/// <summary>
/// Exports the specified <see cref="TextDocument"/> to an external markdown file.
/// </summary>
/// <param name="document">The document to export.</param>
/// <param name="fileName">Full name of the Maml file to export to. Note that if exporting to multiple Maml files,
/// this is the base file name only; the file names will be derived from this name.</param>
/// <param name="errors">A list that collects error messages.</param>
public void Export(TextDocument document, string fileName, List <MarkdownError> errors = null)
{
if (null == document)
{
throw new ArgumentNullException(nameof(document));
}
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException(nameof(fileName));
}
var basePathName = Path.GetDirectoryName(fileName);
if (ExpandChildDocuments)
{
document = ChildDocumentExpander.ExpandDocumentToNewDocument(document, errors: errors);
}
if (RenumerateFigures)
{
document.SourceText = FigureRenumerator.RenumerateFigures(document.SourceText);
}
// remove the old content
if (EnableRemoveOldContentsOfContentFolder)
{
var fullContentFolderName = Path.Combine(basePathName, ContentFolderName);
MamlRenderer.RemoveOldContentsOfContentFolder(fullContentFolderName);
}
// remove old images
var fullImageFolderName = Path.Combine(basePathName, ImageFolderName);
if (EnableRemoveOldContentsOfImageFolder)
{
MamlRenderer.RemoveOldContentsOfImageFolder(fullImageFolderName);
}
if (!Directory.Exists(fullImageFolderName))
{
Directory.CreateDirectory(fullImageFolderName);
}
// First, export the images
var(oldToNewImageUrl, listOfReferencedImageFileNames) = ExportImages(document, basePathName);
// now export the markdown document as Maml file(s)
// first parse it with Markdig
var pipeline = new MarkdownPipelineBuilder();
pipeline = MarkdownUtilities.UseSupportedExtensions(pipeline);
var markdownDocument = Markdig.Markdown.Parse(document.SourceText, pipeline.Build());
var renderer = new MamlRenderer(
projectOrContentFileName: fileName,
contentFolderName: ContentFolderName,
contentFileNameBase: ContentFileNameBase,
imageFolderName: ImageFolderName,
splitLevel: SplitLevel,
enableHtmlEscape: EnableHtmlEscape,
autoOutline: EnableAutoOutline,
enableLinkToPreviousSection: EnableLinkToPreviousSection,
linkToPreviousSectionLabelText: LinkToPreviousSectionLabelText,
enableLinkToNextSection: EnableLinkToNextSection,
linkToNextSectionLabelText: LinkToNextSectionLabelText,
imagesFullFileNames: listOfReferencedImageFileNames,
oldToNewImageUris: oldToNewImageUrl,
bodyTextFontFamily: BodyTextFontFamily,
bodyTextFontSize: BodyTextFontSize,
isIntendedForHelp1File: IsIntendedForHtmlHelp1File
);
renderer.Render(markdownDocument);
}