Initial community commit

Src/external_dependencies/openmpt-trunk/src/mpt/exception_text/exception_text.hpp

@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: BSL-1.0 OR BSD-3-Clause */
+
+#ifndef MPT_EXCEPTION_TEXT_EXCEPTION_TEXT_HPP
+#define MPT_EXCEPTION_TEXT_EXCEPTION_TEXT_HPP
+
+
+
+#include "mpt/base/namespace.hpp"
+#include "mpt/string/types.hpp"
+#include "mpt/string_transcode/transcode.hpp"
+
+#include <exception>
+
+#include <cstring>
+
+
+
+namespace mpt {
+inline namespace MPT_INLINE_NS {
+
+
+
+template <typename Tstring>
+inline Tstring get_exception_text(const std::exception & e) {
+	if (e.what() && (std::strlen(e.what()) > 0)) {
+		return mpt::transcode<Tstring>(mpt::exception_string{e.what()});
+	} else if (typeid(e).name() && (std::strlen(typeid(e).name()) > 0)) {
+		return mpt::transcode<Tstring>(mpt::source_string{typeid(e).name()});
+	} else {
+		return mpt::transcode<Tstring>(mpt::source_string{"unknown exception name"});
+	}
+}
+
+template <>
+inline std::string get_exception_text<std::string>(const std::exception & e) {
+	if (e.what() && (std::strlen(e.what()) > 0)) {
+		return std::string{e.what()};
+	} else if (typeid(e).name() && (std::strlen(typeid(e).name()) > 0)) {
+		return std::string{typeid(e).name()};
+	} else {
+		return std::string{"unknown exception name"};
+	}
+}
+
+
+template <typename Tstring>
+inline Tstring get_current_exception_text() {
+	try {
+		throw;
+	} catch (const std::exception & e) {
+		return mpt::get_exception_text<Tstring>(e);
+	} catch (...) {
+		return mpt::transcode<Tstring>(mpt::source_string{"unknown exception"});
+	}
+}
+
+template <>
+inline std::string get_current_exception_text<std::string>() {
+	try {
+		throw;
+	} catch (const std::exception & e) {
+		return mpt::get_exception_text<std::string>(e);
+	} catch (...) {
+		return std::string{"unknown exception"};
+	}
+}
+
+
+} // namespace MPT_INLINE_NS
+} // namespace mpt
+
+
+
+#endif // MPT_EXCEPTION_TEXT_EXCEPTION_TEXT_HPP