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ImHex/lib/libimhex/include/hex/providers/memory_provider.hpp

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#pragma once
#include <hex/providers/provider.hpp>
namespace hex::prv {
/**
* This is a simple mock provider that can be used to pass in-memory data to APIs that require a provider.
* It's NOT a provider that can be loaded by the user.
*/
class MemoryProvider : public hex::prv::Provider {
public:
MemoryProvider() = default;
explicit MemoryProvider(std::vector<u8> data, std::string name = "") : m_data(std::move(data)), m_name(std::move(name)) { }
~MemoryProvider() override = default;
MemoryProvider(const MemoryProvider&) = delete;
MemoryProvider& operator=(const MemoryProvider&) = delete;
MemoryProvider(MemoryProvider &&provider) noexcept = default;
MemoryProvider& operator=(MemoryProvider &&provider) noexcept = default;
[[nodiscard]] bool isAvailable() const override { return true; }
[[nodiscard]] bool isReadable() const override { return true; }
[[nodiscard]] bool isWritable() const override { return true; }
[[nodiscard]] bool isResizable() const override { return true; }
[[nodiscard]] bool isSavable() const override { return m_name.empty(); }
[[nodiscard]] bool isSavableAsRecent() const override { return false; }
[[nodiscard]] bool open() override;
void close() override { }
void readRaw(u64 offset, void *buffer, size_t size) override;
void writeRaw(u64 offset, const void *buffer, size_t size) override;
[[nodiscard]] u64 getActualSize() const override { return m_data.size(); }
void resizeRaw(u64 newSize) override;
void insertRaw(u64 offset, u64 size) override;
void removeRaw(u64 offset, u64 size) override;
[[nodiscard]] std::string getName() const override { return m_name; }
[[nodiscard]] std::string getTypeName() const override { return "MemoryProvider"; }
private:
void renameFile();
private:
std::vector<u8> m_data;
std::string m_name;
};
}