sysperfana/heapanalyser/Libraries/Engine/HeapLib/Cells/Descriptors/DescriptorInfo.cs
changeset 8 15296fd0af4a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/Engine/HeapLib/Cells/Descriptors/DescriptorInfo.cs	Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* - Redistributions of source code must retain the above copyright notice,
+*   this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright notice,
+*   this list of conditions and the following disclaimer in the documentation
+*   and/or other materials provided with the distribution.
+* - Neither the name of Nokia Corporation nor the names of its contributors
+*   may be used to endorse or promote products derived from this software
+*   without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+* 
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace HeapLib.Cells.Descriptors
+{
+    public class DescriptorInfo
+    {
+        #region Constructors & destructor
+        internal DescriptorInfo( HeapCell aCell )
+            : this( aCell, false )
+        {
+        }
+
+        internal DescriptorInfo( HeapCell aCell, bool aIsUnicode )
+        {
+            iCell = aCell;
+            iType = DescriptorType( aCell );
+            iIsUnicode = aIsUnicode;
+        }
+        #endregion
+
+        #region API
+        public static HeapCell.TDescriptorType DescriptorType( HeapCell aCell )
+        {
+            HeapCell.TDescriptorType ret = HeapCell.TDescriptorType.EUnknown;
+            //
+            int type = (int) ( aCell.PossibleVTableAddress >> KDescriptorTypeShiftCount );
+            if ( type >= (int) HeapCell.TDescriptorType.EBufC && type < (int) HeapCell.TDescriptorType.EUnknown )
+            {
+                ret = (HeapCell.TDescriptorType) type;
+            }
+            //
+            return ret;
+        }
+        #endregion
+
+        #region Properties
+        public bool IsUnicode
+        {
+            get { return iIsUnicode; }
+            set { iIsUnicode = value; }
+        }
+
+        public string Text
+        {
+            get { return iText; }
+            set { iText = value; }
+        }
+
+        public int Length
+        {
+            get { return iText.Length; }
+        }
+
+        public HeapCell.TDescriptorType Type
+        {
+            get { return iType; }
+            set
+            {
+                iType = value;
+            }
+        }
+        #endregion
+
+        #region Internal constants
+        private const int KDescriptorTypeShiftCount = 28;
+        #endregion
+
+        #region Data members
+        private readonly HeapCell iCell;
+        private bool iIsUnicode = false;
+        private HeapCell.TDescriptorType iType = HeapCell.TDescriptorType.EUnknown;
+        private string iText = string.Empty;
+        #endregion
+    }
+}