Renamed classes/main/ to main/classes/ + added FuseFeature, an upcoming feature

[core.git] / inc / main / interfaces / block / class_Block.php

diff --git a/inc/main/interfaces/block/class_Block.php b/inc/main/interfaces/block/class_Block.php
new file mode 100644 (file)
index 0000000..12c99f0
--- /dev/null
+++ b/inc/main/interfaces/block/class_Block.php
@@ -0,0 +1,154 @@
+<?php
+/**
+ * A block interface
+ *
+ * @author             Roland Haeder <webmaster@ship-simu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
+ * @license            GNU GPL 3.0 or any newer version
+ * @link               http://www.ship-simu.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/>.
+ */
+interface Block extends FrameworkInterface {
+       /**
+        * Reads the file header
+        *
+        * @return      void
+        */
+       function readFileHeader ();
+
+       /**
+        * Flushes the file header
+        *
+        * @return      void
+        */
+       function flushFileHeader ();
+
+       /**
+        * Determines whether the EOF has been reached
+        *
+        * @return      $isEndOfFileReached             Whether the EOF has been reached
+        */
+       function isEndOfFileReached ();
+
+       /**
+        * Getter for file name
+        *
+        * @return      $fileName       The current file name
+        */
+       function getFileName ();
+
+       /**
+        * Initializes counter for valid entries, arrays for damaged entries and
+        * an array for gap seek positions. If you call this method on your own,
+        * please re-analyze the file structure. So you are better to call
+        * analyzeFile() instead of this method.
+        *
+        * @return      void
+        */
+       function initCountersGapsArray ();
+
+       /**
+        * Getter for header size
+        *
+        * @return      $totalEntries   Size of file header
+        */
+       function getHeaderSize ();
+
+       /**
+        * Setter for header size
+        *
+        * @param       $headerSize             Size of file header
+        * @return      void
+        */
+       function setHeaderSize ($headerSize);
+
+       /**
+        * Getter for header array
+        *
+        * @return      $totalEntries   Size of file header
+        */
+       function getHeader ();
+
+       /**
+        * Setter for header
+        *
+        * @param       $header         Array for a file header
+        * @return      void
+        */
+       function setHeader (array $header);
+
+       /**
+        * Updates seekPosition attribute from file to avoid to much access on file.
+        *
+        * @return      void
+        */
+       function updateSeekPosition ();
+
+       /**
+        * Getter for total entries
+        *
+        * @return      $totalEntries   Total entries in this file
+        */
+       function getCounter ();
+
+       /**
+        * "Getter" for file size
+        *
+        * @return      $fileSize       Size of currently loaded file
+        */
+       function getFileSize ();
+
+       /**
+        * Writes given value to the file and returns a hash and gap position for it
+        *
+        * @param       $groupId        Group identifier
+        * @param       $value          Value to be added to the stack
+        * @return      $data           Hash and gap position
+        */
+       function writeValueToFile ($groupId, $rawData);
+
+       /**
+        * Writes given raw data to the file and returns a gap position and length
+        *
+        * @param       $groupId        Group identifier
+        * @param       $hash           Hash from encoded value
+        * @param       $encoded        Encoded value to be written to the file
+        * @return      $data           Gap position and length of the raw data
+        */
+       function writeDataToFreeGap ($groupId, $hash, $encoded);
+
+       /**
+        * Writes data at given position
+        *
+        * @param       $seekPosition   Seek position
+        * @param       $data                   Data to be written
+        * @param       $flushHeader    Whether to flush the header (default: flush)
+        * @return      void
+        */
+       function writeData ($seekPosition, $data, $flushHeader = TRUE);
+
+       /**
+        * Searches for next suitable gap the given length of data can fit in
+        * including padding bytes.
+        *
+        * @param       $length                 Length of raw data
+        * @return      $seekPosition   Found next gap's seek position
+        */
+       function searchNextGap ($length);
+}
+
+// [EOF]
+?>