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      1 // UpdateProduce.cpp
      2 
      3 #include "StdAfx.h"
      4 
      5 #include "UpdateProduce.h"
      6 
      7 using namespace NUpdateArchive;
      8 
      9 static const char *kUpdateActionSetCollision = "Internal collision in update action set";
     10 
     11 void UpdateProduce(
     12     const CRecordVector<CUpdatePair> &updatePairs,
     13     const CActionSet &actionSet,
     14     CRecordVector<CUpdatePair2> &operationChain,
     15     IUpdateProduceCallback *callback)
     16 {
     17   FOR_VECTOR (i, updatePairs)
     18   {
     19     const CUpdatePair &pair = updatePairs[i];
     20 
     21     CUpdatePair2 up2;
     22     up2.DirIndex = pair.DirIndex;
     23     up2.ArcIndex = pair.ArcIndex;
     24     up2.NewData = up2.NewProps = true;
     25     up2.UseArcProps = false;
     26 
     27     switch (actionSet.StateActions[pair.State])
     28     {
     29       case NPairAction::kIgnore:
     30         /*
     31         if (pair.State != NPairState::kOnlyOnDisk)
     32           IgnoreArchiveItem(m_ArchiveItems[pair.ArcIndex]);
     33         // cout << "deleting";
     34         */
     35         if (callback)
     36           callback->ShowDeleteFile(pair.ArcIndex);
     37         continue;
     38 
     39       case NPairAction::kCopy:
     40         if (pair.State == NPairState::kOnlyOnDisk)
     41           throw kUpdateActionSetCollision;
     42         if (pair.State == NPairState::kOnlyInArchive)
     43         {
     44           if (pair.HostIndex >= 0)
     45           {
     46             /*
     47               ignore alt stream if
     48                 1) no such alt stream in Disk
     49                 2) there is Host file in disk
     50             */
     51             if (updatePairs[pair.HostIndex].DirIndex >= 0)
     52               continue;
     53           }
     54         }
     55         up2.NewData = up2.NewProps = false;
     56         up2.UseArcProps = true;
     57         break;
     58 
     59       case NPairAction::kCompress:
     60         if (pair.State == NPairState::kOnlyInArchive ||
     61             pair.State == NPairState::kNotMasked)
     62           throw kUpdateActionSetCollision;
     63         break;
     64 
     65       case NPairAction::kCompressAsAnti:
     66         up2.IsAnti = true;
     67         up2.UseArcProps = (pair.ArcIndex >= 0);
     68         break;
     69     }
     70     operationChain.Add(up2);
     71   }
     72   operationChain.ReserveDown();
     73 }
     74