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