W-10674610: added GraphQL custom scalar parsing

amf-graphql/shared/src/main/scala/amf/graphql/internal/spec/document/GraphQLDocumentParser.scala

@@ -11,6 +11,7 @@ import amf.core.internal.remote.Spec
 import amf.graphql.internal.spec.context.GraphQLWebApiContext
 import amf.graphql.internal.spec.context.GraphQLWebApiContext.RootTypes
 import amf.graphql.internal.spec.domain.{
+ GraphQLCustomScalarParser,
  GraphQLInputTypeParser,
  GraphQLNestedEnumParser,
  GraphQLNestedTypeParser,
@@ -82,6 +83,11 @@ case class GraphQLDocumentParser(root: Root)(implicit val ctx: GraphQLWebApiCont
  ctx.declarations += enum
  }
 
+ private def parseCustomScalarTypeDef(customScalarTypeDef: Node): Unit = {
+ val scalar: ScalarShape = new GraphQLCustomScalarParser(customScalarTypeDef).parse(doc.id)
+ ctx.declarations += scalar
+ }
+
  private def processTypes(node: Node): Unit = {
  this.collect(node, Seq(DOCUMENT, DEFINITION, TYPE_SYSTEM_DEFINITION, SCHEMA_DEFINITION)).toList match {
  case head :: Nil => parseSchemaNode(head)
@@ -127,6 +133,13 @@ case class GraphQLDocumentParser(root: Root)(implicit val ctx: GraphQLWebApiCont
  case enumTypeDef: Node =>
  parseEnumType(enumTypeDef)
  }
+
+ // let's parse custom scalars
+ this
+ .collect(node, Seq(DOCUMENT, DEFINITION, TYPE_SYSTEM_DEFINITION, TYPE_DEFINITION, SCALAR_TYPE_DEFINITION)) foreach {
+ case customScalarTypeDef: Node =>
+ parseCustomScalarTypeDef(customScalarTypeDef)
+ }
  }
 
  private def parseSchemaNode(schemaNode: ASTElement): Unit = {

amf-graphql/shared/src/main/scala/amf/graphql/internal/spec/domain/GraphQLCustomScalarParser.scala

@@ -0,0 +1,25 @@
+package amf.graphql.internal.spec.domain
+
+import amf.core.client.scala.model.DataType
+import amf.graphql.internal.spec.context.GraphQLWebApiContext
+import amf.graphql.internal.spec.parser.syntax.GraphQLASTParserHelper
+import amf.shapes.client.scala.model.domain.ScalarShape
+import org.mulesoft.antlrast.ast.Node
+
+class GraphQLCustomScalarParser(customScalarTypeDef: Node)(implicit val ctx: GraphQLWebApiContext) extends GraphQLASTParserHelper {
+ val scalar: ScalarShape = ScalarShape(toAnnotations(customScalarTypeDef))
+
+ def parse(parentId: String): ScalarShape = {
+ scalar.withDataType(DataType.String)
+ parseNameAndFormat()
+ scalar.adopted(parentId)
+ scalar
+ }
+
+ private def parseNameAndFormat(): Unit = {
+ val name= findName(customScalarTypeDef, "AnonymousScalar", "Missing scalar type name", scalar.id)
+ scalar.withName(name)
+ scalar.withFormat(name)
+ }
+
+}

amf-graphql/shared/src/main/scala/amf/graphql/internal/spec/parser/syntax/TokenTypes.scala

@@ -32,4 +32,5 @@ object TokenTypes {
  val ENUM_VALUE = "enumValue"
  val TYPE_ = "type_"
  val LIST_TYPE = "listType"
+ val SCALAR_TYPE_DEFINITION = "scalarTypeDefinition"
 }