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// UpdatePair.cpp
#include "StdAfx.h"
#include <time.h>
#include "../../../Common/Wildcard.h"
#include "../../../Windows/TimeUtils.h"
#include "SortUtils.h"
#include "UpdatePair.h"
using namespace NWindows;
using namespace NTime;
static int MyCompareTime(NFileTimeType::EEnum fileTimeType, const FILETIME &time1, const FILETIME &time2)
{
switch (fileTimeType)
{
case NFileTimeType::kWindows:
return ::CompareFileTime(&time1, &time2);
case NFileTimeType::kUnix:
{
UInt32 unixTime1, unixTime2;
FileTimeToUnixTime(time1, unixTime1);
FileTimeToUnixTime(time2, unixTime2);
return MyCompare(unixTime1, unixTime2);
}
case NFileTimeType::kDOS:
{
UInt32 dosTime1, dosTime2;
FileTimeToDosTime(time1, dosTime1);
FileTimeToDosTime(time2, dosTime2);
return MyCompare(dosTime1, dosTime2);
}
}
throw 4191618;
}
static const char *k_Duplicate_inArc_Message = "Duplicate filename in archive:";
static const char *k_Duplicate_inDir_Message = "Duplicate filename on disk:";
static const char *k_NotCensoredCollision_Message = "Internal file name collision (file on disk, file in archive):";
static void ThrowError(const char *message, const UString &s1, const UString &s2)
{
UString m;
m.SetFromAscii(message);
m += L'\n'; m += s1;
m += L'\n'; m += s2;
throw m;
}
static int CompareArcItemsBase(const CArcItem &ai1, const CArcItem &ai2)
{
int res = CompareFileNames(ai1.Name, ai2.Name);
if (res != 0)
return res;
if (ai1.IsDir != ai2.IsDir)
return ai1.IsDir ? -1 : 1;
return 0;
}
static int CompareArcItems(const unsigned *p1, const unsigned *p2, void *param)
{
unsigned i1 = *p1;
unsigned i2 = *p2;
const CObjectVector<CArcItem> &arcItems = *(const CObjectVector<CArcItem> *)param;
int res = CompareArcItemsBase(arcItems[i1], arcItems[i2]);
if (res != 0)
return res;
return MyCompare(i1, i2);
}
void GetUpdatePairInfoList(
const CDirItems &dirItems,
const CObjectVector<CArcItem> &arcItems,
NFileTimeType::EEnum fileTimeType,
CRecordVector<CUpdatePair> &updatePairs)
{
CUIntVector dirIndices, arcIndices;
unsigned numDirItems = dirItems.Items.Size();
unsigned numArcItems = arcItems.Size();
CIntArr duplicatedArcItem(numArcItems);
{
int *vals = &duplicatedArcItem[0];
for (unsigned i = 0; i < numArcItems; i++)
vals[i] = 0;
}
{
arcIndices.ClearAndSetSize(numArcItems);
{
unsigned *vals = &arcIndices[0];
for (unsigned i = 0; i < numArcItems; i++)
vals[i] = i;
}
arcIndices.Sort(CompareArcItems, (void *)&arcItems);
for (unsigned i = 0; i + 1 < numArcItems; i++)
if (CompareArcItemsBase(
arcItems[arcIndices[i]],
arcItems[arcIndices[i + 1]]) == 0)
{
duplicatedArcItem[i] = 1;
duplicatedArcItem[i + 1] = -1;
}
}
UStringVector dirNames;
{
dirNames.ClearAndReserve(numDirItems);
unsigned i;
for (i = 0; i < numDirItems; i++)
dirNames.AddInReserved(dirItems.GetLogPath(i));
SortFileNames(dirNames, dirIndices);
for (i = 0; i + 1 < numDirItems; i++)
{
const UString &s1 = dirNames[dirIndices[i]];
const UString &s2 = dirNames[dirIndices[i + 1]];
if (CompareFileNames(s1, s2) == 0)
ThrowError(k_Duplicate_inDir_Message, s1, s2);
}
}
unsigned dirIndex = 0;
unsigned arcIndex = 0;
int prevHostFile = -1;
const UString *prevHostName = NULL;
while (dirIndex < numDirItems || arcIndex < numArcItems)
{
CUpdatePair pair;
int dirIndex2 = -1;
int arcIndex2 = -1;
const CDirItem *di = NULL;
const CArcItem *ai = NULL;
int compareResult = -1;
const UString *name = NULL;
if (dirIndex < numDirItems)
{
dirIndex2 = dirIndices[dirIndex];
di = &dirItems.Items[dirIndex2];
}
if (arcIndex < numArcItems)
{
arcIndex2 = arcIndices[arcIndex];
ai = &arcItems[arcIndex2];
compareResult = 1;
if (dirIndex < numDirItems)
{
compareResult = CompareFileNames(dirNames[dirIndex2], ai->Name);
if (compareResult == 0)
{
if (di->IsDir() != ai->IsDir)
compareResult = (ai->IsDir ? 1 : -1);
}
}
}
if (compareResult < 0)
{
name = &dirNames[dirIndex2];
pair.State = NUpdateArchive::NPairState::kOnlyOnDisk;
pair.DirIndex = dirIndex2;
dirIndex++;
}
else if (compareResult > 0)
{
name = &ai->Name;
pair.State = ai->Censored ?
NUpdateArchive::NPairState::kOnlyInArchive:
NUpdateArchive::NPairState::kNotMasked;
pair.ArcIndex = arcIndex2;
arcIndex++;
}
else
{
int dupl = duplicatedArcItem[arcIndex];
if (dupl != 0)
ThrowError(k_Duplicate_inArc_Message, ai->Name, arcItems[arcIndices[arcIndex + dupl]].Name);
name = &dirNames[dirIndex2];
if (!ai->Censored)
ThrowError(k_NotCensoredCollision_Message, *name, ai->Name);
pair.DirIndex = dirIndex2;
pair.ArcIndex = arcIndex2;
switch (ai->MTimeDefined ? MyCompareTime(
ai->TimeType != - 1 ? (NFileTimeType::EEnum)ai->TimeType : fileTimeType,
di->MTime, ai->MTime): 0)
{
case -1: pair.State = NUpdateArchive::NPairState::kNewInArchive; break;
case 1: pair.State = NUpdateArchive::NPairState::kOldInArchive; break;
default:
pair.State = (ai->SizeDefined && di->Size == ai->Size) ?
NUpdateArchive::NPairState::kSameFiles :
NUpdateArchive::NPairState::kUnknowNewerFiles;
}
dirIndex++;
arcIndex++;
}
if ((di && di->IsAltStream) ||
(ai && ai->IsAltStream))
{
if (prevHostName)
{
unsigned hostLen = prevHostName->Len();
if (name->Len() > hostLen)
if ((*name)[hostLen] == ':' && CompareFileNames(*prevHostName, name->Left(hostLen)) == 0)
pair.HostIndex = prevHostFile;
}
}
else
{
prevHostFile = updatePairs.Size();
prevHostName = name;
}
updatePairs.Add(pair);
}
updatePairs.ReserveDown();
}
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