IZipArchive.hpp

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#ifndef OPENXLSX_IZIPARCHIVE_HPP
#define OPENXLSX_IZIPARCHIVE_HPP
 
#ifdef _MSC_VER    // conditionally enable MSVC specific pragmas to avoid other compilers warning about unknown pragmas
#    pragma warning(push)
#    pragma warning(disable : 4251)
#    pragma warning(disable : 4275)
#endif    // _MSC_VER
 
// ===== OpenXLSX Includes ===== //
#include "OpenXLSX-Exports.hpp"
 
#include <memory>
#include <string>
#include <vector>
 
namespace OpenXLSX
{
    class OPENXLSX_EXPORT IZipArchive
    {
    public:
        IZipArchive() : m_zipArchive() {}    // NOLINT
 
        template<typename T>
        IZipArchive(const T& zipArchive) : m_zipArchive{std::make_unique<Model<T>>(zipArchive)}
        {}    // NOLINT
 
        IZipArchive(const IZipArchive& other) : m_zipArchive(other.m_zipArchive ? other.m_zipArchive->clone() : nullptr) {}
 
        IZipArchive(IZipArchive&& other) noexcept = default;
 
        ~IZipArchive() = default;
 
        template<typename T>
        inline IZipArchive& operator=(const T& zipArchive)
        {
            m_zipArchive = std::make_unique<Model<T>>(zipArchive);
            return *this;
        }
 
        inline IZipArchive& operator=(const IZipArchive& other)
        {
            IZipArchive copy(other);
            *this = std::move(copy);
            return *this;
        }
 
        inline IZipArchive& operator=(IZipArchive&& other) noexcept = default;
 
        inline explicit operator bool() const { return isValid(); }
 
        inline bool isValid() const { return m_zipArchive->isValid(); }
 
        inline bool isOpen() const { return m_zipArchive->isOpen(); }
 
        inline void open(const std::string& fileName) { m_zipArchive->open(fileName); }
 
        inline void close() const { m_zipArchive->close(); }
 
        inline void save(const std::string& path) { m_zipArchive->save(path); }
 
        inline void addEntry(const std::string& name, const std::string& data) { m_zipArchive->addEntry(name, data); }
 
        inline void addEntryFromFile(std::string_view name, std::string_view filePath)
        { m_zipArchive->addEntryFromFile(std::string(name), std::string(filePath)); }
 
        inline void deleteEntry(const std::string& entryName) { m_zipArchive->deleteEntry(entryName); }
 
        inline std::string getEntry(const std::string& name) const { return m_zipArchive->getEntry(name); }
 
        inline void*   openEntryStream(std::string_view name) const { return m_zipArchive->openEntryStream(name); }
        inline int64_t readEntryStream(void* stream, char* buffer, uint64_t size) const
        { return m_zipArchive->readEntryStream(stream, buffer, size); }
        inline void closeEntryStream(void* stream) const { m_zipArchive->closeEntryStream(stream); }
 
        inline bool hasEntry(const std::string& entryName) const { return m_zipArchive->hasEntry(entryName); }
 
        inline std::vector<std::string> entryNames() const { return m_zipArchive->entryNames(); }
 
        inline void setCompressionLevel(int level) { m_zipArchive->setCompressionLevel(level); }
        inline int  compressionLevel() const { return m_zipArchive->compressionLevel(); }
 
    private:
        struct Concept
        {
        public:
            Concept() = default;
 
            Concept(const Concept&) = default;
 
            Concept(Concept&&) noexcept = default;
 
            virtual ~Concept() = default;
 
            inline Concept& operator=(const Concept&) = default;
 
            inline Concept& operator=(Concept&&) noexcept = default;
 
            inline virtual std::unique_ptr<Concept> clone() const = 0;
 
            inline virtual bool isValid() const = 0;
 
            inline virtual bool isOpen() const = 0;
 
            inline virtual void open(const std::string& fileName) = 0;
 
            inline virtual void close() const = 0;
 
            inline virtual void save(const std::string& path) const = 0;
 
            inline virtual void addEntry(const std::string& name, const std::string& data) = 0;
 
            inline virtual void addEntryFromFile(std::string_view name, std::string_view filePath) = 0;
 
            inline virtual void deleteEntry(const std::string& entryName) = 0;
 
            inline virtual std::string getEntry(const std::string& name) const = 0;
 
            inline virtual void*   openEntryStream(std::string_view name) const                     = 0;
            inline virtual int64_t readEntryStream(void* stream, char* buffer, uint64_t size) const = 0;
            inline virtual void    closeEntryStream(void* stream) const                             = 0;
 
            inline virtual bool hasEntry(const std::string& entryName) const = 0;
 
            inline virtual std::vector<std::string> entryNames() const = 0;
 
            inline virtual void setCompressionLevel(int level) = 0;
            inline virtual int  compressionLevel() const = 0;
        };
 
        template<typename T>
        struct Model : Concept
        {
        public:
            explicit Model(const T& x) : ZipType(x) {}
 
            Model(const Model& other) = default;
 
            Model(Model&& other) noexcept = default;
 
            ~Model() override = default;
 
            inline Model& operator=(const Model& other) = default;
 
            inline Model& operator=(Model&& other) noexcept = default;
 
            inline std::unique_ptr<Concept> clone() const override { return std::make_unique<Model<T>>(ZipType); }
 
            inline bool isValid() const override { return ZipType.isValid(); }
 
            inline bool isOpen() const override { return ZipType.isOpen(); }
 
            inline void open(const std::string& fileName) override { ZipType.open(fileName); }
 
            inline void close() const override { ZipType.close(); }
 
            inline void save(const std::string& path) const override { ZipType.save(path); }
 
            inline void addEntry(const std::string& name, const std::string& data) override { ZipType.addEntry(name, data); }
 
            inline void addEntryFromFile(std::string_view name, std::string_view filePath) override
            { ZipType.addEntryFromFile(name, filePath); }
 
            inline void deleteEntry(const std::string& entryName) override { ZipType.deleteEntry(entryName); }
 
            inline std::string getEntry(const std::string& name) const override { return ZipType.getEntry(name); }
 
            inline void*   openEntryStream(std::string_view name) const override { return ZipType.openEntryStream(name); }
            inline int64_t readEntryStream(void* stream, char* buffer, uint64_t size) const override
            { return ZipType.readEntryStream(stream, buffer, size); }
            inline void closeEntryStream(void* stream) const override { ZipType.closeEntryStream(stream); }
 
            inline bool hasEntry(const std::string& entryName) const override { return ZipType.hasEntry(entryName); }
 
            inline std::vector<std::string> entryNames() const override { return ZipType.entryNames(); }
 
            inline void setCompressionLevel(int level) override { ZipType.setCompressionLevel(level); }
            inline int  compressionLevel() const override { return ZipType.compressionLevel(); }
 
        private:
            mutable T ZipType;
        };
 
        std::unique_ptr<Concept> m_zipArchive;
    };
 
}    // namespace OpenXLSX
 
#ifdef _MSC_VER    // conditionally enable MSVC specific pragmas to avoid other compilers warning about unknown pragmas
#    pragma warning(pop)
#endif    // _MSC_VER
 
#endif    // OPENXLSX_IZIPARCHIVE_HPP