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Cache ref files #65

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Cache ref files #65

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6659ed6
Cache reference files
Shkryob Mar 25, 2020
4d78a24
Move cache logic to separate function
Shkryob Mar 26, 2020
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16 changes: 15 additions & 1 deletion src/spec/Reference.php
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@
*/
class Reference implements SpecObjectInterface, DocumentContextInterface
{
static $file_cache = [];

private $_to;
private $_ref;
private $_jsonReference;
Expand Down Expand Up @@ -206,7 +208,7 @@ public function resolve(ReferenceContext $context = null)
// resolve in external document
$file = $context->resolveRelativeUri($jsonReference->getDocumentUri());
// TODO could be a good idea to cache loaded files in current context to avoid loading the same files over and over again
$referencedDocument = $this->fetchReferencedFile($file);
$referencedDocument = $this->getReferencedFile($file);
$referencedData = $jsonReference->getJsonPointer()->evaluate($referencedDocument);

if ($referencedData === null) {
Expand Down Expand Up @@ -258,6 +260,18 @@ public function resolve(ReferenceContext $context = null)
}
}

/**
* @throws UnresolvableReferenceException
*/
private function getReferencedFile($uri)
{
if(!isset(self::$file_cache[$uri])) {
self::$file_cache[$uri] = $this->fetchReferencedFile($uri);
}

return self::$file_cache[$uri];
}

/**
* @throws UnresolvableReferenceException
*/
Expand Down