| // 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 |
| } |