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e5e885ae31
# ignore-this-changeset --HG-- extra : amend_source : 7221c8d15a765df71171099468e7c7faa648f37c extra : histedit_source : a0cce6015636202bff09e35a13f72e03257a7695
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_LauncherResult_h
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#define mozilla_LauncherResult_h
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#include "mozilla/Result.h"
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#include "mozilla/WinHeaderOnlyUtils.h"
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namespace mozilla {
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#if defined(MOZILLA_INTERNAL_API)
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template <typename T>
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using LauncherResult = WindowsErrorResult<T>;
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#else
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struct LauncherError {
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LauncherError(const char* aFile, int aLine, WindowsError aWin32Error)
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: mFile(aFile), mLine(aLine), mError(aWin32Error) {}
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const char* mFile;
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int mLine;
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WindowsError mError;
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bool operator==(const LauncherError& aOther) const {
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return mError == aOther.mError;
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}
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bool operator!=(const LauncherError& aOther) const {
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return mError != aOther.mError;
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}
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bool operator==(const WindowsError& aOther) const { return mError == aOther; }
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bool operator!=(const WindowsError& aOther) const { return mError != aOther; }
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};
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template <typename T>
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using LauncherResult = Result<T, LauncherError>;
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#endif // defined(MOZILLA_INTERNAL_API)
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using LauncherVoidResult = LauncherResult<Ok>;
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} // namespace mozilla
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#if defined(MOZILLA_INTERNAL_API)
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# define LAUNCHER_ERROR_GENERIC() \
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::mozilla::Err(::mozilla::WindowsError::CreateGeneric())
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# define LAUNCHER_ERROR_FROM_WIN32(err) \
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::mozilla::Err(::mozilla::WindowsError::FromWin32Error(err))
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# define LAUNCHER_ERROR_FROM_LAST() \
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::mozilla::Err(::mozilla::WindowsError::FromLastError())
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# define LAUNCHER_ERROR_FROM_NTSTATUS(ntstatus) \
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::mozilla::Err(::mozilla::WindowsError::FromNtStatus(ntstatus))
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# define LAUNCHER_ERROR_FROM_HRESULT(hresult) \
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::mozilla::Err(::mozilla::WindowsError::FromHResult(hresult))
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#else
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# define LAUNCHER_ERROR_GENERIC() \
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::mozilla::Err(::mozilla::LauncherError( \
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__FILE__, __LINE__, ::mozilla::WindowsError::CreateGeneric()))
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# define LAUNCHER_ERROR_FROM_WIN32(err) \
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::mozilla::Err(::mozilla::LauncherError( \
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__FILE__, __LINE__, ::mozilla::WindowsError::FromWin32Error(err)))
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# define LAUNCHER_ERROR_FROM_LAST() \
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::mozilla::Err(::mozilla::LauncherError( \
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__FILE__, __LINE__, ::mozilla::WindowsError::FromLastError()))
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# define LAUNCHER_ERROR_FROM_NTSTATUS(ntstatus) \
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::mozilla::Err(::mozilla::LauncherError( \
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__FILE__, __LINE__, ::mozilla::WindowsError::FromNtStatus(ntstatus)))
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# define LAUNCHER_ERROR_FROM_HRESULT(hresult) \
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::mozilla::Err(::mozilla::LauncherError( \
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__FILE__, __LINE__, ::mozilla::WindowsError::FromHResult(hresult)))
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// This macro wraps the supplied WindowsError with a LauncherError
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# define LAUNCHER_ERROR_FROM_MOZ_WINDOWS_ERROR(err) \
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::mozilla::Err(::mozilla::LauncherError(__FILE__, __LINE__, err))
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#endif // defined(MOZILLA_INTERNAL_API)
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// This macro enables moving of a mozilla::LauncherError from a
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// mozilla::LauncherResult<Foo> into a mozilla::LauncherResult<Bar>
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#define LAUNCHER_ERROR_FROM_RESULT(result) ::mozilla::Err(result.unwrapErr())
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#endif // mozilla_LauncherResult_h
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