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Библиотека для cis, online, cms1

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Фёдор Подлеснов 2016-06-29 18:51:32 +03:00
commit 3c2e614d87
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99
PHPTAL/Php/TalesChainExecutor.php Normal file
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<?php
/**
* @package phptal.php
*/
interface PHPTAL_Php_TalesChainReader
{
public function talesChainNothingKeyword(PHPTAL_Php_TalesChainExecutor $executor);
public function talesChainDefaultKeyword(PHPTAL_Php_TalesChainExecutor $executor);
public function talesChainPart(PHPTAL_Php_TalesChainExecutor $executor, $expression, $islast);
}
/**
* @package phptal.php
*/
class PHPTAL_Php_TalesChainExecutor
{
const CHAIN_BREAK = 1;
const CHAIN_CONT = 2;
public function __construct($generator, $chain, $reader)
{
assert(is_array($chain));
$this->_chain = $chain;
$this->_chainStarted = false;
$this->_chainGenerator = $generator;
$this->_reader = $reader;
$this->_executeChain();
}
public function doIf($condition)
{
if ($this->_chainStarted == false){
$this->_chainStarted = true;
$this->_chainGenerator->doIf($condition);
}
else {
$this->_chainGenerator->doElseIf($condition);
}
}
public function doElse()
{
if ($this->_chainStarted){
$this->_chainGenerator->doElse();
}
}
public function breakChain()
{
$this->_state = self::CHAIN_BREAK;
}
public function continueChain()
{
$this->_state = self::CHAIN_CONT;
}
private function _executeChain()
{
$this->_chainGenerator->noThrow(true);
end($this->_chain); $lastkey = key($this->_chain);
foreach ($this->_chain as $key => $exp){
$this->_state = 0;
if ($exp == PHPTAL_TALES_NOTHING_KEYWORD){
$this->_reader->talesChainNothingKeyword($this);
if ($this->_state == self::CHAIN_BREAK)
break;
if ($this->_state == self::CHAIN_CONT)
continue;
}
else if ($exp == PHPTAL_TALES_DEFAULT_KEYWORD){
$this->_reader->talesChainDefaultKeyword($this);
if ($this->_state == self::CHAIN_BREAK)
break;
if ($this->_state == self::CHAIN_CONT)
continue;
}
else {
$this->_reader->talesChainPart($this, $exp, $lastkey === $key);
if ($this->_state == self::CHAIN_BREAK)
break;
if ($this->_state == self::CHAIN_CONT)
continue;
}
}
$this->_chainGenerator->doEnd();
$this->_chainGenerator->noThrow(false);
}
private $_state = 0;
private $_chain;
private $_chainStarted = false;
private $_chainGenerator = null;
}
?>