Current File : //proc/1857783/root/var/www/tif-dev/wp-content/plugins/lazy-blocks/vendor/Handlebars/Parser.php
<?php
/**
* This file is part of Handlebars-php
* Base on mustache-php https://github.com/bobthecow/mustache.php
* re-write to use with handlebars
*
* PHP version 5.3
*
* @category Xamin
* @package Handlebars
* @author fzerorubigd <fzerorubigd@gmail.com>
* @author Behrooz Shabani <everplays@gmail.com>
* @copyright 2010-2012 (c) Justin Hileman
* @copyright 2012 (c) ParsPooyesh Co
* @copyright 2013 (c) Behrooz Shabani
* @license MIT <http://opensource.org/licenses/MIT>
* @version GIT: $Id$
* @link http://xamin.ir
*/
namespace Handlebars;
/**
* Handlebars parser (based on mustache)
*
* This class is responsible for turning raw template source into a set of
* Handlebars tokens.
*
* @category Xamin
* @package Handlebars
* @author fzerorubigd <fzerorubigd@gmail.com>
* @copyright 2010-2012 (c) Justin Hileman
* @copyright 2012 (c) ParsPooyesh Co
* @license MIT <http://opensource.org/licenses/MIT>
* @version Release: @package_version@
* @link http://xamin.ir
*/
class Parser
{
/**
* Process array of tokens and convert them into parse tree
*
* @param array $tokens Set of
*
* @return array Token parse tree
*/
public function parse(array $tokens = array())
{
return $this->_buildTree(new \ArrayIterator($tokens));
}
/**
* Helper method for recursively building a parse tree.
* Trim right and trim left is a bit tricky here.
* {{#begin~}}{{TOKEN}}, TOKEN.. {{LAST}}{{~/begin}} is translated to:
* {{#begin}}{{~TOKEN}}, TOKEN.. {{LAST~}}{{/begin}}
*
* @param \ArrayIterator $tokens Stream of tokens
*
* @throws \LogicException when nesting errors or mismatched section tags
* are encountered.
* @return array Token parse tree
*/
private function _buildTree(\ArrayIterator $tokens)
{
$stack = array();
do {
$token = $tokens->current();
$tokens->next();
if ($token !== null) {
switch ($token[Tokenizer::TYPE]) {
case Tokenizer::T_END_SECTION:
$newNodes = array($token);
do {
$result = array_pop($stack);
if ($result === null) {
throw new \LogicException(
sprintf(
'Unexpected closing tag: /%s',
$token[Tokenizer::NAME]
)
);
}
if (!array_key_exists(Tokenizer::NODES, $result)
&& isset($result[Tokenizer::NAME])
&& ($result[Tokenizer::TYPE] == Tokenizer::T_SECTION
|| $result[Tokenizer::TYPE] == Tokenizer::T_INVERTED)
&& $result[Tokenizer::NAME] == $token[Tokenizer::NAME]
) {
if (isset($result[Tokenizer::TRIM_RIGHT])
&& $result[Tokenizer::TRIM_RIGHT]
) {
// If the start node has trim right, then its equal
//with the first item in the loop with
// Trim left
$newNodes[0][Tokenizer::TRIM_LEFT] = true;
}
if (isset($token[Tokenizer::TRIM_RIGHT])
&& $token[Tokenizer::TRIM_RIGHT]
) {
//OK, if we have trim right here, we should
//pass it to the upper level.
$result[Tokenizer::TRIM_RIGHT] = true;
}
$result[Tokenizer::NODES] = $newNodes;
$result[Tokenizer::END] = $token[Tokenizer::INDEX];
array_push($stack, $result);
break;
} else {
array_unshift($newNodes, $result);
}
} while (true);
break;
default:
array_push($stack, $token);
}
}
} while ($tokens->valid());
return $stack;
}
}
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