Remove Utility module and move its content to Core and TextRenderer modules
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Jérôme Leclercq
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965a00182c
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e64c2b036e
184
include/Nazara/Core/Serialization.inl
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184
include/Nazara/Core/Serialization.inl
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// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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/*!
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* \brief Reset the current read bit cursor
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*/
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inline void SerializationContext::ResetReadBitPosition()
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{
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readBitPos = 8;
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}
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/*!
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* \brief Reset the current read bit cursor
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* \remark This function only reset the cursor position, it doesn't do any writing
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if you wish to write all bits and reset bit position, call FlushBits
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\see FlushBits
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*/
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inline void SerializationContext::ResetWriteBitPosition()
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{
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writeBitPos = 8;
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}
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template<typename T>
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bool Serialize(SerializationContext& context, T&& value)
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{
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return Serialize(context, std::forward<T>(value), TypeTag<std::decay_t<T>>());
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}
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/*!
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* \ingroup core
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* \brief Serializes a boolean
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* \return true if serialization succeeded
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*
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* \param context Context for the serialization
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* \param value Boolean to serialize
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*
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* \see Serialize, Unserialize
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*/
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inline bool Serialize(SerializationContext& context, bool value, TypeTag<bool>)
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{
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if (context.writeBitPos == 8)
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{
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context.writeBitPos = 0;
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context.writeByte = 0;
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}
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if (value)
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context.writeByte |= 1 << context.writeBitPos;
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if (++context.writeBitPos >= 8)
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return Serialize(context, context.writeByte, TypeTag<UInt8>());
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else
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return true;
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}
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/*!
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* \ingroup core
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* \brief Serializes a std::string
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* \return true if successful
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*
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* \param context Context for the serialization
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* \param value String to serialize
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*/
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bool Serialize(SerializationContext& context, const std::string& value, TypeTag<std::string>)
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{
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if (!Serialize(context, SafeCast<UInt32>(value.size()), TypeTag<UInt32>()))
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return false;
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return context.stream->Write(value.data(), value.size()) == value.size();
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}
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/*!
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* \ingroup core
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* \brief Serializes an arithmetic type
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* \return true if serialization succeeded
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*
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* \param context Context for the serialization
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* \param value Arithmetic type to serialize
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*
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* \see Serialize, Unserialize
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*/
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template<typename T>
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std::enable_if_t<std::is_arithmetic<T>::value, bool> Serialize(SerializationContext& context, T value, TypeTag<T>)
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{
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// Flush bits in case a writing is in progress
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context.FlushBits();
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if (context.endianness != Endianness::Unknown && context.endianness != PlatformEndianness)
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value = ByteSwap(value);
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return context.stream->Write(&value, sizeof(T)) == sizeof(T);
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}
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template<typename T>
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bool Unserialize(SerializationContext& context, T* value)
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{
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return Unserialize(context, value, TypeTag<T>());
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}
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/*!
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* \ingroup core
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* \brief Unserializes a boolean
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* \return true if unserialization succedeed
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*
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* \param context Context for the unserialization
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* \param value Pointer to boolean to unserialize
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*
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* \see Serialize, Unserialize
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*/
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inline bool Unserialize(SerializationContext& context, bool* value, TypeTag<bool>)
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{
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if (context.readBitPos == 8)
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{
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if (!Unserialize(context, &context.readByte, TypeTag<UInt8>()))
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return false;
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context.readBitPos = 0;
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}
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if (value)
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*value = (context.readByte & (1 << context.readBitPos)) != 0;
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context.readBitPos++;
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return true;
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}
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/*!
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* \brief Unserializes a string
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* \return true if successful
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*
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* \param context Context of unserialization
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* \param string std::string to unserialize
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*/
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bool Unserialize(SerializationContext& context, std::string* string, TypeTag<std::string>)
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{
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UInt32 size;
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if (!Unserialize(context, &size, TypeTag<UInt32>()))
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return false;
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string->resize(size);
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return context.stream->Read(&(*string)[0], size) == size;
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}
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/*!
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* \ingroup core
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* \brief Unserializes an arithmetic type
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* \return true if unserialization succedeed
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*
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* \param context Context for the unserialization
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* \param value Pointer to arithmetic type to serialize
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*
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* \remark Produce a NazaraAssert if pointer to value is invalid
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*
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* \see Serialize, Unserialize
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*/
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template<typename T>
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std::enable_if_t<std::is_arithmetic<T>::value, bool> Unserialize(SerializationContext& context, T* value, TypeTag<T>)
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{
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NazaraAssert(value, "Invalid data pointer");
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context.ResetReadBitPosition();
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if (context.stream->Read(value, sizeof(T)) == sizeof(T))
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{
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if (context.endianness != Endianness::Unknown && context.endianness != PlatformEndianness)
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*value = ByteSwap(*value);
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return true;
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}
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else
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return false;
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}
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}
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#include <Nazara/Core/DebugOff.hpp>
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