103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
// minmax_check implementation --------------------------------------------//
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// Copyright Beman Dawes 2002.
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// Copyright Gennaro Prota 2006.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (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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#include <algorithm>
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#include "minmax_check.hpp"
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#include "boost/regex.hpp"
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#include "boost/lexical_cast.hpp"
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namespace
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{
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boost::regex minmax_regex(
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"("
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"^\\s*#\\s*undef\\s*" // # undef
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"\\b(min|max)\\b" // followed by min or max, whole word
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")"
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"|" // or (ignored)
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"("
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"//[^\\n]*" // single line comments (//)
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"|"
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"/\\*.*?\\*/" // multi line comments (/**/)
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"|"
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"\"(?:\\\\\\\\|\\\\\"|[^\"])*\"" // string literals
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")"
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"|" // or
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"("
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"\\b(min|max)\\b" // min or max, whole word
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"\\s*\\(" // followed by 0 or more spaces and an opening paren
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")"
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, boost::regex::normal);
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} // unnamed namespace
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namespace boost
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{
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namespace inspect
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{
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// minmax_check constructor -------------------------------------------//
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minmax_check::minmax_check()
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: m_errors(0)
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{
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// C/C++ source code...
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register_signature( ".c" );
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register_signature( ".cpp" );
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register_signature( ".cxx" );
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register_signature( ".h" );
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register_signature( ".hpp" );
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register_signature( ".hxx" );
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register_signature( ".inc" );
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register_signature( ".ipp" );
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}
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// inspect ( C++ source files ) ---------------------------------------//
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void minmax_check::inspect(
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const string & library_name,
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const path & full_path, // example: c:/foo/boost/filesystem/path.hpp
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const string & contents) // contents of file to be inspected
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{
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if (contents.find( "boostinspect:" "nominmax" ) != string::npos) return;
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boost::sregex_iterator cur(contents.begin(), contents.end(), minmax_regex), end;
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for( ; cur != end; ++cur /*, ++m_errors*/ )
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{
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if(!(*cur)[3].matched)
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{
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string::const_iterator it = contents.begin();
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string::const_iterator match_it = (*cur)[0].first;
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string::const_iterator line_start = it;
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string::size_type line_number = 1;
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for ( ; it != match_it; ++it) {
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if (string::traits_type::eq(*it, '\n')) {
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++line_number;
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line_start = it + 1; // could be end()
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}
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}
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++m_errors;
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error( library_name, full_path, string(name())
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+ " violation of Boost min/max guidelines on line "
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+ boost::lexical_cast<string>( line_number ) );
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}
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}
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}
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} // namespace inspect
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} // namespace boost
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