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54 lines
1.5 KiB
54 lines
1.5 KiB
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef RASTERMILL_REGISTRY_H
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#define RASTERMILL_REGISTRY_H
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#include "jni.h"
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#include <stdint.h>
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class FrameSequence;
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class Decoder;
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class Stream;
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struct RegistryEntry {
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int requiredHeaderBytes;
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bool (*checkHeader)(void* header, int header_size);
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FrameSequence* (*createFrameSequence)(Stream* stream);
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Decoder* (*createDecoder)(Stream* stream);
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bool (*acceptsBuffer)();
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};
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/**
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* Template class for registering subclasses that can produce instances of themselves given a
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* DataStream pointer.
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*
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* The super class / root constructable type only needs to define a single static construction
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* meathod that creates an instance by iterating through all factory methods.
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*/
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class Registry {
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public:
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Registry(const RegistryEntry& entry);
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static const RegistryEntry* Find(Stream* stream);
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private:
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RegistryEntry mImpl;
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Registry* mNext;
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};
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#endif // RASTERMILL_REGISTRY_H
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