예제 #1
0
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::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::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
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
  }
}