public Task <IEnumerable <NavigationPoint> > ExtractNavigationPoints(
EpubStructure structure, IEnumerable <File> files)
{
var manifestItems = manifestExtractor.ExtractManifestItems(structure.Opf);
return(manifestItems.Any(
item => OpfXmlNames.NavPropertiesAttributeValue.EqualsIgnoreCaseWithNull(item.Properties))
? ExtractEpub3NavigationPoints(structure, manifestItems, files)
: ExtractEpub2NavigationPoints(structure, manifestItems, files));
}
public async Task <BookBuilder> CreateBuilder(EpubStructure structure)
{
var builder = new BookBuilder();
var manifestItems = manifestExtractor.ExtractManifestItems(structure.Opf);
var meta = metaExtractor.ExtractMeta(structure.Opf);
var files = await fileExtractor.ExtractFiles(structure.Opf, manifestItems, structure.Zip).ConfigureAwait(false);
var navigationPoints = await navigationExtractor.ExtractNavigationPoints(structure, files).ConfigureAwait(false);
builder.ReadFromMeta(meta);
builder.NavigationPoints = navigationPoints.ToList();
builder.Files = files.ToList();
return(builder);
}