/**
* Resolve a schema based on pointer
*
* URIs can have a fragment at the end in the format of
* #/path/to/object and we are to look up the 'path' property of
* the first object then the 'to' and 'object' properties.
*
* @param object $jsonSchema JSON Schema contents
* @param string $uri JSON Schema URI
* @return object JSON Schema after walking down the fragment pieces
*/
public function resolvePointer($jsonSchema, $uri)
{
$resolver = new UriResolver();
$parsed = $resolver->parse($uri);
if (empty($parsed['fragment'])) {
return $jsonSchema;
}
$path = explode('/', $parsed['fragment']);
while ($path) {
$pathElement = array_shift($path);
if (!empty($pathElement)) {
$pathElement = str_replace('~1', '/', $pathElement);
$pathElement = str_replace('~0', '~', $pathElement);
if (!empty($jsonSchema->{$pathElement})) {
$jsonSchema = $jsonSchema->{$pathElement};
} else {
$jsonSchema = new \stdClass();
}
if (!is_object($jsonSchema)) {
$jsonSchema = new \stdClass();
}
}
}
return $jsonSchema;
}
public function retrieve($uri)
{
$resolver = new UriResolver();
$parts = $resolver->parse($uri);
$parts['fragment'] = '#';
$uri = $resolver->generate($parts);
return parent::retrieve($uri);
}
public function retrieve($uri, $baseUri = null)
{
$resolver = new UriResolver();
$resolvedUri = $fetchUri = $resolver->resolve($uri, $baseUri);
$arParts = $resolver->parse($resolvedUri);
if (isset($arParts['fragment'])) {
unset($arParts['fragment']);
$fetchUri = $resolver->generate($arParts);
}
$jsonSchema = $this->loadSchema($fetchUri);
$jsonSchema = $this->resolvePointer($jsonSchema, $resolvedUri);
$jsonSchema->id = $resolvedUri;
return $jsonSchema;
}
function testParseFragmentOnly()
{
$resolver = new UriResolver();
$this->assertEquals(array('scheme' => '', 'authority' => '', 'path' => '', 'query' => '', 'fragment' => '/theFragment'), $resolver->parse('#/theFragment'));
}
/**
* Retrieve a URI
*
* @param string $uri JSON Schema URI
* @param string|null $baseUri
* @return object JSON Schema contents
*/
public function retrieve($uri, $baseUri = null)
{
$resolver = new UriResolver();
$resolvedUri = $fetchUri = $resolver->resolve($uri, $baseUri);
//fetch URL without #fragment
$arParts = $resolver->parse($resolvedUri);
if (isset($arParts['fragment'])) {
unset($arParts['fragment']);
$fetchUri = $resolver->generate($arParts);
}
$jsonSchema = $this->loadSchema($fetchUri, $resolvedUri);
// Use the JSON pointer if specified
$jsonSchema = $this->resolvePointer($jsonSchema, $resolvedUri);
if ($jsonSchema instanceof \stdClass) {
$jsonSchema->id = $resolvedUri;
}
return $jsonSchema;
}
