BuilderElements.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Speech / Src / Internal / GrammarBuilding / BuilderElements.cs / 1 / BuilderElements.cs
                        
                        
                            //------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------- 

using System.Collections.ObjectModel; 
using System.Collections.Generic; 
using System.Diagnostics;
using System.Speech.Recognition; 
using System.Speech.Internal.SrgsParser;
using System.Text;

namespace System.Speech.Internal.GrammarBuilding 
{
    ///  
    /// 
    /// 
#if VSCOMPILE 
    [DebuggerDisplay ("{DebugSummary}")]
#endif
    internal abstract class BuilderElements : GrammarBuilderBase
    { 

        //******************************************************************* 
        // 
        // Constructors
        // 
        //*******************************************************************

        #region Constructors
 
        /// 
        /// 
        ///  
        internal BuilderElements ()
        { 
        }

        #endregion
 

        //******************************************************************** 
        // 
        // Public Methods
        // 
        //*******************************************************************

        #region Public Methods
 
        /// TODOC
        public override bool Equals (object obj) 
        { 
            BuilderElements refObj = obj as BuilderElements;
            if (refObj == null) 
            {
                return false;
            }
 
            // Easy out if the number of elements do not match
            if (refObj.Count != Count || refObj.Items.Count != Items.Count) 
            { 
                return false;
            } 

            // Deep recursive search for equality
            for (int i = 0; i < Items.Count; i++)
            { 
                if (!Items [i].Equals (refObj.Items [i]))
                { 
                    return false; 
                }
            } 
            return true;
        }

        /// TODOC <_include file='doc\SpeechAudioFormatInfo.uex' path='docs/doc[@for="SpeechAudioFormatInfo.GetHashCode"]/*' /> 
        public override int GetHashCode ()
        { 
            return base.GetHashCode (); 
        }
 
        #endregion

        //********************************************************************
        // 
        // Protected Methods
        // 
        //******************************************************************** 

        #region Internal Methods 

        /// 
        /// Optimization for a element tree
        ///  
        /// 
        protected void Optimize (Collection newRules) 
        { 
            // Create an dictionary of [Count of elements, list of elements]
            SortedDictionary> dict = new SortedDictionary> (); 
            GetDictionaryElements (dict);

            // The dictionary is sorted from the smallest buckets to the largest.
            // Revert the order in the keys arrays 
            int [] keys = new int [dict.Keys.Count];
 
            int index = keys.Length - 1; 
            foreach (int key in dict.Keys)
            { 
                keys [index--] = key;
            }

            // Look for each bucket from the largest to the smallest 
            for (int i = 0; i < keys.Length && keys [i] >= 3; i++)
            { 
                Collection gb = dict [keys [i]]; 
                for (int j = 0; j < gb.Count; j++)
                { 
                    RuleElement newRule = null;
                    RuleRefElement ruleRef = null;
                    for (int k = j + 1; k < gb.Count; k++)
                    { 
                        if (gb [j] != null && gb [j].Equals (gb [k]))
                        { 
                            BuilderElements current = gb [k]; 
                            BuilderElements parent = current.Parent;
                            if (current is SemanticKeyElement) 
                            // if current is already a ruleref. There is no need to create a new one
                            {
                                // Simply set the ruleref of the current element to the ruleref of the org element.
                                parent.Items [parent.Items.IndexOf (current)] = gb [j]; 
                            }
                            else 
                            { 
                                // Create a rule to store the common elemts
                                if (newRule == null) 
                                {
                                    newRule = new RuleElement (current, "_");
                                    newRules.Add (newRule);
                                } 

                                // Create a ruleref and attach the 
                                if (ruleRef == null) 
                                {
                                    ruleRef = new RuleRefElement (newRule); 
                                    gb [j].Parent.Items [gb [j].Parent.Items.IndexOf (gb [j])] = ruleRef;
                                }
                                parent.Items [current.Parent.Items.IndexOf (current)] = ruleRef;
                            } 
                            //
                            current.RemoveDictionaryElements (dict); 
                            gb [k] = null; 
                        }
                    } 
                }
            }
        }
 
        #endregion
 
        //******************************************************************* 
        //
        // Internal Methods 
        //
        //********************************************************************

        #region Internal Methods 

        ///  
        /// 
        /// 
        ///  
        internal void Add (string phrase)
        {
            _items.Add (new GrammarBuilderPhrase (phrase));
        } 

        ///  
        /// 
        /// 
        ///  
        internal void Add (GrammarBuilder builder)
        {
            foreach (GrammarBuilderBase item in builder.InternalBuilder.Items)
            { 
                _items.Add (item);
            } 
        } 

        ///  
        ///
        /// 
        /// 
        internal void Add (GrammarBuilderBase item) 
        {
            _items.Add (item); 
        } 

        ///  
        ///
        /// 
        /// 
        ///  
        internal void CloneItems (BuilderElements builders)
        { 
            foreach (GrammarBuilderBase item in builders.Items) 
            {
                _items.Add (item); 
            }
        }

        ///  
        ///
        ///  
        ///  
        /// 
        ///  
        /// 
        internal void CreateChildrenElements (IElementFactory elementFactory, IRule parent, IdentifierCollection ruleIds)
        {
            foreach (GrammarBuilderBase buider in Items) 
            {
                IElement element = buider.CreateElement (elementFactory, parent, parent, ruleIds); 
                if (element != null) 
                {
                    element.PostParse (parent); 
                    elementFactory.AddElement (parent, element);
                }
            }
        } 

        ///  
        /// 
        /// 
        ///  
        /// 
        /// 
        /// 
        ///  
        internal void CreateChildrenElements (IElementFactory elementFactory, IItem parent, IRule rule, IdentifierCollection ruleIds)
        { 
            foreach (GrammarBuilderBase buider in Items) 
            {
                IElement element = buider.CreateElement (elementFactory, parent, rule, ruleIds); 
                if (element != null)
                {
                    element.PostParse (parent);
                    elementFactory.AddElement (parent, element); 
                }
            } 
        } 

        ///  
        ///
        /// 
        /// 
        internal override int CalcCount (BuilderElements parent) 
        {
            base.CalcCount (parent); 
            int c = 1; 
            foreach (GrammarBuilderBase item in Items)
            { 
                c += item.CalcCount (this);
            }
            Count = c;
 
            return c;
        } 
 
        #endregion
 

        //*******************************************************************
        //
        // Internal Properties 
        //
        //******************************************************************* 
 
        #region Internal Properties
 
        internal List Items
        {
            get
            { 
                return _items;
            } 
        } 

        override internal string DebugSummary 
        {
            get
            {
                StringBuilder sb = new StringBuilder (); 

                foreach (GrammarBuilderBase item in _items) 
                { 
                    if (sb.Length > 0)
                    { 
                        sb.Append (" ");
                    }
                    sb.Append (item.DebugSummary);
                } 
                return sb.ToString ();
            } 
        } 

        #endregion 

        //*******************************************************************
        //
        // Private Method 
        //
        //******************************************************************** 
 
        #region Private Method
 
        private void GetDictionaryElements (SortedDictionary> dict)
        {
            // Recursive search from a matching subtree
            foreach (GrammarBuilderBase item in Items) 
            {
                BuilderElements current = item as BuilderElements; 
 
                // Go deeper if the number of children is greater the element to compare against.
                if (current != null) 
                {
                    if (!dict.ContainsKey (current.Count))
                    {
                        dict.Add (current.Count, new Collection ()); 
                    }
                    dict [current.Count].Add (current); 
 
                    current.GetDictionaryElements (dict);
                } 
            }
        }

        private void RemoveDictionaryElements (SortedDictionary> dict) 
        {
            // Recursive search from a matching subtree 
            foreach (GrammarBuilderBase item in Items) 
            {
                BuilderElements current = item as BuilderElements; 

                // Go deeper if the number of children is greater the element to compare against.
                if (current != null)
                { 
                    // Recursively remove all elements
                    current.RemoveDictionaryElements (dict); 
 
                    dict [current.Count].Remove (current);
                } 
            }
        }

        #endregion 

        //******************************************************************* 
        // 
        // Private Fields
        // 
        //********************************************************************

        #region Private Fields
 
        // List of builder elements
        private readonly List _items = new List (); 
 
        #endregion
 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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BuilderElements.cs source code in C# .NET

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