private JsonToken GetCloseTokenForType(JsonContainerType type)
{
switch (type)
{
case JsonContainerType.Object:
return(JsonToken.EndObject);
case JsonContainerType.Array:
return(JsonToken.EndArray);
case JsonContainerType.Constructor:
return(JsonToken.EndConstructor);
default:
throw JsonWriterException.Create(this, "No close token for type: " + type, null);
}
}
private JsonContainerType GetTypeForCloseToken(JsonToken token)
{
switch (token)
{
case JsonToken.EndObject:
return(JsonContainerType.Object);
case JsonToken.EndArray:
return(JsonContainerType.Array);
case JsonToken.EndConstructor:
return(JsonContainerType.Constructor);
default:
throw JsonWriterException.Create(this, "No type for token: " + token, null);
}
}
internal void AutoComplete(JsonToken tokenBeingWritten)
{
if (tokenBeingWritten != JsonToken.StartObject &&
tokenBeingWritten != JsonToken.StartArray &&
tokenBeingWritten != JsonToken.StartConstructor)
{
UpdateScopeWithFinishedValue();
}
// gets new state based on the current state and what is being written
State newState = StateArray[(int)tokenBeingWritten][(int)_currentState];
if (newState == State.Error)
{
throw JsonWriterException.Create(this, "Token {0} in state {1} would result in an invalid JSON object.".FormatWith(CultureInfo.InvariantCulture, tokenBeingWritten.ToString(), _currentState.ToString()), null);
}
if ((_currentState == State.Object || _currentState == State.Array || _currentState == State.Constructor) && tokenBeingWritten != JsonToken.Comment)
{
WriteValueDelimiter();
}
else if (_currentState == State.Property)
{
if (_formatting == Formatting.Indented)
{
WriteIndentSpace();
}
}
if (_formatting == Formatting.Indented)
{
WriteState writeState = WriteState;
// don't indent a property when it is the first token to be written (i.e. at the start)
if ((tokenBeingWritten == JsonToken.PropertyName && writeState != WriteState.Start) ||
writeState == WriteState.Array || writeState == WriteState.Constructor)
{
WriteIndent();
}
}
_currentState = newState;
}
/// <summary>
/// Writes the specified end token.
/// </summary>
/// <param name="token">The end token to write.</param>
protected override void WriteEnd(JsonToken token)
{
switch (token)
{
case JsonToken.EndObject:
_writer.Write('}');
break;
case JsonToken.EndArray:
_writer.Write(']');
break;
case JsonToken.EndConstructor:
_writer.Write(')');
break;
default:
throw JsonWriterException.Create(this, "Invalid JsonToken: " + token, null);
}
}
private void WriteEnd(JsonContainerType type)
{
switch (type)
{
case JsonContainerType.Object:
WriteEndObject();
break;
case JsonContainerType.Array:
WriteEndArray();
break;
case JsonContainerType.Constructor:
WriteEndConstructor();
break;
default:
throw JsonWriterException.Create(this, "Unexpected type when writing end: " + type, null);
}
}
private void AutoCompleteClose(JsonToken tokenBeingClosed)
{
// write closing symbol and calculate new state
int levelsToComplete = 0;
JsonContainerType type = GetTypeForCloseToken(tokenBeingClosed);
if (_currentPosition.Type == type)
{
levelsToComplete = 1;
}
else
{
int top = Top - 2;
for (int i = top; i >= 0; i--)
{
int currentLevel = top - i;
if (_stack[currentLevel].Type == type)
{
levelsToComplete = i + 2;
break;
}
}
}
if (levelsToComplete == 0)
{
throw JsonWriterException.Create(this, "No token to close.", null);
}
for (int i = 0; i < levelsToComplete; i++)
{
JsonToken token = GetCloseTokenForType(Pop());
if (_formatting == Formatting.Indented)
{
if (_currentState != State.ObjectStart && _currentState != State.ArrayStart)
{
WriteIndent();
}
}
WriteEnd(token);
JsonContainerType currentLevelType = Peek();
switch (currentLevelType)
{
case JsonContainerType.Object:
_currentState = State.Object;
break;
case JsonContainerType.Array:
_currentState = State.Array;
break;
case JsonContainerType.Constructor:
_currentState = State.Array;
break;
case JsonContainerType.None:
_currentState = State.Start;
break;
default:
throw JsonWriterException.Create(this, "Unknown JsonType: " + currentLevelType, null);
}
}
}
/// <summary>
/// Writes a <see cref="Object"/> value.
/// An error will raised if the value cannot be written as a single JSON token.
/// </summary>
/// <param name="value">The <see cref="Object"/> value to write.</param>
public virtual void WriteValue(object value)
{
if (value == null)
{
WriteNull();
return;
}
else if (ConvertUtils.IsConvertible(value))
{
IConvertible convertible = ConvertUtils.ToConvertible(value);
switch (convertible.GetTypeCode())
{
case TypeCode.String:
WriteValue(convertible.ToString(CultureInfo.InvariantCulture));
return;
case TypeCode.Char:
WriteValue(convertible.ToChar(CultureInfo.InvariantCulture));
return;
case TypeCode.Boolean:
WriteValue(convertible.ToBoolean(CultureInfo.InvariantCulture));
return;
case TypeCode.SByte:
WriteValue(convertible.ToSByte(CultureInfo.InvariantCulture));
return;
case TypeCode.Int16:
WriteValue(convertible.ToInt16(CultureInfo.InvariantCulture));
return;
case TypeCode.UInt16:
WriteValue(convertible.ToUInt16(CultureInfo.InvariantCulture));
return;
case TypeCode.Int32:
WriteValue(convertible.ToInt32(CultureInfo.InvariantCulture));
return;
case TypeCode.Byte:
WriteValue(convertible.ToByte(CultureInfo.InvariantCulture));
return;
case TypeCode.UInt32:
WriteValue(convertible.ToUInt32(CultureInfo.InvariantCulture));
return;
case TypeCode.Int64:
WriteValue(convertible.ToInt64(CultureInfo.InvariantCulture));
return;
case TypeCode.UInt64:
WriteValue(convertible.ToUInt64(CultureInfo.InvariantCulture));
return;
case TypeCode.Single:
WriteValue(convertible.ToSingle(CultureInfo.InvariantCulture));
return;
case TypeCode.Double:
WriteValue(convertible.ToDouble(CultureInfo.InvariantCulture));
return;
case TypeCode.DateTime:
WriteValue(convertible.ToDateTime(CultureInfo.InvariantCulture));
return;
case TypeCode.Decimal:
WriteValue(convertible.ToDecimal(CultureInfo.InvariantCulture));
return;
#if !(NETFX_CORE || PORTABLE)
case TypeCode.DBNull:
WriteNull();
return;
#endif
}
}
#if !PocketPC && !NET20
else if (value is DateTimeOffset)
{
WriteValue((DateTimeOffset)value);
return;
}
#endif
else if (value is byte[])
{
WriteValue((byte[])value);
return;
}
else if (value is Guid)
{
WriteValue((Guid)value);
return;
}
else if (value is Uri)
{
WriteValue((Uri)value);
return;
}
else if (value is TimeSpan)
{
WriteValue((TimeSpan)value);
return;
}
throw JsonWriterException.Create(this, "Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.InvariantCulture, value.GetType()), null);
}
