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Fixed Console.Readline, added Console.KeyAvailable

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This commit is contained in:
Brian Fiete 2023-04-17 15:16:19 -07:00
parent e71cb928a6
commit 037cb39240
5 changed files with 92 additions and 10 deletions
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2
BeefLibs/corlib/src/Console.bf
View file

@ -261,6 +261,8 @@ namespace System
}
}
public static bool KeyAvailable => In.CanReadNow;
public static Result<char8> Read() => In.Read();
public static Result<void> ReadLine(String strBuffer) => In.ReadLine(strBuffer);

4
BeefLibs/corlib/src/IO/FileStream.bf
View file

@ -62,7 +62,7 @@ namespace System.IO
return numBytesRead;
}
public virtual Result<int, FileError> TryRead(Span<uint8> data, int timeoutMS)
public override Result<int, FileError> TryRead(Span<uint8> data, int timeoutMS)
{
Platform.BfpFileResult result = .Ok;
int numBytesRead = Platform.BfpFile_Read(mBfpFile, data.Ptr, data.Length, timeoutMS, &result);
@ -513,7 +513,7 @@ namespace System.IO
return numBytesRead;
}
public Result<int, FileError> TryRead(Span<uint8> data, int timeoutMS)
public override Result<int, FileError> TryRead(Span<uint8> data, int timeoutMS)
{
if (mBfpFilePos != mPos)
Try!(SeekUnderlying(mPos));

14
BeefLibs/corlib/src/IO/Stream.bf
View file

@ -60,6 +60,20 @@ namespace System.IO
}
public abstract Result<int> TryRead(Span<uint8> data);
public virtual Result<int, FileError> TryRead(Span<uint8> data, int timeout)
{
if (timeout == -1)
{
switch (TryRead(data))
{
case .Ok(var i):
return i;
case .Err:
return .Err(.ReadError(.Unknown));
}
}
return .Err(.ReadError(.Unknown));
}
public abstract Result<int> TryWrite(Span<uint8> data);
public abstract Result<void> Close();

39
BeefLibs/corlib/src/IO/StreamReader.bf
View file

@ -50,6 +50,7 @@ namespace System.IO
private int32 mMaxCharsPerBuffer;
private Encoding mEncoding;
private bool mPendingNewlineCheck;
public Stream BaseStream
{
@ -167,6 +168,18 @@ namespace System.IO
}
}
public bool CanReadNow
{
get
{
if (mCharPos < mCharLen)
return true;
if (ReadBuffer(true) case .Ok(let count))
return count > 0;
return false;
}
}
public Result<void, FileOpenError> Open(StringView fileName)
{
Contract.Assert(mStream == null);
@ -393,7 +406,7 @@ namespace System.IO
}
}
protected virtual Result<int> ReadBuffer()
protected virtual Result<int> ReadBuffer(bool zeroWait = false)
{
mCharLen = 0;
mCharPos = 0;
@ -405,7 +418,7 @@ namespace System.IO
if (mCheckPreamble)
{
//Contract.Assert(bytePos <= _preamble.Length, "possible bug in _compressPreamble. Are two threads using this StreamReader at the same time?");
int len = Try!(mStream.TryRead(.(mByteBuffer, mBytePos, mByteBuffer.Count - mBytePos)));
int len = Try!(mStream.TryRead(.(mByteBuffer, mBytePos, mByteBuffer.Count - mBytePos), zeroWait ? 0 : -1));
/*switch (mStream.Read(mByteBuffer, mBytePos, mByteBuffer.Length - mBytePos))
{
case .Ok(var gotLen):
@ -437,7 +450,7 @@ namespace System.IO
{
//Contract.Assert(bytePos == 0, "bytePos can be non zero only when we are trying to _checkPreamble. Are two threads using this StreamReader at the same time?");
mByteLen = Try!(mStream.TryRead(.(mByteBuffer, 0, mByteBuffer.Count)));
mByteLen = Try!(mStream.TryRead(.(mByteBuffer, 0, mByteBuffer.Count), zeroWait ? 0 : -1));
/*switch (mStream.Read(mByteBuffer, 0, mByteBuffer.Length))
{
case .Ok(var byteLen):
@ -488,9 +501,13 @@ namespace System.IO
}
}
if ((mPendingNewlineCheck) && (mCharPos < mCharLen))
{
if (mCharBuffer[mCharPos] == '\n') mCharPos++;
mPendingNewlineCheck = false;
}
}
while (mCharLen == 0);
while (mCharLen == mCharPos);
//Console.WriteLine("ReadBuffer called. chars: "+char8Len);
return mCharLen;
@ -551,10 +568,18 @@ namespace System.IO
strBuffer.Append(mCharBuffer.CArray() + mCharPos, i - mCharPos);
mCharPos = i + 1;
if (ch == '\r' && (mCharPos < mCharLen || Try!(ReadBuffer()) > 0))
if (ch == '\r')
{
if (mCharBuffer[mCharPos] == '\n') mCharPos++;
if (mCharPos < mCharLen)
{
if (mCharBuffer[mCharPos] == '\n') mCharPos++;
}
else
{
mPendingNewlineCheck = true;
}
}
return .Ok;
}
i++;

43
BeefySysLib/platform/win/Platform.cpp
View file

@ -3043,7 +3043,48 @@ static void WINAPI OverlappedReadComplete(DWORD dwErrorCode, DWORD dwNumberOfByt
BFP_EXPORT intptr BFP_CALLTYPE BfpFile_Read(BfpFile* file, void* buffer, intptr size, int timeoutMS, BfpFileResult* outResult)
{
if (timeoutMS != -1)
bool forceNormalRead = false;
if ((file->mIsStd) && (file->mHandle == GetStdHandle(STD_INPUT_HANDLE)))
{
INPUT_RECORD record;
DWORD numRead;
while (true)
{
if (timeoutMS != -1)
{
if (!GetNumberOfConsoleInputEvents(file->mHandle, &numRead))
{
forceNormalRead = true;
break;
}
if (numRead == 0)
{
OUTRESULT(BfpFileResult_Timeout);
return 0;
}
}
if (!ReadConsoleInput(file->mHandle, &record, 1, &numRead))
{
forceNormalRead = true;
break;
}
if (numRead > 0)
{
if ((record.Event.KeyEvent.bKeyDown) && (record.Event.KeyEvent.uChar.AsciiChar != 0))
{
memset(buffer, record.Event.KeyEvent.uChar.AsciiChar, 1);
OUTRESULT(BfpFileResult_Ok);
return 1;
}
}
}
}
if ((timeoutMS != -1) && (!forceNormalRead))
{
if (file->mAsyncData == NULL)
{