Example #1
0
        /// <summary>
        /// Reads the stream input and parses it into an Open API document.
        /// </summary>
        public OpenApiDocument Read(Stream input, out OpenApiDiagnostic diagnostic)
        {
            RootNode rootNode;
            var      context = new ParsingContext();

            diagnostic = new OpenApiDiagnostic();

            try
            {
                using (var streamReader = new StreamReader(input))
                {
                    var yamlStream = new YamlStream();
                    yamlStream.Load(streamReader);

                    var yamlDocument = yamlStream.Documents.First();
                    rootNode = new RootNode(context, diagnostic, yamlDocument);
                }
            }
            catch (SyntaxErrorException ex)
            {
                diagnostic.Errors.Add(new OpenApiError(string.Empty, ex.Message));

                return(new OpenApiDocument());
            }

            var inputVersion = GetVersion(rootNode);

            switch (inputVersion)
            {
            case "2.0":
                context.ReferenceService = new OpenApiV2ReferenceService(rootNode);
                return(OpenApiV2Deserializer.LoadOpenApi(rootNode));

            default:
                context.ReferenceService = new OpenApiV3ReferenceService(rootNode);
                return(OpenApiV3Deserializer.LoadOpenApi(rootNode));
            }
        }