// public methods
/// <summary>
/// Closes the writer.
/// </summary>
public override void Close()
{
// Close can be called on Disposed objects
if (State != BsonWriterState.Closed)
{
Flush();
_context = null;
State = BsonWriterState.Closed;
}
}
/// <summary>
/// Initializes a new instance of the JsonWriter class.
/// </summary>
/// <param name="writer">A TextWriter.</param>
/// <param name="settings">Optional JsonWriter settings.</param>
public CustomerJsonWriter(TextWriter writer, JsonWriterSettings settings, bool isIsoDateTime = false)
: base(settings)
{
_textWriter = writer ?? throw new ArgumentNullException("writer");
_jsonWriterSettings = settings; // already frozen by base class
_context = new JsonWriterContext(null, ContextType.TopLevel, "");
State = BsonWriterState.Initial;
this.isIsoDateTime = isIsoDateTime;
}
/// <summary>
/// Writes the end of a BSON array to the writer.
/// </summary>
public override void WriteEndArray()
{
if (Disposed)
{
throw new ObjectDisposedException("JsonWriter");
}
if (State != BsonWriterState.Value)
{
ThrowInvalidState("WriteEndArray", BsonWriterState.Value);
}
base.WriteEndArray();
_textWriter.Write("]");
_context = _context.ParentContext;
State = GetNextState();
}
/// <summary>
/// Writes the end of a BSON document to the writer.
/// </summary>
public override void WriteEndDocument()
{
if (Disposed)
{
throw new ObjectDisposedException("JsonWriter");
}
if (State != BsonWriterState.Name)
{
ThrowInvalidState("WriteEndDocument", BsonWriterState.Name);
}
base.WriteEndDocument();
if (_jsonWriterSettings.Indent && _context.HasElements)
{
_textWriter.Write(_jsonWriterSettings.NewLineChars);
if (_context.ParentContext != null)
{
_textWriter.Write(_context.ParentContext.Indentation);
}
_textWriter.Write("}");
}
else
{
_textWriter.Write(" }");
}
if (_context.ContextType == ContextType.ScopeDocument)
{
_context = _context.ParentContext;
WriteEndDocument();
}
else
{
_context = _context.ParentContext;
}
if (_context == null)
{
State = BsonWriterState.Done;
}
else
{
State = GetNextState();
}
}
/// <summary>
/// Writes the start of a BSON array to the writer.
/// </summary>
public override void WriteStartArray()
{
if (Disposed)
{
throw new ObjectDisposedException("JsonWriter");
}
if (State != BsonWriterState.Value && State != BsonWriterState.Initial)
{
ThrowInvalidState("WriteStartArray", BsonWriterState.Value, BsonWriterState.Initial);
}
base.WriteStartArray();
WriteNameHelper(Name);
_textWriter.Write("[");
_context = new JsonWriterContext(_context, ContextType.Array, _jsonWriterSettings.IndentChars);
State = BsonWriterState.Value;
}
/// <summary>
/// Writes the start of a BSON document to the writer.
/// </summary>
public override void WriteStartDocument()
{
if (Disposed)
{
throw new ObjectDisposedException("JsonWriter");
}
if (State != BsonWriterState.Value && State != BsonWriterState.Initial && State != BsonWriterState.ScopeDocument)
{
ThrowInvalidState("WriteStartDocument", BsonWriterState.Value, BsonWriterState.Initial, BsonWriterState.ScopeDocument);
}
base.WriteStartDocument();
if (State == BsonWriterState.Value || State == BsonWriterState.ScopeDocument)
{
WriteNameHelper(Name);
}
_textWriter.Write("{");
var contextType = (State == BsonWriterState.ScopeDocument) ? ContextType.ScopeDocument : ContextType.Document;
_context = new JsonWriterContext(_context, contextType, _jsonWriterSettings.IndentChars);
State = BsonWriterState.Name;
}
internal JsonWriterContext(JsonWriterContext parentContext, ContextType contextType, string indentChars)
{
_parentContext = parentContext;
_contextType = contextType;
_indentation = (parentContext == null) ? indentChars : parentContext.Indentation + indentChars;
}