How to use TextToToken method of NBi.Core.Transformation.Transformer.Native.Text.NullToEmpty class

Best NBi code snippet using NBi.Core.Transformation.Transformer.Native.Text.NullToEmpty.TextToToken

TextTransformations.cs

Source:TextTransformations.cs Github

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...172 protected override object EvaluateEmpty() => 0;173 protected override object EvaluateNull() => 0;174 protected override object EvaluateString(string value) => value.Length;175 }176 class TextToToken : AbstractTextTransformation177 {178 public IScalarResolver<int> Index { get; }179 public IScalarResolver<char> Separator { get; }180 public TextToToken(IScalarResolver<int> index)181 => (Index, Separator) = (index, null);182 public TextToToken(IScalarResolver<int> index, IScalarResolver<char> separator)183 => (Index, Separator) = (index, separator);184 protected override object EvaluateBlank() => Separator == null || char.IsWhiteSpace(Separator.Execute()) ? "(null)" : "(blank)";185 protected override object EvaluateEmpty() => "(null)";186 protected override object EvaluateString(string value)187 {188 var tokenizer = Separator == null ? (ITokenizer)new WhitespaceTokenizer() : new Tokenizer(Separator.Execute());189 var tokens = tokenizer.Execute(value);190 var indexValue = Index.Execute();191 if (indexValue < tokens.Length)192 return tokens[indexValue];193 else194 return "(null)";195 }196 }197 class TextToTokenCount : TextToLength198 {199 public IScalarResolver<char> Separator { get; }200 public TextToTokenCount()201 => Separator = null;202 public TextToTokenCount(IScalarResolver<char> separator)203 => Separator = separator;204 protected override object EvaluateBlank() => 0;205 protected override object EvaluateString(string value) => TokenCount(value);206 private int TokenCount(string value)207 {208 var tokenizer = Separator == null ? (ITokenizer)new WhitespaceTokenizer() : new Tokenizer(Separator.Execute());209 return tokenizer.Execute(value).Count();210 }211 }212 class TextToDateTime : AbstractTextTransformation213 {214 public IScalarResolver<string> Format { get; }215 public IScalarResolver<string> Culture { get; }216 public TextToDateTime(IScalarResolver<string> format)...

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