--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/email/pop3andsmtpmtm/imapservermtm/src/FLDINDEX.CPP Mon May 03 12:29:07 2010 +0300
@@ -0,0 +1,163 @@
+// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// IMAP Folder indexing
+//
+//
+
+#include "fldindex.h"
+#include "impspan.h"
+
+// Illegal UID we use for marker
+const TUint KIllegalUID = 0xffffffff;
+
+CImImap4IndexEntry::CImImap4IndexEntry()
+ {
+ // Default values
+ iUid=0;
+ iMsvId=-1;
+ }
+
+CImImap4IndexEntry::CImImap4IndexEntry(CImImap4IndexEntry& aFrom)
+ {
+ // Copy entry
+ iUid=aFrom.iUid;
+ iMsvId=aFrom.iMsvId;
+ }
+
+CImImap4IndexEntry& CImImap4IndexEntry::operator=(CImImap4IndexEntry& aFrom)
+ {
+ // Copy entry
+ iUid=aFrom.iUid;
+ iMsvId=aFrom.iMsvId;
+ return(*this);
+ }
+
+CImImap4FolderIndex::CImImap4FolderIndex()
+ {
+ __DECLARE_NAME(_S("CImImap4FolderIndex"));
+ }
+
+CImImap4FolderIndex::~CImImap4FolderIndex()
+ {
+ // Dispose of index
+ delete iIndex;
+ }
+
+void CImImap4FolderIndex::Reset()
+ {
+ // Dispose of index
+ delete iIndex;
+ iIndex=NULL;
+ iSize=0;
+ }
+
+void CImImap4FolderIndex::SetSizeL(const TUint aEntries)
+ {
+ // Set number of entries
+ if (!iIndex)
+ {
+ // Create new array (granularity 8 entries)
+ iIndex=new (ELeave) CArrayFixFlat<CImImap4IndexEntry>(8);
+ }
+
+ // Alter size, filling unused entries with 0xffffffff
+ CImImap4IndexEntry blank;
+ blank.iUid=KIllegalUID;
+ blank.iMsvId=0;
+ iIndex->ResizeL(aEntries,blank);
+
+ // Save new size
+ iSize=aEntries;
+ }
+
+TInt CImImap4FolderIndex::Size()
+ {
+ // Return current size
+ return(iSize);
+ }
+
+void CImImap4FolderIndex::SetUid(const TUint aMsgNr, const TUint aMsgUid)
+ {
+ __ASSERT_ALWAYS(aMsgNr<=TUint(iSize),gPanic(EMsgnrOutOfRange));
+
+ // Is UID already set?
+ if ((*iIndex)[aMsgNr-1].iUid!=KIllegalUID && (*iIndex)[aMsgNr-1].iUid!=aMsgUid)
+ {
+ // CHANGING a UID? No way!
+ gPanic(ECantChangeUID);
+ }
+
+ // Set a UID for a message number
+ (*iIndex)[aMsgNr-1].iUid=aMsgUid;
+ }
+
+void CImImap4FolderIndex::SetMsvId(const TUint aMsgNr, const TMsvId aMsvId)
+ {
+ __ASSERT_ALWAYS(aMsgNr<=TUint(iSize),gPanic(EMsgnrOutOfRange));
+
+ // Is MsvId already set?
+ if ((*iIndex)[aMsgNr-1].iMsvId!=0 && (*iIndex)[aMsgNr-1].iMsvId!=aMsvId)
+ {
+ // CHANGING a MsvId? No way!
+ gPanic(ECantChangeMsvId);
+ }
+
+ // Set a MsvId for a message number
+ (*iIndex)[aMsgNr-1].iMsvId=aMsvId;
+ }
+
+void CImImap4FolderIndex::Expunge(const TUint aMsgNr)
+ {
+ __ASSERT_ALWAYS(aMsgNr<=TUint(iSize),gPanic(EMsgnrOutOfRange));
+
+ // Remove entry from index
+ iIndex->Delete(aMsgNr-1);
+ iSize--;
+ }
+
+TUint CImImap4FolderIndex::FindMsg(const TUint aMsgUid)
+ {
+ __ASSERT_ALWAYS(iSize>0,gPanic(EIndexEmpty));
+
+ // Replace this with a binary search...
+ TInt i=0;
+ do
+ {
+ // UID match?
+ if ((*iIndex)[i].iUid==aMsgUid)
+ return(i+1);
+
+ i++;
+ }
+ while(i<iSize);
+
+ // Failure (0 not a legal message number)
+ return(0);
+ }
+
+// Access entry directly
+CImImap4IndexEntry& CImImap4FolderIndex::operator[] (const TInt aIndex)
+ {
+ return((*iIndex)[aIndex]);
+ }
+
+// Sort index by UID
+void CImImap4FolderIndex::Sort()
+ {
+ // Sorting object
+ TKeyArrayFix uidKey(_FOFF(CImImap4IndexEntry,iUid),ECmpTUint32);
+
+ // Perform the sort
+ iIndex->Sort(uidKey);
+ }