private bool isLiteral(EScriptToken token)
{
switch (token)
{
case EScriptToken.ESCRIPTTOKEN_LOCALSTRING:
case EScriptToken.ESCRIPTTOKEN_STRING:
case EScriptToken.ESCRIPTTOKEN_INTEGER:
case EScriptToken.ESCRIPTTOKEN_FLOAT:
return(true);
}
return(false);
}
public async Task <List <TokenEntry> > ReadBuffer()
{
List <TokenEntry> objects = new List <TokenEntry>();
while (true)
{
EScriptToken symbol = GetNextToken();
if (symbol == EScriptToken.ESCRIPTTOKEN_ENDOFFILE)
{
break;
}
object value = await GetSymbolValue(symbol);
objects.Add(new TokenEntry {
type = symbol, value = value
});
if (printTokens)
{
Console.WriteLine("Got token" + symbol.ToString() + " " + (value == null ? "null" : value.ToString()));
}
}
return(objects);
}
private async Task <object> GetSymbolValue(EScriptToken type)
{
switch (type)
{
case EScriptToken.ESCRIPTTOKEN_FLOAT:
return(_bs.ReadSingle());
case EScriptToken.ESCRIPTTOKEN_INTEGER:
return(_bs.ReadInt32());
case EScriptToken.ESCRIPTTOKEN_NAME:
var checksum = _bs.ReadUInt32();
try
{
return(await _resolver.ResolveChecksum(checksum));
} catch
{
return(checksum);
}
case EScriptToken.ESCRIPTTOKEN_LOCALSTRING:
case EScriptToken.ESCRIPTTOKEN_STRING:
var length = _bs.ReadInt32();
string s = "";
while (length-- > 0)
{
var c = _bs.ReadChar();
if (c != 0)
{
s += c;
}
}
return(s);
case EScriptToken.ESCRIPTTOKEN_KEYWORD_SCRIPT:
_bs.ReadByte(); //function size
return(_bs.ReadInt32()); //script name
//case EScriptToken.ESCRIPTTOKEN_KEYWORD_ENDSCRIPT:
case EScriptToken.ESCRIPTTOKEN_COMMA:
case EScriptToken.ESCRIPTTOKEN_ENDOFLINE:
case EScriptToken.ESCRIPTTOKEN_EQUALS:
case EScriptToken.ESCRIPTTOKEN_STARTSTRUCT:
case EScriptToken.ESCRIPTTOKEN_ENDSTRUCT:
case EScriptToken.ESCRIPTTOKEN_STARTARRAY:
case EScriptToken.ESCRIPTTOKEN_ENDARRAY:
case EScriptToken.ESCRIPTTOKEN_OPENPARENTH:
case EScriptToken.ESCRIPTTOKEN_CLOSEPARENTH:
case EScriptToken.ESCRIPTTOKEN_ARG:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_ALLARGS:
case EScriptToken.ESCRIPTTOKEN_GREATERTHAN:
case EScriptToken.ESCRIPTTOKEN_GREATERTHANEQUAL:
case EScriptToken.ESCRIPTTOKEN_LESSTHAN:
case EScriptToken.ESCRIPTTOKEN_LESSTHANEQUAL:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_ENDIF:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_ENDSCRIPT:
case EScriptToken.ESCRIPTTOKEN_MULTIPLY:
case EScriptToken.ESCRIPTTOKEN_DIVIDE:
case EScriptToken.ESCRIPTTOKEN_DOT:
case EScriptToken.ESCRIPTTOKEN_ADD:
case EScriptToken.ESCRIPTTOKEN_MINUS:
case EScriptToken.ESCRIPTTOKEN_OR:
case EScriptToken.ESCRIPTTOKEN_AND:
case EScriptToken.ESCRIPTTOKEN_COLON:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_SWITCH:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_ENDSWITCH:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_NOT:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_RANDOM:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_BEGIN:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_REPEAT:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_CASE:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_DEFAULT:
case EScriptToken.ESCRIPTTOKEN_KEYWORD_RETURN:
return(null);
case EScriptToken.ESCRIPTTOKEN_RUNTIME_RELATIVE_JUMP:
return(_bs.ReadInt16());
case EScriptToken.ESCRIPTTOKEN_RUNTIME_IF2:
case EScriptToken.ESCRIPTTOKEN_RUNTIME_ELSE2:
return(_bs.ReadInt16()); //jump length
case EScriptToken.ESCRIPTTOKEN_ENDOFLINENUMBER:
return(null);
case EScriptToken.ESCRIPTTOKEN_CHECKSUM_NAME:
var checksum_number = _bs.ReadUInt32();
string checksum_name = "";
while (true)
{
var c = _bs.ReadChar();
if (c == 0)
{
break;
}
checksum_name += c;
}
if (insertChecksums)
{
var generated_checksum = await _resolver.GenerateChecksum(checksum_name);
if (generated_checksum != checksum_number)
{
throw new ArgumentException("Checksum mismatch", checksum_name);
}
}
return(checksum_name);
case EScriptToken.ESCRIPTTOKEN_VECTOR:
var res = new float[3];
res[0] = _bs.ReadSingle();
res[1] = _bs.ReadSingle();
res[2] = _bs.ReadSingle();
return(res);
default:
throw new ArgumentException("Got unhandled symbol", type.ToString());
}
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
writer.WriteStartObject();
var qList = (List <TokenEntry>)value;
bool inAssignment = false;
bool hasDoubleObject = false;
bool skipFunction = false;
bool inArray = false;
EScriptToken lastToken = EScriptToken.ESCRIPTTOKEN_ENDOFFILE;
for (var i = 0; i < qList.Count; i++)
{
var item = qList[i];
if (skipFunction && item.type != EScriptToken.ESCRIPTTOKEN_KEYWORD_ENDSCRIPT)
{
continue;
}
switch (item.type)
{
case EScriptToken.ESCRIPTTOKEN_NAME:
if (inAssignment || inArray)
{
writer.WriteValue(item.value.ToString());
inAssignment = false;
}
else
{
writer.WritePropertyName(item.value.ToString());
if (qList[i + 1].type != EScriptToken.ESCRIPTTOKEN_EQUALS /*&& qList[i + 2].type != EScriptToken.ESCRIPTTOKEN_EQUALS*/)
{
writer.WriteValue(true);
}
}
break;
case EScriptToken.ESCRIPTTOKEN_INTEGER:
if (isLiteral(lastToken))
{
continue;
}
inAssignment = false;
try
{
writer.WriteValue((int)item.value);
} catch
{
writer.WritePropertyName("unnamed");
writer.WriteValue((int)item.value);
}
break;
case EScriptToken.ESCRIPTTOKEN_FLOAT:
if (isLiteral(lastToken))
{
continue;
}
inAssignment = false;
writer.WriteValue((float)item.value);
break;
case EScriptToken.ESCRIPTTOKEN_STRING:
case EScriptToken.ESCRIPTTOKEN_LOCALSTRING:
if (isLiteral(lastToken))
{
continue;
}
inAssignment = false;
writer.WriteValue((string)item.value);
break;
case EScriptToken.ESCRIPTTOKEN_ARRAY:
case EScriptToken.ESCRIPTTOKEN_STARTARRAY:
inAssignment = false;
inArray = true;
try
{
writer.WriteStartArray();
} catch
{
writer.WritePropertyName("unnamed");
writer.WriteStartArray();
}
break;
case EScriptToken.ESCRIPTTOKEN_ENDARRAY:
inArray = false;
writer.WriteEndArray();
break;
case EScriptToken.ESCRIPTTOKEN_STARTSTRUCT:
if (lastToken == item.type)
{
hasDoubleObject = true;
continue;
}
try
{
writer.WriteStartObject();
inAssignment = false;
inArray = false;
} catch
{
writer.WritePropertyName("unnamed");
writer.WriteStartObject();
}
break;
case EScriptToken.ESCRIPTTOKEN_ENDSTRUCT:
if (lastToken == item.type && hasDoubleObject)
{
hasDoubleObject = false;
continue;
}
writer.WriteEndObject();
break;
case EScriptToken.ESCRIPTTOKEN_EQUALS:
inAssignment = true;
break;
case EScriptToken.ESCRIPTTOKEN_ENDOFLINE:
break;
case EScriptToken.ESCRIPTTOKEN_KEYWORD_SCRIPT:
skipFunction = true;
break;
case EScriptToken.ESCRIPTTOKEN_KEYWORD_ENDSCRIPT:
skipFunction = false;
break;
case EScriptToken.ESCRIPTTOKEN_CHECKSUM_NAME:
case EScriptToken.ESCRIPTTOKEN_ENDOFFILE:
case EScriptToken.ESCRIPTTOKEN_COMMA:
break;
case EScriptToken.ESCRIPTTOKEN_VECTOR:
inAssignment = false;
writer.WriteStartObject();
float[] v = (float[])item.value;
writer.WritePropertyName("x");
writer.WriteValue(v[0]);
writer.WritePropertyName("y");
writer.WriteValue(v[1]);
writer.WritePropertyName("z");
writer.WriteValue(v[2]);
writer.WriteEndObject();
break;
default:
throw new NotImplementedException();
break;
}
if (item.type != EScriptToken.ESCRIPTTOKEN_ENDOFLINE)
{
lastToken = item.type;
}
}
writer.WriteEndObject();
}
