82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
#pragma once
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#include <hex/providers/provider.hpp>
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#include <wolv/io/file.hpp>
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#include <set>
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#include <string_view>
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namespace hex::plugin::builtin {
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class FileProvider : public hex::prv::Provider {
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public:
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FileProvider() = default;
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~FileProvider() override = default;
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[[nodiscard]] bool isAvailable() const override;
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[[nodiscard]] bool isReadable() const override;
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[[nodiscard]] bool isWritable() const override;
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[[nodiscard]] bool isResizable() const override;
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[[nodiscard]] bool isSavable() const override;
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void resizeRaw(u64 newSize) override;
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void readRaw(u64 offset, void *buffer, size_t size) override;
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void writeRaw(u64 offset, const void *buffer, size_t size) override;
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[[nodiscard]] u64 getActualSize() const override;
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void save() override;
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void saveAs(const std::fs::path &path) override;
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[[nodiscard]] std::string getName() const override;
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[[nodiscard]] std::vector<Description> getDataDescription() const override;
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std::variant<std::string, i128> queryInformation(const std::string &category, const std::string &argument) override;
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[[nodiscard]] bool hasFilePicker() const override { return true; }
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[[nodiscard]] bool handleFilePicker() override;
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std::vector<MenuEntry> getMenuEntries() override;
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void setPath(const std::fs::path &path);
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[[nodiscard]] bool open() override;
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void close() override;
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void loadSettings(const nlohmann::json &settings) override;
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[[nodiscard]] nlohmann::json storeSettings(nlohmann::json settings) const override;
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[[nodiscard]] std::string getTypeName() const override {
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return "hex.builtin.provider.file";
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}
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[[nodiscard]] std::pair<Region, bool> getRegionValidity(u64 address) const override;
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private:
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void convertToMemoryFile();
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void convertToDirectAccess();
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void handleFileChange();
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bool open(bool memoryMapped);
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protected:
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std::fs::path m_path;
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wolv::io::File m_file;
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size_t m_fileSize = 0;
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wolv::io::ChangeTracker m_changeTracker;
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std::vector<u8> m_data;
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bool m_loadedIntoMemory = false;
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bool m_ignoreNextChangeEvent = false;
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bool m_changeEventAcknowledgementPending = false;
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std::optional<struct stat> m_fileStats;
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bool m_readable = false, m_writable = false;
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static std::set<FileProvider*> s_openedFiles;
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};
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} |