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Open Source Computer Vision Library
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96 lines
3.3 KiB
96 lines
3.3 KiB
/////////////////////////////////////////////////////////////////////////// |
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// |
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// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas |
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// Digital Ltd. LLC |
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// |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Industrial Light & Magic nor the names of |
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// its contributors may be used to endorse or promote products derived |
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// from this software without specific prior written permission. |
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// |
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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 COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// |
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/////////////////////////////////////////////////////////////////////////// |
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#ifndef INCLUDED_IEXTHROWERRNOEXC_H |
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#define INCLUDED_IEXTHROWERRNOEXC_H |
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//---------------------------------------------------------- |
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// |
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// A function which throws ExcErrno exceptions |
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// |
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//---------------------------------------------------------- |
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#include "IexBaseExc.h" |
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namespace Iex { |
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//-------------------------------------------------------------------------- |
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// |
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// Function throwErrnoExc() throws an exception which corresponds to |
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// error code errnum. The exception text is initialized with a copy |
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// of the string passed to throwErrnoExc(), where all occurrences of |
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// "%T" have been replaced with the output of strerror(oserror()). |
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// |
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// Example: |
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// |
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// If opening file /tmp/output failed with an ENOENT error code, |
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// calling |
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// |
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// throwErrnoExc (); |
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// |
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// or |
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// |
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// throwErrnoExc ("%T."); |
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// |
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// will throw an EnoentExc whose text reads |
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// |
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// No such file or directory. |
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// |
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// More detailed messages can be assembled using stringstreams: |
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// |
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// std::stringstream s; |
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// s << "Cannot open file " << name << " (%T)."; |
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// throwErrnoExc (s); |
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// |
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// The resulting exception contains the following text: |
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// |
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// Cannot open file /tmp/output (No such file or directory). |
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// |
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// Alternatively, you may want to use the THROW_ERRNO macro defined |
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// in IexMacros.h: |
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// |
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// THROW_ERRNO ("Cannot open file " << name << " (%T).") |
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// |
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//-------------------------------------------------------------------------- |
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void throwErrnoExc (const std::string &txt, int errnum); |
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void throwErrnoExc (const std::string &txt = "%T." /*, int errnum = oserror() */); |
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} // namespace Iex |
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#endif
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