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64 lines
1.9 KiB
PHP
64 lines
1.9 KiB
PHP
<?php
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/**
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* Generic else block, it supports all builtin optional-display blocks which are if/for/foreach/loop/with
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*
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* If any of those block contains an else statement, the content between {else} and {/block} (you do not
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* need to close the else block) will be shown if the block's condition has no been met
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*
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* Example :
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*
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* <code>
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* {foreach $array val}
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* $array is not empty so we display it's values : {$val}
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* {else}
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* if this shows, it means that $array is empty or doesn't exist.
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* {/foreach}
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* </code>
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from the use of this software.
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*
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* @author Jordi Boggiano <j.boggiano@seld.be>
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* @copyright Copyright (c) 2008, Jordi Boggiano
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* @license http://dwoo.org/LICENSE Modified BSD License
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* @link http://dwoo.org/
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* @version 1.0.0
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* @date 2008-10-23
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* @package Dwoo
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*/
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class Dwoo_Plugin_else extends Dwoo_Block_Plugin implements Dwoo_ICompilable_Block
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{
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public function init()
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{
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}
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public static function preProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $type)
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{
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$preContent = '';
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while (true) {
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$preContent .= $compiler->removeTopBlock();
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$block =& $compiler->getCurrentBlock();
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$interfaces = class_implements($block['class'], false);
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if (in_array('Dwoo_IElseable', $interfaces) !== false) {
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break;
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}
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}
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$params['initialized'] = true;
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$compiler->injectBlock($type, $params);
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return $preContent;
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}
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public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
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{
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if (!isset($params['initialized'])) {
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return '';
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}
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$block =& $compiler->getCurrentBlock();
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$block['params']['hasElse'] = Dwoo_Compiler::PHP_OPEN."else {\n".Dwoo_Compiler::PHP_CLOSE . $content . Dwoo_Compiler::PHP_OPEN."\n}".Dwoo_Compiler::PHP_CLOSE;
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return '';
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}
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}
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