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<?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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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($compiler->parser, |
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"<?php \$_smarty_tpl->inheritance->endChild(\$_smarty_tpl" . |
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(isset($template) ? |
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', ' . $template . $inlineUids : |
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'') . ");\n?>\n"); |
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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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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($compiler->parser, |
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$compiler->compileTag('include', |
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array($template, |
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array('scope' => 'parent')))); |
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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_Source $components |
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* |
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* @return string |
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*/ |
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public static function extendsSourceArrayCode($components) |
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{ |
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$resources = array(); |
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foreach ($components as $source) { |
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$resources[] = $source->resource; |
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} |
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return '{extends file=\'extends:' . join('|', $resources) . '\' extends_resource=true}'; |
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} |
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} |
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