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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
112 lines
2.3 KiB
C++
112 lines
2.3 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <AK/NumericLimits.h>
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#include <AK/StdLibExtras.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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inline bool decode(Decoder&, T&)
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{
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static_assert(DependentFalse<T>, "Base IPC::decoder() instantiated");
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VERIFY_NOT_REACHED();
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}
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class Decoder {
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public:
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Decoder(InputMemoryStream& stream, int sockfd)
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: m_stream(stream)
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, m_sockfd(sockfd)
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{
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}
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bool decode(bool&);
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bool decode(u8&);
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bool decode(u16&);
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bool decode(u32&);
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bool decode(u64&);
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bool decode(i8&);
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bool decode(i16&);
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bool decode(i32&);
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bool decode(i64&);
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bool decode(float&);
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bool decode(String&);
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bool decode(ByteBuffer&);
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bool decode(URL&);
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bool decode(Dictionary&);
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bool decode(File&);
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template<typename K, typename V>
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bool decode(HashMap<K, V>& hashmap)
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{
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u32 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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K key;
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if (!decode(key))
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return false;
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V value;
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if (!decode(value))
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return false;
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hashmap.set(move(key), move(value));
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}
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return true;
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}
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template<typename T>
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bool decode(T& value)
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{
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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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template<typename T>
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bool decode(Optional<T>& optional)
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{
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bool has_value;
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if (!decode(has_value))
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return false;
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if (!has_value) {
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optional = {};
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return true;
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}
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T value;
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if (!decode(value))
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return false;
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optional = move(value);
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return true;
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}
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private:
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InputMemoryStream& m_stream;
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int m_sockfd { -1 };
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};
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}
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