prettyprint gprof inclusive time tree

gprof-inclusivetimetree-html.php

<?php
$f = fopen('php://stdin', 'r');

echo <<<EOT
<style>
ul { margin-left:0; padding-left:1em; border-left:solid 2px #999; }
li { list-style:none; padding-bottom:1ex; }
b { cursor:pointer; }
b:before { content:'- '; }
li.leaf > b:before { content:''; }
li.collapse > ul { display:none; }
li.collapse > b:before { content:'+ '; }
</style>
EOT;

$currentIndent = -1;
while (FALSE !== ($l = fgets($f))) {
  $l = rtrim($l);
  $pos = strpos($l, '+');
  $isLeaf = FALSE;
  if ($pos === FALSE) {
    $pos = strpos($l, '|-- ');
    if ($pos === FALSE) {
      continue;
    }
    $pos += 2;
    $isLeaf = TRUE;
  }
  $indent = $pos / 2;
  for (; $currentIndent < $indent; ++$currentIndent) {
    echo "<ul>\n";
  }
  for (; $currentIndent > $indent; --$currentIndent) {
    echo "</ul>\n";
  }
  list($time, $func, $funcid) = explode("\t", substr($l, $pos + 2));
  printf("<li class=\"%s\"><b>%s</b> <code>%s</code> <i>%s</i>\n",
         $isLeaf ? 'leaf' : 'collapse',
         $time, htmlspecialchars($func), $funcid);
}

echo <<<EOT
<script src="https://code.jquery.com/jquery-2.2.2.min.js"></script>
<script>
$('li:not(.leaf) > b').click(function(){
  $(this).parent().toggleClass('collapse');
});
</script>
EOT;
?>