public override DecodedObject <object> decodeSequence(DecodedObject <object> decodedTag, Type objectClass, ElementInfo elementInfo, Stream stream) { BitArrayInputStream bitStream = (BitArrayInputStream)stream; int preambleLen = getSequencePreambleBitLen(objectClass, elementInfo); int preamble = bitStream.readBits(preambleLen); int preambleCurrentBit = 32 - preambleLen; skipAlignedBits(stream); object sequence = createInstanceForElement(objectClass, elementInfo); initDefaultValues(sequence); ElementInfo info = new ElementInfo(); int idx = 0; PropertyInfo[] fields = null; if (!CoderUtils.isSequenceSet(elementInfo) || elementInfo.hasPreparedInfo()) { fields = elementInfo.getProperties(objectClass); } else { SortedList <int, PropertyInfo> fieldOrder = CoderUtils.getSetOrder(sequence.GetType()); fields = new PropertyInfo[fieldOrder.Values.Count]; fieldOrder.Values.CopyTo(fields, 0); } foreach (PropertyInfo field in fields) { if (elementInfo.hasPreparedInfo()) { info.PreparedInfo = elementInfo.PreparedInfo.getPropertyMetadata(idx); } if (CoderUtils.isOptionalField(field, info)) { if ((preamble & (0x80000000 >> preambleCurrentBit)) != 0) { decodeSequenceField(null, sequence, idx, field, stream, elementInfo, true); } preambleCurrentBit++; } else { decodeSequenceField(null, sequence, idx, field, stream, elementInfo, true); } idx++; } return(new DecodedObject <object>(sequence)); /* } * else * return decodeSet(decodedTag, objectClass, elementInfo, stream);*/ }
protected virtual int getSequencePreambleBitLen(Type objectClass, ElementInfo elementInfo) { int preambleLen = 0; ElementInfo info = new ElementInfo(); int fieldIdx = 0; foreach (PropertyInfo field in elementInfo.getProperties(objectClass)) { if (elementInfo.hasPreparedInfo()) { info.PreparedInfo = elementInfo.PreparedInfo.getPropertyMetadata(fieldIdx); } if (CoderUtils.isOptionalField(field, info)) { preambleLen++; } fieldIdx++; } return(preambleLen); }
public virtual int encodeSequencePreamble(object obj, PropertyInfo[] fields, System.IO.Stream stream, ElementInfo elementInfo) { int resultBitSize = 0; ElementInfo info = new ElementInfo(); int fieldIdx = 0; foreach (PropertyInfo field in fields) { if (elementInfo.hasPreparedInfo()) { info.PreparedInfo = elementInfo.PreparedInfo.getPropertyMetadata(fieldIdx); } if (CoderUtils.isOptionalField(field, info)) { object invokeObjResult = invokeGetterMethodForField(field, obj, info); if (invokeObjResult == null) { ((BitArrayOutputStream)stream).writeBit(false); } else if (CoderUtils.isDefaultField(field, info)) { object newSequenceInstance = Activator.CreateInstance(obj.GetType()); CoderUtils.initDefaultValues(newSequenceInstance); object defaultFieldValue = invokeGetterMethodForField(field, newSequenceInstance, info); ((BitArrayOutputStream)stream).writeBit(!CoderUtils.AreEqual(defaultFieldValue, invokeObjResult)); } else { ((BitArrayOutputStream)stream).writeBit(true); } resultBitSize += 1; } fieldIdx++; } doAlign(stream); return((resultBitSize / 8) + (resultBitSize % 8 > 0?1:0)); }
public virtual int encodeSequencePreamble(object obj, PropertyInfo[] fields, Stream stream, ElementInfo elementInfo) { int resultBitSize = 0; ElementInfo info = new ElementInfo(); int fieldIdx = 0; foreach (PropertyInfo field in fields) // obj.GetType().GetProperties() { if (elementInfo.hasPreparedInfo()) { info.PreparedInfo = elementInfo.PreparedInfo.getPropertyMetadata(fieldIdx); } if (CoderUtils.isOptionalField(field, info)) { object invokeObjResult = invokeGetterMethodForField(field, obj, info); ((BitArrayOutputStream)stream).writeBit(invokeObjResult != null); resultBitSize += 1; } fieldIdx++; } doAlign(stream); return((resultBitSize / 8) + (resultBitSize % 8 > 0 ? 1 : 0)); }