1 files changed, 134 insertions, 0 deletions
diff --git a/lib/smarty3/sysplugins/smarty_internal_compile_extends.php b/lib/smarty3/sysplugins/smarty_internal_compile_extends.php
new file mode 100644
index 0000000..949875c
--- /dev/null
+++ b/lib/smarty3/sysplugins/smarty_internal_compile_extends.php
@@ -0,0 +1,134 @@
+<?php
+
+/**
+ * Smarty Internal Plugin Compile extend
+ * Compiles the {extends} tag
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile extend Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Extends extends Smarty_Internal_Compile_Shared_Inheritance
+{
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $required_attributes = array('file');
+
+    /**
+     * Array of names of optional attribute required by tag
+     * use array('_any') if there is no restriction of attributes names
+     *
+     * @var array
+     */
+    public $optional_attributes = array('extends_resource');
+
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $shorttag_order = array('file');
+
+    /**
+     * Compiles code for the {extends} tag extends: resource
+     *
+     * @param array                                 $args     array with attributes from parser
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
+     *
+     * @return string compiled code
+     * @throws \SmartyCompilerException
+     * @throws \SmartyException
+     */
+    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
+    {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+        if ($_attr[ 'nocache' ] === true) {
+            $compiler->trigger_template_error('nocache option not allowed', $compiler->parser->lex->line - 1);
+        }
+        if (strpos($_attr[ 'file' ], '$_tmp') !== false) {
+            $compiler->trigger_template_error('illegal value for file attribute', $compiler->parser->lex->line - 1);
+        }
+        // add code to initialize inheritance
+        $this->registerInit($compiler, true);
+        $file = trim($_attr[ 'file' ], '\'"');
+        if (strlen($file) > 8 && substr($file, 0, 8) == 'extends:') {
+            // generate code for each template
+            $files = array_reverse(explode('|', substr($file, 8)));
+            $i = 0;
+            foreach ($files as $file) {
+                if ($file[ 0 ] == '"') {
+                    $file = trim($file, '".');
+                } else {
+                    $file = "'{$file}'";
+                }
+                $i ++;
+                if ($i == count($files) && isset($_attr[ 'extends_resource' ])) {
+                    $this->compileEndChild($compiler);
+                }
+                $this->compileInclude($compiler, $file);
+            }
+            if (!isset($_attr[ 'extends_resource' ])) {
+                $this->compileEndChild($compiler);
+            }
+        } else {
+            $this->compileEndChild($compiler);
+            $this->compileInclude($compiler, $_attr[ 'file' ]);
+        }
+        $compiler->has_code = false;
+        return '';
+    }
+
+    /**
+     * Add code for inheritance endChild() method to end of template
+     *
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler
+     */
+    private function compileEndChild(Smarty_Internal_TemplateCompilerBase $compiler)
+    {
+        $compiler->parser->template_postfix[] = new Smarty_Internal_ParseTree_Tag($compiler->parser,
+                                                                                  "<?php \$_smarty_tpl->inheritance->endChild();\n?>\n");
+    }
+
+    /**
+     * Add code for including subtemplate to end of template
+     *
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler
+     * @param  string                               $file subtemplate name
+     */
+    private function compileInclude(Smarty_Internal_TemplateCompilerBase $compiler, $file)
+    {
+        $compiler->parser->template_postfix[] = new Smarty_Internal_ParseTree_Tag($compiler->parser,
+                                                                                  $compiler->compileTag('include',
+                                                                                                        array($file,
+                                                                                                              array('scope' => 'parent'))));
+    }
+
+    /**
+     * Create source code for {extends} from source components array
+     *
+     * @param []\Smarty_Internal_Template_Source $components
+     *
+     * @return string
+     */
+    public static function extendsSourceArrayCode($components)
+    {
+        $resources = array();
+        foreach ($components as $source) {
+            $resources[] = $source->resource;
+        }
+        return '{extends file=\'extends:' . join('|', $resources) . '\' extends_resource=true}';
+    }
+}