flash-multigraph/make-examples at master · multigraph/flash-multigraph · GitHub

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#! /usr/bin/perl

sub sys {
    my $cmd = shift;
    print("$cmd\n");
    return system($cmd);
}

sub source_highlight {
    my $infile = shift;
    my $outfile = shift;
    my $hitext = "";
    open(SI, "source-highlight -i $infile |");
    while (<SI>) { $hitext .= $_; }
    close(SI);
    if ($outfile) {
        open(SO, ">$outfile");
        print SO $hitext;
        close(SO);
    } else {
        return $hitext;
    }
}

##
## clean out the html/examples dir by remove and recreating it
##
system("/bin/rm -rf html/examples");
mkdir("html/examples");

##
## find all the directories containing an "example.txt" file in the html/tests directory tree
##
@testdirs = ();
open(FIND , "find html/tests -name example.txt|");
while (chomp($file = <FIND>)) {
    $dir = $file;
    $dir =~ s|html/tests/||;
    $dir =~ s|/[^/]+$||;
    push(@testdirs, $dir);
}
close(FIND);
@testdirs = sort(@testdirs);

@tests = ();
foreach $dir (@testdirs) {
    $test = parse_example_txt("html/tests/$dir/example.txt");
    $test->{dir} = $dir;
    push(@tests, $test);
}

##
## create each example (each "test" becomes an "example"):
##
for ($i=0; $i<@tests; ++$i) {
    $test = $tests[$i];
    $dir = $test->{dir};
    $prev_test = $i > 0 ? $tests[$i-1] : undef;
    $next_test = $i < @tests ? $tests[$i+1] : undef;

    print "creating example '$dir' ...";

    if ($test->{htmlfile}) {
        $htmlfile = $test->{htmlfile};
        # if there's an html file specified in the example.txt file, parse it
        $html = parse_mg_html("html/tests/$dir/$htmlfile");
    } else {
        # otherwise, example all html file in the dir, and use the first one found
        # that seems to contain a multigraph graph
        foreach $f (<html/tests/$dir/*>) {
            if ($f =~ /\.html$/) {
                $html = parse_mg_html($f);
                if ($html && $html->{graphs} && @{$html->{graphs}}) {
                    $htmlfile = $f;
                    $htmlfile =~ s|^html/tests/$dir/||;
                    last;
                }
                $html = undef;
            }
        }
    }

    # if we didn't find an html file for this test, skip it
    if (!$html) { next; }

    # create the dir for this test
    system("mkdir -p html/examples/$dir");

    # keep track of which files we've copied
    $file_was_copied = {};

    # copy the html file
    #system("cp 'html/tests/$dir/$htmlfile' 'html/examples/$dir/frameless-$htmlfile'");
    decorate_html_file("html/tests/$dir/$htmlfile", "html/examples/$dir/frameless-$htmlfile",
                       $test, $prev_test, $next_test);
    $file_was_copied->{$htmlfile} = 1;

    # copy the mugl file(s), and create source-highlighted version(s):
    foreach $g (@{$html->{graphs}}) {
        $mugl = $g->{mugl};
        system("cp 'html/tests/$dir/$mugl' 'html/examples/$dir'");
        $file_was_copied->{$mugl} = 1;
        source_highlight("html/tests/$dir/$mugl", "html/examples/$dir/$mugl.html");
    }

    # create index.html file
    create_html_frames_file("html/examples/$dir/index.html",
                            $test,
                            $html->{graphs}->[0]->{height}+120,
                            "*",
                            "frameless-$htmlfile",
                            $html->{graphs}->[0]->{mugl}.".html");

    # copy all other files
    $excludes = "--exclude='*.svn*' --exclude='*~' "
        . join(" ", map { "--exclude=$_" } keys(%$file_was_copied));
    system("(cd html/tests/$dir ; tar -c -f - $excludes . ) | (cd html/examples/$dir ; tar xf -)");

    print " done.\n";

}

##
## create the example index file
##
open(OUT, ">html/examples/index.html");
print OUT qq|<html>
<head>
<title>Multigraph Examples</title>
</head>
<body>
<h2>Multigraph Examples</h2>
<ul>
|;
foreach $test (@tests) {
    printf(OUT qq|<li><a href="%s">%s</a>\n|,
           $test->{dir},
           $test->{title});
}
print OUT qq|
</ul>
</body>
</html>
|;
close(OUT);

exit;

sub count_slashes {
    my $x = shift;
    my @x = split("", $x);
    my $count = 0;
    foreach my $c (@x) {
        if ($c eq "/") { ++$count; }
    }
    return $count;
}

sub decorate_html_file {
    my $infile     = shift;
    my $outfile    = shift;
    my $this_test  = shift;
    my $prev_test  = shift;
    my $next_test  = shift;
    my $level = count_slashes($this_test->{dir}) + 1;
    my $homedir = "../"x$level;

    my $line;
    open(DECORATE_HTML_FILE_IN, "<$infile");
    open(DECORATE_HTML_FILE_OUT, ">$outfile");
    while ($line=<DECORATE_HTML_FILE_IN>) {
        print DECORATE_HTML_FILE_OUT $line;
        if ($line =~ /<body/) { last; }
    }
    printf(DECORATE_HTML_FILE_OUT qq|<center>
<table width="100%" border="0" cellpadding="0" cellspacing="0"><tr>
<td valign="top" width="20%" align="left">%s</td>
<td valign="top" width="60%" align="center"><a target="_top" href="$homedir">Up: Example Index</a></td>
<td valign="top" width="20%" align="right">%s</td>
</tr></table>
<hr>
<b><font size="+2">%s</font></b><br>
<table><tr><td>\n|,
           $prev_test ? sprintf(qq|<a target="_top" href="$homedir%s">Previous: %s</a>|, $prev_test->{dir}, $prev_test->{title}) : "",
           $next_test ? sprintf(qq|<a target="_top" href="$homedir%s">Next: %s</a>|, $next_test->{dir}, $next_test->{title}) : "",
           $this_test->{title}
        );
    while ($line=<DECORATE_HTML_FILE_IN>) {
        if ($line =~ m|</body>|) {
            printf(DECORATE_HTML_FILE_OUT "</td><td>&nbsp;&nbsp;&nbsp;</td><td>%s</td></tr></table></center>\n",
                   $this_test->{description});
        }
        print DECORATE_HTML_FILE_OUT $line;
    }
    close(DECORATE_HTML_FILE_OUT);
    close(DECORATE_HTML_FILE_IN);
}

sub trim {
    my $x = shift;
    $x =~ s/^\s+//;
    $x =~ s/\s+$//;
    return $x;
}

sub parse_example_txt {
    my $file = shift;
    my $key = undef;
    my $value = "";
    my $line = undef;
    my $x;
    my $h = {};
    open(IN, "<$file");
    while ($line=<IN>) {
        if ( ($x) = ($line =~ /^\[([^\]]+)\]/) ) {
            $key = $x;
            $h->{$key} = "";
        } else {
            if (defined($key)) {
                $h->{$key} .= $line;
            }
        }
    }
    foreach $key (keys %{$h}) {
        $h->{$key} = trim($h->{$key});
    }
    return $h;
}

sub create_html_frames_file {
    my $outfile = shift;
    my $test  = shift;
    my $rows    = shift;
    my $cols    = shift;
    my $graph_frame_src = shift;
    my $mugl_frame_src  = shift;
    open(OUT, ">$outfile");
    printf(OUT <<EOF
           <HTML>
           <HEAD>
           <TITLE>Multigraph Example: %s</TITLE>
           </HEAD>
           <FRAMESET rows="%s,%s">
           <FRAME src="%s">
           <FRAME src="%s">
           </FRAMESET>
           </HTML>
EOF
           ,
           $test->{title},
           $rows,
           $cols,
           $graph_frame_src,
           $mugl_frame_src);
    close(OUT);
}

sub parse_mg_html {
    my $file = shift;
    my $mginfo = {
        file => $file,
        graphs => []
    };
    my $contents = "";
    open(PARSE_MG_HTML_IN, "<$file");
    my $line;
    while ($line=<PARSE_MG_HTML_IN>) {
        $contents .= $line;
    }
    close(PARSE_MG_HTML_IN);
    $contents =~ s/(new Multigraph\(.*\))/$1\n/g;
    my @lines = split(/\n/, $contents);
    foreach $line (@lines) {
        if (($div,$mugl,$x,$width,$height) = ($line =~ /new\s*Multigraph\(\s*'([^']+)'\s*,\s*'([^']+)'\s*(,\s*\[\s*(\d+)\s*,\s*(\d+)\s*\]\s*)?.*\)/)) {
            push(@{$mginfo->{'graphs'}}, {
                div => $div,
                mugl => $mugl,
                width => $width,
                height => $height
                 });
        }
    }
    return $mginfo;
}