133 lines
2.6 KiB
PHP
133 lines
2.6 KiB
PHP
<?php
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/**
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* @package FrameworkOnFramework
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* @subpackage database
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* @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*
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* This file is adapted from the Joomla! Platform. It is used to iterate a database cursor returning F0FTable objects
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* instead of plain stdClass objects
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*/
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// Protect from unauthorized access
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defined('F0F_INCLUDED') or die;
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/**
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* Query Element Class.
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*
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* @property-read string $name The name of the element.
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* @property-read array $elements An array of elements.
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* @property-read string $glue Glue piece.
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*
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* @since 11.1
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*/
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class F0FDatabaseQueryElement
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{
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/**
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* @var string The name of the element.
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* @since 11.1
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*/
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protected $name = null;
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/**
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* @var array An array of elements.
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* @since 11.1
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*/
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protected $elements = null;
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/**
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* @var string Glue piece.
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* @since 11.1
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*/
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protected $glue = null;
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/**
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* Constructor.
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*
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* @param string $name The name of the element.
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* @param mixed $elements String or array.
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* @param string $glue The glue for elements.
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*
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* @since 11.1
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*/
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public function __construct($name, $elements, $glue = ',')
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{
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$this->elements = array();
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$this->name = $name;
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$this->glue = $glue;
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$this->append($elements);
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}
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/**
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* Magic function to convert the query element to a string.
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*
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* @return string
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*
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* @since 11.1
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*/
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public function __toString()
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{
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if (substr($this->name, -2) == '()')
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{
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return PHP_EOL . substr($this->name, 0, -2) . '(' . implode($this->glue, $this->elements) . ')';
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}
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else
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{
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return PHP_EOL . $this->name . ' ' . implode($this->glue, $this->elements);
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}
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}
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/**
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* Appends element parts to the internal list.
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*
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* @param mixed $elements String or array.
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*
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* @return void
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*
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* @since 11.1
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*/
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public function append($elements)
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{
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if (is_array($elements))
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{
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$this->elements = array_merge($this->elements, $elements);
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}
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else
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{
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$this->elements = array_merge($this->elements, array($elements));
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}
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}
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/**
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* Gets the elements of this element.
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*
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* @return array
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*
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* @since 11.1
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*/
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public function getElements()
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{
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return $this->elements;
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}
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/**
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* Method to provide deep copy support to nested objects and arrays
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* when cloning.
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*
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* @return void
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*
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* @since 11.3
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*/
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public function __clone()
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{
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foreach ($this as $k => $v)
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{
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if (is_object($v) || is_array($v))
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{
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$this->{$k} = unserialize(serialize($v));
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}
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}
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}
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}
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