152 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			152 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#pragma once
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#include "uclass.h"
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#include "view.h"
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#include "convert.h"
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namespace refl {
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	using enum ClassFlag;
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	inline bool Any::Check(const UClass* toClass) const{
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		if (cls == toClass) {
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			return true;
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		}
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		auto p1 = cls->parent;
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		auto p2 = toClass->parent;
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		assert(p1 && p2);
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		//子类转父类
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		if (p1->IsChildOf(p2)) {
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			return true;
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		}
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		if (p1->flag & CLASS_TRIVIAL_FLAG && p2->flag & CLASS_TRIVIAL_FLAG && p1->size >= p2->size) {
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			return true;
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		}
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		return false;
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	}
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	inline constexpr int Any::Size()const
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	{
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		return cls->parent->size;
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	}
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	inline constexpr const UClass* Any::Parent()const
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	{
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		return cls->parent;
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	}
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	inline AnyArgs::AnyArgs(const sarray<Any>& args, const sarray<const UClass*>& params, void* memory)
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		: data(memory), num(args.size()), size(GetArgsSize(args, params))
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	{
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		assert(size > 0);
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		if (!memory) {
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			isMemoryOwner = true;
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			data = malloc(size);
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		}
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		Any* any = (Any*)data;
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		assert(any != nullptr);
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		char* pData = ((char*)data) + num * sizeof(Any);
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		auto uptr = params.at(params.size() - args.size());
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		for (auto& arg : args) {
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			any->cls = *uptr;
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			any->ptr = pData;
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			assert(Convert::Construct(*any, arg));
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			any++;
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			pData += (*uptr)->parent->size;
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		}
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	}
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	inline AnyArgs::~AnyArgs()
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	{
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		if (num == 0 || !data) {
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			return;
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		}
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		if (isMemoryOwner) {
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			Any* any = (Any*)data;
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			for (int i = 0; i < num; i++) {
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				any->cls->DestObject((void*)any->ptr);
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				any++;
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			}
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			free(data);
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		}
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		num = 0;
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		data = nullptr;
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	}
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	inline int AnyArgs::Size()
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	{
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		return size;
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	}
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	inline const sarray<Any> AnyArgs::ToSArray()
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	{
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		return sarray<Any>((Any*)data, num);
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	}
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	inline constexpr Offset AnyArgs::GetArgsSize(const sarray<Any>& args,const sarray<const UClass*>& params)
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	{	//这里空间换时间,Any多占用了一个数据指针
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		if (args.size() == 0 || params.size() < args.size() + 1) {
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			return 0;
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		}
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		Offset offset = args.size() * sizeof(Any);
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		auto uptr = params.at(params.size() - args.size());
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		for (auto uend = params.back(); uptr < uend; uptr++) {
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			offset += (*uptr)->parent->size;//数据大小
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		}
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		return offset;
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	}
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	template<typename T>
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	inline bool AnyView::Get(const Name& name, T& t)
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	{
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		if (cache && cache->name == name) {
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		_cache_get: bool isChild = cache->type->IsChildOf<T>();
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			if (isChild) {
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				t = *(T*)((const char*)ptr + cache->data.member.offset);
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			}
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			return isChild;
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		}
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		auto field = cls->GetField(name, 0);
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		if (field) {
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			cache = field;
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			goto _cache_get;
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		}
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		if (cls->parent) {
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			return Parent().Get(name, t);
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		}
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		return false;
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	}
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	template<typename T>
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	inline bool AnyView::Set(const Name& name, const T& t)
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	{
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		if (cache && cache->name == name) {
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		_cache_set: bool isChild = cache->type->IsChildOf<T>();
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			if (isChild) {
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				*(T*)((const char*)ptr + cache->data.member.offset) = t;
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			}
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			return isChild;
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		}
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		auto field = cls->GetField(name, 0);
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		if (field) {
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			cache = field;
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			goto _cache_set;
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		}
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		if (cls->parent) {
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			return Parent().Set(name, t);
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		}
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		return false;
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	}
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	inline bool AnyView::Invoke(const Name& name,const sarray<Any>& ArgsList)
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	{
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		auto field = cls->GetField(name, 0);
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		if (!field) {
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			if (cls->parent) {
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				return Parent().Invoke(name, ArgsList);
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			}
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			return false;
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		}
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		return field->Invoke(ArgsList);
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	}
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	inline bool AnyView::Invoke(const Name& name, svector<Any>& ArgsList)
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	{
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		auto field = cls->GetField(name, 0);
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		if (!field) {
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			if (cls->parent) {
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				return Parent().Invoke(name, ArgsList);
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			}
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			return false;
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		}
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		return field->Invoke(ArgsList);
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	}
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	inline AnyView AnyView::Parent() {
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		return { ptr, cls ? cls->parent : nullptr };
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	}
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} |