176 lines
No EOL
6.3 KiB
PHP
176 lines
No EOL
6.3 KiB
PHP
<?php
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|