1 files changed, 39 insertions, 0 deletions
diff --git a/libs/libbsarch/src/utils/string_convert.cpp b/libs/libbsarch/src/utils/string_convert.cpp
new file mode 100644
index 0000000..1e8ce9e
--- /dev/null
+++ b/libs/libbsarch/src/utils/string_convert.cpp
@@ -0,0 +1,39 @@
+/* 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"
+
+#include <cstdlib>
+#include <cstring>
+
+namespace libbsarch {
+
+std::string to_string(const std::wstring &str)
+{
+    if (str.empty()) return {};
+    std::mbstate_t state{};
+    const wchar_t* src = str.data();
+    std::size_t len = std::wcsrtombs(nullptr, &src, 0, &state);
+    if (len == static_cast<std::size_t>(-1)) return {};
+    std::string result(len, '\0');
+    src = str.data();
+    state = std::mbstate_t{};
+    std::wcsrtombs(result.data(), &src, len + 1, &state);
+    return result;
+}
+
+std::wstring to_wstring(const std::string &str)
+{
+    if (str.empty()) return {};
+    std::mbstate_t state{};
+    const char* src = str.data();
+    std::size_t len = std::mbsrtowcs(nullptr, &src, 0, &state);
+    if (len == static_cast<std::size_t>(-1)) return {};
+    std::wstring result(len, L'\0');
+    src = str.data();
+    state = std::mbstate_t{};
+    std::mbsrtowcs(result.data(), &src, len + 1, &state);
+    return result;
+}
+} // namespace libbsarch