74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Types/String.h"
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#include "Engine/Core/Types/StringView.h"
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// TODO: config RAPIDJSON_SSE42 for rapidjson
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#if defined(__x86_64) || defined(__x86_64__) || defined(__amd64__) || defined(_M_X64) || defined(_M_AMD64)
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//#define RAPIDJSON_SSE42
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#elif defined(__arm64__) || defined(__aarch64__) || defined(_M_ARM64)
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//#define RAPIDJSON_NEON
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#endif
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#define RAPIDJSON_ERROR_CHARTYPE Char
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#define RAPIDJSON_ERROR_STRING(x) TEXT(x)
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#define RAPIDJSON_ASSERT(x) ASSERT(x)
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#define RAPIDJSON_NEW(x) New<x>
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#define RAPIDJSON_DELETE(x) Delete(x)
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#define RAPIDJSON_NOMEMBERITERATORCLASS
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//#define RAPIDJSON_MALLOC(size) ::malloc(size)
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//#define RAPIDJSON_REALLOC(ptr, new_size) ::realloc(ptr, new_size)
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//#define RAPIDJSON_FREE(ptr) ::free(ptr)
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#include <ThirdParty/rapidjson/writer.h>
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#include <ThirdParty/rapidjson/prettywriter.h>
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#include <ThirdParty/rapidjson/document.h>
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namespace rapidjson_flax
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{
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// The memory allocator implementation for rapidjson library that uses default engine Allocator.
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class FlaxAllocator
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{
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public:
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static const bool kNeedFree = true;
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void* Malloc(size_t size)
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{
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// Behavior of malloc(0) is implementation defined so for size=0 return nullptr.
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// By default Flax doesn't use Allocate(0) so it's not important for the engine itself.
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if (size)
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return Allocator::Allocate((uint64)size);
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return nullptr;
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}
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void* Realloc(void* originalPtr, size_t originalSize, size_t newSize)
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{
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return AllocatorExt::Realloc(originalPtr, (uint64)originalSize, (uint64)newSize);
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}
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static void Free(void* ptr)
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{
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Allocator::Free(ptr);
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}
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};
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// String buffer with UTF8 encoding
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typedef rapidjson::GenericStringBuffer<rapidjson::UTF8<>, FlaxAllocator> StringBuffer;
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// GenericDocument with UTF8 encoding
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typedef rapidjson::GenericDocument<rapidjson::UTF8<>, rapidjson::MemoryPoolAllocator<FlaxAllocator>, FlaxAllocator> Document;
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// GenericValue with UTF8 encoding
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typedef rapidjson::GenericValue<rapidjson::UTF8<>, rapidjson::MemoryPoolAllocator<FlaxAllocator>> Value;
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// JSON writer to the stream
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template<typename OutputStream, typename SourceEncoding = rapidjson::UTF8<>, typename TargetEncoding = rapidjson::UTF8<>, unsigned writeFlags = rapidjson::kWriteDefaultFlags>
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using Writer = rapidjson::Writer<OutputStream, SourceEncoding, TargetEncoding, FlaxAllocator, writeFlags>;
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// Pretty JSON writer to the stream
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template<typename OutputStream, typename SourceEncoding = rapidjson::UTF8<>, typename TargetEncoding = rapidjson::UTF8<>, unsigned writeFlags = rapidjson::kWriteDefaultFlags>
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using PrettyWriter = rapidjson::PrettyWriter<OutputStream, SourceEncoding, TargetEncoding, FlaxAllocator, writeFlags>;
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}
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