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<?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;
}
}
|
