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(ArchiveFileSystem): base abstract class for flat ant tree archive file systems.

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This commit is contained in:
morkt 2015-09-02 04:25:35 +04:00
parent 047d07f376
commit 81ab95ebf1
2 changed files with 60 additions and 42 deletions
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2
GameRes/ArcFile.cs
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@ -192,7 +192,7 @@ namespace GameRes
public IFileSystem CreateFileSystem ()
{
if (m_interface.IsHierarchic)
return new ArchiveFileSystem (this);
return new TreeArchiveFileSystem (this);
else
return new FlatArchiveFileSystem (this);
}

100
GameRes/FileSystem.cs
View File

@ -170,29 +170,16 @@ namespace GameRes
}
}
public class FlatArchiveFileSystem : IFileSystem
public abstract class ArchiveFileSystem : IFileSystem
{
protected readonly ArcFile m_arc;
protected readonly Dictionary<string, Entry> m_dir;
public ArcFile Source { get { return m_arc; } }
public virtual string CurrentDirectory
{
get { return ""; }
set
{
if (string.IsNullOrEmpty (value))
return;
if (".." == value || "." == value)
return;
if ("\\" == value || "/" == value)
return;
throw new DirectoryNotFoundException();
}
}
public abstract string CurrentDirectory { get; set; }
public FlatArchiveFileSystem (ArcFile arc)
public ArchiveFileSystem (ArcFile arc)
{
m_arc = arc;
m_dir = new Dictionary<string, Entry> (arc.Dir.Count, StringComparer.InvariantCultureIgnoreCase);
@ -222,28 +209,13 @@ namespace GameRes
return m_arc.OpenView (entry);
}
public virtual Entry FindFile (string filename)
{
Entry entry = null;
if (!m_dir.TryGetValue (filename, out entry))
throw new FileNotFoundException();
return entry;
}
public abstract Entry FindFile (string filename);
public virtual IEnumerable<Entry> GetFiles ()
{
return m_arc.Dir;
}
public abstract IEnumerable<Entry> GetFiles ();
public virtual IEnumerable<Entry> GetFilesRecursive ()
{
return m_arc.Dir;
}
public abstract IEnumerable<Entry> GetFilesRecursive ();
public virtual string CombinePath (string path1, string path2)
{
return Path.Combine (path1, path2);
}
public abstract string CombinePath (string path1, string path2);
#region IDisposable Members
bool _arc_disposed = false;
@ -268,7 +240,52 @@ namespace GameRes
#endregion
}
public class ArchiveFileSystem : FlatArchiveFileSystem
public class FlatArchiveFileSystem : ArchiveFileSystem
{
public override string CurrentDirectory
{
get { return ""; }
set
{
if (string.IsNullOrEmpty (value))
return;
if (".." == value || "." == value)
return;
if ("\\" == value || "/" == value)
return;
throw new DirectoryNotFoundException();
}
}
public FlatArchiveFileSystem (ArcFile arc) : base (arc)
{
}
public override Entry FindFile (string filename)
{
Entry entry = null;
if (!m_dir.TryGetValue (filename, out entry))
throw new FileNotFoundException();
return entry;
}
public override IEnumerable<Entry> GetFiles ()
{
return m_arc.Dir;
}
public override IEnumerable<Entry> GetFilesRecursive ()
{
return m_arc.Dir;
}
public override string CombinePath (string path1, string path2)
{
return Path.Combine (path1, path2);
}
}
public class TreeArchiveFileSystem : ArchiveFileSystem
{
private string m_cwd;
@ -276,7 +293,7 @@ namespace GameRes
private static readonly char[] m_path_delimiters = { '/', '\\' };
public ArchiveFileSystem (ArcFile arc) : base (arc)
public TreeArchiveFileSystem (ArcFile arc) : base (arc)
{
m_cwd = "";
PathDelimiter = "/";
@ -436,8 +453,9 @@ namespace GameRes
if (entry.Name == LastVisitedPath && null != LastVisitedArc)
{
Push (LastVisitedPath, LastVisitedArc);
if (LastVisitedArc is FlatArchiveFileSystem)
CurrentArchive = (LastVisitedArc as FlatArchiveFileSystem).Source;
var fs = LastVisitedArc as ArchiveFileSystem;
if (null != fs)
CurrentArchive = fs.Source;
return;
}
Flush();
@ -469,8 +487,8 @@ namespace GameRes
Flush();
LastVisitedArc = m_fs_stack.Pop();
LastVisitedPath = m_arc_name_stack.Pop();
if (m_fs_stack.Count > 1 && m_fs_stack.Peek() is FlatArchiveFileSystem)
CurrentArchive = (m_fs_stack.Peek() as FlatArchiveFileSystem).Source;
if (m_fs_stack.Count > 1 && m_fs_stack.Peek() is ArchiveFileSystem)
CurrentArchive = (m_fs_stack.Peek() as ArchiveFileSystem).Source;
else
CurrentArchive = null;
}