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#ifndef RFL_PARSING_TOSINGLEERRORMESSAGE_HPP_
#define RFL_PARSING_TOSINGLEERRORMESSAGE_HPP_
#include <optional>
#include <sstream>
#include <string>
#include <vector>
#include "../internal/strings/strings.hpp"
namespace rfl::parsing {
/// Combines a set of errors to a single, readable error message.
inline std::string to_single_error_message(
std::vector<Error> _errors,
std::optional<std::string> _msg_prefix = std::nullopt,
size_t _err_limit = 10) {
if (_errors.size() == 1) {
return std::move(_errors[0].what());
} else {
std::stringstream stream;
stream << (_msg_prefix
? *_msg_prefix
: "Found " + std::to_string(_errors.size()) + " errors:");
for (size_t i = 0; i < _errors.size() && i < _err_limit; ++i) {
stream << "\n"
<< i + 1 << ") "
<< internal::strings::replace_all(_errors.at(i).what(), "\n",
"\n ");
}
if (_errors.size() > _err_limit) {
stream << "\n...\nMore than " << _err_limit
<< " errors occurred, but I am only showing the "
"first "
<< _err_limit << ".";
}
return stream.str();
}
}
} // namespace rfl::parsing
#endif
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