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Add support to pretty-print JSON-output #1604

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Add support to pretty-print JSON-output #1604

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19 changes: 16 additions & 3 deletions Classes/ViewHelpers/Format/Json/EncodeViewHelper.php
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,13 @@ public function initializeArguments()
'string',
'A date() format for DateTime values to JSON-compatible values. NULL means JS UNIXTIME (time()*1000)'
);
$this->registerArgument(
'prettyPrint',
'boolean',
'If TRUE the JSON-output will be in pretty-print',
false,
false
);
}

/**
Expand All @@ -97,8 +104,9 @@ public static function renderStatic(array $arguments, \Closure $renderChildrenCl
$preventRecursion = (boolean) $arguments['preventRecursion'];
$recursionMarker = $arguments['recursionMarker'];
$dateTimeFormat = $arguments['dateTimeFormat'];
$prettyPrint = (boolean) $arguments['prettyPrint'];
static::$encounteredClasses = [];
$json = static::encodeValue($value, $useTraversableKeys, $preventRecursion, $recursionMarker, $dateTimeFormat);
$json = static::encodeValue($value, $useTraversableKeys, $preventRecursion, $recursionMarker, $dateTimeFormat, $prettyPrint);
return $json;
}

Expand All @@ -108,10 +116,11 @@ public static function renderStatic(array $arguments, \Closure $renderChildrenCl
* @param boolean $preventRecursion
* @param string $recursionMarker
* @param string $dateTimeFormat
* @param boolean $prettyPrint
* @return string
* @throws Exception
*/
protected static function encodeValue($value, $useTraversableKeys, $preventRecursion, $recursionMarker, $dateTimeFormat)
protected static function encodeValue($value, $useTraversableKeys, $preventRecursion, $recursionMarker, $dateTimeFormat, $prettyPrint)
{
if (true === $value instanceof \Traversable) {
// Note: also converts ObjectStorage to \Vendor\Extname\Domain\Model\ObjectType[] which are each converted
Expand All @@ -128,7 +137,11 @@ protected static function encodeValue($value, $useTraversableKeys, $preventRecur
$value = static::recursiveArrayOfDomainObjectsToArray($value, $preventRecursion, $recursionMarker);
$value = static::recursiveDateTimeToUnixtimeMiliseconds($value, $dateTimeFormat);
}
$json = json_encode($value, JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS | JSON_HEX_TAG);
$encodeOptions = JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS | JSON_HEX_TAG;
if ($prettyPrint) {
$encodeOptions |= JSON_PRETTY_PRINT;
}
$json = json_encode($value, $encodeOptions);
if (JSON_ERROR_NONE !== json_last_error()) {
ErrorUtility::throwViewHelperException('The provided argument cannot be converted into JSON.', 1358440181);
}
Expand Down