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https://github.com/RGBCube/serenity
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LibIPC+LibGfx: Templatize IPC encoding as well as decoding
Now most classes dictate how they are serialized and deserialized when transmitted across LibIPC sockets. This also makes the IPC compiler a bit simpler. :^)
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parent
cba4880301
commit
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10 changed files with 83 additions and 45 deletions
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@ -136,4 +136,13 @@ bool Decoder::decode(Dictionary& dictionary)
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return true;
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}
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void dongle() {
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ByteBuffer buffer;
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BufferStream stream(buffer);
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Decoder d(stream);
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Vector<String> x;
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d.decode(x);
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}
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}
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@ -26,15 +26,19 @@
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#pragma once
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#include <AK/BufferStream.h>
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#include <AK/Forward.h>
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#include <AK/NumericLimits.h>
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#include <AK/String.h>
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#include <LibIPC/Forward.h>
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#include <LibIPC/Message.h>
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namespace IPC {
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template<typename T>
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bool decode(BufferStream&, T&)
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inline bool decode(Decoder&, T&)
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{
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ASSERT_NOT_REACHED();
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return false;
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}
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@ -64,6 +68,21 @@ public:
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return IPC::decode(*this, value);
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}
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template<typename T>
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bool decode(Vector<T>& vector)
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{
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u64 size;
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if (!decode(size) || size > NumericLimits<i32>::max())
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return false;
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for (size_t i = 0; i < size; ++i) {
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T value;
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if (!decode(value))
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return false;
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vector.append(move(value));
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}
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return true;
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}
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private:
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BufferStream& m_stream;
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};
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@ -31,6 +31,13 @@
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namespace IPC {
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template<typename T>
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bool encode(BufferStream&, T&)
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{
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ASSERT_NOT_REACHED();
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return false;
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}
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class Encoder {
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public:
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explicit Encoder(MessageBuffer& buffer)
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@ -53,6 +60,28 @@ public:
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Encoder& operator<<(const String&);
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Encoder& operator<<(const Dictionary&);
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template<typename T>
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Encoder& operator<<(const Vector<T>& vector)
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{
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*this << (u64)vector.size();
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for (auto& value : vector)
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*this << value;
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return *this;
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}
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template<typename T>
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Encoder& operator<<(const T& value)
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{
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encode(value);
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return *this;
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}
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template<typename T>
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void encode(const T& value)
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{
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IPC::encode(*this, value);
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}
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private:
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MessageBuffer& m_buffer;
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};
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