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ImHex/plugins/libimhex/include/hex/providers/provider.hpp

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#pragma once
#include <hex.hpp>
#include <map>
#include <optional>
#include <string>
#include <vector>
#include <hex/helpers/shared_data.hpp>
#include <hex/providers/overlay.hpp>
namespace hex::prv {
class Provider {
public:
constexpr static size_t PageSize = 0x1000'0000;
Provider();
virtual ~Provider();
virtual bool isAvailable() const = 0;
virtual bool isReadable() const = 0;
virtual bool isWritable() const = 0;
virtual bool isResizable() const = 0;
virtual bool isSavable() const = 0;
virtual void read(u64 offset, void *buffer, size_t size, bool overlays = true);
virtual void write(u64 offset, const void *buffer, size_t size);
virtual void resize(ssize_t newSize);
virtual void save();
virtual void saveAs(const std::string &path);
virtual void readRaw(u64 offset, void *buffer, size_t size) = 0;
virtual void writeRaw(u64 offset, const void *buffer, size_t size) = 0;
virtual size_t getActualSize() const = 0;
void applyOverlays(u64 offset, void *buffer, size_t size);
std::map<u64, u8>& getPatches();
const std::map<u64, u8>& getPatches() const;
void applyPatches();
[[nodiscard]] Overlay* newOverlay();
void deleteOverlay(Overlay *overlay);
[[nodiscard]] const std::list<Overlay*>& getOverlays();
u32 getPageCount() const;
u32 getCurrentPage() const;
void setCurrentPage(u32 page);
virtual void setBaseAddress(u64 address);
virtual u64 getBaseAddress() const;
virtual u64 getCurrentPageAddress() const;
virtual size_t getSize() const;
virtual std::optional<u32> getPageOfAddress(u64 address) const;
[[nodiscard]] virtual std::string getName() const = 0;
[[nodiscard]] virtual std::vector<std::pair<std::string, std::string>> getDataInformation() const = 0;
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void addPatch(u64 offset, const void *buffer, size_t size);
void undo();
void redo();
bool canUndo() const;
bool canRedo() const;
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protected:
u32 m_currPage = 0;
u64 m_baseAddress = 0;
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u32 m_patchTreeOffset = 0;
std::vector<std::map<u64, u8>> m_patches;
std::list<Overlay*> m_overlays;
};
}