/*

* Copyright (c) 2002 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:  command line parse utils

 *

*/

//debug

#include "calendarui_debug.h"

// INCLUDE FILES

#include "calencmdlineparser.h"

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// CCalenCmdLineParser::CCalenCmdLineParser

// Constructor

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

CCalenCmdLineParser::CCalenCmdLineParser()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::NewL

// Static constructor

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

CCalenCmdLineParser* CCalenCmdLineParser::NewL()

    {

    TRACE_ENTRY_POINT;

    CCalenCmdLineParser* self = new( ELeave ) CCalenCmdLineParser();

    TRACE_EXIT_POINT;

    return self;

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::~CCalenCmdLineParser

// Destructor

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

CCalenCmdLineParser::~CCalenCmdLineParser()

    {

    TRACE_ENTRY_POINT;

    iStrings.ResetAndDestroy();

    delete iCommandLine;

    TRACE_EXIT_POINT;

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::AddL

// Add string to the list. In this case it can be descriptor.

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

void CCalenCmdLineParser::AddL( const TDesC& aString )

    {

    TRACE_ENTRY_POINT;

    if( aString.Length() )

        {

        HBufC* b = aString.AllocLC();

        iStrings.AppendL( b );

        CleanupStack::Pop( b );

        }

    TRACE_EXIT_POINT;

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::ItemL

// Return item at specific position

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

TPtr CCalenCmdLineParser::ItemL( TInt aIndex )

    {

    TRACE_ENTRY_POINT;

    if( aIndex >= iStrings.Count() )

        {

        User::Leave( KErrArgument );

        }

    TRACE_EXIT_POINT;

    return iStrings[aIndex]->Des();

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::ParseStringL

// Parse given sting in to substrings which are added to the list

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

void CCalenCmdLineParser::ParseStringL( const TDesC& aString,

                                                        const TDesC& aDelimiter )

    {

    TRACE_ENTRY_POINT;

    // create copy of string to be parsed

    HBufC* copy = aString.AllocLC();

    // clean possible previous items

    iStrings.ResetAndDestroy();

    TInt stop;

    while( ( stop = copy->Des().Find( aDelimiter ) ) != KErrNotFound )

        {

        HBufC* current = HBufC::NewLC( stop );

        current->Des().Copy( copy->Des().Ptr(), stop );

        AddL( current->Des() );

        CleanupStack::PopAndDestroy( current );

        copy->Des().Delete( 0, stop + aDelimiter.Length() );

        }

    AddL( copy->Des() ); // add the last parameter

    CleanupStack::PopAndDestroy( copy );

    if( iStrings.Count() > ECalCmdMaxParamCount )

        {

        User::Leave( KErrArgument );

        }

    TRACE_EXIT_POINT;

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::ParseCommandLineL

// Parse commandline parameters and store in iStrings

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

void CCalenCmdLineParser::ParseCommandLineL( const TDesC& aCommandLine )

    {

    TRACE_ENTRY_POINT;

    iCmdLineParameters.iCommandType = 0;

    iCmdLineParameters.iLocalUid = 0;

    iCmdLineParameters.iFlag = 0;

    iCmdLineParameters.iTime = Time::NullTTime();

    HBufC* buf = aCommandLine.AllocLC();

    TPtrC spc = KSpace();

    ParseStringL( buf->Des(), spc );

    if( iStrings.Count() > ECalCmdMaxParamCount || !iStrings.Count() )

        {

        User::Leave( KErrArgument );

        }

    iCmdLineParameters.iCommandType = DesToCmdParamTypeL( ItemL(ECalCmdLineCmd) );

    User::LeaveIfError( iCmdLineParameters.iCommandType );

    // If we are NOT opening using a Local UID we need to add an extra (empty)

    // string into the array to keep the date parsing indexes correct eg:

    // MONTH        2006    11  15

    // LUID     1   2006    11  15

    if( ( iCmdLineParameters.iCommandType != EStartTypeUid ) && 

        ( iCmdLineParameters.iCommandType != EStartTypeUidViewer )&&

        (iCmdLineParameters.iCommandType != EStartTypeUidAlarmViewer) &&

        (iCmdLineParameters.iCommandType != EStartTypeUidAlarmViewerNoSnooze))

        {

        // Create a string and add to array at position ECalCmdLineUid

        TBufC<ECalCmdLineUid> dummyBuf( KSpace );

        HBufC* dummyString = dummyBuf.AllocLC();

        iStrings.InsertL( dummyString, ECalCmdLineUid );

        CleanupStack::Pop( dummyString );

        }

    else

        {

        // Get the UID

        TLex uid;    

        uid.Assign( ItemL( ECalCmdLineUid ) );

        uid.Val( iCmdLineParameters.iLocalUid, EDecimal );

        }

    if( ( iCmdLineParameters.iCommandType != EStartTypeNewMeetingRequest ) && 

        ( iCmdLineParameters.iCommandType != EStartTypeNewMeeting ) &&

        ( iCmdLineParameters.iCommandType != EStartTypeNewAnniv ) &&

        ( iCmdLineParameters.iCommandType != EStartTypeNewTodo ) )

        {

        // Create a string and add to array at position ECalCmdLineFlag

        TBufC<1> dummyBuf( KSpace );

        HBufC* dummyString = dummyBuf.AllocLC();

        iStrings.InsertL( dummyString, ECalCmdLineFlag );

        CleanupStack::Pop( dummyString );

        }

    else

        {

        // Get the flag. This flag is used whether to exit application on dialog close or not.

        TLex uid;    

        uid.Assign( ItemL( ECalCmdLineFlag ) );

        uid.Val( iCmdLineParameters.iFlag );

        }

    if( ( iCmdLineParameters.iCommandType != EStartTypeUidViewer ) && 

        ( iCmdLineParameters.iCommandType != EStartTypeUidAlarmViewer ) &&

        ( iCmdLineParameters.iCommandType != EStartTypeUidAlarmViewerNoSnooze ) )

        {

        // Create a string and add to array at position ECalCmdLineFlag

        TBufC<1> dummyBuf( KSpace );

        HBufC* dummyString = dummyBuf.AllocLC();

        iStrings.InsertL( dummyString, ECalCmdCalFileName );

        CleanupStack::Pop( dummyString );

        }

    else

        {

        // Get the Calen database name of the calendar entry.        

        iCmdLineParameters.iCalenFileName = ItemL(ECalCmdCalFileName);

        }

    // Get the time if there is one

    if( iStrings.Count() > ECalCmdLineFlag )

        {

        iCmdLineParameters.iTime = TimeFromParamsL();

        }

    else if( iCmdLineParameters.iCommandType == EStartTypeDate )

        {

        // time is needed for EStartTypeDate!

        User::Leave( KErrArgument );

        }

    else

        {

        // Do nothing.

        // final else added to remove lint warning

        }

    CleanupStack::PopAndDestroy( buf );

    TRACE_EXIT_POINT;

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::TimeFromParamsL

// Get time value from parameters

// (other items were commented in a header).

// ---------------------------------------------------------

//

TTime CCalenCmdLineParser::TimeFromParamsL()

    {

    TRACE_ENTRY_POINT;

    TLex lex;

    TInt year, month(1), day(1), hour(0), min(0), sec(0), msec(0);

    TInt argCount = iStrings.Count();

    argCount = argCount - 2;

    switch( argCount )

        {

        // Set as many time properties as we can find.

        case ECalCmdLineMicroSeconds:

            {

            // Add microseconds - unlikely anyone would bother with these though

            lex.Assign( ItemL( ECalCmdLineMicroSeconds ) );

            lex.Val( msec );

            }

            //lint -fallthrough            

        case ECalCmdLineSeconds:

            {

            // Add seconds

            lex.Assign(ItemL( ECalCmdLineSeconds ) );

            lex.Val( sec );

            }

            //lint -fallthrough            

        case ECalCmdLineMinute:

            {

            // Add minutes

            lex.Assign( ItemL( ECalCmdLineMinute ) );

            lex.Val( min );

            }

            //lint -fallthrough            

        case ECalCmdLineHour:

            {

            // Add hours

            lex.Assign( ItemL( ECalCmdLineHour ) );

            lex.Val( hour );

            }

            //lint -fallthrough            

        case ECalCmdLineDay:

            {

            // Add day

            lex.Assign( ItemL(ECalCmdLineDay ) );

            lex.Val( day );

            }

            //lint -fallthrough            

        case ECalCmdLineMonth:

            {

            // Add month

            lex.Assign( ItemL( ECalCmdLineMonth ) );

            lex.Val( month );

            }

            //lint -fallthrough            

        case ECalCmdLineYear:

            {

            // Add year

            lex.Assign( ItemL( ECalCmdLineYear ) );

            lex.Val( year );

            }

            break;

        default:

            // No time component found....

            TRACE_EXIT_POINT;

            return Time::NullTTime();

        }

    // prevent panic during TDateTime construction!

    month = month > 0 && month <= 12 ? month : 1;

    TInt maxDaysInMonth( Time::DaysInMonth( year, TMonth(month-1) ) );

    day  = day > 0 && day <= maxDaysInMonth ? day : 1;

    hour = hour >= 0 && hour <= 23 ? hour : 0;

    min  = min >= 0 && min <= 59 ? min : 0;

    sec  = sec >= 0 && sec <= 59 ? sec : 0;

    msec = msec >= 0 && msec <= 999999 ? msec : 0;

    TDateTime dt( year, TMonth( --month ), --day, hour, min, sec, msec );

    TRACE_EXIT_POINT;

    return TTime( dt );

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::CommandLineParameters

// Return commandline parameters

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

TCalenCmdParameters CCalenCmdLineParser::CommandLineParameters() 

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return iCmdLineParameters;

    }

// ---------------------------------------------------------

// CCalenCmdLineParser::DesToCmdParamTypeL

// Convert descriptor to parameter type

// (other items were commented in a header).

// Status : Draft/Proposal/Approved

// ---------------------------------------------------------

//

TInt CCalenCmdLineParser::DesToCmdParamTypeL( const TDesC& aCmdParamType )

    {

    TRACE_ENTRY_POINT;

    HBufC* temp = aCmdParamType.AllocLC();

    TPtr des = temp->Des();

    des.UpperCase();

    TInt res( 0 );

    if( des.Find( KCommandDefault ) != KErrNotFound )

        {

        res = EStartTypeToday;

        }

    else if( des.Find( KCommandNewMeetingRequest ) != KErrNotFound )

        {

        res = EStartTypeNewMeetingRequest;

        }

    else if( des.Find( KCommandNewMeeting ) != KErrNotFound )

        {

        res = EStartTypeNewMeeting;

        }

    else if( des.Find( KCommandNewAnniv ) != KErrNotFound )

        {

        res = EStartTypeNewAnniv;

        }        

    else if( des.Find( KCommandNewTodo ) != KErrNotFound )

        {

        res = EStartTypeNewTodo;

        }

    else if( des.Find( KCommandViewer ) != KErrNotFound )

        {

        res = EStartTypeUidViewer;

        }        

    else if( des.Find(KCommandAlarmViewer) != KErrNotFound )

        {

        res = EStartTypeUidAlarmViewer;

        }

    else if( des.Find( KCommandUid ) != KErrNotFound )

        {

        res = EStartTypeUid;

        }

    else if( des.Find( KCommandTime ) != KErrNotFound )

        {

        res = EStartTypeDate;

        }

    else if( des.Find( KCommandToDo ) != KErrNotFound )

        {

        res = EStartTypeToDo;

        }

    else if( des.Find( KCommandDay ) != KErrNotFound )

        {

        res = EStartTypeDay;

        }

    else if( des.Find( KCommandWeek ) != KErrNotFound )

        {

        res = EStartTypeWeek;

        }

    else if( des.Find( KCommandMonth ) != KErrNotFound )

        {

        res = EStartTypeMonth;

        }

    else if( des.Find( KCommandDefaultView ) != KErrNotFound )

        {

        res = EStartTypeDefault;

        }

    else

        {

        res = -1;

        }

    CleanupStack::PopAndDestroy( temp );

    TRACE_EXIT_POINT;

    return res;

    }

// End of File