QilNode.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / QIL / QilNode.cs / 1305376 / QilNode.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
using System; 
using System.Collections; 
using System.Collections.Generic;
using System.Diagnostics; 
using System.Globalization;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Xsl; 

namespace System.Xml.Xsl.Qil { 
 
    /// 
    /// A node in the QIL tree. 
    /// 
    /// 
    /// Don't construct QIL nodes directly; instead, use the QilFactory.
    /// This base internal class is not abstract and may be instantiated in some cases (for example, true/false boolean literals). 
    /// 
    internal class QilNode : IList { 
        protected QilNodeType nodeType; 
        protected XmlQueryType xmlType;
        protected ISourceLineInfo sourceLine; 
        protected object annotation;

        //-----------------------------------------------
        // Constructor 
        //-----------------------------------------------
 
        ///  
        /// Construct a new node
        ///  
        public QilNode(QilNodeType nodeType) {
            this.nodeType = nodeType;
        }
 
        /// 
        /// Construct a new node 
        ///  
        public QilNode(QilNodeType nodeType, XmlQueryType xmlType) {
            this.nodeType = nodeType; 
            this.xmlType = xmlType;
        }

 
        //-----------------------------------------------
        // QilNode methods 
        //----------------------------------------------- 

        ///  
        /// Access the QIL node type.
        /// 
        public QilNodeType NodeType {
            get { return this.nodeType; } 
            set { this.nodeType = value; }
        } 
 
        /// 
        /// Access the QIL type. 
        /// 
        public virtual XmlQueryType XmlType {
            get { return this.xmlType; }
            set { this.xmlType = value; } 
        }
 
        ///  
        /// Line info information for tools support.
        ///  
        public ISourceLineInfo SourceLine {
            get { return this.sourceLine; }
            set { this.sourceLine = value; }
        } 

        ///  
        /// Access an annotation which may have been attached to this node. 
        /// 
        public object Annotation { 
            get { return this.annotation; }
            set { this.annotation = value; }
        }
 
        /// 
        /// Create a new deep copy of this node. 
        ///  
        public virtual QilNode DeepClone(QilFactory f) {
            return new QilCloneVisitor(f).Clone(this); 
        }

        /// 
        /// Create a shallow copy of this node, copying all the fields. 
        /// 
        public virtual QilNode ShallowClone(QilFactory f) { 
            QilNode n = (QilNode) MemberwiseClone(); 
            f.TraceNode(n);
            return n; 
        }


        //----------------------------------------------- 
        // IList methods -- override
        //----------------------------------------------- 
 
        public virtual int Count {
            get { return 0; } 
        }

        public virtual QilNode this[int index] {
            get { throw new IndexOutOfRangeException(); } 
            set { throw new IndexOutOfRangeException(); }
        } 
 
        public virtual void Insert(int index, QilNode node) {
            throw new NotSupportedException(); 
        }

        public virtual void RemoveAt(int index) {
            throw new NotSupportedException(); 
        }
 
 
        //-----------------------------------------------
        // IList methods -- no need to override 
        //-----------------------------------------------

        public IEnumerator GetEnumerator() {
            return new IListEnumerator(this); 
        }
 
        IEnumerator IEnumerable.GetEnumerator() { 
            return new IListEnumerator(this);
        } 

        public virtual bool IsReadOnly {
            get { return false; }
        } 

        public virtual void Add(QilNode node) { 
            Insert(Count, node); 
        }
 
        public virtual void Add(IList list) {
            for (int i = 0; i < list.Count; i++)
                Insert(Count, list[i]);
        } 

        public virtual void Clear() { 
            for (int index = Count - 1; index >= 0; index--) 
                RemoveAt(index);
        } 

        public virtual bool Contains(QilNode node) {
            return IndexOf(node) != -1;
        } 

        public virtual void CopyTo(QilNode[] array, int index) { 
            for (int i = 0; i < Count; i++) 
                array[index + i] = this[i];
        } 

        public virtual bool Remove(QilNode node) {
            int index = IndexOf(node);
            if (index >= 0) { 
                RemoveAt(index);
                return true; 
            } 
            return false;
        } 

        public virtual int IndexOf(QilNode node) {
            for (int i = 0; i < Count; i++)
                if (node.Equals(this[i])) 
                    return i;
 
            return -1; 
        }
 

        //-----------------------------------------------
        // Debug
        //----------------------------------------------- 

#if QIL_TRACE_NODE_CREATION 
        private int nodeId; 
        private string nodeLoc;
 
        public int NodeId {
            get { return nodeId; }
            set { nodeId = value; }
        } 

        public string NodeLocation { 
            get { return nodeLoc; } 
            set { nodeLoc = value; }
        } 
#endif
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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QilNode.cs source code in C# .NET

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