BaseTreeIterator.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / NewXml / BaseTreeIterator.cs / 1305376 / BaseTreeIterator.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
namespace System.Xml { 

    // Iterates over non-attribute nodes 
    internal abstract class BaseTreeIterator {
        protected DataSetMapper   mapper;

        internal BaseTreeIterator( DataSetMapper mapper ) { 
            this.mapper      = mapper;
        } 
 
        internal abstract void Reset();
 
        internal abstract XmlNode CurrentNode { get; }

        internal abstract bool Next();
        internal abstract bool NextRight(); 

        internal bool NextRowElement() { 
            while ( Next() ) { 
                if ( OnRowElement() )
                    return true; 
            }
            return false;
        }
 
        internal bool NextRightRowElement() {
            if ( NextRight() ) { 
                if ( OnRowElement() ) 
                    return true;
                return NextRowElement(); 
            }
            return false;
        }
 
        // Returns true if the current node is on a row element (head of a region)
        internal bool OnRowElement() { 
            XmlBoundElement be = CurrentNode as XmlBoundElement; 
            return (be != null) && (be.Row != null);
        } 
    }
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
namespace System.Xml { 

    // Iterates over non-attribute nodes 
    internal abstract class BaseTreeIterator {
        protected DataSetMapper   mapper;

        internal BaseTreeIterator( DataSetMapper mapper ) { 
            this.mapper      = mapper;
        } 
 
        internal abstract void Reset();
 
        internal abstract XmlNode CurrentNode { get; }

        internal abstract bool Next();
        internal abstract bool NextRight(); 

        internal bool NextRowElement() { 
            while ( Next() ) { 
                if ( OnRowElement() )
                    return true; 
            }
            return false;
        }
 
        internal bool NextRightRowElement() {
            if ( NextRight() ) { 
                if ( OnRowElement() ) 
                    return true;
                return NextRowElement(); 
            }
            return false;
        }
 
        // Returns true if the current node is on a row element (head of a region)
        internal bool OnRowElement() { 
            XmlBoundElement be = CurrentNode as XmlBoundElement; 
            return (be != null) && (be.Row != null);
        } 
    }
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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