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