/// <summary>
/// Create a new instance of <see cref="MessageParameterResolver"/>.
/// </summary>
/// <param name="maxLengthOfString"></param>
/// <param name="maxLevelOfNestLevelLimited"></param>
/// <param name="maxLoopCountForCollection"></param>
/// <param name="additionalScalarTypes"></param>
/// <param name="additionalDestructureResolveRules"></param>
/// <param name="raiseExceptions"></param>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="ArgumentNullException"></exception>
public MessageParameterResolver(
int maxLengthOfString,
int maxLevelOfNestLevelLimited,
int maxLoopCountForCollection,
IEnumerable <Type> additionalScalarTypes,
IEnumerable <IDestructureResolveRule> additionalDestructureResolveRules,
bool raiseExceptions)
{
if (maxLengthOfString < 2)
{
throw new ArgumentOutOfRangeException(nameof(maxLengthOfString));
}
if (maxLevelOfNestLevelLimited < 0)
{
throw new ArgumentOutOfRangeException(nameof(maxLevelOfNestLevelLimited));
}
if (maxLoopCountForCollection < 1)
{
throw new ArgumentOutOfRangeException(nameof(maxLoopCountForCollection));
}
if (additionalScalarTypes == null)
{
throw new ArgumentNullException(nameof(additionalScalarTypes));
}
if (additionalDestructureResolveRules == null)
{
throw new ArgumentNullException(nameof(additionalDestructureResolveRules));
}
_maxLengthOfString = maxLengthOfString;
_maxLevelOfNestLevelLimited = maxLevelOfNestLevelLimited;
_maxLoopCountForCollection = maxLoopCountForCollection;
_raiseExceptions = raiseExceptions;
_scalarResolveRules = new IScalarResolveRule[] {
new SimpleResolveRule(additionalScalarTypes.GetAllScalarTypes()),
new EnumResolveRule(), new ByteArrayResolveRule()
};
_destructureResolveRules = additionalDestructureResolveRules
.Concat(new IDestructureResolveRule[] { new DelegateResolveRule(), new ReflectionTypesResolveRule() })
.ToArray();
_nestParameterResolver = new NestParameterResolver(_maxLevelOfNestLevelLimited, this);
}
public static bool TryResolveCompilerGeneratedType(object value, PropertyResolvingMode mode, NestParameterResolver nest, Type typeOfValue,
bool raiseException, int positionalValue, out MessagePropertyValue result)
{
if (mode == PropertyResolvingMode.Destructure)
{
result = new StructureValue(StructureElements(), Tag());
return(true);
string Tag()
{
var __tag = typeOfValue.Name;
if (string.IsNullOrWhiteSpace(__tag) || typeOfValue.IsCompilerGeneratedType())
{
__tag = null;
}
return(__tag);
}
IEnumerable <MessageProperty> StructureElements()
{
foreach (var property in value.GetType().GetPropertiesRecursive())
{
dynamic propertyValue;
try {
propertyValue = property.GetValue(value);
}
catch (TargetParameterCountException) {
InternalLogger.WriteLine("The property accessor '{0}' is a non-default indexer", property);
continue;
}
catch (TargetInvocationException ex) {
InternalLogger.WriteLine("The property accessor '{0}' threw exception: {1}", property, ex);
if (raiseException)
{
throw;
}
propertyValue = $"Threw an exception at: {ex.InnerException?.GetType().Name}";
}
yield return(new MessageProperty(property.Name, positionalValue, nest.CreatePropertyValue(propertyValue, PropertyResolvingMode.Destructure)));
}
}
}
result = null;
return(false);
}
public static bool TryResolveToValueTuple(object value, PropertyResolvingMode mode, NestParameterResolver nest, Type typeOfValue,
out MessagePropertyValue result)
{
result = CheckingValueTypeDefinition(typeOfValue, value) ? new SequenceValue(SequenceElements()) : null;
return(result != null);
IEnumerable <MessagePropertyValue> SequenceElements()
{
var __fields = typeOfValue.GetTypeInfo().DeclaredFields.Where(f => f.IsPublic && !f.IsStatic);
foreach (var __field in __fields)
{
yield return(nest.CreatePropertyValue(__field.GetValue(value), mode));
}
}
}
public static bool TryResolveToEnumerable(object value, PropertyResolvingMode mode, NestParameterResolver nest, Type typeOfValue,
int maxLoopCountForCollection, out MessagePropertyValue result)
{
if (value is IEnumerable __enumerable)
{
if (TryGetDictionary(value, typeOfValue, out var dictionary))
{
result = new DictionaryValue(DictionaryElements());
return(true);
IEnumerable <KeyValuePair <ScalarValue, MessagePropertyValue> > DictionaryElements()
{
var __index = 0;
foreach (DictionaryEntry __item in dictionary)
{
if (++__index > maxLoopCountForCollection)
{
yield break;
}
if (nest.CreatePropertyValue(__item.Key, mode) is ScalarValue __key)
{
var __value = nest.CreatePropertyValue(__item.Value, mode);
yield return(new KeyValuePair <ScalarValue, MessagePropertyValue>(__key, __value));
}
}
}
}
result = new SequenceValue(SequenceElements());
return(true);
IEnumerable <MessagePropertyValue> SequenceElements()
{
var __index = 0;
foreach (var __item in __enumerable)
{
if (++__index > maxLoopCountForCollection)
{
yield break;
}
yield return(nest.CreatePropertyValue(__item, mode));
}
}
}
result = null;
return(false);
}
