Merge CodeIgniter 3 support

1 files changed, 194 insertions, 0 deletions

diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php
new file mode 100644
index 000000000..03751f0dc
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_result.php
@@ -0,0 +1,194 @@
+<?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package	CodeIgniter
+ * @author	EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright	Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license	http://opensource.org/licenses/MIT	MIT License
+ * @link	https://codeigniter.com
+ * @since	Version 3.0.0
+ * @filesource
+ */
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+/**
+ * SQLite3 Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category	Database
+ * @author		Andrey Andreev
+ * @link		https://codeigniter.com/user_guide/database/
+ */
+class CI_DB_sqlite3_result extends CI_DB_result {
+
+	/**
+	 * Number of fields in the result set
+	 *
+	 * @return	int
+	 */
+	public function num_fields()
+	{
+		return $this->result_id->numColumns();
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fetch Field Names
+	 *
+	 * Generates an array of column names
+	 *
+	 * @return	array
+	 */
+	public function list_fields()
+	{
+		$field_names = array();
+		for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
+		{
+			$field_names[] = $this->result_id->columnName($i);
+		}
+
+		return $field_names;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Field data
+	 *
+	 * Generates an array of objects containing field meta-data
+	 *
+	 * @return	array
+	 */
+	public function field_data()
+	{
+		static $data_types = array(
+			SQLITE3_INTEGER	=> 'integer',
+			SQLITE3_FLOAT	=> 'float',
+			SQLITE3_TEXT	=> 'text',
+			SQLITE3_BLOB	=> 'blob',
+			SQLITE3_NULL	=> 'null'
+		);
+
+		$retval = array();
+		for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
+		{
+			$retval[$i]			= new stdClass();
+			$retval[$i]->name		= $this->result_id->columnName($i);
+
+			$type = $this->result_id->columnType($i);
+			$retval[$i]->type		= isset($data_types[$type]) ? $data_types[$type] : $type;
+
+			$retval[$i]->max_length		= NULL;
+		}
+
+		return $retval;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Free the result
+	 *
+	 * @return	void
+	 */
+	public function free_result()
+	{
+		if (is_object($this->result_id))
+		{
+			$this->result_id->finalize();
+			$this->result_id = NULL;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Result - associative array
+	 *
+	 * Returns the result set as an array
+	 *
+	 * @return	array
+	 */
+	protected function _fetch_assoc()
+	{
+		return $this->result_id->fetchArray(SQLITE3_ASSOC);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Result - object
+	 *
+	 * Returns the result set as an object
+	 *
+	 * @param	string	$class_name
+	 * @return	object
+	 */
+	protected function _fetch_object($class_name = 'stdClass')
+	{
+		// No native support for fetching rows as objects
+		if (($row = $this->result_id->fetchArray(SQLITE3_ASSOC)) === FALSE)
+		{
+			return FALSE;
+		}
+		elseif ($class_name === 'stdClass')
+		{
+			return (object) $row;
+		}
+
+		$class_name = new $class_name();
+		foreach (array_keys($row) as $key)
+		{
+			$class_name->$key = $row[$key];
+		}
+
+		return $class_name;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Data Seek
+	 *
+	 * Moves the internal pointer to the desired offset. We call
+	 * this internally before fetching results to make sure the
+	 * result set starts at zero.
+	 *
+	 * @param	int	$n	(ignored)
+	 * @return	array
+	 */
+	public function data_seek($n = 0)
+	{
+		// Only resetting to the start of the result set is supported
+		return ($n > 0) ? FALSE : $this->result_id->reset();
+	}
+
+}