType.Boardbooks) ? (string.Compare(this.lastOrderbookBoard, this.currentTickerBoard, StringComparison.Ordinal) == 0) : ((string.Compare(this.lastOrderbookBoard, this.currentTickerBoard, StringComparison.Ordinal) == 0) && (string.Compare(this.lastOrderbookPaper, this.currentTickerPaper, StringComparison.Ordinal) == 0)))
{
return(false);
}
Reset(ref this.lastOrderbookBoard, ref this.lastOrderbookPaper);
this.lastOrderbookBoard = this.currentTickerBoard;
if (source.Type == Meta.TableType.Boardbooks)
{
flag2 = this.fldCount < 2;
}
else
{
this.lastOrderbookPaper = this.currentTickerPaper;
flag2 = this.fldCount <= 2;
}
if (target != null)
{
target.SwitchOrderbook(source, filter, this.lastOrderbookBoard, this.lastOrderbookPaper);
}
return(flag2);
}
public Parser Load(string table, IDictionary <string, object> param)
{
IntPtr ptr;
Parser parser;
this.CheckClosed();
Meta.Message source = this.market.Tables[table];
if (source == null)
{
throw new ClientException(-17, "Table " + table + " is not listed");
}
this.CheckScales(source);
string parameters = source.Encode(param, this.scales);
int code = this.module.MTEOpenTable(this.handle, table, parameters, 1, out ptr);
this.CheckResult(code);
try
{
int structure = Marshal.ReadInt32(ptr);
ptr += Marshal.SizeOf(structure);
byte[] destination = new byte[structure];
Marshal.Copy(ptr, destination, 0, structure);
parser = TableParser.Acquire(this, source, parameters, destination);
}
finally
{
this.module.MTECloseTable(this.handle, code);
}
return(parser);
}
private void CheckScales(Meta.Message source)
{
if (source.IsScaleNeeded && this.scales.Empty)
{
Meta.Message message = this.market.Tables.Find(Meta.TableType.Securities);
if (message != null)
{
IntPtr ptr;
string parameters = message.Encode(null, this.scales);
int code = this.module.MTEOpenTable(this.handle, message.Name, parameters, 1, out ptr);
this.CheckResult(code);
try
{
int structure = Marshal.ReadInt32(ptr);
ptr += Marshal.SizeOf(structure);
byte[] destination = new byte[structure];
Marshal.Copy(ptr, destination, 0, structure);
TableParser.Acquire(this, message, parameters, destination).Execute(null);
}
finally
{
this.module.MTECloseTable(this.handle, code);
}
}
}
}
private Request CreateRequest(int handle, Meta.Message source, string filter, string marker)
{
Request request = new Request(this, handle, source, filter, marker);
this.requests.Add(marker, request);
return(request);
}
protected int Parse(BinaryReader reader, Meta.Message source, string filter, ITarget target)
{
int num3;
int num = reader.ReadInt32();
Reset(ref this.currentTickerBoard, ref this.currentTickerPaper);
Reset(ref this.lastOrderbookBoard, ref this.lastOrderbookPaper);
if (target != null)
{
target.InitTableUpdate(source, filter);
}
try
{
for (int i = 0; i < num; i++)
{
this.ParseRow(reader, source, filter, target);
}
num3 = num;
}
finally
{
if (target != null)
{
target.DoneTableUpdate(source, filter);
}
}
return(num3);
}
internal Request(MOEX.ASTS.Client.Client client, int handle, Meta.Message source, string filter, string marker)
{
this.client = client;
this.Handle = handle;
this.Source = source;
this.Filter = filter;
this.marker = marker;
}
protected int GetRowDecimals(Meta.Message source, ITarget target)
{
if (!this.hasDecimals)
{
if (this.isNewRow)
{
if (source.Output.HasSecCode)
{
if (!this.isPartialOrderbook)
{
int numDecimal = 0;
if (!(source.Output.HasSecBoard ? this.client.Scales.Find(this.currentTickerBoard, this.currentTickerPaper, out numDecimal) : this.client.Scales.Find(this.currentTickerPaper, out numDecimal)))
{
//var res = this.client.Scales.Find(this.currentTickerBoard, this.currentTickerPaper, out numDecimal);
// Changed 2017-05-16 ot prevent problem with unknown SECs in
// TradeTimes table
if (!target.IsNullDecimal)
{
throw new ClientException(-16, "Trying to parse data having not loaded/parsed SECURITIES (" + this.currentTickerBoard + "." + this.currentTickerPaper + ")");
}
}
this.SetRowDecimals(target, numDecimal);
if (source.IsOrderbook)
{
this.lastOrderbookScale = numDecimal;
}
}
else
{
this.SetRowDecimals(target, this.lastOrderbookScale);
}
}
else
{
this.SetRowDecimals(target, 0);
if (source.IsOrderbook)
{
this.lastOrderbookScale = 0;
}
}
}
else
{
this.SetRowDecimals(target, (target == null) ? 0 : target.GetRecordDecimals());
}
}
return(this.rowDecimals);
}
protected override int Parse(IBinder binder)
{
if ((this.sources == null) || (base.buffer == null))
{
return(0);
}
using (BinaryReader reader = new BinaryReader(new MemoryStream(base.buffer, false), Parser.Win1251))
{
int num = 0;
for (int i = reader.ReadInt32(); i > 0; i--)
{
int index = reader.ReadInt32();
Meta.Message source = this.sources[index];
ITarget target = (binder == null) ? null : binder.Detect(source);
num += base.Parse(reader, source, this.filters[index], target);
}
return(num);
}
}
private Parser Open(string table, IDictionary <string, object> param, bool complete, byte[] snapshot, out string marker)
{
this.CheckClosed();
if ((snapshot != null) && (this.module.MTEOpenTableAtSnapshot == null))
{
throw new ClientException(-34, "MTEOpenTableAtSnapshot() not supported");
}
Meta.Message source = this.market.Tables[table];
if (source == null)
{
throw new ClientException(-17, "Table " + table + " is not listed");
}
this.CheckScales(source);
string parameters = source.Encode(param, this.scales);
marker = source.Name + '@' + parameters;
if (this.GetRequest(marker) == null)
{
IntPtr ptr;
int code = (snapshot == null) ? this.module.MTEOpenTable(this.handle, table, parameters, (complete || !source.IsUpdatable) ? 1 : 0, out ptr) : this.module.MTEOpenTableAtSnapshot(this.handle, table, parameters, snapshot, snapshot.Length, out ptr);
this.CheckResult(code);
try
{
int structure = Marshal.ReadInt32(ptr);
ptr += Marshal.SizeOf(structure);
byte[] destination = new byte[structure];
Marshal.Copy(ptr, destination, 0, structure);
return(TableParser.Acquire(this, source, parameters, destination));
}
finally
{
if (source.IsUpdatable)
{
this.CreateRequest(code, source, parameters, marker);
}
else
{
this.module.MTECloseTable(this.handle, code);
}
}
}
return(Parser.Empty);
}
public bool Execute(string transaction, IDictionary <string, object> param, out string report)
{
this.CheckClosed();
Meta.Message source = this.market.Transactions[transaction];
if (source == null)
{
throw new ClientException(-17, "Transaction " + transaction + " is not listed");
}
this.CheckScales(source);
string parameters = source.Encode(param, this.scales);
StringBuilder builder = new StringBuilder(0x400);
int code = this.module.MTEExecTrans(this.handle, transaction, parameters, builder);
report = builder.ToString();
if ((code != 0) && (code != -18))
{
this.CheckResult(code, builder);
}
return(code == 0);
}
public Parser Refresh(Sorter sorter)
{
IntPtr ptr;
this.CheckClosed();
if (this.requests.Count == 0)
{
return(Parser.Empty);
}
IList <Request> items = this.Prepare(this.GetRequests());
if (sorter != null)
{
sorter(items);
}
if (items.Count == 0)
{
return(Parser.Empty);
}
Meta.Message[] sources = new Meta.Message[items.Count];
string[] filters = new string[items.Count];
for (int i = 0; i < items.Count; i++)
{
Request request = items[i];
if (request != null)
{
sources[i] = request.Source;
filters[i] = request.Filter;
this.CheckResult(this.module.MTEAddTable(this.handle, request.Handle, i));
}
}
this.CheckResult(this.module.MTERefresh(this.handle, out ptr));
int structure = Marshal.ReadInt32(ptr);
ptr += Marshal.SizeOf(structure);
byte[] destination = new byte[structure];
Marshal.Copy(ptr, destination, 0, structure);
return(MultiParser.Acquire(this, sources, filters, destination));
}
internal static TableParser Acquire(MOEX.ASTS.Client.Client client, Meta.Message source, string filter, byte[] buffer)
{
return(new TableParser(client, source, filter, buffer));
}
internal TableParser(MOEX.ASTS.Client.Client client, Meta.Message source, string filter, byte[] buffer) : base(client, buffer)
{
this.source = source;
this.filter = filter;
}
internal Fields(Meta.Message owner, BinaryReader reader, int version, string language, bool input, Meta.EnumTypes enumerations)
{
Func <Meta.Field> loader = null;
this.keys = new List <Meta.Field>();
this.varBlockFirst = -1;
if (loader == null)
{
loader = () => new Meta.Field(reader, version, language, input, enumerations);
}
Meta.LoadItems <Meta.Field>(reader, this, loader);
for (int i = 0; i < base.Count; i++)
{
Meta.Field item = base[i];
item.offset = this.size;
this.size += item.Size;
item.isKey = owner.CanHaveKeys && ((item.flags & 1) != 0);
if (item.isKey)
{
this.keys.Add(item);
if (!input)
{
owner.maxEssentialIndex = i;
}
}
if ((item.flags & 8) != 0)
{
if (this.varBlockCount == 0)
{
this.varBlockFirst = i;
this.varBlockCount++;
}
else
{
this.varBlockCount = (1 + i) - this.varBlockFirst;
}
}
if (item.IsSecCode)
{
this.fldSecCode = item;
if (!input)
{
owner.maxEssentialIndex = i;
}
for (int j = i - 1; j >= 0; j--)
{
if (BoardFieldNames.Contains(base[j].Name))
{
this.fldSecBoard = base[j];
this.fldSecBoard.flags |= 0x200;
break;
}
}
}
if (MarketFieldNames.Contains(item.Name))
{
item.flags |= 0x400;
this.fldMarketID = item;
}
if (ScaleFieldNames.Contains(item.Name))
{
item.flags |= 0x100;
this.fldDecimals = item;
if (!input)
{
owner.maxEssentialIndex = i;
}
}
}
if (this.fldDecimals == null)
{
for (int k = 0; k < base.Count; k++)
{
Meta.Field field2 = base[k];
if ((field2.Type == Meta.FieldType.Float) && (field2.Decimals < 0))
{
owner.flags |= 0x400;
}
}
}
}
protected object ParseData(BinaryReader reader, Meta.Message source, Meta.Field field, ITarget target)
{
object obj2;
if (field.IsOneChar)
{
obj2 = reader.ReadChar();
}
else if (field.CanEscape && (reader.PeekChar() == 0x23))
{
obj2 = null;
reader.ReadChar();
}
else
{
int size = field.Size;
switch (field.Type)
{
case Meta.FieldType.Char:
obj2 = Read(reader, size);
break;
case Meta.FieldType.Integer:
Int64?nullable = null; //KAA
obj2 = SToL(reader, size);
/*
* if (size <= 9)
* {
* nullable = SToI(reader, size);
* }
* //KAA
* obj2 = (nullable.HasValue ? SToL(reader, size) : null);
* //obj2 = nullable.HasValue ? nullable. : null;
* //obj2 = nullable.GetValueOrDefault();
*/
break;
case Meta.FieldType.Fixed:
obj2 = SToF(reader, size, (byte)field.Decimals);
break;
case Meta.FieldType.Float:
obj2 = SToF(reader, size, (byte)this.GetRowDecimals(source, target));
break;
case Meta.FieldType.Date:
obj2 = SToI(reader, size);
break;
case Meta.FieldType.Time:
obj2 = SToI(reader, size);
break;
case Meta.FieldType.FloatPoint:
{
char[] chArray = reader.ReadChars(size);
int length = chArray.Length;
while ((length > 0) && (chArray[length - 1] == ' '))
{
length--;
}
while ((length > 0) && (chArray[length - 1] == '0'))
{
length--;
}
if (length == 0)
{
obj2 = null;
}
else
{
decimal num3;
if (decimal.TryParse(new string(chArray, 0, length), NumberStyles.Float, NumberFormatInfo.InvariantInfo, out num3))
{
obj2 = num3;
}
else
{
obj2 = null;
}
}
break;
}
default:
obj2 = null;
break;
}
}
if (target != null)
{
if (this.parseKeyPhase)
{
target.SetKeyValue(field, obj2);
return(obj2);
}
target.SetFieldValue(field, obj2);
}
return(obj2);
}
protected void ParseRow(BinaryReader reader, Meta.Message source, string filter, ITarget target)
{
int num4;
this.fldCount = reader.ReadByte();
int num = reader.ReadInt32();
if (this.fldCount == 0)
{
this.fldCount = source.Output.Count;
this.fldIndex = everything;
}
else
{
this.fldIndex = this.projection;
for (int i = 0; i < this.fldCount; i++)
{
this.fldIndex[i] = reader.ReadByte();
}
}
this.isPartialOrderbook = source.IsOrderbook && (this.fldIndex[0] != 0);
this.parseKeyPhase = true;
try
{
if ((source.maxEssentialIndex < 0) || this.isPartialOrderbook)
{
this.hasDecimals = false;
this.rowDecimals = 0;
}
else
{
int num3 = this.ParseKeys(reader, source, target);
this.hasDecimals = num3 >= 0;
this.rowDecimals = this.hasDecimals ? num3 : 0;
}
}
finally
{
this.parseKeyPhase = false;
}
if (((source.IsOrderbook && this.IsEmptyOrderbook(source, filter, target)) || ((source.Output.IsSecNoBoard && (this.currentTickerPaper.Length > 0)) && !this.client.Scales.Find(this.currentTickerPaper, out num4))) || (num == 0))
{
Stream baseStream = reader.BaseStream;
baseStream.Position += num;
}
else
{
this.isNewRow = ((target == null) || target.InitRecordUpdate(source, filter)) || source.IsOrderbook;
try
{
int num7;
if (this.hasDecimals)
{
if (source.Output.HasSecCode)
{
this.client.Scales.Add(this.currentTickerBoard, this.currentTickerPaper, this.rowDecimals);
}
if ((target != null) && this.isNewRow)
{
target.SetRecordDecimals(this.rowDecimals);
}
}
else if (this.isNewRow)
{
this.GetRowDecimals(source, target);
}
if (source.IsOrderbook)
{
if (this.isPartialOrderbook)
{
long position = reader.BaseStream.Position;
try
{
reader.BaseStream.Position = this.orderbookHeadPos;
for (int j = 0; j < this.fldIndex[0]; j++)
{
Meta.Field field = source.Output[j];
this.ParseData(reader, source, field, target);
}
goto Label_0251;
}
finally
{
reader.BaseStream.Position = position;
}
}
this.orderbookHeadPos = reader.BaseStream.Position;
}
Label_0251:
num7 = 0;
while (num7 < this.fldCount)
{
Meta.Field field2 = source.Output[this.fldIndex[num7]];
this.ParseData(reader, source, field2, target);
num7++;
}
}
finally
{
if (target != null)
{
target.DoneRecordUpdate(source, filter);
}
}
}
}
protected int ParseKeys(BinaryReader reader, Meta.Message source, ITarget target)
{
int num = -1;
Reset(ref this.currentTickerBoard, ref this.currentTickerPaper);
int count = source.Output.Keys.Count;
if (source.Output.HasDecimals)
{
count++;
}
if (source.Output.HasSecBoard)
{
count++;
}
if (source.Output.HasSecCode)
{
count++;
}
if (source.Output.HasMarketID)
{
count++;
}
long position = reader.BaseStream.Position;
try
{
for (int i = 0; (i < this.fldCount) && (count > 0); i++)
{
int num5 = this.fldIndex[i];
if (num5 > source.maxEssentialIndex)
{
return(num);
}
Meta.Field field = source.Output[num5];
bool isKey = field.IsKey;
int size = field.Size;
object obj2 = null;
if (isKey)
{
count--;
obj2 = this.ParseData(reader, source, field, target);
size = 0;
}
else if (field.CanEscape && (reader.PeekChar() == 0x23))
{
reader.ReadChar();
size = 0;
}
switch ((field.Flags & 0xff02))
{
case 2:
count--;
this.currentTickerPaper = Convert.ToString(isKey ? obj2 : Read(reader, size));
break;
case 0x100:
count--;
num = Convert.ToInt32(isKey ? obj2 : SToI(reader, size));
break;
case 0x200:
count--;
this.currentTickerBoard = Convert.ToString(isKey ? obj2 : Read(reader, size));
break;
case 0x400:
count--;
if (!isKey)
{
Stream baseStream = reader.BaseStream;
baseStream.Position += size;
}
break;
default:
{
Stream stream2 = reader.BaseStream;
stream2.Position += size;
break;
}
}
}
}
finally
{
reader.BaseStream.Position = position;
}
return(num);
}
