weex_core/Source/IPC/IPCArguments.h

/*
 * Copyright (C) 2008 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.
 */

/*
 * Implementation of the user-space ashmem API for devices, which have our
 * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
 * used by the simulator.
 */

#ifndef IPCARGUMENTS_H
#define IPCARGUMENTS_H
#include "IPCType.h"

struct IPCString;
struct IPCByteArray;
class IPCArguments {
public:
    virtual ~IPCArguments() = default;
    template <typename T>
    T get(int index)
    {
        return *static_cast<const T*>(getData(index));
    }

    const IPCString* getString(int index)
    {
        return static_cast<const IPCString*>(getData(index));
    }

    const IPCByteArray* getByteArray(int index)
    {
        return static_cast<const IPCByteArray*>(getData(index));
    }

    virtual const void* getData(int index) = 0;
    virtual IPCType getType(int index) = 0;
    virtual size_t getCount() = 0;
};
#endif /* IPCARGUMENTS_H */