minmax_check.cpp

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//  minmax_check implementation  -----------------------------------------------//

//  Copyright Beman Dawes 2002.
//  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)

#include "minmax_check.hpp"
#include <boost/regex.hpp>
#include <boost/lexical_cast.hpp>

namespace
{
boost::regex minmax_regex (
    "\\b(min|max)\\b" // match min or max, whole word
    "\\s*\\(",        // followed by 0 or more spaces and an opening paren
    boost::regex::normal);

} // unnamed namespace

namespace boost
{
namespace inspect
{

//  minmax_check constructor  --------------------------------------------------//

minmax_check::minmax_check()
    : m_errors (0)
{
    // C/C++ source code...
    register_signature ( ".c" );
    register_signature ( ".cpp" );
    register_signature ( ".cxx" );
    register_signature ( ".h" );
    register_signature ( ".hpp" );
    register_signature ( ".hxx" );
    register_signature ( ".inc" );
    register_signature ( ".ipp" );
}

//  inspect ( C++ source files )  ----------------------------------------------//

void minmax_check::inspect (
    const string& library_name,
    const path& full_path,       // example: c:/foo/boost/filesystem/path.hpp
    const string& contents)      // contents of file to be inspected
{
    boost::sregex_iterator cur (contents.begin(), contents.end(), minmax_regex), end;

    for ( ; cur != end; ++cur, ++m_errors )
    {
        std::string linenbr = std::to_string (
                                  std::count ( contents.begin(), (*cur) [0].first, '\n' ) + 1);

        error ( library_name, full_path, "violation of Boost min/max guidelines on line " + linenbr );
    }
}

} // namespace inspect
} // namespace boost