draft transfer implementation

source/directory.cpp

@@ -0,0 +1,77 @@
+/*
+ *   This file is part of Checkpoint
+ *   Copyright (C) 2017-2021 Bernardo Giordano, FlagBrew
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
+ *       * Requiring preservation of specified reasonable legal notices or
+ *         author attributions in that material or in the Appropriate Legal
+ *         Notices displayed by works containing it.
+ *       * Prohibiting misrepresentation of the origin of that material,
+ *         or requiring that modified versions of such material be marked in
+ *         reasonable ways as different from the original version.
+ */
+
+#include "directory.hpp"
+
+Directory::Directory(const std::string& root)
+{
+    mGood  = false;
+    mError = 0;
+    mList.clear();
+
+    DIR* dir = opendir(root.c_str());
+    struct dirent* ent;
+
+    if (dir == NULL) {
+        mError = (Result)errno;
+    }
+    else {
+        while ((ent = readdir(dir))) {
+            std::string name         = std::string(ent->d_name);
+            bool directory           = ent->d_type == DT_DIR;
+            struct DirectoryEntry de = {name, directory};
+            mList.push_back(de);
+        }
+    }
+
+    closedir(dir);
+    mGood = true;
+}
+
+Result Directory::error(void)
+{
+    return mError;
+}
+
+bool Directory::good(void)
+{
+    return mGood;
+}
+
+std::string Directory::entry(size_t index)
+{
+    return index < mList.size() ? mList.at(index).name : "";
+}
+
+bool Directory::folder(size_t index)
+{
+    return index < mList.size() ? mList.at(index).directory : false;
+}
+
+size_t Directory::size(void)
+{
+    return mList.size();
+}