public static string FixupUrl(string uri, string itemPath, Dictionary <string, string> newAbsolutePaths)
{
// special case, it's a link to anchor on same page
if (uri[0] == '#')
{
return(uri);
}
// internal URLs are relative, so, if not relative
// leave it alone
Uri testUrl = null;
if (!Uri.TryCreate(uri, UriKind.Relative, out testUrl))
{
return(uri);
}
var fragments = uri.Split(new char[] { '#' });
var path = fragments[0];
var urlAbsolutePath = ZipUtils.RelativePathToAbsolute(itemPath, path);
string newAbsolutePath = null;
if (!newAbsolutePaths.TryGetValue(urlAbsolutePath, out newAbsolutePath))
{
// URL isn't in set to update
return(uri);
}
var newRelativePath = ZipUtils.AbsolutePathToRelative(itemPath, newAbsolutePath);
if (2 == fragments.Length)
{
newRelativePath += "#" + fragments[1];
}
return(newRelativePath);
}
public void AddImagesTo(Epub.ImageUseIndex index)
{
string itemPath = AbsolutePath.GetZipPath();
XDocument doc = null;
try
{
doc = RawBytes.ToXhtml();
}
catch
{
System.Diagnostics.Trace.WriteLine($"XML Error with file {AbsolutePath}");
return;
}
foreach (var element in FindImageElements(doc))
{
HashSet <EpubItem> set = null;
var href = element.GetImageHref();
var urlAbsolutePath = ZipUtils.RelativePathToAbsolute(itemPath, href);
if (!index.TryGetValue(urlAbsolutePath, out set))
{
set = new HashSet <EpubItem>();
index.Add(urlAbsolutePath, set);
}
set.Add(this);
}
}
public EpubItem(XElement element, string opfFolder)
{
this.Id = element.Attribute("id").Value;
string relativePath = element.Attribute("href").Value;
this.AbsolutePath = ZipUtils.RelativePathToAbsolute(opfFolder, relativePath);
this.MediaType = element.Attribute("media-type").Value;
}
public GuideReference(XElement element, string opfFolder, Dictionary <string, EpubItem> absolutePathIndex)
{
string path = ZipUtils.RelativePathToAbsolute(opfFolder, element.Attribute("href").Value);
EpubItem temp = null;
absolutePathIndex.TryGetValue(path, out temp);
Item = temp;
Title = element.Attribute("title")?.Value;
TypeName = element.Attribute("type").Value;
}
public TocEntry(XElement element, string ncxFolder, Dictionary <string, EpubItem> absolutePathIndex)
{
Title = element.Element(Epub.ncxNs + "navLabel").Element(Epub.ncxNs + "text").Value;
string src = element.Element(Epub.ncxNs + "content").Attribute("src").Value;
int index = src.IndexOf("#");
if (0 < index)
{
Anchor = src.Substring(index);
src = src.Substring(0, index);
}
Item = absolutePathIndex[ZipUtils.RelativePathToAbsolute(ncxFolder, src)];
Children = element.Elements(Epub.ncxNs + "navPoint")
.Select(e => new TocEntry(e, ncxFolder, absolutePathIndex))
.ToList();
}