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<?php
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/**
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* Smarty Internal Plugin Compile Block Plugin
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* Compiles code for the execution of block plugin
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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 Block Plugin 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_Private_Block_Plugin extends Smarty_Internal_CompileBase
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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 $optional_attributes = array('_any');
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/**
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* nesting level
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*
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* @var int
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*/
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public $nesting = 0;
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/**
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* Compiles code for the execution of block plugin
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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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* @param array $parameter array with compilation parameter
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* @param string $tag name of block plugin
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* @param string $function PHP function name
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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* @throws \SmartyException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter, $tag, $function = null)
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{
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if (!isset($tag[ 5 ]) || substr($tag, -5) !== 'close') {
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// opening tag of block plugin
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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$this->nesting++;
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unset($_attr[ 'nocache' ]);
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list($callback, $_paramsArray, $callable) = $this->setup($compiler, $_attr, $tag, $function);
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$_params = 'array(' . implode(',', $_paramsArray) . ')';
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// compile code
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$output = "<?php ";
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if (is_array($callback)) {
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$output .= "\$_block_plugin{$this->nesting} = isset({$callback[0]}) ? {$callback[0]} : null;\n";
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$callback = "\$_block_plugin{$this->nesting}{$callback[1]}";
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}
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if (isset($callable)) {
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$output .= "if (!is_callable({$callable})) {\nthrow new SmartyException('block tag \'{$tag}\' not callable or registered');\n}\n";
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}
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$output .= "\$_smarty_tpl->smarty->_cache['_tag_stack'][] = array('{$tag}', {$_params});\n";
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$output .= "\$_block_repeat=true;\necho {$callback}({$_params}, null, \$_smarty_tpl, \$_block_repeat);\nwhile (\$_block_repeat) {\nob_start();?>";
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$this->openTag($compiler, $tag, array($_params, $compiler->nocache, $callback));
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// maybe nocache because of nocache variables or nocache plugin
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$compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
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} else {
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// must endblock be nocache?
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if ($compiler->nocache) {
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$compiler->tag_nocache = true;
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}
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// closing tag of block plugin, restore nocache
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list($_params, $compiler->nocache, $callback) = $this->closeTag($compiler, substr($tag, 0, -5));
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// compile code
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if (!isset($parameter[ 'modifier_list' ])) {
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$mod_pre = $mod_post = $mod_content = '';
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$mod_content2 = 'ob_get_clean()';
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} else {
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$mod_content2 = "\$_block_content{$this->nesting}";
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$mod_content = "\$_block_content{$this->nesting} = ob_get_clean();\n";
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$mod_pre = "ob_start();\n";
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$mod_post = 'echo ' . $compiler->compileTag(
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'private_modifier',
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array(),
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array(
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'modifierlist' => $parameter[ 'modifier_list' ],
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'value' => 'ob_get_clean()'
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)
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) . ";\n";
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}
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$output =
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"<?php {$mod_content}\$_block_repeat=false;\n{$mod_pre}echo {$callback}({$_params}, {$mod_content2}, \$_smarty_tpl, \$_block_repeat);\n{$mod_post}}\n";
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$output .= 'array_pop($_smarty_tpl->smarty->_cache[\'_tag_stack\']);?>';
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}
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return $output;
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}
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/**
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* Setup callback and parameter array
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*
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* @param \Smarty_Internal_TemplateCompilerBase $compiler
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* @param array $_attr attributes
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* @param string $tag
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* @param string $function
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*
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* @return array
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*/
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public function setup(Smarty_Internal_TemplateCompilerBase $compiler, $_attr, $tag, $function)
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{
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$_paramsArray = array();
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foreach ($_attr as $_key => $_value) {
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if (is_int($_key)) {
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$_paramsArray[] = "$_key=>$_value";
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} else {
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$_paramsArray[] = "'$_key'=>$_value";
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}
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}
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return array($function, $_paramsArray, null);
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}
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}
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