4.44 beta

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

@@ -0,0 +1,181 @@
+// 7zItem.h
+
+#ifndef __7Z_ITEM_H
+#define __7Z_ITEM_H
+
+#include "../../../Common/Buffer.h"
+#include "7zMethodID.h"
+#include "7zHeader.h"
+
+namespace NArchive {
+namespace N7z {
+
+struct CAltCoderInfo
+{
+  CMethodID MethodID;
+  CByteBuffer Properties;
+};
+
+typedef UInt32 CNum;
+const CNum kNumMax     = 0x7FFFFFFF;
+const CNum kNumNoIndex = 0xFFFFFFFF;
+
+struct CCoderInfo
+{
+  CNum NumInStreams;
+  CNum NumOutStreams;
+  CObjectVector<CAltCoderInfo> AltCoders;
+  bool IsSimpleCoder() const { return (NumInStreams == 1) && (NumOutStreams == 1); }
+};
+
+struct CBindPair
+{
+  CNum InIndex;
+  CNum OutIndex;
+};
+
+struct CFolder
+{
+  CObjectVector<CCoderInfo> Coders;
+  CRecordVector<CBindPair> BindPairs;
+  CRecordVector<CNum> PackStreams;
+  CRecordVector<UInt64> UnPackSizes;
+  UInt32 UnPackCRC;
+  bool UnPackCRCDefined;
+
+  CFolder(): UnPackCRCDefined(false) {}
+
+  UInt64 GetUnPackSize() const // test it
+  { 
+    if (UnPackSizes.IsEmpty())
+      return 0;
+    for (int i = UnPackSizes.Size() - 1; i >= 0; i--)
+      if (FindBindPairForOutStream(i) < 0)
+        return UnPackSizes[i];
+    throw 1;
+  }
+
+  CNum GetNumOutStreams() const
+  {
+    CNum result = 0;
+    for (int i = 0; i < Coders.Size(); i++)
+      result += Coders[i].NumOutStreams;
+    return result;
+  }
+
+  int FindBindPairForInStream(CNum inStreamIndex) const
+  {
+    for(int i = 0; i < BindPairs.Size(); i++)
+      if (BindPairs[i].InIndex == inStreamIndex)
+        return i;
+    return -1;
+  }
+  int FindBindPairForOutStream(CNum outStreamIndex) const
+  {
+    for(int i = 0; i < BindPairs.Size(); i++)
+      if (BindPairs[i].OutIndex == outStreamIndex)
+        return i;
+    return -1;
+  }
+  int FindPackStreamArrayIndex(CNum inStreamIndex) const
+  {
+    for(int i = 0; i < PackStreams.Size(); i++)
+      if (PackStreams[i] == inStreamIndex)
+        return i;
+    return -1;
+  }
+};
+
+typedef FILETIME CArchiveFileTime;
+
+class CFileItem
+{
+public:
+  CArchiveFileTime CreationTime;
+  CArchiveFileTime LastWriteTime;
+  CArchiveFileTime LastAccessTime;
+  UInt64 UnPackSize;
+  UInt64 StartPos;
+  UInt32 Attributes;
+  UInt32 FileCRC;
+  UString Name;
+
+  bool HasStream; // Test it !!! it means that there is 
+                  // stream in some folder. It can be empty stream
+  bool IsDirectory;
+  bool IsAnti;
+  bool IsFileCRCDefined;
+  bool AreAttributesDefined;
+  bool IsCreationTimeDefined;
+  bool IsLastWriteTimeDefined;
+  bool IsLastAccessTimeDefined;
+  bool IsStartPosDefined;
+
+  /*
+  const bool HasStream() const { 
+      return !IsDirectory && !IsAnti && UnPackSize != 0; }
+  */
+  CFileItem(): 
+    HasStream(true),
+    IsDirectory(false),
+    IsAnti(false),
+    IsFileCRCDefined(false),
+    AreAttributesDefined(false), 
+    IsCreationTimeDefined(false), 
+    IsLastWriteTimeDefined(false), 
+    IsLastAccessTimeDefined(false),
+    IsStartPosDefined(false)
+      {}
+  void SetAttributes(UInt32 attributes) 
+  { 
+    AreAttributesDefined = true;
+    Attributes = attributes;
+  }
+  void SetCreationTime(const CArchiveFileTime &creationTime) 
+  { 
+    IsCreationTimeDefined = true;
+    CreationTime = creationTime;
+  }
+  void SetLastWriteTime(const CArchiveFileTime &lastWriteTime) 
+  {
+    IsLastWriteTimeDefined = true;
+    LastWriteTime = lastWriteTime;
+  }
+  void SetLastAccessTime(const CArchiveFileTime &lastAccessTime) 
+  { 
+    IsLastAccessTimeDefined = true;
+    LastAccessTime = lastAccessTime;
+  }
+};
+
+struct CArchiveDatabase
+{
+  CRecordVector<UInt64> PackSizes;
+  CRecordVector<bool> PackCRCsDefined;
+  CRecordVector<UInt32> PackCRCs;
+  CObjectVector<CFolder> Folders;
+  CRecordVector<CNum> NumUnPackStreamsVector;
+  CObjectVector<CFileItem> Files;
+  void Clear()
+  {
+    PackSizes.Clear();
+    PackCRCsDefined.Clear();
+    PackCRCs.Clear();
+    Folders.Clear();
+    NumUnPackStreamsVector.Clear();
+    Files.Clear();
+  }
+  bool IsEmpty() const
+  {
+    return (PackSizes.IsEmpty() && 
+      PackCRCsDefined.IsEmpty() && 
+      PackCRCs.IsEmpty() && 
+      Folders.IsEmpty() && 
+      NumUnPackStreamsVector.IsEmpty() && 
+      Files.IsEmpty());
+  }
+};
+
+}}
+
+#endif