internal static void ExportRow(ExportContext context, DataRow row, JsonWriter writer)
{
writer.WriteStartObject();
foreach (DataColumn column in row.Table.Columns)
{
writer.WriteMember(column.ColumnName);
context.Export(row[column], writer);
}
writer.WriteEndObject();
}
protected override void ExportValue(ExportContext context, object value, JsonWriter writer)
{
writer.WriteStartObject();
IDictionary dictionary = (IDictionary) value;
foreach (DictionaryEntry entry in DictionaryHelper.GetEntries(dictionary))
{
writer.WriteMember(entry.Key.ToString());
context.Export(entry.Value, writer);
}
writer.WriteEndObject();
}
protected override void ExportValue(ExportContext context, object value, JsonWriter writer)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (writer == null)
{
throw new ArgumentNullException("writer");
}
writer.WriteStartObject();
ExportMembers(context, (ExpandoObject) value, writer);
writer.WriteEndObject();
}
protected override void ExportValue(ExportContext context, object value, JsonWriter writer)
{
if (this._properties.Count == 0)
{
writer.WriteString(value.ToString());
}
else
{
ObjectReferenceTracker tracker = null;
try
{
writer.WriteStartObject();
int num = 0;
foreach (PropertyDescriptor descriptor in this._properties)
{
IObjectMemberExporter exporter = ((this._exporters != null) && (num < this._exporters.Length)) ? this._exporters[num++] : null;
if (exporter != null)
{
exporter.Export(context, writer, value);
}
else
{
object o = descriptor.GetValue(value);
if (!JsonNull.LogicallyEquals(o))
{
writer.WriteMember(descriptor.Name);
if (value.GetType().IsClass && (tracker == null))
{
tracker = TrackObject(context, value);
}
context.Export(o, writer);
}
}
}
writer.WriteEndObject();
}
finally
{
if (tracker != null)
{
tracker.Pop(value);
}
}
}
}
private static void ExportDataSet(ExportContext context, DataSet dataSet, JsonWriter writer)
{
writer.WriteStartObject();
foreach (DataTable table in dataSet.Tables)
{
writer.WriteMember(table.TableName);
IExporter exporter = context.FindExporter(table.GetType());
if (exporter != null)
{
exporter.Export(context, table, writer);
}
else
{
DataTableExporter.ExportTable(context, table, writer);
}
}
writer.WriteEndObject();
}
internal static void ExportView(ExportContext context, DataView view, JsonWriter writer)
{
writer.WriteStartObject();
writer.WriteMember("columns");
writer.WriteStartArray();
foreach (DataColumn column in view.Table.Columns)
{
context.Export(column.ColumnName, writer);
}
writer.WriteEndArray();
writer.WriteMember("rows");
writer.WriteStartArray();
foreach (DataRowView view2 in view)
{
context.Export(view2.Row.ItemArray, writer);
}
writer.WriteEndArray();
writer.WriteEndObject();
}
private static void ExportCollection(ExportContext context, NameValueCollection collection, JsonWriter writer)
{
writer.WriteStartObject();
for (int i = 0; i < collection.Count; i++)
{
writer.WriteMember(collection.GetKey(i));
string[] values = collection.GetValues(i);
if (values == null)
{
writer.WriteNull();
}
else if (values.Length > 1)
{
context.Export(values, writer);
}
else
{
context.Export(values[0], writer);
}
}
writer.WriteEndObject();
}
