propertytag.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Speech / Src / Internal / SrgsCompiler / propertytag.cs / 1 / propertytag.cs
                        

                        
                            //------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------- 

using System; 
using System.Runtime.InteropServices; 
using System.Speech.Internal.SrgsParser;
 
#pragma warning disable 1634, 1691 // Allows suppression of certain PreSharp messages.

namespace System.Speech.Internal.SrgsCompiler
{ 
    /// 
    /// Summary description for Rule. 
    ///  
    internal sealed class PropertyTag : ParseElement, IPropertyTag
    { 
        //*******************************************************************
        //
        // Constructors
        // 
        //*******************************************************************
 
        #region Constructors 

        internal PropertyTag (ParseElement parent, Backend backend) 
            : base (parent._rule)
        {
        }
 
        #endregion
 
        //******************************************************************** 
        //
        // Internal Methods 
        //
        //*******************************************************************

        #region Internal Methods 

#pragma warning disable 56507 
 
        /// TODOC <_include file='doc\Tag.uex' path='docs/doc[@for="Tag.RepeatProbability"]/*' />
        // The probability that this item will be repeated. 
        void IPropertyTag.NameValue (IElement parent, string name, object value)
        {
            //Return if the Tag content is empty
            string sValue = value as string; 
            if (string.IsNullOrEmpty (name) && (value == null || (sValue != null && string.IsNullOrEmpty ((sValue).Trim ()))))
            { 
                return; 
            }
 
            // Build semantic properties to attach to epsilon transition.
            // Name=             pszValue = null     vValue = VT_EMPTY
            // Name="string"     pszValue = "string" vValue = VT_EMPTY
            // Name=true         pszValue = null     vValue = VT_BOOL 
            // Name=123          pszValue = null     vValue = VT_I4
            // Name=3.14         pszValue = null     vValue = VT_R8 
 
            if (!string.IsNullOrEmpty (name))
            { 
                // Set property name
                _propInfo._pszName = name;
            }
            else 
            {
                // If no property, set the name to the anonymous property name 
                _propInfo._pszName = "="; 
            }
 
            // Set property value
            _propInfo._comValue = value;
            if (value == null)
            { 
                _propInfo._comType = VarEnum.VT_EMPTY;
            } 
            else if (sValue != null) 
            {
                _propInfo._comType = VarEnum.VT_EMPTY; 
            }
            else if (value is int)
            {
                _propInfo._comType = VarEnum.VT_I4; 
            }
            else if (value is double) 
            { 
                _propInfo._comType = VarEnum.VT_R8;
            } 
            else if (value is bool)
            {
                _propInfo._comType = VarEnum.VT_BOOL;
            } 
            else
            { 
                // should never get here 
                System.Diagnostics.Debug.Assert (false);
            } 
        }

        void IElement.PostParse (IElement parentElement)
        { 
            ParseElementCollection parent = (ParseElementCollection) parentElement;
            _propInfo._ulId = (uint) parent._rule._iSerialize2; 
 
            // Attach the semantic properties on the parent element.
            parent.AddSementicPropertyTag (_propInfo); 
        }

#pragma warning restore 56507
 
        #endregion
 
        //******************************************************************** 
        //
        // Private Fields 
        //
        //********************************************************************

        #region Private Fields 

        private CfgGrammar.CfgProperty _propInfo = new CfgGrammar.CfgProperty (); 
 
        #endregion
 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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