void
FieldInstructionSequence::decodeNop(
Codecs::DataSource & source,
Codecs::PresenceMap & pmap,
Codecs::Decoder & decoder,
Messages::ValueMessageBuilder & builder) const
{
if(!segment_)
{
decoder.reportFatal("[ERR U07]", "SegmentBody not defined for Sequence instruction.");
}
size_t length = 0;
Codecs::FieldInstructionCPtr lengthInstruction;
Messages::SingleValueBuilder<uint32> lengthSet;
if(segment_->getLengthInstruction(lengthInstruction))
{
source.beginField(lengthInstruction->getIdentity()->name());
lengthInstruction->decode(source, pmap, decoder, lengthSet);
}
else
{
FieldInstructionUInt32 defaultLengthInstruction;
defaultLengthInstruction.setPresence(isMandatory());
defaultLengthInstruction.decode(source, pmap, decoder, lengthSet);
}
if(lengthSet.isSet())
{
length = lengthSet.value();
Messages::ValueMessageBuilder & sequenceBuilder = builder.startSequence(
identity_,
segment_->getApplicationType(),
segment_->getApplicationTypeNamespace(),
segment_->fieldCount(),
lengthSet.identity(),
length);
for(size_t nEntry = 0; nEntry < length; ++nEntry)
{
if(decoder.getLogOut())
{
std::stringstream msg;
msg << "Sequence entry #" << nEntry << " of " << length << std::ends;
decoder.logMessage(msg.str());
}
Messages::ValueMessageBuilder & entrySet(
sequenceBuilder.startSequenceEntry(
segment_->getApplicationType(),
segment_->getApplicationTypeNamespace(),
segment_->fieldCount()));
decoder.decodeGroup(source, segment_, entrySet);
sequenceBuilder.endSequenceEntry(entrySet);
}
builder.endSequence(identity_, sequenceBuilder);
}
}
void
Decoder::decodeNestedTemplate(
DataSource & source,
Messages::ValueMessageBuilder & messageBuilder,
Messages::FieldIdentityCPtr & identity)
{
Codecs::PresenceMap pmap(getTemplateRegistry()->presenceMapBits());
if(this->verboseOut_)
{
pmap.setVerbose(verboseOut_);
}
static const std::string pmp("PMAP");
source.beginField(pmp);
pmap.decode(source);
static const std::string tid("templateID");
source.beginField(tid);
if(pmap.checkNextField())
{
template_id_t id;
FieldInstruction::decodeUnsignedInteger(source, *this, id, tid);
setTemplateId(id);
}
if(verboseOut_)
{
(*verboseOut_) << "Nested Template ID: " << getTemplateId() << std::endl;
}
Codecs::TemplateCPtr templatePtr;
if(getTemplateRegistry()->getTemplate(getTemplateId(), templatePtr))
{
if(templatePtr->getReset())
{
reset(false);
}
Messages::ValueMessageBuilder & groupBuilder(
messageBuilder.startGroup(
identity,
templatePtr->getApplicationType(),
templatePtr->getApplicationTypeNamespace(),
templatePtr->fieldCount()));
decodeSegmentBody(source, pmap, templatePtr, groupBuilder);
messageBuilder.endGroup(identity, groupBuilder);
}
else
{
std::string error = "Unknown template ID:";
error += boost::lexical_cast<std::string>(getTemplateId());
reportError("[ERR D9]", error);
}
return;
}
void
FieldInstructionDecimal::decodeNop(
Codecs::DataSource & source,
Codecs::PresenceMap & pmap,
Codecs::Decoder & decoder,
Messages::ValueMessageBuilder & accessor) const
{
PROFILE_POINT("decimal::decodeNop");
if(bool(exponentInstruction_))
{
Messages::SingleValueBuilder<int32> exponentBuilder;
exponentInstruction_->decode(source, pmap, decoder, exponentBuilder);
if(!exponentBuilder.isSet())
{
// null field
return;
}
exponent_t exponent = static_cast<exponent_t>(exponentBuilder.value());
Messages::SingleValueBuilder<mantissa_t> mantissaBuilder;
mantissaInstruction_->decode(source, pmap, decoder, mantissaBuilder);
mantissa_t mantissa = 0;
if(mantissaBuilder.isSet())
{
mantissa = mantissaBuilder.value();
}
Decimal value(mantissa, exponent, false);
accessor.addValue(identity_, ValueType::DECIMAL, value);
}
else
{
exponent_t exponent = 0;
decodeSignedInteger(source, decoder, exponent, identity_->name());
if(!isMandatory())
{
if(checkNullInteger(exponent))
{
return;
}
}
mantissa_t mantissa;
decodeSignedInteger(source, decoder, mantissa, identity_->name());
Decimal value(mantissa, exponent);
accessor.addValue(
identity_,
ValueType::DECIMAL,
value);
}
return;
}
void
FieldInstructionGroup::decodeNop(
Codecs::DataSource & source,
Codecs::PresenceMap & pmap,
Codecs::Decoder & decoder,
Messages::ValueMessageBuilder & messageBuilder) const
{
bool present = true;
if(! isMandatory())
{
present = pmap.checkNextField();
}
if(present)
{
if(!segmentBody_)
{
decoder.reportFatal("[ERR U08}", "Segment not defined for Group instruction.");
}
if(messageBuilder.getApplicationType() != segmentBody_->getApplicationType())
{
// std::cout << "Decoding group into new segment: " << segmentBody_->getApplicationType() << std::endl;
Messages::ValueMessageBuilder & groupBuilder(
messageBuilder.startGroup(
identity_,
segmentBody_->getApplicationType(),
segmentBody_->getApplicationTypeNamespace(),
segmentBody_->fieldCount()));
decoder.decodeGroup(source, segmentBody_, groupBuilder);
messageBuilder.endGroup(
identity_,
groupBuilder);
}
else
{
// std::cout << "Folding group into parent segment: " << segmentBody_->getApplicationType() << std::endl;
// Because the application types match,
// the group fields are decoded directly into to the current
// field set. As a result the group "disappears" completely
// from the application message. This is a good thing. Groups
// are an artifact of the template used to encode the message
// rather than being an attribute of the actual message being
// encoded. In fact, the same message encoded with different
// templates could be transmitted with different sets of fields
// in groups.
decoder.decodeGroup(source, segmentBody_, messageBuilder);
}
}
}
void
FieldInstructionDecimal::decodeDelta(
Codecs::DataSource & source,
Codecs::PresenceMap & /*pmap*/,
Codecs::Decoder & decoder,
Messages::ValueMessageBuilder & accessor) const
{
PROFILE_POINT("decimal::decodeDelta");
int64 exponentDelta;
decodeSignedInteger(source, decoder, exponentDelta, identity_->name(), true);
if(!isMandatory())
{
if(checkNullInteger(exponentDelta))
{
// nothing in Message; no change to saved value
return;
}
}
int64 mantissaDelta;
decodeSignedInteger(source, decoder, mantissaDelta, identity_->name(), true);
Decimal value(typedValue_);
(void)fieldOp_->getDictionaryValue(decoder, value);
value.setExponent(exponent_t(value.getExponent() + exponentDelta));
value.setMantissa(mantissa_t(value.getMantissa() + mantissaDelta));
accessor.addValue(
identity_,
ValueType::DECIMAL,
value);
fieldOp_->setDictionaryValue(decoder, value);
}
void
FieldInstructionDecimal::decodeDefault(
Codecs::DataSource & source,
Codecs::PresenceMap & pmap,
Codecs::Decoder & decoder,
Messages::ValueMessageBuilder & accessor) const
{
PROFILE_POINT("decimal::decodeDefault");
if(pmap.checkNextField())
{
exponent_t exponent = 0;
decodeSignedInteger(source, decoder, exponent, identity_->name());
if(!isMandatory())
{
if(checkNullInteger(exponent))
{
return;
}
}
mantissa_t mantissa;
decodeSignedInteger(source, decoder, mantissa, identity_->name());
Decimal value(mantissa, exponent);
accessor.addValue(
identity_,
ValueType::DECIMAL,
value);
}
else // field not in stream
{
if(typedValueIsDefined_)
{
accessor.addValue(
identity_,
ValueType::DECIMAL,
typedValue_);
}
else if(isMandatory())
{
decoder.reportFatal("[ERR D5]", "Mandatory default operator with no value.", *identity_);
}
}
}
void
FieldInstructionStaticTemplateRef::decodeNop(
Codecs::DataSource & source,
Codecs::PresenceMap & pmap,
Codecs::Decoder & decoder,
Messages::ValueMessageBuilder & messageBuilder) const
{
TemplateCPtr target;
if(!decoder.findTemplate(templateName_, templateNamespace_, target))
{
decoder.reportFatal("[ERR D9]", "Unknown template name for static templateref.", *identity_);
}
if(messageBuilder.getApplicationType() != target->getApplicationType())
{
Messages::ValueMessageBuilder & groupBuilder(
messageBuilder.startGroup(
identity_,
target->getApplicationType(),
target->getApplicationTypeNamespace(),
target->fieldCount()));
decoder.decodeSegmentBody(source, pmap, target, groupBuilder);
messageBuilder.endGroup(
identity_,
groupBuilder);
}
else
{
// Because the application types match,
// the templateRef fields are decoded directly into to the current
// field set. As a result the templateRef "disappears" completely
// from the application message. This is a good thing.
// The same message encoded with different
// templates could be transmitted with different sets of fields defined
// by templateRefs, but the underlying application type should not reflect
// the technique used to encode/decode it.
decoder.decodeSegmentBody(source, pmap, target, messageBuilder);
}
}
void
FieldInstructionDecimal::decodeConstant(
Codecs::DataSource & /*source*/,
Codecs::PresenceMap & pmap,
Codecs::Decoder & /*decoder*/,
Messages::ValueMessageBuilder & accessor) const
{
PROFILE_POINT("decimal::decodeConstant");
if(isMandatory() || pmap.checkNextField())
{
accessor.addValue(
identity_,
ValueType::DECIMAL,
typedValue_);
}
}
void
FieldInstructionDecimal::decodeCopy(
Codecs::DataSource & source,
Codecs::PresenceMap & pmap,
Codecs::Decoder & decoder,
Messages::ValueMessageBuilder & accessor) const
{
PROFILE_POINT("decimal::decodeCopy");
exponent_t exponent = 0;
mantissa_t mantissa = 0;
if(pmap.checkNextField())
{
decodeSignedInteger(source, decoder, exponent, identity_->name());
if(isMandatory())
{
decodeSignedInteger(source, decoder, mantissa, identity_->name());
Decimal value(mantissa, exponent, false);
accessor.addValue(
identity_,
ValueType::DECIMAL,
value);
fieldOp_->setDictionaryValue(decoder, value);
}
else
{
// not mandatory means it's nullable
if(checkNullInteger(exponent))
{
fieldOp_->setDictionaryValueNull(decoder);
}
else
{
decodeSignedInteger(source, decoder, mantissa, identity_->name());
Decimal value(mantissa, exponent, false);
accessor.addValue(
identity_,
ValueType::DECIMAL,
value);
fieldOp_->setDictionaryValue(decoder, value);
}
}
}
else // pmap says not present, use copy
{
Decimal value(0,0);
Context::DictionaryStatus previousStatus = fieldOp_->getDictionaryValue(decoder, value);
if(previousStatus == Context::UNDEFINED_VALUE)
{
// value not found in dictionary
// not a problem.. use initial value if it's available
if(fieldOp_->hasValue())
{
accessor.addValue(
identity_,
ValueType::DECIMAL,
typedValue_);
fieldOp_->setDictionaryValue(decoder, typedValue_);
}
else
{
if(isMandatory())
{
decoder.reportFatal("[ERR D5]", "Copy operator missing mandatory Decimal field/no initial value", *identity_);
}
}
}
else if(previousStatus == Context::OK_VALUE)
{
accessor.addValue(
identity_,
ValueType::DECIMAL,
value);
}
//else previous was null so don't put anything in the record
}
}
