private TocItem FindItem(int pagenumber)
{
DirectoryInfo dataFolder = DataFolder;
FileInfo tocDki = dataFolder.GetFileIgnoreCase(TreeDki);
FileInfo tocDka = dataFolder.GetFileIgnoreCase(TreeDka);
TocItem item = TocUtil.LoadTree(tocDki, tocDka);
while (item.Pagenumber != pagenumber || item.Pagecount == 0)
{
List <TocItem> childrenReverse = item.ChildrenConcrete.AsEnumerable().Reverse().ToList();
TocItem child = childrenReverse.Find(c => c.Pagenumber <= pagenumber);
if (child == null)
{
break;
}
item = child;
}
while (item.Pagecount == 0 && item.ParentConcrete != null)
{
item = item.ParentConcrete;
}
return(item);
}
public Task <ITocItem> QueryToc(string pattern, IEnumerable <ICategoryItem> categories)
{
DirectoryInfo dataFolder = DataFolder;
FileInfo treeDki = dataFolder.GetFileIgnoreCase(TreeDki);
FileInfo treeDka = dataFolder.GetFileIgnoreCase(TreeDka);
TocItem root = TocUtil.LoadTree(treeDki, treeDka);
return(Task.FromResult <ITocItem>(root));
}
public Task <bool> Html(int pagenumber, DirectoryInfo folder, string highlight)
{
string filename = Path.Combine(folder.FullName,
Path.ChangeExtension(pagenumber.ToString(), html.ToString()));
ISet <int> highlightedOffsets = string.IsNullOrWhiteSpace(highlight)
? new HashSet <int>()
: SearchUtil.HighlightedOffsets(pagenumber, highlight, DataFolder);
using (HtmlWriter writer = new HtmlWriter(new FileStream(filename, FileMode.Create, FileAccess.Write),
pagenumber, highlightedOffsets))
{
TocItem item = FindItem(pagenumber);
IEnumerable <Page> pages = PageUtil.LoadPages(DataFolder.GetFileIgnoreCase(TextDki), item.Pagenumber,
item.Pagecount);
foreach (Page page in pages)
{
PageUtil.Parse(page, writer);
}
DumpImages(writer.ImageIdsToExtensions, folder);
}
return(Task.FromResult(true));
}
public void AddChild(TocItem item)
{
item.ParentConcrete = this;
ChildrenConcrete.Add(item);
}