74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/**
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* @file wrapllerrs.h
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* @author Nat Goodspeed
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* @date 2009-03-11
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* @brief Define a class useful for unit tests that engage llerrs (LL_ERRS) functionality
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*
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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#if ! defined(LL_WRAPLLERRS_H)
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#define LL_WRAPLLERRS_H
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#include "llerrorcontrol.h"
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struct WrapLL_ERRS
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{
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WrapLL_ERRS():
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// Resetting Settings discards the default Recorder that writes to
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// stderr. Otherwise, expected llerrs (LL_ERRS) messages clutter the
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// console output of successful tests, potentially confusing things.
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mPriorErrorSettings(LLError::saveAndResetSettings()),
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// Save shutdown function called by LL_ERRS
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mPriorFatal(LLError::getFatalFunction())
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{
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// Make LL_ERRS call our own operator() method
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LLError::setFatalFunction(boost::bind(&WrapLL_ERRS::operator(), this, _1));
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}
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~WrapLL_ERRS()
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{
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LLError::setFatalFunction(mPriorFatal);
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LLError::restoreSettings(mPriorErrorSettings);
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}
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struct FatalException: public std::runtime_error
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{
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FatalException(const std::string& what): std::runtime_error(what) {}
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};
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void operator()(const std::string& message)
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{
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// Save message for later in case consumer wants to sense the result directly
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error = message;
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// Also throw an appropriate exception since calling code is likely to
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// assume that control won't continue beyond LL_ERRS.
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throw FatalException(message);
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}
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std::string error;
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LLError::Settings* mPriorErrorSettings;
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LLError::FatalFunction mPriorFatal;
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};
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#endif /* ! defined(LL_WRAPLLERRS_H) */
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