Provide access to ZIP archive entry in EpubLocalContentFileRef class

[vers-one]

Provide access to ZIP archive entry in EpubLocalContentFileRef class

This is:

• a bug fix
• an enhancement

Related issue: #144

Description

This pull request adds the ContentFileEntry property to the EpubLocalContentFileRef class. This property provides access to the underlying ZIP archive entry that corresponds to the content file.

Testing steps

Use the following code to test the new property:

string filePath = ...
using (EpubBookRef bookRef = EpubReader.OpenBook(filePath))
{
    IZipFileEntry firstHtmlEntry = bookRef.Content.Html.Local[0].ContentFileEntry!;
    Console.WriteLine($"Length: {firstHtmlEntry.Length}");
    Console.WriteLine($"CompressedLength: {firstHtmlEntry.CompressedLength}");
}