Initialer Commit

CPP/7zip/Archive/7z/7zItem.h

@@ -0,0 +1,183 @@
+// 7zItem.h
+
+#ifndef __7Z_ITEM_H
+#define __7Z_ITEM_H
+
+#include "../../../Common/MyBuffer.h"
+#include "../../../Common/MyString.h"
+
+#include "../../Common/MethodId.h"
+
+#include "7zHeader.h"
+
+namespace NArchive {
+namespace N7z {
+
+typedef UInt32 CNum;
+const CNum kNumMax     = 0x7FFFFFFF;
+const CNum kNumNoIndex = 0xFFFFFFFF;
+
+struct CCoderInfo
+{
+  CMethodId MethodID;
+  CByteBuffer Props;
+  UInt32 NumStreams;
+  
+  bool IsSimpleCoder() const { return NumStreams == 1; }
+};
+
+struct CBond
+{
+  UInt32 PackIndex;
+  UInt32 UnpackIndex;
+};
+
+struct CFolder
+{
+  CLASS_NO_COPY(CFolder)
+public:
+  CObjArray2<CCoderInfo> Coders;
+  CObjArray2<CBond> Bonds;
+  CObjArray2<UInt32> PackStreams;
+
+  CFolder() {}
+
+  bool IsDecodingSupported() const { return Coders.Size() <= 32; }
+
+  int Find_in_PackStreams(UInt32 packStream) const
+  {
+    FOR_VECTOR(i, PackStreams)
+      if (PackStreams[i] == packStream)
+        return i;
+    return -1;
+  }
+
+  int FindBond_for_PackStream(UInt32 packStream) const
+  {
+    FOR_VECTOR(i, Bonds)
+      if (Bonds[i].PackIndex == packStream)
+        return i;
+    return -1;
+  }
+  
+  /*
+  int FindBond_for_UnpackStream(UInt32 unpackStream) const
+  {
+    FOR_VECTOR(i, Bonds)
+      if (Bonds[i].UnpackIndex == unpackStream)
+        return i;
+    return -1;
+  }
+
+  int FindOutCoder() const
+  {
+    for (int i = (int)Coders.Size() - 1; i >= 0; i--)
+      if (FindBond_for_UnpackStream(i) < 0)
+        return i;
+    return -1;
+  }
+  */
+
+  bool IsEncrypted() const
+  {
+    FOR_VECTOR(i, Coders)
+      if (Coders[i].MethodID == k_AES)
+        return true;
+    return false;
+  }
+};
+
+struct CUInt32DefVector
+{
+  CBoolVector Defs;
+  CRecordVector<UInt32> Vals;
+
+  void ClearAndSetSize(unsigned newSize)
+  {
+    Defs.ClearAndSetSize(newSize);
+    Vals.ClearAndSetSize(newSize);
+  }
+
+  void Clear()
+  {
+    Defs.Clear();
+    Vals.Clear();
+  }
+
+  void ReserveDown()
+  {
+    Defs.ReserveDown();
+    Vals.ReserveDown();
+  }
+
+  bool ValidAndDefined(unsigned i) const { return i < Defs.Size() && Defs[i]; }
+};
+
+struct CUInt64DefVector
+{
+  CBoolVector Defs;
+  CRecordVector<UInt64> Vals;
+  
+  void Clear()
+  {
+    Defs.Clear();
+    Vals.Clear();
+  }
+  
+  void ReserveDown()
+  {
+    Defs.ReserveDown();
+    Vals.ReserveDown();
+  }
+
+  bool GetItem(unsigned index, UInt64 &value) const
+  {
+    if (index < Defs.Size() && Defs[index])
+    {
+      value = Vals[index];
+      return true;
+    }
+    value = 0;
+    return false;
+  }
+  
+  void SetItem(unsigned index, bool defined, UInt64 value);
+
+  bool CheckSize(unsigned size) const { return Defs.Size() == size || Defs.Size() == 0; }
+};
+
+struct CFileItem
+{
+  UInt64 Size;
+  UInt32 Attrib;
+  UInt32 Crc;
+  /*
+  int Parent;
+  bool IsAltStream;
+  */
+  bool HasStream; // Test it !!! it means that there is
+                  // stream in some folder. It can be empty stream
+  bool IsDir;
+  bool CrcDefined;
+  bool AttribDefined;
+
+  CFileItem():
+    /*
+    Parent(-1),
+    IsAltStream(false),
+    */
+    HasStream(true),
+    IsDir(false),
+    CrcDefined(false),
+    AttribDefined(false)
+      {}
+  void SetAttrib(UInt32 attrib)
+  {
+    AttribDefined = true;
+    Attrib = attrib;
+  }
+};
+
+}}
+
+#endif