// Parse chapter structure from a dita topic (leaf node)
private List <DitaCollectionLinkJson> ParseChaptersFromTopic(DitaFileTopicAbstract topic, string navTitle = null)
{
List <DitaCollectionLinkJson> chapters = new List <DitaCollectionLinkJson>();
try
{
// Build a page for this topic
DitaPageJson topicPage = new DitaPageJson(topic, Collection);
Pages.Add(topicPage);
// Add this chapter to the toc for this page
DitaCollectionLinkJson chapter = new DitaCollectionLinkJson
{
FileName = topicPage.FileName,
Title = navTitle ?? topicPage.Title
};
chapters.Add(chapter);
Trace.TraceInformation($"Found link to topic {chapter.FileName}.");
}
catch (Exception ex)
{
Trace.TraceError($"Error parsing topic {topic.FileName} - {ex}");
}
return(chapters);
}
// Does the given chapter link point to an empty page?
private bool IsLinkToEmptyPage(DitaCollectionLinkJson link, out DitaPageJson pageJson)
{
pageJson = Pages.FirstOrDefault(o => o.FileName == link.FileName);
// Is the page empty?
return(pageJson?.IsEmpty ?? false);
}