Database/src/Database/drivers/sqlite/sqlite_result.php

<?php
/**
 * FuzeWorks Framework Database Component.
 *
 * The FuzeWorks PHP FrameWork
 *
 * Copyright (C) 2013-2018 TechFuze
 *
 * 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.
 *
 * @author    TechFuze
 * @copyright Copyright (c) 2013 - 2018, TechFuze. (http://techfuze.net)
 * @license   https://opensource.org/licenses/MIT MIT License
 *
 * @link  http://techfuze.net/fuzeworks
 * @since Version 1.1.4
 *
 * @version Version 1.1.4
 */

/**
 * SQLite Result Class
 *
 * This class extends the parent result class: FW_DB_result
 *
 * Converted from CodeIgniter.
 *
 * @package		FuzeWorks
 * @category	Database
 * @author		EllisLab Dev Team
 * @link		https://codeigniter.com/user_guide/database/
 * @license		http://opensource.org/licenses/MIT	MIT License
 */
class FW_DB_sqlite_result extends FW_DB_result {

	/**
	 * Number of rows in the result set
	 *
	 * @return	int
	 */
	public function num_rows()
	{
		return is_int($this->num_rows)
			? $this->num_rows
			: $this->num_rows = @sqlite_num_rows($this->result_id);
	}

	// --------------------------------------------------------------------

	/**
	 * Number of fields in the result set
	 *
	 * @return	int
	 */
	public function num_fields()
	{
		return @sqlite_num_fields($this->result_id);
	}

	// --------------------------------------------------------------------

	/**
	 * 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++)
		{
			$field_names[$i] = sqlite_field_name($this->result_id, $i);
		}

		return $field_names;
	}

	// --------------------------------------------------------------------

	/**
	 * Field data
	 *
	 * Generates an array of objects containing field meta-data
	 *
	 * @return	array
	 */
	public function field_data()
	{
		$retval = array();
		for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
		{
			$retval[$i]			= new stdClass();
			$retval[$i]->name		= sqlite_field_name($this->result_id, $i);
			$retval[$i]->type		= NULL;
			$retval[$i]->max_length		= NULL;
		}

		return $retval;
	}

	// --------------------------------------------------------------------

	/**
	 * 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	$n
	 * @return	bool
	 */
	public function data_seek($n = 0)
	{
		return sqlite_seek($this->result_id, $n);
	}

	// --------------------------------------------------------------------

	/**
	 * Result - associative array
	 *
	 * Returns the result set as an array
	 *
	 * @return	array
	 */
	protected function _fetch_assoc()
	{
		return sqlite_fetch_array($this->result_id);
	}

	// --------------------------------------------------------------------

	/**
	 * Result - object
	 *
	 * Returns the result set as an object
	 *
	 * @param	string	$class_name
	 * @return	object
	 */
	protected function _fetch_object($class_name = 'stdClass')
	{
		return sqlite_fetch_object($this->result_id, $class_name);
	}

}