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86 lines
2.7 KiB
PHP
86 lines
2.7 KiB
PHP
<?php
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/**
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* base plugin class
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*
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* you have to implement the <em>process()</em> method, it will receive the parameters that
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* are in the template 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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abstract class Dwoo_Plugin
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{
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/**
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* the dwoo instance that runs this plugin
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*
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* @var Dwoo
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*/
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protected $dwoo;
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/**
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* constructor, if you override it, call parent::__construct($dwoo); or assign
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* the dwoo instance yourself if you need it
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*
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* @param Dwoo $dwoo the dwoo instance that runs this plugin
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*/
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public function __construct(Dwoo $dwoo)
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{
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$this->dwoo = $dwoo;
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}
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// plugins should always implement :
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// public function process($arg, $arg, ...)
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// or for block plugins :
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// public function init($arg, $arg, ...)
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// this could be enforced with :
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// abstract public function process(...);
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// if my feature request gets enough interest one day
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// see => http://bugs.php.net/bug.php?id=44043
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/**
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* utility function that converts an array of compiled parameters (or rest array) to a string of xml/html tag attributes
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*
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* this is to be used in preProcessing or postProcessing functions, example :
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* $p = $compiler->getCompiledParams($params);
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* // get only the rest array as attributes
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* $attributes = Dwoo_Plugin::paramsToAttributes($p['*']);
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* // get all the parameters as attributes (if there is a rest array, it will be included)
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* $attributes = Dwoo_Plugin::paramsToAttributes($p);
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*
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* @param array $params an array of attributeName=>value items that will be compiled to be ready for inclusion in a php string
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* @param string $delim the string delimiter you want to use (defaults to ')
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* @return string
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*/
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public static function paramsToAttributes(array $params, $delim = '\'')
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{
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if (isset($params['*'])) {
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$params = array_merge($params, $params['*']);
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unset($params['*']);
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}
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$out = '';
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foreach ($params as $attr=>$val) {
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$out .= ' '.$attr.'=';
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if (trim($val, '"\'')=='' || $val=='null') {
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$out .= str_replace($delim, '\\'.$delim, '""');
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} elseif (substr($val, 0, 1) === $delim && substr($val, -1) === $delim) {
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$out .= str_replace($delim, '\\'.$delim, '"'.substr($val, 1, -1).'"');
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} else {
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$out .= str_replace($delim, '\\'.$delim, '"') . $delim . '.'.$val.'.' . $delim . str_replace($delim, '\\'.$delim, '"');
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}
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}
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return ltrim($out);
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}
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}
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