public async Task LoadAsync(Stream stream)
{
await Task.Run(() =>
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
try
{
Content = new ZipArchive(stream, ZipArchiveMode.Read, false,
System.Globalization.CultureInfo.CurrentCulture.TwoLetterISOLanguageName == "ja" ?
Encoding.GetEncoding(932) : Encoding.UTF8);
OnLoaded(new EventArgs());
}
catch { }
}
);
if (Content == null)
{
return;
}
var entries = new List <ZipArchiveEntry>();
string[] supportedFile = BookManager.AvailableExtensionsImage;
var cm = Content.Mode;
var files = Content.Entries;
foreach (var file in files)
{
var s = Path.GetExtension(file.Name).ToLower();
var b = supportedFile.Contains(Path.GetExtension(file.Name).ToLower());
if (supportedFile.Contains(Path.GetExtension(file.Name).ToLower()))
{
entries.Add(file);
}
}
IOrderedEnumerable <ZipArchiveEntry> tempOrder;
if ((bool)SettingStorage.GetValue("SortNaturalOrder"))
{
tempOrder = entries.OrderBy((a) => new NaturalSort.NaturalList(a.FullName));
//entries.Sort((a, b) => NaturalSort.NaturalCompare(a.FullName, b.FullName));
}
else
{
tempOrder = entries.OrderBy((a) => a.FullName);
//entries.Sort((a, b) => a.FullName.CompareTo(b.FullName));
}
if ((bool)SettingStorage.GetValue("SortCoverComesFirst"))
{
tempOrder = tempOrder.ThenBy((a) => a.FullName.ToLower().Contains("cover"));
//entries.Sort((a, b) => b.FullName.ToLower().Contains("cover").CompareTo(a.FullName.ToLower().Contains("cover")));
}
entries = tempOrder.ToList();
{
//toc関係
var toc = new List <TocItem>();
for (int i = 0; i < entries.Count; i++)
{
var dirs = Path.GetDirectoryName(entries[i].FullName).Split(Path.DirectorySeparatorChar).ToList();
dirs.Add(".");
var ctoc = toc;
TocItem lastitem = null;
for (int j = 0; j < dirs.Count(); j++)
{
dirs[j] = dirs[j] == "" ? "." : dirs[j];
if (ctoc.Count == 0 || ctoc.Last().Title != dirs[j])
{
ctoc.Add(new TocItem()
{
Children = new TocItem[0], Title = dirs[j], Page = i
});
}
if (lastitem != null)
{
lastitem.Children = ctoc.ToArray();
}
lastitem = ctoc.Last();
ctoc = lastitem.Children.ToList();
}
}
Toc = toc.ToArray();
}
AvailableEntries = entries.ToArray();
}
public async Task LoadAsync(Stream sr)
{
SharpCompress.Archives.IArchive archive;
await Task.Run(() =>
{
try
{
archive = SharpCompress.Archives.ArchiveFactory.Open(sr);
var entries = new List <SharpCompress.Archives.IArchiveEntry>();
foreach (var entry in archive.Entries)
{
if (!entry.IsDirectory && !entry.IsEncrypted)
{
if (BookManager.AvailableExtensionsImage.Contains(Path.GetExtension(entry.Key).ToLower()))
{
entries.Add(entry);
}
}
}
IOrderedEnumerable <SharpCompress.Archives.IArchiveEntry> tempOrder;
if ((bool)SettingStorage.GetValue("SortNaturalOrder"))
{
tempOrder = entries.OrderBy((a) => new NaturalSort.NaturalList(a.Key));
}
else
{
tempOrder = entries.OrderBy((a) => a.Key);
}
if ((bool)SettingStorage.GetValue("SortCoverComesFirst"))
{
tempOrder = tempOrder.ThenBy((a) => a.Key.ToLower().Contains("cover"));
}
entries = tempOrder.ToList();
{
//toc関係
var toc = new List <TocItem>();
for (int i = 0; i < entries.Count; i++)
{
var dirs = Path.GetDirectoryName(entries[i].Key).Split(Path.DirectorySeparatorChar).ToList();
dirs.Add(".");
var ctoc = toc;
TocItem lastitem = null;
for (int j = 0; j < dirs.Count(); j++)
{
dirs[j] = dirs[j] == "" ? "." : dirs[j];
if (ctoc.Count == 0 || ctoc.Last().Title != dirs[j])
{
ctoc.Add(new TocItem()
{
Children = new TocItem[0], Title = dirs[j], Page = i
});
}
if (lastitem != null)
{
lastitem.Children = ctoc.ToArray();
}
lastitem = ctoc.Last();
ctoc = lastitem.Children.ToList();
}
}
Toc = toc.ToArray();
}
Entries = entries.ToArray();
OnLoaded();
}
catch { Entries = new SharpCompress.Archives.IArchiveEntry[0]; }
});
}
public static TocItem[] GetTocs(Array list, Hashtable nd, List <iTextSharp.text.pdf.PRIndirectReference> pageRefs)
{
int GetPage(iTextSharp.text.pdf.PdfIndirectReference pref)
{
return(pageRefs.FindIndex(a =>
{
return a.Number == pref.Number && a.Generation == pref.Generation;
}));
}
if (list == null)
{
return(new TocItem[0]);
}
var result = new List <TocItem>();
foreach (var item in list)
{
TocItem tocItem = new TocItem();
if (item is Hashtable itemd)
{
if (itemd.ContainsKey("Named") && itemd["Named"] is string named)
{
if (nd.ContainsKey(named) && nd[named] is iTextSharp.text.pdf.PdfArray nditem)
{
//Note
//http://www.pdf-tools.trustss.co.jp/Syntax/catalog.html#destinations
if (nditem.Length > 0 && nditem[0] is iTextSharp.text.pdf.PdfIndirectReference pir)
{
//This pir thing is not page number. This is reference to the /Page.
//https://stackoverflow.com/questions/30855432/how-to-get-the-page-number-of-an-arbitrary-pdf-object
tocItem.Page = GetPage(pir);
}
}
else if (nd.ContainsKey(named) && nd[named] is iTextSharp.text.pdf.PdfDictionary ndDict)
{
//I dont have PDF file to test this...
continue;
}
}
else if (itemd.ContainsKey("Page"))
{
if (itemd["Page"] is string s)
{
var res = s.Split(' ');
int page = 0;
if (res.Length > 0 && int.TryParse(res[0], out page))
{
tocItem.Page = page - 1;
}
else
{
continue;
}
}
else if (itemd["Page"] is iTextSharp.text.pdf.PdfArray nditem)
{
//There may be the case where this is PdfIndirectReference... But I dont have one.
//Does this really happen?
if (nditem.Length > 0 && nditem[0] is iTextSharp.text.pdf.PdfIndirectReference pir)
{
tocItem.Page = GetPage(pir);
}
}
else
{
continue;
}
}
else
{
continue;
}
if (itemd.ContainsKey("Title") && itemd["Title"] is string title)
{
tocItem.Title = title;
}
else
{
continue;
}
if (itemd.ContainsKey("Kids") && itemd["Kids"] is ArrayList kids)
{
tocItem.Children = GetTocs(kids.ToArray(), nd, pageRefs);
}
result.Add(tocItem);
}
}
return(result.ToArray());
}
