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include/drives/directory_iterator.hpp

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+/*
+  Copyright <2018-2022> <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 INCLUDE_DRIVES_DIRECTORY_ITERATOR_HPP_
+#define INCLUDE_DRIVES_DIRECTORY_ITERATOR_HPP_
+
+#include "common.hpp"
+#include "types/remote.hpp"
+#include "types/repertory.hpp"
+
+namespace repertory {
+class directory_iterator final {
+public:
+#ifndef _WIN32
+  typedef std::function<void(const std::string &api_path, const std::uint64_t &file_size,
+                             const api_meta_map &meta, const bool &directory, struct stat *st)>
+      populate_stat_callback;
+#endif
+public:
+  explicit directory_iterator(directory_item_list list) : items_(std::move(list)) {}
+
+  directory_iterator(const directory_iterator &iterator) noexcept : items_(iterator.items_) {}
+
+  directory_iterator(directory_iterator &&iterator) noexcept : items_(std::move(iterator.items_)) {}
+
+private:
+  directory_item_list items_;
+
+public:
+#ifndef _WIN32
+  int fill_buffer(const remote::file_offset &offset, fuse_fill_dir_t filler_function, void *buffer,
+                  populate_stat_callback populate_stat);
+#endif
+
+  int get(const std::size_t &offset, std::string &item);
+
+  std::size_t get_count() const { return items_.size(); }
+
+  api_error get_directory_item(const std::size_t &offset, directory_item &di);
+
+  api_error get_directory_item(const std::string &api_path, directory_item &di);
+
+  int get_json(const std::size_t &offset, json &item);
+
+  std::size_t get_next_directory_offset(const std::string &api_path) const;
+
+public:
+  directory_iterator &operator=(const directory_iterator &iterator) noexcept;
+
+  directory_iterator &operator=(directory_iterator &&iterator) noexcept;
+
+  directory_iterator &operator=(directory_item_list list) noexcept;
+};
+} // namespace repertory
+
+#endif // INCLUDE_DRIVES_DIRECTORY_ITERATOR_HPP_