--- /dev/null
+<?php
+/**
+ * A class for reading files
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2013 Core Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class FrameworkFileInputPointer extends BaseFileIo {
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Create a file pointer based on the given file. The file will also
+ * be verified here.
+ *
+ * @param $fileName The file name we shall pass to fopen()
+ * @throws FileIsEmptyException If the provided file name is empty.
+ * @throws FileIoException If fopen() returns not a file resource
+ * @return void
+ */
+ public static final function createFrameworkFileInputPointer ($fileName) {
+ // Some pre-sanity checks...
+ if ((is_null($fileName)) || (empty($fileName))) {
+ // No filename given
+ throw new FileIsEmptyException(NULL, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
+ } elseif (!file_exists($fileName)) {
+ // File does not exist!
+ throw new FileIoException($fileName, self::EXCEPTION_FILE_NOT_FOUND);
+ } elseif (!is_readable($fileName)) {
+ // File does not exist!
+ throw new FileReadProtectedException($fileName, self::EXCEPTION_FILE_CANNOT_BE_READ);
+ }
+
+ // Try to open a handler
+ $fileInstance = fopen($fileName, 'rb');
+ if ((is_null($fileInstance)) || ($fileInstance === FALSE)) {
+ // Something bad happend
+ throw new FileIoException($fileName, self::EXCEPTION_FILE_POINTER_INVALID);
+ } // END - if
+
+ // Create new instance
+ $pointerInstance = new FrameworkFileInputPointer();
+
+ // Set file pointer and file name
+ $pointerInstance->setInstance($fileInstance);
+ $pointerInstance->setFileName($fileName);
+
+ // Return the instance
+ return $pointerInstance;
+ }
+
+ /**
+ * Read data a file pointer
+ *
+ * @return mixed The result of fread()
+ * @throws NullPointerException If the file pointer instance
+ * is not set by setPointer()
+ */
+ public function readFromFile () {
+ if (!$this->getInstance() instanceof SplFileObject) {
+ // Pointer not initialized
+ throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
+ }
+
+ // Read data from the file pointer and return it
+ return fread($this->getInstance(), 1024);
+ }
+}
+
+// [EOF]
+?>