<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* PHP_Beautifier_Common and PHP_Beautifier_Interface
*
* PHP version 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt.  If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
* @category   PHP
* @package PHP_Beautifier
* @author Claudio Bustos <cdx@users.sourceforge.com>
* @copyright  2004-2006 Claudio Bustos
* @link     http://pear.php.net/package/PHP_Beautifier
* @link     http://beautifyphp.sourceforge.net
* @license    http://www.php.net/license/3_0.txt  PHP License 3.0
* @version    CVS: $Id:$
*/
/**
* Wraps commons method por PHP_Beautifier
*
* Common methods for PHP_Beautifier, almost file management.
* All the methods are static
*
* @category   PHP
* @package PHP_Beautifier
* @author Claudio Bustos <cdx@users.sourceforge.com>
* @copyright  2004-2006 Claudio Bustos
* @link     http://pear.php.net/package/PHP_Beautifier
* @link     http://beautifyphp.sourceforge.net
* @license    http://www.php.net/license/3_0.txt  PHP License 3.0
* @version    Release: 0.1.13
*/
class PHP_Beautifier_Common {
    /**
    * Normalize reference to directories
    * @param  string path to directory
    * @return string normalized path to directory
    */
    public static function normalizeDir($sDir) 
    {
        $sDir = str_replace(DIRECTORY_SEPARATOR, '/', $sDir);
        if (substr($sDir, -1) != '/') {
            $sDir.= '/';
        }
        return $sDir;
    }
    /**
    * Search, inside a dir, for a file pattern, using regular expresion
    * Example:
    *
    * <code>PHP_Beautifier_Common::getFilesByPattern('.','*.php',true);</code>
    * Search recursively for all the files with php extensions
    * in the current dir
    * @param    string  path to a dir
    * @param    string  file pattern
    * @param    bool    recursive?
    * @return   array   path to files
    */
    public static function getFilesByPattern($sDir, $sFilePattern, $bRecursive = false) 
    {
        if (substr($sDir, -1) == '/') {
            $sDir = substr($sDir, 0, -1);
        }
        $dh = @opendir($sDir);
        if (!$dh) {
            throw (new Exception("Cannot open directory '$sDir'"));
        }
        $matches = array();
        while ($entry = @readdir($dh)) {
            if ($entry == '.' or $entry == '..') {
                continue;
            } elseif (is_dir($sDir.'/'.$entry) and $bRecursive) {
                $matches = array_merge($matches, PHP_Beautifier_Common::getFilesByPattern($sDir.'/'.$entry, $sFilePattern, $bRecursive));
            } elseif (preg_match("/".$sFilePattern."$/", $entry)) {
                $matches[] = $sDir."/".$entry;
            }
        }
        if (!$matches) {
            PHP_Beautifier_Common::getLog()->log("$sDir/$sFilePattern pattern don't match any file", PEAR_LOG_DEBUG);
        }
        return $matches;
    }
    /**
    * Create a dir for a file path
    * @param    string  file path
    * @return   bool
    * @throws   Exception
    */
    public static function createDir($sFile) 
    {
        $sDir = dirname($sFile);
        if (file_exists($sDir)) {
            return true;
        } else {
            $aPaths = explode('/', $sDir);
            $sCurrentPath = '';
            foreach($aPaths as $sPartialPath) {
                $sCurrentPath.= $sPartialPath.'/';
                if (file_exists($sCurrentPath)) {
                    continue;
                } else {
                    if (!@mkdir($sCurrentPath)) {
                        throw (new Exception("Can't create directory '$sCurrentPath'"));
                    }
                }
            }
        }
        return true;
    }
    /**
    * Return an array with the paths to save for an array of files
    * @param    array  Array of files (input)
    * @param    string Init path
    * @return   array  Array of files (output)
    */
    public static function getSavePath($aFiles, $sPath = './') 
    {
        $sPath = PHP_Beautifier_Common::normalizeDir($sPath);
        // get the lowest denominator..
        $sPrevious = '';
        $iCut = 0;
        foreach($aFiles as $i=>$sFile) {
            $sFile = preg_replace("/^.*?#/", '', $sFile);
            $aFiles[$i] = $sFile;
            if (!$sPrevious) {
                $sPrevious = dirname($sFile);
                continue;
            }
            $aPreviousParts=explode("/",$sPrevious);
            $aCurrentParts=explode("/",dirname($sFile));
            for($x=0;$x<count($aPreviousParts);$x++) {
                if($aPreviousParts[$x]!=$aCurrentParts[$x]) {
                    $sPrevious=implode("/",array_slice($aPreviousParts,0,$x));                    
                }
            }
        }
        $iCut = strlen($sPrevious);
        $aPathsOut = array();
        foreach($aFiles as $sFile) {
            $sFileOut = preg_replace("/^(\w:\/|\.\/|\/)/", "", substr($sFile, $iCut));
            $aPathsOut[] = $sPath.$sFileOut;
        }
        return $aPathsOut;
    }
    /**
    * Search, inside a dir, for a file pattern using glob(* and ?)
    * @param    string  path
    * @param    bool    recursive
    * @return   array   path to files
    */
    public static function getFilesByGlob($sPath, $bRecursive = false) 
    {
        if (!$bRecursive) {
            return glob($sPath);
        } else {
            $sDir = (dirname($sPath)) ? realpath(dirname($sPath)) : realpath('./');
            $sDir = PHP_Beautifier_Common::normalizeDir($sDir);
			$sDir = substr($sDir, 0, -1); // strip last slash
            $sGlob = basename($sPath);
            $dh = @opendir($sDir);
            if (!$dh) {
                throw (new Exception("Cannot open directory '$sPath'"));
            }
            $aMatches = glob($sDir.'/'.$sGlob);
            while ($entry = @readdir($dh)) {
                if ($entry == '.' or $entry == '..') {
                    continue;
                } elseif (is_dir($sDir.'/'.$entry)) {
                    $aMatches = array_merge($aMatches, PHP_Beautifier_Common::getFilesByGlob($sDir.'/'.$entry.'/'.$sGlob, true));
                }
            }
            return $aMatches;
        }
    }
    /**
    * Get a {@link Log_composite} object for PHP_Beautifier
    * Always return the same object (Singleton pattern)
    * @return Log_composite
    */
    public static function getLog() 
    {
        return Log::singleton('composite', 'PHP_Beautifier');
    }
    /**
    * Transform whitespaces into its representation
    * So, tabs becomes \t, newline \n and feed \r
    * Useful for log
    * @param string
    * @return string
    */
    public static function wsToString($sText) 
    {
        // ArrayNested->off();
        return str_replace(array("\r", "\n", "\t"), array('\r', '\n', '\t'), $sText);
        // ArrayNested->on();
        
    }
}
// Interfaces

/**
* Interface for PHP_Beautifier and subclasses.
* Created to made a 'legal' Decorator implementation
*
* @category   PHP
* @package PHP_Beautifier
* @author Claudio Bustos <cdx@users.sourceforge.com>
* @copyright  2004-2006 Claudio Bustos
* @link     http://pear.php.net/package/PHP_Beautifier
* @link     http://beautifyphp.sourceforge.net
* @license    http://www.php.net/license/3_0.txt  PHP License 3.0
* @version    Release: 0.1.13
*/
interface PHP_Beautifier_Interface {
    /**
    * Process the file(s) or string
    */
    public function process();
    /**
    * Show on screen the output
    */
    public function show();
    /**
    * Get the output on a string
    * @return string
    */
    public function get();
    /**
    * Save the output to a file
    * @param string path to file
    */
    public function save($sFile = null);
}
?>
