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