112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
/*
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Copyright <2018-2023> <scott.e.graves@protonmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef INCLUDE_UTILS_NATIVEFILE_HPP_
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#define INCLUDE_UTILS_NATIVEFILE_HPP_
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#include "types/repertory.hpp"
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namespace repertory {
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class native_file final {
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public:
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using native_file_ptr = std::shared_ptr<native_file>;
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public:
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[[nodiscard]] static auto attach(native_handle handle) -> native_file_ptr {
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return std::shared_ptr<native_file>(new native_file(handle));
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}
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[[nodiscard]] static auto clone(const native_file_ptr &nativeFile)
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-> native_file_ptr;
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[[nodiscard]] static auto create_or_open(const std::string &source_path,
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bool should_chmod,
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native_file_ptr &nf) -> api_error;
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[[nodiscard]] static auto create_or_open(const std::string &source_path,
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native_file_ptr &nf) -> api_error;
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[[nodiscard]] static auto open(const std::string &source_path,
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native_file_ptr &nf) -> api_error;
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[[nodiscard]] static auto open(const std::string &source_path,
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bool should_chmod, native_file_ptr &nf)
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-> api_error;
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private:
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explicit native_file(const native_handle &handle) : handle_(handle) {}
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public:
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~native_file();
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private:
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native_handle handle_;
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private:
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bool auto_close{false};
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#ifdef _WIN32
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std::recursive_mutex read_write_mutex_;
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#endif
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public:
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[[nodiscard]] auto allocate(std::uint64_t file_size) -> bool;
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void close();
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[[nodiscard]] auto copy_from(const native_file_ptr &source) -> bool;
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[[nodiscard]] auto copy_from(const std::string &path) -> bool;
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void flush();
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[[nodiscard]] auto get_file_size(std::uint64_t &file_size) -> bool;
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[[nodiscard]] auto get_handle() -> native_handle;
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#ifdef _WIN32
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[[nodiscard]] auto read_bytes(char *buffer, std::size_t read_size,
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std::uint64_t read_offset,
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std::size_t &bytes_read) -> bool;
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#else
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[[nodiscard]] auto read_bytes(char *buffer, std::size_t read_size,
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std::uint64_t read_offset,
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std::size_t &bytes_read) -> bool;
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#endif
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void set_auto_close(bool b) { auto_close = b; }
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[[nodiscard]] auto truncate(std::uint64_t file_size) -> bool;
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#ifdef _WIN32
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[[nodiscard]] auto write_bytes(const char *buffer, std::size_t write_size,
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std::uint64_t write_offset,
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std::size_t &bytes_written) -> bool;
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#else
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[[nodiscard]] auto write_bytes(const char *buffer, std::size_t write_size,
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std::uint64_t write_offset,
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std::size_t &bytes_written) -> bool;
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#endif
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};
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using native_file_ptr = native_file::native_file_ptr;
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} // namespace repertory
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#endif // INCLUDE_UTILS_NATIVEFILE_HPP_
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