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feat(BytePatch): added std::array/vector support (#626)

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Co-authored-by: xiaoxiao921 <xiaoxiao921@hotmail.fr>
This commit is contained in:
Yimura 2022-11-21 16:37:12 +01:00 committed by GitHub
parent ab49103171
commit abad615531
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1 changed files with 32 additions and 4 deletions
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36
src/memory/byte_patch.hpp
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@ -1,7 +1,14 @@
#pragma once
#include <span>
namespace memory
{
template<typename T>
concept SpanCompatibleType = requires(T a)
{
std::span{ a };
};
class byte_patch
{
public:
@ -20,6 +27,13 @@ namespace memory
std::unique_ptr<byte_patch>(new byte_patch(address, value)));
}
template <typename TAddr, typename T> requires SpanCompatibleType<T>
static const std::unique_ptr<byte_patch>& make(TAddr address, T span_compatible)
{
return m_patches.emplace_back(
std::unique_ptr<byte_patch>(new byte_patch(address, std::span{ span_compatible })));
}
static void restore_all();
private:
@ -28,20 +42,34 @@ namespace memory
: m_address(address)
{
m_size = sizeof(std::remove_pointer_t<std::remove_reference_t<TAddr>>);
m_original_bytes = std::make_unique<uint8_t[]>(m_size);
m_value = std::make_unique<uint8_t[]>(m_size);
m_original_bytes = std::make_unique<byte[]>(m_size);
memcpy(m_original_bytes.get(), m_address, m_size);
m_value = std::make_unique<byte[]>(m_size);
memcpy(m_value.get(), &value, m_size);
}
template <typename TAddr, typename T, std::size_t N>
byte_patch(TAddr address, std::span<T, N> span)
: m_address((void*)address)
{
m_size = span.size_bytes();
m_original_bytes = std::make_unique<byte[]>(m_size);
memcpy(m_original_bytes.get(), m_address, m_size);
m_value = std::make_unique<byte[]>(m_size);
memcpy(m_value.get(), span.data(), m_size);
}
protected:
static inline std::vector<std::unique_ptr<byte_patch>> m_patches;
private:
void* m_address;
std::unique_ptr<uint8_t[]> m_value;
std::unique_ptr<uint8_t[]> m_original_bytes;
std::unique_ptr<byte[]> m_value;
std::unique_ptr<byte[]> m_original_bytes;
std::size_t m_size;
friend bool operator== (const std::unique_ptr<byte_patch>& a, const byte_patch* b);