<?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, $_attr[ 'file' ]); } $compiler->has_code = false; return ''; } /** * Add code for inheritance endChild() method to end of template * * @param \Smarty_Internal_TemplateCompilerBase $compiler * @param null|string $template optional inheritance parent template * * @throws \SmartyCompilerException * @throws \SmartyException */ private function compileEndChild(Smarty_Internal_TemplateCompilerBase $compiler, $template = null) { $inlineUids = ''; if (isset($template) && $compiler->smarty->merge_compiled_includes) { $code = $compiler->compileTag('include', array($template, array('scope' => 'parent'))); if (preg_match('/([,][\s]*[\'][a-z0-9]+[\'][,][\s]*[\']content.*[\'])[)]/', $code, $match)) { $inlineUids = $match[ 1 ]; } } $compiler->parser->template_postfix[] = new Smarty_Internal_ParseTree_Tag( $compiler->parser, '<?php $_smarty_tpl->inheritance->endChild($_smarty_tpl' . (isset($template) ? ", {$template}{$inlineUids}" : '') . ");\n?>" ); } /** * Add code for including subtemplate to end of template * * @param \Smarty_Internal_TemplateCompilerBase $compiler * @param string $template subtemplate name * * @throws \SmartyCompilerException * @throws \SmartyException */ private function compileInclude(Smarty_Internal_TemplateCompilerBase $compiler, $template) { $compiler->parser->template_postfix[] = new Smarty_Internal_ParseTree_Tag( $compiler->parser, $compiler->compileTag( 'include', array( $template, array('scope' => 'parent') ) ) ); } /** * Create source code for {extends} from source components array * * @param \Smarty_Internal_Template $template * * @return string */ public static function extendsSourceArrayCode(Smarty_Internal_Template $template) { $resources = array(); foreach ($template->source->components as $source) { $resources[] = $source->resource; } return $template->smarty->left_delimiter . 'extends file=\'extends:' . join('|', $resources) . '\' extends_resource=true' . $template->smarty->right_delimiter; } }