BOOL C4UpdatePackage::DoUpdate(C4Group *pGrpFrom, C4GroupEx *pGrpTo,
const char *strFileName) {
// group file?
C4Group ItemGroupFrom;
if (ItemGroupFrom.OpenAsChild(pGrpFrom, strFileName)) {
// try to open target group
C4GroupEx ItemGroupTo;
char strTempGroup[_MAX_PATH + 1];
strTempGroup[0] = 0;
if (!ItemGroupTo.OpenAsChild(pGrpTo, strFileName)) {
// create (emtpy) temp dir
// SCopy(GetCfg()->AtExePath("~tmp"), strTempGroup,
//_MAX_PATH);
MakeTempFilename(strTempGroup);
// open/create it
if (!ItemGroupTo.Open(strTempGroup, TRUE)) return FALSE;
}
// update children
char ItemFileName[_MAX_PATH];
ItemGroupFrom.ResetSearch();
while (ItemGroupFrom.FindNextEntry("*", ItemFileName))
if (!SEqual(ItemFileName, C4CFN_UpdateCore) &&
!SEqual(ItemFileName, C4CFN_UpdateEntries))
DoUpdate(&ItemGroupFrom, &ItemGroupTo, ItemFileName);
// set maker (always)
ItemGroupTo.SetMaker(ItemGroupFrom.GetMaker());
if (GrpUpdate) {
DoGrpUpdate(&ItemGroupFrom, &ItemGroupTo);
// write group (do not change any headers set by DoGrpUpdate!)
ItemGroupTo.Close(FALSE);
// temporary group?
if (strTempGroup[0])
if (!pGrpTo->Move(strTempGroup, strFileName)) return FALSE;
// set core (C4Group::Save overwrites it)
pGrpTo->SaveEntryCore(*pGrpFrom, strFileName);
pGrpTo->SetSavedEntryCore(strFileName);
// flag as no-resort
pGrpTo->SetNoSort(strFileName);
} else {
// write group
ItemGroupTo.Close(TRUE);
// temporary group?
if (strTempGroup[0])
if (!pGrpTo->Move(strTempGroup, strFileName)) return FALSE;
}
} else {
char strMsg[1024];
sprintf(strMsg, "updating %s\\%s\n", pGrpTo->GetFullName().getData(),
strFileName);
#ifdef _MSC_VER
OutputDebugString(strMsg);
#elif _DEBUG
puts(strMsg);
#endif
if (!C4Group_CopyEntry(pGrpFrom, pGrpTo, strFileName)) return FALSE;
// set core
pGrpTo->SaveEntryCore(*pGrpFrom, strFileName);
pGrpTo->SetSavedEntryCore(strFileName);
}
// ok
return TRUE;
}
