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// UpdateProduce.cpp
#include "StdAfx.h"
#include "UpdateProduce.h"
using namespace NUpdateArchive;
static const char * const kUpdateActionSetCollision = "Internal collision in update action set";
void UpdateProduce(
const CRecordVector<CUpdatePair> &updatePairs,
const CActionSet &actionSet,
CRecordVector<CUpdatePair2> &operationChain,
IUpdateProduceCallback *callback)
{
FOR_VECTOR (i, updatePairs)
{
const CUpdatePair &pair = updatePairs[i];
CUpdatePair2 up2;
up2.DirIndex = pair.DirIndex;
up2.ArcIndex = pair.ArcIndex;
up2.NewData = up2.NewProps = true;
up2.UseArcProps = false;
switch (actionSet.StateActions[(unsigned)pair.State])
{
case NPairAction::kIgnore:
if (pair.ArcIndex >= 0 && callback)
callback->ShowDeleteFile(pair.ArcIndex);
continue;
case NPairAction::kCopy:
if (pair.State == NPairState::kOnlyOnDisk)
throw kUpdateActionSetCollision;
if (pair.State == NPairState::kOnlyInArchive)
{
if (pair.HostIndex >= 0)
{
/*
ignore alt stream if
1) no such alt stream in Disk
2) there is Host file in disk
*/
if (updatePairs[pair.HostIndex].DirIndex >= 0)
continue;
}
}
up2.NewData = up2.NewProps = false;
up2.UseArcProps = true;
break;
case NPairAction::kCompress:
if (pair.State == NPairState::kOnlyInArchive ||
pair.State == NPairState::kNotMasked)
throw kUpdateActionSetCollision;
break;
case NPairAction::kCompressAsAnti:
up2.IsAnti = true;
up2.UseArcProps = (pair.ArcIndex >= 0);
break;
}
operationChain.Add(up2);
}
operationChain.ReserveDown();
}