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Path: /data/49/4/11/84/4826899/user/5715128/htdocs/dup-installer/lib/snaplib/ [ Home ]
File: class.snaplib.u.io.php
<?php
/*
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 * and open the template in the editor.
 */

require_once(dirname(__FILE__).'/class.snaplib.u.string.php');
require_once(dirname(__FILE__).'/class.snaplib.u.os.php');

if(!class_exists('SnapLibIOU')) {
class SnapLibIOU
{
    public static function rmPattern($filePathPattern)
    {
        @array_map('unlink', glob($filePathPattern));
    }

    public static function chmodPattern($filePathPattern, $mode)
    {
        $filePaths = glob($filePathPattern);

        $modes = array();

        foreach($filePaths as $filePath)
        {
            $modes[] = $mode;
        }

        @array_map('chmod', $filePaths, $modes);
    }

    public static function copy($source, $dest, $overwriteIfExists = true)
    {
        if(file_exists($dest)) {
            if($overwriteIfExists) {
                self::rm($dest);
            } else {
                throw new Exception("Can't copy {$source} to {$dest} because {$dest} already exists!");
            }
        }

        if(copy($source, $dest) === false) {
            throw new Exception("Error copying {$source} to {$dest}");
        }
    }

    public static function safePath($path, $real = false)
    {       
        if($real) {
            $path = realpath($path);
        }

        return str_replace("\\", "/", $path);
    }

    public static function massMove($fileSystemObjects, $destination, $exclusions = null, $exceptionOnError = true)
    {
        $failures = array();

        $destination = rtrim($destination, '/\\');

        if(!file_exists($destination)) {
            self::mkdir($destination);
        }
        
        foreach($fileSystemObjects as $fileSystemObject)
        {
            $shouldMove = true;
            
            if($exclusions != null) {
            
                foreach($exclusions as $exclusion) {
                    if (preg_match($exclusion, $fileSystemObject) === 1) {
                        $shouldMove = false;
                        break;
                    }
                }
            }
            
            if($shouldMove) {
            
                $newName = $destination . '/' . basename($fileSystemObject);

				if(!file_exists($fileSystemObject)) {
					$failures[] = "Tried to move {$fileSystemObject} to {$newName} but it didn't exist!";
				} else if(!@rename($fileSystemObject, $newName)) {
                    $failures[] = "Couldn't move {$fileSystemObject} to {$newName}";
                }       
            }
        }

        if($exceptionOnError && count($failures) > 0) {
            throw new Exception(implode(',', $failures));
        }
        
        return $failures;
    }
    
    public static function rename($oldname, $newname, $removeIfExists = false)
    {
        if($removeIfExists) {
            if(file_exists($newname)) {
                if(is_dir($newname)) {
                    self::rmdir($newname);
                } else {
                    self::rm($newname);
                }
            }
        }

        if(!@rename($oldname, $newname)) {
            throw new Exception("Couldn't rename {$oldname} to {$newname}");
        }
    }
    
    public static function fopen($filepath, $mode, $throwOnError = true)
    {
        if(SnapLibOSU::$isWindows) {
            
            if(strlen($filepath) > SnapLibOSU::WindowsMaxPathLength) {
                throw new Exception("Skipping a file that exceeds allowed Windows path length. File: {$filepath}");
            }
        }

        if (SnapLibStringU::startsWith($mode, 'w') || SnapLibStringU::startsWith($mode, 'c') || file_exists($filepath)) {
            $file_handle = @fopen($filepath, $mode);
        } else {
            if($throwOnError) {
                throw new Exception("$filepath doesn't exist");
            } else {
                return false;
            }
        }

        if ($file_handle === false) {
            if($throwOnError) {
                throw new Exception("Error opening $filepath");
            } else {
                return false;
            }
        } else {
            return $file_handle;
        }
    }

    public static function touch($filepath, $time = null)
    {
        if ($time === null) {
            $time = time();
        }

        if (@touch($filepath, $time) === null) {
            throw new Exception("Couldn't update time on {$filepath}");
        }
    }

    public static function rmdir($dirname, $mustExist = false)
    {
        if (file_exists($dirname)) {
            @chmod($dirname, 0755);
            if (@rmdir($dirname) === false) {
                throw new Exception("Couldn't remove {$dirname}");
            }
        } else if ($mustExist) {
            throw new Exception("{$dirname} doesn't exist");
        }
    }
    
    public static function rm($filepath, $mustExist = false)
    {
        if (file_exists($filepath)) {
            @chmod($filepath, 0644);
            if (@unlink($filepath) === false) {
                throw new Exception("Couldn't remove {$filepath}");
            }
        } else if ($mustExist) {
            throw new Exception("{$filepath} doesn't exist");
        }
    }

    public static function fwrite($handle, $string)
    {
        $bytes_written = @fwrite($handle, $string);

        if ($bytes_written === false) {
            throw new Exception('Error writing to file.');
        } else {
            return $bytes_written;
        }
    }

    public static function fgets($handle, $length)
    {
        $line = fgets($handle, $length);

        if ($line === false) {
            throw new Exception('Error reading line.');
        }

        return $line;
    }

    public static function fclose($handle, $exception_on_fail = true)
    {
        if ((@fclose($handle) === false) && $exception_on_fail) {
            throw new Exception("Error closing file");
        }
    }

    public static function flock($handle, $operation)
    {
        if (@flock($handle, $operation) === false) {
            throw new Exception("Error locking file");
        }
    }

    public static function ftell($file_handle)
    {
        $position = @ftell($file_handle);

        if ($position === false) {
            throw new Exception("Couldn't retrieve file offset for $filepath");
        } else {
            return $position;
        }
    }

    static function rrmdir($dir)
    {
        if (is_dir($dir)) {
            $objects = scandir($dir);
            foreach ($objects as $object) {
                if ($object != "." && $object != "..") {
                    if (is_dir($dir."/".$object))
                    {
                        SnapLibIOU::rrmdir($dir."/".$object);
                    }
                    else
                    {
                        //unlink($dir."/".$object);
                        self::rm($dir."/".$object);
                    }
                }
            }
            rmdir($dir);
        }
    }

    public static function filesize($filename)
    {
        $file_size = @filesize($filename);

        if ($file_size === false) {
            throw new Exception("Error retrieving file size of $filename");
        }

        return $file_size;
    }

    public static function fseek($handle, $offset, $whence = SEEK_SET)
    {
        $ret_val = @fseek($handle, $offset, $whence);

        if ($ret_val !== 0) {
            if ($ret_val === false) {
                throw new Exception("Trying to fseek($offset, $whence) and came back false");
            } else {
                throw new Exception("Error seeking to file offset $offset. Retval = $ret_val");
            }
        }
    }

    public static function filemtime($filename)
    {
        $mtime = filemtime($filename);

        if ($mtime === E_WARNING) {
            throw new Exception("Cannot retrieve last modified time of $filename");
        }

        return $mtime;
    }

    public static function mkdir($pathname, $mode = 0755, $recursive = false)
    {
        if(SnapLibOSU::$isWindows) {

            if(strlen($pathname) > SnapLibOSU::WindowsMaxPathLength) {
                throw new Exception("Skipping creating directory that exceeds allowed Windows path length. File: {$pathname}");
            }
        }

        if (!file_exists($pathname)) {
            if (@mkdir($pathname, $mode, $recursive) === false) {
                throw new Exception("Error creating directory {$pathname}");
            }
        } else {
            if (@chmod($pathname, $mode) === false) {
                throw new Exception("Error setting mode on directory {$pathname}");
            }
        }
    }

    public static function filePutContents($filename, $data) {
        if(file_put_contents($filename, $data) === false) {
            throw new Exception("Couldn't write data to {$filename}");
        }
    }


	public static function getFileName($file_path) {
		$info = new SplFileInfo($file_path);
		return $info->getFilename();
    }

	public static function getPath($file_path) {
		$info = new SplFileInfo($file_path);
		return $info->getPath();
    }
}
}