diff options
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/UI/Common/UpdatePair.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/UI/Common/UpdatePair.cpp | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/UI/Common/UpdatePair.cpp b/other-licenses/7zstub/src/CPP/7zip/UI/Common/UpdatePair.cpp new file mode 100644 index 000000000..5153671a7 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/UI/Common/UpdatePair.cpp @@ -0,0 +1,233 @@ +// 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 * const k_Duplicate_inArc_Message = "Duplicate filename in archive:";
+static const char * const k_Duplicate_inDir_Message = "Duplicate filename on disk:";
+static const char * const 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 (message);
+ m.Add_LF(); m += s1;
+ m.Add_LF(); 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);
+ if (numArcItems != 0)
+ {
+ 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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