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51 lines
1.5 KiB
51 lines
1.5 KiB
/* |
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Copyright 2005-2007 Adobe Systems Incorporated |
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Use, modification and distribution are subject to the Boost Software License, |
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Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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http://www.boost.org/LICENSE_1_0.txt). |
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See http://opensource.adobe.com/gil for most recent version including documentation. |
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*/ |
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/*************************************************************************************************/ |
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#ifndef GIL_IO_ERROR_H |
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#define GIL_IO_ERROR_H |
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/// \file |
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/// \brief Handle input-output errors |
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/// \author Lubomir Bourdev and Hailin Jin \n |
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/// Adobe Systems Incorporated |
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/// \date 2005-2007 \n Last updated on May 30, 2006 |
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#include <ios> |
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#include "../../gil_config.hpp" |
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#include <boost/shared_ptr.hpp> |
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namespace boost { namespace gil { |
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inline void io_error(const char* descr) { throw std::ios_base::failure(descr); } |
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inline void io_error_if(bool expr, const char* descr="") { if (expr) io_error(descr); } |
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namespace detail { |
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class file_mgr { |
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protected: |
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shared_ptr<FILE> _fp; |
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struct null_deleter { void operator()(void const*) const {} }; |
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file_mgr(FILE* file) : _fp(file, null_deleter()) {} |
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file_mgr(const char* filename, const char* flags) { |
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FILE* fp; |
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io_error_if((fp=fopen(filename,flags))==NULL, "file_mgr: failed to open file"); |
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_fp=shared_ptr<FILE>(fp,fclose); |
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} |
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public: |
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FILE* get() { return _fp.get(); } |
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}; |
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} |
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} } // namespace boost::gil |
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#endif
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