Parameter GetParameter(Token TokenToAdd)
{
//Token TokenToAdd = Lexer.Tokenizer( DataStream);
Parameter aParameter;
switch (TokenToAdd.TokenTypeValue)
{
case TokenType.ENTITYINSTANCENAME:
aParameter = new ParamEntity((uint)TokenToAdd.IntegerValue, this);
break;
case TokenType.KEYWORD:
aParameter = getSelectParameter(TokenToAdd.StringValue);
break;
case TokenType.DOLLAR:
aParameter = new ParamNullValue();
break;
case TokenType.INTEGER:
aParameter = new ParamInteger(TokenToAdd.IntegerValue);
break;
case TokenType.REAL:
aParameter = new ParamReal(TokenToAdd.RealValue);
break;
case TokenType.STRING:
aParameter = new ParamString(TokenToAdd.StringValue);
break;
case TokenType.ENUMERATION:
aParameter = new ParamEnum(TokenToAdd.StringValue, this);
break;
case TokenType.BINARY:
aParameter = new ParamBinary(SParamType.BINARY);
// need to update
break;
case TokenType.LEFTPARENTHESIS:
aParameter = new ParamList(new List<Parameter>());
Token listToken = Lexer.Tokenizer(DataStream);
while (listToken.TokenTypeValue != TokenType.RIGHTPARENTHESIS)
{
Parameter subParam = GetParameter(listToken);
((ParamList)aParameter).ParameterList.Add(subParam);
listToken = Lexer.Tokenizer(DataStream);
}
break;
case TokenType.OMITTED:
aParameter = new ParamOmitted();
break;
case TokenType.TRUE:
aParameter = new ParamBoolean(1);
break;
case TokenType.FALSE:
aParameter = new ParamBoolean(-1);
break;
case TokenType.UNKNOWN:
aParameter = new ParamBoolean(0);
break;
case TokenType.RIGHTPARENTHESIS:
case TokenType.COMMA:
TokenToAdd = Lexer.Tokenizer(DataStream);
aParameter = GetParameter(TokenToAdd);
break;
default:
TokenToAdd = Lexer.Tokenizer(DataStream);
aParameter = GetParameter(TokenToAdd);
break;
}
return aParameter;
}
/// <summary>
/// Process token according to late bind scheme
/// </summary>
/// <param name="TokenToAdd">Lexer generated token</param>
void ProcessTokenLB(Token TokenToAdd)
{
try
{
switch (TokenToAdd.TokenTypeValue)
{
case TokenType.ISO1030321:
Lexer.Tokenizer(DataStream);
currStatus = ParserStatus.ISO;
break;
case TokenType.ISO1030321END:
Lexer.Tokenizer(DataStream);
currStatus = ParserStatus.READY;
break;
case TokenType.HEADER:
Lexer.Tokenizer(DataStream);
currStatus = ParserStatus.HEADER;
break;
case TokenType.ENDSEC:
Lexer.Tokenizer(DataStream);
currStatus = ParserStatus.ISO;
break;
case TokenType.ENTITYINSTANCENAME:
switch (currStatus)
{
case ParserStatus.DATA:
Token oneToken = Lexer.Tokenizer(DataStream);
if (oneToken.TokenTypeValue != TokenType.EQUAL)
{
Console.WriteLine("Syntax Error in Entity Instance : #" + TokenToAdd.IntegerValue.ToString());
return;
}
oneToken = Lexer.Tokenizer(DataStream);
if (oneToken.TokenTypeValue == TokenType.KEYWORD)
{
SortedDictionary<uint, Instance> toAdd = DataList;
if (toAdd.ContainsKey((uint)TokenToAdd.IntegerValue))
{
// when instance is already created by other caller
//P21Instance a = toAdd[(uint)TokenToAdd.IntegerValue];
InstanceSimple aSimpleInstance = (InstanceSimple)toAdd[(uint)TokenToAdd.IntegerValue];
ModifySimpleInstanceRecord(aSimpleInstance, oneToken.StringValue);
}
else
{
// when it is the first time of parsing entity instance name #???
InstanceSimple aSimpleInstance = AddSimpleInstance((uint)TokenToAdd.IntegerValue, oneToken.StringValue);
toAdd.Add((uint)TokenToAdd.IntegerValue, aSimpleInstance);
}
// adding instances to instanceByType according to instance type
if (InstanceByType.ContainsKey(oneToken.StringValue))
{
List<uint> existingList = InstanceByType[oneToken.StringValue];
existingList.Add((uint)TokenToAdd.IntegerValue);
}
else
{
List<uint> newList = new List<uint>();
newList.Add((uint)TokenToAdd.IntegerValue);
InstanceByType.Add(oneToken.StringValue, newList);
}
}
else if (oneToken.TokenTypeValue == TokenType.LEFTPARENTHESIS)
{
// need update for complex type
SortedDictionary<uint, Instance> toAdd = DataList;
InstanceComplex aComplexInstance = AddComplexInstance((uint)TokenToAdd.IntegerValue);
if (toAdd.ContainsKey((uint)TokenToAdd.IntegerValue))
{ toAdd[(uint)TokenToAdd.IntegerValue] = aComplexInstance; }
else
{ toAdd.Add((uint)TokenToAdd.IntegerValue, aComplexInstance); }
}
else
{
Console.WriteLine("Syntax Error at value defintion in Entity Instance : #" + TokenToAdd.IntegerValue.ToString());
return;
}
break;
default:
Console.WriteLine("Parser Error : Not defined parsing condition in Entity Instance Name : " + currStatus);
break;
}
break;
case TokenType.KEYWORD:
switch (currStatus)
{
case ParserStatus.HEADER:
SimpleRecord aSimpleRecord = AddSimpleRecord(null, TokenToAdd.StringValue);
HeaderList.Add(aSimpleRecord);
Lexer.Tokenizer(DataStream); // cleans semicolon at the end of header instance
break;
case ParserStatus.DATA:
Console.WriteLine("Syntax Error : Instance without Entity Instance Name");
break;
default:
Console.WriteLine("Parser Error : Not defined parsing condition in Keyword");
break;
}
break;
case TokenType.DATA:
Lexer.Tokenizer(DataStream);
currStatus = ParserStatus.DATA;
//theDataSet.aDataSectionList.Add(new DataSection());
break;
default:
Console.WriteLine("not defined condition : " + TokenToAdd.TokenTypeValue.ToString());
break;
}
}
catch (Exception)
{
throw new FormatException("Parse Error!");
}
}
Parameter AddParameterValue(Instance cInstance, Token TokenToAdd)
{
//Token TokenToAdd = Lexer.Tokenizer( DataStream);
Parameter aParameter;
switch (TokenToAdd.TokenTypeValue)
{
case TokenType.ENTITYINSTANCENAME:
//aParameter = new EntityInstanceParameter(TokenToAdd.IntegerValue);
//if(DataSet.DataList.ContainsKey(TokenToAdd.IntegerValue))
aParameter = new ParamEntity((uint)TokenToAdd.IntegerValue, cInstance, this);
//new Parameter(ParameterType.ENTITY_INSTANCE_NAME, TokenToAdd.IntegerValue);
break;
case TokenType.KEYWORD:
aParameter = getSelectParameter(TokenToAdd.StringValue);
//new Parameter(AddSimpleRecord(TokenToAdd.StringValue, DataStream));
break;
case TokenType.DOLLAR:
aParameter = new ParamNullValue();
//new Parameter(ParameterType.NULL_VALUE);
break;
case TokenType.INTEGER:
aParameter = new ParamInteger(TokenToAdd.IntegerValue);
//new Parameter(ParameterType.INTEGER, TokenToAdd.IntegerValue);
//InstanceData.aDataSectionList[HeaderCounter -1].DataList[0];
break;
case TokenType.REAL:
aParameter = new ParamReal(TokenToAdd.RealValue);
//new Parameter(TokenToAdd.RealValue);
break;
case TokenType.STRING:
aParameter = new ParamString(TokenToAdd.StringValue);
//new Parameter(ParameterType.STRING, TokenToAdd.StringValue, DataSet);
break;
case TokenType.ENUMERATION:
aParameter = new ParamEnum(TokenToAdd.StringValue, this);
//new Parameter(ParameterType.ENUMERATION, TokenToAdd.StringValue, DataSet);
break;
case TokenType.BINARY:
//aParameter = new Parameter(ParameterType.BINARY);
aParameter = new ParamBinary(SParamType.BINARY);
// need to update
break;
case TokenType.LEFTPARENTHESIS:
aParameter = new ParamList(new List<Parameter>());
//new Parameter(new List<Parameter>());
Token listToken = Lexer.Tokenizer(DataStream);
while (listToken.TokenTypeValue != TokenType.RIGHTPARENTHESIS)
{
Parameter subParam = AddParameterValue(cInstance, listToken);
((ParamList)aParameter).ParameterList.Add(subParam);
//List<Parameter> ParameterList = (List<Parameter>)aParameter.ParameterValue;
//ParameterList.Add(AddParameterValue( listToken, DataStream));
listToken = Lexer.Tokenizer(DataStream);
}
break;
case TokenType.OMITTED:
aParameter = new ParamOmitted();
//new Parameter(ParameterType.OMITTED_PARAMETER);
break;
case TokenType.TRUE:
aParameter = new ParamBoolean(1);
break;
case TokenType.FALSE:
aParameter = new ParamBoolean(-1);
break;
case TokenType.UNKNOWN:
aParameter = new ParamBoolean(0);
break;
case TokenType.RIGHTPARENTHESIS:
case TokenType.COMMA:
//Console.WriteLine("not defined condition : " + TokenToAdd.TokenTypeValue.ToString());
TokenToAdd = Lexer.Tokenizer(DataStream);
aParameter = AddParameterValue(cInstance, TokenToAdd);
break;
default:
//Console.WriteLine("not defined condition : " + TokenToAdd.TokenTypeValue.ToString());
TokenToAdd = Lexer.Tokenizer(DataStream);
aParameter = AddParameterValue(cInstance, TokenToAdd);
break;
}
return aParameter;
}