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<?php
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/**
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* Smarty Internal Plugin Compile Assign
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* Compiles the {assign} 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 Assign 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_Assign extends Smarty_Internal_CompileBase
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{
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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 $option_flags = array('nocache', 'noscope');
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/**
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* Valid scope names
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*
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* @var array
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*/
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public $valid_scopes = array(
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'local' => Smarty::SCOPE_LOCAL, 'parent' => Smarty::SCOPE_PARENT,
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'root' => Smarty::SCOPE_ROOT, 'global' => Smarty::SCOPE_GLOBAL,
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'tpl_root' => Smarty::SCOPE_TPL_ROOT, 'smarty' => Smarty::SCOPE_SMARTY
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);
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/**
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* Compiles code for the {assign} tag
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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* @param array $parameter array with compilation parameter
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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{
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// the following must be assigned at runtime because it will be overwritten in Smarty_Internal_Compile_Append
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$this->required_attributes = array('var', 'value');
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$this->shorttag_order = array('var', 'value');
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$this->optional_attributes = array('scope');
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$this->mapCache = array();
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$_nocache = false;
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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// nocache ?
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if ($_var = $compiler->getId($_attr[ 'var' ])) {
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$_var = "'{$_var}'";
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} else {
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$_var = $_attr[ 'var' ];
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}
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if ($compiler->tag_nocache || $compiler->nocache) {
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$_nocache = true;
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// create nocache var to make it know for further compiling
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$compiler->setNocacheInVariable($_attr[ 'var' ]);
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}
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// scope setup
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if ($_attr[ 'noscope' ]) {
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$_scope = -1;
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} else {
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$_scope = $compiler->convertScope($_attr, $this->valid_scopes);
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}
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// optional parameter
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$_params = '';
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if ($_nocache || $_scope) {
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$_params .= ' ,' . var_export($_nocache, true);
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}
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if ($_scope) {
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$_params .= ' ,' . $_scope;
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}
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if (isset($parameter[ 'smarty_internal_index' ])) {
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$output =
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"<?php \$_tmp_array = isset(\$_smarty_tpl->tpl_vars[{$_var}]) ? \$_smarty_tpl->tpl_vars[{$_var}]->value : array();\n";
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$output .= "if (!(is_array(\$_tmp_array) || \$_tmp_array instanceof ArrayAccess)) {\n";
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$output .= "settype(\$_tmp_array, 'array');\n";
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$output .= "}\n";
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$output .= "\$_tmp_array{$parameter['smarty_internal_index']} = {$_attr['value']};\n";
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$output .= "\$_smarty_tpl->_assignInScope({$_var}, \$_tmp_array{$_params});?>";
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} else {
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$output = "<?php \$_smarty_tpl->_assignInScope({$_var}, {$_attr['value']}{$_params});?>";
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}
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return $output;
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}
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}
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