1 files changed, 78 insertions, 0 deletions
diff --git a/7zip/Compress/LZ/HashChain/HCMFMain.h b/7zip/Compress/LZ/HashChain/HCMFMain.h
new file mode 100755
index 00000000..dd428488
--- /dev/null
+++ b/7zip/Compress/LZ/HashChain/HCMFMain.h
@@ -0,0 +1,78 @@
+// HCMFMain.h
+
+#include "HCMain.h"
+
+namespace HC_NAMESPACE {
+
+void CInTree2::BeforeMoveBlock()
+{
+  if (m_Callback)
+    m_Callback->BeforeChangingBufferPos();
+  CInTree::BeforeMoveBlock();
+}
+
+void CInTree2::AfterMoveBlock()
+{
+  if (m_Callback)
+    m_Callback->AfterChangingBufferPos();
+  CInTree::AfterMoveBlock();
+}
+
+STDMETHODIMP CMatchFinderHC::Init(ISequentialInStream *aStream)
+  { return m_MatchFinder.Init(aStream); }
+
+STDMETHODIMP_(void) CMatchFinderHC::ReleaseStream()
+{ 
+  // m_MatchFinder.ReleaseStream(); 
+}
+
+STDMETHODIMP CMatchFinderHC::MovePos()
+  { return m_MatchFinder.MovePos(); }
+
+STDMETHODIMP_(BYTE) CMatchFinderHC::GetIndexByte(UINT32 anIndex)
+  { return m_MatchFinder.GetIndexByte(anIndex); }
+
+STDMETHODIMP_(UINT32) CMatchFinderHC::GetMatchLen(UINT32 aIndex, 
+    UINT32 aBack, UINT32 aLimit)
+  { return m_MatchFinder.GetMatchLen(aIndex, aBack, aLimit); }
+
+STDMETHODIMP_(UINT32) CMatchFinderHC::GetNumAvailableBytes()
+  { return m_MatchFinder.GetNumAvailableBytes(); }
+  
+STDMETHODIMP CMatchFinderHC::Create(UINT32 aSizeHistory, 
+      UINT32 aKeepAddBufferBefore, UINT32 aMatchMaxLen, 
+      UINT32 aKeepAddBufferAfter)
+{ 
+  UINT32 aWindowReservSize = (aSizeHistory + aKeepAddBufferBefore + 
+      aMatchMaxLen + aKeepAddBufferAfter) / 2 + 256;
+  try 
+  {
+    return m_MatchFinder.Create(aSizeHistory, aKeepAddBufferBefore, aMatchMaxLen, 
+      aKeepAddBufferAfter, aWindowReservSize); 
+  }
+  catch(...)
+  {
+    return E_OUTOFMEMORY;
+  }
+}
+
+STDMETHODIMP_(UINT32) CMatchFinderHC::GetLongestMatch(UINT32 *aDistances)
+  { return m_MatchFinder.GetLongestMatch(aDistances); }
+
+STDMETHODIMP_(void) CMatchFinderHC::DummyLongestMatch()
+  { m_MatchFinder.DummyLongestMatch(); }
+
+STDMETHODIMP_(const BYTE *) CMatchFinderHC::GetPointerToCurrentPos()
+{
+  return m_MatchFinder.GetPointerToCurrentPos();
+}
+
+// IMatchFinderSetCallback
+STDMETHODIMP CMatchFinderHC::SetCallback(IMatchFinderCallback *aCallback)
+{
+  m_MatchFinder.SetCallback(aCallback);
+  return S_OK;
+}
+
+
+}