TextWriterEngine.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Speech / Src / Internal / Synthesis / TextWriterEngine.cs / 1 / TextWriterEngine.cs

                            //  
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//
// Description: 
//
// History: 
//		3/15/2005	jeanfp		Created 
//----------------------------------------------------------------------------
 
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Speech.Synthesis; 
using System.Speech.Synthesis.TtsEngine;
using System.Text; 
using System.Xml; 

#pragma warning disable 1634, 1691 // Allows suppression of certain PreSharp messages. 
#pragma warning disable 56524 // The _xmlWriter member is not created in this module and should not be disposed

namespace System.Speech.Internal.Synthesis
{ 
    internal class TextWriterEngine : ISsmlParser
    { 
        //******************************************************************* 
        //
        // Constructors 
        //
        //*******************************************************************

        #region Constructors 

        internal TextWriterEngine (XmlTextWriter writer, CultureInfo culture) 
        { 
            _writer = writer;
            _culture = culture; 
        }

        #endregion
 
        //*******************************************************************
        // 
        // Internal Methods 
        //
        //******************************************************************** 

        #region Internal Methods

        public object ProcessSpeak (string sVersion, string baseUri, CultureInfo culture, List extraNamespace) 
        {
            if (!string.IsNullOrEmpty (baseUri)) 
            { 
                throw new ArgumentException (SR.Get (SRID.InvalidSpeakAttribute, "baseUri", "speak"), "baseUri");
            } 

            bool fNewCulture = culture != null && !culture.Equals (_culture);
            if (fNewCulture || !string.IsNullOrEmpty (_pexmlPrefix) || extraNamespace.Count > 0)
            { 
                _writer.WriteStartElement ("voice");
 
                // Always add the culture info as the voice element cannot not be empty (namespaces declaration don't count) 
                _writer.WriteAttributeString ("xml", "lang", null, culture != null ? culture.Name : _culture.Name);
 
                // write all the additionnal namespace
                foreach (SsmlXmlAttribute ns in extraNamespace)
                {
                    _writer.WriteAttributeString ("xmlns", ns._name, ns._ns, ns._value); 
                }
 
                // If the prompt builder is used with to add prompt engine data, add the namespace 
                if (!string.IsNullOrEmpty (_pexmlPrefix))
                { 
                    _writer.WriteAttributeString ("xmlns", _pexmlPrefix, null, xmlNamespacePrompt);
                }

                _closeSpeak = true; 
            }
 
            return null; 
        }
 
        public void ProcessText (string text, object voice, ref FragmentState fragmentState, int position, bool fIgnore)
        {
            _writer.WriteString (text);
        } 

        public void ProcessAudio (object voice, string uri, string baseUri, bool fIgnore) 
        { 
            _writer.WriteStartElement ("audio");
            _writer.WriteAttributeString ("src", uri); 
        }

        public void ProcessBreak (object voice, ref FragmentState fragmentState, EmphasisBreak eBreak, int time, bool fIgnore)
        { 
            _writer.WriteStartElement ("break");
            if (time > 0 && eBreak == EmphasisBreak.None) 
            { 
                _writer.WriteAttributeString ("time", time.ToString (CultureInfo.InvariantCulture) + "ms");
            } 
            else
            {
                string value = null;
                switch (eBreak) 
                {
                    case EmphasisBreak.None: 
                        value = "none"; 
                        break;
 
                    case EmphasisBreak.ExtraWeak:
                        value = "x-weak";
                        break;
 
                    case EmphasisBreak.Weak:
                        value = "weak"; 
                        break; 

                    case EmphasisBreak.Medium: 
                        value = "medium";
                        break;

                    case EmphasisBreak.Strong: 
                        value = "strong";
                        break; 
 
                    case EmphasisBreak.ExtraStrong:
                        value = "x-strong"; 
                        break;
                }
                if (!string.IsNullOrEmpty (value))
                { 
                    _writer.WriteAttributeString ("strength", value);
                } 
            } 
        }
 
        public void ProcessDesc (CultureInfo culture)
        {
            _writer.WriteStartElement ("desc");
            if (culture != null) 
            {
                _writer.WriteAttributeString ("xml", "lang", null, culture.Name); 
            } 
        }
 
        public void ProcessEmphasis (bool noLevel, EmphasisWord word)
        {
            _writer.WriteStartElement ("emphasis");
            if (word != EmphasisWord.Default) 
            {
                _writer.WriteAttributeString ("level", word.ToString ().ToLowerInvariant ()); 
            } 
        }
 
        public void ProcessMark (object voice, ref FragmentState fragmentState, string name, bool fIgnore)
        {
            _writer.WriteStartElement ("mark");
            _writer.WriteAttributeString ("name", name); 
        }
 
        public object ProcessTextBlock (bool isParagraph, object voice, ref FragmentState fragmentState, CultureInfo culture, bool newCulture, VoiceGender gender, VoiceAge age) 
        {
            _writer.WriteStartElement (isParagraph ? "p" : "s"); 
            if (culture != null)
            {
                _writer.WriteAttributeString ("xml", "lang", null, culture.Name);
            } 
            return null;
        } 
 
        public void EndProcessTextBlock (bool isParagraph)
        { 
        }

        public void ProcessPhoneme (ref FragmentState fragmentState, AlphabetType alphabet, string ph, char [] phoneIds)
        { 
            _writer.WriteStartElement ("phoneme");
            if (alphabet != AlphabetType.Ipa) 
            { 
                _writer.WriteAttributeString ("alphabet", alphabet == AlphabetType.Sapi ? "x-microsoft-sapi" : "x-microsoft-ups");
                System.Diagnostics.Debug.Assert (alphabet == AlphabetType.Ups || alphabet == AlphabetType.Sapi); 
            }
            _writer.WriteAttributeString ("ph", ph);
        }
 
        public void ProcessProsody (string pitch, string range, string rate, string volume, string duration, string points)
        { 
            _writer.WriteStartElement ("prosody"); 
            if (!string.IsNullOrEmpty (range))
            { 
                _writer.WriteAttributeString ("range", range);
            }
            if (!string.IsNullOrEmpty (rate))
            { 
                _writer.WriteAttributeString ("rate", rate);
            } 
            if (!string.IsNullOrEmpty (volume)) 
            {
                _writer.WriteAttributeString ("volume", volume); 
            }
            if (!string.IsNullOrEmpty (duration))
            {
                _writer.WriteAttributeString ("duration", duration); 
            }
            if (!string.IsNullOrEmpty (points)) 
            { 
                _writer.WriteAttributeString ("range", points);
            } 
        }

        public void ProcessSayAs (string interpretAs, string format, string detail)
        { 
            _writer.WriteStartElement ("say-as");
            _writer.WriteAttributeString ("interpret-as", interpretAs); 
            if (!string.IsNullOrEmpty (format)) 
            {
                _writer.WriteAttributeString ("format", format); 
            }
            if (!string.IsNullOrEmpty (detail))
            {
                _writer.WriteAttributeString ("detail", detail); 
            }
        } 
 
        public void ProcessSub (string alias, object voice, ref FragmentState fragmentState, int position, bool fIgnore)
        { 
            _writer.WriteStartElement ("sub");
            _writer.WriteAttributeString ("alias", alias);
        }
        public object ProcessVoice (string name, CultureInfo culture, VoiceGender gender, VoiceAge age, int variant, bool fNewCulture, List extraNamespace) 
        {
            _writer.WriteStartElement ("voice"); 
            if (!string.IsNullOrEmpty (name)) 
            {
                _writer.WriteAttributeString ("name", name); 
            }
            if (fNewCulture && culture != null)
            {
                _writer.WriteAttributeString ("xml", "lang", null, culture.Name); 
            }
            if (gender != VoiceGender.NotSet) 
            { 
                _writer.WriteAttributeString ("gender", gender.ToString ().ToLowerInvariant ());
            } 
            if (age != VoiceAge.NotSet)
            {
                _writer.WriteAttributeString ("age", ((int) age).ToString (CultureInfo.InvariantCulture));
            } 
            if (variant > 0)
            { 
                _writer.WriteAttributeString ("variant", (variant).ToString (CultureInfo.InvariantCulture)); 
            }
 
            // write all the additionnal namespace
            if (extraNamespace != null)
            {
                foreach (SsmlXmlAttribute ns in extraNamespace) 
                {
                    _writer.WriteAttributeString ("xmlns", ns._name, ns._ns, ns._value); 
                } 
            }
            return null; 
        }

        public void ProcessLexicon (Uri uri, string type)
        { 
            _writer.WriteStartElement ("lexicon");
            _writer.WriteAttributeString ("uri", uri.ToString ()); 
            if (!string.IsNullOrEmpty (type)) 
            {
                _writer.WriteAttributeString ("type", type); 
            }
        }

        public void EndElement () 
        {
            _writer.WriteEndElement (); 
        } 

        public void EndSpeakElement () 
        {
            if (_closeSpeak)
            {
                _writer.WriteEndElement (); 
            }
        } 
 
        public void ProcessUnknownElement (object voice, ref FragmentState fragmentState, XmlReader reader)
        { 
            _writer.WriteNode (reader, false);
        }

        public void StartProcessUnknownAttributes (object voice, ref FragmentState fragmentState, string sElement, List extraAttributes) 
        {
            // write all the additionnal namespace 
            foreach (SsmlXmlAttribute attribute in extraAttributes) 
            {
                _writer.WriteAttributeString (attribute._prefix, attribute._name, attribute._ns, attribute._value); 
            }
        }

        public void EndProcessUnknownAttributes (object voice, ref FragmentState fragmentState, string sElement, List extraAttributes) 
        {
        } 
 
        #region Prompt Engine
 
        public void ContainsPexml (string pexmlPrefix)
        {
            _pexmlPrefix = pexmlPrefix;
        } 

        //this is not a public API!!! 
#pragma warning disable 56507 

 
        private bool ProcessPromptEngine (string element, params KeyValuePair [] attributes)
        {

            _writer.WriteStartElement (_pexmlPrefix, element, xmlNamespacePrompt); 

            if (attributes != null) 
            { 
                foreach (KeyValuePair kp in attributes)
                { 
                    if (kp.Value != null)
                    {
                        _writer.WriteAttributeString (kp.Key, kp.Value);
                    } 
                }
            } 
            return true; 
        }
 
#pragma warning restore 56507

        public bool BeginPromptEngineOutput (object voice)
        { 
            return ProcessPromptEngine ("prompt_output");
        } 
 
        public bool ProcessPromptEngineDatabase (object voice, string fname, string delta, string idset)
        { 
            return ProcessPromptEngine ("database", new KeyValuePair [] { new KeyValuePair ("fname", fname), new KeyValuePair ("delta", delta), new KeyValuePair ("idset", idset) } );
        }

        public bool ProcessPromptEngineDiv (object voice) 
        {
            return ProcessPromptEngine ("div"); 
        } 

        public bool ProcessPromptEngineId (object voice, string id) 
        {
            return ProcessPromptEngine ("id", new KeyValuePair [] { new KeyValuePair ("id", id) });
        }
 
        public bool BeginPromptEngineTts (object voice)
        { 
            return ProcessPromptEngine ("tts"); 
        }
 
        public void EndPromptEngineTts (object voice)
        {
        }
 
        public bool BeginPromptEngineWithTag (object voice, string tag)
        { 
            return ProcessPromptEngine ("withtag", new KeyValuePair [] { new KeyValuePair ("tag", tag) }); 
        }
 
        public void EndPromptEngineWithTag (object voice, string tag)
        {
        }
 
        public bool BeginPromptEngineRule (object voice, string name)
        { 
            return ProcessPromptEngine ("rule", new KeyValuePair [] { new KeyValuePair ("name", name) }); 
        }
 
        public void EndPromptEngineRule (object voice, string name)
        {
        }
 
        public void EndPromptEngineOutput (object voice)
        { 
        } 

        #endregion 

        #endregion

        //******************************************************************* 
        //
        // Internal Properties 
        // 
        //********************************************************************
 
        #region Internal Properties

        public string Ssml
        { 
            get
            { 
                return null; 
            }
        } 

        #endregion

        //******************************************************************** 
        //
        // Private Fields 
        // 
        //*******************************************************************
 
        #region Private Fields

        private XmlTextWriter _writer;
        private CultureInfo _culture; 
        private bool _closeSpeak;
        private string _pexmlPrefix; 
        private const string xmlNamespacePrompt = "http://schemas.microsoft.com/Speech/2003/03/PromptEngine"; 

        #endregion 

    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//  
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//
// Description: 
//
// History: 
//		3/15/2005	jeanfp		Created 
//----------------------------------------------------------------------------
 
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Speech.Synthesis; 
using System.Speech.Synthesis.TtsEngine;
using System.Text; 
using System.Xml; 

#pragma warning disable 1634, 1691 // Allows suppression of certain PreSharp messages. 
#pragma warning disable 56524 // The _xmlWriter member is not created in this module and should not be disposed

namespace System.Speech.Internal.Synthesis
{ 
    internal class TextWriterEngine : ISsmlParser
    { 
        //******************************************************************* 
        //
        // Constructors 
        //
        //*******************************************************************

        #region Constructors 

        internal TextWriterEngine (XmlTextWriter writer, CultureInfo culture) 
        { 
            _writer = writer;
            _culture = culture; 
        }

        #endregion
 
        //*******************************************************************
        // 
        // Internal Methods 
        //
        //******************************************************************** 

        #region Internal Methods

        public object ProcessSpeak (string sVersion, string baseUri, CultureInfo culture, List extraNamespace) 
        {
            if (!string.IsNullOrEmpty (baseUri)) 
            { 
                throw new ArgumentException (SR.Get (SRID.InvalidSpeakAttribute, "baseUri", "speak"), "baseUri");
            } 

            bool fNewCulture = culture != null && !culture.Equals (_culture);
            if (fNewCulture || !string.IsNullOrEmpty (_pexmlPrefix) || extraNamespace.Count > 0)
            { 
                _writer.WriteStartElement ("voice");
 
                // Always add the culture info as the voice element cannot not be empty (namespaces declaration don't count) 
                _writer.WriteAttributeString ("xml", "lang", null, culture != null ? culture.Name : _culture.Name);
 
                // write all the additionnal namespace
                foreach (SsmlXmlAttribute ns in extraNamespace)
                {
                    _writer.WriteAttributeString ("xmlns", ns._name, ns._ns, ns._value); 
                }
 
                // If the prompt builder is used with to add prompt engine data, add the namespace 
                if (!string.IsNullOrEmpty (_pexmlPrefix))
                { 
                    _writer.WriteAttributeString ("xmlns", _pexmlPrefix, null, xmlNamespacePrompt);
                }

                _closeSpeak = true; 
            }
 
            return null; 
        }
 
        public void ProcessText (string text, object voice, ref FragmentState fragmentState, int position, bool fIgnore)
        {
            _writer.WriteString (text);
        } 

        public void ProcessAudio (object voice, string uri, string baseUri, bool fIgnore) 
        { 
            _writer.WriteStartElement ("audio");
            _writer.WriteAttributeString ("src", uri); 
        }

        public void ProcessBreak (object voice, ref FragmentState fragmentState, EmphasisBreak eBreak, int time, bool fIgnore)
        { 
            _writer.WriteStartElement ("break");
            if (time > 0 && eBreak == EmphasisBreak.None) 
            { 
                _writer.WriteAttributeString ("time", time.ToString (CultureInfo.InvariantCulture) + "ms");
            } 
            else
            {
                string value = null;
                switch (eBreak) 
                {
                    case EmphasisBreak.None: 
                        value = "none"; 
                        break;
 
                    case EmphasisBreak.ExtraWeak:
                        value = "x-weak";
                        break;
 
                    case EmphasisBreak.Weak:
                        value = "weak"; 
                        break; 

                    case EmphasisBreak.Medium: 
                        value = "medium";
                        break;

                    case EmphasisBreak.Strong: 
                        value = "strong";
                        break; 
 
                    case EmphasisBreak.ExtraStrong:
                        value = "x-strong"; 
                        break;
                }
                if (!string.IsNullOrEmpty (value))
                { 
                    _writer.WriteAttributeString ("strength", value);
                } 
            } 
        }
 
        public void ProcessDesc (CultureInfo culture)
        {
            _writer.WriteStartElement ("desc");
            if (culture != null) 
            {
                _writer.WriteAttributeString ("xml", "lang", null, culture.Name); 
            } 
        }
 
        public void ProcessEmphasis (bool noLevel, EmphasisWord word)
        {
            _writer.WriteStartElement ("emphasis");
            if (word != EmphasisWord.Default) 
            {
                _writer.WriteAttributeString ("level", word.ToString ().ToLowerInvariant ()); 
            } 
        }
 
        public void ProcessMark (object voice, ref FragmentState fragmentState, string name, bool fIgnore)
        {
            _writer.WriteStartElement ("mark");
            _writer.WriteAttributeString ("name", name); 
        }
 
        public object ProcessTextBlock (bool isParagraph, object voice, ref FragmentState fragmentState, CultureInfo culture, bool newCulture, VoiceGender gender, VoiceAge age) 
        {
            _writer.WriteStartElement (isParagraph ? "p" : "s"); 
            if (culture != null)
            {
                _writer.WriteAttributeString ("xml", "lang", null, culture.Name);
            } 
            return null;
        } 
 
        public void EndProcessTextBlock (bool isParagraph)
        { 
        }

        public void ProcessPhoneme (ref FragmentState fragmentState, AlphabetType alphabet, string ph, char [] phoneIds)
        { 
            _writer.WriteStartElement ("phoneme");
            if (alphabet != AlphabetType.Ipa) 
            { 
                _writer.WriteAttributeString ("alphabet", alphabet == AlphabetType.Sapi ? "x-microsoft-sapi" : "x-microsoft-ups");
                System.Diagnostics.Debug.Assert (alphabet == AlphabetType.Ups || alphabet == AlphabetType.Sapi); 
            }
            _writer.WriteAttributeString ("ph", ph);
        }
 
        public void ProcessProsody (string pitch, string range, string rate, string volume, string duration, string points)
        { 
            _writer.WriteStartElement ("prosody"); 
            if (!string.IsNullOrEmpty (range))
            { 
                _writer.WriteAttributeString ("range", range);
            }
            if (!string.IsNullOrEmpty (rate))
            { 
                _writer.WriteAttributeString ("rate", rate);
            } 
            if (!string.IsNullOrEmpty (volume)) 
            {
                _writer.WriteAttributeString ("volume", volume); 
            }
            if (!string.IsNullOrEmpty (duration))
            {
                _writer.WriteAttributeString ("duration", duration); 
            }
            if (!string.IsNullOrEmpty (points)) 
            { 
                _writer.WriteAttributeString ("range", points);
            } 
        }

        public void ProcessSayAs (string interpretAs, string format, string detail)
        { 
            _writer.WriteStartElement ("say-as");
            _writer.WriteAttributeString ("interpret-as", interpretAs); 
            if (!string.IsNullOrEmpty (format)) 
            {
                _writer.WriteAttributeString ("format", format); 
            }
            if (!string.IsNullOrEmpty (detail))
            {
                _writer.WriteAttributeString ("detail", detail); 
            }
        } 
 
        public void ProcessSub (string alias, object voice, ref FragmentState fragmentState, int position, bool fIgnore)
        { 
            _writer.WriteStartElement ("sub");
            _writer.WriteAttributeString ("alias", alias);
        }
        public object ProcessVoice (string name, CultureInfo culture, VoiceGender gender, VoiceAge age, int variant, bool fNewCulture, List extraNamespace) 
        {
            _writer.WriteStartElement ("voice"); 
            if (!string.IsNullOrEmpty (name)) 
            {
                _writer.WriteAttributeString ("name", name); 
            }
            if (fNewCulture && culture != null)
            {
                _writer.WriteAttributeString ("xml", "lang", null, culture.Name); 
            }
            if (gender != VoiceGender.NotSet) 
            { 
                _writer.WriteAttributeString ("gender", gender.ToString ().ToLowerInvariant ());
            } 
            if (age != VoiceAge.NotSet)
            {
                _writer.WriteAttributeString ("age", ((int) age).ToString (CultureInfo.InvariantCulture));
            } 
            if (variant > 0)
            { 
                _writer.WriteAttributeString ("variant", (variant).ToString (CultureInfo.InvariantCulture)); 
            }
 
            // write all the additionnal namespace
            if (extraNamespace != null)
            {
                foreach (SsmlXmlAttribute ns in extraNamespace) 
                {
                    _writer.WriteAttributeString ("xmlns", ns._name, ns._ns, ns._value); 
                } 
            }
            return null; 
        }

        public void ProcessLexicon (Uri uri, string type)
        { 
            _writer.WriteStartElement ("lexicon");
            _writer.WriteAttributeString ("uri", uri.ToString ()); 
            if (!string.IsNullOrEmpty (type)) 
            {
                _writer.WriteAttributeString ("type", type); 
            }
        }

        public void EndElement () 
        {
            _writer.WriteEndElement (); 
        } 

        public void EndSpeakElement () 
        {
            if (_closeSpeak)
            {
                _writer.WriteEndElement (); 
            }
        } 
 
        public void ProcessUnknownElement (object voice, ref FragmentState fragmentState, XmlReader reader)
        { 
            _writer.WriteNode (reader, false);
        }

        public void StartProcessUnknownAttributes (object voice, ref FragmentState fragmentState, string sElement, List extraAttributes) 
        {
            // write all the additionnal namespace 
            foreach (SsmlXmlAttribute attribute in extraAttributes) 
            {
                _writer.WriteAttributeString (attribute._prefix, attribute._name, attribute._ns, attribute._value); 
            }
        }

        public void EndProcessUnknownAttributes (object voice, ref FragmentState fragmentState, string sElement, List extraAttributes) 
        {
        } 
 
        #region Prompt Engine
 
        public void ContainsPexml (string pexmlPrefix)
        {
            _pexmlPrefix = pexmlPrefix;
        } 

        //this is not a public API!!! 
#pragma warning disable 56507 

 
        private bool ProcessPromptEngine (string element, params KeyValuePair [] attributes)
        {

            _writer.WriteStartElement (_pexmlPrefix, element, xmlNamespacePrompt); 

            if (attributes != null) 
            { 
                foreach (KeyValuePair kp in attributes)
                { 
                    if (kp.Value != null)
                    {
                        _writer.WriteAttributeString (kp.Key, kp.Value);
                    } 
                }
            } 
            return true; 
        }
 
#pragma warning restore 56507

        public bool BeginPromptEngineOutput (object voice)
        { 
            return ProcessPromptEngine ("prompt_output");
        } 
 
        public bool ProcessPromptEngineDatabase (object voice, string fname, string delta, string idset)
        { 
            return ProcessPromptEngine ("database", new KeyValuePair [] { new KeyValuePair ("fname", fname), new KeyValuePair ("delta", delta), new KeyValuePair ("idset", idset) } );
        }

        public bool ProcessPromptEngineDiv (object voice) 
        {
            return ProcessPromptEngine ("div"); 
        } 

        public bool ProcessPromptEngineId (object voice, string id) 
        {
            return ProcessPromptEngine ("id", new KeyValuePair [] { new KeyValuePair ("id", id) });
        }
 
        public bool BeginPromptEngineTts (object voice)
        { 
            return ProcessPromptEngine ("tts"); 
        }
 
        public void EndPromptEngineTts (object voice)
        {
        }
 
        public bool BeginPromptEngineWithTag (object voice, string tag)
        { 
            return ProcessPromptEngine ("withtag", new KeyValuePair [] { new KeyValuePair ("tag", tag) }); 
        }
 
        public void EndPromptEngineWithTag (object voice, string tag)
        {
        }
 
        public bool BeginPromptEngineRule (object voice, string name)
        { 
            return ProcessPromptEngine ("rule", new KeyValuePair [] { new KeyValuePair ("name", name) }); 
        }
 
        public void EndPromptEngineRule (object voice, string name)
        {
        }
 
        public void EndPromptEngineOutput (object voice)
        { 
        } 

        #endregion 

        #endregion

        //******************************************************************* 
        //
        // Internal Properties 
        // 
        //********************************************************************
 
        #region Internal Properties

        public string Ssml
        { 
            get
            { 
                return null; 
            }
        } 

        #endregion

        //******************************************************************** 
        //
        // Private Fields 
        // 
        //*******************************************************************
 
        #region Private Fields

        private XmlTextWriter _writer;
        private CultureInfo _culture; 
        private bool _closeSpeak;
        private string _pexmlPrefix; 
        private const string xmlNamespacePrompt = "http://schemas.microsoft.com/Speech/2003/03/PromptEngine"; 

        #endregion 

    }
}

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

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