smarty/libs/sysplugins/smarty_internal_compile_private_print_expression.php

<?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
 */
class Smarty_Internal_Compile_Private_Print_Expression extends Smarty_Internal_CompileBase {
    /**
     * Compiles code for gererting output from any expression
     * 
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @return string compiled code
     */
    public function compile($args, $compiler)
    {
        $this->compiler = $compiler;
        $this->optional_attributes = array('assign');
        $this->required_attributes = array('value');
        $this->optional_attributes = array('assign', 'nocache', 'nofilter', 'modifierlist'); 
        // check and get attributes
        $_attr = $this->_get_attributes($args); 
        // nocache option
        if (isset($_attr['nocache'])) {
            if ($_attr['nocache'] == 'true') {
                $this->compiler->tag_nocache = true;
            } 
        } 

        // filter handling
        if (isset($_attr['nofilter'])) {
            $_filter = 'false';
        } else {
            $_filter = 'true';
        } 

        // compiled output
        if (isset($_attr['assign'])) {
            // assign output to variable
            $output = "<?php \$_smarty_tpl->assign({$_attr['assign']},{$_attr['value']});?>";
        } else {
            // display value
            if (isset($this->compiler->smarty->registered_filters['variable'])) {
                $output = "Smarty_Internal_Filter_Handler::runFilter('variable', {$_attr['value']},\$_smarty_tpl->smarty, \$_smarty_tpl, {$_filter})";
            } else {
                $output = $_attr['value'];
            } 
            if (!isset($_attr['nofilter']) && !empty($this->compiler->smarty->default_modifiers)) {
                $modifierlist = array();
                foreach ($this->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];
                        } 
                    } 
                } 
                $output = $this->compiler->compileTag('private_modifier', array('modifierlist' => $modifierlist, 'value' => $output));
            } 
            if (!empty($_attr['modifierlist'])) {
                $output = $this->compiler->compileTag('private_modifier', array('modifierlist' => $_attr['modifierlist'], 'value' => $output));
            } 
            $this->compiler->has_output = true;
            $output = "<?php echo {$output};?>";
        } 
        return $output;
    } 
} 

?>