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// Copyright (c) 2016 Ryan Prichard
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#include "WinptyException.h"
#include <memory>
#include <string>
#include "StringBuilder.h"
namespace {
class ExceptionImpl : public WinptyException {
public:
ExceptionImpl(const wchar_t *what) :
m_what(std::make_shared<std::wstring>(what)) {}
virtual const wchar_t *what() const WINPTY_NOEXCEPT override {
return m_what->c_str();
}
private:
// Using a shared_ptr ensures that copying the object raises no exception.
std::shared_ptr<std::wstring> m_what;
};
} // anonymous namespace
void throwWinptyException(const wchar_t *what) {
throw ExceptionImpl(what);
}
void throwWindowsError(const wchar_t *prefix, DWORD errorCode) {
WStringBuilder sb(64);
if (prefix != nullptr) {
sb << prefix << L": ";
}
// It might make sense to use FormatMessage here, but IIRC, its API is hard
// to figure out.
sb << L"Windows error " << errorCode;
throwWinptyException(sb.c_str());
}
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