predictivesearch/PcsUtils/src/CWords.cpp
changeset 0 e686773b3f54
child 21 b3431bff8c19
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/predictivesearch/PcsUtils/src/CWords.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,85 @@
+/*
+* Copyright (c) 2007 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:  Utility class to hold data for predictive search.
+*                Used to marshal data between the client, server and data 
+*                plugins.
+*
+*/
+
+// INCLUDE FILES
+#include "CWords.h"
+
+
+// CWords
+inline CWords::CWords()
+    {
+    }
+
+EXPORT_C CWords* CWords::NewLC
+        (const TDesC& aText)
+    {
+    CWords* self = new(ELeave) CWords();
+    CleanupStack::PushL(self);
+    self->ConstructL(aText);
+    return self;
+    }
+
+EXPORT_C CWords::~CWords()
+    {
+    iWords.Close();
+    }
+
+EXPORT_C TInt CWords::MdcaCount() const
+    {
+    return iWords.Count();
+    }
+
+EXPORT_C TPtrC16 CWords::MdcaPoint(TInt aIndex) const
+    {
+    return iWords[aIndex];
+    }
+
+void CWords::ConstructL(const TDesC& aText)
+    {
+    const TInt textLength = aText.Length();
+    for (TInt beg=0; beg < textLength; ++beg)
+        {
+        // Skip separators before next word
+        if (!DefaultIsWordSeparator(aText[beg]))
+            {
+            // Scan the end of the word
+            TInt end = beg;
+            for (; end < textLength && !DefaultIsWordSeparator(aText[end]); ++end)
+                {
+                }
+            const TInt len = end-beg;
+            // Append found word to the array
+            User::LeaveIfError(iWords.Append(aText.Mid(beg,len)));
+            // Scan for next word
+            beg = end;
+            }
+        }
+
+    if (iWords.Count()==0 && textLength > 0)
+        {
+        // aText is all word separator characters -> make a "word" out of those
+        User::LeaveIfError(iWords.Append(aText));
+        }
+    }
+
+TBool CWords::DefaultIsWordSeparator(TChar aChar)
+    {
+    return (aChar.IsSpace());
+    }
+