1: <?php
 2: /**
 3:  * Smarty Internal Plugin Resource Eval
 4:  *
 5:  * @package    Smarty
 6:  * @subpackage TemplateResources
 7:  * @author     Uwe Tews
 8:  * @author     Rodney Rehm
 9:  */
10: 
11: /**
12:  * Smarty Internal Plugin Resource Eval
13:  * Implements the strings as resource for Smarty template
14:  * {@internal unlike string-resources the compiled state of eval-resources is NOT saved for subsequent access}}
15:  *
16:  * @package    Smarty
17:  * @subpackage TemplateResources
18:  */
19: class Smarty_Internal_Resource_Eval extends Smarty_Resource_Recompiled
20: {
21:     /**
22:      * populate Source Object with meta data from Resource
23:      *
24:      * @param  Smarty_Template_Source   $source    source object
25:      * @param  Smarty_Internal_Template $_template template object
26:      *
27:      * @return void
28:      */
29:     public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
30:     {
31:         $source->uid = $source->filepath = sha1($source->name);
32:         $source->timestamp = false;
33:         $source->exists = true;
34:     }
35: 
36:     /**
37:      * Load template's source from $resource_name into current template object
38:      *
39:      * @uses decode() to decode base64 and urlencoded template_resources
40:      *
41:      * @param  Smarty_Template_Source $source source object
42:      *
43:      * @return string                 template source
44:      */
45:     public function getContent(Smarty_Template_Source $source)
46:     {
47:         return $this->decode($source->name);
48:     }
49: 
50:     /**
51:      * decode base64 and urlencode
52:      *
53:      * @param  string $string template_resource to decode
54:      *
55:      * @return string decoded template_resource
56:      */
57:     protected function decode($string)
58:     {
59:         // decode if specified
60:         if (($pos = strpos($string, ':')) !== false) {
61:             if (!strncmp($string, 'base64', 6)) {
62:                 return base64_decode(substr($string, 7));
63:             } elseif (!strncmp($string, 'urlencode', 9)) {
64:                 return urldecode(substr($string, 10));
65:             }
66:         }
67: 
68:         return $string;
69:     }
70: 
71:     /**
72:      * modify resource_name according to resource handlers specifications
73:      *
74:      * @param  Smarty  $smarty        Smarty instance
75:      * @param  string  $resource_name resource_name to make unique
76:      * @param  boolean $is_config     flag for config resource
77:      *
78:      * @return string unique resource name
79:      */
80:     protected function buildUniqueResourceName(Smarty $smarty, $resource_name, $is_config = false)
81:     {
82:         return get_class($this) . '#' . $this->decode($resource_name);
83:     }
84: 
85:     /**
86:      * Determine basename for compiled filename
87:      *
88:      * @param  Smarty_Template_Source $source source object
89:      *
90:      * @return string                 resource's basename
91:      */
92:     protected function getBasename(Smarty_Template_Source $source)
93:     {
94:         return '';
95:     }
96: }
97: