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