Reorganized directories

Readded .editorconfig
C wrapper can be built again
Delphi library can be built again
Initial cleanup of cmake files

cpp/utils/string_convert.cpp

@@ -0,0 +1,49 @@
+/* Copyright (C) 2019 G'k
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+#include "string_convert.hpp"
+
+namespace libbsarch {
+#ifdef QT
+std::wstring to_wstring(const QString &str)
+{
+#ifdef _MSC_VER
+    return std::wstring(reinterpret_cast<const wchar_t *>(str.utf16()));
+#else
+    return str.toStdWString();
+#endif
+}
+
+std::string to_string(const QString &str)
+{
+    return str.toStdString();
+}
+
+QString to_qstring(const std::string &str)
+{
+    return QString::fromStdString(str);
+}
+
+QString to_qstring(const std::wstring &str)
+{
+#ifdef _MSC_VER
+    return QString::fromUtf16(reinterpret_cast<const ushort *>(str.c_str()));
+#else
+    return QString::fromStdWString(str);
+#endif
+}
+#endif
+
+static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> s_converter;
+std::string to_string(const std::wstring &str)
+{
+    return s_converter.to_bytes(str);
+}
+
+std::wstring to_wstring(const std::string &str)
+{
+    auto ws = s_converter.from_bytes(str);
+    return ws;
+}
+} // namespace libbsarch