public static void WriteStringArray(ITypeSerializer serializer, TextWriter writer, object oList)
{
writer.Write(JsWriter.ListStartChar);
var list = (string[])oList;
var ranOnce = false;
var listLength = list.Length;
for (var i = 0; i < listLength; i++)
{
JsWriter.WriteItemSeperatorIfRanOnce(writer, ref ranOnce);
serializer.WriteString(writer, list[i]);
}
writer.Write(JsWriter.ListEndChar);
}
//TODO: optimize ExtractType
public static Type ExtractType(StringSegment strType)
{
if (!strType.HasValue || strType.Length <= 1)
{
return(null);
}
var hasWhitespace = Json.JsonUtils.WhiteSpaceChars.Contains(strType.GetChar(1));
if (hasWhitespace)
{
var pos = strType.IndexOf('"');
if (pos >= 0)
{
strType = new StringSegment("{" + strType.Substring(pos, strType.Length - pos));
}
}
var typeAttrInObject = Serializer.TypeAttrInObject;
if (strType.Length > typeAttrInObject.Length &&
strType.Substring(0, typeAttrInObject.Length) == typeAttrInObject)
{
var propIndex = typeAttrInObject.Length;
var typeName = Serializer.UnescapeSafeString(Serializer.EatValue(strType, ref propIndex)).Value;
var type = JsConfig.TypeFinder(typeName);
JsWriter.AssertAllowedRuntimeType(type);
if (type == null)
{
Tracer.Instance.WriteWarning("Could not find type: " + typeName);
return(null);
}
return(PclExport.Instance.UseType(type));
}
return(null);
}
public static void WriteIEnumerable(TextWriter writer, object oValueCollection)
{
WriteObjectDelegate toStringFn = null;
writer.Write(JsWriter.ListStartChar);
var valueCollection = (IEnumerable)oValueCollection;
var ranOnce = false;
Type lastType = null;
foreach (var valueItem in valueCollection)
{
if ((toStringFn == null) || (valueItem != null && valueItem.GetType() != lastType))
{
if (valueItem != null)
{
if (valueItem.GetType() != lastType)
{
lastType = valueItem.GetType();
toStringFn = Serializer.GetWriteFn(lastType);
}
}
else
{
// this can happen if the first item in the collection was null
lastType = typeof(object);
toStringFn = Serializer.GetWriteFn(lastType);
}
}
JsWriter.WriteItemSeperatorIfRanOnce(writer, ref ranOnce);
toStringFn(writer, valueItem);
}
writer.Write(JsWriter.ListEndChar);
}
internal static object StringToType(
TypeConfig typeConfig,
StringSegment strType,
EmptyCtorDelegate ctorFn,
Dictionary <HashedStringSegment, TypeAccessor> typeAccessorMap)
{
var index = 0;
var type = typeConfig.Type;
if (!strType.HasValue)
{
return(null);
}
var buffer = strType.Buffer;
var offset = strType.Offset;
var strTypeLength = strType.Length;
//if (!Serializer.EatMapStartChar(strType, ref index))
for (; index < strTypeLength; index++)
{
if (!JsonUtils.IsWhiteSpace(buffer[offset + index]))
{
break;
}
} //Whitespace inline
if (buffer[offset + index] != JsWriter.MapStartChar)
{
throw DeserializeTypeRef.CreateSerializationError(type, strType.Value);
}
index++;
if (JsonTypeSerializer.IsEmptyMap(strType, index))
{
return(ctorFn());
}
object instance = null;
var propertyResolver = JsConfig.PropertyConvention == PropertyConvention.Lenient
? ParseUtils.LenientPropertyNameResolver
: ParseUtils.DefaultPropertyNameResolver;
while (index < strTypeLength)
{
var propertyName = JsonTypeSerializer.ParseJsonString(strType, ref index);
//Serializer.EatMapKeySeperator(strType, ref index);
for (; index < strTypeLength; index++)
{
if (!JsonUtils.IsWhiteSpace(buffer[offset + index]))
{
break;
}
} //Whitespace inline
if (strTypeLength != index)
{
index++;
}
var propertyValueStr = Serializer.EatValue(strType, ref index);
var possibleTypeInfo = propertyValueStr != null && propertyValueStr.Length > 1;
//if we already have an instance don't check type info, because then we will have a half deserialized object
//we could throw here or just use the existing instance.
if (instance == null && possibleTypeInfo && propertyName == typeAttr)
{
var explicitTypeName = Serializer.ParseString(propertyValueStr);
var explicitType = JsConfig.TypeFinder(explicitTypeName);
if (explicitType == null || explicitType.IsInterface || explicitType.IsAbstract)
{
Tracer.Instance.WriteWarning("Could not find type: " + propertyValueStr);
}
else if (!type.IsAssignableFrom(explicitType))
{
Tracer.Instance.WriteWarning("Could not assign type: " + propertyValueStr);
}
else
{
JsWriter.AssertAllowedRuntimeType(explicitType);
instance = explicitType.CreateInstance();
}
if (instance != null)
{
//If __type info doesn't match, ignore it.
if (!type.IsInstanceOfType(instance))
{
instance = null;
}
else
{
var derivedType = instance.GetType();
if (derivedType != type)
{
var derivedTypeConfig = new TypeConfig(derivedType);
var map = DeserializeTypeRef.GetTypeAccessorMap(derivedTypeConfig, Serializer);
if (map != null)
{
typeAccessorMap = map;
}
}
}
}
Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
continue;
}
if (instance == null)
{
instance = ctorFn();
}
var typeAccessor = propertyResolver.GetTypeAccessorForProperty(propertyName, typeAccessorMap);
var propType = possibleTypeInfo && propertyValueStr.GetChar(0) == '_' ? TypeAccessor.ExtractType(Serializer, propertyValueStr) : null;
if (propType != null)
{
try
{
if (typeAccessor != null)
{
//var parseFn = Serializer.GetParseFn(propType);
var parseFn = JsonReader.GetParseStringSegmentFn(propType);
var propertyValue = parseFn(propertyValueStr);
if (typeConfig.OnDeserializing != null)
{
propertyValue = typeConfig.OnDeserializing(instance, propertyName.Value, propertyValue);
}
typeAccessor.SetProperty(instance, propertyValue);
}
//Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
for (; index < strTypeLength; index++)
{
if (!JsonUtils.IsWhiteSpace(buffer[offset + index]))
{
break;
}
} //Whitespace inline
if (index != strTypeLength)
{
var success = buffer[offset + index] == JsWriter.ItemSeperator || buffer[offset + index] == JsWriter.MapEndChar;
index++;
if (success)
{
for (; index < strTypeLength; index++)
{
if (!JsonUtils.IsWhiteSpace(buffer[offset + index]))
{
break;
}
} //Whitespace inline
}
}
continue;
}
catch (Exception e)
{
JsConfig.OnDeserializationError?.Invoke(instance, propType, propertyName.Value, propertyValueStr.Value, e);
if (JsConfig.ThrowOnDeserializationError)
{
throw DeserializeTypeRef.GetSerializationException(propertyName.Value, propertyValueStr.Value, propType, e);
}
else
{
Tracer.Instance.WriteWarning("WARN: failed to set dynamic property {0} with: {1}", propertyName, propertyValueStr.Value);
}
}
}
if (typeAccessor?.GetProperty != null && typeAccessor.SetProperty != null)
{
try
{
var propertyValue = typeAccessor.GetProperty(propertyValueStr);
if (typeConfig.OnDeserializing != null)
{
propertyValue = typeConfig.OnDeserializing(instance, propertyName.Value, propertyValue);
}
typeAccessor.SetProperty(instance, propertyValue);
}
catch (NotSupportedException) { throw; }
catch (Exception e)
{
JsConfig.OnDeserializationError?.Invoke(instance, propType ?? typeAccessor.PropertyType, propertyName.Value, propertyValueStr.Value, e);
if (JsConfig.ThrowOnDeserializationError)
{
throw DeserializeTypeRef.GetSerializationException(propertyName.Value, propertyValueStr.Value, typeAccessor.PropertyType, e);
}
else
{
Tracer.Instance.WriteWarning("WARN: failed to set property {0} with: {1}", propertyName, propertyValueStr.Value);
}
}
}
else
{
// the property is not known by the DTO
typeConfig.OnDeserializing?.Invoke(instance, propertyName.Value, propertyValueStr.Value);
}
//Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
for (; index < strTypeLength; index++)
{
if (!JsonUtils.IsWhiteSpace(buffer[offset + index]))
{
break;
}
} //Whitespace inline
if (index != strType.Length)
{
var success = buffer[offset + index] == JsWriter.ItemSeperator || buffer[offset + index] == JsWriter.MapEndChar;
index++;
if (success)
{
for (; index < strTypeLength; index++)
{
if (!JsonUtils.IsWhiteSpace(buffer[offset + index]))
{
break;
}
} //Whitespace inline
}
}
}
return(instance);
}
public static void WriteGenericIDictionary(
TextWriter writer,
IDictionary <TKey, TValue> map,
WriteObjectDelegate writeKeyFn,
WriteObjectDelegate writeValueFn)
{
if (map == null)
{
writer.Write(JsonUtils.Null);
return;
}
writer.Write(JsWriter.MapStartChar);
var encodeMapKey = Serializer.GetTypeInfo(typeof(TKey)).EncodeMapKey;
var ranOnce = false;
foreach (var kvp in map)
{
var isNull = (kvp.Value == null);
if (isNull && !Serializer.IncludeNullValuesInDictionaries)
{
continue;
}
JsWriter.WriteItemSeperatorIfRanOnce(writer, ref ranOnce);
JsState.WritingKeyCount++;
try
{
if (encodeMapKey)
{
JsState.IsWritingValue = true; //prevent ""null""
try
{
writer.Write(JsWriter.QuoteChar);
writeKeyFn(writer, kvp.Key);
writer.Write(JsWriter.QuoteChar);
}
finally
{
JsState.IsWritingValue = false;
}
}
else
{
writeKeyFn(writer, kvp.Key);
}
}
finally
{
JsState.WritingKeyCount--;
}
writer.Write(JsWriter.MapKeySeperator);
if (isNull)
{
writer.Write(JsonUtils.Null);
}
else
{
JsState.IsWritingValue = true;
try
{
writeValueFn(writer, kvp.Value);
}
finally
{
JsState.IsWritingValue = false;
}
}
}
writer.Write(JsWriter.MapEndChar);
}
public static void WriteIDictionary(TextWriter writer, object oMap)
{
WriteObjectDelegate writeKeyFn = null;
WriteObjectDelegate writeValueFn = null;
writer.Write(JsWriter.MapStartChar);
var encodeMapKey = false;
Type lastKeyType = null;
Type lastValueType = null;
var map = (IDictionary)oMap;
var ranOnce = false;
foreach (var key in map.Keys)
{
var dictionaryValue = map[key];
var isNull = (dictionaryValue == null);
if (isNull && !Serializer.IncludeNullValuesInDictionaries)
{
continue;
}
var keyType = key.GetType();
if (writeKeyFn == null || lastKeyType != keyType)
{
lastKeyType = keyType;
writeKeyFn = Serializer.GetWriteFn(keyType);
encodeMapKey = Serializer.GetTypeInfo(keyType).EncodeMapKey;
}
JsWriter.WriteItemSeperatorIfRanOnce(writer, ref ranOnce);
JsState.WritingKeyCount++;
try
{
if (encodeMapKey)
{
JsState.IsWritingValue = true; //prevent ""null""
try
{
writer.Write(JsWriter.QuoteChar);
writeKeyFn(writer, key);
writer.Write(JsWriter.QuoteChar);
}
finally
{
JsState.IsWritingValue = false;
}
}
else
{
writeKeyFn(writer, key);
}
}
finally
{
JsState.WritingKeyCount--;
}
writer.Write(JsWriter.MapKeySeperator);
if (isNull)
{
writer.Write(JsonUtils.Null);
}
else
{
var valueType = dictionaryValue.GetType();
if (writeValueFn == null || lastValueType != valueType)
{
lastValueType = valueType;
writeValueFn = Serializer.GetWriteFn(valueType);
}
JsState.IsWritingValue = true;
try
{
writeValueFn(writer, dictionaryValue);
}
finally
{
JsState.IsWritingValue = false;
}
}
}
writer.Write(JsWriter.MapEndChar);
}