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Merge pull request #17 from diosney/master

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Helpers: Added PHP 5.2 support.
This commit is contained in:
Behrooz Shabani 2013-08-21 08:31:51 -07:00
commit dd7df5bf65
2 changed files with 123 additions and 56 deletions
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1
.travis.yml
View File

@ -1,4 +1,5 @@
language: php
php:
- 5.2
- 5.3
- 5.4

178
src/Handlebars/Helpers.php
View File

@ -59,79 +59,145 @@ class Handlebars_Helpers
}
}
}
/**
* Create handler for the 'if' helper.
* Needed for compatibility with PHP 5.2 since it doesn't support anonymous functions.
*
* @param $template
* @param $context
* @param $args
* @param $source
*
* @return mixed
*/
public static function _helper_if($template, $context, $args, $source) {
$tmp = $context->get($args);
$buffer = '';
if ($tmp) {
$template->setStopToken('else');
$buffer = $template->render($context);
$template->setStopToken(false);
$template->discard($context);
} else {
$template->setStopToken('else');
$template->discard($context);
$template->setStopToken(false);
$buffer = $template->render($context);
}
return $buffer;
}
/**
* Create handler for the 'each' helper.
* Needed for compatibility with PHP 5.2 since it doesn't support anonymous functions.
*
* @param $template
* @param $context
* @param $args
* @param $source
*
* @return mixed
*/
public static function _helper_each($template, $context, $args, $source) {
$tmp = $context->get($args);
$buffer = '';
if (is_array($tmp) || $tmp instanceof Traversable) {
foreach ($tmp as $var) {
$context->push($var);
$buffer .= $template->render($context);
$context->pop();
}
}
return $buffer;
}
/**
* Create handler for the 'unless' helper.
* Needed for compatibility with PHP 5.2 since it doesn't support anonymous functions.
*
* @param $template
* @param $context
* @param $args
* @param $source
*
* @return mixed
*/
public static function _helper_unless($template, $context, $args, $source) {
$tmp = $context->get($args);
$buffer = '';
if (!$tmp) {
$buffer = $template->render($context);
}
return $buffer;
}
/**
* Create handler for the 'with' helper.
* Needed for compatibility with PHP 5.2 since it doesn't support anonymous functions.
*
* @param $template
* @param $context
* @param $args
* @param $source
*
* @return mixed
*/
public static function _helper_with($template, $context, $args, $source) {
$tmp = $context->get($args);
$context->push($tmp);
$buffer = $template->render($context);
$context->pop();
return $buffer;
}
/**
* Create handler for the 'bindAttr' helper.
* Needed for compatibility with PHP 5.2 since it doesn't support anonymous functions.
*
* @param $template
* @param $context
* @param $args
* @param $source
*
* @return mixed
*/
public static function _helper_bindAttr($template, $context, $args, $source) {
return $args;
}
/**
* Add default helpers (if unless each with)
* Add default helpers (if unless each with bindAttr)
*
* @return void
*/
protected function addDefaultHelpers()
{
$this->add(
'if',
function ($template, $context, $args, $source) {
$tmp = $context->get($args);
$buffer = '';
if ($tmp) {
$template->setStopToken('else');
$buffer = $template->render($context);
$template->setStopToken(false);
$template->discard($context);
} else {
$template->setStopToken('else');
$template->discard($context);
$template->setStopToken(false);
$buffer = $template->render($context);
}
return $buffer;
}
'if',
array('Handlebars_Helpers', '_helper_if')
);
$this->add(
'each',
function ($template, $context, $args, $source) {
$tmp = $context->get($args);
$buffer = '';
if (is_array($tmp) || $tmp instanceof Traversable) {
foreach ($tmp as $var) {
$context->push($var);
$buffer .= $template->render($context);
$context->pop();
}
}
return $buffer;
}
);
'each',
array('Handlebars_Helpers', '_helper_each')
);
$this->add(
'unless',
function ($template, $context, $args, $source) {
$tmp = $context->get($args);
$buffer = '';
if (!$tmp) {
$buffer = $template->render($context);
}
return $buffer;
}
);
'unless',
array('Handlebars_Helpers', '_helper_unless')
);
$this->add(
'with',
function ($template, $context, $args, $source) {
$tmp = $context->get($args);
$context->push($tmp);
$buffer = $template->render($context);
$context->pop();
return $buffer;
}
);
'with',
array('Handlebars_Helpers', '_helper_with')
);
//Just for compatibility with ember
$this->add(
'bindAttr',
function ($template, $context, $args, $source) {
return $args;
}
array('Handlebars_Helpers', '_helper_bindAttr')
);
}