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package segment
import "fmt"
type VersionedSegment struct {
ID string
Version int
}
func (v VersionedSegment) String() string {
return fmt.Sprintf("%s:%d", v.ID, v.Version)
}
type SegmentIndex struct {
segmentMap map[VersionedSegment]func() Segment
}
func (s SegmentIndex) UnmarshalerForSegment(segmentId VersionedSegment) (Unmarshaler, error) {
segmentFn, ok := s.segmentMap[segmentId]
if ok {
unmarshaler, ok := segmentFn().(Unmarshaler)
if ok {
return unmarshaler, nil
} else {
return nil, fmt.Errorf("Segment does not implement the Unmarshaler interface")
}
} else {
return nil, fmt.Errorf("Segment not in index: %q", segmentId)
}
}
func (s SegmentIndex) IsIndexed(segmentId VersionedSegment) bool {
_, ok := s.segmentMap[segmentId]
return ok
}
func (s SegmentIndex) IsUnmarshaler(segmentId VersionedSegment) bool {
segmentFn, ok := s.segmentMap[segmentId]
if ok {
_, ok := segmentFn().(Unmarshaler)
return ok
} else {
return false
}
}
func (s *SegmentIndex) addToIndex(segmentIdentifier VersionedSegment, segmentProviderFn func() Segment) error {
if s.IsIndexed(segmentIdentifier) {
return fmt.Errorf("Segment already in index: %s", segmentIdentifier)
}
s.segmentMap[segmentIdentifier] = segmentProviderFn
return nil
}
func (s *SegmentIndex) mustAddToIndex(segmentIdentifier VersionedSegment, segmentProviderFn func() Segment) {
err := s.addToIndex(segmentIdentifier, segmentProviderFn)
if err != nil {
panic(err)
}
}
var KnownSegments = SegmentIndex{segmentMap: make(map[VersionedSegment]func() Segment)}
func init() {
KnownSegments.mustAddToIndex(VersionedSegment{MessageHeaderID, 3}, func() Segment { return &MessageHeaderSegment{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HNHBS", 1}, func() Segment { return &MessageEndSegment{} })
KnownSegments.mustAddToIndex(VersionedSegment{EncryptionHeaderSegmentID, 2}, func() Segment { return &EncryptionHeaderV2{} })
KnownSegments.mustAddToIndex(VersionedSegment{EncryptionHeaderSegmentID, 3}, func() Segment { return &EncryptionHeaderSegmentV3{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HNVSD", 1}, func() Segment { return &EncryptedDataSegment{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIRMG", 2}, func() Segment { return &MessageAcknowledgement{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIRMS", 2}, func() Segment { return &SegmentAcknowledgement{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HISYN", 3}, func() Segment { return &SynchronisationResponseSegmentV3{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HISYN", 4}, func() Segment { return &SynchronisationResponseSegmentV4{} })
KnownSegments.mustAddToIndex(VersionedSegment{BankAnnouncementID, 2}, func() Segment { return &BankAnnouncementSegment{} })
KnownSegments.mustAddToIndex(VersionedSegment{CommonBankParameterID, 2}, func() Segment { return &CommonBankParameterV2{} })
KnownSegments.mustAddToIndex(VersionedSegment{CommonBankParameterID, 3}, func() Segment { return &CommonBankParameterV3{} })
KnownSegments.mustAddToIndex(VersionedSegment{PinTanBusinessTransactionParamsID, 1}, func() Segment { return &PinTanBusinessTransactionParamsSegment{} })
KnownSegments.mustAddToIndex(VersionedSegment{PinTanBankParameterID, 1}, func() Segment { return &PinTanBankParameterV1{} })
KnownSegments.mustAddToIndex(VersionedSegment{CommonUserParameterDataID, 2}, func() Segment { return &CommonUserParameterDataV2{} })
KnownSegments.mustAddToIndex(VersionedSegment{CommonUserParameterDataID, 3}, func() Segment { return &CommonUserParameterDataV3{} })
KnownSegments.mustAddToIndex(VersionedSegment{CommonUserParameterDataID, 4}, func() Segment { return &CommonUserParameterDataV4{} })
KnownSegments.mustAddToIndex(VersionedSegment{AccountInformationID, 4}, func() Segment { return &AccountInformationV4{} })
KnownSegments.mustAddToIndex(VersionedSegment{AccountInformationID, 5}, func() Segment { return &AccountInformationV5{} })
KnownSegments.mustAddToIndex(VersionedSegment{AccountInformationID, 6}, func() Segment { return &AccountInformationV6{} })
KnownSegments.mustAddToIndex(VersionedSegment{AccountInformationID, 7}, func() Segment { return &AccountInformationV7{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HISAL", 5}, func() Segment { return &AccountBalanceResponseSegment{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIKIF", 1}, func() Segment { return &AccountInformationResponseSegment{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIKAZ", 5}, func() Segment { return &AccountTransactionResponseSegmentV5{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIKAZ", 6}, func() Segment { return &AccountTransactionResponseSegmentV6{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIKAZ", 7}, func() Segment { return &AccountTransactionResponseSegmentV7{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIPRO", 3}, func() Segment { return &StatusProtocolResponseSegmentV3{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HIPRO", 4}, func() Segment { return &StatusProtocolResponseSegmentV4{} })
KnownSegments.mustAddToIndex(VersionedSegment{TanBankParameterID, 6}, func() Segment { return &TanBankParameterV6{} })
KnownSegments.mustAddToIndex(VersionedSegment{"HITAN", 6}, func() Segment { return &TanResponseSegmentV6{} })
}
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