PHP统计目录下的文件总数及代码行数去除注释及空行

<?PHP
/
@author xiaoxiao [e-mail] 2011-1-12
@link http://xiaoyaoxia.cnblogs.com/
@license
统计目录下的文件行数及总文件数··去除注释
*/ $obj = new CaculateFiles();
//如果设置为false,这不会显示每个文件的信息，否则显示
$obj->setShowFlag(false);
//会跳过所有All开头的文件
$obj->setFileSkip(array('All'));
$obj->run("D:\PHPAPP\PHP_tests"); //所有文件，（默认格式为.PHP)
$obj->setFileSkip(array());
$obj->run("D:\PHPAPP\PHP"); $obj->setShowFlag(true);
//跳过所有I和A开头的文件，（比如接口和抽象类开头）
$obj->setFileSkip(array('I','A'));
$obj->run("D:\PHPAPP\PHP");
/*
执行目录中文件的统计（包括文件数及总行数

1、跳过文件的时候：
匹配的规则只是从文件名上着手，匹配的规则也仅限在开头。
2、跳过文件中的注释行：
匹配的规则只是从注释段落的头部匹配，如果出现// 及 及 #及/开头的行及空行会被跳过。所以类似/这种多汗注释，每行的开头都必须加上号，否则无法匹配到这种的注释。
3、目录过滤：
匹配的规则是从目录名的全名匹配
/
class CaculateFiles {
/
统计的后缀
/
private $ext = ".PHP";
/
是否显示每个文件的统计数
/
private $showEveryFile = true;
/
文件的的跳过规则
/
private $fileSkip = array();
/
统计的跳过行规则
/
private $lineskip = array("","/","//","#");
/
统计跳过的目录规则
/
private $dirskip = array(".","..",'.svn'); public function __construct($ext = '',$dir = '',$showEveryFile = true,$dirskip = array(),$lineskip = array(),$fileSkip = array()) {
$this->setExt($ext);
$this->setDirskip($dirskip);
$this->setFileSkip($fileSkip);
$this->setLineskip($lineskip);
$this->setShowFlag($showEveryFile);
$this->run($dir);
} public function setExt($ext) {
trim($ext) && $this->ext = strtolower(trim($ext));
}
public function setShowFlag($flag = true) {
$this->showEveryFile = $flag;
}
public function setDirskip($dirskip) {
$dirskip && is_array($dirskip) && $this->dirskip = $dirskip;
}
public function setFileSkip($fileSkip) {
$this->fileSkip = $fileSkip;
}
public function setLineskip($lineskip) {
$lineskip && is_array($lineskip) && $this->lineskip = array_merge($this->lineskip,$lineskip);
}
/
执行统计
@param string $dir 统计的目录
*/
public function run($dir = '') {
if ($dir == '') return;
if (!is_dir($dir)) exit('Path error!');
$this->dump($dir,$this->readDir($dir));
} /*
显示统计结果
@param string $dir 目录
@param array $result 统计结果（包含总行数，有效函数，总文件数
*/
private function dump($dir,$result) {
$totalLine = $result['totalLine'];
$lineNum = $result['lineNum'];
$fileNum = $result['fileNum'];
echo "***\r\n
";
echo $dir . ":\r\n
";
echo "TotalLine: " . $totalLine . "\r\n
";
echo "TotalLine with no comment and empty: " . $lineNum . "\r\n
";
echo 'TotalFiles:' . $fileNum . "\r\n
";
} /
读取目录
@param string $dir 目录
*/
private function readDir($dir) {
$num = array('totalLine' => 0,'lineNum' => 0,'fileNum' => 0);
if ($dh = opendir($dir)) {
while (($file = readdir($dh)) !== false) {
if ($this->skipDir($file)) continue;
if (is_dir($dir . '/' . $file)) {
$result = $this->readDir($dir . '/' . $file);
$num['totalLine'] += $result['totalLine'];
$num['lineNum'] += $result['lineNum'];
$num['fileNum'] += $result['fileNum'];
} else {
if ($this->skipFile($file)) continue;
list($num1,$num2) = $this->readfiles($dir . '/' . $file);
$num['totalLine'] += $num1;
$num['lineNum'] += $num2;
$num['fileNum']++;
}
}
closedir($dh);
} else {
echo 'open dir <' . $dir . '> error!' . "\r";
}
return $num;
} /*
读取文件
@param string $file 文件
/
private function readfiles($file) {
$str = file($file);
$linenum = 0;
foreach ($str as $value) {
if ($this->skipLine(trim($value))) continue;
$linenum++;
}
$totalnum = count(file($file));
if (!$this->showEveryFile) return array($totalnum,$linenum);
echo $file . "\r\n";
echo 'TotalLine in the file:' . $totalnum . "\r\n";
echo 'TotalLine with no comment and empty in the file:' . $linenum . "\r\n";
return array($totalnum,$linenum);
} /
执行跳过的目录规则
@param string $dir 目录名
*/
private function skipDir($dir) {
if (in_array($dir,$this->dirskip)) return true;
return false;
} /*
执行跳过的文件规则
@param string $file 文件名
/
private function skipFile($file) {
if (strtolower(strrchr($file,'.')) != $this->ext) return true;
if (!$this->fileSkip) return false;
foreach ($this->fileSkip as $skip) {
if (strpos($file,$skip) === 0) return true;
}
return false;
} /*
执行文件中行的跳过规则
@param string $string 行内容
/
private function skipLine($string) {
if ($string == '') return true;
foreach ($this->lineskip as $tag) {
if (strpos($string,$tag) === 0) return true;
}
return false;
}
}