/// <summary> /// Reads stream to match it against a dictionary of all known units for an ingredient /// </summary> /// <param name="stream"></param> /// <param name="matchdata"></param> /// <returns></returns> public bool Read(Stream stream, MatchData matchdata) { if (data == null) { data = new NumericVocab(); } var matchFound = false; var buffer = string.Empty; var matchPos = stream.Position; int curByte; while ((curByte = stream.ReadByte()) >= 0) { buffer += (char)curByte; NumericNode node; var match = data.Parse(buffer, out node); if (match == MatchPrecision.None) { stream.Seek(matchPos, SeekOrigin.Begin); break; } if (match == MatchPrecision.Exact) { matchPos = stream.Position; matchFound = true; matchdata.Amount = new Amount { SizeHigh = node.Value }; } } return matchFound; }
/// <summary> /// Reads stream to match it against a dictionary of all known units for an ingredient /// </summary> /// <param name="stream"></param> /// <param name="matchdata"></param> /// <returns></returns> public bool Read(Stream stream, MatchData matchdata) { if (data == null) { data = new NumericVocab(); } NumericNode node; var fMatch = false; var buffer = String.Empty; var matchPos = stream.Position; int curByte; while ((curByte = stream.ReadByte()) >= 0) { buffer += (char) curByte; var match = data.Parse(buffer, out node); if (match == MatchPrecision.None) { stream.Seek(matchPos, SeekOrigin.Begin); break; //No reason to continue reading stream, let's see what we have.. } if (match == MatchPrecision.Exact) { matchPos = stream.Position; fMatch = true; matchdata.Amount = new Amount(); matchdata.Amount.SizeHigh = node.Value; } } return fMatch; }
/// <summary> /// Reads stream to match it against a dictionary of all known units for an ingredient /// </summary> /// <param name="stream"></param> /// <param name="matchdata"></param> /// <returns></returns> public bool Read(Stream stream, MatchData matchdata) { if (data == null) { data = new NumericVocab(); } NumericNode node; var ifMatch = false; var buffer = string.Empty; var matchPos = stream.Position; int curByte; while ((curByte = stream.ReadByte()) >= 0) { buffer += (char)curByte; var match = data.Parse(buffer, out node); if (match == MatchPrecision.None) { stream.Seek(matchPos, SeekOrigin.Begin); break; // If there is no match, we check what we have to this moment. } if (match == MatchPrecision.Exact) { matchPos = stream.Position; ifMatch = true; matchdata.Amount = new Amount(); matchdata.Amount.SizeHigh = node.Value; } } return ifMatch; }
/// <summary> /// Initializes the context and loads necessary data into memory through the configured database adapter. /// This must be done before the context is usable. /// </summary> public virtual void Initialize() { if (Adapter == null) { throw new InvalidConfigurationException("DBContext requires a configured database adapter. Please check your configuration."); } // Initiaze NHibernate session Adapter.Initialize(this); new Thread(delegate() { using (InitLock.WriteLock()) { // Initialize ingredient parser ingParser = new IngredientParser(); var ingredientIndex = Adapter.LoadIngredientsForIndex(); ingParser.CreateIndex(ingredientIndex); // Initialize modeler modeler = new ModelerProxy(this); modeler.LoadSnapshot(); // Initialize natural language parsing IngredientSynonyms.InitIndex(Adapter.IngredientLoader); UnitSynonyms.InitIndex(Adapter.UnitLoader); FormSynonyms.InitIndex(Adapter.FormLoader); PrepNotes.InitIndex(Adapter.PrepLoader); Anomalies.InitIndex(Adapter.AnomalyLoader); NumericVocab.InitIndex(); parser = new Parser(); LoadTemplates(); } }).Start(); Thread.Sleep(500); // Provides time for initialize thread to start and acquire InitLock }
public void Setup() { //Initialize all the maps Trace.Write("Initializing NLP Grammar maps... "); IngredientSynonyms.InitIndex(new TestIngredientLoader()); UnitSynonyms.InitIndex(new TestUnitLoader()); FormSynonyms.InitIndex(new TestFormLoader()); PrepNotes.InitIndex(new TestPrepLoader()); NumericVocab.InitIndex(); //Load parse templates parser = new Parser(); Trace.Write("Loading parse templates... "); parser.LoadTemplates( "[ING]: [AMT] [UNIT]", //cheddar cheese: 5 cups "[AMT] [UNIT] [FORM] [ING]", //5 cups melted cheddar cheese "[AMT] [UNIT] [ING]", //5 cups cheddar cheese "[AMT] [UNIT] of [ING]", //5 cups of cheddar cheese "[AMT] [UNIT] of [FORM] [ING]", //two cups of shredded cheddar cheese "[AMT] [ING]", //5 eggs "[ING]: [AMT]", //eggs: 5 "[FORM] [ING]: [AMT]", //shredded cheddar cheese: 1 cup "[FORM] [ING]: [AMT] [UNIT]", //shredded cheddar cheese: 1 cup "[ING]: [AMT] [UNIT], [PREP]", //cheddar cheese: 5 cups "[AMT] [UNIT] [FORM] [ING], [PREP]", //5 cups melted cheddar cheese "[AMT] [UNIT] [ING], [PREP]", //5 cups cheddar cheese "[AMT] [UNIT] of [ING], [PREP]", //5 cups of cheddar cheese "[AMT] [UNIT] of [FORM] [ING], [PREP]", //two cups of shredded cheddar cheese "[AMT] [ING], [PREP]", //5 eggs "[ING]: [AMT], [PREP]", //eggs: 5 "[FORM] [ING]: [AMT], [PREP]", //shredded cheddar cheese: 1 cup "[FORM] [ING]: [AMT] [UNIT], [PREP]" //shredded cheddar cheese: 1 cup ); }