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2809 rexy 1
<?php
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/**
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 * Smarty Internal Plugin Compile Print Expression
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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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    /**
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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 generating 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 \Smarty_Internal_TemplateCompilerBase $compiler  compiler object
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     * @param array                                 $parameter array with compilation parameter
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     *
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     * @return string
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     * @throws \SmartyException
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     */
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    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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    {
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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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(
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                'private_modifier',
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                array(),
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                array(
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                    'modifierlist' => $parameter[ 'modifierlist' ],
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                    'value'        => $output
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                )
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            );
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        }
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        if (isset($_attr[ 'assign' ])) {
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            // assign output to variable
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            return "<?php \$_smarty_tpl->assign({$_attr['assign']},{$output});?>";
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        } else {
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            // display value
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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(
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                                '/(\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'|"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|:|[^:]+)/',
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                                $single_default_modifier,
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                                $mod_array
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                            );
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                            for ($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(
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                        'private_modifier',
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                        array(),
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                        array(
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                            'modifierlist' => $compiler->default_modifier_list,
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                            'value'        => $output
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                        )
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                    );
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                }
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                // autoescape html
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                if ($compiler->template->smarty->escape_html) {
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                    $output = "htmlspecialchars({$output}, ENT_QUOTES, '" . addslashes(Smarty::$_CHARSET) . "')";
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                }
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                // loop over registered filters
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                if (!empty($compiler->template->smarty->registered_filters[ Smarty::FILTER_VARIABLE ])) {
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                    foreach ($compiler->template->smarty->registered_filters[ Smarty::FILTER_VARIABLE ] as $key =>
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                        $function) {
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                        if (!is_array($function)) {
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                            $output = "{$function}({$output},\$_smarty_tpl)";
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                        } elseif (is_object($function[ 0 ])) {
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                            $output =
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                                "\$_smarty_tpl->smarty->registered_filters[Smarty::FILTER_VARIABLE]['{$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 = $this->compile_variable_filter($compiler, $name, $output);
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                        if ($result !== false) {
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                            $output = $result;
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                        } else {
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                            // not found, throw exception
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                            throw new SmartyException("Unable to load variable filter '{$name}'");
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                        }
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                    }
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                }
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                foreach ($compiler->variable_filters as $filter) {
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                    if (count($filter) === 1
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                        && ($result = $this->compile_variable_filter($compiler, $filter[ 0 ], $output)) !== false
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                    ) {
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                        $output = $result;
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                    } else {
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                        $output = $compiler->compileTag(
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                            'private_modifier',
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                            array(),
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                            array('modifierlist' => array($filter), 'value' => $output)
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                        );
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                    }
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                }
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            }
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            $output = "<?php echo {$output};?>\n";
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        }
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        return $output;
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    }
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    /**
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     * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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     * @param string                                $name     name of variable filter
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     * @param string                                $output   embedded output
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     *
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     * @return string
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     * @throws \SmartyException
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     */
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    private function compile_variable_filter(Smarty_Internal_TemplateCompilerBase $compiler, $name, $output)
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    {
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        $function = $compiler->getPlugin($name, 'variablefilter');
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        if ($function) {
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            return "{$function}({$output},\$_smarty_tpl)";
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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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    }
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}