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Included epub library in plugin project

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Marco Gavelli
2018-07-16 10:06:17 +02:00
parent a78428c698
commit a82cacd126
57 changed files with 57 additions and 61 deletions
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33
QuickLook.Plugin/QuickLook.Plugin.EpubViewer/EpubReader/Readers/RootFilePathReader.cs Normal file
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using System;
using System.IO;
using System.IO.Compression;
using System.Threading.Tasks;
using System.Xml.Linq;
namespace VersOne.Epub.Internal
{
internal static class RootFilePathReader
{
public static async Task<string> GetRootFilePathAsync(ZipArchive epubArchive)
{
const string EPUB_CONTAINER_FILE_PATH = "META-INF/container.xml";
ZipArchiveEntry containerFileEntry = epubArchive.GetEntry(EPUB_CONTAINER_FILE_PATH);
if (containerFileEntry == null)
{
throw new Exception(String.Format("EPUB parsing error: {0} file not found in archive.", EPUB_CONTAINER_FILE_PATH));
}
XDocument containerDocument;
using (Stream containerStream = containerFileEntry.Open())
{
containerDocument = await XmlUtils.LoadDocumentAsync(containerStream).ConfigureAwait(false);
}
XNamespace cnsNamespace = "urn:oasis:names:tc:opendocument:xmlns:container";
XAttribute fullPathAttribute = containerDocument.Element(cnsNamespace + "container")?.Element(cnsNamespace + "rootfiles")?.Element(cnsNamespace + "rootfile")?.Attribute("full-path");
if (fullPathAttribute == null)
{
throw new Exception("EPUB parsing error: root file path not found in the EPUB container.");
}
return fullPathAttribute.Value;
}
}
}