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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Concepts.h>
#include <AK/StdLibExtras.h>
#include <LibCore/SharedCircularQueue.h>
#include <LibIPC/Forward.h>
#include <LibIPC/Message.h>
namespace IPC {
template<typename T>
bool encode(Encoder&, T&)
{
static_assert(DependentFalse<T>, "Base IPC::encode() was instantiated");
VERIFY_NOT_REACHED();
}
class Encoder {
public:
explicit Encoder(MessageBuffer& buffer)
: m_buffer(buffer)
{
}
Encoder& operator<<(bool);
Encoder& operator<<(u8);
Encoder& operator<<(u16);
Encoder& operator<<(unsigned);
Encoder& operator<<(unsigned long);
Encoder& operator<<(unsigned long long);
Encoder& operator<<(i8);
Encoder& operator<<(i16);
Encoder& operator<<(i32);
Encoder& operator<<(i64);
Encoder& operator<<(float);
Encoder& operator<<(double);
Encoder& operator<<(char const*);
Encoder& operator<<(StringView);
Encoder& operator<<(String const&);
Encoder& operator<<(ByteBuffer const&);
Encoder& operator<<(URL const&);
Encoder& operator<<(Dictionary const&);
Encoder& operator<<(File const&);
template<typename K, typename V>
Encoder& operator<<(HashMap<K, V> const& hashmap)
{
*this << (u32)hashmap.size();
for (auto it : hashmap) {
*this << it.key;
*this << it.value;
}
return *this;
}
template<typename K, typename V>
Encoder& operator<<(OrderedHashMap<K, V> const& hashmap)
{
*this << (u32)hashmap.size();
for (auto it : hashmap) {
*this << it.key;
*this << it.value;
}
return *this;
}
template<typename T>
Encoder& operator<<(Vector<T> const& vector)
{
*this << (u64)vector.size();
for (auto& value : vector)
*this << value;
return *this;
}
template<typename T, size_t Size>
Encoder& operator<<(Core::SharedSingleProducerCircularQueue<T, Size> const& queue)
{
*this << IPC::File(queue.fd());
return *this;
}
template<Enum T>
Encoder& operator<<(T const& enum_value)
{
*this << AK::to_underlying(enum_value);
return *this;
}
template<typename T>
Encoder& operator<<(T const& value)
{
encode(value);
return *this;
}
template<typename T>
Encoder& operator<<(Optional<T> const& optional)
{
*this << optional.has_value();
if (optional.has_value())
*this << optional.value();
return *this;
}
template<typename T>
void encode(T const& value)
{
IPC::encode(*this, value);
}
private:
void encode_u32(u32);
void encode_u64(u64);
MessageBuffer& m_buffer;
};
}
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