protected virtual void WriteExpression(object o, TextWriter writer, Expression expr)
{
// NOTE: we don't dispose of the JsonWriter because we didn't create the text writer
JsonWriter jsonWriter = new JsonWriter(writer, !this.Settings.IsCompact, this.Settings.TypeAliases);
ExpressionWriter.Write(jsonWriter, this.Settings.OutputTypeInformation, expr);
}
public void WriteTest()
{
Expression <Func <People, bool> > expression = (s) => s.Age == 12;
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
ExpressionWriter.Write(writer, expression);
Console.WriteLine(writer.ToString());
}
}
/// <summary>
/// Formats the <paramref name="expression"/>.
/// </summary>
/// <param name="expression">The expression to format.</param>
/// <param name="inCSharpNotation">If set to <see langword="true"/>,
/// the result will be returned in C# notation
/// (<see cref="ExpressionWriter"/> will be used).</param>
/// <returns>A string containing formatted expression.</returns>
public static string ToString(this Expression expression, bool inCSharpNotation)
{
if (!inCSharpNotation)
{
return(expression.ToString());
}
return(ExpressionWriter.Write(expression));
// // The old code
// string result = expression.ToString();
// result = Regex.Replace(result, @"value\([^)]+DisplayClass[^)]+\)\.", "");
// return result;
}
public void simple_equality()
{
Expression <Func <PostViewModel, bool> > data = p => p.Id == 23;
_w.Write(data);
Assert.Equal("([Id] = 23)", _sb.ToString());
}
public void WriteBoolean(bool value)
{
BooleanExpression expr = new BooleanExpression(value);
_exprWriter.Write(expr);
Assert.AreEqual(value.ToString().ToLower(), _stringWriter.ToString());
}
