diff -r bd7edf625bdd -r 97232defd20e calendarui/regionalplugins/KoreanLunar/src/CalenSolarTerms.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/calendarui/regionalplugins/KoreanLunar/src/CalenSolarTerms.cpp	Tue Sep 14 21:17:03 2010 +0300
@@ -0,0 +1,197 @@
+/*
+* Copyright (c) 2002-2004 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 : Class looking after alarm fields for forms.
+*
+*/
+
+//debug
+#include "calendarui_debug.h"
+
+//user includes
+#include "CalenSolarTerms.h"
+#include "CalenLunarPaths.h"
+
+//system includes
+#include <f32file.h>
+#include <s32file.h>
+
+
+// CONSTANTS
+_LIT( KSolarTermsFile, "KoreanSolarItems" );
+const TInt KFirstSolarTermYear( 1900 );
+const TInt KLastSolarTermYear( 2100 );
+
+
+// ======== MEMBER FUNCTIONS ========
+
+
+// ---------------------------------------------------------------------------
+// CCalenSolarTerms::NewL()
+// ---------------------------------------------------------------------------
+//
+CCalenSolarTerms* CCalenSolarTerms::NewL( RFs& aFs )
+    {
+    TRACE_ENTRY_POINT;
+    
+    CCalenSolarTerms* self = new (ELeave) CCalenSolarTerms(aFs);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    
+    TRACE_EXIT_POINT;
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CCalenSolarTerms::~CCalenSolarTerms()
+// ---------------------------------------------------------------------------
+//
+CCalenSolarTerms::~CCalenSolarTerms()
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    }
+
+// ---------------------------------------------------------------------------
+// CCalenSolarTerms::CheckSolarTermDateL()
+// ---------------------------------------------------------------------------
+//
+TInt CCalenSolarTerms::CheckSolarTermDateL( const TDateTime& aDate )
+    {
+    TRACE_ENTRY_POINT;
+    
+    ReadSolarTermsL( aDate );
+    if ( HasSolarTermDataAvailable( aDate ) )
+        {
+        // Solar festival data is available for this date 
+        for ( TInt i( 0 ); i < KSolarTermCount; i++ )
+            {
+            TDateTime date = iSolarTermDates[i];
+            if ( aDate.Month() == date.Month() && aDate.Day() == date.Day() )
+                {
+                // First item in iSolarTermNames is LiChun ("Spring begins")
+                // occuring around 4.2 in western year. 
+                // It is first solar term in Chinese Lunar year, but it's 
+                // third term in western year.
+                // 
+                // iSolarTermDates list terms from beginning of western year,
+                // that's why we subtract 2 and take modulo 24 here, to convert
+                // order from 
+                // Xiao Han (~ 6.1.), Da Han (~22.1), Li Chun (~4.2)...
+                // to 
+                // Li Chun (~4.2.), ..., ..., Da Han (~22.1)
+                i += KSolarTermCount - 2;
+                TInt foundIndex = i % KSolarTermCount;
+                
+                TRACE_EXIT_POINT;
+                return foundIndex;
+                }
+            }
+        TRACE_EXIT_POINT;
+        return KErrNotFound;
+        }
+    else
+        {
+        // Solar festival data is NOT available for this date 
+        TRACE_EXIT_POINT;
+        return KErrNotSupported;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CCalenSolarTerms::CCalenSolarTerms()
+// ---------------------------------------------------------------------------
+//
+CCalenSolarTerms::CCalenSolarTerms( RFs& aFs ) : iFs( aFs )
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    }
+
+// ---------------------------------------------------------------------------
+// CCalenSolarTerms::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CCalenSolarTerms::ConstructL()
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    }
+
+// ---------------------------------------------------------------------------
+// CCalenSolarTerms::HasSolarTermDataAvailable()
+// ---------------------------------------------------------------------------
+//
+TBool CCalenSolarTerms::HasSolarTermDataAvailable( const TDateTime& aDate ) const
+    {
+    TRACE_ENTRY_POINT;
+    
+    // Note: day parameter for TDateTime starts from 0, not from 1
+    const TDateTime KMinAvailable( KFirstSolarTermYear, EJanuary, 0, 0, 0, 0, 0 );
+    const TDateTime KMaxAvailable( KLastSolarTermYear, EDecember, 31 - 1, 23, 59, 59, 0 );
+    
+    TRACE_EXIT_POINT;
+    return TTime( KMinAvailable ) <= TTime( aDate ) &&
+           TTime( aDate ) <= TTime( KMaxAvailable );
+    }
+
+// ---------------------------------------------------------
+// CCalenSolarTerms::ReadSolarTermsL()
+// Reads and caches 24 solar term dates for one year
+// from "SolarItems" file
+// ---------------------------------------------------------
+//
+void CCalenSolarTerms::ReadSolarTermsL( TDateTime aDate )
+    {
+    TRACE_ENTRY_POINT;
+    
+    // Caches one year of solar items
+    if ( ! HasSolarTermDataAvailable( aDate ) )
+        {
+        return;
+        }
+
+    TInt year = aDate.Year();
+
+    if ( iCachedYear != year )
+        {
+        RFile file;
+        RFs& fs = iFs;
+        TFindFile ffile( fs );
+        User::LeaveIfError( ffile.FindByDir( KSolarTermsFile, KSolarTermsPath ) );
+        User::LeaveIfError( file.Open( fs, ffile.File(), EFileRead ) );
+        CleanupClosePushL( file );
+
+        TInt seekPos = 
+            ( year - KFirstSolarTermYear ) * sizeof( TUint8 ) * KSolarTermCount;
+
+        RFileReadStream readStream( file, seekPos );
+        readStream.PushL();
+
+         for ( TInt i( 0 ); i < KSolarTermCount; i++ )
+             {
+             TMonth month = static_cast<TMonth>( EJanuary + (i / 2) );
+             TInt day = readStream.ReadUint8L();
+             TDateTime dt( year, month, day-1, 0, 0, 0, 0 );
+             iSolarTermDates[i] = dt;
+             }
+
+        CleanupStack::PopAndDestroy( 2 ); // readStream, file
+        iCachedYear = year;
+        }
+    
+    TRACE_EXIT_POINT;
+    }
+
+// End of file