BuiltInExpr.cs source code in C# .NET

                        Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Common / EntitySql / BuiltInExpr.cs / 2 / BuiltInExpr.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....]
// @backup [....] 
//--------------------------------------------------------------------- 

 
namespace System.Data.Common.EntitySql
{
    using System;
    using System.Globalization; 
    using System.Collections;
    using System.Collections.Generic; 
 
    /// 
    /// defines the function class of builtin expressions. 
    /// 
    internal enum BuiltInKind
    {
        And, 
        Or,
        Not, 
 
        Cast,
        OfType, 
        Treat,
        IsOf,

        Union, 
        UnionAll,
        Intersect, 
        Overlaps, 
        AnyElement,
        Element, 
        Except,
        Exists,
        Flatten,
        In, 
        NotIn,
        Distinct, 
 
        IsNull,
        IsNotNull, 

        Like,

        Equal, 
        NotEqual,
        LessEqual, 
        LessThan, 
        GreaterThan,
        GreaterEqual, 

        Plus,
        Minus,
        Multiply, 
        Divide,
        Modulus, 
        UnaryMinus, 
        UnaryPlus,
 
        Between,
        NotBetween
    }
 

    ///  
    /// Represents a builtin ast expression node 
    /// 
    internal sealed class BuiltInExpr : Expr 
    {
        private BuiltInKind _kind;
        private string _name;
        private ExprList _argList = new ExprList(); 

        private BuiltInExpr( BuiltInKind kind, string name ) 
        { 
            _kind = kind;
            _name = name.ToUpperInvariant(); 
        }


        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1 ) 
            : this(kind, name)
        { 
            _argList.Add(arg1); 
        }
 

        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1, Expr arg2 )
            : this(kind, name, arg1)
        { 
            _argList.Add(arg2);
        } 
 

        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1, Expr arg2, Expr arg3 ) 
            : this(kind, name, arg1, arg2)
        {
            _argList.Add(arg3);
        } 

 
        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1, Expr arg2, Expr arg3, Expr arg4 ) 
            : this(kind, name, arg1, arg2, arg3)
        { 
            _argList.Add(arg4);
        }

 
        internal BuiltInKind Kind
        { 
            get { return _kind; } 
            set { _kind = value; }
        } 


        internal string Name
        { 
            get { return _name; }
        } 
 

        internal ExprList ArgList 
        {
            get { return _argList; }
        }
 

        internal Expr Arg1 
        { 
            get
            { 
                if (_argList.Count < 1)
                {
                    return null;
                } 

                return _argList[0]; 
            } 
        }
 
        internal Expr Arg2
        {
            get
            { 
                if (_argList.Count < 2)
                    return null; 
 
                return _argList[1];
            } 
        }

        internal int ArgCount
        { 
            get { return ArgList.Count; }
        } 
 
    }
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....]
// @backup [....] 
//--------------------------------------------------------------------- 

 
namespace System.Data.Common.EntitySql
{
    using System;
    using System.Globalization; 
    using System.Collections;
    using System.Collections.Generic; 
 
    /// 
    /// defines the function class of builtin expressions. 
    /// 
    internal enum BuiltInKind
    {
        And, 
        Or,
        Not, 
 
        Cast,
        OfType, 
        Treat,
        IsOf,

        Union, 
        UnionAll,
        Intersect, 
        Overlaps, 
        AnyElement,
        Element, 
        Except,
        Exists,
        Flatten,
        In, 
        NotIn,
        Distinct, 
 
        IsNull,
        IsNotNull, 

        Like,

        Equal, 
        NotEqual,
        LessEqual, 
        LessThan, 
        GreaterThan,
        GreaterEqual, 

        Plus,
        Minus,
        Multiply, 
        Divide,
        Modulus, 
        UnaryMinus, 
        UnaryPlus,
 
        Between,
        NotBetween
    }
 

    ///  
    /// Represents a builtin ast expression node 
    /// 
    internal sealed class BuiltInExpr : Expr 
    {
        private BuiltInKind _kind;
        private string _name;
        private ExprList _argList = new ExprList(); 

        private BuiltInExpr( BuiltInKind kind, string name ) 
        { 
            _kind = kind;
            _name = name.ToUpperInvariant(); 
        }


        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1 ) 
            : this(kind, name)
        { 
            _argList.Add(arg1); 
        }
 

        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1, Expr arg2 )
            : this(kind, name, arg1)
        { 
            _argList.Add(arg2);
        } 
 

        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1, Expr arg2, Expr arg3 ) 
            : this(kind, name, arg1, arg2)
        {
            _argList.Add(arg3);
        } 

 
        internal BuiltInExpr( BuiltInKind kind, string name, Expr arg1, Expr arg2, Expr arg3, Expr arg4 ) 
            : this(kind, name, arg1, arg2, arg3)
        { 
            _argList.Add(arg4);
        }

 
        internal BuiltInKind Kind
        { 
            get { return _kind; } 
            set { _kind = value; }
        } 


        internal string Name
        { 
            get { return _name; }
        } 
 

        internal ExprList ArgList 
        {
            get { return _argList; }
        }
 

        internal Expr Arg1 
        { 
            get
            { 
                if (_argList.Count < 1)
                {
                    return null;
                } 

                return _argList[0]; 
            } 
        }
 
        internal Expr Arg2
        {
            get
            { 
                if (_argList.Count < 2)
                    return null; 
 
                return _argList[1];
            } 
        }

        internal int ArgCount
        { 
            get { return ArgList.Count; }
        } 
 
    }
} 


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

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