public Sequence(Sequence other)
: base(other)
{
_group = (Group) other._group.Clone();
_implicitLength = other._implicitLength;
_length = (Scalar) other._length.Clone();
}
public ScalarValue Lookup(Group template, QName key, QName applicationType)
{
ScalarValue value;
if (_dictionary.TryGetValue(Tuple.Create(template.TypeReference, key), out value))
return value;
return ScalarValue.Undefined;
}
public Group(Group other)
: base(other)
{
_childNamespace = other._childNamespace;
_typeReference = other._typeReference;
Init(other._fieldDefinitions.CloneArray(),
out _fieldDefinitions, out _fields, out _fieldIndexMap, out _fieldNameMap,
out _introspectiveFieldMap, out _usesPresenceMapRenamedField, out _staticTemplateReferences);
}
public void TestEncodeDecodeNestedSequence()
{
var nestedSequence = new Sequence("nested", new Field[] { new Scalar("string", FASTType.ASCII, Operator.COPY, ScalarValue.UNDEFINED, false) }, true);
var group = new Group("group", new Field[] { nestedSequence }, true);
var t = new MessageTemplate("template", new Field[] { group });
var message = new Message(t);
FastEncoder encoder = Encoder(t);
AssertEquals("11000000 10000001", encoder.Encode(message));
FastDecoder decoder = Decoder("11000000 10000001", t);
Assert.AreEqual(message, decoder.ReadMessage());
}
public Sequence(QName name, Scalar length, Field[] fields, bool optional)
: base(name, optional)
{
_group = new Group(name, fields, optional);
if (length == null)
{
_length = CreateLength(name, optional);
_implicitLength = true;
}
else
_length = length;
}
public void TestDecode()
{
const string message = "11000000 10000010 10000010";
Stream inp = new MemoryStream(ByteUtil.ConvertBitStringToFastByteArray(message));
var firstname = new Scalar("firstName", FastType.U32, Operator.Copy,
ScalarValue.Undefined, true);
var lastName = new Scalar("lastName", FastType.U32, Operator.None,
ScalarValue.Undefined, false);
// MessageInputStream in = new MessageInputStream(new
// ByteArrayInputStream(message.getBytes()));
var group = new Group("person", new Field[] {firstname, lastName}, false);
var groupValue = (GroupValue) group.Decode(inp, _template, _context, BitVectorReader.InfiniteTrue);
Assert.AreEqual(1, ((IntegerValue) groupValue.GetValue(0)).Value);
Assert.AreEqual(2, ((IntegerValue) groupValue.GetValue(1)).Value);
}
public static Message Convert(Group group, Message groupMsg, ConversionContext context)
{
SetNameAndId(group, groupMsg);
if (group.TypeReference != null && !FastConstants.AnyType.Equals(group.TypeReference))
{
var typeRef =
new GroupValue(
(Group) SessionControlProtocol11
.TypeRef
.GetField(new QName("TypeRef", SessionControlProtocol11.Namespace)));
SetName(typeRef, group.TypeReference);
groupMsg.SetFieldValue("TypeRef", typeRef);
}
var instructions = new SequenceValue(
SessionControlProtocol11.TemplateDefinition.GetSequence("Instructions"));
if (group.TypeReference != null && !FastConstants.AnyType.Equals(group.TypeReference))
{
var typeRef =
new GroupValue(
(Group)
SessionControlProtocol11
.TypeRef
.GetField(new QName("TypeRef", SessionControlProtocol11.Namespace)));
SetName(typeRef, group.TypeReference);
groupMsg.SetFieldValue("TypeRef", typeRef);
}
Field[] fields = group.FieldDefinitions;
for (int i = group is MessageTemplate ? 1 : 0; i < fields.Length; i++)
{
Field field = fields[i];
IFieldInstructionConverter converter = context.GetConverter(field);
if (converter == null)
throw new InvalidOperationException("No converter found for type " + field.GetType());
IFieldValue v = converter.Convert(field, context);
instructions.Add(new[] {v});
}
groupMsg.SetFieldValue("Instructions", instructions);
return groupMsg;
}
public GroupValue(Group group, IFieldValue[] values)
{
if (group == null) throw new ArgumentNullException("group");
if (values == null) throw new ArgumentNullException("values");
_group = group;
_values = values;
Field[] flds = group.Fields;
for (int i = 0; i < flds.Length; i++)
{
var scalar = flds[i] as Scalar;
if (scalar != null && scalar.Operator.Equals(Operator.Constant) && !scalar.IsOptional)
{
values[i] = scalar.DefaultValue;
}
}
}
public override FieldValue Decode(System.IO.Stream in_Renamed, Group decodeTemplate, Context context, BitVectorReader presenceMapReader)
{
var values = new FieldValue[fields.Length];
for (var i = 0; i < fields.Length; i++)
{
values[i] = fields[i].Decode(in_Renamed, decodeTemplate, context, presenceMapReader);
if (i == 0 && values[0] == null)
return null;
}
return valueConverter.Compose(values);
}
public override byte[] Encode(IFieldValue value, Group encodeTemplate, Context context,
BitVectorBuilder presenceMapBuilder)
{
if (HasTypeReference)
context.CurrentApplicationType = TypeReference;
if (value == null)
return _length.Encode(null, encodeTemplate, context, presenceMapBuilder);
var buffer = new MemoryStream();
var val = (SequenceValue) value;
int len = val.Length;
try
{
byte[] tmp = _length.Encode(new IntegerValue(len), encodeTemplate, context, presenceMapBuilder);
buffer.Write(tmp, 0, tmp.Length);
foreach (GroupValue v in val.Elements)
{
tmp = _group.Encode(v, encodeTemplate, context);
buffer.Write(tmp, 0, tmp.Length);
}
}
catch (IOException e)
{
Global.ErrorHandler.OnError(e, DynError.IoError, "An IO error occurred while encoding {0}", this);
}
return buffer.ToArray();
}
public override byte[] Encode(FieldValue value_Renamed, Group encodeTemplate, Context context, BitVectorBuilder presenceMapBuilder)
{
if (value_Renamed == null)
{
// Only encode null in the first field.
return fields[0].Encode(null, encodeTemplate, context, presenceMapBuilder);
}
var buffer = new System.IO.MemoryStream(fields.Length * 8);
var values = valueConverter.Split(value_Renamed);
for (int i = 0; i < fields.Length; i++)
{
try
{
var temp_byteArray = fields[i].Encode(values[i], encodeTemplate, context, presenceMapBuilder);
buffer.Write(temp_byteArray, 0, temp_byteArray.Length);
}
catch (System.IO.IOException e)
{
throw new RuntimeException(e);
}
}
return buffer.ToArray();
}
public ScalarValue Lookup(Group template, QName key, QName applicationType)
{
ScalarValue value;
return _dictionary.TryGetValue(key, out value) ? value : ScalarValue.Undefined;
}
public override IFieldValue Decode(Stream inStream, Group decodeTemplate, Context context,
BitVectorReader pmapReader)
{
var sequenceValue = new SequenceValue(this);
IFieldValue lengthValue = _length.Decode(inStream, decodeTemplate, context, pmapReader);
if ((lengthValue == ScalarValue.Null) || (lengthValue == null))
{
return null;
}
int len = ((IntegerValue) lengthValue).Value;
for (int i = 0; i < len; i++)
sequenceValue.Add(
(GroupValue) _group.Decode(inStream, decodeTemplate, context, BitVectorReader.InfiniteTrue));
return sequenceValue;
}
public override FieldValue Decode(System.IO.Stream in_Renamed, Group decodeTemplate, Context context, BitVectorReader pmapReader)
{
var sequenceValue = new SequenceValue(this);
FieldValue lengthValue = length.Decode(in_Renamed, decodeTemplate, context, pmapReader);
if ((lengthValue == ScalarValue.NULL) || (lengthValue == null))
{
return null;
}
int len = ((IntegerValue) lengthValue).value_Renamed;
for (var i = 0; i < len; i++)
sequenceValue.Add((GroupValue) group.Decode(in_Renamed, decodeTemplate, context, BitVectorReader.INFINITE_TRUE));
return sequenceValue;
}
public static Operator GetOperator(Group group)
{
var msgTemplate = group as MessageTemplate;
Operator value;
if (msgTemplate != null && TemplateOperatorMap.TryGetValue(msgTemplate, out value))
return value;
return null;
}
public void Store(Group template, QName key, QName applicationType, ScalarValue value)
{
_dictionary[key] = value;
}
protected void SetUp()
{
_template = new MessageTemplate("", new Field[0]);
_context = new Context();
}
public abstract byte[] Encode(FieldValue value_Renamed, Group encodeTemplate, Context context, BitVectorBuilder presenceMapBuilder);
public override FieldValue Decode(System.IO.Stream in_Renamed, Group decodeTemplate, Context context, BitVectorReader presenceMapReader)
{
try
{
ScalarValue previousValue = null;
if (operator_Renamed.UsesDictionary())
{
previousValue = context.Lookup(Dictionary, decodeTemplate, Key);
ValidateDictionaryTypeAgainstFieldType(previousValue, type);
}
ScalarValue value_Renamed;
int pmapIndex = presenceMapReader.Index;
if (IsPresent(presenceMapReader))
{
if (context.TraceEnabled)
in_Renamed = new RecordingInputStream(in_Renamed);
if (!operatorCodec.ShouldDecodeType())
{
return operatorCodec.DecodeValue(null, null, this);
}
ScalarValue decodedValue = typeCodec.Decode(in_Renamed);
value_Renamed = DecodeValue(decodedValue, previousValue);
if (context.TraceEnabled)
context.DecodeTrace.Field(this, value_Renamed, decodedValue, ((RecordingInputStream) in_Renamed).Buffer, pmapIndex);
}
else
{
value_Renamed = Decode(previousValue);
}
ValidateDecodedValueIsCorrectForType(value_Renamed, type);
if (!((Operator == Template.Operator.Operator.DELTA) && (value_Renamed == null)))
{
context.Store(Dictionary, decodeTemplate, Key, value_Renamed);
}
return value_Renamed;
}
catch (FastException e)
{
throw new FastException("Error occurred while decoding " + this, e.Code, e);
}
}
public abstract FieldValue Decode(System.IO.Stream in_Renamed, Group decodeTemplate, Context context, BitVectorReader presenceMapReader);
public void Store(Group template, QName key, QName applicationType, ScalarValue value)
{
_dictionary[Tuple.Create(template.TypeReference, key)] = value;
}
public override FieldValue Decode(System.IO.Stream in_Renamed, Group decodeTemplate, Context context, BitVectorReader pmapReader)
{
return new FastDecoder(context, in_Renamed).ReadMessage();
}
public override IFieldValue Decode(Stream inStream, Group decodeTemplate, Context context,
BitVectorReader presenceMapReader)
{
try
{
ScalarValue priorValue = null;
IDictionary dict = null;
QName key = Key;
ScalarValue value;
int pmapIndex = presenceMapReader.Index;
if (IsPresent(presenceMapReader))
{
if (context.TraceEnabled)
inStream = new RecordingInputStream(inStream);
if (!_operatorCodec.ShouldDecodeType)
return _operatorCodec.DecodeValue(null, null, this);
if (_operatorCodec.DecodeNewValueNeedsPrevious)
{
dict = context.GetDictionary(Dictionary);
priorValue = context.Lookup(dict, decodeTemplate, key);
ValidateDictionaryTypeAgainstFieldType(priorValue, _fastType);
}
ScalarValue decodedValue = _typeCodec.Decode(inStream);
value = _operatorCodec.DecodeValue(decodedValue, priorValue, this);
if (context.TraceEnabled)
context.DecodeTrace.Field(this, value, decodedValue,
((RecordingInputStream) inStream).Buffer, pmapIndex);
}
else
{
if (_operatorCodec.DecodeEmptyValueNeedsPrevious)
{
dict = context.GetDictionary(Dictionary);
priorValue = context.Lookup(dict, decodeTemplate, key);
ValidateDictionaryTypeAgainstFieldType(priorValue, _fastType);
}
value = _operatorCodec.DecodeEmptyValue(priorValue, this);
}
ValidateDecodedValueIsCorrectForType(value, _fastType);
#warning TODO: Review if this previous "if" statement is needed.
// if (Operator != Template.Operator.Operator.DELTA || value != null)
if (value != null &&
(_operatorCodec.DecodeNewValueNeedsPrevious || _operatorCodec.DecodeEmptyValueNeedsPrevious))
{
context.Store(dict ?? context.GetDictionary(Dictionary), decodeTemplate, key, value);
}
return value;
}
catch (DynErrorException e)
{
throw new DynErrorException(e, e.Error, "Error occurred while decoding {0}", this);
}
}
private static Group Instrument()
{
if (_instrument == null)
{
_instrument = new Group("Instrmt",
new Field[] {
new Scalar("Symbol", FASTType.ASCII, Operator.COPY, ScalarValue.UNDEFINED, false),
new Scalar("MMY", FASTType.ASCII, Operator.DELTA, ScalarValue.UNDEFINED, false),
}, false);
}
return _instrument;
}
public override byte[] Encode(IFieldValue fieldValue, Group encodeTemplate, Context context,
BitVectorBuilder presenceMapBuilder)
{
IDictionary dict = context.GetDictionary(Dictionary);
ScalarValue priorValue = context.Lookup(dict, encodeTemplate, Key);
var value = (ScalarValue) fieldValue;
if (!_operatorCodec.CanEncode(value, this))
{
Global.ErrorHandler.OnError(null, DynError.CantEncodeValue,
"The scalar {0} cannot encode the value {1}", this, value);
}
ScalarValue valueToEncode = _operatorCodec.GetValueToEncode(value, priorValue, this,
presenceMapBuilder);
if (_operator.ShouldStoreValue(value))
{
context.Store(dict, encodeTemplate, Key, value);
}
if (valueToEncode == null)
{
return ByteUtil.EmptyByteArray;
}
byte[] encoding = _typeCodec.Encode(valueToEncode);
if (context.TraceEnabled && encoding.Length > 0)
{
context.EncodeTrace.Field(this, fieldValue, valueToEncode, encoding, presenceMapBuilder.Index);
}
return encoding;
}
public void GroupStart(Group group)
{
Print(group);
MoveDown();
}
public override byte[] Encode(FieldValue value_Renamed, Group encodeTemplate, Context context, BitVectorBuilder presenceMapBuilder)
{
if (HasTypeReference())
context.CurrentApplicationType = TypeReference;
if (value_Renamed == null)
{
return length.Encode(null, encodeTemplate, context, presenceMapBuilder);
}
var buffer = new System.IO.MemoryStream();
var val = (SequenceValue) value_Renamed;
int len = val.Length;
try
{
var temp_byteArray = length.Encode(new IntegerValue(len), encodeTemplate, context, presenceMapBuilder);
buffer.Write(temp_byteArray, 0, temp_byteArray.Length);
System.Collections.IEnumerator iter = val.Iterator();
while (iter.MoveNext())
{
var temp_byteArray2 = group.Encode((FieldValue) iter.Current, encodeTemplate, context);
buffer.Write(temp_byteArray2, 0, temp_byteArray2.Length);
}
}
catch (System.IO.IOException e)
{
Global.HandleError(Error.FastConstants.IO_ERROR, "An IO error occurred while encoding " + this, e);
}
return buffer.ToArray();
}
public override byte[] Encode(FieldValue value_Renamed, Group encodeTemplate, Context context, BitVectorBuilder presenceMapBuilder)
{
var message = (Message) value_Renamed;
return message.Template.Encode(message, context);
}
public override byte[] Encode(FieldValue fieldValue, Group encodeTemplate, Context context, BitVectorBuilder presenceMapBuilder)
{
var priorValue = context.Lookup(Dictionary, encodeTemplate, Key);
var value_Renamed = (ScalarValue) fieldValue;
if (!operatorCodec.CanEncode(value_Renamed, this))
{
Global.HandleError(Error.FastConstants.D3_CANT_ENCODE_VALUE, "The scalar " + this + " cannot encode the value " + value_Renamed);
}
var valueToEncode = operatorCodec.GetValueToEncode(value_Renamed, priorValue, this, presenceMapBuilder);
if (operator_Renamed.ShouldStoreValue(value_Renamed))
{
context.Store(Dictionary, encodeTemplate, Key, value_Renamed);
}
if (valueToEncode == null)
{
return new byte[0];
}
byte[] encoding = typeCodec.Encode(valueToEncode);
if (context.TraceEnabled && encoding.Length > 0)
{
context.GetEncodeTrace().Field(this, fieldValue, valueToEncode, encoding, presenceMapBuilder.Index);
}
return encoding;
}
public GroupValue(Group group)
: this(group, new IFieldValue[group.FieldCount])
{
}
