/// <summary>
/// Reads a BSON document from the specified EasyReader.
/// </summary>
/// <param name="reader">The reader that will be used to read this document.</param>
/// <returns>The document that was read.</returns>
internal static BsonDocument Read(EasyReader reader, BsonDocument parent = null, bool inArray = false)
{
var stringTableMode = BsonStringTableMode.None;
Dictionary <int, string> stringTable = null;
if (parent == null)
{
var includesStringTable = reader.ReadBoolean();
if (includesStringTable)
{
stringTable = new Dictionary <int, string>();
stringTableMode = (BsonStringTableMode)reader.ReadByte();
var version = reader.ReadByte();
if (version != STRING_TABLE_VERSION)
{
throw new InvalidDataException("Unsupported string table version: " + version);
}
var tableLength = reader.ReadInt32();
var tableEntries = reader.ReadInt32();
for (var i = 0; i < tableEntries; i++)
{
var num = reader.ReadInt32();
var val = reader.ReadString(Encoding.UTF8);
stringTable[num] = val;
}
}
}
else
{
stringTable = parent.ReverseStringTable;
stringTableMode = parent.StringTableMode;
}
var document = new BsonDocument(stringTableMode, stringTable);
var length = reader.ReadInt32();
while (!reader.EndOfStream)
{
var code = reader.ReadByte();
if (code == 0x00) // end of document
{
break;
}
var name = reader.ReadCString();
if (!inArray && document.StringTableMode != BsonStringTableMode.None)
{
name = document.ReverseStringTable[int.Parse(name)];
}
var data = ReadItem(code, document, reader);
document.Top[name] = data;
}
return(document);
}
protected override IEnumerator <DeserializeRequest> Deserialize(EasyReader input)
{
var iterMain = base.Deserialize(input);
while (iterMain.MoveNext())
{
yield return(iterMain.Current);
}
int pCount = input.ReadInt32();
if (Parameters == null)
{
Parameters = new Dictionary <string, SubroutineParameterType>(pCount);
}
for (int i = 0; i < pCount; i++)
{
string key = input.ReadString();
Parameters[key] = (SubroutineParameterType)input.ReadByte();
}
}
protected override IEnumerator <DeserializeRequest> Deserialize(EasyReader input)
{
var iterMain = base.Deserialize(input);
while (iterMain.MoveNext())
{
yield return(iterMain.Current);
}
int pCount = input.ReadInt32();
if (Parameters == null)
{
Parameters = new List <SubroutineParameter>();
}
for (int i = 0; i < pCount; i++)
{
string paramName = input.ReadString();
var paramType = (SubroutineParameterType)input.ReadByte();
Parameters.Add(new SubroutineParameter(paramName, paramType));
}
}
private static BsonItem ReadItem(byte code, BsonDocument document, EasyReader reader)
{
object val = null;
switch (code)
{
case 0x01: // double
val = reader.ReadDouble();
break;
case 0x02: // string
val = reader.ReadString(Encoding.UTF8).TrimEnd('\x00');
if (document.StringTableMode == BsonStringTableMode.KeysAndValues)
val = document.ReverseStringTable[int.Parse((string)val)];
break;
case 0x03: // document
val = Read(reader, document).Top;
break;
case 0x04: // array
val = Read(reader, document, true).Top;
break;
case 0x05: // binary
var length = reader.ReadInt32();
var subtype = reader.ReadByte();
if (subtype != 0x00)
throw new NotSupportedException("BSON subtypes other than 'generic binary data' are not supported.");
val = reader.ReadBytes(length);
break;
case 0x06: // undefined
break;
case 0x07: // ObjectId
// why does this parser support ObjectIds and not other binary data?
// shhhhh
val = Encoding.ASCII.GetString(reader.ReadBytes(12));
break;
case 0x08: // boolean
val = reader.ReadBoolean();
break;
case 0x09: // UTC datetime
val = reader.ReadInt64();
break;
case 0x0A: // null
break;
case 0x0B: // regex
// why are you using regex in a Rant package?
throw new NotSupportedException("Regular expressions are not supported.");
case 0x0C: // db pointer
throw new NotSupportedException("DB pointers are not supported.");
case 0x0D: // Javascript code
case 0x0F: // JS code with scope
throw new NotSupportedException("Javascript in BSON is not supported.");
case 0x0E: // depreceated
val = reader.ReadString(Encoding.UTF8);
break;
case 0x10: // 32 bit integer
val = reader.ReadInt32();
break;
case 0x11: // timestamp
case 0x12: // 64 bit integer
val = reader.ReadInt64();
break;
case 0xFF: // min key
case 0x7F: // max key
// we don't care about these so let's just skip em
break;
}
if (!(val is BsonItem))
return new BsonItem(val) { Type = code };
var i = (BsonItem)val;
i.Type = code;
return i;
}
/// <summary>
/// Reads a BSON document from the specified EasyReader.
/// </summary>
/// <param name="reader">The reader that will be used to read this document.</param>
/// <returns>The document that was read.</returns>
internal static BsonDocument Read(EasyReader reader, BsonDocument parent = null, bool inArray = false)
{
var stringTableMode = BsonStringTableMode.None;
Dictionary<int, string> stringTable = null;
if (parent == null)
{
var includesStringTable = reader.ReadBoolean();
if (includesStringTable)
{
stringTable = new Dictionary<int, string>();
stringTableMode = (BsonStringTableMode)reader.ReadByte();
var version = reader.ReadByte();
if (version != STRING_TABLE_VERSION)
throw new InvalidDataException("Unsupported string table version: " + version);
var tableLength = reader.ReadInt32();
var tableEntries = reader.ReadInt32();
for (var i = 0; i < tableEntries; i++)
{
var num = reader.ReadInt32();
var val = reader.ReadString(Encoding.UTF8);
stringTable[num] = val;
}
}
}
else
{
stringTable = parent.ReverseStringTable;
stringTableMode = parent.StringTableMode;
}
var document = new BsonDocument(stringTableMode, stringTable);
var length = reader.ReadInt32();
while(!reader.EndOfStream)
{
var code = reader.ReadByte();
if (code == 0x00) // end of document
break;
var name = reader.ReadCString();
if (!inArray && document.StringTableMode != BsonStringTableMode.None)
name = document.ReverseStringTable[int.Parse(name)];
var data = ReadItem(code, document, reader);
document.Top[name] = data;
}
return document;
}
private static BsonItem ReadItem(byte code, BsonDocument document, EasyReader reader)
{
object val = null;
switch (code)
{
case 0x01: // double
val = reader.ReadDouble();
break;
case 0x02: // string
val = reader.ReadString(Encoding.UTF8).TrimEnd('\x00');
if (document.StringTableMode == BsonStringTableMode.KeysAndValues)
{
val = document.ReverseStringTable[int.Parse((string)val)];
}
break;
case 0x03: // document
val = Read(reader, document).Top;
break;
case 0x04: // array
val = Read(reader, document, true).Top;
break;
case 0x05: // binary
var length = reader.ReadInt32();
var subtype = reader.ReadByte();
if (subtype != 0x00)
{
throw new NotSupportedException("BSON subtypes other than 'generic binary data' are not supported.");
}
val = reader.ReadBytes(length);
break;
case 0x06: // undefined
break;
case 0x07: // ObjectId
// why does this parser support ObjectIds and not other binary data?
// shhhhh
val = Encoding.ASCII.GetString(reader.ReadBytes(12));
break;
case 0x08: // boolean
val = reader.ReadBoolean();
break;
case 0x09: // UTC datetime
val = reader.ReadInt64();
break;
case 0x0A: // null
break;
case 0x0B: // regex
// why are you using regex in a Rant package?
throw new NotSupportedException("Regular expressions are not supported.");
case 0x0C: // db pointer
throw new NotSupportedException("DB pointers are not supported.");
case 0x0D: // Javascript code
case 0x0F: // JS code with scope
throw new NotSupportedException("Javascript in BSON is not supported.");
case 0x0E: // depreceated
val = reader.ReadString(Encoding.UTF8);
break;
case 0x10: // 32 bit integer
val = reader.ReadInt32();
break;
case 0x11: // timestamp
case 0x12: // 64 bit integer
val = reader.ReadInt64();
break;
case 0xFF: // min key
case 0x7F: // max key
// we don't care about these so let's just skip em
break;
}
if (!(val is BsonItem))
{
return new BsonItem(val)
{
Type = code
}
}
;
var i = (BsonItem)val;
i.Type = code;
return(i);
}
}
