EncodingDataItem.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Globalization / EncodingDataItem.cs / 1 / EncodingDataItem.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
namespace System.Globalization {
    using System.Text; 
    using System.Runtime.Remoting; 
    using System;
 
    //
    // Data item for EncodingTable.  Along with EncodingTable, they are used by
    // System.Text.Encoding.
    // 
    // This class stores a pointer to the internal data and the index into that data
    // where our required information is found.  We load the code page, flags and uiFamilyCodePage 
    // immediately because they don't require creating an object.  Creating any of the string 
    // names is delayed until somebody actually asks for them and the names are then cached.
 
    [Serializable()]
    internal class CodePageDataItem
    {
        internal int    m_dataIndex; 
        internal int    m_codePage;     // UNUSED -- Kept for Everett serialization
        internal int    m_uiFamilyCodePage; 
        internal String m_webName; 
        internal String m_headerName;
        internal String m_bodyName; 
        internal String m_description;  // UNUSED -- Kept for Everett serialization
        internal uint   m_flags;

        unsafe internal CodePageDataItem(int dataIndex) { 
            m_dataIndex = dataIndex;
            m_codePage = 0;     // UNUSED -- Kept for Everett Serialization, but we always serialize a null object 
            m_uiFamilyCodePage = EncodingTable.codePageDataPtr[dataIndex].uiFamilyCodePage; 
            m_webName=null;
            m_headerName=null; 
            m_bodyName=null;
            m_description=null; // UNUSED -- Kept for Everett serialization
            m_flags = EncodingTable.codePageDataPtr[dataIndex].flags;
        } 

        virtual unsafe public String WebName { 
            get { 
                if (m_webName==null) {
                    m_webName = new String(EncodingTable.codePageDataPtr[m_dataIndex].webName); 
                }
                return m_webName;
            }
        } 

        public virtual int UIFamilyCodePage { 
            get { 
                return m_uiFamilyCodePage;
            } 
        }

        virtual unsafe public String HeaderName {
            get { 
                if (m_headerName==null) {
                    m_headerName = new String(EncodingTable.codePageDataPtr[m_dataIndex].headerName); 
                } 
                return m_headerName;
            } 
        }

        virtual unsafe public String BodyName {
            get { 
                if (m_bodyName==null) {
                    m_bodyName = new String(EncodingTable.codePageDataPtr[m_dataIndex].bodyName); 
                } 
                return m_bodyName;
            } 
        }

        virtual unsafe public uint Flags {
            get { 
                return (m_flags);
            } 
        } 
    }
}

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