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Allow setting length on more IStorage classes

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This commit is contained in:
Alex Barney 2019-03-26 19:51:29 -05:00
parent f570c56122
commit 6e6c060e25
4 changed files with 14 additions and 10 deletions
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10
src/LibHac/IO/NxFileStream.cs
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@ -7,12 +7,13 @@ namespace LibHac.IO
{ {
private IFile BaseFile { get; } private IFile BaseFile { get; }
private bool LeaveOpen { get; } private bool LeaveOpen { get; }
private long _length;
public NxFileStream(IFile baseFile, bool leaveOpen) public NxFileStream(IFile baseFile, bool leaveOpen)
{ {
BaseFile = baseFile; BaseFile = baseFile;
LeaveOpen = leaveOpen; LeaveOpen = leaveOpen;
Length = baseFile.GetSize(); _length = baseFile.GetSize();
} }
public override int Read(byte[] buffer, int offset, int count) public override int Read(byte[] buffer, int offset, int count)
@ -56,14 +57,15 @@ namespace LibHac.IO
public override void SetLength(long value) public override void SetLength(long value)
{ {
throw new NotImplementedException(); BaseFile.SetSize(value);
_length = BaseFile.GetSize();
} }
// todo access
public override bool CanRead => BaseFile.Mode.HasFlag(OpenMode.Read); public override bool CanRead => BaseFile.Mode.HasFlag(OpenMode.Read);
public override bool CanSeek => true; public override bool CanSeek => true;
public override bool CanWrite => BaseFile.Mode.HasFlag(OpenMode.Write); public override bool CanWrite => BaseFile.Mode.HasFlag(OpenMode.Write);
public override long Length { get; } public override long Length => _length;
public override long Position { get; set; } public override long Position { get; set; }
protected override void Dispose(bool disposing) protected override void Dispose(bool disposing)

1
src/LibHac/IO/RomFs/RomFsFileSystem.cs
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@ -10,7 +10,6 @@ namespace LibHac.IO.RomFs
public HierarchicalRomFileTable FileTable { get; } public HierarchicalRomFileTable FileTable { get; }
private IStorage BaseStorage { get; } private IStorage BaseStorage { get; }
// todo Don't parse entire table when opening
public RomFsFileSystem(IStorage storage) public RomFsFileSystem(IStorage storage)
{ {
BaseStorage = storage; BaseStorage = storage;

2
src/LibHac/IO/StorageFile.cs
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@ -40,7 +40,7 @@ namespace LibHac.IO
public override void SetSize(long size) public override void SetSize(long size)
{ {
throw new NotImplementedException(); BaseStorage.SetSize(size);
} }
} }
} }

11
src/LibHac/IO/StorageStream.cs
View file

@ -7,12 +7,13 @@ namespace LibHac.IO
{ {
private IStorage BaseStorage { get; } private IStorage BaseStorage { get; }
private bool LeaveOpen { get; } private bool LeaveOpen { get; }
private long _length;
public StorageStream(IStorage baseStorage, FileAccess access, bool leaveOpen) public StorageStream(IStorage baseStorage, FileAccess access, bool leaveOpen)
{ {
BaseStorage = baseStorage; BaseStorage = baseStorage;
LeaveOpen = leaveOpen; LeaveOpen = leaveOpen;
Length = baseStorage.GetSize(); _length = baseStorage.GetSize();
CanRead = access.HasFlag(FileAccess.Read); CanRead = access.HasFlag(FileAccess.Read);
CanWrite = access.HasFlag(FileAccess.Write); CanWrite = access.HasFlag(FileAccess.Write);
@ -20,7 +21,7 @@ namespace LibHac.IO
public override int Read(byte[] buffer, int offset, int count) public override int Read(byte[] buffer, int offset, int count)
{ {
int toRead = (int) Math.Min(count, Length - Position); int toRead = (int)Math.Min(count, Length - Position);
BaseStorage.Read(buffer.AsSpan(offset, toRead), Position); BaseStorage.Read(buffer.AsSpan(offset, toRead), Position);
Position += toRead; Position += toRead;
@ -58,13 +59,15 @@ namespace LibHac.IO
public override void SetLength(long value) public override void SetLength(long value)
{ {
throw new NotImplementedException(); BaseStorage.SetSize(value);
_length = BaseStorage.GetSize();
} }
public override bool CanRead { get; } public override bool CanRead { get; }
public override bool CanSeek => true; public override bool CanSeek => true;
public override bool CanWrite { get; } public override bool CanWrite { get; }
public override long Length { get; } public override long Length => _length;
public override long Position { get; set; } public override long Position { get; set; }
protected override void Dispose(bool disposing) protected override void Dispose(bool disposing)