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