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private static GetColumnDataType ( JsonToken tokenType ) : |
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| tokenType | JsonToken | |
| Résultat | ||
// Token: 0x06001499 RID: 5273 RVA: 0x0006D498 File Offset: 0x0006B698
private static Type GetColumnDataType(JsonReader reader)
{
JsonToken tokenType = reader.TokenType;
switch (tokenType)
{
case JsonToken.StartArray:
reader.ReadAndAssert();
if (reader.TokenType == JsonToken.StartObject)
{
return(typeof(DataTable));
}
return(DataTableConverter.GetColumnDataType(reader).MakeArrayType());
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.String:
case JsonToken.Boolean:
case JsonToken.Date:
case JsonToken.Bytes:
return(reader.ValueType);
case JsonToken.Null:
case JsonToken.Undefined:
case JsonToken.EndArray:
return(typeof(string));
}
throw JsonSerializationException.Create(reader, "Unexpected JSON token when reading DataTable: {0}".FormatWith(CultureInfo.InvariantCulture, tokenType));
}
// Token: 0x06001498 RID: 5272 RVA: 0x0006D2E0 File Offset: 0x0006B4E0
private static void CreateRow(JsonReader reader, DataTable dt, JsonSerializer serializer)
{
DataRow dataRow = dt.NewRow();
reader.ReadAndAssert();
while (reader.TokenType == JsonToken.PropertyName)
{
string text = (string)reader.Value;
reader.ReadAndAssert();
DataColumn dataColumn = dt.Columns[text];
if (dataColumn == null)
{
Type columnDataType = DataTableConverter.GetColumnDataType(reader);
dataColumn = new DataColumn(text, columnDataType);
dt.Columns.Add(dataColumn);
}
if (dataColumn.DataType == typeof(DataTable))
{
if (reader.TokenType == JsonToken.StartArray)
{
reader.ReadAndAssert();
}
DataTable dataTable = new DataTable();
while (reader.TokenType != JsonToken.EndArray)
{
DataTableConverter.CreateRow(reader, dataTable, serializer);
reader.ReadAndAssert();
}
dataRow[text] = dataTable;
}
else if (dataColumn.DataType.IsArray && dataColumn.DataType != typeof(byte[]))
{
if (reader.TokenType == JsonToken.StartArray)
{
reader.ReadAndAssert();
}
List <object> list = new List <object>();
while (reader.TokenType != JsonToken.EndArray)
{
list.Add(reader.Value);
reader.ReadAndAssert();
}
Array array = Array.CreateInstance(dataColumn.DataType.GetElementType(), list.Count);
((ICollection)list).CopyTo(array, 0);
dataRow[text] = array;
}
else
{
object value = (reader.Value != null) ? (serializer.Deserialize(reader, dataColumn.DataType) ?? DBNull.Value) : DBNull.Value;
dataRow[text] = value;
}
reader.ReadAndAssert();
}
dataRow.EndEdit();
dt.Rows.Add(dataRow);
}
private static void CreateRow(JsonReader reader, DataTable dt)
{
DataRow dataRow = dt.NewRow();
reader.Read();
while (reader.TokenType == JsonToken.PropertyName)
{
string text = (string)reader.Value;
reader.Read();
DataColumn dataColumn = dt.Columns[text];
if (dataColumn == null)
{
Type columnDataType = DataTableConverter.GetColumnDataType(reader);
dataColumn = new DataColumn(text, columnDataType);
dt.Columns.Add(dataColumn);
}
if (dataColumn.DataType == typeof(DataTable))
{
if (reader.TokenType == JsonToken.StartArray)
{
reader.Read();
}
DataTable dataTable = new DataTable();
while (reader.TokenType != JsonToken.EndArray)
{
DataTableConverter.CreateRow(reader, dataTable);
reader.Read();
}
dataRow[text] = dataTable;
}
else if (dataColumn.DataType.IsArray)
{
if (reader.TokenType == JsonToken.StartArray)
{
reader.Read();
}
List <object> list = new List <object>();
while (reader.TokenType != JsonToken.EndArray)
{
list.Add(reader.Value);
reader.Read();
}
Array array = Array.CreateInstance(dataColumn.DataType.GetElementType(), list.Count);
Array.Copy(list.ToArray(), array, list.Count);
dataRow[text] = array;
}
else
{
dataRow[text] = (reader.Value ?? DBNull.Value);
}
reader.Read();
}
dataRow.EndEdit();
dt.Rows.Add(dataRow);
}
private static Type GetColumnDataType(JsonReader reader)
{
JsonToken tokenType = reader.TokenType;
switch (tokenType)
{
case JsonToken.StartArray:
{
reader.Read();
if (reader.TokenType == JsonToken.StartObject)
{
return(typeof(DataTable));
}
Type columnDataType = DataTableConverter.GetColumnDataType(reader);
return(columnDataType.MakeArrayType());
}
case JsonToken.Integer:
return(typeof(long));
case JsonToken.Float:
return(typeof(double));
case JsonToken.String:
case JsonToken.Null:
case JsonToken.Undefined:
return(typeof(string));
case JsonToken.Boolean:
return(typeof(bool));
case JsonToken.Date:
return(typeof(DateTime));
}
throw new JsonException("Unexpected JSON token while reading DataTable: {0}".FormatWith(CultureInfo.InvariantCulture, tokenType));
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
DataTable dataTable;
if (reader.TokenType == JsonToken.PropertyName)
{
dataTable = new DataTable((string)reader.Value);
reader.Read();
}
else
{
dataTable = new DataTable();
}
reader.Read();
while (reader.TokenType == JsonToken.StartObject)
{
DataRow row = dataTable.NewRow();
reader.Read();
while (reader.TokenType == JsonToken.PropertyName)
{
string index = (string)reader.Value;
reader.Read();
if (!dataTable.Columns.Contains(index))
{
Type columnDataType = DataTableConverter.GetColumnDataType(reader.TokenType);
dataTable.Columns.Add(new DataColumn(index, columnDataType));
}
row[index] = reader.Value ?? (object)DBNull.Value;
reader.Read();
}
row.EndEdit();
dataTable.Rows.Add(row);
reader.Read();
}
return((object)dataTable);
}
private static void CreateRow(JsonReader reader, DataTable dt, JsonSerializer serializer)
{
object value;
DataRow dataRow = dt.NewRow();
reader.ReadAndAssert();
while (reader.TokenType == JsonToken.PropertyName)
{
string str = (string)reader.Value;
reader.ReadAndAssert();
DataColumn item = dt.Columns[str];
if (item == null)
{
item = new DataColumn(str, DataTableConverter.GetColumnDataType(reader));
dt.Columns.Add(item);
}
if (item.DataType == typeof(DataTable))
{
if (reader.TokenType == JsonToken.StartArray)
{
reader.ReadAndAssert();
}
DataTable dataTable = new DataTable();
while (reader.TokenType != JsonToken.EndArray)
{
DataTableConverter.CreateRow(reader, dataTable, serializer);
reader.ReadAndAssert();
}
dataRow[str] = dataTable;
}
else if (!item.DataType.IsArray || !(item.DataType != typeof(byte[])))
{
if (reader.Value != null)
{
value = serializer.Deserialize(reader, item.DataType);
if (value == null)
{
value = DBNull.Value;
}
}
else
{
value = DBNull.Value;
}
dataRow[str] = value;
}
else
{
if (reader.TokenType == JsonToken.StartArray)
{
reader.ReadAndAssert();
}
List <object> objs = new List <object>();
while (reader.TokenType != JsonToken.EndArray)
{
objs.Add(reader.Value);
reader.ReadAndAssert();
}
Array arrays = Array.CreateInstance(item.DataType.GetElementType(), objs.Count);
((ICollection)objs).CopyTo(arrays, 0);
dataRow[str] = arrays;
}
reader.ReadAndAssert();
}
dataRow.EndEdit();
dt.Rows.Add(dataRow);
}
