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<?php
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/**
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* Smarty Internal Plugin Compile Eval
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*
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* Compiles the {eval} tag.
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Uwe Tews
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*/
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/**
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* Smarty Internal Plugin Compile Eval Class
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*
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* @package Smarty
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* @subpackage Compiler
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*/
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class Smarty_Internal_Compile_Eval extends Smarty_Internal_CompileBase {
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $required_attributes = array('var');
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $optional_attributes = array('assign');
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $shorttag_order = array('var','assign');
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/**
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* Compiles code for the {eval} tag
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*
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* @param array $args array with attributes from parser
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* @param object $compiler compiler object
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* @return string compiled code
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*/
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public function compile($args, $compiler)
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{
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$this->required_attributes = array('var');
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$this->optional_attributes = array('assign');
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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if (isset($_attr['assign'])) {
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// output will be stored in a smarty variable instead of beind displayed
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$_assign = $_attr['assign'];
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}
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// create template object
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$_output = "\$_template = new {$compiler->smarty->template_class}('eval:'.".$_attr['var'].", \$_smarty_tpl->smarty, \$_smarty_tpl);";
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//was there an assign attribute?
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if (isset($_assign)) {
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$_output .= "\$_smarty_tpl->assign($_assign,\$_template->fetch());";
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} else {
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$_output .= "echo \$_template->fetch();";
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}
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return "<?php $_output ?>";
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}
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}
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?> |