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(XFL): treat embedded XFL archives as sub-directories.

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poddav
2022-04-29 13:24:11 +04:00
parent 0e0e0fb4da
commit 6090c72401
1 changed files with 41 additions and 17 deletions
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58
ArcFormats/Liar/ArcXFL.cs
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@@ -39,38 +39,62 @@ namespace GameRes.Formats.Liar
public override string Tag { get { return "XFL"; } } public override string Tag { get { return "XFL"; } }
public override string Description { get { return Strings.arcStrings.XFLDescription; } } public override string Description { get { return Strings.arcStrings.XFLDescription; } }
public override uint Signature { get { return 0x0001424c; } } public override uint Signature { get { return 0x0001424c; } }
public override bool IsHierarchic { get { return false; } } public override bool IsHierarchic { get { return true; } }
public override bool CanWrite { get { return true; } } public override bool CanWrite { get { return true; } }
public override ArcFile TryOpen (ArcView file) public override ArcFile TryOpen (ArcView file)
{ {
uint dir_size = file.View.ReadUInt32 (4); var dir = ReadDirectory (file, 0, file.MaxOffset, "");
int count = file.View.ReadInt32 (8); if (dir != null)
if (count <= 0) return new ArcFile (file, this, dir);
else
return null; return null;
long max_offset = file.MaxOffset; }
uint base_offset = dir_size + 12;
if (dir_size >= max_offset || base_offset >= max_offset) internal List<Entry> ReadDirectory (ArcView file, long base_offset, long max_offset, string base_dir)
{
uint dir_size = file.View.ReadUInt32 (base_offset+4);
int count = file.View.ReadInt32 (base_offset+8);
if (!IsSaneCount (count))
return null;
long data_offset = base_offset + dir_size + 12;
if (dir_size >= max_offset || data_offset >= max_offset)
return null; return null;
file.View.Reserve (0, base_offset); file.View.Reserve (base_offset, (uint)(data_offset - base_offset));
long cur_offset = 12; long cur_offset = base_offset + 12;
var dir = new List<Entry> (count); var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i) for (int i = 0; i < count; ++i)
{ {
if (cur_offset+40 > base_offset) if (cur_offset+40 > data_offset)
return null; return null;
string name = file.View.ReadString (cur_offset, 32); string name = file.View.ReadString (cur_offset, 32);
var entry = FormatCatalog.Instance.Create<Entry> (name); var entry_offset = data_offset + file.View.ReadUInt32 (cur_offset+32);
entry.Offset = base_offset + file.View.ReadUInt32 (cur_offset+32); var entry_size = file.View.ReadUInt32 (cur_offset+36);
entry.Size = file.View.ReadUInt32 (cur_offset+36); List<Entry> subdir = null;
if (!entry.CheckPlacement (max_offset)) name = VFS.CombinePath (base_dir, name);
return null; if (name.HasExtension (".xfl") && file.View.ReadUInt32 (entry_offset) == Signature)
dir.Add (entry); {
subdir = ReadDirectory (file, entry_offset, entry_offset + entry_size, name);
}
if (subdir != null && subdir.Count > 0)
{
dir.AddRange (subdir);
}
else
{
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = entry_offset;
entry.Size = entry_size;
if (!entry.CheckPlacement (max_offset))
return null;
dir.Add (entry);
}
cur_offset += 40; cur_offset += 40;
} }
return new ArcFile (file, this, dir); return dir;
} }
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options, public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,