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Open Source Computer Vision Library
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97 lines
3.3 KiB
97 lines
3.3 KiB
12 years ago
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///////////////////////////////////////////////////////////////////////////
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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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