| public AddStream ( Compression _method, string _filenameInZip, System.Stream _source, System.DateTime _modTime, string _comment, ushort access = 0x8100 ) : void | ||
| _method | Compression | Compression method |
| _filenameInZip | string | Filename and path as desired in Zip directory |
| _source | System.Stream | Stream object containing the data to store in Zip |
| _modTime | System.DateTime | Modification time of the data to store |
| _comment | string | Comment for stored file |
| access | ushort | |
| Résultat | void | |
public void AddStream(Compression _method, string _filenameInZip, Stream _source, DateTime _modTime, string _comment, ushort access = 0x8100)
{
if (Access == FileAccess.Read)
throw new InvalidOperationException("Writing is not alowed");
//long offset;
if (this.Files.Count==0)
;//offset = 0;
else
{
/*ZipFileEntry last = this.*/Files[this.Files.Count-1];
// /*offset =*/ last.HeaderOffset + last.HeaderSize;
}
// Prepare the fileinfo
ZipFileEntry zfe = new ZipFileEntry();
if (_source.Length < 10)
zfe.Method = Compression.Store;
else
zfe.Method = _method;
zfe.EncodeUTF8 = this.EncodeUTF8;
zfe.FilenameInZip = NormalizedFilename(_filenameInZip);
zfe.Comment = (_comment == null ? "" : _comment);
zfe.ExternalFileAttributes = 0x8000 | access & 0xfff; // file
// Even though we write the header now, it will have to be rewritten, since we don't know compressed size or crc.
zfe.Crc32 = 0; // to be updated later
zfe.HeaderOffset = (uint)this.ZipFileStream.Position; // offset within file of the start of this local record
zfe.ModifyTime = _modTime;
// Write local header
WriteLocalHeader(ref zfe);
zfe.FileOffset = (uint)this.ZipFileStream.Position;
// Write file to zip (store)
Store(ref zfe, _source);
_source.Close();
this.UpdateCrcAndSizes(ref zfe);
Files.Add(zfe);
}
//Epubにファイルを追加する(mimetypeを除く)
private static void WriteEpubFilesToZip(ZipStorer zip,string srcDir)
{
var files = Directory.GetFiles(srcDir, "*", SearchOption.AllDirectories); //全ファイル
var targetFiles = files.Where(e => Path.GetFileName(e).Equals("mimetype") != true) //mimetypeを除く
.Select(e => new FileInfo(e));
foreach (var targetFile in targetFiles)
{
var ext = targetFile.Extension;
var compression = new ZipStorer.Compression();
switch (ext)
{
case "jpg": //画像ファイルは圧縮しない(時間の無駄なので)
case "JPEG":
case "png":
case "PNG":
case "gif":
case "GIF":
compression = ZipStorer.Compression.Store;
break;
case "EPUB":
case "epub":
continue; //EPUBファイルは格納しない
default:
compression = ZipStorer.Compression.Deflate; //通常のファイルは圧縮する
break;
}
//対象を書き込む
using (var ms = new MemoryStream(File.ReadAllBytes(targetFile.FullName)))
{
ms.Position = 0; //ファイルの先頭からコピー
var fileNameInZip = GetRelPath(targetFile.FullName, srcDir); //zip内でのファイル名
zip.AddStream(compression, fileNameInZip, ms, DateTime.Now, string.Empty);
}
}
}