Source for file jFile.class.php
Documentation is available at jFile.class.php
- <?php
- /**
- * @package jelix
- * @subpackage utils
- * @author Laurent Jouanneau
- * @contributor Christophe Thiriot
- * @contributor Bastien Jaillot
- * @contributor Loic Mathaud
- * @contributor Olivier Demah (#733)
- * @contributor Cedric (fix bug ticket 56)
- * @contributor Julien Issler
- * @copyright 2005-2011 Laurent Jouanneau, 2006 Christophe Thiriot, 2006 Loic Mathaud, 2008 Bastien Jaillot, 2008 Olivier Demah, 2009-2010 Julien Issler
- * @link http://www.jelix.org
- * @licence http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public Licence, see LICENCE file
- */
-
-
- /**
- * A class helper to read or create files
- * @package jelix
- * @subpackage utils
- */
- class jFile {
- /**
- * Reads the content of a file.
- * @param string $filename the filename we're gonna read
- * @return string the content of the file. false if cannot read the file
- */
- public static function read ($filename){
- return @file_get_contents ($filename, false);
- }
-
- /**
- * Write a file to the disk.
- * This function is heavily based on the way smarty process its own files.
- * Is using a temporary file and then rename the file. We guess the file system will be smarter than us, avoiding a writing / reading
- * while renaming the file.
- * This method comes from CopixFile class of Copix framework
- * @author GĂ©rald Croes
- * @copyright 2001-2005 CopixTeam
- * @link http://www.copix.org
- */
- public static function write ($file, $data){
- $_dirname = dirname($file);
-
- //asking to create the directory structure if needed.
- self::createDir ($_dirname);
-
- if(!@is_writable($_dirname)) {
- // cache_dir not writable, see if it exists
- if(!@is_dir($_dirname)) {
- throw new jException('jelix~errors.file.directory.notexists', array ($_dirname));
- }
- throw new jException('jelix~errors.file.directory.notwritable', array ($file, $_dirname));
- }
-
- // write to tmp file, then rename it to avoid
- // file locking race condition
- $_tmp_file = tempnam($_dirname, 'wrt');
-
- if (!($fd = @fopen($_tmp_file, 'wb'))) {
- $_tmp_file = $_dirname . '/' . uniqid('wrt');
- if (!($fd = @fopen($_tmp_file, 'wb'))) {
- throw new jException('jelix~errors.file.write.error', array ($file, $_tmp_file));
- }
- }
-
- fwrite($fd, $data);
- fclose($fd);
-
- // Delete the file if it allready exists (this is needed on Win,
- // because it cannot overwrite files with rename()
- if ($GLOBALS['gJConfig']->isWindows && file_exists($file)) {
- unlink($file);
- }
- rename($_tmp_file, $file);
- @chmod($file, 0664);
-
- return true;
- }
-
- /**
- * create a directory
- * It creates also all necessary parent directory
- * @param string $dir the path of the directory
- */
- public static function createDir ($dir){
- // recursive feature on mkdir() is broken with PHP 5.0.4 for Windows
- // so should do own recursion
- if (!file_exists($dir)) {
- self::createDir(dirname($dir));
- mkdir($dir, 0775);
- }
- }
-
- /**
- * Recursive function deleting a directory
- *
- * @param string $path The path of the directory to remove recursively
- * @param boolean $deleteParent If the path must be deleted too
- * @since 1.0b1
- * @author Loic Mathaud
- */
- public static function removeDir($path, $deleteParent=true) {
-
- if($path == '' || $path == '/' || $path == DIRECTORY_SEPARATOR)
- throw new jException('jelix~errors.file.directory.cannot.remove.fs.root'); //see ticket #840
-
- $dir = new DirectoryIterator($path);
- foreach ($dir as $dirContent) {
- // file deletion
- if ($dirContent->isFile() || $dirContent->isLink()) {
- unlink($dirContent->getPathName());
- } else {
- // recursive directory deletion
- if (!$dirContent->isDot() && $dirContent->isDir()) {
- self::removeDir($dirContent->getPathName());
- }
- }
- }
- unset($dir); // see bug #733
- unset($dirContent);
-
- // removes the parent directory
- if ($deleteParent) {
- rmdir($path);
- }
- }
-
- /**
- * get the MIME Type of a file
- *
- * @param string $file The full path of the file
- * @return string the MIME type of the file
- * @since 1.1.6
- */
- public static function getMimeType($file){
- if (function_exists('finfo_open')) {
- $finfo = finfo_open(FILEINFO_MIME_TYPE);
- $type = finfo_file($finfo, $file);
- finfo_close($finfo);
- return $type;
- }
- else if (function_exists('mime_content_type')) {
- return mime_content_type($file);
- }
- else {
- // we know that it is not the ideal way to do it
- // but don't want to spent time and resource to guess
- // it from the file content.
- return self::getMimeTypeFromFilename($file);
- }
- }
-
- /**
- * get the MIME Type of a file, only with its name
- *
- * @param string $fileName the file name
- * @return string the MIME type of the file
- * @since 1.1.10
- */
- public static function getMimeTypeFromFilename($fileName){
- $f = explode('.', $fileName);
- $ext = strtolower(array_pop($f));
- if (array_key_exists($ext, self::$mimeTypes)) {
- return self::$mimeTypes[$ext];
- }
- else
- return 'application/octet-stream';
- }
-
- protected static $mimeTypes = array(
-
- 'txt' => 'text/plain',
- 'htm' => 'text/html',
- 'html' => 'text/html',
- 'xhtml' => 'application/xhtml+xml',
- 'xht' => 'application/xhtml+xml',
- 'php' => 'text/html',
- 'css' => 'text/css',
- 'js' => 'application/javascript',
- 'json' => 'application/json',
- 'xml' => 'application/xml',
- 'xslt' => 'application/xslt+xml',
- 'xsl' => 'application/xml',
- 'dtd' => 'application/xml-dtd',
- 'atom'=>'application/atom+xml',
- 'mathml'=>'application/mathml+xml',
- 'rdf'=>'application/rdf+xml',
- 'smi'=>'application/smil',
- 'smil'=>'application/smil',
- 'vxml'=>'application/voicexml+xml',
- 'latex'=>'application/x-latex',
- 'tcl'=>'application/x-tcl',
- 'tex'=>'application/x-tex',
- 'texinfo'=>'application/x-texinfo',
- 'wrl'=>'model/vrml',
- 'wrml'=>'model/vrml',
- 'ics'=>'text/calendar',
- 'ifb'=>'text/calendar',
- 'sgml'=>'text/sgml',
- 'htc'=>'text/x-component',
-
- // images
- 'png' => 'image/png',
- 'jpe' => 'image/jpeg',
- 'jpeg' => 'image/jpeg',
- 'jpg' => 'image/jpeg',
- 'gif' => 'image/gif',
- 'bmp' => 'image/bmp',
- 'ico' => 'image/x-icon',
- 'tiff' => 'image/tiff',
- 'tif' => 'image/tiff',
- 'svg' => 'image/svg+xml',
- 'svgz' => 'image/svg+xml',
- 'djvu' => 'image/vnd.djvu',
- 'djv' => 'image/vnd.djvu',
-
- // archives
- 'zip' => 'application/zip',
- 'rar' => 'application/x-rar-compressed',
- 'exe' => 'application/x-msdownload',
- 'msi' => 'application/x-msdownload',
- 'cab' => 'application/vnd.ms-cab-compressed',
- 'tar' => 'application/x-tar',
- 'gz' => 'application/x-gzip',
- 'tgz' => 'application/x-gzip',
-
- // audio/video
- 'mp2' => 'audio/mpeg',
- 'mp3' => 'audio/mpeg',
- 'qt' => 'video/quicktime',
- 'mov' => 'video/quicktime',
- 'mpeg' => 'video/mpeg',
- 'mpg' => 'video/mpeg',
- 'mpe' => 'video/mpeg',
- 'wav' => 'audio/wav',
- 'aiff' => 'audio/aiff',
- 'aif' => 'audio/aiff',
- 'avi' => 'video/msvideo',
- 'wmv' => 'video/x-ms-wmv',
- 'ogg' => 'application/ogg',
- 'flv' => 'video/x-flv',
- 'dvi' => 'application/x-dvi',
- 'au'=> 'audio/basic',
- 'snd'=> 'audio/basic',
- 'mid' => 'audio/midi',
- 'midi' => 'audio/midi',
- 'm3u' => 'audio/x-mpegurl',
- 'm4u' => 'video/vnd.mpegurl',
- 'ram' => 'audio/x-pn-realaudio',
- 'ra' => 'audio/x-pn-realaudio',
- 'rm' => 'application/vnd.rn-realmedia',
-
- // adobe
- 'pdf' => 'application/pdf',
- 'psd' => 'image/vnd.adobe.photoshop',
- 'ai' => 'application/postscript',
- 'eps' => 'application/postscript',
- 'ps' => 'application/postscript',
- 'swf' => 'application/x-shockwave-flash',
-
- // ms office
- 'doc' => 'application/msword',
- 'docx' => 'application/msword',
- 'rtf' => 'application/rtf',
- 'xls' => 'application/vnd.ms-excel',
- 'xlm' => 'application/vnd.ms-excel',
- 'xla' => 'application/vnd.ms-excel',
- 'xld' => 'application/vnd.ms-excel',
- 'xlt' => 'application/vnd.ms-excel',
- 'xlc' => 'application/vnd.ms-excel',
- 'xlw' => 'application/vnd.ms-excel',
- 'xll' => 'application/vnd.ms-excel',
- 'ppt' => 'application/vnd.ms-powerpoint',
- 'pps' => 'application/vnd.ms-powerpoint',
-
- // open office
- 'odt' => 'application/vnd.oasis.opendocument.text',
- 'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
- );
- }
Documentation generated on Thu, 19 Sep 2013 00:04:19 +0200 by phpDocumentor 1.4.3