1 files changed, 124 insertions, 0 deletions
diff --git a/lib/smarty3/sysplugins/smarty_internal_resource_extends.php b/lib/smarty3/sysplugins/smarty_internal_resource_extends.php
new file mode 100644
index 0000000..4a712e5
--- /dev/null
+++ b/lib/smarty3/sysplugins/smarty_internal_resource_extends.php
@@ -0,0 +1,124 @@
+<?php
+/**
+ * Smarty Internal Plugin Resource Extends
+ *
+ * @package    Smarty
+ * @subpackage TemplateResources
+ * @author     Uwe Tews
+ * @author     Rodney Rehm
+ */
+
+/**
+ * Smarty Internal Plugin Resource Extends
+ * Implements the file system as resource for Smarty which {extend}s a chain of template files templates
+ *
+ * @package    Smarty
+ * @subpackage TemplateResources
+ */
+class Smarty_Internal_Resource_Extends extends Smarty_Resource
+{
+    /**
+     * mbstring.overload flag
+     *
+     * @var int
+     */
+    public $mbstring_overload = 0;
+
+    /**
+     * populate Source Object with meta data from Resource
+     *
+     * @param Smarty_Template_Source   $source    source object
+     * @param Smarty_Internal_Template $_template template object
+     *
+     * @throws SmartyException
+     */
+    public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
+    {
+        $uid = '';
+        $sources = array();
+        $components = explode('|', $source->name);
+        $exists = true;
+        foreach ($components as $component) {
+            /* @var \Smarty_Template_Source $_s */
+            $_s = Smarty_Template_Source::load(null, $source->smarty, $component);
+            if ($_s->type == 'php') {
+                throw new SmartyException("Resource type {$_s->type} cannot be used with the extends resource type");
+            }
+            $sources[ $_s->uid ] = $_s;
+            $uid .= $_s->filepath;
+            if ($_template) {
+                $exists = $exists && $_s->exists;
+            }
+        }
+        $source->components = $sources;
+        $source->filepath = $_s->filepath;
+        $source->uid = sha1($uid . $source->smarty->_joined_template_dir);
+        $source->exists = $exists;
+        if ($_template) {
+            $source->timestamp = $_s->timestamp;
+        }
+    }
+
+    /**
+     * populate Source Object with timestamp and exists from Resource
+     *
+     * @param Smarty_Template_Source $source source object
+     */
+    public function populateTimestamp(Smarty_Template_Source $source)
+    {
+        $source->exists = true;
+        /* @var \Smarty_Template_Source $_s */
+        foreach ($source->components as $_s) {
+            $source->exists = $source->exists && $_s->exists;
+        }
+        $source->timestamp = $source->exists ? $_s->getTimeStamp() : false;
+    }
+
+    /**
+     * Load template's source from files into current template object
+     *
+     * @param Smarty_Template_Source $source source object
+     *
+     * @return string template source
+     * @throws SmartyException if source cannot be loaded
+     */
+    public function getContent(Smarty_Template_Source $source)
+    {
+        if (!$source->exists) {
+            throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
+        }
+
+        $_components = array_reverse($source->components);
+
+        $_content = '';
+        /* @var \Smarty_Template_Source $_s */
+        foreach ($_components as $_s) {
+            // read content
+            $_content .= $_s->getContent();
+        }
+        return $_content;
+    }
+
+    /**
+     * Determine basename for compiled filename
+     *
+     * @param Smarty_Template_Source $source source object
+     *
+     * @return string resource's basename
+     */
+    public function getBasename(Smarty_Template_Source $source)
+    {
+        return str_replace(':', '.', basename($source->filepath));
+    }
+
+    /*
+      * Disable timestamp checks for extends resource.
+      * The individual source components will be checked.
+      *
+      * @return bool
+      */
+    public function checkTimestamps()
+    {
+        return false;
+    }
+}