1 <?php

     2 

     3 /*

     4  * This file is part of Twig.

     5  *

     6  * (c) 2009 Fabien Potencier

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 /**

    13  * Loads a template from an array.

    14  *

    15  * When using this loader with a cache mechanism, you should know that a new cache

    16  * key is generated each time a template content "changes" (the cache key being the

    17  * source code of the template). If you don't want to see your cache grows out of

    18  * control, you need to take care of clearing the old cache file by yourself.

    19  *

    20  * @package    twig

    21  * @author     Fabien Potencier <fabien@symfony.com>

    22  */

    23 class Twig_Loader_Array implements Twig_LoaderInterface

    24 {

    25     protected $templates;

    26 

    27     /**

    28      * Constructor.

    29      *

    30      * @param array $templates An array of templates (keys are the names, and values are the source code)

    31      *

    32      * @see Twig_Loader

    33      */

    34     public function __construct(array $templates)

    35     {

    36         $this->templates = array();

    37         foreach ($templates as $name => $template) {

    38             $this->templates[$name] = $template;

    39         }

    40     }

    41 

    42     /**

    43      * Adds or overrides a template.

    44      *

    45      * @param string $name     The template name

    46      * @param string $template The template source

    47      */

    48     public function setTemplate($name, $template)

    49     {

    50         $this->templates[$name] = $template;

    51     }

    52 

    53     /**

    54      * Gets the source code of a template, given its name.

    55      *

    56      * @param  string $name The name of the template to load

    57      *

    58      * @return string The template source code

    59      */

    60     public function getSource($name)

    61     {

    62         if (!isset($this->templates[$name])) {

    63             throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));

    64         }

    65 

    66         return $this->templates[$name];

    67     }

    68 

    69     /**

    70      * Gets the cache key to use for the cache for a given template name.

    71      *

    72      * @param  string $name The name of the template to load

    73      *

    74      * @return string The cache key

    75      */

    76     public function getCacheKey($name)

    77     {

    78         if (!isset($this->templates[$name])) {

    79             throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));

    80         }

    81 

    82         return $this->templates[$name];

    83     }

    84 

    85     /**

    86      * Returns true if the template is still fresh.

    87      *

    88      * @param string    $name The template name

    89      * @param timestamp $time The last modification time of the cached template

    90      */

    91     public function isFresh($name, $time)

    92     {

    93         return true;

    94     }

    95 }