--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/menucontentsrv/engsrc/menuengflags.cpp Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,177 @@
+/*
+* Copyright (c) 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:
+*
+*/
+
+// INCLUDE FILES
+
+#include "menuengflags.h"
+#include "mcsmenuitem.h"
+
+// CLASS DECLARATION
+
+NONSHARABLE_STRUCT( TMenuFlagEntry )
+ {
+ TUint32 iFlag; // Flag bit value (one bit only).
+ const TText* iString; // Flag string name.
+ };
+
+// CONSTANTS
+
+/// Flag name table. Concatenated names (with spaces between) should fit into
+// KMenuMaxAttrValueLen!
+LOCAL_D const TMenuFlagEntry KTable[] =
+ {
+ { TMenuItem::ELockDelete, _S("lock_delete") },
+ { TMenuItem::ELockName, _S("lock_name") },
+ { TMenuItem::ELockIcon, _S("lock_icon") },
+ { TMenuItem::ELockMoveInto, _S("lock_moveinto") },
+ { TMenuItem::ELockItem, _S("lock_item") },
+ { TMenuItem::EHidden, _S("hidden") },
+ { TMenuItem::EMissing, _S("missing") },
+ { 0 }
+ };
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// MenuEngFlags::AsInt
+// ---------------------------------------------------------
+//
+TUint32 MenuEngFlags::AsInt( const TDesC& aStringValue )
+ {
+ TUint32 flags = 0;
+ TLex lex( aStringValue );
+ TPtrC token( lex.NextToken() );
+ while ( token.Length() )
+ {
+ flags |= FlagValue( token );
+ token.Set( lex.NextToken() );
+ }
+ return flags;
+ }
+
+// ---------------------------------------------------------
+// MenuEngFlags::AsString
+// ---------------------------------------------------------
+//
+void MenuEngFlags::AsString( TUint32 aIntValue, TDes& aStringValue )
+ {
+ // Note, we assume that the result fits in aStringValue.
+ // It is expected to be of length KMenuMaxAttrValueLen.
+ // If new flags are added, we should check that their concatenated
+ // names (with spaces between) still fit in one attribute. If not,
+ // then we should use more than one "flags" attribute; but this is
+ // easy to avoid if flag names are kept short. (32 flags should normally
+ // fit in 512 characters!)
+ __ASSERT_DEBUG( aStringValue.MaxLength() >= KMenuMaxAttrValueLen, \
+ User::Invariant() );
+ aStringValue.SetLength( 0 );
+ TUint32 mask;
+ TPtrC ptr;
+ TBool leadingSpace = EFalse;
+ for ( mask = 0x1; mask; mask = mask << 1 )
+ {
+ ptr.Set( StringValue( mask & aIntValue ) );
+ if ( ptr.Length() )
+ {
+ if ( leadingSpace )
+ {
+ aStringValue.Append( TChar(' ') );
+ }
+ aStringValue.Append( ptr );
+ leadingSpace = ETrue; // Need a leading space from the 2nd onwards.
+ }
+ }
+ }
+
+// ---------------------------------------------------------
+// MenuEngFlags::FlagValue
+// ---------------------------------------------------------
+//
+TUint32 MenuEngFlags::FlagValue( const TDesC& aString )
+ {
+ // Note: This could be optimized
+ const TMenuFlagEntry* entry;
+ for ( entry = &KTable[0]; entry->iFlag; entry++ )
+ {
+ if ( aString == TPtrC( entry->iString ) )
+ {
+ return entry->iFlag;
+ }
+ }
+ return 0;
+ }
+
+// ---------------------------------------------------------
+// MenuEngFlags::StringValue
+// ---------------------------------------------------------
+//
+TPtrC MenuEngFlags::StringValue( TUint32 aFlag )
+ {
+ // It is expected that aFlag has exactly one bit set -> first
+ // match is accepted.
+ const TMenuFlagEntry* entry;
+ for ( entry = &KTable[0]; entry->iFlag; entry++ )
+ {
+ if ( aFlag & entry->iFlag )
+ {
+ return TPtrC( entry->iString );
+ }
+ }
+ return KNullDesC();
+ }
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// MenuEngId::AsInt
+// ---------------------------------------------------------
+//
+TInt MenuEngId::AsInt( const TDesC& aStringValue )
+ {
+ TInt position( aStringValue.Find(KHexPrefix) );
+ TPtrC string( aStringValue );
+ TRadix radix( EDecimal );
+ if ( position == 0 )
+ {
+ // is hex
+ radix = EHex;
+ string.Set( aStringValue.Mid( KHexPrefix().Length() ) );
+ }
+
+ TUint id = 0;
+ if ( KErrNone != TLex( string ).Val( id, radix ) )
+ {
+ return 0;
+ }
+ return id;
+ }
+
+// ---------------------------------------------------------
+// MenuEngId::AsString
+// ---------------------------------------------------------
+//
+void MenuEngId::AsString( TInt aIntValue, TDes& aStringValue )
+ {
+ // Note, we assume that the result fits in aStringValue.
+ // It is expected to be of length KMenuMaxAttrValueLen.
+ __ASSERT_DEBUG( aStringValue.MaxLength() >= KMenuMaxAttrValueLen, \
+ User::Invariant() );
+ aStringValue.SetLength( 0 );
+ aStringValue.AppendNum( aIntValue );
+ }
+
+// End of File