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Code Issues Releases Wiki Activity

Merge pull request #575 from SquidDev-CC/ComputerCraft/feature/file-seeking

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Rewrite file systems to use ByteChannels
This commit is contained in:
SquidDev
2018-10-24 12:20:53 +01:00
parent 822db6e9b5 518eefbe10
commit e555f9f7f0
23 changed files with 1381 additions and 972 deletions
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40
src/main/java/dan200/computercraft/core/apis/FSAPI.java
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@@ -9,19 +9,23 @@ package dan200.computercraft.core.apis;
import dan200.computercraft.api.lua.ILuaAPI;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.apis.handles.BinaryInputHandle;
import dan200.computercraft.core.apis.handles.BinaryOutputHandle;
import dan200.computercraft.core.apis.handles.EncodedInputHandle;
import dan200.computercraft.core.apis.handles.EncodedOutputHandle;
import dan200.computercraft.core.apis.handles.BinaryReadableHandle;
import dan200.computercraft.core.apis.handles.BinaryWritableHandle;
import dan200.computercraft.core.apis.handles.EncodedReadableHandle;
import dan200.computercraft.core.apis.handles.EncodedWritableHandle;
import dan200.computercraft.core.filesystem.FileSystem;
import dan200.computercraft.core.filesystem.FileSystemException;
import dan200.computercraft.core.filesystem.FileSystemWrapper;
import dan200.computercraft.core.tracking.TrackingField;
import javax.annotation.Nonnull;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
@@ -221,38 +225,38 @@ public class FSAPI implements ILuaAPI
case "r":
{
// Open the file for reading, then create a wrapper around the reader
InputStream reader = m_fileSystem.openForRead( path );
return new Object[] { new EncodedInputHandle( reader ) };
FileSystemWrapper<BufferedReader> reader = m_fileSystem.openForRead( path, EncodedReadableHandle::openUtf8 );
return new Object[] { new EncodedReadableHandle( reader.get(), reader ) };
}
case "w":
{
// Open the file for writing, then create a wrapper around the writer
OutputStream writer = m_fileSystem.openForWrite( path, false );
return new Object[] { new EncodedOutputHandle( writer ) };
FileSystemWrapper<BufferedWriter> writer = m_fileSystem.openForWrite( path, false, EncodedWritableHandle::openUtf8 );
return new Object[] { new EncodedWritableHandle( writer.get(), writer ) };
}
case "a":
{
// Open the file for appending, then create a wrapper around the writer
OutputStream writer = m_fileSystem.openForWrite( path, true );
return new Object[] { new EncodedOutputHandle( writer ) };
FileSystemWrapper<BufferedWriter> writer = m_fileSystem.openForWrite( path, true, EncodedWritableHandle::openUtf8 );
return new Object[] { new EncodedWritableHandle( writer.get(), writer ) };
}
case "rb":
{
// Open the file for binary reading, then create a wrapper around the reader
InputStream reader = m_fileSystem.openForRead( path );
return new Object[] { new BinaryInputHandle( reader ) };
FileSystemWrapper<ReadableByteChannel> reader = m_fileSystem.openForRead( path, Function.identity() );
return new Object[] { new BinaryReadableHandle( reader.get(), reader ) };
}
case "wb":
{
// Open the file for binary writing, then create a wrapper around the writer
OutputStream writer = m_fileSystem.openForWrite( path, false );
return new Object[] { new BinaryOutputHandle( writer ) };
FileSystemWrapper<WritableByteChannel> writer = m_fileSystem.openForWrite( path, false, Function.identity() );
return new Object[] { new BinaryWritableHandle( writer.get(), writer ) };
}
case "ab":
{
// Open the file for binary appending, then create a wrapper around the reader
OutputStream writer = m_fileSystem.openForWrite( path, true );
return new Object[] { new BinaryOutputHandle( writer ) };
FileSystemWrapper<WritableByteChannel> writer = m_fileSystem.openForWrite( path, true, Function.identity() );
return new Object[] { new BinaryWritableHandle( writer.get(), writer ) };
}
default:
throw new LuaException( "Unsupported mode" );