updated build system

support/include/utils/file.hpp

@@ -24,104 +24,362 @@
 
 #include "utils/config.hpp"
 
+#include "utils/path.hpp"
+#include <memory>
+
 namespace repertory::utils::file {
-class file final {
+struct i_file {
+  virtual ~i_file() = default;
+
+  virtual void close() = 0;
+
+  [[nodiscard]] virtual auto exists() const -> bool = 0;
+
+  virtual void flush() const = 0;
+
+  [[nodiscard]] virtual auto get_handle() const -> native_handle = 0;
+
+  [[nodiscard]] virtual auto get_path() const -> std::string = 0;
+
+  [[nodiscard]] virtual auto get_read_buffer_size() const -> std::uint32_t = 0;
+
+  [[nodiscard]] virtual auto is_read_only() const -> bool = 0;
+
+  [[nodiscard]] virtual auto move_to(std::string_view new_path) -> bool = 0;
+
+  [[nodiscard]] virtual auto
+  read(data_buffer &data, std::uint64_t offset,
+       std::size_t *total_read = nullptr) -> bool = 0;
+
+  [[nodiscard]] virtual auto
+  read(unsigned char *data, std::size_t to_read, std::uint64_t offset,
+       std::size_t *total_read = nullptr) -> bool = 0;
+
+  [[nodiscard]] virtual auto
+  read_all(data_buffer &data, std::uint64_t offset,
+           std::size_t *total_read = nullptr) -> bool = 0;
+
+  [[nodiscard]] virtual auto remove() -> bool = 0;
+
+  virtual auto set_read_buffer_size(std::uint32_t size) -> std::uint32_t = 0;
+
+  [[nodiscard]] virtual auto size() const -> std::uint64_t = 0;
+
+  [[nodiscard]] virtual auto truncate() -> bool = 0;
+
+  [[nodiscard]] virtual auto truncate(std::size_t size) -> bool = 0;
+
+  [[nodiscard]] virtual auto
+  write(const data_buffer &data, std::uint64_t offset,
+        std::size_t *total_written = nullptr) -> bool = 0;
+
+  [[nodiscard]] virtual auto
+  write(const unsigned char *data, std::size_t to_write, std::size_t offset,
+        std::size_t *total_written = nullptr) -> bool = 0;
+
 public:
-  [[nodiscard]] static auto attach_file(native_handle handle,
-                                        bool read_only = false) -> file;
+  [[nodiscard]] virtual operator bool() const = 0;
 
-  [[nodiscard]] static auto open_file(std::filesystem::path path,
-                                      bool read_only = false) -> file;
+protected:
+  i_file() noexcept = default;
 
-  [[nodiscard]] static auto open_or_create_file(std::filesystem::path path,
-                                                bool read_only = false) -> file;
+  i_file(const i_file &) noexcept = delete;
+
+  i_file(i_file &&) noexcept = delete;
+
+  auto operator=(i_file &&) noexcept -> i_file & = delete;
+
+  auto operator=(const i_file &) noexcept -> i_file & = delete;
+};
+
+class file final : public i_file {
+public:
+  [[nodiscard]] static auto
+  attach_file(native_handle handle,
+              bool read_only = false) -> std::unique_ptr<i_file>;
+
+  [[nodiscard]] static auto
+  open_file(std::string_view path,
+            bool read_only = false) -> std::unique_ptr<i_file>;
+
+  [[nodiscard]] static auto
+  open_file(std::wstring_view path,
+            bool read_only = false) -> std::unique_ptr<i_file> {
+    return open_file(utils::string::to_utf8(path), read_only);
+  }
+
+  [[nodiscard]] static auto
+  open_or_create_file(std::string_view path,
+                      bool read_only = false) -> std::unique_ptr<i_file>;
+
+  [[nodiscard]] static auto
+  open_or_create_file(std::wstring_view path,
+                      bool read_only = false) -> std::unique_ptr<i_file> {
+    return open_or_create_file(utils::string::to_utf8(path), read_only);
+  }
 
 public:
   file() noexcept = default;
 
-protected:
-  file(file_t file_ptr, std::filesystem::path path)
-      : file_(std::move(file_ptr)), path_(std::move(path)) {}
+  file(std::string_view path)
+      : file_(nullptr), path_(utils::path::absolute(path)) {}
+
+  file(std::wstring_view path)
+      : file_(nullptr),
+        path_(utils::path::absolute(utils::string::to_utf8(path))) {}
+
+private:
+  file(file_t file_ptr, std::string_view path, bool read_only)
+      : file_(std::move(file_ptr)), path_(path), read_only_(read_only) {}
 
 public:
   file(const file &) = delete;
 
   file(file &&move_file) noexcept
       : file_(std::move(move_file.file_)),
-        path_(std::move(move_file.path_))
+        path_(std::move(move_file.path_)),
+        read_only_(move_file.read_only_)
 #if defined(_WIN32)
         ,
-        mtx_()
+        mtx_(std::move(move_file.mtx_))
 #endif // defined(_WIN32)
   {
   }
 
-  ~file() { close(); }
+  ~file() override { close(); }
 
+private:
+  file_t file_;
+  std::string path_;
+  bool read_only_{false};
+#if defined(_WIN32)
+  mutable std::unique_ptr<std::recursive_mutex> mtx_{
+      new std::recursive_mutex(),
+  };
+#endif // defined(_WIN32)
+
+private:
+  std::atomic_uint32_t read_buffer_size{65536U};
+
+private:
+  void open();
+
+public:
+  void close() override;
+
+  [[nodiscard]] auto exists() const -> bool override;
+
+  void flush() const override;
+
+  [[nodiscard]] auto get_handle() const -> native_handle override;
+
+  [[nodiscard]] auto get_path() const -> std::string override { return path_; }
+
+  [[nodiscard]] auto get_read_buffer_size() const -> std::uint32_t override {
+    return read_buffer_size;
+  }
+
+  [[nodiscard]] auto is_read_only() const -> bool override {
+    return read_only_;
+  };
+
+  [[nodiscard]] auto move_to(std::string_view new_path) -> bool override;
+
+  [[nodiscard]] auto read(data_buffer &data, std::uint64_t offset,
+                          std::size_t *total_read = nullptr) -> bool override;
+
+  [[nodiscard]] auto read(unsigned char *data, std::size_t to_read,
+                          std::uint64_t offset,
+                          std::size_t *total_read = nullptr) -> bool override;
+
+  [[nodiscard]] auto
+  read_all(data_buffer &data, std::uint64_t offset,
+           std::size_t *total_read = nullptr) -> bool override;
+
+  [[nodiscard]] auto remove() -> bool override;
+
+  auto set_read_buffer_size(std::uint32_t size) -> std::uint32_t override {
+    read_buffer_size = size;
+    return read_buffer_size;
+  }
+
+  [[nodiscard]] auto size() const -> std::uint64_t override;
+
+  [[nodiscard]] auto truncate() -> bool override { return truncate(0U); }
+
+  [[nodiscard]] auto truncate(std::size_t size) -> bool override;
+
+  [[nodiscard]] auto
+  write(const data_buffer &data, std::uint64_t offset,
+        std::size_t *total_written = nullptr) -> bool override;
+
+  [[nodiscard]] auto
+  write(const unsigned char *data, std::size_t to_write, std::size_t offset,
+        std::size_t *total_written = nullptr) -> bool override;
+
+public:
   auto operator=(const file &) noexcept -> file & = delete;
 
   auto operator=(file &&move_file) noexcept -> file & {
     if (&move_file != this) {
       file_ = std::move(move_file.file_);
       path_ = std::move(move_file.path_);
+      read_only_ = move_file.read_only_;
+#if defined(_WIN32)
+      mtx_ = std::move(move_file.mtx_);
+#endif // defined(_WIN32)
     }
 
     return *this;
   }
 
-private:
-  file_t file_{nullptr};
-  std::filesystem::path path_;
-#if defined(_WIN32)
-  mutable std::recursive_mutex mtx_{};
-#endif // defined(_WIN32)
+  [[nodiscard]] operator bool() const override { return file_ != nullptr; }
+};
+
+class thread_file final : public i_file {
+public:
+  [[nodiscard]] static auto
+  attach_file(native_handle handle,
+              bool read_only = false) -> std::unique_ptr<i_file>;
+
+  [[nodiscard]] static auto
+  open_file(std::string_view path,
+            bool read_only = false) -> std::unique_ptr<i_file>;
+
+  [[nodiscard]] static auto
+  open_file(std::wstring_view path,
+            bool read_only = false) -> std::unique_ptr<i_file> {
+    return open_file(utils::string::to_utf8(path), read_only);
+  }
+
+  [[nodiscard]] static auto
+  open_or_create_file(std::string_view path,
+                      bool read_only = false) -> std::unique_ptr<i_file>;
+
+  [[nodiscard]] static auto
+  open_or_create_file(std::wstring_view path,
+                      bool read_only = false) -> std::unique_ptr<i_file> {
+    return open_or_create_file(utils::string::to_utf8(path), read_only);
+  }
 
 public:
-  void close();
+  thread_file() noexcept = default;
 
-  void flush();
+  thread_file(std::string_view path) : file_(new file(path)) {}
 
-  [[nodiscard]] auto get_handle() const -> native_handle;
+  thread_file(std::wstring_view path)
+      : file_(new file(utils::string::to_utf8(path))) {}
 
-  [[nodiscard]] auto get_path() const -> std::filesystem::path { return path_; }
+protected:
+  thread_file(std::unique_ptr<i_file> file);
 
-  [[nodiscard]] auto move_to(std::filesystem::path new_path) -> bool;
+public:
+  thread_file(const thread_file &) = delete;
+
+  thread_file(thread_file &&move_file) noexcept
+      : file_(std::move(move_file.file_)) {}
+
+  ~thread_file() override { close(); }
+
+private:
+  std::unique_ptr<i_file> file_;
+
+public:
+  void close() override;
+
+  [[nodiscard]] auto exists() const -> bool override { return file_->exists(); }
+
+  void flush() const override;
+
+  [[nodiscard]] auto get_handle() const -> native_handle override {
+    return file_->get_handle();
+  }
+
+  [[nodiscard]] auto get_path() const -> std::string override {
+    return file_->get_path();
+  }
+
+  [[nodiscard]] auto get_read_buffer_size() const -> std::uint32_t override {
+    return file_->get_read_buffer_size();
+  }
+
+  [[nodiscard]] auto is_read_only() const -> bool override {
+    return file_->is_read_only();
+  };
+
+  [[nodiscard]] auto move_to(std::string_view new_path) -> bool override;
 
   [[nodiscard]] auto read(data_buffer &data, std::uint64_t offset,
-                          std::size_t *total_read = nullptr) -> bool;
+                          std::size_t *total_read = nullptr) -> bool override;
 
   [[nodiscard]] auto read(unsigned char *data, std::size_t to_read,
                           std::uint64_t offset,
-                          std::size_t *total_read = nullptr) -> bool;
+                          std::size_t *total_read = nullptr) -> bool override;
 
-  [[nodiscard]] auto read_all(data_buffer &data, std::uint64_t offset,
-                              std::size_t *total_read = nullptr) -> bool;
+  [[nodiscard]] auto
+  read_all(data_buffer &data, std::uint64_t offset,
+           std::size_t *total_read = nullptr) -> bool override;
 
-  [[nodiscard]] auto remove() -> bool;
+  [[nodiscard]] auto remove() -> bool override;
 
-  [[nodiscard]] auto size() const -> std::uint64_t;
+  auto set_read_buffer_size(std::uint32_t size) -> std::uint32_t override {
+    return file_->set_read_buffer_size(size);
+  }
 
-  [[nodiscard]] auto truncate() -> bool { return truncate(0U); }
+  [[nodiscard]] auto size() const -> std::uint64_t override;
 
-  [[nodiscard]] auto truncate(std::size_t size) -> bool;
+  [[nodiscard]] auto truncate() -> bool override { return truncate(0U); }
 
-  [[nodiscard]] auto write(const data_buffer &data, std::uint64_t offset,
-                           std::size_t *total_written = nullptr) -> bool;
+  [[nodiscard]] auto truncate(std::size_t size) -> bool override;
 
-  [[nodiscard]] auto write(const unsigned char *data, std::size_t to_write,
-                           std::size_t offset,
-                           std::size_t *total_written = nullptr) -> bool;
+  [[nodiscard]] auto
+  write(const data_buffer &data, std::uint64_t offset,
+        std::size_t *total_written = nullptr) -> bool override;
+
+  [[nodiscard]] auto
+  write(const unsigned char *data, std::size_t to_write, std::size_t offset,
+        std::size_t *total_written = nullptr) -> bool override;
 
 public:
-  [[nodiscard]] operator bool() const { return file_ != nullptr; }
+  [[nodiscard]] operator bool() const override {
+    return static_cast<bool>(*file_);
+  }
+
+  auto operator=(const file &) noexcept -> thread_file & = delete;
+
+  auto operator=(thread_file &&move_file) noexcept -> thread_file & {
+    if (&move_file != this) {
+      file_ = std::move(move_file.file_);
+    }
+
+    return *this;
+  }
 };
 
+[[nodiscard]] auto create_directories(std::string_view path) -> bool;
+
+[[nodiscard]] auto create_directories(std::wstring_view path) -> bool;
+
+[[nodiscard]] auto
+directory_exists_in_path(std::string_view path,
+                         std::string_view sub_directory) -> bool;
+
+[[nodiscard]] auto
+directory_exists_in_path(std::wstring_view path,
+                         std::wstring_view sub_directory) -> bool;
+
 [[nodiscard]] auto get_file_size(std::string_view path,
                                  std::uint64_t &file_size) -> bool;
 
 [[nodiscard]] auto get_file_size(std::wstring_view path,
                                  std::uint64_t &file_size) -> bool;
 
+[[nodiscard]] auto file_exists_in_path(std::string_view path,
+                                       std::string_view file_name) -> bool;
+
+[[nodiscard]] auto file_exists_in_path(std::wstring_view path,
+                                       std::wstring_view file_name) -> bool;
+
 [[nodiscard]] auto is_directory(std::string_view path) -> bool;
 
 [[nodiscard]] auto is_directory(std::wstring_view path) -> bool;
@@ -130,6 +388,12 @@ public:
 
 [[nodiscard]] auto is_file(std::wstring_view path) -> bool;
 
+[[nodiscard]] auto remove_directory(std::string_view path,
+                                    bool recursive = false) -> bool;
+
+[[nodiscard]] auto remove_directory(std::wstring_view path,
+                                    bool recursive = false) -> bool;
+
 #if defined(PROJECT_ENABLE_JSON)
 #if defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
 [[nodiscard]] auto
@@ -161,6 +425,21 @@ read_json_file(std::string_view path, nlohmann::json &data,
                                    const nlohmann::json &data) -> bool;
 #endif // defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
 #endif // defined(PROJECT_ENABLE_JSON)
+
+template <typename string_t>
+inline auto directory_exists_in_path_t(
+    std::basic_string_view<typename string_t::value_type> path,
+    std::basic_string_view<typename string_t::value_type> sub_directory)
+    -> bool {
+  return is_directory(utils::path::combine(path, {sub_directory}));
+}
+
+template <typename string_t>
+inline auto file_exists_in_path_t(
+    std::basic_string_view<typename string_t::value_type> path,
+    std::basic_string_view<typename string_t::value_type> file_name) -> bool {
+  return is_file(utils::path::combine(path, {file_name}));
+}
 } // namespace repertory::utils::file
 
 #endif // REPERTORY_INCLUDE_UTILS_FILE_HPP_