1 files changed, 41 insertions, 0 deletions
diff --git a/hostTools/lzma/compress/InByte.cpp b/hostTools/lzma/compress/InByte.cpp
new file mode 100644
index 0000000..03f6a62
--- /dev/null
+++ b/hostTools/lzma/compress/InByte.cpp
@@ -0,0 +1,41 @@
+#include "InByte.h"
+
+namespace NStream{
+
+CInByte::CInByte(UINT32 aBufferSize):
+  m_BufferSize(aBufferSize),
+  m_BufferBase(0)
+{
+  m_BufferBase = new BYTE[m_BufferSize];
+}
+
+CInByte::~CInByte()
+{
+  delete []m_BufferBase;
+}
+
+void CInByte::Init(ISequentialInStream *aStream)
+{
+  m_Stream = aStream;
+  m_ProcessedSize = 0;
+  m_Buffer = m_BufferBase;
+  m_BufferLimit = m_Buffer;
+  m_StreamWasExhausted = false;
+}
+
+bool CInByte::ReadBlock()
+{
+  if (m_StreamWasExhausted)
+    return false;
+  m_ProcessedSize += (m_Buffer - m_BufferBase);
+  UINT32 aNumProcessedBytes;
+  HRESULT aResult = m_Stream->Read(m_BufferBase, m_BufferSize, &aNumProcessedBytes);
+  if (aResult != S_OK)
+    throw aResult;
+  m_Buffer = m_BufferBase;
+  m_BufferLimit = m_Buffer + aNumProcessedBytes;
+  m_StreamWasExhausted = (aNumProcessedBytes == 0);
+  return (!m_StreamWasExhausted);
+}
+
+}