/usr/share/php/smarty3/sysplugins/smarty_internal_compilebase.php is in smarty3 3.1.13-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Smarty Internal Plugin CompileBase
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* This class does extend all internal compile plugins
*
* @package Smarty
* @subpackage Compiler
*/
abstract class Smarty_Internal_CompileBase {
/**
* Array of names of required attribute required by tag
*
* @var array
*/
public $required_attributes = array();
/**
* Array of names of optional attribute required by tag
* use array('_any') if there is no restriction of attributes names
*
* @var array
*/
public $optional_attributes = array();
/**
* Shorttag attribute order defined by its names
*
* @var array
*/
public $shorttag_order = array();
/**
* Array of names of valid option flags
*
* @var array
*/
public $option_flags = array('nocache');
/**
* This function checks if the attributes passed are valid
*
* The attributes passed for the tag to compile are checked against the list of required and
* optional attributes. Required attributes must be present. Optional attributes are check against
* the corresponding list. The keyword '_any' specifies that any attribute will be accepted
* as valid
*
* @param object $compiler compiler object
* @param array $attributes attributes applied to the tag
* @return array of mapped attributes for further processing
*/
public function getAttributes($compiler, $attributes)
{
$_indexed_attr = array();
// loop over attributes
foreach ($attributes as $key => $mixed) {
// shorthand ?
if (!is_array($mixed)) {
// option flag ?
if (in_array(trim($mixed, '\'"'), $this->option_flags)) {
$_indexed_attr[trim($mixed, '\'"')] = true;
// shorthand attribute ?
} else if (isset($this->shorttag_order[$key])) {
$_indexed_attr[$this->shorttag_order[$key]] = $mixed;
} else {
// too many shorthands
$compiler->trigger_template_error('too many shorthand attributes', $compiler->lex->taglineno);
}
// named attribute
} else {
$kv = each($mixed);
// option flag?
if (in_array($kv['key'], $this->option_flags)) {
if (is_bool($kv['value'])) {
$_indexed_attr[$kv['key']] = $kv['value'];
} else if (is_string($kv['value']) && in_array(trim($kv['value'], '\'"'), array('true', 'false'))) {
if (trim($kv['value']) == 'true') {
$_indexed_attr[$kv['key']] = true;
} else {
$_indexed_attr[$kv['key']] = false;
}
} else if (is_numeric($kv['value']) && in_array($kv['value'], array(0, 1))) {
if ($kv['value'] == 1) {
$_indexed_attr[$kv['key']] = true;
} else {
$_indexed_attr[$kv['key']] = false;
}
} else {
$compiler->trigger_template_error("illegal value of option flag \"{$kv['key']}\"", $compiler->lex->taglineno);
}
// must be named attribute
} else {
reset($mixed);
$_indexed_attr[key($mixed)] = $mixed[key($mixed)];
}
}
}
// check if all required attributes present
foreach ($this->required_attributes as $attr) {
if (!array_key_exists($attr, $_indexed_attr)) {
$compiler->trigger_template_error("missing \"" . $attr . "\" attribute", $compiler->lex->taglineno);
}
}
// check for unallowed attributes
if ($this->optional_attributes != array('_any')) {
$tmp_array = array_merge($this->required_attributes, $this->optional_attributes, $this->option_flags);
foreach ($_indexed_attr as $key => $dummy) {
if (!in_array($key, $tmp_array) && $key !== 0) {
$compiler->trigger_template_error("unexpected \"" . $key . "\" attribute", $compiler->lex->taglineno);
}
}
}
// default 'false' for all option flags not set
foreach ($this->option_flags as $flag) {
if (!isset($_indexed_attr[$flag])) {
$_indexed_attr[$flag] = false;
}
}
return $_indexed_attr;
}
/**
* Push opening tag name on stack
*
* Optionally additional data can be saved on stack
*
* @param object $compiler compiler object
* @param string $openTag the opening tag's name
* @param mixed $data optional data saved
*/
public function openTag($compiler, $openTag, $data = null)
{
array_push($compiler->_tag_stack, array($openTag, $data));
}
/**
* Pop closing tag
*
* Raise an error if this stack-top doesn't match with expected opening tags
*
* @param object $compiler compiler object
* @param array|string $expectedTag the expected opening tag names
* @return mixed any type the opening tag's name or saved data
*/
public function closeTag($compiler, $expectedTag)
{
if (count($compiler->_tag_stack) > 0) {
// get stacked info
list($_openTag, $_data) = array_pop($compiler->_tag_stack);
// open tag must match with the expected ones
if (in_array($_openTag, (array) $expectedTag)) {
if (is_null($_data)) {
// return opening tag
return $_openTag;
} else {
// return restored data
return $_data;
}
}
// wrong nesting of tags
$compiler->trigger_template_error("unclosed {" . $_openTag . "} tag");
return;
}
// wrong nesting of tags
$compiler->trigger_template_error("unexpected closing tag", $compiler->lex->taglineno);
return;
}
}
?>
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