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 DeleteImages(List <EpubItem> items)
{
foreach (var item in items)
{
HashSet <EpubItem> usedChapters = null;
if (ImagesUsedIndex.TryGetValue(item.AbsolutePath, out usedChapters))
{
foreach (var chapter in usedChapters)
{
chapter.RemoveImageLink(item.AbsolutePath);
}
}
ImagesUsedIndex.Remove(item.AbsolutePath);
Opf.DeleteImage(item);
}
}
public void RebuildImageUseIndexes()
{
UnusedImages.Clear();
ImagesUsedIndex.Clear();
foreach (var item in Opf.GetPageItems())
{
item.AddImagesTo(ImagesUsedIndex);
}
MissingImages = new HashSet <string>(ImagesUsedIndex.Keys);
foreach (var item in Opf.GetImageItems())
{
if (ImagesUsedIndex.ContainsKey(item.AbsolutePath))
{
MissingImages.Remove(item.AbsolutePath);
}
else
{
UnusedImages.Add(item);
}
}
}
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 RenumberItemIds(int index)
{
Opf.RenumberItemIds(index);
}
public void InsertChapters(List <EpubItem> chapters, List <TocEntry> tocEntries, EpubItem insertAt)
{
Opf.InsertChapter(chapters, insertAt);
ToC.InsertChapter(tocEntries, insertAt);
}
public IEnumerable <string> ValidateImages()
{
return(Opf.GetImageItems()
.Where(EpubUtils.IsWebp)
.Select(item => $"Image '{item.AbsolutePath}' is Webp. Convert to jpeg"));
}
