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// Copyright (C) 2014 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package binary
// Decoder extends Reader with additional methods for decoding objects.
type Decoder interface {
Reader
// ID decodes a binary.ID from the stream.
ID() (ID, error)
// SkipID skips over a binary.ID in the stream.
SkipID() error
// Value decodes an Object from the stream.
Value(Object) error
// SkipValue must skip the same data that a call to Value would read.
// The value may be a typed nil.
SkipValue(Object) error
// Variant decodes and returns an Object from the stream. The Class in the
// stream must have been previously registered with binary.registry.Add.
Variant() (Object, error)
// SkipVariant must skip the same data that a call to Variant would read.
SkipVariant() (ID, error)
// Object decodes and returns an Object from the stream. Object instances
// that were encoded multiple times may be decoded and returned as a shared,
// single instance. The Class in the stream must have been previously
// registered with binary.registry.Add.
Object() (Object, error)
// SkipObject must skip the same data that a call to Object would read.
SkipObject() (ID, error)
// Lookup the class that would be used to encode an id in this encoder.
Lookup(ID) Class
}
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