updated build system

support/include/utils/file.hpp

@@ -0,0 +1,151 @@
+/*
+  Copyright <2018-2024> <scott.e.graves@protonmail.com>
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+  SOFTWARE.
+*/
+#ifndef REPERTORY_INCLUDE_UTILS_FILE_HPP_
+#define REPERTORY_INCLUDE_UTILS_FILE_HPP_
+
+#include "utils/config.hpp"
+
+namespace repertory::utils::file {
+class file final {
+public:
+  [[nodiscard]] static auto open_file(std::filesystem::path path) -> file;
+
+  [[nodiscard]] static auto
+  open_or_create_file(std::filesystem::path path) -> file;
+
+protected:
+  file(std::fstream stream, std::filesystem::path path)
+      : path_(std::move(path)), stream_(std::move(stream)) {}
+  file() = default;
+
+public:
+  file(const file &) = delete;
+  file(file &&file_) noexcept = default;
+
+  ~file() { close(); }
+
+  auto operator=(const file &) noexcept -> file & = delete;
+  auto operator=(file &&file_) noexcept -> file & = default;
+
+private:
+  std::error_code error_{};
+  std::filesystem::path path_;
+  std::fstream stream_;
+
+public:
+  void close();
+
+  [[nodiscard]] auto get_error_code() const -> std::error_code {
+    return error_;
+  }
+
+  [[nodiscard]] auto get_path() const -> std::filesystem::path { return path_; }
+
+  [[nodiscard]] auto move_to(std::filesystem::path new_path) -> bool;
+
+  [[nodiscard]] auto read(data_buffer &data, std::uint64_t offset,
+                          std::size_t *total_read = nullptr) -> bool {
+    return read_(reinterpret_cast<unsigned char *>(data.data()), data.size(),
+                 offset, total_read);
+  }
+
+  [[nodiscard]] auto remove() -> bool;
+
+  [[nodiscard]] auto truncate() -> bool { return truncate(0U); }
+
+  [[nodiscard]] auto truncate(std::size_t size) -> bool;
+
+#if defined(PROJECT_ENABLE_JSON)
+  [[nodiscard]] auto write(const nlohmann::json &data,
+                           std::size_t *total_written = nullptr) -> bool {
+    auto str_data = data.dump();
+    return write_(reinterpret_cast<const unsigned char *>(str_data.c_str()),
+                  str_data.size(), 0U, total_written);
+  }
+#endif // defined(PROJECT_ENABLE_JSON)
+
+  [[nodiscard]] auto write(const data_buffer &data, std::uint64_t offset,
+                           std::size_t *total_written = nullptr) -> bool {
+    return write_(reinterpret_cast<const unsigned char *>(data.data()),
+                  data.size(), offset, total_written);
+  }
+
+  [[nodiscard]] operator bool() const { return stream_.is_open(); }
+
+private:
+  [[nodiscard]] auto read_(unsigned char *data, std::size_t to_read,
+                           std::uint64_t offset,
+                           std::size_t *total_read) -> bool;
+
+  [[nodiscard]] auto write_(const unsigned char *data, std::size_t to_write,
+                            std::size_t offset,
+                            std::size_t *total_written) -> 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 is_directory(std::string_view path) -> bool;
+
+[[nodiscard]] auto is_directory(std::wstring_view path) -> bool;
+
+[[nodiscard]] auto is_file(std::string_view path) -> bool;
+
+[[nodiscard]] auto is_file(std::wstring_view path) -> bool;
+
+#if defined(PROJECT_ENABLE_JSON)
+#if defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
+[[nodiscard]] auto
+read_json_file(std::string_view path, nlohmann::json &data,
+               std::optional<std::string_view> password = std::nullopt) -> bool;
+
+[[nodiscard]] auto read_json_file(
+    std::wstring_view path, nlohmann::json &data,
+    std::optional<std::wstring_view> password = std::nullopt) -> bool;
+
+[[nodiscard]] auto write_json_file(
+    std::string_view path, const nlohmann::json &data,
+    std::optional<std::string_view> password = std::nullopt) -> bool;
+
+[[nodiscard]] auto write_json_file(
+    std::wstring_view path, const nlohmann::json &data,
+    std::optional<std::wstring_view> password = std::nullopt) -> bool;
+#else  // !defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
+[[nodiscard]] auto read_json_file(std::string_view path,
+                                  nlohmann::json &data) -> bool;
+
+[[nodiscard]] auto read_json_file(std::wstring_view path,
+                                  nlohmann::json &data) -> bool;
+
+[[nodiscard]] auto write_json_file(std::string_view path,
+                                   const nlohmann::json &data) -> bool;
+
+[[nodiscard]] auto write_json_file(std::wstring_view path,
+                                   const nlohmann::json &data) -> bool;
+#endif // defined(PROJECT_ENABLE_LIBSODIUM) && defined(PROJECT_ENABLE_BOOST)
+#endif // defined(PROJECT_ENABLE_JSON)
+} // namespace repertory::utils::file
+
+#endif // REPERTORY_INCLUDE_UTILS_FILE_HPP_