SrgsElementFactory.cs source code in C# .NET

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Code:

/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Speech / Src / Recognition / SrgsGrammar / SrgsElementFactory.cs / 1 / SrgsElementFactory.cs

                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: 
//
// History: 
//		5/1/2004	[....]		Created from the Kurosawa Code
//---------------------------------------------------------------------------

#region Using directives 

using System; 
using System.Speech.Internal; 
using System.Speech.Internal.SrgsParser;
 
#endregion

namespace System.Speech.Recognition.SrgsGrammar
{ 
    internal class SrgsElementFactory : IElementFactory
    { 
        internal SrgsElementFactory (SrgsGrammar grammar) 
        {
            _grammar = grammar; 
        }

        /// 
        /// Clear all the rules 
        /// 
        void IElementFactory.RemoveAllRules () 
        { 
        }
 
        IPropertyTag IElementFactory.CreatePropertyTag (IElement parent)
        {
            return (IPropertyTag) new SrgsNameValueTag ();
        } 

        ISemanticTag IElementFactory.CreateSemanticTag (IElement parent) 
        { 
            return (ISemanticTag) new SrgsSemanticInterpretationTag ();
        } 

        IElementText IElementFactory.CreateText (IElement parent, string value)
        {
            return (IElementText) new SrgsText (value); 
        }
 
        IToken IElementFactory.CreateToken (IElement parent, string content, string pronunciation, string display, float reqConfidence) 
        {
            SrgsToken token = new SrgsToken (content); 
            if (!string.IsNullOrEmpty (pronunciation))
            {
                // Check if the pronunciations are ok
                string sPron = pronunciation; 
                for (int iCurPron = 0, iDeliminator = 0; iCurPron < sPron.Length; iCurPron = iDeliminator + 1)
                { 
                    // Find semi-colon deliminator and replace with null 
                    iDeliminator = pronunciation.IndexOfAny (_pronSeparator, iCurPron);
                    if (iDeliminator == -1) 
                    {
                        iDeliminator = sPron.Length;
                    }
 
                    string sSubPron = sPron.Substring (iCurPron, iDeliminator - iCurPron);
 
                    // make sure this goes through 
                    switch (_grammar.PhoneticAlphabet)
                    { 
                        case AlphabetType.Sapi:
                            sSubPron = PhonemeConverter.ConvertPronToId (sSubPron, _grammar.Culture.LCID);
                            break;
 
                        case AlphabetType.Ipa:
                            PhonemeConverter.ValidateUpsIds (sSubPron); 
                            break; 

                        case AlphabetType.Ups: 
                            sSubPron = PhonemeConverter.UpsConverter.ConvertPronToId (sSubPron);
                            break;
                    }
                } 

                token.Pronunciation = pronunciation; 
            } 

            if (!string.IsNullOrEmpty (display)) 
            {
                token.Display = display;
            }
 
            if (reqConfidence >= 0)
            { 
                throw new NotSupportedException (SR.Get (SRID.ReqConfidenceNotSupported)); 
            }
            return (IToken) token; 
        }

        IItem IElementFactory.CreateItem (IElement parent, IRule rule, int minRepeat, int maxRepeat, float repeatProbability, float weight)
        { 
            SrgsItem item = new SrgsItem ();
            if (minRepeat != 1 || maxRepeat != 1) 
            { 
                item.SetRepeat (minRepeat, maxRepeat);
            } 
            item.RepeatProbability = repeatProbability;
            item.Weight = weight;
            return (IItem) item;
        } 

        IRuleRef IElementFactory.CreateRuleRef (IElement parent, Uri srgsUri) 
        { 
            return (IRuleRef) new SrgsRuleRef (srgsUri);
        } 

        IRuleRef IElementFactory.CreateRuleRef (IElement parent, Uri srgsUri, string semanticKey, string parameters)
        {
            return (IRuleRef) new SrgsRuleRef (semanticKey, parameters, srgsUri); 
        }
 
        IOneOf IElementFactory.CreateOneOf (IElement parent, IRule rule) 
        {
            return (IOneOf) new SrgsOneOf (); 
        }

        ISubset IElementFactory.CreateSubset (IElement parent, string text, MatchMode matchMode)
        { 
            SubsetMatchingMode matchingMode = SubsetMatchingMode.Subsequence;
 
            switch (matchMode) 
            {
                case MatchMode.OrderedSubset: 
                    matchingMode = SubsetMatchingMode.OrderedSubset;
                    break;

                case MatchMode.OrderedSubsetContentRequired: 
                    matchingMode = SubsetMatchingMode.OrderedSubsetContentRequired;
                    break; 
 
                case MatchMode.Subsequence:
                    matchingMode = SubsetMatchingMode.Subsequence; 
                    break;

                case MatchMode.SubsequenceContentRequired:
                    matchingMode = SubsetMatchingMode.SubsequenceContentRequired; 
                    break;
 
            } 
            return (ISubset) new SrgsSubset (text, matchingMode);
        } 

        void IElementFactory.InitSpecialRuleRef (IElement parent, IRuleRef special)
        {
        } 

#if !NO_STG 
        void IElementFactory.AddScript (IGrammar grammar, string sRule, string code) 
        {
            SrgsGrammar srgsGrammar = (SrgsGrammar) grammar; 
            SrgsRule rule = srgsGrammar.Rules [sRule];
            if (rule != null)
            {
                rule.Script = rule.Script + code; 
            }
            else 
            { 
                srgsGrammar.AddScript (sRule, code);
            } 
        }

        string IElementFactory.AddScript (IGrammar grammar, string sRule, string code, string filename, int line)
        { 
            return code;
        } 
 
        void IElementFactory.AddScript (IGrammar grammar, string script, string filename, int line)
        { 
            SrgsGrammar srgsGrammar = (SrgsGrammar) grammar;
            srgsGrammar.AddScript (null, script);
        }
#endif 

        void IElementFactory.AddItem (IOneOf oneOf, IItem value) 
        { 
            ((SrgsOneOf) oneOf).Add ((SrgsItem) value);
        } 

        void IElementFactory.AddElement (IRule rule, IElement value)
        {
            ((SrgsRule) rule).Elements.Add ((SrgsElement) value); 
        }
 
        void IElementFactory.AddElement (IItem item, IElement value) 
        {
            ((SrgsItem) item).Elements.Add ((SrgsElement) value); 
        }

        IGrammar IElementFactory.Grammar
        { 
            get
            { 
                return _grammar; 
            }
        } 

        IRuleRef IElementFactory.Null
        {
            get 
            {
                return SrgsRuleRef.Null; 
            } 
        }
        IRuleRef IElementFactory.Void 
        {
            get
            {
                return SrgsRuleRef.Void; 
            }
        } 
        IRuleRef IElementFactory.Garbage 
        {
            get 
            {
                return SrgsRuleRef.Garbage;
            }
        } 
        private SrgsGrammar _grammar;
 
        private static readonly char [] _pronSeparator = new char [] { ' ', '\t', '\n', '\r', ';' }; 
    }
} 

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

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