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Add "else" block to "each" helper

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This commit is contained in:
Dmitriy Simushev 2014-01-23 11:34:52 +00:00
parent c83e0fbbf7
commit 93884fb26b
3 changed files with 34 additions and 1 deletions
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11
src/Handlebars/Helpers.php Executable file → Normal file
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@ -9,6 +9,7 @@
* @package Handlebars
* @author fzerorubigd <fzerorubigd@gmail.com>
* @author Behrooz Shabani <everplays@gmail.com>
* @author Dmitriy Simushev <simushevds@gmail.com>
* @copyright 2012 (c) ParsPooyesh Co
* @copyright 2013 (c) Behrooz Shabani
* @license MIT <http://opensource.org/licenses/MIT>
@ -116,7 +117,13 @@ class Helpers
*/
$tmp = $context->get($args);
$buffer = '';
if (is_array($tmp) || $tmp instanceof \Traversable) {
if (!$tmp) {
$template->setStopToken('else');
$template->discard();
$template->setStopToken(false);
$buffer = $template->render($context);
} elseif (is_array($tmp) || $tmp instanceof \Traversable) {
$islist = ($tmp instanceof \Generator) || (array_keys($tmp) == range(0, count($tmp) - 1));
foreach ($tmp as $key => $var) {
@ -126,6 +133,8 @@ class Helpers
$context->pushKey($key);
}
$context->push($var);
$template->setStopToken('else');
$template->rewind();
$buffer .= $template->render($context);
$context->pop();
if ($islist) {

13
src/Handlebars/Template.php Executable file → Normal file
View File

@ -10,6 +10,7 @@
* @author fzerorubigd <fzerorubigd@gmail.com>
* @author Behrooz Shabani <everplays@gmail.com>
* @author Chris Gray <chris.w.gray@gmail.com>
* @author Dmitriy Simushev <simushevds@gmail.com>
* @copyright 2012 (c) ParsPooyesh Co
* @copyright 2013 (c) Behrooz Shabani
* @license MIT <http://opensource.org/licenses/MIT>
@ -230,6 +231,18 @@ class Template
return '';
}
/**
* Rewind top tree index to the first element
*
* @return void
*/
public function rewind()
{
$topStack = array_pop($this->_stack);
$topStack[0] = 0;
array_push($this->_stack, $topStack);
}
/**
* Process section nodes
*

11
tests/Xamin/HandlebarsTest.php
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@ -8,6 +8,7 @@
* @category Xamin
* @package Handlebars
* @author fzerorubigd <fzerorubigd@gmail.com>
* @author Dmitriy Simushev <simushevds@gmail.com>
* @copyright 2013 (c) f0ruD A
* @license MIT <http://opensource.org/licenses/MIT>
* @version GIT: $Id$
@ -162,6 +163,16 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
array('data' => array('key1'=>1, 'key2'=>2,)),
'key1=>1key2=>2'
),
array(
'{{#each data}}{{this}}{{else}}fail{{/each}}',
array('data' => array(1, 2, 3, 4)),
'1234'
),
array(
'{{#each data}}fail{{else}}ok{{/each}}',
array('data' => false),
'ok'
),
array(
'{{#unless data}}ok{{/unless}}',
array('data' => true),