public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
var stringOp = operandStack.PopString();
var stringVal = stringOp.Value;
var seekOp = operandStack.PopString();
var seekVal = seekOp.Value;
var index = stringVal.IndexOf(seekVal);
if (index >= 0)
{
var post = stringVal.Substring(index + seekVal.Length);
var postOp = new StringOperand(post);
operandStack.Push(postOp);
operandStack.Push(seekOp);
var pre = stringVal.Substring(0, index);
var preOp = new StringOperand(pre);
operandStack.Push(preOp);
var boolOp = new BooleanOperand(true);
operandStack.Push(boolOp);
}
else
{
operandStack.Push(stringOp);
var boolOp = new BooleanOperand(false);
operandStack.Push(boolOp);
}
}
public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
var operand1 = operandStack.Pop();
var operand2 = operandStack.Pop();
switch (operand1)
{
case BooleanOperand boolOperand1:
{
var boolOperand2 = (BooleanOperand)operand2;
var boolean = new BooleanOperand(boolOperand1.Value ^ boolOperand2.Value);
operandStack.Push(boolean);
break;
}
case IntegerOperand intOperand1:
{
var intOperand2 = (IntegerOperand)operand2;
var boolean = new IntegerOperand(intOperand1.Value ^ intOperand2.Value);
operandStack.Push(boolean);
break;
}
default:
throw new Exception("illegal operator");
}
}
public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
var stringVal = operandStack.PopStringValue();
byte[] bytes = System.Text.Encoding.ASCII.GetBytes(stringVal);
var memoryStream = new MemoryStream(bytes);
var scriptReader = new StreamReader(memoryStream);
var fileReader = new EpsStreamReader(scriptReader);
var parser = new Parser(fileReader);
var operand = parser.GetNextOperand();
if (operand != null)
{
var post = scriptReader.ReadToEnd();
var postOp = new StringOperand(post);
operandStack.Push(postOp);
operandStack.Push(operand);
var boolOp = new BooleanOperand(true);
operandStack.Push(boolOp);
}
else
{
var boolOp = new BooleanOperand(false);
operandStack.Push(boolOp);
}
scriptReader.Dispose();
memoryStream.Dispose();
}
internal BooleanOperand Build(BooleanOperand ParsedExp, string StringExp)
{
if (ParsedExp == null)
{
return(BooleanOperand.Create(StringExp));
}
return(new BooleanExpression(StringExp, ParsedExp));
}
public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
var operand = operandStack.Pop();
var boolOp = new BooleanOperand(false);
operandStack.Push(boolOp);
}
public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
var operand = operandStack.Pop();
var b = new BooleanOperand(operand.IsExecutable);
operandStack.Push(b);
}
public BooleanOperand Parse(string str)
{
Stack <ElementarExpressionString> st = new Stack <ElementarExpressionString>();
BooleanOperand Left = null;
ElementarExpressionString Current = new ElementarExpressionString();
for (int i = 0; i < str.Length; i++)
{
if (str[i] == '(')
{
st.Push(Current);
Current = new ElementarExpressionString();
continue;
}
if (str[i] == ')')
{
ElementarExpressionString expr = st.Pop();
string MaybeOperator = expr.Expression.Trim();
if (MaybeOperator.Length == 2) // operatore?
{
BooleanOperand exp = BooleanOperand.Create(Current.Expression);
Left = new BooleanExpression(Left, MaybeOperator, exp);
Current = new ElementarExpressionString();
continue;
}
if (Current.Expression.Length > 0)
{
if (BooleanOperand.IsSimple(Current.Expression))
{
continue;
}
Left = BooleanOperand.Create(Current.Expression);
}
if (expr.Expression.Length > 0)
{
Left = new BooleanExpression(expr.Expression, Left);
}
Current = new ElementarExpressionString();
continue;
}
Current.Append(str[i]);
}
if (Current.Expression.Length > 0)
{
Left = Build(Left, Current.Expression);
}
return(Left);
}
public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
var key = operandStack.Pop();
var dict = operandStack.PopDictionary();
var contains = dict.Dictionary.Contains(key);
var boolean = new BooleanOperand(contains);
operandStack.Push(boolean);
}
public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
var operand2 = operandStack.Pop();
var operand1 = operandStack.Pop();
var isLess = OperandComparator.IsLess(operand1, operand2);
var boolean = new BooleanOperand(isLess);
operandStack.Push(boolean);
}
public Prerequisite(string code, string defaultNPCName, Conversation conversation)
{
code = CodeInterpreter.RemoveComments(code);
if (code.Equals("")){
rootNode = null;
} else {
try {
rootNode = PrerequisiteInterpreter.Interpret(code, defaultNPCName, conversation);
} catch (InvalidScriptException e) {
e.PrintMessage();
rootNode = null;
}
}
}
public static IOperand CreateDynamic(object value)
{
if (value == null)
{
return(new NullValueOperand());
}
Type t = value.GetType();
IOperand op;
if (ReferenceEquals(t, typeof(double)))
{
op = new DoubleOperand((double)value);
}
else if (ReferenceEquals(t, typeof(string)))
{
op = new StringOperand((string)value);
}
else if (ReferenceEquals(t, typeof(bool)))
{
op = new BooleanOperand((bool)value);
}
else if (ReferenceEquals(t, typeof(int)))
{
op = new IntegerOperand((int)value);
}
else if ((value) is IReference)
{
op = (IOperand)value;
}
else if (ReferenceEquals(t, typeof(ErrorValueWrapper)))
{
op = new ErrorValueOperand((ErrorValueWrapper)value);
}
else if (ReferenceEquals(t, typeof(DateTime)))
{
op = new DateTimeOperand((DateTime)value);
}
else
{
throw new ArgumentException(String.Format("The type {0} is not supported as an operand", t.Name));
}
return(op);
}
public BooleanExpression(string Left, BooleanOperand Right)
{
Regex re = new Regex(@"(?:(?<exp>\S+)\s*(?<op>[&][&]|[|][|])\s*)|(?:(?<op>[&][&]|[|][|])\s*(?<exp>\S+)\s*)");
Match m = re.Match(Left);
if (!m.Success)
{
throw new Exception("Invalid SimpleExpression: " + Left);
}
//SimpleExpression exp = new SimpleExpression(m.Groups["exp"].Value);
BooleanOperand exp = BooleanOperand.Create(m.Groups["exp"].Value);
this.Left = exp;
this.Right = Right;
string op = m.Groups["op"].Value;
BooleanOperator = BooleanExpression.GetBooleanOperator(op);
}
public override void Execute(EpsInterpreter interpreter)
{
var operandStack = interpreter.OperandStack;
bool ret = false;
var key = operandStack.Pop();
var dict = DictionaryStackHelper.FindDictionary(interpreter.DictionaryStack, key);
if (dict != null)
{
var dictOperand = new DictionaryOperand(dict);
operandStack.Push(dictOperand);
ret = true;
}
var boolean = new BooleanOperand {
Value = ret
};
operandStack.Push(boolean);
}
public override void Execute(EpsInterpreter interpreter)
{
var b = new BooleanOperand();
interpreter.OperandStack.Push(b);
}
public Not(BooleanOperand operand0)
: base(operand0)
{
}
public AbstractLogicalOperator(BooleanOperand operand0, BooleanOperand operand1)
: base(operand0, operand1)
{
}
public WhereClause(BooleanOperand boolOp, PropertyReference prop, Comparison comp, object literal)
: base(prop, comp, literal)
{
BooleanOperand = boolOp;
}
public And(BooleanOperand operand0, BooleanOperand operand1)
: base(operand0, operand1)
{
}
public BooleanExpression(BooleanOperand Left, string Operator, BooleanOperand Right)
{
_Left = Left;
_BooleanOperator = BooleanExpression.GetBooleanOperator(Operator);
_Right = Right;
}
public BooleanExpression(BooleanOperand Left, BooleanOperatorType Operator, BooleanOperand Right)
{
_Left = Left;
_BooleanOperator = Operator;
_Right = Right;
}