| <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' |
| 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'> |
| <html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'> |
| <head> |
| <meta http-equiv='Content-Type' content='text/html; charset=utf-8'/> |
| <title>errinfo_at_line</title> |
| <link href='reno.css' type='text/css' rel='stylesheet'/> |
| </head> |
| <body> |
| <div class="body-0"> |
| <div class="body-1"> |
| <div class="body-2"> |
| <div> |
| <div id="boost_logo"> |
| <a href="http://www.boost.org"><img style="border:0" src="../../../boost.png" alt="Boost" width="277" height="86"/></a> |
| </div> |
| <h1>Boost Exception</h1> |
| </div> |
| <!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. --> |
| <!-- Distributed under the Boost Software License, Version 1.0. (See accompanying --> |
| <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> |
| <div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>errinfo_at_line</h3> |
| </div> |
| <div class="RenoIncludeDIV"><p><span class="RenoEscape">#<!--<wiki>`#</wiki>--></span>include <<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>></p> |
| <div class="RenoIncludeDIV"><pre>#include <<span class="RenoLink"><a href="boost_exception_error_info_hpp.html">boost/exception/error_info.hpp</a></span>> |
| |
| namespace |
| boost |
| { |
| <span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span><struct errinfo_at_line_,int> <span class="RenoLink">errinfo_at_line</span>;</span></span> |
| }</pre> |
| </div></div><p>This type is designed to be used as a standard <span class="RenoLink"><a href="error_info.html">error_info</a></span> instance for transporting a relevant text file line number, for example in parse error exceptions deriving from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p> |
| <h3>Example:</h3> |
| <div class="RenoIncludeDIV"><pre>#include <<span class="RenoLink"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp</a></span>> |
| #include <<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>> |
| #include <<span class="RenoLink"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp</a></span>> |
| #include <<span class="RenoLink"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp</a></span>> |
| #include <<span class="RenoLink"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp</a></span>> |
| #include <<span class="RenoLink"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp</a></span>> |
| #include <<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>> |
| #include <<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>> |
| #include <boost/shared_ptr.hpp> |
| #include <boost/weak_ptr.hpp> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <exception> |
| |
| struct error : virtual std::exception, virtual boost::<span class="RenoLink"><a href="exception.html">exception</a></span> { }; |
| struct file_error : virtual error { }; |
| struct file_open_error: virtual file_error { }; |
| struct file_read_error: virtual file_error { }; |
| |
| boost::shared_ptr<FILE> |
| open_file( char const * file, char const * mode ) |
| { |
| if( FILE * f=fopen(file,mode) ) |
| return boost::shared_ptr<FILE>(f,fclose); |
| else |
| <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>( |
| file_open_error() << |
| boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fopen") << |
| boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) << |
| boost::<span class="RenoLink"><a href="errinfo_file_name.html">errinfo_file_name</a></span>(file) << |
| boost::<span class="RenoLink"><a href="errinfo_file_open_mode.html">errinfo_file_open_mode</a></span>(mode) ); |
| } |
| |
| size_t |
| read_file( boost::shared_ptr<FILE> const & f, void * buf, size_t size ) |
| { |
| size_t nr=fread(buf,1,size,f.get()); |
| if( ferror(f.get()) ) |
| <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>( |
| file_read_error() << |
| boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fread") << |
| boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) << |
| boost::<span class="RenoLink"><a href="errinfo_file_handle.html">errinfo_file_handle</a></span>(f) ); |
| return nr; |
| }</pre> |
| </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div> |
| See also: <span class="RenoPageList"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span> |
| </div> |
| <!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. --> |
| <!-- Distributed under the Boost Software License, Version 1.0. (See accompanying --> |
| <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> |
| <div id="footer"> |
| <p> |
| <a class="logo" href="http://jigsaw.w3.org/css-validator/check/referer"><img class="logo_pic" src="valid-css.png" alt="Valid CSS" height="31" width="88"/></a> |
| <a class="logo" href="http://validator.w3.org/check?uri=referer"><img class="logo_pic" src="valid-xhtml.png" alt="Valid XHTML 1.0" height="31" width="88"/></a> |
| <small>Copyright (c) 2006-2009 by Emil Dotchevski and Reverge Studios, Inc.<br/> |
| Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small> |
| </p> |
| </div> |
| </div> |
| </div> |
| </div> |
| </body> |
| </html> |
