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[autoinstallsdev/mediawiki.git] / vendor / justinrainbow / json-schema / src / JsonSchema / SchemaStorage.php

diff --git a/vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php b/vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php
new file mode 100644 (file)
index 0000000..9a1caeb
--- /dev/null
+++ b/vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php
@@ -0,0 +1,142 @@
+<?php
+
+namespace JsonSchema;
+
+use JsonSchema\Constraints\BaseConstraint;
+use JsonSchema\Entity\JsonPointer;
+use JsonSchema\Exception\UnresolvableJsonPointerException;
+use JsonSchema\Iterator\ObjectIterator;
+use JsonSchema\Uri\UriResolver;
+use JsonSchema\Uri\UriRetriever;
+
+class SchemaStorage implements SchemaStorageInterface
+{
+    const INTERNAL_PROVIDED_SCHEMA_URI = 'internal://provided-schema';
+
+    protected $uriRetriever;
+    protected $uriResolver;
+    protected $schemas = array();
+
+    public function __construct(
+        UriRetrieverInterface $uriRetriever = null,
+        UriResolverInterface $uriResolver = null
+    ) {
+        $this->uriRetriever = $uriRetriever ?: new UriRetriever();
+        $this->uriResolver = $uriResolver ?: new UriResolver();
+    }
+
+    /**
+     * @return UriRetrieverInterface
+     */
+    public function getUriRetriever()
+    {
+        return $this->uriRetriever;
+    }
+
+    /**
+     * @return UriResolverInterface
+     */
+    public function getUriResolver()
+    {
+        return $this->uriResolver;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addSchema($id, $schema = null)
+    {
+        if (is_null($schema) && $id !== self::INTERNAL_PROVIDED_SCHEMA_URI) {
+            // if the schema was user-provided to Validator and is still null, then assume this is
+            // what the user intended, as there's no way for us to retrieve anything else. User-supplied
+            // schemas do not have an associated URI when passed via Validator::validate().
+            $schema = $this->uriRetriever->retrieve($id);
+        }
+
+        // cast array schemas to object
+        if (is_array($schema)) {
+            $schema = BaseConstraint::arrayToObjectRecursive($schema);
+        }
+
+        // workaround for bug in draft-03 & draft-04 meta-schemas (id & $ref defined with incorrect format)
+        // see https://github.com/json-schema-org/JSON-Schema-Test-Suite/issues/177#issuecomment-293051367
+        if (is_object($schema) && property_exists($schema, 'id')) {
+            if ($schema->id == 'http://json-schema.org/draft-04/schema#') {
+                $schema->properties->id->format = 'uri-reference';
+            } elseif ($schema->id == 'http://json-schema.org/draft-03/schema#') {
+                $schema->properties->id->format = 'uri-reference';
+                $schema->properties->{'$ref'}->format = 'uri-reference';
+            }
+        }
+
+        $objectIterator = new ObjectIterator($schema);
+        foreach ($objectIterator as $toResolveSchema) {
+            if (property_exists($toResolveSchema, '$ref') && is_string($toResolveSchema->{'$ref'})) {
+                $jsonPointer = new JsonPointer($this->uriResolver->resolve($toResolveSchema->{'$ref'}, $id));
+                $toResolveSchema->{'$ref'} = (string) $jsonPointer;
+            }
+        }
+        $this->schemas[$id] = $schema;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSchema($id)
+    {
+        if (!array_key_exists($id, $this->schemas)) {
+            $this->addSchema($id);
+        }
+
+        return $this->schemas[$id];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolveRef($ref)
+    {
+        $jsonPointer = new JsonPointer($ref);
+
+        // resolve filename for pointer
+        $fileName = $jsonPointer->getFilename();
+        if (!strlen($fileName)) {
+            throw new UnresolvableJsonPointerException(sprintf(
+                "Could not resolve fragment '%s': no file is defined",
+                $jsonPointer->getPropertyPathAsString()
+            ));
+        }
+
+        // get & process the schema
+        $refSchema = $this->getSchema($fileName);
+        foreach ($jsonPointer->getPropertyPaths() as $path) {
+            if (is_object($refSchema) && property_exists($refSchema, $path)) {
+                $refSchema = $this->resolveRefSchema($refSchema->{$path});
+            } elseif (is_array($refSchema) && array_key_exists($path, $refSchema)) {
+                $refSchema = $this->resolveRefSchema($refSchema[$path]);
+            } else {
+                throw new UnresolvableJsonPointerException(sprintf(
+                    'File: %s is found, but could not resolve fragment: %s',
+                    $jsonPointer->getFilename(),
+                    $jsonPointer->getPropertyPathAsString()
+                ));
+            }
+        }
+
+        return $refSchema;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolveRefSchema($refSchema)
+    {
+        if (is_object($refSchema) && property_exists($refSchema, '$ref') && is_string($refSchema->{'$ref'})) {
+            $newSchema = $this->resolveRef($refSchema->{'$ref'});
+            $refSchema = (object) (get_object_vars($refSchema) + get_object_vars($newSchema));
+            unset($refSchema->{'$ref'});
+        }
+
+        return $refSchema;
+    }
+}