/// <summary>
/// 提取为流格式
/// </summary>
/// <param name="source">压缩源</param>
/// <param name="path">关键字</param>
/// <returns></returns>
private Stream ExtractToStream(SevenZipArchive source, string path)
{
ArchiveEntry entry = source[path];
MemoryStream stream = new MemoryStream();
entry.Extract(stream);
stream.Seek(0, SeekOrigin.Begin);
return(stream);
}
public static StreamReader ExtractToStreamReader(this ArchiveEntry archiveEntry)
{
var stream = new MemoryStream();
stream.Position = 0;
archiveEntry.Extract(stream);
var result = new StreamReader(stream);
result.BaseStream.Position = 0;
return(result);
}
/// <summary>
/// 提取为图片源格式
/// </summary>
/// <param name="source">压缩源</param>
/// <param name="path">关键字</param>
/// <returns></returns>
private ImageSource ExtractToImageSource(SevenZipArchive source, string path)
{
ArchiveEntry entry = source[path];
MemoryStream stream = new MemoryStream();
entry.Extract(stream);
stream.Seek(0, SeekOrigin.Begin);
ImageSourceConverter isc = new ImageSourceConverter();
return((ImageSource)isc.ConvertFrom(stream));
}
/// <summary>
/// 提取视频格式
/// </summary>
/// <param name="source"></param>
/// <param name="path"></param>
/// <returns></returns>
private Uri ExtractToVideoSoruce(SevenZipArchive source, string path)
{
ArchiveEntry entry = source[path];
string cachestring = Directory.GetCurrentDirectory() + "\\Cache";
entry.Extract(cachestring);
string name = System.IO.Path.Combine(cachestring, path);
string parserName = System.IO.Path.Combine(cachestring, "cache_" + GetSystemDateString() + Path.GetExtension(path));
(new FileInfo(name)).MoveTo(parserName);
return(new Uri(parserName));
}
private string ExtractToVideoSoruce(SevenZipArchive source, string path, string extension, string moveName)
{
ArchiveEntry entry = source[path];
string cachePath = Directory.GetCurrentDirectory() + "\\Cache";
if (!Directory.Exists(cachePath))
{
Directory.CreateDirectory(cachePath);
}
string cachestring = cachePath;
entry.Extract(cachestring);
string name = System.IO.Path.Combine(cachestring, path);
string parserName = System.IO.Path.Combine(cachestring, moveName + extension);
(new FileInfo(name)).MoveTo(parserName);
return("\\Cache\\" + moveName + extension);
}
public static void PreviewTexture(IWin32Window owner, ArchiveEntry entry)
{
if (entry == null)
{
throw new ArgumentException("Parameter 'entry' can't be null.", nameof(entry));
}
string fileName = entry.FileName;
var extension = Path.GetExtension(entry.LowerPath);
switch (extension)
{
case ".dds":
case ".bmp":
case ".png":
case ".jpg":
if ((entry as BA2TextureEntry)?.IsFormatSupported() == false)
{
MessageBox.Show(owner, "Unsupported DDS texture.");
return;
}
if (!Settings.Default.BuiltInPreviewing.Contains(extension))
{
goto default;
}
if (entry is BA2GNFEntry)
{
if (Settings.Default.ReplaceGNFExt)
{
fileName = Path.GetFileNameWithoutExtension(fileName) + ".gnf";
}
goto default;
}
try
{
DDSViewer.Show(owner, entry.FileName, entry.GetDataStream());
}
catch (Exception ex)
{
Debug.WriteLine(ex);
goto default;
}
break;
case ".txt":
case ".bat":
case ".xml":
case ".lst":
case ".psc":
case ".json":
if (!Settings.Default.BuiltInPreviewing.Contains(extension))
{
// Don't launch .bat files, just to be safe
if (extension == ".bat")
{
MessageBox.Show(owner,
"Can only preview batch scripts with built-in text viewer, you can enable it in Options.",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
break;
}
goto default;
}
new TextViewer(entry).Show(owner);
break;
default:
string dest = Program.CreateTempDirectory();
string file = Path.Combine(dest, fileName);
entry.Extract(dest, false, fileName);
try
{
Process.Start(new ProcessStartInfo(file));
}
catch (Win32Exception ex)
{
if (ex.NativeErrorCode == (int)SystemErrorCodes.ERROR_NO_ASSOCIATION)
{
ShellExecute.OpenWith(file);
}
else if (ex.NativeErrorCode != (int)SystemErrorCodes.ERROR_CANCELLED)
{
MessageBox.Show(owner, ex.Message, "Preview Error");
}
}
break;
}
}
