.
**
** debug.class - Debug Functionality for ITools
*/
/**
* Debug functions
*/
class it_debug
{
var $level;
/**
* Constructor
* @param $level Debug level. All debug() calls with a level <= $level are shown.
*/
function it_debug($level=0)
{
$this->level = isset($GLOBALS['debug_level']) ? $GLOBALS['debug_level'] : $level;
}
/**
* Output a message if the global debug level is higher or the same as $level
* @param $text Message to display
* @param $level Debug level
*/
function debug($text, $level = 0)
{
if ($this->level >= $level)
{
echo (isset($_SERVER['REMOTE_ADDR']) ? nl2br("$level $text\n") : "$level $text")."\n";
flush();
}
}
/**
* Get source line of grandparent calling this function
* @param $stacksoffs go up an extra $stacksoffs levels
*/
function srcline($stackoffs = 0)
{
$stack = debug_backtrace();
$line = $stack[1 + $stackoffs]['line'];
$file = $stack[1 + $stackoffs]['file'];
if (!isset($GLOBALS['it_debug::dump source'][$file]))
$GLOBALS['it_debug::dump source'][$file] = file($file);
return $GLOBALS['it_debug::dump source'][$file][$line-1];
}
/**
* Backend for functions D(), ED() and EDX() in functions.php
* @param Origargs Array containing original arguments do ED() etc
* @return String representation of dump
*/
function dump($args)
{
if (ereg('(csv|txt|gif|jpg)', $_SERVER['PHP_SELF']) || !$_SERVER['HTTP_USER_AGENT'])
$plain = 1;
else if ($_SERVER['REMOTE_ADDR'])
{
$blue = "";
$noblue = "";
}
else if (getenv('USER') != 'cschneid') # ;)
{
$blue = "\033[34m";
$noblue = "\033[m";
$red = "\033[31m";
$nored = "\033[m";
}
$src = it_debug::srcline(1);
list($function, $paramlist) = it::match('\b(D|ED|EDC|EDX)\s*\((.*)', $src);
$paramtokens = token_get_all("([^\n]+),#", 'var \$$1 = $2;', $values);
$item = $head . "class $classname { $values }$tail";
}
$item = preg_replace("#(=>?)\s*\n\s*(array|class)#", '$1 $2', $item); # array( and class on same line as key
$item = preg_replace('#array \(\s+([^({,;]+),\s+\)#', 'array( $1 )', $item); # 1-element arrays on 1 line
$item = preg_replace('#class (\S+) \{\s+([^({,;]+;)?\s+\}#', 'class $1 { $2 }', $item); # 1-element objects on 1 line
#$item = preg_replace('#\{\s*var \$attr#', '{ var $attr', $item); # move $attr on same line
$item = preg_replace("#\\(\s*\n\s*\\)#", "()", $item); # empty arrays on 1 line
#$item = preg_replace('#\s+var \$_(.|\n)*?;\s*\n#', "", $item);
$item = "$red$item$nored";
if (isset($_SERVER['REMOTE_ADDR']) && !$plain)
$item = htmlspecialchars($item);
if (ereg('^[\'"]', $var))
$r .= "$item ";
else {
$var = "$blue$var=$noblue";
$r .= $previtem && preg_match("/\n/", $item . $previtem) ? "\n$var$item " : "$var$item ";
$previtem = $item;
}
}
if ($GLOBALS['debug_indent'])
$r = str_repeat(" ", count(debug_backtrace())-3) . $r;
$title = htmlspecialchars(it_debug::backtrace(array('skiplevels' => 1)));
if (isset($_SERVER['REMOTE_ADDR']) && !$plain)
return "$r
\n";
else
return "$r\n";
}
/**
* Return short stackdump
* @param $p['levels'] number of stack levels to return (default: 0 = all)
* @param $p['skiplevels'] number of stack levels to omit
* @param $p['skipfiles'] regular expression of filenames to omit
*/
function backtrace($p = array())
{
if (!is_array($p))
$p = array('skiplevels' => $p);
$p += array('levels' => 0, 'skiplevels'=> 0, 'skipfiles' => "###");
if (!function_exists('memory_get_usage') || (memory_get_usage() < 50000000))
{
foreach (array_slice(debug_backtrace(), $p['skiplevels'] + 1) as $call)
{
if (($fn = $call['file']) && !it::match($p['skipfiles'], $call['file']))
{
$fn = (it::match('auto_prepend', $fn) ? basename(dirname(dirname($fn))) . "/" : "") . basename($fn);
$result[] = $fn . ":" . $call['line'];
if (--$p['levels'] == 0)
break;
}
}
}
return join(" ", (array)$result);
}
}
?>