159 lines
5.3 KiB
PHP
159 lines
5.3 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Compile extend
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* Compiles the {extends} tag
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Uwe Tews
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*/
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/**
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* Smarty Internal Plugin Compile extend Class
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*
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* @package Smarty
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* @subpackage Compiler
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*/
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class Smarty_Internal_Compile_Extends extends Smarty_Internal_Compile_Shared_Inheritance
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{
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $required_attributes = array('file');
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/**
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* Array of names of optional attribute required by tag
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* use array('_any') if there is no restriction of attributes names
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*
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* @var array
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*/
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public $optional_attributes = array('extends_resource');
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $shorttag_order = array('file');
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/**
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* Compiles code for the {extends} tag extends: resource
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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* @throws \SmartyException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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if ($_attr[ 'nocache' ] === true) {
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$compiler->trigger_template_error('nocache option not allowed', $compiler->parser->lex->line - 1);
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}
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if (strpos($_attr[ 'file' ], '$_tmp') !== false) {
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$compiler->trigger_template_error('illegal value for file attribute', $compiler->parser->lex->line - 1);
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}
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// add code to initialize inheritance
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$this->registerInit($compiler, true);
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$file = trim($_attr[ 'file' ], '\'"');
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if (strlen($file) > 8 && substr($file, 0, 8) === 'extends:') {
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// generate code for each template
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$files = array_reverse(explode('|', substr($file, 8)));
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$i = 0;
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foreach ($files as $file) {
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if ($file[ 0 ] === '"') {
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$file = trim($file, '".');
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} else {
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$file = "'{$file}'";
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}
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$i++;
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if ($i === count($files) && isset($_attr[ 'extends_resource' ])) {
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$this->compileEndChild($compiler);
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}
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$this->compileInclude($compiler, $file);
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}
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if (!isset($_attr[ 'extends_resource' ])) {
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$this->compileEndChild($compiler);
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}
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} else {
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$this->compileEndChild($compiler, $_attr[ 'file' ]);
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}
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$compiler->has_code = false;
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return '';
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}
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/**
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* Add code for inheritance endChild() method to end of template
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*
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* @param \Smarty_Internal_TemplateCompilerBase $compiler
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* @param null|string $template optional inheritance parent template
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*
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* @throws \SmartyCompilerException
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* @throws \SmartyException
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*/
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private function compileEndChild(Smarty_Internal_TemplateCompilerBase $compiler, $template = null)
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{
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$inlineUids = '';
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if (isset($template) && $compiler->smarty->merge_compiled_includes) {
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$code = $compiler->compileTag('include', array($template, array('scope' => 'parent')));
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if (preg_match('/([,][\s]*[\'][a-z0-9]+[\'][,][\s]*[\']content.*[\'])[)]/', $code, $match)) {
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$inlineUids = $match[ 1 ];
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}
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}
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$compiler->parser->template_postfix[] = new Smarty_Internal_ParseTree_Tag(
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$compiler->parser,
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'<?php $_smarty_tpl->inheritance->endChild($_smarty_tpl' .
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(isset($template) ?
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", {$template}{$inlineUids}" :
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'') . ");\n?>"
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);
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}
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/**
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* Add code for including subtemplate to end of template
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*
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* @param \Smarty_Internal_TemplateCompilerBase $compiler
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* @param string $template subtemplate name
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*
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* @throws \SmartyCompilerException
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* @throws \SmartyException
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*/
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private function compileInclude(Smarty_Internal_TemplateCompilerBase $compiler, $template)
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{
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$compiler->parser->template_postfix[] = new Smarty_Internal_ParseTree_Tag(
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$compiler->parser,
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$compiler->compileTag(
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'include',
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array(
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$template,
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array('scope' => 'parent')
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)
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)
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);
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}
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/**
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* Create source code for {extends} from source components array
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*
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* @param \Smarty_Internal_Template $template
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*
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* @return string
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*/
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public static function extendsSourceArrayCode(Smarty_Internal_Template $template)
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{
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$resources = array();
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foreach ($template->source->components as $source) {
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$resources[] = $source->resource;
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}
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return $template->smarty->left_delimiter . 'extends file=\'extends:' . join('|', $resources) .
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'\' extends_resource=true' . $template->smarty->right_delimiter;
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}
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}
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