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<?php
/**
* Smarty Internal Plugin Compile Function
* Compiles the {function} {/function} tags
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile Function Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase
{
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $required_attributes = array('name');
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $shorttag_order = array('name');
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $optional_attributes = array('_any');
/**
* Compiles code for the {function} tag
*
* @param array $args array with attributes from parser
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return bool true
* @throws \SmartyCompilerException
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
if ($_attr[ 'nocache' ] === true) {
$compiler->trigger_template_error('nocache option not allowed', null, true);
}
unset($_attr[ 'nocache' ]);
$_name = trim($_attr[ 'name' ], "'\"");
$compiler->parent_compiler->tpl_function[ $_name ] = array();
$save = array($_attr, $compiler->parser->current_buffer, $compiler->template->compiled->has_nocache_code,
$compiler->template->caching);
$this->openTag($compiler, 'function', $save);
// Init temporary context
$compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
$compiler->template->compiled->has_nocache_code = false;
return true;
}
}
/**
* Smarty Internal Plugin Compile Functionclose Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase
{
/**
* Compiler object
*
* @var object
*/
private $compiler = null;
/**
* Compiles code for the {/function} tag
*
* @param array $args array with attributes from parser
* @param object|\Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return bool true
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
$this->compiler = $compiler;
$saved_data = $this->closeTag($compiler, array('function'));
$_attr = $saved_data[ 0 ];
$_name = trim($_attr[ 'name' ], "'\"");
$compiler->parent_compiler->tpl_function[ $_name ][ 'compiled_filepath' ] =
$compiler->parent_compiler->template->compiled->filepath;
$compiler->parent_compiler->tpl_function[ $_name ][ 'uid' ] = $compiler->template->source->uid;
$_parameter = $_attr;
unset($_parameter[ 'name' ]);
// default parameter
$_paramsArray = array();
foreach ($_parameter as $_key => $_value) {
if (is_int($_key)) {
$_paramsArray[] = "$_key=>$_value";
} else {
$_paramsArray[] = "'$_key'=>$_value";
}
}
if (!empty($_paramsArray)) {
$_params = 'array(' . implode(",", $_paramsArray) . ')';
$_paramsCode = "\$params = array_merge($_params, \$params);\n";
} else {
$_paramsCode = '';
}
$_functionCode = $compiler->parser->current_buffer;
// setup buffer for template function code
$compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
$_funcName = "smarty_template_function_{$_name}_{$compiler->template->compiled->nocache_hash}";
$_funcNameCaching = $_funcName . '_nocache';
if ($compiler->template->compiled->has_nocache_code) {
$compiler->parent_compiler->tpl_function[ $_name ][ 'call_name_caching' ] = $_funcNameCaching;
$output = "<?php\n";
$output .= "/* {$_funcNameCaching} */\n";
$output .= "if (!function_exists('{$_funcNameCaching}')) {\n";
$output .= "function {$_funcNameCaching} (\$_smarty_tpl,\$params) {\n";
$output .= "ob_start();\n";
$output .= "\$_smarty_tpl->compiled->has_nocache_code = true;\n";
$output .= $_paramsCode;
$output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value, \$_smarty_tpl->isRenderingCache);\n}";
$output .= "\$params = var_export(\$params, true);\n";
$output .= "echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
$output .= "\\\$_smarty_tpl->ext->_tplFunction->saveTemplateVariables(\\\$_smarty_tpl, '{$_name}');\nforeach (\$params as \\\$key => \\\$value) {\n\\\$_smarty_tpl->tpl_vars[\\\$key] = new Smarty_Variable(\\\$value, \\\$_smarty_tpl->isRenderingCache);\n}\n?>";
$output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\n\";?>";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
$output = "<?php echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
$output .= "\\\$_smarty_tpl->ext->_tplFunction->restoreTemplateVariables(\\\$_smarty_tpl, '{$_name}');?>\n";
$output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\";\n?>";
$output .= "<?php echo str_replace('{$compiler->template->compiled->nocache_hash}', \$_smarty_tpl->compiled->nocache_hash, ob_get_clean());\n";
$output .= "}\n}\n";
$output .= "/*/ {$_funcName}_nocache */\n\n";
$output .= "?>\n";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$_functionCode = new Smarty_Internal_ParseTree_Tag($compiler->parser,
preg_replace_callback("/((<\?php )?echo '\/\*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/([\S\s]*?)\/\*\/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
array($this, 'removeNocache'),
$_functionCode->to_smarty_php($compiler->parser)));
}
$compiler->parent_compiler->tpl_function[ $_name ][ 'call_name' ] = $_funcName;
$output = "<?php\n";
$output .= "/* {$_funcName} */\n";
$output .= "if (!function_exists('{$_funcName}')) {\n";
$output .= "function {$_funcName}(\$_smarty_tpl,\$params) {\n";
$output .= $_paramsCode;
$output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value, \$_smarty_tpl->isRenderingCache);\n}?>";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
$output = "<?php\n}}\n";
$output .= "/*/ {$_funcName} */\n\n";
$output .= "?>\n";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$compiler->parent_compiler->blockOrFunctionCode .= $compiler->parser->current_buffer->to_smarty_php($compiler->parser);
// nocache plugins must be copied
if (!empty($compiler->template->compiled->required_plugins[ 'nocache' ])) {
foreach ($compiler->template->compiled->required_plugins[ 'nocache' ] as $plugin => $tmp) {
foreach ($tmp as $type => $data) {
$compiler->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin ][ $type ] =
$data;
}
}
}
// restore old buffer
$compiler->parser->current_buffer = $saved_data[ 1 ];
// restore old status
$compiler->template->compiled->has_nocache_code = $saved_data[ 2 ];
$compiler->template->caching = $saved_data[ 3 ];
return true;
}
/**
* Remove nocache code
*
* @param $match
*
* @return string
*/
function removeNocache($match)
{
$code =
preg_replace("/((<\?php )?echo '\/\*%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/)|(\/\*\/%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
'', $match[ 0 ]);
$code = str_replace(array('\\\'', '\\\\\''), array('\'', '\\\''), $code);
return $code;
}
}
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