From 95ebbc985a0e64a364e880de89dbc1ae7952d91e Mon Sep 17 00:00:00 2001
From: till <till@php.net>
Date: Sun, 3 Feb 2008 12:58:34 +0000
Subject: * putting latest MDB2 into SVN * adding MDB2 drivers for mssql,
 mysql, mysqli, pgsql, sqlite

---
 program/lib/MDB2/Iterator.php | 259 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 259 insertions(+)
 create mode 100644 program/lib/MDB2/Iterator.php

(limited to 'program/lib/MDB2/Iterator.php')

diff --git a/program/lib/MDB2/Iterator.php b/program/lib/MDB2/Iterator.php
new file mode 100644
index 000000000..ca5e7b69c
--- /dev/null
+++ b/program/lib/MDB2/Iterator.php
@@ -0,0 +1,259 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP version 5                                                        |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith                                         |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org>                           |
+// +----------------------------------------------------------------------+
+//
+// $Id: Iterator.php,v 1.22 2006/05/06 14:03:41 lsmith Exp $
+
+/**
+ * PHP5 Iterator
+ *
+ * @package  MDB2
+ * @category Database
+ * @author   Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Iterator implements Iterator
+{
+    protected $fetchmode;
+    protected $result;
+    protected $row;
+
+    // {{{ constructor
+
+    /**
+     * Constructor
+     */
+    public function __construct($result, $fetchmode = MDB2_FETCHMODE_DEFAULT)
+    {
+        $this->result = $result;
+        $this->fetchmode = $fetchmode;
+    }
+    // }}}
+
+    // {{{ seek()
+
+    /**
+     * Seek forward to a specific row in a result set
+     *
+     * @param int number of the row where the data can be found
+     *
+     * @return void
+     * @access public
+     */
+    public function seek($rownum)
+    {
+        $this->row = null;
+        if ($this->result) {
+            $this->result->seek($rownum);
+        }
+    }
+    // }}}
+
+    // {{{ next()
+
+    /**
+     * Fetch next row of data
+     *
+     * @return void
+     * @access public
+     */
+    public function next()
+    {
+        $this->row = null;
+    }
+    // }}}
+
+    // {{{ current()
+
+    /**
+     * return a row of data
+     *
+     * @return void
+     * @access public
+     */
+    public function current()
+    {
+        if (is_null($this->row)) {
+            $row = $this->result->fetchRow($this->fetchmode);
+            if (PEAR::isError($row)) {
+                $row = false;
+            }
+            $this->row = $row;
+        }
+        return $this->row;
+    }
+    // }}}
+
+    // {{{ valid()
+
+    /**
+     * Check if the end of the result set has been reached
+     *
+     * @return bool true/false, false is also returned on failure
+     * @access public
+     */
+    public function valid()
+    {
+        return (bool)$this->current();
+    }
+    // }}}
+
+    // {{{ free()
+
+    /**
+     * Free the internal resources associated with result.
+     *
+     * @return bool|MDB2_Error true on success, false|MDB2_Error if result is invalid
+     * @access public
+     */
+    public function free()
+    {
+        if ($this->result) {
+            return $this->result->free();
+        }
+        $this->result = false;
+        $this->row = null;
+        return false;
+    }
+    // }}}
+
+    // {{{ key()
+
+    /**
+     * Returns the row number
+     *
+     * @return int|bool|MDB2_Error true on success, false|MDB2_Error if result is invalid
+     * @access public
+     */
+    public function key()
+    {
+        if ($this->result) {
+            return $this->result->rowCount();
+        }
+        return false;
+    }
+    // }}}
+
+    // {{{ rewind()
+
+    /**
+     * Seek to the first row in a result set
+     *
+     * @return void
+     * @access public
+     */
+    public function rewind()
+    {
+    }
+    // }}}
+
+    // {{{ destructor
+
+    /**
+     * Destructor
+     */
+    public function __destruct()
+    {
+        $this->free();
+    }
+    // }}}
+}
+
+/**
+ * PHP5 buffered Iterator
+ *
+ * @package  MDB2
+ * @category Database
+ * @author   Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_BufferedIterator extends MDB2_Iterator implements SeekableIterator
+{
+    // {{{ valid()
+
+    /**
+     * Check if the end of the result set has been reached
+     *
+     * @return bool|MDB2_Error true on success, false|MDB2_Error if result is invalid
+     * @access public
+     */
+    public function valid()
+    {
+        if ($this->result) {
+            return $this->result->valid();
+        }
+        return false;
+    }
+    // }}}
+
+    // {{{count()
+
+    /**
+     * Returns the number of rows in a result object
+     *
+     * @return int|MDB2_Error number of rows, false|MDB2_Error if result is invalid
+     * @access public
+     */
+    public function count()
+    {
+        if ($this->result) {
+            return $this->result->numRows();
+        }
+        return false;
+    }
+    // }}}
+
+    // {{{ rewind()
+
+    /**
+     * Seek to the first row in a result set
+     *
+     * @return void
+     * @access public
+     */
+    public function rewind()
+    {
+        $this->seek(0);
+    }
+    // }}}
+}
+
+?>
\ No newline at end of file
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