<?php

/**

 * Smarty Internal Plugin Resource PHP

 * Implements the file system as resource for PHP templates

 *

 * @package    Smarty

 * @subpackage TemplateResources

 * @author     Uwe Tews

 * @author     Rodney Rehm

 */

class Smarty_Internal_Resource_Php extends Smarty_Internal_Resource_File {

    /**

     * Flag that it's an uncompiled resource

     *

     * @var bool

     */

    public $uncompiled = true;

    /**

     * container for short_open_tag directive's value before executing PHP templates

     *

     * @var string

     */

    protected $short_open_tag;

    /**

     * Create a new PHP Resource

     */

    public function __construct() {

        $this->short_open_tag = ini_get('short_open_tag');

    }

    /**

     * Load template's source from file into current template object

     *

     * @param  Smarty_Template_Source $source source object

     *

     * @return string                 template source

     * @throws SmartyException        if source cannot be loaded

     */

    public function getContent(Smarty_Template_Source $source) {

        if ($source->timestamp) {

            return '';

        }

        throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");

    }

    /**

     * Render and output the template (without using the compiler)

     *

     * @param  Smarty_Template_Source $source source object

     * @param  Smarty_Internal_Template $_template template object

     *

     * @return void

     * @throws SmartyException          if template cannot be loaded or allow_php_templates is disabled

     */

    public function renderUncompiled(Smarty_Template_Source $source, Smarty_Internal_Template $_template) {

        if (!$source->smarty->allow_php_templates) {

            throw new SmartyException("PHP templates are disabled");

        }

        if (!$source->exists) {

            if ($_template->parent instanceof Smarty_Internal_Template) {

                $parent_resource = " in '{$_template->parent->template_resource}'";

            } else {

                $parent_resource = '';

            }

            throw new SmartyException("Unable to load template {$source->type} '{$source->name}'{$parent_resource}");

        }

        // prepare variables

        extract($_template->getTemplateVars());

        // include PHP template with short open tags enabled

        ini_set('short_open_tag', '1');

        /** @var Smarty_Internal_Template $_smarty_template

         * used in included file

         */

        $_smarty_template = $_template;

        include($source->filepath);

        ini_set('short_open_tag', $this->short_open_tag);

    }

    /**

     * populate compiled object with compiled filepath

     *

     * @param Smarty_Template_Compiled $compiled compiled object

     * @param Smarty_Internal_Template $_template template object (is ignored)

     */

    public function populateCompiledFilepath(Smarty_Template_Compiled $compiled, Smarty_Internal_Template $_template) {

        $compiled->filepath = false;

        $compiled->timestamp = false;

        $compiled->exists = false;

    }

}