X-Git-Url: https://git.mxchange.org/?p=core.git;a=blobdiff_plain;f=inc%2Fclasses%2Fmain%2Ffile_directories%2Fio%2Fclass_FrameworkFileInputOutputPointer.php;h=b167fee3d363d409865c577e24500c5d2e9534d7;hp=824df452eec683a41c7d534d671d835edb5962af;hb=978c24260ea30de3b29d4436d707bdc67a8e9b9e;hpb=4c95da6a5f9a5d9b6a13aca42a138568e99073ed

diff --git a/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php b/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php
index 824df452..b167fee3 100644
--- a/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php
+++ b/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php
@@ -21,7 +21,7 @@
  * 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 FrameworkFileInputOutputPointer extends BaseFileIo {
+class FrameworkFileInputOutputPointer extends BaseFileIo implements InputOutputPointer {
 	/**
 	 * Protected constructor
 	 *
@@ -38,10 +38,10 @@ class FrameworkFileInputOutputPointer extends BaseFileIo {
 	 *
 	 * @param	$fileName	The file name we shall pass to fopen()
 	 * @return	void
-	 * @throws	FileIsEmptyException	If the given file name is NULL or empty
+	 * @throws	FileIsEmptyException		If the given file name is NULL or empty
 	 * @throws	FileReadProtectedException	If PHP cannot read an existing file
 	 * @throws	FileWriteProtectedException	If PHP cannot write an existing file
-	 * @throws	FileIoException			If fopen() returns not a file resource
+	 * @throws	FileIoException				If fopen() returns not a file resource
 	 */
 	public static final function createFrameworkFileInputOutputPointer ($fileName) {
 		// Some pre-sanity checks...
@@ -57,7 +57,7 @@ class FrameworkFileInputOutputPointer extends BaseFileIo {
 		}
 
 		// Try to open a handler
-		$filePointer = fopen($fileName, 'r+b');
+		$filePointer = fopen($fileName, 'c+b');
 		if ((is_null($filePointer)) || ($filePointer === FALSE)) {
 			// Something bad happend
 			throw new FileIoException($fileName, self::EXCEPTION_FILE_POINTER_INVALID);
@@ -115,7 +115,29 @@ class FrameworkFileInputOutputPointer extends BaseFileIo {
 		}
 
 		// Write data to the file pointer and return written bytes
-		return fwrite($this->getPointer(), $dataStream);
+		return fwrite($this->getPointer(), $dataStream, strlen($dataStream));
+	}
+
+	/**
+	 * Rewinds to the beginning of the file
+	 *
+	 * @return	void
+	 */
+	public function rewind () {
+		// Rewind the pointer
+		assert(rewind($this->getPointer()) === 1);
+	}
+
+	/**
+	 * Seeks to given position
+	 *
+	 * @param	$seekPosition	Seek position in file
+	 * @param	$whence			"Seek mode" (see http://de.php.net/fseek)
+	 * @return	void
+	 */
+	public function seek ($seekPosition, $whence = SEEK_SET) {
+		// Move the file pointer
+		assert(fseek($this->getPointer(), $seekPosition, $whence) === 0);
 	}
 }