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Add "ifEven" and "ifOdd" Handlebars.php helpers

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This commit is contained in:
Dmitriy Simushev 2014-02-25 12:53:35 +00:00
parent dea6f80d24
commit 522aed6a5e
1 changed files with 72 additions and 0 deletions
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72
src/mibew/libs/classes/Mibew/Handlebars/HelpersSet.php
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@ -142,6 +142,76 @@ class HelpersSet
return $buffer;
}
/**
* Conditional helper that checks if specified argument is even or not.
*
* Example of usage:
* <code>
* {{#ifEven value}}
* The value is even.
* {{else}}
* The value is odd.
* {{/ifEven}}
* </code>
*/
public function ifEvenHelper($template, $context, $args, $source)
{
$parsed_args = $template->parseArguments($args);
if (empty($parsed_args)) {
return '';
}
$condition = ($context->get($parsed_args[0]) % 2 == 0);
if ($condition) {
$template->setStopToken('else');
$buffer = $template->render($context);
$template->setStopToken(false);
} else {
$template->setStopToken('else');
$template->discard();
$template->setStopToken(false);
$buffer = $template->render($context);
}
return $buffer;
}
/**
* Conditional helper that checks if specified argument is odd or not.
*
* Example of usage:
* <code>
* {{#ifOdd value}}
* The value is odd.
* {{else}}
* The value is even.
* {{/ifOdd}}
* </code>
*/
public function ifOddHelper($template, $context, $args, $source)
{
$parsed_args = $template->parseArguments($args);
if (empty($parsed_args)) {
return '';
}
$condition = ($context->get($parsed_args[0]) % 2 == 1);
if ($condition) {
$template->setStopToken('else');
$buffer = $template->render($context);
$template->setStopToken(false);
} else {
$template->setStopToken('else');
$template->discard();
$template->setStopToken(false);
$buffer = $template->render($context);
}
return $buffer;
}
/**
* Conditional helper that checks if at least one argumet can be treated as
* "true" value.
@ -559,6 +629,8 @@ class HelpersSet
'unlessOverridden' => array($this, 'unlessOverriddenHelper'),
'ifEqual' => array($this, 'ifEqualHelper'),
'ifAny' => array($this, 'ifAnyHelper'),
'ifEven' => array($this, 'ifEvenHelper'),
'ifOdd' => array($this, 'ifOddHelper'),
'generatePagination' => array($this, 'generatePaginationHelper'),
'jsString' => array($this, 'jsStringHelper'),
'repeat' => array($this, 'repeatHelper'),