public List <string> CheckForMissingChapters()
{
var srcToTitle = ToC.BuildScrToTitleMap();
var titles = new List <string>();
int previousChapterNumber = Epub.NoChapterNum;
Signature previousSignature = new Signature();
foreach (var item in Opf.Spine)
{
string title = null;
srcToTitle.TryGetValue(item.AbsolutePath, out title);
int currentChapterNumber = title.ExtractProbableChapterNumber();
bool missing = ((currentChapterNumber != Epub.NoChapterNum) &&
(previousChapterNumber != Epub.NoChapterNum) &&
(currentChapterNumber != (previousChapterNumber + 1)));
previousChapterNumber = currentChapterNumber;
if (missing)
{
titles.Add($"Might be a missing chapter before \"{title}\"");
}
var sig = item.RawBytes.ToXhtml().CalcSignature();
string possibleError = item.CheckForErrors(sig, previousSignature);
if (possibleError != null)
{
titles.Add(possibleError);
}
previousSignature = sig;
}
return(titles);
}
public void DeleteItems(List <EpubItem> items)
{
foreach (var item in items)
{
Opf.DeleteItem(item);
ToC.DeleteItem(item);
}
}
public void InsertChapter(EpubItem chapter, TocEntry tocEntry, EpubItem preceedingItem)
{
Opf.InsertChapter(new List <EpubItem>()
{
chapter
}, preceedingItem);
ToC.InsertChapter(new List <TocEntry>()
{
tocEntry
}, preceedingItem);
}
public void WriteFile(string fileName)
{
using (ZipFile zip = new ZipFile(System.Text.Encoding.UTF8))
{
AddMimeType(zip);
zip.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression;
Container.WriteTo(zip);
Opf.WriteTo(zip);
ToC.WriteToNcxEpubItem();
Opf.WriteManifestTo(zip);
zip.Save(fileName);
}
}
public void ReadFile(string fileName)
{
var options = new ReadOptions()
{
Encoding = System.Text.Encoding.UTF8
};
using (ZipFile zip = ZipFile.Read(fileName, options))
{
Container = new Container(zip.ExtractXml(Epub.ContainerPath));
var containerPath = Container.FullPath;
Opf = new Opf(zip.ExtractXml(containerPath), containerPath);
foreach (var item in Opf.Manifest)
{
item.AddRawDataToItem(zip);
}
RebuildImageUseIndexes();
var ncxItem = Opf.NcxItem;
ToC = new ToC(zip.ExtractXml(ncxItem.AbsolutePath), ncxItem, Opf.AbsolutePathIndex);
}
}
public void SortSpineByChapterNumber()
{
var srcToTitle = ToC.BuildScrToTitleMap();
int Comparison(EpubItem x, EpubItem y)
{
string title = null;
srcToTitle.TryGetValue(x.AbsolutePath, out title);
int xChapterNumber = title.ExtractProbableChapterNumber();
title = null;
srcToTitle.TryGetValue(y.AbsolutePath, out title);
int yChapterNumber = title.ExtractProbableChapterNumber();
return(xChapterNumber - yChapterNumber);
}
Opf.Spine.Sort(Comparison);
ToC.GenerateToCFromChapters(Opf.Spine, srcToTitle);
}
public void InsertChapters(List <EpubItem> chapters, List <TocEntry> tocEntries, EpubItem insertAt)
{
Opf.InsertChapter(chapters, insertAt);
ToC.InsertChapter(tocEntries, insertAt);
}
