Exemple #1
0
        protected virtual DecodedObject <object> decodeSet(DecodedObject <object> decodedTag, System.Type objectClass, ElementInfo elementInfo, int len, System.IO.Stream stream)
        {
            object sequence = createInstanceForElement(objectClass, elementInfo);

            initDefaultValues(sequence);
            DecodedObject <object> fieldTag = null;
            int sizeOfSequence = 0;
            int maxSeqLen      = elementInfo.MaxAvailableLen;

            if (maxSeqLen == -1 || maxSeqLen > 0)
            {
                fieldTag = decodeTag(stream);
                if (fieldTag != null)
                {
                    sizeOfSequence += fieldTag.Size;
                }
            }
            PropertyInfo[] fields =
                elementInfo.getProperties(objectClass);

            bool fieldEncoded = false;

            do
            {
                for (int i = 0; i < fields.Length; i++)
                {
                    PropertyInfo           field = fields[i];
                    DecodedObject <object> obj   = decodeSequenceField(
                        fieldTag, sequence, i, field, stream, elementInfo, false
                        );
                    if (obj != null)
                    {
                        fieldEncoded    = true;
                        sizeOfSequence += obj.Size;

                        bool isAny = false;
                        if (i + 1 == fields.Length - 1)
                        {
                            ElementInfo info = new ElementInfo();
                            info.AnnotatedClass  = (fields[i + 1]);
                            info.MaxAvailableLen = (elementInfo.MaxAvailableLen);
                            if (elementInfo.hasPreparedInfo())
                            {
                                info.PreparedInfo = (elementInfo.PreparedInfo.getPropertyMetadata(i + 1));
                            }
                            else
                            {
                                info.ASN1ElementInfo = CoderUtils.getAttribute <ASN1Element>(fields[i + 1]);
                            }
                            isAny = CoderUtils.isAnyField(fields[i + 1], info);
                        }

                        if (maxSeqLen != -1)
                        {
                            elementInfo.MaxAvailableLen = (maxSeqLen - sizeOfSequence);
                        }

                        if (!isAny)
                        {
                            if (i < fields.Length - 1)
                            {
                                if (maxSeqLen == -1 || elementInfo.MaxAvailableLen > 0)
                                {
                                    fieldTag = decodeTag(stream);
                                    if (fieldTag != null)
                                    {
                                        sizeOfSequence += fieldTag.Size;
                                    }
                                    else
                                    {
                                        break;
                                    }
                                }
                                else
                                {
                                    fieldTag = null;
                                }
                            }
                            else
                            {
                                break;
                            }
                        }
                    }
                    ;
                }
            }while (sizeOfSequence < len && fieldEncoded);
            return(new DecodedObject <object>(sequence, sizeOfSequence));
        }