Microsoft.DocAsCode.Build.Engine.SingleDocumentBuilder.Load C# (CSharp) Method

        private static FileModel Load(
            IDocumentProcessor processor,
            ImmutableDictionary<string, object> metadata,
            FileMetadata fileMetadata,
            FileAndType file,
            bool canProcessorIncremental,
            DocumentBuildContext context)
        {
            using (new LoggerFileScope(file.File))
            {
                Logger.LogDiagnostic($"Processor {processor.Name}, File {file.FullPath}: Loading...");

                if (canProcessorIncremental)
                {
                    var incrementalContext = context.IncrementalBuildContext;
                    ChangeKindWithDependency ck;
                    string fileKey = ((TypeForwardedToRelativePath)file.File).GetPathFromWorkingFolder().ToString();
                    if (incrementalContext.ChangeDict.TryGetValue(fileKey, out ck))
                    {
                        Logger.LogDiagnostic($"Processor {processor.Name}, File {file.FullPath}, ChangeType {ck}.");
                        if (ck == ChangeKindWithDependency.Deleted)
                        {
                            return null;
                        }
                        if (ck == ChangeKindWithDependency.None)
                        {
                            Logger.LogDiagnostic($"Processor {processor.Name}, File {file.FullPath}: Check incremental...");
                            if (processor.BuildSteps.Cast<ISupportIncrementalBuildStep>().All(step => step.CanIncrementalBuild(file)))
                            {
                                Logger.LogDiagnostic($"Processor {processor.Name}, File {file.FullPath}: Skip build by incremental.");
                                return null;
                            }
                            Logger.LogDiagnostic($"Processor {processor.Name}, File {file.FullPath}: Incremental not available.");
                        }
                    }
                }

                var path = Path.Combine(file.BaseDir, file.File);
                metadata = ApplyFileMetadata(path, metadata, fileMetadata);
                try
                {
                    return processor.Load(file, metadata);
                }
                catch (Exception)
                {
                    Logger.LogError($"Unable to load file: {file.File} via processor: {processor.Name}.");
                    throw;
                }
            }
        }