internal void Serialize(object obj, System.Text.StringBuilder output, JavaScriptSerializer.SerializationFormat serializationFormat)
{
this.SerializeValue(obj, output, 0, null, serializationFormat);
if (output.Length > this.MaxJsonLength)
{
throw new System.InvalidOperationException("结果记录数太大，请调整查询条件后重试");
}
}
private void SerializeValueInternal(object o, System.Text.StringBuilder sb, int depth, System.Collections.Hashtable objectsInUse, JavaScriptSerializer.SerializationFormat serializationFormat)
{
if (o == null || System.DBNull.Value.Equals(o))
{
sb.Append("null");
}
else
{
string text = o as string;
if (text != null)
{
JavaScriptSerializer.SerializeString(text, sb);
}
else if (o is char)
{
if ((char)o == '\0')
{
sb.Append("null");
}
else
{
JavaScriptSerializer.SerializeString(o.ToString(), sb);
}
}
else if (o is bool)
{
JavaScriptSerializer.SerializeBoolean((bool)o, sb);
}
else if (o is System.DateTime)
{
JavaScriptSerializer.SerializeDateTime((System.DateTime)o, sb, serializationFormat);
}
else if (o is System.TimeSpan)
{
JavaScriptSerializer.SerializeDateTime(System.Convert.ToDateTime(o.ToString()), sb, serializationFormat);
}
else if (o is ulong)
{
JavaScriptSerializer.SerializeCuid((ulong)o, sb);
}
else if (o is long && serializationFormat == JavaScriptSerializer.SerializationFormat.JavaScript)
{
JavaScriptSerializer.SerializeCuidForSqlServer((long)o, sb);
}
else if (o is System.Guid)
{
JavaScriptSerializer.SerializeGuid((System.Guid)o, sb);
}
else if (o is RawText)
{
sb.Append(((RawText)o).Value);
}
else
{
Uri uri = o as Uri;
if (uri != null)
{
JavaScriptSerializer.SerializeUri(uri, sb);
}
else if (o is double)
{
sb.Append(((double)o).ToString("r", System.Globalization.CultureInfo.InvariantCulture));
}
else if (o is float)
{
sb.Append(((float)o).ToString("r", System.Globalization.CultureInfo.InvariantCulture));
}
else if (o.GetType().IsPrimitive || o is decimal)
{
System.IConvertible convertible = o as System.IConvertible;
if (convertible == null)
{
throw new System.InvalidOperationException();
}
sb.Append(convertible.ToString(System.Globalization.CultureInfo.InvariantCulture));
}
else
{
System.Type type = o.GetType();
if (type.IsEnum)
{
sb.Append((int)o);
}
else
{
try
{
if (objectsInUse == null)
{
objectsInUse = new System.Collections.Hashtable(new JavaScriptSerializer.ReferenceComparer());
}
else if (objectsInUse.ContainsKey(o))
{
throw new System.InvalidOperationException(string.Format(System.Globalization.CultureInfo.CurrentCulture, "A circular reference was detected while serializing an object of type '{0}'.", new object[]
{
type.FullName
}));
}
objectsInUse.Add(o, null);
System.Collections.IDictionary dictionary = o as System.Collections.IDictionary;
if (dictionary != null)
{
this.SerializeDictionary(dictionary, sb, depth, objectsInUse, serializationFormat);
}
else
{
System.Collections.IEnumerable enumerable = o as System.Collections.IEnumerable;
if (enumerable != null)
{
this.SerializeEnumerable(enumerable, sb, depth, objectsInUse, serializationFormat);
}
else
{
this.SerializeCustomObject(o, sb, depth, objectsInUse, serializationFormat);
}
}
}
finally
{
if (objectsInUse != null)
{
objectsInUse.Remove(o);
}
}
}
}
}
}
}
private void SerializeValue(object o, System.Text.StringBuilder sb, int depth, System.Collections.Hashtable objectsInUse, JavaScriptSerializer.SerializationFormat serializationFormat)
{
if (++depth > this._recursionLimit)
{
throw new System.ArgumentException("RecursionLimit exceeded.");
}
JavaScriptConverter javaScriptConverter = null;
if (o != null && this.ConverterExistsForType(o.GetType(), out javaScriptConverter))
{
System.Collections.Generic.IDictionary <string, object> dictionary = javaScriptConverter.Serialize(o, this);
if (this.TypeResolver != null)
{
string text = this.TypeResolver.ResolveTypeId(o.GetType());
if (text != null)
{
dictionary["__type"] = text;
}
}
sb.Append(this.Serialize(dictionary, serializationFormat));
}
else
{
if (o is DataTable)
{
o = null;
}
else if (o is DataRow)
{
o = null;
}
this.SerializeValueInternal(o, sb, depth, objectsInUse, serializationFormat);
}
}
private void SerializeEnumerable(System.Collections.IEnumerable enumerable, System.Text.StringBuilder sb, int depth, System.Collections.Hashtable objectsInUse, JavaScriptSerializer.SerializationFormat serializationFormat)
{
sb.Append('[');
bool flag = true;
System.Collections.Generic.List <object> list = new System.Collections.Generic.List <object>();
foreach (object current in enumerable)
{
list.Add(current);
}
for (int i = 0; i < list.Count; i++)
{
if (!flag)
{
sb.Append(',');
}
this.SerializeValue(list[i], sb, depth, objectsInUse, serializationFormat);
flag = false;
}
sb.Append(']');
}
private void SerializeDictionary(System.Collections.IDictionary o, System.Text.StringBuilder sb, int depth, System.Collections.Hashtable objectsInUse, JavaScriptSerializer.SerializationFormat serializationFormat)
{
sb.Append('{');
bool flag = true;
System.Collections.DictionaryEntry[] array = new System.Collections.DictionaryEntry[o.Count];
o.CopyTo(array, 0);
for (int i = 0; i < array.Length; i++)
{
System.Collections.DictionaryEntry dictionaryEntry = array[i];
if (!flag)
{
sb.Append(',');
}
string text = dictionaryEntry.Key as string;
if (text == null)
{
throw new System.ArgumentException(string.Format(System.Globalization.CultureInfo.InvariantCulture, "Type '{0}' is not supported for serialization/deserialization of a dictionary, keys must be strings or objects.", new object[]
{
o.GetType().FullName
}));
}
JavaScriptSerializer.SerializeString((string)dictionaryEntry.Key, sb);
sb.Append(':');
this.SerializeValue(dictionaryEntry.Value, sb, depth, objectsInUse, serializationFormat);
flag = false;
}
sb.Append('}');
}
private void SerializeCustomObject(object o, System.Text.StringBuilder sb, int depth, System.Collections.Hashtable objectsInUse, JavaScriptSerializer.SerializationFormat serializationFormat)
{
bool flag = true;
System.Type type = o.GetType();
sb.Append('{');
if (this.TypeResolver != null)
{
string text = this.TypeResolver.ResolveTypeId(type);
if (text != null)
{
JavaScriptSerializer.SerializeString("__type", sb);
sb.Append(':');
this.SerializeValue(text, sb, depth, objectsInUse, serializationFormat);
flag = false;
}
}
EntityClassAttribute entityClassAttribute = JavaScriptSerializer.GetEntityClassAttribute(type);
System.Reflection.FieldInfo[] fields = type.GetFields(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
System.Reflection.FieldInfo[] array = fields;
for (int i = 0; i < array.Length; i++)
{
System.Reflection.FieldInfo fieldInfo = array[i];
if (!fieldInfo.IsDefined(typeof(ScriptIgnoreAttribute), true))
{
if (!flag)
{
sb.Append(',');
}
JavaScriptSerializer.SerializeString(JavaScriptSerializer.GetPropertyKey(fieldInfo, entityClassAttribute), sb);
sb.Append(':');
this.SerializeValue(fieldInfo.GetValue(o), sb, depth, objectsInUse, serializationFormat);
flag = false;
}
}
System.Reflection.PropertyInfo[] properties = type.GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.GetProperty);
System.Reflection.PropertyInfo[] array2 = properties;
for (int i = 0; i < array2.Length; i++)
{
System.Reflection.PropertyInfo propertyInfo = array2[i];
if (!propertyInfo.IsDefined(typeof(ScriptIgnoreAttribute), true))
{
System.Reflection.MethodInfo getMethod = propertyInfo.GetGetMethod();
if (!(getMethod == null))
{
if (getMethod.GetParameters().Length <= 0)
{
if (!flag)
{
sb.Append(',');
}
JavaScriptSerializer.SerializeString(JavaScriptSerializer.GetPropertyKey(propertyInfo, entityClassAttribute), sb);
sb.Append(':');
this.SerializeValue(getMethod.Invoke(o, null), sb, depth, objectsInUse, serializationFormat);
flag = false;
}
}
}
}
sb.Append('}');
}
private static void SerializeDateTime(System.DateTime datetime, System.Text.StringBuilder sb, JavaScriptSerializer.SerializationFormat serializationFormat)
{
if (serializationFormat == JavaScriptSerializer.SerializationFormat.JSON)
{
sb.Append("\"\\/Date(");
sb.Append(((datetime.ToUniversalTime()).Ticks - JavaScriptSerializer.DatetimeMinTimeTicks) / 10000L);
sb.Append(")\\/\"");
}
else
{
sb.Append("new Date(");
sb.Append(((datetime.ToUniversalTime()).Ticks - JavaScriptSerializer.DatetimeMinTimeTicks) / 10000L);
sb.Append(")");
}
}
public string Serialize(object obj, JavaScriptSerializer.SerializationFormat serializationFormat)
{
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder();
this.Serialize(obj, stringBuilder, serializationFormat);
return(stringBuilder.ToString());
}
