/// <summary>
/// Serialize an expression tree.
/// </summary>
/// <param name="root">The root <see cref="Expression"/>.</param>
/// <param name="config">Optional configuration.</param>
/// <returns>The serialized <see cref="Expression"/> tree.</returns>
/// <exception cref="ArgumentNullException">Thrown when the <see cref="Expression"/> is <c>null</c>.</exception>
public static string Serialize(
Expression root,
Action <IConfigurationBuilder> config = null)
{
Ensure.NotNull(() => root);
SerializationState state;
if (config != null)
{
var builder = ServiceHost.GetService <IConfigurationBuilder>();
config(builder);
state = builder.Configure();
}
else
{
state = DefaultConfiguration.Value.GetDefaultState();
}
if (state.CompressExpression)
{
root = Compressor.EvalAndCompress(root);
}
var serializeRoot = new SerializationRoot(SerializerValue.Serialize(root, state))
{
TypeIndex = state.TypeIndex.ToArray(),
};
return(JsonSerializer.Serialize(serializeRoot, state.Options));
}
private static Expression Roundtrip(Expression expr, IExpressionSerializer serializer)
{
var slim = serializer.Lift(expr);
var bonsai = serializer.Serialize(slim);
var roundtrippedSlim = serializer.Deserialize(bonsai);
return(serializer.Reduce(roundtrippedSlim));
}
internal static string Serialize(System.Linq.Expressions.Expression pred)
{
EnsureSerializer();
return(s_serializer.Serialize(pred));
}
/// <summary> /// Serializes a slim expression into JSON. /// </summary> /// <param name="serializer">The JSON serializer to use.</param> /// <param name="expression">The slim expression to serialize.</param> /// <returns>The JSON serialized expression.</returns> private JToken SerializeExpressionSlim(JsonSerializer serializer, ExpressionSlim expression) => Parse(serializer, _expressionSerializer.Serialize(expression));
