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<?php
class CodeCounter {
const MULTILINE_COMMENT = 0x01;
private $dir = null;
private $ext = null;
public function __construct($dir = '.', $ext = '*') {
$this->dir = $dir;
if($ext == '*') {
$this->ext = "/.*/si";
} else {
$e = explode('|', $ext);
foreach($e as &$ext) {
$ext = trim($ext);
if($ext == '')
unset($ext);
}
$r = implode('|', $e);
$this->ext = "/.*\.({$r})$/si";
}
}
public function calculate() {
$lines = 0;
$args = func_get_args();
if(count($args) == 0)
$dir = $this->dir;
else
$dir = $args[0];
if(file_exists($dir) && is_dir($dir)) {
$list = scandir($dir);
foreach($list as $item) {
if($item == '.' || $item == '..')
continue;
$fullItem = realpath($dir . DIRECTORY_SEPARATOR . $item);
if(is_dir($fullItem)) {
$lines += $this->calculate($fullItem);
} else {
if(preg_match($this->ext, $item)) {
echo "Calculating lines in {$fullItem}: ";
$_lines = self::count($fullItem);
echo "{$_lines}\n";
$lines += $_lines;
}
}
}
}
return $lines;
}
private static function count($file) {
$lines = 0;
$d = null;
if(file_exists($file) && ($file = file($file))) {
foreach($file as $line) {
$line = trim($line);
if($line == '')
continue;
if( substr($line, 0, 2) == '//' || //single line comment
substr($line, 0, 1) == '#' || //single line comment
substr($line, 0, 2) == '<?' || //php open tag
substr($line, 0, 2) == '?>' //php close tags
)
continue;
if(($pos = strpos('/*', $line)) !== false) {
if($pos == 0) {
if(strpos('*/', $line, $pos) === false) {
$d = self::MULTILINE_COMMENT;
}
} else {
$lines++;
}
continue;
}
if($d == self::MULTILINE_COMMENT) {
if(strpos('*/', $line) !== false) {
$d = null;
}
continue;
}
$lines++;
}
}
return $lines;
}
}
$counter = new CodeCounter('./amapys', 'php|js');
$lines = $counter->calculate();
echo "\nTotal: {$lines} lines\n";
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