1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Templating;
  9: 
 10: use Nette,
 11:     Nette\Caching;
 12: 
 13: 
 14: /**
 15:  * Template stored in file.
 16:  *
 17:  * @author     David Grudl
 18:  */
 19: class FileTemplate extends Template implements IFileTemplate
 20: {
 21:     /** @var string */
 22:     private $file;
 23: 
 24: 
 25:     /**
 26:      * Constructor.
 27:      * @param  string  template file path
 28:      */
 29:     public function __construct($file = NULL)
 30:     {
 31:         if ($file !== NULL) {
 32:             $this->setFile($file);
 33:         }
 34:     }
 35: 
 36: 
 37:     /**
 38:      * Sets the path to the template file.
 39:      * @param  string  template file path
 40:      * @return self
 41:      */
 42:     public function setFile($file)
 43:     {
 44:         $this->file = realpath($file);
 45:         if (!$this->file) {
 46:             throw new Nette\FileNotFoundException("Missing template file '$file'.");
 47:         }
 48:         return $this;
 49:     }
 50: 
 51: 
 52:     /**
 53:      * Returns the path to the template file.
 54:      * @return string  template file path
 55:      */
 56:     public function getFile()
 57:     {
 58:         return $this->file;
 59:     }
 60: 
 61: 
 62:     /**
 63:      * Returns template source code.
 64:      * @return string
 65:      */
 66:     public function getSource()
 67:     {
 68:         return file_get_contents($this->file);
 69:     }
 70: 
 71: 
 72:     /********************* rendering ****************d*g**/
 73: 
 74: 
 75:     /**
 76:      * Renders template to output.
 77:      * @return void
 78:      */
 79:     public function render()
 80:     {
 81:         if ($this->file == NULL) { // intentionally ==
 82:             throw new Nette\InvalidStateException("Template file name was not specified.");
 83:         }
 84: 
 85:         $cache = new Caching\Cache($storage = $this->getCacheStorage(), 'Nette.FileTemplate');
 86:         if ($storage instanceof Caching\Storages\PhpFileStorage) {
 87:             $storage->hint = str_replace(dirname(dirname($this->file)), '', $this->file);
 88:         }
 89:         $cached = $compiled = $cache->load($this->file);
 90: 
 91:         if ($compiled === NULL) {
 92:             try {
 93:                 $compiled = "<?php\n\n// source file: $this->file\n\n?>" . $this->compile();
 94: 
 95:             } catch (FilterException $e) {
 96:                 $e->setSourceFile($this->file);
 97:                 throw $e;
 98:             }
 99: 
100:             $cache->save($this->file, $compiled, array(
101:                 Caching\Cache::FILES => $this->file,
102:                 Caching\Cache::CONSTS => 'Nette\Framework::REVISION',
103:             ));
104:             $cached = $cache->load($this->file);
105:         }
106: 
107:         if ($cached !== NULL && $storage instanceof Caching\Storages\PhpFileStorage) {
108:             Nette\Utils\LimitedScope::load($cached['file'], $this->getParameters());
109:         } else {
110:             Nette\Utils\LimitedScope::evaluate($compiled, $this->getParameters());
111:         }
112:     }
113: 
114: }
115: