1 files changed, 118 insertions, 0 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Archive/DeflateProps.cpp b/src/libs/7zip/unix/CPP/7zip/Archive/DeflateProps.cpp
new file mode 100644
index 000000000..8498e0565
--- /dev/null
+++ b/src/libs/7zip/unix/CPP/7zip/Archive/DeflateProps.cpp
@@ -0,0 +1,118 @@
+// DeflateProps.cpp
+
+#include "StdAfx.h"
+
+#include "Windows/PropVariant.h"
+
+#include "Common/ParseProperties.h"
+
+#include "DeflateProps.h"
+
+namespace NArchive {
+
+static const UInt32 kAlgo1 = 0;
+static const UInt32 kAlgo5 = 1;
+
+static const UInt32 kPasses1 = 1;
+static const UInt32 kPasses7 = 3;
+static const UInt32 kPasses9 = 10;
+
+static const UInt32 kFb1 = 32;
+static const UInt32 kFb7 = 64;
+static const UInt32 kFb9 = 128;
+
+void CDeflateProps::Normalize()
+{
+  UInt32 level = Level;
+  if (level == 0xFFFFFFFF)
+    level = 5;
+  
+  if (Algo == 0xFFFFFFFF)
+    Algo = (level >= 5 ?
+      kAlgo5 :
+      kAlgo1);
+
+  if (NumPasses == 0xFFFFFFFF)
+    NumPasses =
+      (level >= 9 ? kPasses9 :
+      (level >= 7 ? kPasses7 :
+                    kPasses1));
+  if (Fb == 0xFFFFFFFF)
+    Fb =
+      (level >= 9 ? kFb9 :
+      (level >= 7 ? kFb7 :
+                    kFb1));
+}
+
+HRESULT CDeflateProps::SetCoderProperties(ICompressSetCoderProperties *setCoderProperties)
+{
+  Normalize();
+
+  NWindows::NCOM::CPropVariant props[] =
+  {
+    Algo,
+    NumPasses,
+    Fb,
+    Mc
+  };
+  PROPID propIDs[] =
+  {
+    NCoderPropID::kAlgorithm,
+    NCoderPropID::kNumPasses,
+    NCoderPropID::kNumFastBytes,
+    NCoderPropID::kMatchFinderCycles
+  };
+  int numProps = sizeof(propIDs) / sizeof(propIDs[0]);
+  if (!McDefined)
+    numProps--;
+  return setCoderProperties->SetCoderProperties(propIDs, props, numProps);
+}
+
+HRESULT CDeflateProps::SetProperties(const wchar_t **names, const PROPVARIANT *values, Int32 numProps)
+{
+  Init();
+  for (int i = 0; i < numProps; i++)
+  {
+    UString name = names[i];
+    name.MakeUpper();
+    if (name.IsEmpty())
+      return E_INVALIDARG;
+    const PROPVARIANT &prop = values[i];
+    if (name[0] == L'X')
+    {
+      UInt32 a = 9;
+      RINOK(ParsePropValue(name.Mid(1), prop, a));
+      Level = a;
+    }
+    else if (name.Left(1) == L"A")
+    {
+      UInt32 a = kAlgo5;
+      RINOK(ParsePropValue(name.Mid(1), prop, a));
+      Algo = a;
+    }
+    else if (name.Left(4) == L"PASS")
+    {
+      UInt32 a = kPasses9;
+      RINOK(ParsePropValue(name.Mid(4), prop, a));
+      NumPasses = a;
+    }
+    else if (name.Left(2) == L"FB")
+    {
+      UInt32 a = kFb9;
+      RINOK(ParsePropValue(name.Mid(2), prop, a));
+      Fb = a;
+    }
+    else if (name.Left(2) == L"MC")
+    {
+      UInt32 a = 0xFFFFFFFF;
+      RINOK(ParsePropValue(name.Mid(2), prop, a));
+      Mc = a;
+      McDefined = true;
+    }
+    else
+      return E_INVALIDARG;
+  }
+  return S_OK;
+}
+
+}