🛠️🐜 Antkeeper superbuild with dependencies included https://antkeeper.com
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#include "config.h"
#include "exception.h"
#include <cassert>
#include <string>
EaxException::EaxException(
const char* context,
const char* message)
:
std::runtime_error{make_message(context, message)}
{
}
std::string EaxException::make_message(
const char* context,
const char* message)
{
const auto context_size = (context ? std::string::traits_type::length(context) : 0);
const auto has_contex = (context_size > 0);
const auto message_size = (message ? std::string::traits_type::length(message) : 0);
const auto has_message = (message_size > 0);
if (!has_contex && !has_message)
{
return std::string{};
}
static constexpr char left_prefix[] = "[";
const auto left_prefix_size = std::string::traits_type::length(left_prefix);
static constexpr char right_prefix[] = "] ";
const auto right_prefix_size = std::string::traits_type::length(right_prefix);
const auto what_size =
(
has_contex ?
left_prefix_size + context_size + right_prefix_size :
0) +
message_size +
1;
auto what = std::string{};
what.reserve(what_size);
if (has_contex)
{
what.append(left_prefix, left_prefix_size);
what.append(context, context_size);
what.append(right_prefix, right_prefix_size);
}
if (has_message)
{
what.append(message, message_size);
}
return what;
}