classnamescanner-002

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<?php
/**
 * ClassScanner v0.0.2
 *
 * Naar een idee van Richard van Velzen.
 * http://www.phphulp.nl/php/scripts/4/1604/
 *
 * Richard had een functie geschreven om zijn classen en interfaces te
 * zoeken in de include paths. Dat bracht mij op het idee om er een class
 * voor te schrijven.
 *
 * Je kan er een directory met scannen al of niet recursief. Er is ook
 * een functie die enkel één bestand scant.
 *
 * Ik heb ook een mini-api geschreven die de resultaten toont voor mijn
 * localhost. Voor zij die er zin in hebben kunnen een formulier maken
 * waar je de directory in opgeeft (opzoekt?!) en zo de resultaten laat
 * opzoeken.
 *
 * Have fun.
 *
 * @author Marc Cools
 */

class THF_Tool_ClassScanner
{
    // Settings
    private $_directoryToScan;
    private $_treeScan;
    private $_extensions;

    // Results
    private $_scanFileResults;
    private $_scanDirectoryResults;
    private $_notReadableFiles;
    private $_elapsedTime;
    private $_peakMemory;

    // Magic functions
    
    public function __construct($directoryToScan=NULL, $treeScan=TRUE, $extensions=array('php','inc'))
    {
        $this->_directoryToScan     = $directoryToScan;
        $this->_treeScan             = $treeScan;
        $this->_extensions             = $extensions;

        $this->_resetResults();
    }

    public function __set($name, $value)
    {
        switch( strtolower($name) )
        {
            case 'directory':
            case 'directorytoscan':
                $this->_directoryToScan = trim($value);
                break;
            case 'tree':
            case 'treescan':
                $this->_treeScan = (bool) $value;
                break;
            case 'extensions':
                if( NULL===$value ) $value = array();
                if( ! is_array($value) ) $value = array($value);
                $this->_extensions = $value;
                break;
            default:
                throw new InvalidArgumentException
                ('Unknown name for __set methode.');
                break;
        }
    }

    public function __get($name)
    {
        switch( strtolower($name) )
        {
            case 'directory':
            case 'directorytoscan':
                return $this->_directoryToScan;
                break;
            case 'tree':
            case 'treescan':
                return $this->_treeScan;
                break;
            case 'extensions':
                return $this->_extensions;
                break;
            case 'fileresults':
            case 'scanfileresults':
                return $this->_scanFileResults;
                break;
            case 'results':
            case 'directoryresults':
            case 'scandirectoryresults':
                return $this->_scanDirectoryResults;
                break;
            case 'notreadable':
            case 'notreadablefiles':
                return $this->_notReadableFiles;
                break;
            case 'time':
            case 'elapsed':
            case 'elapsedtime':
                return $this->_elapsedTime;
                break;
            case 'bytes':
            case 'memory':
            case 'peakmemory':
                return $this->_peakMemory;
                break;
            default:
                throw new InvalidArgumentException
                ("Unknown name for __get methode.");
                break;
        }

    }

    // Methods
    
    public function memoryString($megaString='M', $kiloString='K', $byteString='B')
    {
        if( ! isset($this->_peakMemory) ) return '';
        
        $mb = floor($this->_peakMemory /1024/1024);
        $kb = floor( ($this->_peakMemory - $mb*1024*1024 ) / 1024);
        $bt = $this->_peakMemory - $mb*1024*1024 - $kb*1024;
        
        $out = '';
        if( $mb > 0 ) $out = $mb . trim($megaString). ' ';
        if( $mb > 0 OR $kb > 0 ) $out .= $kb . trim($kiloString). ' ';
        $out .= $bt . trim($byteString);
        return trim($out);
    }
    
    public function scanFile($fileToScan, $extensions=NULL)
    {
        $fileToScan = realpath($fileToScan);

        if( ! is_readable($fileToScan) )
        {
            $this->_notReadableFiles[] = $fileToScan;
            $this->_scanFileResults = array();
            return $this->_scanFileResults;
        }
        
        if( NULL===$extensions ) $extensions = $this->_extensions;
        
        if( ! NULL===$extensions )
        {
            if( ! is_array($extensions) ) $extensions=array($extensions);
            $found = FALSE;
            foreach( $extensions as $ext )
            {
                $lenExt = strlen($ext);
                $lenFle = strlen($fileToScan);
                if( FALSE === strpos($fileToScan,$ext,$lenFle-$lenExt-1) ) continue;
                
                $found = TRUE;
                break;
            }
            if( ! $found )
            {
                $this->_scanFileResults = array();
                return $this->_scanFileResults;
            }
        }
        
        $foundNames = array();
      
        $tokens = @token_get_all(file_get_contents($fileToScan));
      
        for( $i=0, $length=count($tokens) ; $i !== $length ; ++$i )
        {
            if( is_array($tokens[$i])
                AND (    $tokens[$i][0] === T_CLASS
                OR $tokens[$i][0] === T_INTERFACE ) )
            {
                for( $j=$i+1 ; $j !== $length ; ++$j )
                {
                    if( is_array($tokens[$j])
                    AND $tokens[$j][0] == T_STRING )
                    {
                        $foundNames[] = $tokens[$j][1];
                        break 1;
                    }
                }
            }
        }
        $this->_scanFileResults = $foundNames;
        return $this->_scanFileResults;
    }

    public function scanDirectory($directory=NULL, $treeScan=NULL, $extensions=NULL)
    {
        $time = microtime(TRUE);
        $temp = $this->_scanFileResults;
        $this->_resetResults();
        
        if( NULL===$directory ) $directory=$this->_directoryToScan;
        if( NULL===$directory )
        {
            throw new exception
            ('You need a directory to scan.');
            return FALSE;
        }
        
        if( NULL===$treeScan ) $treeScan=$this->_treeScan;
        if( NULL===$treeScan ) $treeScan=TRUE;
        
        if( NULL===$extensions ) $extensions=$this->_extensions;
        
        $this->_scanDirectoryResults = $this->_scanDirectory($directory, $treeScan, $extensions);
        
        $this->_scanFileResults = $temp;
        $this->_peakMemory = memory_get_peak_usage(TRUE);
        $this->_elapsedTime = microtime(TRUE) - $time;
        
        return $this->_scanDirectoryResults;
    }

    // Helpers
    
    private function _scanDirectory($directory, $treeScan=NULL, $extensions=NULL)
    {
        $classes = array();

        // OS specifieke directory separator gebruiken
        $directory = str_replace('/', DIRECTORY_SEPARATOR, $directory);
        $directory = str_replace('\\', DIRECTORY_SEPARATOR, $directory);
        if( substr($directory, - 1, 1) !== DIRECTORY_SEPARATOR )
        {
            $directory .= DIRECTORY_SEPARATOR;
        }
        $dir = new DirectoryIterator($directory);
        foreach( $dir as $subPart )
        {
            if( $subPart->isFile() )
            {
                $results = $this->scanFile($subPart->getPathname(), $extensions);
                if( ! empty($results) )
                {
                    $classes[] = array(
                        'file'    =>    $subPart->getPathname(),
                        'found'    =>    $results
                    );
                }
            }
            elseif( $treeScan
                    AND $subPart->isDir()
                    AND ! $subPart->isDot()
                    AND (FALSE === strpos($subPart->getBasename(),'.')) )
            {
                $classes = array_merge($classes, $this->_scanDirectory($subPart->getPathname(), $treeScan, $extensions));
            }
        }
        unset($dir);
        return $classes;
    }

    private function _resetResults()
    {
        $this->_scanFileResults = array();
        $this->_scanDirectoryResults = array();
        $this->_notReadableFiles = array();
        $this->_elapsedTime = 0;
        $this->_peakMemory = 0;
    }

}




class THF_Tool_ClassScanner_API
extends THF_Tool_ClassScanner
{
    public function __construct()
    {
        parent::__construct();
    }

    public function localhost()
    {
        $directory = 'C:/xampp/htdocs';
        $this->scanDirectory($directory);
    }

    public function htmlResults()
    {
        echo '<h1>Scanning for Class and interface definitions.</h1>';
        echo '<p><i>Needed ' . $this->time . ' seconds and ' . $this->memoryString() . ' memory.</i></p><hr />';
        echo '<table border="1">';
        echo '<tr><th>file</th><th>class/interface</th></tr>';
        foreach( $this->results as $oneResult )
        {
            foreach( $oneResult['found'] as $class )
            {
                echo '<tr><td>'.$oneResult['file'].'</td><td>'.$class.'</td></tr>';
            }
        }
        echo '</table><br />';

        if( empty($this->notReadable) ) return TRUE;

        echo '<table border="1">';
        echo '<tr><th>Could not read this files:</th></tr>';
        foreach( $this->notReadable as $filename )
        {
            echo '<tr><td>'.$filename.'</td></tr>';
        }
        echo "</table>";
    }
}


// main

$obj = new THF_Tool_ClassScanner_API();
$obj->localhost();
$obj->htmlResults();
?>

 
 

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