<?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 object $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return boolean true
*/
public function compile($args, $compiler, $parameter)
{
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
if ($_attr['nocache'] === true) {
$compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);
}
unset($_attr['nocache']);
$save = array($_attr, $compiler->parser->current_buffer,
$compiler->template->has_nocache_code, $compiler->template->required_plugins);
$this->openTag($compiler, 'function', $save);
$_name = trim($_attr['name'], "'\"");
unset($_attr['name']);
// set flag that we are compiling a template function
$compiler->compiles_template_function = true;
$compiler->template->properties['function'][$_name]['parameter'] = array();
/** @var Smarty_Internal_Template $_smarty_tpl
* used in evaluated code
*/
$_smarty_tpl = $compiler->template;
foreach ($_attr as $_key => $_data) {
eval ('$tmp=' . $_data . ';');
$compiler->template->properties['function'][$_name]['parameter'][$_key] = $tmp;
}
$compiler->smarty->template_functions[$_name]['parameter'] = $compiler->template->properties['function'][$_name]['parameter'];
if ($compiler->template->caching) {
$output = '';
} else {
$output = "<?php if (!function_exists('smarty_template_function_{$_name}')) {
function smarty_template_function_{$_name}(\$_smarty_tpl,\$params) {
\$saved_tpl_vars = \$_smarty_tpl->tpl_vars;
foreach (\$_smarty_tpl->smarty->template_functions['{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);};
foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>";
}
// Init temporary context
$compiler->template->required_plugins = array('compiled' => array(), 'nocache' => array());
$compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser);
$compiler->parser->current_buffer->append_subtree(new _smarty_tag($compiler->parser, $output));
$compiler->template->has_nocache_code = false;
$compiler->has_code = false;
$compiler->template->properties['function'][$_name]['compiled'] = '';
return true;
}
}
/**
* Smarty Internal Plugin Compile Functionclose Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase
{
/**
* Compiles code for the {/function} tag
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return boolean true
*/
public function compile($args, $compiler, $parameter)
{
$_attr = $this->getAttributes($compiler, $args);
$saved_data = $this->closeTag($compiler, array('function'));
$_name = trim($saved_data[0]['name'], "'\"");
// build plugin include code
$plugins_string = '';
if (!empty($compiler->template->required_plugins['compiled'])) {
$plugins_string = '<?php ';
foreach ($compiler->template->required_plugins['compiled'] as $tmp) {
foreach ($tmp as $data) {
$plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n";
}
}
$plugins_string .= '?>';
}
if (!empty($compiler->template->required_plugins['nocache'])) {
$plugins_string .= "<?php echo '/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";
foreach ($compiler->template->required_plugins['nocache'] as $tmp) {
foreach ($tmp as $data) {
$plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n";
}
}
$plugins_string .= "?>/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/';?>\n";
}
// remove last line break from function definition
$last = count($compiler->parser->current_buffer->subtrees) - 1;
if ($compiler->parser->current_buffer->subtrees[$last] instanceof _smarty_linebreak) {
unset($compiler->parser->current_buffer->subtrees[$last]);
}
// if caching save template function for possible nocache call
if ($compiler->template->caching) {
$compiler->template->properties['function'][$_name]['compiled'] .= $plugins_string
. $compiler->parser->current_buffer->to_smarty_php();
$compiler->template->properties['function'][$_name]['nocache_hash'] = $compiler->template->properties['nocache_hash'];
$compiler->template->properties['function'][$_name]['has_nocache_code'] = $compiler->template->has_nocache_code;
$compiler->template->properties['function'][$_name]['called_functions'] = $compiler->called_functions;
$compiler->called_functions = array();
$compiler->smarty->template_functions[$_name] = $compiler->template->properties['function'][$_name];
$compiler->has_code = false;
$output = true;
} else {
$output = $plugins_string . $compiler->parser->current_buffer->to_smarty_php() . "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;
foreach (Smarty::\$global_tpl_vars as \$key => \$value) if(!isset(\$_smarty_tpl->tpl_vars[\$key])) \$_smarty_tpl->tpl_vars[\$key] = \$value;}}?>\n";
}
// reset flag that we are compiling a template function
$compiler->compiles_template_function = false;
// restore old compiler status
$compiler->parser->current_buffer = $saved_data[1];
$compiler->template->has_nocache_code = $compiler->template->has_nocache_code | $saved_data[2];
$compiler->template->required_plugins = $saved_data[3];
return $output;
}
}
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