From f4de82bcdafba51e4eed9cae6b2d3e5375ffd115 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Tue, 9 May 2006 12:11:38 +0000
Subject:

---
 .../Zend/Search/Lucene/Storage/File/Filesystem.php | 170 +++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 demos/quickstart/protected/index/Zend/Search/Lucene/Storage/File/Filesystem.php

(limited to 'demos/quickstart/protected/index/Zend/Search/Lucene/Storage/File')

diff --git a/demos/quickstart/protected/index/Zend/Search/Lucene/Storage/File/Filesystem.php b/demos/quickstart/protected/index/Zend/Search/Lucene/Storage/File/Filesystem.php
new file mode 100644
index 00000000..fc6adcf5
--- /dev/null
+++ b/demos/quickstart/protected/index/Zend/Search/Lucene/Storage/File/Filesystem.php
@@ -0,0 +1,170 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to version 1.0 of the Zend Framework
+ * license, that is bundled with this package in the file LICENSE, and
+ * is available through the world-wide-web at the following URL:
+ * http://www.zend.com/license/framework/1_0.txt. If you did not receive
+ * a copy of the Zend Framework license and are unable to obtain it
+ * through the world-wide-web, please send a note to license@zend.com
+ * so we can mail you a copy immediately.
+ *
+ * @package    Zend_Search_Lucene
+ * @subpackage Storage
+ * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
+ */
+
+
+/** Zend_Search_Lucene_Storage_File */
+require_once 'Zend/Search/Lucene/Storage/File.php';
+
+/** Zend_Search_Lucene_Exception */
+require_once 'Zend/Search/Lucene/Exception.php';
+
+
+/**
+ * @package    Zend_Search_Lucene
+ * @subpackage Storage
+ * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
+ *
+ */
+class Zend_Search_Lucene_Storage_File_Filesystem extends Zend_Search_Lucene_Storage_File
+{
+    /**
+     * Resource of the open file
+     *
+     * @var resource
+     */
+    private $_fileHandle;
+
+
+    /**
+     * Class constructor.  Open the file.
+     *
+     * @param string $filename
+     * @param string $mode
+     */
+    public function __construct($filename, $mode='rb')
+    {
+        global $php_errormsg;
+
+        $trackErrors = ini_get( "track_errors");
+        ini_set('track_errors', '1');
+
+        $this->_fileHandle = @fopen($filename, $mode);
+
+        if ($this->_fileHandle===false) {
+            ini_set('track_errors', $trackErrors);
+            throw new Zend_Search_Lucene_Exception($php_errormsg);
+        }
+
+        ini_set('track_errors', $trackErrors);
+    }
+
+
+    /**
+     * Sets the file position indicator and advances the file pointer.
+     * The new position, measured in bytes from the beginning of the file,
+     * is obtained by adding offset to the position specified by whence,
+     * whose values are defined as follows:
+     * SEEK_SET - Set position equal to offset bytes.
+     * SEEK_CUR - Set position to current location plus offset.
+     * SEEK_END - Set position to end-of-file plus offset. (To move to
+     * a position before the end-of-file, you need to pass a negative value
+     * in offset.)
+     * Upon success, returns 0; otherwise, returns -1
+     *
+     * @param integer $offset
+     * @param integer $whence
+     * @return integer
+     */
+    public function seek($offset, $whence=SEEK_SET)
+    {
+        return fseek($this->_fileHandle, $offset, $whence);
+    }
+
+
+    /**
+     * Get file position.
+     *
+     * @return integer
+     */
+    public function tell()
+    {
+        return ftell($this->_fileHandle);
+    }
+
+
+    /**
+     * Close File object
+     */
+    public function close()
+    {
+        if ($this->_fileHandle !== null ) {
+            @fclose($this->_fileHandle);
+            $this->_fileHandle = null;
+        }
+    }
+
+    /**
+     * Get the size of the already opened file
+     *
+     * @return integer
+     */
+    public function size()
+    {
+        $position = ftell($this->_fileHandle);
+        fseek($this->_fileHandle, 0, SEEK_END);
+        $size = ftell($this->_fileHandle);
+        fseek($this->_fileHandle,$position);
+
+        return $size;
+    }
+
+    /**
+     * Read a $length bytes from the file and advance the file pointer.
+     *
+     * @param integer $length
+     * @return string
+     */
+    protected function _fread($length=1)
+    {
+        if ($length == 0) {
+            return '';
+        }
+
+        if ($length < 1024) {
+            return fread($this->_fileHandle, $length);
+        }
+
+        $data = '';
+        while ( $length > 0 && ($nextBlock = fread($this->_fileHandle, $length)) != false ) {
+            $data .= $nextBlock;
+            $length -= strlen($nextBlock);
+        }
+        return $data;
+    }
+
+
+    /**
+     * Writes $length number of bytes (all, if $length===null) to the end
+     * of the file.
+     *
+     * @param string $data
+     * @param integer $length
+     */
+    protected function _fwrite($data, $length=null)
+    {
+        if ($length === null ) {
+            fwrite($this->_fileHandle, $data);
+        } else {
+            fwrite($this->_fileHandle, $data, $length);
+        }
+    }
+}
+
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