private void FillObject(ref object obj, Literacy lit, string json) { if (json == null || json.Length == 0) { return; } unsafe { fixed (char* p = json) { UnsafeJsonReader reader = new UnsafeJsonReader(p, json.Length); if (reader.IsEnd()) { return; } if (reader.Current == '{') { reader.MoveNext(); if (obj == null) { obj = new Dictionary<string, object>(); lit = Literacy.Cache(typeof(Dictionary<string, object>), true); } FillObject(obj, lit, reader); if (reader.Current != '}') { ThrowMissingCharException('}'); } } else if (reader.Current == '[') { reader.MoveNext(); if (obj == null) { obj = new ArrayList(); FillList((IList)obj, typeof(object), reader); } else if (obj is ArrayList) { FillList((IList)obj, lit.Type, reader); } else { var st = GenericCollection.GetList(lit.Type); if (st == null) { ThrowNoIList(lit.Type); } FillList((IList)obj, st.ElementType, reader); } if (reader.Current != ']') { ThrowMissingCharException(']'); } } else { ThrowException("起始字符:" + reader.Current); } reader.MoveNext(); if (reader.IsEnd()) { reader.Dispose(); } else { ThrowException("错误的结束字符:" + reader.Current); } } } }
/// <summary> 跳过一个值 /// </summary> /// <param name="reader"></param> private static void SkipValue(UnsafeJsonReader reader) { switch (reader.Current) { case '[': reader.MoveNext(); if (reader.SkipChar(']')) { return; } do { SkipValue(reader); } while (reader.SkipChar(',')); if (reader.Current != ']') { ThrowException("缺少闭合的 ]"); } reader.MoveNext(); break; case '{': reader.MoveNext(); if (reader.SkipChar('}')) { return; } do { SkipKey(reader); SkipValue(reader); } while (reader.SkipChar(',')); if (reader.Current != '}') { ThrowException("缺少闭合的 }"); } reader.MoveNext(); break; case '"': case '\'': reader.SkipString(); break; default: reader.ReadConsts(); break; } }
/// <summary> 读取一个值对象 /// </summary> /// <param name="reader"></param> /// <param name="type"></param> /// <returns></returns> private object ReadValue(UnsafeJsonReader reader, Type type) { if (reader.IsEnd()) { ThrowException("字符串意外结束!"); } var c = reader.Current; switch (c) { case '[': reader.MoveNext(); var array = ReadArray(reader, type); if (reader.Current != ']') { ThrowException("缺少闭合的 ]"); } reader.MoveNext(); return(array); case '{': reader.MoveNext(); var obj = ReadObject(reader, type); if (reader.Current != '}') { ThrowException("缺少闭合的 }"); } reader.MoveNext(); return(obj); case '"': case '\'': { if (type == typeof(DateTime)) { return(reader.ReadDateTime()); } return(ParseString(reader, type)); } default: { object val = reader.ReadConsts(); return(ChangeType(val, type)); } } }
/// <summary> 将字符串解析为指定类型 /// </summary> /// <param name="reader"></param> /// <param name="type"></param> /// <returns></returns> private static object ParseString(UnsafeJsonReader reader, Type type) { string str; var typecode = Type.GetTypeCode(type); if ((typecode >= TypeCode.SByte && typecode <= TypeCode.Decimal) || typecode == TypeCode.Boolean) { if (type.IsSubclassOf(typeof(Enum))) { return Enum.Parse(type, reader.ReadString()); } char quot = reader.Current; reader.MoveNext(); var val = ChangeType(reader.ReadConsts(), type); if (reader.SkipChar(quot) == false) { ThrowMissingCharException(quot); } return val; } switch (typecode) { case TypeCode.DateTime: return reader.ReadDateTime(); case TypeCode.Object: str = reader.ReadString(); if (type == typeof(Guid)) { if (str.Length > 30)//这个是从fastJson学来的 =^_^= { return new Guid(str); } return new Guid(Convert.FromBase64String(str)); } if (type == typeof(Object)) { return str; } throw new Exception(); case TypeCode.Char: return Char.Parse(reader.ReadString()); case TypeCode.String: return reader.ReadString(); case TypeCode.DBNull: str = reader.ReadString(); if (str.Length == 0 || str == "null" || str == "undefined" || string.IsNullOrEmpty(str)) { return DBNull.Value; } throw new Exception(); default: return ChangeType(reader.ReadString(), type); } }
/// <summary> 读取一个值对象 /// </summary> /// <param name="reader"></param> /// <param name="type"></param> /// <returns></returns> private object ReadValue(UnsafeJsonReader reader, Type type) { if (reader.IsEnd()) { ThrowException("字符串意外结束!"); } var c = reader.Current; switch (c) { case '[': reader.MoveNext(); var array = ReadArray(reader, type); if (reader.Current != ']') { ThrowException("缺少闭合的 ]"); } reader.MoveNext(); return array; case '{': reader.MoveNext(); var obj = ReadObject(reader, type); if (reader.Current != '}') { ThrowException("缺少闭合的 }"); } reader.MoveNext(); return obj; case '"': case '\'': { if (type == typeof(DateTime)) { return reader.ReadDateTime(); } return ParseString(reader, type); } default: { object val = reader.ReadConsts(); return ChangeType(val, type); } } }
private void FillObject(ref object obj, Literacy lit, string json) { if (json == null || json.Length == 0) { return; } unsafe { fixed(char *p = json) { UnsafeJsonReader reader = new UnsafeJsonReader(p, json.Length); if (reader.IsEnd()) { return; } if (reader.Current == '{') { reader.MoveNext(); if (obj == null) { obj = new Dictionary <string, object>(); lit = Literacy.Cache(typeof(Dictionary <string, object>), true); } FillObject(obj, lit, reader); if (reader.Current != '}') { ThrowMissingCharException('}'); } } else if (reader.Current == '[') { reader.MoveNext(); if (obj == null) { obj = new ArrayList(); FillList((IList)obj, typeof(object), reader); } else if (obj is ArrayList) { FillList((IList)obj, lit.Type, reader); } else { var st = GenericCollection.GetList(lit.Type); if (st == null) { ThrowNoIList(lit.Type); } FillList((IList)obj, st.ElementType, reader); } if (reader.Current != ']') { ThrowMissingCharException(']'); } } else { ThrowException("起始字符:" + reader.Current); } reader.MoveNext(); if (reader.IsEnd()) { reader.Dispose(); } else { ThrowException("错误的结束字符:" + reader.Current); } } } }
/// <summary> 将字符串解析为指定类型 /// </summary> /// <param name="reader"></param> /// <param name="type"></param> /// <returns></returns> private static object ParseString(UnsafeJsonReader reader, Type type) { string str; var typecode = Type.GetTypeCode(type); if ((typecode >= TypeCode.SByte && typecode <= TypeCode.Decimal) || typecode == TypeCode.Boolean) { if (type.IsSubclassOf(typeof(Enum))) { return(Enum.Parse(type, reader.ReadString())); } char quot = reader.Current; reader.MoveNext(); var val = ChangeType(reader.ReadConsts(), type); if (reader.SkipChar(quot) == false) { ThrowMissingCharException(quot); } return(val); } switch (typecode) { case TypeCode.DateTime: return(reader.ReadDateTime()); case TypeCode.Object: str = reader.ReadString(); if (type == typeof(Guid)) { if (str.Length > 30) //这个是从fastJson学来的 =^_^= { return(new Guid(str)); } return(new Guid(Convert.FromBase64String(str))); } if (type == typeof(Object)) { return(str); } throw new Exception(); case TypeCode.Char: return(Char.Parse(reader.ReadString())); case TypeCode.String: return(reader.ReadString()); case TypeCode.DBNull: str = reader.ReadString(); if (str.Length == 0 || str == "null" || str == "undefined" || string.IsNullOrEmpty(str)) { return(DBNull.Value); } throw new Exception(); default: return(ChangeType(reader.ReadString(), type)); } }