private string LoadCore(IMarkdownRenderer adapter, string currentPath, string raw, SourceInfo sourceInfo, IMarkdownContext context, DfmEngine engine)
        {
            try
            {
                if (!PathUtility.IsRelativePath(currentPath))
                {
                    return(GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Absolute path \"{currentPath}\" is not supported.", raw, sourceInfo));
                }

                // Always report original include file dependency
                var originalRelativePath = currentPath;
                context.ReportDependency(currentPath);

                var    parents = context.GetFilePathStack();
                string parent  = string.Empty;
                if (parents == null)
                {
                    parents = ImmutableStack <string> .Empty;
                }

                // Update currentPath to be referencing to sourcePath
                else if (!parents.IsEmpty)
                {
                    parent      = parents.Peek();
                    currentPath = ((RelativePath)currentPath).BasedOn((RelativePath)parent);
                }

                if (parents.Contains(currentPath, FilePathComparer.OSPlatformSensitiveComparer))
                {
                    return(GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Unable to resolve {raw}: Circular dependency found in \"{parent}\"", raw, sourceInfo));
                }

                // Add current file path to chain when entering recursion
                parents = parents.Push(currentPath);
                string           result;
                HashSet <string> dependency;
                if (!_dependencyCache.TryGetValue(currentPath, out dependency) ||
                    !_cache.TryGet(currentPath, out result))
                {
                    var filePathWithStatus = DfmFallbackHelper.GetFilePathWithFallback(originalRelativePath, context);
                    var src = File.ReadAllText(filePathWithStatus.Item1);
                    dependency = new HashSet <string>();
                    src        = engine.InternalMarkup(src, context.SetFilePathStack(parents).SetDependency(dependency).SetIsInclude());

                    result = UpdateToHrefFromWorkingFolder(src, currentPath);
                    result = GenerateNodeWithCommentWrapper("INCLUDE", $"Include content from \"{currentPath}\"", result);
                    _cache.Add(currentPath, result);
                    _dependencyCache[currentPath] = dependency;
                }
                context.ReportDependency(
                    from d in dependency
                    select(string)((RelativePath)currentPath + (RelativePath)d - (RelativePath)parent));
                return(result);
            }
            catch (Exception e)
            {
                return(GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Unable to resolve {raw}:{e.Message}", raw, sourceInfo));
            }
        }
        private string LoadCore(IMarkdownRenderer adapter, string currentPath, string raw, SourceInfo sourceInfo, IMarkdownContext context, DfmEngine engine)
        {
            try
            {
                if (!PathUtility.IsRelativePath(currentPath))
                {
                    return GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Absolute path \"{currentPath}\" is not supported.", raw, sourceInfo);
                }

                // Always report original include file dependency
                var originalRelativePath = currentPath;
                context.ReportDependency(currentPath);

                var parents = context.GetFilePathStack();
                string parent = string.Empty;
                if (parents == null) parents = ImmutableStack<string>.Empty;

                // Update currentPath to be referencing to sourcePath
                else if (!parents.IsEmpty)
                {
                    parent = parents.Peek();
                    currentPath = ((RelativePath)currentPath).BasedOn((RelativePath)parent);
                }

                if (parents.Contains(currentPath, FilePathComparer.OSPlatformSensitiveComparer))
                {
                    return GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Unable to resolve {raw}: Circular dependency found in \"{parent}\"", raw, sourceInfo);
                }

                // Add current file path to chain when entering recursion
                parents = parents.Push(currentPath);
                string result;
                HashSet<string> dependency;
                if (!_dependencyCache.TryGetValue(currentPath, out dependency) ||
                    !_cache.TryGet(currentPath, out result))
                {
                    var filePathWithStatus = DfmFallbackHelper.GetFilePathWithFallback(originalRelativePath, context);
                    var src = File.ReadAllText(filePathWithStatus.Item1);
                    dependency = new HashSet<string>();
                    src = engine.InternalMarkup(src, context.SetFilePathStack(parents).SetDependency(dependency).SetIsInclude());

                    result = UpdateToHrefFromWorkingFolder(src, currentPath);
                    result = GenerateNodeWithCommentWrapper("INCLUDE", $"Include content from \"{currentPath}\"", result);
                    _cache.Add(currentPath, result);
                    _dependencyCache[currentPath] = dependency;
                }
                context.ReportDependency(
                    from d in dependency
                    select (string)((RelativePath)currentPath + (RelativePath)d - (RelativePath)parent));
                return result;
            }
            catch (Exception e)
            {
                return GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Unable to resolve {raw}:{e.Message}", raw, sourceInfo);
            }
        }
        private string LoadCore(IMarkdownRenderer adapter, string currentPath, string raw, IMarkdownContext context, Func <string, IMarkdownContext, string> resolver)
        {
            try
            {
                if (!PathUtility.IsRelativePath(currentPath))
                {
                    return(GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Absolute path \"{currentPath}\" is not supported.", raw));
                }

                var    parents      = context.GetFilePathStack();
                var    originalPath = currentPath;
                string parent       = string.Empty;
                if (parents == null)
                {
                    parents = ImmutableStack <string> .Empty;
                }

                // Update currentPath to be referencing to sourcePath
                else if (!parents.IsEmpty)
                {
                    parent      = parents.Peek();
                    currentPath = ((RelativePath)currentPath).BasedOn((RelativePath)parent);
                }

                if (parents.Contains(currentPath, FilePathComparer.OSPlatformSensitiveComparer))
                {
                    return(GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Unable to resolve {raw}: Circular dependency found in \"{parent}\"", raw));
                }

                // Add current file path to chain when entering recursion
                parents = parents.Push(currentPath);
                string result;
                if (!_cache.TryGet(currentPath, out result))
                {
                    var src = File.ReadAllText(Path.Combine(context.GetBaseFolder(), currentPath));

                    src = resolver(src, context.SetFilePathStack(parents));

                    result = UpdateToHrefFromWorkingFolder(src, currentPath);
                    result = GenerateNodeWithCommentWrapper("INCLUDE", $"Include content from \"{currentPath}\"", result);

                    _cache.Add(currentPath, result);
                }

                return(result);
            }
            catch (Exception e)
            {
                return(GenerateErrorNodeWithCommentWrapper("INCLUDE", $"Unable to resolve {raw}:{e.Message}", raw));
            }
        }
        private string LoadCore(IMarkdownRenderer adapter, string currentPath, string raw, IMarkdownContext context, Func <string, IMarkdownContext, string> resolver)
        {
            if (!PathUtility.IsRelativePath(currentPath))
            {
                if (!Path.IsPathRooted(currentPath))
                {
                    return(GenerateNodeWithCommentWrapper("ERROR INCLUDE", $"Absolute path \"{currentPath}\" is not supported.", raw));
                }
                else
                {
                    currentPath = PathUtility.MakeRelativePath(Environment.CurrentDirectory, currentPath);
                }
            }
            var    parents      = context.GetFilePathStack();
            var    originalPath = currentPath;
            string parent       = string.Empty;

            if (parents == null)
            {
                parents = ImmutableStack <string> .Empty;
            }

            // Update currentPath to be referencing to sourcePath
            else if (!parents.IsEmpty)
            {
                parent      = parents.Peek();
                currentPath = ((RelativePath)currentPath).BasedOn((RelativePath)parent);
            }

            if (parents.Contains(currentPath, FilePathComparer.OSPlatformSensitiveComparer))
            {
                return(GenerateNodeWithCommentWrapper("ERROR INCLUDE", $"Unable to resolve {raw}: Circular dependency found in \"{parent}\"", raw));
            }

            string result = string.Empty;

            // Add current file path to chain when entering recursion
            parents = parents.Push(currentPath);
            try
            {
                if (!_cache.TryGet(currentPath, out result))
                {
                    var src = File.ReadAllText(currentPath);

                    src = resolver(src, context.SetFilePathStack(parents));

                    HtmlDocument htmlDoc = new HtmlDocument();
                    htmlDoc.LoadHtml(src);
                    var node = htmlDoc.DocumentNode;

                    // If current content is not the root one, update href to root
                    if (parents.Count() > 1)
                    {
                        UpdateHref(node, originalPath);
                    }

                    result = node.WriteTo();
                    result = GenerateNodeWithCommentWrapper("INCLUDE", $"Include content from \"{currentPath}\"", result);
                }
            }
            catch (Exception e)
            {
                result = GenerateNodeWithCommentWrapper("ERROR INCLUDE", $"Unable to resolve {raw}:{e.Message}", raw);
            }

            _cache.Add(currentPath, result);

            return(result);
        }
        private string LoadCore(IMarkdownRenderer adapter, string currentPath, string raw, IMarkdownContext context, Func<string, IMarkdownContext, string> resolver)
        {
            if (!PathUtility.IsRelativePath(currentPath))
            {
                if (!Path.IsPathRooted(currentPath))
                {
                    return GenerateNodeWithCommentWrapper("ERROR INCLUDE", $"Absolute path \"{currentPath}\" is not supported.", raw);
                }
                else
                    currentPath = PathUtility.MakeRelativePath(Environment.CurrentDirectory, currentPath);
            }
            var parents = context.GetFilePathStack();
            var originalPath = currentPath;
            string parent = string.Empty;
            if (parents == null) parents = ImmutableStack<string>.Empty;

            // Update currentPath to be referencing to sourcePath
            else if (!parents.IsEmpty)
            {
                parent = parents.Peek();
                currentPath = ((RelativePath)currentPath).BasedOn((RelativePath)parent);
            }

            if (parents.Contains(currentPath, FilePathComparer.OSPlatformSensitiveComparer))
            {
                return GenerateNodeWithCommentWrapper("ERROR INCLUDE", $"Unable to resolve {raw}: Circular dependency found in \"{parent}\"", raw);
            }

            string result = string.Empty;

            // Add current file path to chain when entering recursion
            parents = parents.Push(currentPath);
            try
            {
                if (!_cache.TryGet(currentPath, out result))
                {
                    var src = File.ReadAllText(currentPath);

                    src = resolver(src, context.SetFilePathStack(parents));

                    HtmlDocument htmlDoc = new HtmlDocument();
                    htmlDoc.LoadHtml(src);
                    var node = htmlDoc.DocumentNode;

                    // If current content is not the root one, update href to root
                    if (parents.Count() > 1)
                        UpdateHref(node, originalPath);

                    result = node.WriteTo();
                    result = GenerateNodeWithCommentWrapper("INCLUDE", $"Include content from \"{currentPath}\"", result);
                }
            }
            catch (Exception e)
            {
                result = GenerateNodeWithCommentWrapper("ERROR INCLUDE", $"Unable to resolve {raw}:{e.Message}", raw);
            }

            _cache.Add(currentPath, result);

            return result;
        }