library/smarty/libs/sysplugins/smarty_internal_compile_extends.php
author Markus Bröker <broeker.markus@googlemail.com>
Fri, 13 Nov 2015 22:14:54 +0100
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permissions -rw-r--r--
Setup Dateien und initiales Datenbank Layout
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<?php
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/**
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 * Smarty Internal Plugin Compile extend
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 * Compiles the {extends} 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 extend 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_Extends 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 $required_attributes = array('file');
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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 $shorttag_order = array('file');
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    /**
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     * Compiles code for the {extends} tag
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     *
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     * @param array $args array with attributes from parser
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     * @param object $compiler compiler object
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     *
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     * @return string compiled code
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     */
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    public function compile($args, $compiler) {
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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        if ($_attr['nocache'] === true) {
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            $compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);
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        }
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        if (strpos($_attr['file'], '$_tmp') !== false) {
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            $compiler->trigger_template_error('illegal value for file attribute', $compiler->lex->taglineno);
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        }
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        $name = $_attr['file'];
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        /** @var Smarty_Internal_Template $_smarty_tpl
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         * used in evaluated code
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         */
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        $_smarty_tpl = $compiler->template;
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        eval("\$tpl_name = $name;");
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        // create template object
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        $_template = new $compiler->smarty->template_class($tpl_name, $compiler->smarty, $compiler->template);
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        // check for recursion
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        $uid = $_template->source->uid;
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        if (isset($compiler->extends_uid[$uid])) {
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            $compiler->trigger_template_error("illegal recursive call of \"$include_file\"", $compiler->lex->line - 1);
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        }
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        $compiler->extends_uid[$uid] = true;
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        if (empty($_template->source->components)) {
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            array_unshift($compiler->sources, $_template->source);
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        } else {
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            foreach ($_template->source->components as $source) {
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                array_unshift($compiler->sources, $source);
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                $uid = $source->uid;
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                if (isset($compiler->extends_uid[$uid])) {
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                    $compiler->trigger_template_error("illegal recursive call of \"{$source->filepath}\"", $compiler->lex->line - 1);
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                }
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                $compiler->extends_uid[$uid] = true;
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            }
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        }
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        unset ($_template);
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        $compiler->inheritance_child = true;
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        $compiler->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBODY);
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        return '';
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    }
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}