inspect.hpp
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/*************************************************************************
*
* Copyright 2016 Realm Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**************************************************************************/
#ifndef REALM_UTIL_INSPECT_HPP
#define REALM_UTIL_INSPECT_HPP
#include <string>
namespace realm {
namespace util {
// LCOV_EXCL_START
//
// Because these are templated functions, every combination of output stream
// type and value(s) type(s) generates a new function. This makes LCOV/GCOVR
// report over 70 functions in this file, with only 6.6% function coverage,
// even though line coverage is at 100%.
template <class OS, class T>
void inspect_value(OS& os, const T& value)
{
os << value;
}
template <class OS>
void inspect_value(OS& os, const std::string& value)
{
// FIXME: Escape the string.
os << "\"" << value << "\"";
}
template <class OS>
void inspect_value(OS& os, const char* value)
{
// FIXME: Escape the string.
os << "\"" << value << "\"";
}
template <class OS>
void inspect_all(OS&)
{
// No-op
}
/// Convert all arguments to strings, and quote string arguments.
template <class OS, class First, class... Args>
void inspect_all(OS& os, First&& first, Args&&... args)
{
inspect_value(os, std::forward<First>(first));
if (sizeof...(Args) != 0) {
os << ", ";
}
inspect_all(os, std::forward<Args>(args)...);
}
// LCOV_EXCL_STOP
} // namespace util
} // namespace realm
#endif // REALM_UTIL_INSPECT_HPP