public static byte[] SingleValue(double x, double y, double z)
{
var buffer = new FlexBuffer(28);
var start = buffer.StartVector();
buffer.Add(x);
buffer.Add(y);
buffer.Add(z);
buffer.EndVector(start, true, true);
return(buffer.Finish());
}
public static byte[] SingleValue(ulong x, ulong y, ulong z, ulong w)
{
var buffer = new FlexBuffer(36);
var start = buffer.StartVector();
buffer.Add(x);
buffer.Add(y);
buffer.Add(z);
buffer.Add(w);
buffer.EndVector(start, true, true);
return(buffer.Finish());
}
public static byte[] Convert(string xmlData)
{
XmlDocument doc = new XmlDocument();
doc.Load(new StringReader(xmlData));
var flx = new FlexBuffer();
Process(flx, doc.DocumentElement);
return(flx.Finish());
}
public static byte[] From(IEnumerable value, Options options = Options.ShareKeys | Options.ShareStrings | Options.ShareKeyVectors)
{
var buffer = new FlexBuffer(options: options);
if (value is IDictionary dictionary)
{
buffer.AddDynamicMap(dictionary);
}
else
{
buffer.AddDynamicVector(value);
}
return(buffer.Finish());
}
private void ReadObject(FlexBuffer flx)
{
_scanner.Assert('{');
_scanner.SkipWhitespace();
var start = flx.StartVector();
if (_scanner.Peek() == '}')
{
_scanner.Read();
}
else
{
while (true)
{
_scanner.SkipWhitespace();
ReadString(flx, true);
_scanner.SkipWhitespace();
_scanner.Assert(':');
_scanner.SkipWhitespace();
ReadJsonValue(flx);
_scanner.SkipWhitespace();
var next = _scanner.Read();
if (next == '}')
{
break;
}
if (next == ',')
{
continue;
}
throw new Exception($"Unexpected character {next} at position {_scanner.Position}");
}
}
flx.SortAndEndMap(start);
}
private void ReadBoolean(FlexBuffer flx)
{
switch (_scanner.Peek())
{
case 't':
_scanner.Assert("true");
flx.Add(true);
return;
case 'f':
_scanner.Assert("false");
flx.Add(false);
return;
default:
throw new Exception($"Unexpected character {_scanner.Position}");
}
}
private static void Process(FlexBuffer flx, XmlNode element)
{
var node = flx.StartVector();
flx.AddKey("tagName");
flx.Add(element.Name);
var attributes = element.Attributes;
if (attributes != null)
{
for (var i = 0; i < attributes.Count; i++)
{
var att = attributes.Item(i);
flx.AddKey(att.Name);
flx.Add(att.Value);
}
}
var children = element.ChildNodes;
if (children.Count > 0)
{
flx.AddKey("children");
var childVector = flx.StartVector();
for (var i = 0; i < children.Count; i++)
{
var child = children[i];
if (child.NodeType == XmlNodeType.Text || child.NodeType == XmlNodeType.CDATA)
{
flx.Add(child.Value);
}
else if (child.NodeType == XmlNodeType.Comment)
{
}
else
{
Process(flx, child);
}
}
flx.EndVector(childVector, false, false);
}
flx.SortAndEndMap(node);
}
private void ReadJsonValue(FlexBuffer flx)
{
_scanner.SkipWhitespace();
var next = _scanner.Peek();
if (char.IsNumber(next))
{
ReadNumber(flx);
return;
}
switch (next)
{
case '{':
ReadObject(flx);
return;
case '[':
ReadArray(flx);
return;
case '"':
ReadString(flx);
return;
case '-':
ReadNumber(flx);
return;
case 't':
case 'f':
ReadBoolean(flx);
return;
case 'n':
ReadNull(flx);
return;
default:
throw new Exception($"Unexpected character {_scanner.Position}");
}
}
private void ReadArray(FlexBuffer flx)
{
_scanner.Assert('[');
var start = flx.StartVector();
_scanner.SkipWhitespace();
if (_scanner.Peek() == ']')
{
_scanner.Read();
}
else
{
while (true)
{
ReadJsonValue(flx);
_scanner.SkipWhitespace();
var next = _scanner.Read();
if (next == ']')
{
break;
}
if (next == ',')
{
continue;
}
throw new Exception($"Unexpected character {next} at position {_scanner.Position}");
}
}
flx.EndVector(start, false, false);
}
private void ReadString(FlexBuffer flx, bool asKey = false)
{
var builder = new StringBuilder();
_scanner.Assert('"');
while (true)
{
var c = _scanner.Read();
if (c == '\\')
{
c = _scanner.Read();
switch (char.ToLower(c))
{
case '"': // "
case '\\': // \
case '/': // /
builder.Append(c);
break;
case 'b':
builder.Append('\b');
break;
case 'f':
builder.Append('\f');
break;
case 'n':
builder.Append('\n');
break;
case 'r':
builder.Append('\r');
break;
case 't':
builder.Append('\t');
break;
case 'u':
builder.Append(ReadUnicodeLiteral());
break;
default:
throw new Exception($"Unexpected character {_scanner.Position}");
}
}
else if (c == '"')
{
break;
}
else
{
if (char.IsControl(c))
{
throw new Exception($"Unexpected character {_scanner.Position}");
}
else
{
builder.Append(c);
}
}
}
if (asKey)
{
flx.AddKey(builder.ToString());
}
else
{
flx.Add(builder.ToString());
}
}
private void ReadNull(FlexBuffer flx)
{
_scanner.Assert("null");
flx.AddNull();
}
public static byte[] Convert(string csv, char separator = ',')
{
var flx = new FlexBuffer();
var sb = new StringBuilder();
var outerVec = flx.StartVector();
var innerVec = -1;
var isInDoubleQuotes = false;
for (var offset = 0; offset < csv.Length;)
{
if (innerVec == -1)
{
innerVec = flx.StartVector();
}
if (csv[offset] == '"')
{
if (isInDoubleQuotes == false)
{
isInDoubleQuotes = true;
offset++;
}
else
{
if (csv.Length > offset + 1 && csv[offset + 1] == '"')
{
sb.Append('"');
offset += 2;
}
else
{
isInDoubleQuotes = false;
offset++;
}
}
}
else if (csv[offset] == separator && isInDoubleQuotes == false)
{
flx.Add(sb.ToString());
sb.Clear();
offset++;
}
else if (csv[offset] == '\n' && isInDoubleQuotes == false)
{
flx.Add(sb.ToString());
flx.EndVector(innerVec, false, false);
innerVec = -1;
sb.Clear();
offset++;
}
else if (csv[offset] == '\r' && csv.Length > offset + 1 && csv[offset + 1] == '\n' && isInDoubleQuotes == false)
{
flx.Add(sb.ToString());
flx.EndVector(innerVec, false, false);
innerVec = -1;
sb.Clear();
offset += 2;
}
else
{
sb.Append(csv[offset]);
offset++;
}
}
if (innerVec != -1)
{
flx.Add(sb.ToString());
flx.EndVector(innerVec, false, false);
}
flx.EndVector(outerVec, false, false);
return(flx.Finish());
}
internal FlexBufferMapBuilder(FlexBuffer buffer)
{
_buffer = buffer;
}
internal FlexBufferVectorBuilder(FlexBuffer buffer)
{
_buffer = buffer;
}