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71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: $RCSfile$
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Copyright (c) 2005,2006 Sandia Corporation, Kitware Inc.
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All rights reserved.
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ParaView is a free software; you can redistribute it and/or modify it
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under the terms of the ParaView license version 1.2.
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See License_v1.2.txt for the full ParaView license.
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A copy of this license can be obtained by contacting
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Kitware Inc.
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28 Corporate Drive
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Clifton Park, NY 12065
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USA
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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========================================================================*/
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#ifndef pqDebug_h
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#define pqDebug_h
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#include <QDebug>
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#include "pqCoreModule.h"
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/// pqDebugType provides a mechanism for application to define categories for
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/// debugging various components of the UI. By passing an appropriate name for
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/// the envVariable in the constructor, the debug output will only be
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/// generated when that variable is set.
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/// For example, if you want to put out debug messages when an environment
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/// variable MY_DEBUG_FOO is defined, you can do the following:
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/// \code{.cpp}
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/// pqDebug("MY_DEBUG_FOO") << "This will be printed when MY_DEBUG_FOO "
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/// << "is defined.";
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/// \endcode
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class PQCORE_EXPORT pqDebugType
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{
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protected:
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bool Enabled;
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public:
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pqDebugType(const QString& envVariable=QString());
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virtual ~pqDebugType();
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// Casting operator that returns true when the envVariable is set,
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// false otherwise.
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virtual operator bool() const { return this->Enabled; }
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};
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PQCORE_EXPORT QDebug pqDebug(const pqDebugType& type=pqDebugType());
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inline QDebug pqDebug(const QString& type) { return pqDebug(pqDebugType(type)); }
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#include <string>
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inline QDebug &operator<<(QDebug debug, const std::string& stdstring)
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{ debug << stdstring.c_str(); return debug.maybeSpace(); }
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#endif
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