private static LLSDArray ParseXmlArray(XmlTextReader reader)
{
if (reader.NodeType != XmlNodeType.Element || reader.LocalName != "array")
{
throw new LLSDException("Expected <array>");
}
LLSDArray array = new LLSDArray();
if (reader.IsEmptyElement)
{
reader.Read();
return(array);
}
if (reader.Read())
{
while (true)
{
SkipWhitespace(reader);
if (reader.NodeType == XmlNodeType.EndElement && reader.LocalName == "array")
{
reader.Read();
break;
}
array.Add(ParseXmlElement(reader));
}
}
return(array);
}
private static LLSD DeserializeNotationArray(StringReader reader)
{
int character;
LLSDArray llsdArray = new LLSDArray();
while (((character = PeekAndSkipWhitespace(reader)) > 0) &&
((char)character != arrayEndNotationMarker))
{
llsdArray.Add(DeserializeNotationElement(reader));
character = ReadAndSkipWhitespace(reader);
if (character < 0)
{
throw new LLSDException("Notation LLSD parsing: Unexpected end of array discovered.");
}
else if ((char)character == kommaNotationDelimiter)
{
continue;
}
else if ((char)character == arrayEndNotationMarker)
{
break;
}
}
if (character < 0)
{
throw new LLSDException("Notation LLSD parsing: Unexpected end of array discovered.");
}
return((LLSD)llsdArray);
}
private static void SerializeBinaryArray(MemoryStream stream, LLSDArray llsdArray)
{
stream.WriteByte(arrayBeginBinaryMarker);
byte[] binaryNumElementsHostEnd = HostToNetworkIntBytes(llsdArray.Count);
stream.Write(binaryNumElementsHostEnd, 0, int32Length);
foreach (LLSD llsd in llsdArray)
{
SerializeBinaryElement(stream, llsd);
}
stream.WriteByte(arrayEndBinaryMarker);
}
private static void SerializeNotationArray(StringWriter writer, LLSDArray llsdArray)
{
writer.Write(arrayBeginNotationMarker);
int lastIndex = llsdArray.Count - 1;
for (int idx = 0; idx <= lastIndex; idx++)
{
SerializeNotationElement(writer, llsdArray[idx]);
if (idx < lastIndex)
{
writer.Write(kommaNotationDelimiter);
}
}
writer.Write(arrayEndNotationMarker);
}
private static LLSD ParseBinaryArray(MemoryStream stream)
{
int numElements = NetworkToHostInt(ConsumeBytes(stream, int32Length));
int crrElement = 0;
LLSDArray llsdArray = new LLSDArray();
while (crrElement < numElements)
{
llsdArray.Add(ParseBinaryElement(stream));
crrElement++;
}
if (!FindByte(stream, arrayEndBinaryMarker))
{
throw new LLSDException("Binary LLSD parsing: Missing end marker in array.");
}
return((LLSD)llsdArray);
}
private static LLSD ParseNotationElement(string notationData, out int endPos)
{
if (notationData.Length == 0)
{
endPos = 0;
return(null);
}
// Identify what type of object this is
switch (notationData[0])
{
case '!':
endPos = 1;
return(new LLSD());
case '1':
endPos = 1;
return(LLSD.FromBoolean(true));
case '0':
endPos = 1;
return(LLSD.FromBoolean(false));
case 'i':
{
if (notationData.Length < 2)
{
endPos = notationData.Length;
return(LLSD.FromInteger(0));
}
int value;
endPos = FindEnd(notationData, 1);
if (Helpers.TryParse(notationData.Substring(1, endPos - 1), out value))
{
return(LLSD.FromInteger(value));
}
else
{
return(LLSD.FromInteger(0));
}
}
case 'r':
{
if (notationData.Length < 2)
{
endPos = notationData.Length;
return(LLSD.FromReal(0d));
}
double value;
endPos = FindEnd(notationData, 1);
if (Helpers.TryParse(notationData.Substring(1, endPos - 1), out value))
{
return(LLSD.FromReal(value));
}
else
{
return(LLSD.FromReal(0d));
}
}
case 'u':
{
if (notationData.Length < 17)
{
endPos = notationData.Length;
return(LLSD.FromUUID(LLUUID.Zero));
}
LLUUID value;
endPos = FindEnd(notationData, 1);
if (Helpers.TryParse(notationData.Substring(1, endPos - 1), out value))
{
return(LLSD.FromUUID(value));
}
else
{
return(LLSD.FromUUID(LLUUID.Zero));
}
}
case 'b':
throw new NotImplementedException("Notation binary type is unimplemented");
case 's':
case '"':
case '\'':
if (notationData.Length < 2)
{
endPos = notationData.Length;
return(LLSD.FromString(String.Empty));
}
endPos = FindEnd(notationData, 1);
return(LLSD.FromString(notationData.Substring(1, endPos - 1).Trim(new char[] { '"', '\'' })));
case 'l':
throw new NotImplementedException("Notation URI type is unimplemented");
case 'd':
throw new NotImplementedException("Notation date type is unimplemented");
case '[':
{
if (notationData.IndexOf(']') == -1)
{
throw new LLSDException("Invalid notation array");
}
int pos = 0;
LLSDArray array = new LLSDArray();
while (notationData[pos] != ']')
{
++pos;
// Advance past comma if need be
if (notationData[pos] == ',')
{
++pos;
}
// Allow a single whitespace character
if (pos < notationData.Length && notationData[pos] == ' ')
{
++pos;
}
int end;
array.Add(ParseNotationElement(notationData.Substring(pos), out end));
pos += end;
}
endPos = pos + 1;
return(array);
}
case '{':
{
if (notationData.IndexOf('}') == -1)
{
throw new LLSDException("Invalid notation map");
}
int pos = 0;
LLSDMap hashtable = new LLSDMap();
while (notationData[pos] != '}')
{
++pos;
// Advance past comma if need be
if (notationData[pos] == ',')
{
++pos;
}
// Allow a single whitespace character
if (pos < notationData.Length && notationData[pos] == ' ')
{
++pos;
}
if (notationData[pos] != '\'')
{
throw new LLSDException("Expected a map key");
}
int endquote = notationData.IndexOf('\'', pos + 1);
if (endquote == -1 || (endquote + 1) >= notationData.Length || notationData[endquote + 1] != ':')
{
throw new LLSDException("Invalid map format");
}
string key = notationData.Substring(pos, endquote - pos);
key = key.Trim(new char[] { '"', '\'' }); //key.Replace("'", String.Empty);
pos += (endquote - pos) + 2;
int end;
hashtable[key] = ParseNotationElement(notationData.Substring(pos), out end);
pos += end;
}
endPos = pos + 1;
return(hashtable);
}
default:
throw new LLSDException("Unknown notation value type");
}
}
public static void SerializeXmlElement(XmlTextWriter writer, LLSD data)
{
switch (data.Type)
{
case LLSDType.Unknown:
writer.WriteStartElement(String.Empty, "undef", String.Empty);
writer.WriteEndElement();
break;
case LLSDType.Boolean:
writer.WriteStartElement(String.Empty, "boolean", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Integer:
writer.WriteStartElement(String.Empty, "integer", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Real:
writer.WriteStartElement(String.Empty, "real", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.String:
writer.WriteStartElement(String.Empty, "string", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.UUID:
writer.WriteStartElement(String.Empty, "uuid", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Date:
writer.WriteStartElement(String.Empty, "date", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.URI:
writer.WriteStartElement(String.Empty, "uri", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Binary:
writer.WriteStartElement(String.Empty, "binary", String.Empty);
writer.WriteStartAttribute(String.Empty, "encoding", String.Empty);
writer.WriteString("base64");
writer.WriteEndAttribute();
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Map:
LLSDMap map = (LLSDMap)data;
writer.WriteStartElement(String.Empty, "map", String.Empty);
foreach (KeyValuePair <string, LLSD> kvp in map)
{
writer.WriteStartElement(String.Empty, "key", String.Empty);
writer.WriteString(kvp.Key);
writer.WriteEndElement();
SerializeXmlElement(writer, kvp.Value);
}
writer.WriteEndElement();
break;
case LLSDType.Array:
LLSDArray array = (LLSDArray)data;
writer.WriteStartElement(String.Empty, "array", String.Empty);
for (int i = 0; i < array.Count; i++)
{
SerializeXmlElement(writer, array[i]);
}
writer.WriteEndElement();
break;
}
}
private static void SerializeNotationArrayFormatted(StringWriter writer, string intend, LLSDArray llsdArray)
{
writer.Write(Helpers.NewLine);
writer.Write(intend);
writer.Write(arrayBeginNotationMarker);
int lastIndex = llsdArray.Count - 1;
for (int idx = 0; idx <= lastIndex; idx++)
{
if (llsdArray[idx].Type != LLSDType.Array && llsdArray[idx].Type != LLSDType.Map)
{
writer.Write(Helpers.NewLine);
}
writer.Write(intend + baseIntend);
SerializeNotationElementFormatted(writer, intend, llsdArray[idx]);
if (idx < lastIndex)
{
writer.Write(kommaNotationDelimiter);
}
}
writer.Write(Helpers.NewLine);
writer.Write(intend);
writer.Write(arrayEndNotationMarker);
}
