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(ArchiveFormat): moved to separate source file.

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This commit is contained in:
morkt
2016-12-04 15:34:22 +04:00
parent 7983cd0674
commit d2034f351d
3 changed files with 145 additions and 107 deletions
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107
GameRes/GameRes.cs
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@@ -159,107 +159,6 @@ namespace GameRes
{
}
public enum ArchiveOperation
{
Abort,
Skip,
Continue,
}
public delegate ArchiveOperation EntryCallback (int num, Entry entry, string description);
public abstract class ArchiveFormat : IResource
{
public override string Type { get { return "archive"; } }
/// <summary>
/// Whether archive file system could contain subdirectories.
/// </summary>
public abstract bool IsHierarchic { get; }
public abstract ArcFile TryOpen (ArcView view);
/// <summary>
/// Extract file referenced by <paramref name="entry"/> into current directory.
/// </summary>
public void Extract (ArcFile file, Entry entry)
{
using (var input = OpenEntry (file, entry))
using (var output = CreateFile (entry.Name))
input.CopyTo (output);
}
/// <summary>
/// Open file referenced by <paramref name="entry"/> as Stream.
/// </summary>
public virtual Stream OpenEntry (ArcFile arc, Entry entry)
{
return arc.File.CreateStream (entry.Offset, entry.Size, entry.Name);
}
/// <summary>
/// Open <paramref name="entry"> as image. Throws InvalidFormatException if entry is not an image.
/// </summary>
public virtual IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var input = arc.OpenBinaryEntry (entry);
return new ImageFormatDecoder (input);
}
/// <summary>
/// Create file corresponding to <paramref name="entry"/> in current directory and open it
/// for writing. Overwrites existing file, if any.
/// </summary>
static public Stream CreateFile (string filename)
{
filename = CreatePath (filename);
if (File.Exists (filename))
{
// query somehow whether to overwrite existing file or not.
}
return File.Create (filename);
}
static public string CreatePath (string filename)
{
string dir = Path.GetDirectoryName (filename);
if (!string.IsNullOrEmpty (dir)) // check for malformed filenames
{
string root = Path.GetPathRoot (dir);
if (!string.IsNullOrEmpty (root))
{
dir = dir.Substring (root.Length); // strip root
}
string cwd = Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar;
dir = Path.GetFullPath (dir);
filename = Path.GetFileName (filename);
// check whether filename would reside within current directory
if (dir.StartsWith (cwd, StringComparison.OrdinalIgnoreCase))
{
// path looks legit, create it
Directory.CreateDirectory (dir);
filename = Path.Combine (dir, filename);
}
}
return filename;
}
/// <summary>
/// Create resource within stream <paramref name="file"/> containing entries from the
/// supplied <paramref name="list"/> and applying necessary <paramref name="options"/>.
/// </summary>
public virtual void Create (Stream file, IEnumerable<Entry> list, ResourceOptions options = null,
EntryCallback callback = null)
{
throw new NotImplementedException ("ArchiveFormat.Create is not implemented");
}
public static bool IsSaneCount (int count)
{
return count > 0 && count < 0x20000;
}
}
public delegate void ParametersRequestEventHandler (object sender, ParametersRequestEventArgs e);
public class ParametersRequestEventArgs : EventArgs
@@ -280,12 +179,6 @@ namespace GameRes
public ResourceOptions Options { get; set; }
}
public class OverwriteEventArgs : EventArgs
{
public string Filename { get; set; }
public bool Overwrite { get; set; }
}
public class InvalidFormatException : FileFormatException
{
public InvalidFormatException() : base(garStrings.MsgInvalidFormat) { }