private bool SerializeArray(Array array, IValueMemberInfo valueMemberInfo)
{
if (array.Rank > 1)
{
return(SerializeMultidimensionalArray(array));
}
int len = array.Length;
if (len == 0)
{
_jsonWriter.WriteStartArray();
_jsonWriter.WriteEndArray();
return(true);
}
var valueMember = valueMemberInfo.ExtendedValueInfo;
if (valueMember.IsType)
{
return(SerializeIListTyped(array, len, valueMember));
}
//no typed.
return(SerializeIListUnTyped(array, len, valueMember));
}
private bool SerializeIListTyped(IList list, int len, IValueMemberInfo valueMemberInfo)
{
_jsonWriter.WriteStartArray();
try
{
//one type
for (var i = 0; i < len; i++)
{
if (i > 0)
{
_jsonWriter.WriteComma();
}
var value = list[i];
if (value == null)
{
_jsonWriter.WriteNull();
}
else if (!WriteObjectValue(value, valueMemberInfo))
{
return(false);
}
}
}
finally
{
_jsonWriter.WriteEndArray();
}
return(true);
}
private bool WriteObjectValue(object value, IValueMemberInfo valueMemberInfo)
{
var writeFunc = valueMemberInfo.WriteDelegate;
if (writeFunc != null)
{
writeFunc(_jsonWriter, value);
return(true);
}
return(SerializeNonPrimitiveValue(value, valueMemberInfo));
}
private bool SerializeCustomObject(object value, IValueMemberInfo valueMemberInfo)
{
IValueMemberInfo[] obj = valueMemberInfo.GetCustomObjectMemberInfo();
if (obj != null)
{
return(this.SerializeValueMemberInfo(value, obj));
}
else
{
_jsonWriter.WriteNull();
return(true);//was false but when false prevent continuing.
}
}
private void CheckForExtendedValueInfo()
{
var code = this.Code;
if (!TypeSerializerUtils.HasExtendedValueInformation(code))
{
return;
}
Type type = null;
//array?
if (code == TypeSerializerUtils.TypeCode.Array)
{
type = ObjectType.GetElementType();
}
#if !NETCOREAPP1_0
else if (ObjectType.IsGenericType)
#else
else if (ObjectType.GetTypeInfo().IsGenericType)
#endif
{
//generic list / dictionary
var args = ObjectType.GetGenericArguments();
var len = args.Length;
if (len == 2)
{
//key value pair
//need to check if key is string
var keyCodeType = TypeSerializerUtils.GetTypeCode(args[0]);
if (keyCodeType != TypeSerializerUtils.TypeCode.String)
{
_errored = true;
return;
}
type = args[1];
}
else if (len == 1)
{
//value only
type = args[0];
}
}
ExtendedValueInfo = new ValueMemberInfo(type ?? typeof(object));
}
private bool SerializeGenericDictionary(IDictionary values, IValueMemberInfo valueMemberInfo)
{
if (values.Count == 0)
{
_jsonWriter.WriteStartObject();
_jsonWriter.WriteEndObject();
return(true);
}
// Manual use of IDictionaryEnumerator instead of foreach to avoid DictionaryEntry box allocations.
IDictionaryEnumerator e = values.GetEnumerator();
var valueMember = valueMemberInfo.ExtendedValueInfo;
_jsonWriter.WriteStartObject();
try
{
while (e.MoveNext())
{
DictionaryEntry entry = e.Entry;
string name = entry.Key.ToString();
if (!name.IsNullOrEmpty())
{
_jsonWriter.WritePropertyName(name, true);
var value = entry.Value;
if (value == null)
{
_jsonWriter.WriteNull();
}
else if (!WriteObjectValue(value, valueMember))
{
return(false);
}
}
}
}
finally
{
_jsonWriter.WriteEndObject();
}
return(true);
}
private bool SerializeIListUnTyped(IList list, int len, IValueMemberInfo valueMemberInfo)
{
Type lastType = null;
_jsonWriter.WriteStartArray();
try
{
//dynamic types
for (var i = 0; i < len; i++)
{
if (i > 0)
{
_jsonWriter.WriteComma();
}
var value = list[i];
if (value == null)
{
_jsonWriter.WriteNull();
}
else
{
var valueType = value.GetType();
if (lastType != valueType)
{
lastType = valueType;
valueMemberInfo = new ValueMemberInfo(valueType);
}
if (!WriteObjectValue(value, valueMemberInfo))
{
return(false);
}
}
}
}
finally
{
_jsonWriter.WriteEndArray();
}
return(true);
}
private bool SerializeList(System.Collections.IList list, IValueMemberInfo valueMemberInfo)
{
int len = list.Count;
if (len == 0)
{
_jsonWriter.WriteStartArray();
_jsonWriter.WriteEndArray();
return(true);
}
IValueMemberInfo valueMember = valueMemberInfo.ExtendedValueInfo;
if (valueMember.IsType)
{
return(SerializeIListTyped(list, len, valueMember));
}
//no typed.
return(SerializeIListUnTyped(list, len, valueMember));
}
private bool SerializeNonPrimitiveValue(object value, IValueMemberInfo valueMemberInfo)
{
//this prevents recursion
if (_cirobj.IsReferenced(value) && _currentDepth > 0)
{
//_circular = true;
_jsonWriter.WriteNull();
return(true);
}
_currentDepth++;
//recursion limit or max char length
if (_currentDepth >= _options.RecursionLimit)
{
_currentDepth--;
_jsonWriter.WriteNull();
return(true);
}
try
{
switch (valueMemberInfo.Code)
{
case TypeSerializerUtils.TypeCode.CustomObject:
{
return(SerializeCustomObject(value, valueMemberInfo));
}
case TypeSerializerUtils.TypeCode.Array:
{
return(SerializeArray((Array)value, valueMemberInfo));
}
case TypeSerializerUtils.TypeCode.IList:
{
return(SerializeList((IList)value, valueMemberInfo));
}
case TypeSerializerUtils.TypeCode.Enumerable:
{
return(this.SerializeEnumerable((IEnumerable)value, valueMemberInfo));
}
case TypeSerializerUtils.TypeCode.Dictionary:
{
return(SerializeNonGenericDictionary((IDictionary)value));
}
case TypeSerializerUtils.TypeCode.GenericDictionary:
{
return(SerializeGenericDictionary((IDictionary)value, valueMemberInfo));
}
case TypeSerializerUtils.TypeCode.NameValueCollection:
{
return(this.SerializeNameValueCollection((NameValueCollection)value));
}
case TypeSerializerUtils.TypeCode.DataSet:
{
return(SerializeDataSet((System.Data.DataSet)value));
}
case TypeSerializerUtils.TypeCode.DataTable:
{
return(SerializeDataTable((System.Data.DataTable)value));
}
default:
{
throw new NotImplementedException(valueMemberInfo.Code.ToString());
}
}
}
finally
{
_currentDepth--;
}
}
private bool SerializeEnumerable(IEnumerable values, IValueMemberInfo valueMemberInfo)
{
Type lastType = null;
bool flag1 = true;
bool isTyped = false;
ValueMemberInfo valueMember = null;
_jsonWriter.WriteStartArray();
try
{
var e = values.GetEnumerator();
// note that an error in the IEnumerable won't be caught
while (e.MoveNext())
{
var value = e.Current;
if (!flag1)
{
_jsonWriter.WriteComma();
}
else
{
//first record.
var valueType = GetEnumerableValueType(values, valueMemberInfo.ObjectType);
if (valueType != typeof(object))
{
valueMember = new ValueMemberInfo(valueType);
isTyped = true;
}
flag1 = false;
}
if (value == null)
{
_jsonWriter.WriteNull();
}
else
{
if (!isTyped)
{
//is not generic
var valueType = value.GetType();
if (valueType != lastType)
{
lastType = valueMemberInfo.ObjectType;
valueMember = new ValueMemberInfo(valueType);
}
}
if (!WriteObjectValue(value, valueMember))
{
return(false);
}
}
}
}
finally
{
_jsonWriter.WriteEndArray();
}
return(true);
}
private bool SerializeMultidimensionalArray(Array values, int[] indices)
{
bool flag = true;
int dimension = indices.Length;
int[] newIndices = new int[dimension + 1];
for (int i = 0; i < dimension; i++)
{
newIndices[i] = indices[i];
}
Type lastTypeCode = null;
IValueMemberInfo valueMember = null;
_jsonWriter.WriteStartArray();
try
{
for (int i = values.GetLowerBound(dimension); i <= values.GetUpperBound(dimension); i++)
{
newIndices[dimension] = i;
bool isTopLevel = (newIndices.Length == values.Rank);
if (isTopLevel)
{
object value = values.GetValue(newIndices);
if (!flag)
{
_jsonWriter.WriteComma();
}
else
{
flag = false;
}
if (value == null)
{
_jsonWriter.WriteNull();
}
else
{
var typeCode = value.GetType();
if (lastTypeCode != typeCode)
{
lastTypeCode = typeCode;
valueMember = new ValueMemberInfo(typeCode);
}
if (!WriteObjectValue(value, valueMember))
{
return(false);
}
}
}
else
{
if (i != 0)
{
_jsonWriter.WriteComma();
}
SerializeMultidimensionalArray(values, newIndices);
}
}
}
finally
{
_jsonWriter.WriteEndArray();
}
return(true);
}
