<?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)
{
$compiler->loopNesting++;
// 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'], "'\"");
$compiler->parent_compiler->template->tpl_function[$_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)
{
$compiler->loopNesting--;
$this->compiler = $compiler;
$saved_data = $this->closeTag($compiler, array('function'));
$_attr = $saved_data[0];
$_name = trim($_attr['name'], "'\"");
$compiler->parent_compiler->template->tpl_function[$_name]['called_functions'] = $compiler->called_functions;
$compiler->parent_compiler->template->tpl_function[$_name]['compiled_filepath'] = $compiler->parent_compiler->template->compiled->filepath;
$compiler->parent_compiler->template->tpl_function[$_name]['uid'] = $compiler->template->source->uid;
$compiler->called_functions = array();
$_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) {
$compiler->parent_compiler->template->tpl_function[$_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 .= "\$_smarty_tpl->_cache['saved_tpl_vars'][] = \$_smarty_tpl->tpl_vars;\n";
$output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value);\n}";
$output .= "\$params = var_export(\$params, true);\n";
$output .= "echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
$output .= "\\\$saved_tpl_vars = \\\$_smarty_tpl->tpl_vars;\nforeach (\$params as \\\$key => \\\$value) {\n\\\$_smarty_tpl->tpl_vars[\\\$key] = new Smarty_Variable(\\\$value);\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 .= "foreach (Smarty::\\\$global_tpl_vars as \\\$key => \\\$value){\n";
$output .= "if (!isset(\\\$_smarty_tpl->tpl_vars[\\\$key]) || \\\$_smarty_tpl->tpl_vars[\\\$key] === \\\$value) \\\$saved_tpl_vars[\\\$key] = \\\$value;\n}\n";
$output .= "\\\$_smarty_tpl->tpl_vars = \\\$saved_tpl_vars;?>\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 .= "\$_smarty_tpl->tpl_vars = array_pop(\$_smarty_tpl->_cache['saved_tpl_vars']);\n}\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)));
}
$compiler->parent_compiler->template->tpl_function[$_name]['call_name'] = $_funcName;
$output = "<?php\n";
$output .= "/* {$_funcName} */\n";
$output .= "if (!function_exists('{$_funcName}')) {\n";
$output .= "function {$_funcName}(\$_smarty_tpl,\$params) {\n";
$output .= "\$saved_tpl_vars = \$_smarty_tpl->tpl_vars;\n";
$output .= $_paramsCode;
$output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value);\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 foreach (Smarty::\$global_tpl_vars as \$key => \$value){\n";
$output .= "if (!isset(\$_smarty_tpl->tpl_vars[\$key]) || \$_smarty_tpl->tpl_vars[\$key] === \$value) \$saved_tpl_vars[\$key] = \$value;\n}\n";
$output .= "\$_smarty_tpl->tpl_vars = \$saved_tpl_vars;\n}\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;
}
/**
* @param $match
*
* @return mixed
*/
function removeNocache($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;
}
}
