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<?php
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/**
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* Smarty Internal Plugin Compile Print Expression
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*
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* Compiles any tag which will output an expression or variable
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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 Print Expression 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_Private_Print_Expression 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 $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 $option_flags = array('nocache', 'nofilter');
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/**
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* Compiles code for gererting output from any expression
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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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* @param array $parameter array with compilation parameter
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* @return string compiled code
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*/
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public function compile($args, $compiler, $parameter)
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{
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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// nocache option
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if ($_attr['nocache'] === true) {
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$compiler->tag_nocache = true;
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}
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// filter handling
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if ($_attr['nofilter'] === true) {
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$_filter = 'false';
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} else {
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$_filter = 'true';
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}
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if (isset($_attr['assign'])) {
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// assign output to variable
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$output = "<?php \$_smarty_tpl->assign({$_attr['assign']},{$parameter['value']});?>";
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} else {
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// display value
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$output = $parameter['value'];
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// tag modifier
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if (!empty($parameter['modifierlist'])) {
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$output = $compiler->compileTag('private_modifier', array(), array('modifierlist' => $parameter['modifierlist'], 'value' => $output));
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}
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if (!$_attr['nofilter']) {
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// default modifier
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if (!empty($compiler->smarty->default_modifiers)) {
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if (empty($compiler->default_modifier_list)) {
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$modifierlist = array();
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foreach ($compiler->smarty->default_modifiers as $key => $single_default_modifier) {
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preg_match_all('/(\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'|"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|:|[^:]+)/', $single_default_modifier, $mod_array);
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for ($i = 0, $count = count($mod_array[0]);$i < $count;$i++) {
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if ($mod_array[0][$i] != ':') {
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$modifierlist[$key][] = $mod_array[0][$i];
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}
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}
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}
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$compiler->default_modifier_list = $modifierlist;
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}
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$output = $compiler->compileTag('private_modifier', array(), array('modifierlist' => $compiler->default_modifier_list, 'value' => $output));
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}
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// autoescape html
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if ($compiler->template->smarty->escape_html) {
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$output = "htmlspecialchars({$output}, ENT_QUOTES, '" . addslashes(Smarty::$_CHARSET) . "')";
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}
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// loop over registerd filters
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if (!empty($compiler->template->smarty->registered_filters[Smarty::FILTER_VARIABLE])) {
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foreach ($compiler->template->smarty->registered_filters[Smarty::FILTER_VARIABLE] as $key => $function) {
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if (!is_array($function)) {
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$output = "{$function}({$output},\$_smarty_tpl)";
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} else if (is_object($function[0])) {
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$output = "\$_smarty_tpl->smarty->registered_filters[Smarty::FILTER_VARIABLE][{$key}][0]->{$function[1]}({$output},\$_smarty_tpl)";
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} else {
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$output = "{$function[0]}::{$function[1]}({$output},\$_smarty_tpl)";
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}
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}
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}
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// auto loaded filters
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if (isset($compiler->smarty->autoload_filters[Smarty::FILTER_VARIABLE])) {
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foreach ((array)$compiler->template->smarty->autoload_filters[Smarty::FILTER_VARIABLE] as $name) {
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$result = $this->compile_output_filter($compiler, $name, $output);
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if ($result !== false) {
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$output = $result;
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} else {
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// not found, throw exception
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throw new SmartyException("Unable to load filter '{$name}'");
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}
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}
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}
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if (isset($compiler->template->variable_filters)) {
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foreach ($compiler->template->variable_filters as $filter) {
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if (count($filter) == 1 && ($result = $this->compile_output_filter($compiler, $filter[0], $output)) !== false) {
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$output = $result;
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} else {
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$output = $compiler->compileTag('private_modifier', array(), array('modifierlist' => array($filter), 'value' => $output));
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}
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}
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}
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}
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$compiler->has_output = true;
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$output = "<?php echo {$output};?>";
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}
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return $output;
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}
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/**
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* @param object $compiler compiler object
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* @param string $name name of variable filter
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* @param type $output embedded output
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* @return string
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*/
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private function compile_output_filter($compiler, $name, $output)
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{
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$plugin_name = "smarty_variablefilter_{$name}";
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$path = $compiler->smarty->loadPlugin($plugin_name, false);
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if ($path) {
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if ($compiler->template->caching) {
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$compiler->template->required_plugins['nocache'][$name][Smarty::FILTER_VARIABLE]['file'] = $path;
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$compiler->template->required_plugins['nocache'][$name][Smarty::FILTER_VARIABLE]['function'] = $plugin_name;
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} else {
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$compiler->template->required_plugins['compiled'][$name][Smarty::FILTER_VARIABLE]['file'] = $path;
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$compiler->template->required_plugins['compiled'][$name][Smarty::FILTER_VARIABLE]['function'] = $plugin_name;
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}
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} else {
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// not found
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return false;
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}
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return "{$plugin_name}({$output},\$_smarty_tpl)";
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}
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}
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?> |