Initial native OpenSim viewer prototype

third_party/CLI11/include/CLI/Encoding.hpp

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+// Copyright (c) 2017-2025, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
+#pragma once
+
+// IWYU pragma: private, include "CLI/CLI.hpp"
+#include "Macros.hpp"
+
+// [CLI11:public_includes:set]
+#include <string>
+// [CLI11:public_includes:end]
+
+// [CLI11:encoding_includes:verbatim]
+#ifdef CLI11_CPP17
+#include <string_view>
+#endif  // CLI11_CPP17
+
+#if defined CLI11_HAS_FILESYSTEM && CLI11_HAS_FILESYSTEM > 0
+#include <filesystem>
+#include <string_view>  // NOLINT(build/include)
+#endif                  // CLI11_HAS_FILESYSTEM
+// [CLI11:encoding_includes:end]
+
+namespace CLI {
+// [CLI11:encoding_hpp:verbatim]
+
+/// Convert a wide string to a narrow string.
+CLI11_INLINE std::string narrow(const std::wstring &str);
+CLI11_INLINE std::string narrow(const wchar_t *str);
+CLI11_INLINE std::string narrow(const wchar_t *str, std::size_t size);
+
+/// Convert a narrow string to a wide string.
+CLI11_INLINE std::wstring widen(const std::string &str);
+CLI11_INLINE std::wstring widen(const char *str);
+CLI11_INLINE std::wstring widen(const char *str, std::size_t size);
+
+#ifdef CLI11_CPP17
+CLI11_INLINE std::string narrow(std::wstring_view str);
+CLI11_INLINE std::wstring widen(std::string_view str);
+#endif  // CLI11_CPP17
+
+#if defined CLI11_HAS_FILESYSTEM && CLI11_HAS_FILESYSTEM > 0
+/// Convert a char-string to a native path correctly.
+CLI11_INLINE std::filesystem::path to_path(std::string_view str);
+#endif  // CLI11_HAS_FILESYSTEM
+
+// [CLI11:encoding_hpp:end]
+}  // namespace CLI
+
+#ifndef CLI11_COMPILE
+#include "impl/Encoding_inl.hpp"  // IWYU pragma: export
+#endif