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2fc0a71a47
Move scalar into own package. Split scalar code into decode related scalar code (that reads etc) and scalar code that just transform the scalar value. Use a scalar.Mapper interface instead of just a function. Make mappers, assert and validat impement the interface.
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
package protobuf
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// TODO: move? make collection on known protobuf messages?
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import (
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"github.com/wader/fq/format"
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"github.com/wader/fq/format/registry"
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"github.com/wader/fq/pkg/decode"
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"github.com/wader/fq/pkg/scalar"
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)
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var widevineProtoBufFormat decode.Group
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func init() {
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registry.MustRegister(decode.Format{
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Name: format.PROTOBUF_WIDEVINE,
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Description: "Widevine protobuf",
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DecodeFn: widevineDecode,
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Dependencies: []decode.Dependency{
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{Names: []string{format.PROTOBUF}, Group: &widevineProtoBufFormat},
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},
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})
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}
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func widevineDecode(d *decode.D, in interface{}) interface{} {
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widewinePb := format.ProtoBufMessage{
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1: {Type: format.ProtoBufTypeEnum, Name: "algorithm", Enums: scalar.UToSymStr{
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0: "UNENCRYPTED",
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1: "AESCTR",
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}},
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2: {Type: format.ProtoBufTypeBytes, Name: "key_id"},
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3: {Type: format.ProtoBufTypeString, Name: "provider"},
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4: {Type: format.ProtoBufTypeBytes, Name: "content_id"},
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6: {Type: format.ProtoBufTypeString, Name: "policy"},
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7: {Type: format.ProtoBufTypeUInt32, Name: "crypto_period_index"},
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8: {Type: format.ProtoBufTypeBytes, Name: "grouped_license"},
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9: {Type: format.ProtoBufTypeUInt32, Name: "protection_scheme", Enums: scalar.UToSymStr{
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1667591779: "cenc",
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1667392305: "cbc1",
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1667591795: "cens",
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1667392371: "cbcs",
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}},
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}
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d.Format(widevineProtoBufFormat, format.ProtoBufIn{Message: widewinePb})
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return nil
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}
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