library_status.cpp

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    }

    //  column header-----------------------------------------------------------//
    int header_depth(const col_node & root){
        col_node::subcolumns_t::const_iterator itr;
        int max_depth = 1;
        for(itr = root.m_subcolumns.begin(); itr != root.m_subcolumns.end(); ++itr){
            max_depth = std::max(max_depth, itr->second.rows);
        }
        return max_depth;
    }

    void header_cell(int rows, int cols, const std::string & name){
        // add row cells
        report << "<td align=\"center\" " ;
        if(1 < cols)
            report << "colspan=\"" << cols << "\" " ;
        if(1 < rows)
            // span rows to the end the header
            report << "rowspan=\"" << rows << "\" " ;
        report << ">" ;
        report << name;
        report << "</td>\n";
    }

    void emit_column_headers(
        const col_node & node, 
        int display_row, 
        int current_row,
        int row_count
    ){
        if(current_row < display_row){
            if(! node.m_subcolumns.empty()){
                col_node::subcolumns_t::const_iterator itr;
                for(itr = node.m_subcolumns.begin(); itr != node.m_subcolumns.end(); ++itr){
                    emit_column_headers(itr->second, display_row, current_row + 1, row_count);
                }
            }
            return;
        }
        if(node.has_leaf && ! node.m_subcolumns.empty()){
            header_cell(row_count - current_row, 1, std::string(""));
        }

        col_node::subcolumns_t::const_iterator itr;
        for(itr = node.m_subcolumns.begin(); itr != node.m_subcolumns.end(); ++itr){
            if(1 == itr->second.rows)
                header_cell(row_count - current_row, itr->second.cols, itr->first);
            else
                header_cell(1, itr->second.cols, itr->first);
        }
    }

    fs::path find_lib_test_dir(){
        // walk up from the path were we started until we find
        // bin or bin.v2

        fs::path::const_iterator leaf_itr = fs::initial_path().end();
        fs::path test_lib_dir = fs::initial_path();
        for(;;){
            if(fs::is_directory( test_lib_dir / "bin.v2")){
                test_lib_dir /= "bin.v2";
                break;
            }
            if(fs::is_directory( test_lib_dir / "bin")){
                // v1 includes the word boost
                test_lib_dir /= "bin";
                test_lib_dir /= "boost";
                break;
            }
            if(test_lib_dir.empty())
                throw std::string("binary path not found");
            if(*leaf_itr != "libs")
                --leaf_itr;
            test_lib_dir.remove_leaf();
        }

        if(leaf_itr == fs::initial_path().end())
            throw std::string("must be run from within a library directory");

        while(leaf_itr != fs::initial_path().end()){
            test_lib_dir /= *leaf_itr++;    // append "libs"
        }
        return test_lib_dir;
    }

    // note : uncomment the #if/#endif and what this compile !!!
    string find_lib_name(fs::path lib_test_dir){
        unsigned int count;
        fs::path::iterator e_itr = lib_test_dir.end();
        for(count =  0;; ++count){
            if(*--e_itr == "libs")
                break;
            if(lib_test_dir.empty())
                throw std::string("must be run from within a library directory");
        }
        string library_name;
        for(;;){
            library_name.append(*++e_itr);
            if(1 == --count)
                break;
            library_name.append("/");
        }
        return library_name;
    }

    fs::path find_boost_root(){
        fs::path boost_root = fs::initial_path();
        for(;;){
            if(fs::is_directory( boost_root / "boost")){
                break;
            }
            if(boost_root.empty())
                throw std::string("boost root not found");
            boost_root.remove_leaf();
        }

        return boost_root;
    }

    //  do_table  ----------------------------------------------------------------//
    void do_table(const string & lib_name)
    {
        col_node root_node;

        fs::path lib_test_dir = find_lib_test_dir();

        for ( fs::directory_iterator itr(lib_test_dir); itr != end_itr; ++itr )
        {
            if(! fs::is_directory(*itr))
                continue;
            build_node_tree(*itr, root_node);
        }

        // visit directory nodes and record nodetree
        report << "<table border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n";

        // emit
        root_node.get_spans();
        int row_count = header_depth(root_node);
        report << "<tr>\n";
        report << "<td rowspan=\"" << row_count << "\">Test Name</td>\n";

        // emit column headers
        int row_index = 0;
        for(;;){
            emit_column_headers(root_node, row_index, 0, row_count);
            report << "</tr>" ;
            if(++row_index == row_count)
                break;
            report << "<tr>\n";
        }

        // now the rest of the table body
        do_table_body(root_node, lib_name, lib_test_dir);

        report << "</table>\n";
   }
}// unnamed namespace

//  main  --------------------------------------------------------------------//

#define BOOST_NO_CPP_MAIN_SUCCESS_MESSAGE
#include <boost/test/included/prg_exec_monitor.hpp>

int cpp_main( int argc, char * argv[] ) // note name!
{
    fs::path comment_path;
    while ( argc > 1 && *argv[1] == '-' )
    {
        if ( argc > 2 && std::strcmp( argv[1], "--compiler" ) == 0 )
        { specific_compiler = argv[2]; --argc; ++argv; }
        else if ( argc > 2 && std::strcmp( argv[1], "--locate-root" ) == 0 )
        { locate_root = fs::path( argv[2], fs::native ); --argc; ++argv; }
        else if ( argc > 2 && std::strcmp( argv[1], "--boost-root" ) == 0 )
        { boost_root = fs::path( argv[2], fs::native ); --argc; ++argv; }
        else if ( argc > 2 && std::strcmp( argv[1], "--comment" ) == 0 )
        { comment_path = fs::path( argv[2], fs::native ); --argc; ++argv; }
        else if ( argc > 2 && std::strcmp( argv[1], "--notes" ) == 0 )
        { notes_path = fs::path( argv[2], fs::native ); --argc; ++argv; }
        else if ( argc > 2 && std::strcmp( argv[1], "--notes-map" ) == 0 )
        { notes_map_path = fs::path( argv[2], fs::native ); --argc; ++argv; }
        else if ( std::strcmp( argv[1], "--ignore-pass" ) == 0 ) ignore_pass = true;
        else if ( std::strcmp( argv[1], "--no-warn" ) == 0 ) no_warn = true;
        else if ( std::strcmp( argv[1], "--v2" ) == 0 )
        {--argc; ++argv ;} // skip
        else if ( argc > 2 && std::strcmp( argv[1], "--jamfile" ) == 0)
        {--argc; ++argv;} // skip
        else { std::cerr << "Unknown option: " << argv[1] << "\n"; argc = 1; }
        --argc;
        ++argv;
    }

    if ( argc != 2 && argc != 3 )
    {
        std::cerr <<
            "Usage: library_status [options...] status-file [links-file]\n"
            "  boost-root is the path to the boost tree root directory.\n"
            "  status-file and links-file are paths to the output files.\n"
            "  options: --compiler name     Run for named compiler only\n"
            "           --ignore-pass       Do not report tests which pass all compilers\n"
            "           --no-warn           Warnings not reported if test passes\n"
		    "           --boost-root path default derived from current path.\n"
		    "           --locate-root path  Path to ALL_LOCATE_TARGET for bjam;\n"
		    "                               default boost-root.\n"
            "           --comment path      Path to file containing HTML\n"
            "                               to be copied into status-file.\n"
            "           --notes path        Path to file containing HTML\n"
            "                               to be copied into status-file.\n"
            "           --notes-map path    Path to file of toolset/test,n lines, where\n"
            "                               n is number of note bookmark in --notes file.\n"
            "Example: compiler_status --compiler gcc /boost-root cs.html cs-links.html\n"
            "Note: Only the leaf of the links-file path and --notes file string are\n"
            "used in status-file HTML links. Thus for browsing, status-file,\n"
            "links-file, and --notes file must all be in the same directory.\n"
            ;
        return 1;
    }

	if(boost_root.empty())
		boost_root = find_boost_root();
	if ( locate_root.empty() ) 
		locate_root = boost_root;

    report.open( fs::path( argv[1], fs::native ) );
    if ( !report )
    {
        std::cerr << "Could not open report output file: " << argv[2] << std::endl;
        return 1;
    }

    if ( argc == 3 )
    {
        fs::path links_path( argv[2], fs::native );
        links_name = links_path.leaf();
        links_file.open( links_path );
        if ( !links_file )
        {
            std::cerr << "Could not open links output file: " << argv[3] << std::endl;
            return 1;
        }
    }
    else no_links = true;

    build_notes_bookmarks();

    const string library_name = find_lib_name(fs::initial_path());

    char run_date[128];
    std::time_t tod;
    std::time( &tod );
    std::strftime( run_date, sizeof(run_date),
        "%X UTC, %A %d %B %Y", std::gmtime( &tod ) );

    report 
        << "<html>\n"
        << "<head>\n"
        << "<title>Boost Library Status Automatic Test</title>\n"
        << "</head>\n"
        << "<body bgcolor=\"#ffffff\" text=\"#000000\">\n"
        << "<table border=\"0\">\n"
        << "<tr>\n"
        << "<td><img border=\"0\" " 
        << "src=\""
        << boost_root / "boost.png"
        << "\" width=\"277\" "
        << "height=\"86\"></td>\n"
        << "<td>\n"
        << "<h1>Library Status: " + library_name + "</h1>\n"
        << "<b>Run Date:</b> "
        << run_date
        << "\n"
        ;

    if ( !comment_path.empty() )
    {
        fs::ifstream comment_file( comment_path );
        if ( !comment_file )
        {
            std::cerr << "Could not open \"--comment\" input file: " << comment_path.string() << std::endl;
            return 1;
        }
        char c;
        while ( comment_file.get( c ) ) { report.put( c ); }
    }

    report << "</td>\n</table>\n<br>\n";

    if ( !no_links )
    {
        links_file
            << "<html>\n"
            << "<head>\n"
            << "<title>Boost Library Status Error Log</title>\n"
            << "</head>\n"
            << "<body bgcolor=\"#ffffff\" text=\"#000000\">\n"
            << "<table border=\"0\">\n"
            << "<tr>\n"
            << "<td><img border=\"0\" src=\""
            << boost_root / "boost.png"
            << "\" width=\"277\" "
            << "height=\"86\"></td>\n"
            << "<td>\n"
            << "<h1>Library Status: " + library_name + "</h1>\n"
            << "<b>Run Date:</b> "
            << run_date
            << "\n</td>\n</table>\n<br>\n"
            ;
    }

    do_table(library_name);

    if ( load_notes_html() ) report << notes_html << "\n";

    report << "</body>\n"
        "</html>\n"
        ;

    if ( !no_links )
    {
        links_file
            << "</body>\n"
            "</html>\n"
            ;
    }
    return 0;
}