library/smarty/libs/sysplugins/smarty_internal_resource_extends.php
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Setup Dateien und initiales Datenbank Layout
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<?php
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/**
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 * Smarty Internal Plugin Resource Extends
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 *
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 * @package    Smarty
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 * @subpackage TemplateResources
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 * @author     Uwe Tews
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 * @author     Rodney Rehm
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 */
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/**
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 * Smarty Internal Plugin Resource Extends
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 * Implements the file system as resource for Smarty which {extend}s a chain of template files templates
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 *
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 * @package    Smarty
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 * @subpackage TemplateResources
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 */
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class Smarty_Internal_Resource_Extends extends Smarty_Resource {
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    /**
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     * mbstring.overload flag
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     *
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     * @var int
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     */
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    public $mbstring_overload = 0;
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    /**
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     * populate Source Object with meta data from Resource
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     *
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     * @param Smarty_Template_Source $source source object
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     * @param Smarty_Internal_Template $_template template object
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     *
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     * @throws SmartyException
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     */
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    public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null) {
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        $uid = sha1(getcwd());
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        $sources = array();
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        $components = explode('|', $source->name);
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        $exists = true;
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        foreach ($components as $component) {
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            $s = Smarty_Resource::source(null, $source->smarty, $component);
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            if ($s->type == 'php') {
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                throw new SmartyException("Resource type {$s->type} cannot be used with the extends resource type");
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            }
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            $sources[$s->uid] = $s;
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            $uid .= realpath($s->filepath);
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            if ($_template && $_template->smarty->compile_check) {
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                $exists = $exists && $s->exists;
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            }
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        }
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        $source->components = $sources;
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        $source->filepath = $s->filepath;
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        $source->uid = sha1($uid);
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        if ($_template && $_template->smarty->compile_check) {
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            $source->timestamp = $s->timestamp;
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            $source->exists = $exists;
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        }
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        // need the template at getContent()
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        $source->template = $_template;
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    }
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    /**
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     * populate Source Object with timestamp and exists from Resource
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     *
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     * @param Smarty_Template_Source $source source object
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     */
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    public function populateTimestamp(Smarty_Template_Source $source) {
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        $source->exists = true;
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        foreach ($source->components as $s) {
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            $source->exists = $source->exists && $s->exists;
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        }
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        $source->timestamp = $s->timestamp;
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    }
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    /**
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     * Load template's source from files into current template object
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     *
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     * @param Smarty_Template_Source $source source object
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     *
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     * @return string template source
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     * @throws SmartyException if source cannot be loaded
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     */
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    public function getContent(Smarty_Template_Source $source) {
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        if (!$source->exists) {
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            throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
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        }
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        $_components = array_reverse($source->components);
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        $_content = '';
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        foreach ($_components as $_component) {
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            // read content
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            $_content .= $_component->content;
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        }
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        return $_content;
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    }
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    /**
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     * Determine basename for compiled filename
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     *
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     * @param Smarty_Template_Source $source source object
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     *
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     * @return string resource's basename
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     */
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    public function getBasename(Smarty_Template_Source $source) {
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        return str_replace(':', '.', basename($source->filepath));
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    }
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}