public static string Replace(string input, _7Sharp.AdditionalFunctionEventHandler handler)
{
FunctionEval functionEval = new FunctionEval(input);
if (handler != null)
{
functionEval.AdditionalFunctionEventHandler += handler;
}
return(functionEval.Replace());
}
public static object Evaluate(string expression, _7Sharp.AdditionalFunctionEventHandler handler)
{
FunctionEval functionEval = new FunctionEval(expression);
if (handler != null)
{
functionEval.AdditionalFunctionEventHandler += handler;
}
return(functionEval.Evaluate());
}
public string Replace()
{
StringBuilder stringBuilder = new StringBuilder(this.Expression);
for (Match match = DefinedRegex.Function.Match(this.Expression); match.Success; match = DefinedRegex.Function.Match(stringBuilder.ToString()))
{
int num = 1;
int index = match.Index + match.Length;
while (num > 0)
{
if (index >= stringBuilder.Length)
{
throw new ArgumentException("Missing ')' in Expression");
}
if (stringBuilder[index] == ')')
{
--num;
}
if (stringBuilder[index] == '(')
{
++num;
}
++index;
}
string str = stringBuilder.ToString(match.Index, index - match.Index);
FunctionEval functionEval = new FunctionEval(str);
// ISSUE: reference to a compiler-generated field
functionEval.AdditionalFunctionEventHandler += this.AdditionalFunctionEventHandler;
functionEval._variables = this._variables;
stringBuilder.Replace(str, string.Concat(functionEval.Evaluate()));
}
for (Match match = DefinedRegex.Variable.Match(stringBuilder.ToString()); match.Success; match = DefinedRegex.Variable.Match(stringBuilder.ToString()))
{
stringBuilder.Replace(match.Value, string.Concat(this._variables[(object)match.Groups["Variable"].Value]));
}
return(stringBuilder.ToString());
}
private int NextToken(int nIdx)
{
Match match1 = (Match)null;
object obj = (object)null;
Match match2 = DefinedRegex.WhiteSpace.Match(this.Expression, nIdx);
if (match2.Success && match2.Index == nIdx)
{
return(nIdx + match2.Length);
}
Match match3 = DefinedRegex.Parenthesis.Match(this.Expression, nIdx);
if (match3.Success)
{
match1 = match3;
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.Function.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.Variable.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)new ExpressionEval.Variable(match4.Groups["Variable"].Value, this._variables);
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.UnaryOp.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)new ExpressionEval.UnaryOp(match4.Value);
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.Hexadecimal.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)Convert.ToInt32(match4.Value, 16);
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.Boolean.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)bool.Parse(match4.Value);
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.DateTime.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)Convert.ToDateTime(match4.Groups["DateString"].Value, (IFormatProvider)CultureInfo.CurrentCulture);
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.TimeSpan.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)new TimeSpan(int.Parse("0" + match4.Groups["Days"].Value), int.Parse(match4.Groups["Hours"].Value), int.Parse(match4.Groups["Minutes"].Value), int.Parse("0" + match4.Groups["Seconds"].Value), int.Parse("0" + match4.Groups["Milliseconds"].Value));
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.Numeric.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
while (match4.Success && (match4.Value ?? "") == "")
{
match4 = match4.NextMatch();
}
if (match4.Success)
{
match1 = match4;
obj = (object)double.Parse(match4.Value, (IFormatProvider)CultureInfo.CurrentCulture);
}
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.String.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)match4.Groups["String"].Value.Replace("\\\"", "\"");
}
}
if (match1 == null || match1.Index > nIdx)
{
Match match4 = DefinedRegex.BinaryOp.Match(this.Expression, nIdx);
if (match4.Success && (match1 == null || match4.Index < match1.Index))
{
match1 = match4;
obj = (object)new ExpressionEval.BinaryOp(match4.Value);
}
}
if (match1 == null)
{
throw new ArgumentException("Invalid expression construction: \"" + this.Expression + "\".");
}
if (match1.Index != nIdx)
{
throw new ArgumentException("Invalid token in expression: [" + this.Expression.Substring(nIdx, match1.Index - nIdx).Trim() + "]");
}
int index;
if (match1.Value == "(" || match1.Value.StartsWith("$"))
{
index = match1.Index + match1.Length;
int num = 1;
bool flag = false;
while (num > 0)
{
if (index >= this.Expression.Length)
{
throw new ArgumentException("Missing " + (flag ? "\"" : ")") + " in Expression");
}
if (!flag && this.Expression[index] == ')')
{
--num;
}
if (!flag && this.Expression[index] == '(')
{
++num;
}
if (this.Expression[index] == '"' && (index == 0 || this.Expression[index - 1] != '\\'))
{
flag = !flag;
}
++index;
}
if (match1.Value == "(")
{
ExpressionEval expressionEval = new ExpressionEval(this.Expression.Substring(match1.Index + 1, index - match1.Index - 2));
// ISSUE: reference to a compiler-generated field
if (this.AdditionalFunctionEventHandler != null)
{
// ISSUE: reference to a compiler-generated field
expressionEval.AdditionalFunctionEventHandler += this.AdditionalFunctionEventHandler;
}
expressionEval._variables = this._variables;
this._expressionlist.Add((object)expressionEval);
}
else
{
FunctionEval functionEval = new FunctionEval(this.Expression.Substring(match1.Index, index - match1.Index));
// ISSUE: reference to a compiler-generated field
if (this.AdditionalFunctionEventHandler != null)
{
// ISSUE: reference to a compiler-generated field
functionEval.AdditionalFunctionEventHandler += this.AdditionalFunctionEventHandler;
}
functionEval._variables = this._variables;
this._expressionlist.Add((object)functionEval);
}
}
else
{
index = match1.Index + match1.Length;
this._expressionlist.Add(obj);
}
return(index);
}
private object ExecuteFunction(string name, object[] p)
{
object[] parameters = (object[])null;
if (p != null)
{
parameters = (object[])p.Clone();
for (int index = 0; index < parameters.Length; ++index)
{
if (parameters[index] is IExpression)
{
parameters[index] = ((IExpression)parameters[index]).Evaluate();
}
}
}
switch (name.ToLower(CultureInfo.CurrentCulture))
{
case "abs":
return((object)Math.Abs(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "acos":
return((object)Math.Acos(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "adddays":
return((object)Convert.ToDateTime(parameters[0]).AddDays((double)Convert.ToInt32(parameters[1])));
case "addhours":
return((object)Convert.ToDateTime(parameters[0]).AddHours((double)Convert.ToInt32(parameters[1])));
case "addminutes":
return((object)Convert.ToDateTime(parameters[0]).AddMinutes((double)Convert.ToInt32(parameters[1])));
case "addmonths":
return((object)Convert.ToDateTime(parameters[0]).AddMonths(Convert.ToInt32(parameters[1])));
case "addseconds":
return((object)Convert.ToDateTime(parameters[0]).AddSeconds((double)Convert.ToInt32(parameters[1])));
case "addyears":
return((object)Convert.ToDateTime(parameters[0]).AddYears(Convert.ToInt32(parameters[1])));
case "asin":
return((object)Math.Asin(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "atan":
return((object)Math.Atan(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "case":
return(FunctionEval.Case(parameters));
case "cdatetime":
return((object)Convert.ToDateTime(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture));
case "cdbl":
return((object)Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture));
case "ciel":
return((object)Math.Ceiling(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "cint":
return((object)Convert.ToInt32(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture));
case "clong":
return((object)Convert.ToInt64(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture));
case "cos":
return((object)Math.Cos(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "cosh":
return((object)Math.Cosh(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "cot":
return((object)(1.0 / Math.Tan(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture))));
case "csc":
return((object)(1.0 / Math.Sin(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture))));
case "cuint":
return((object)Convert.ToUInt32(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture));
case "culong":
return((object)Convert.ToUInt64(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture));
case "currentuserid":
return((object)WindowsIdentity.GetCurrent().Name.ToLower());
case "e":
return((object)Math.E);
case "exp":
return((object)Math.Exp(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "expr":
ExpressionEval expressionEval = new ExpressionEval(string.Concat(parameters[0]));
// ISSUE: reference to a compiler-generated field
expressionEval.AdditionalFunctionEventHandler += this.AdditionalFunctionEventHandler;
expressionEval._variables = this._variables;
return(expressionEval.Evaluate());
case "floor":
return((object)Math.Floor(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "fmtdate":
return((object)Convert.ToDateTime(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture).ToString(string.Concat(parameters[1]), (IFormatProvider)CultureInfo.CurrentCulture));
case "fmtnum":
return((object)Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture).ToString(string.Concat(parameters[1]), (IFormatProvider)CultureInfo.CurrentCulture));
case "iif":
return(FunctionEval.Iif(parameters));
case "log":
return((object)(parameters.Length > 1 ? Math.Log(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture), Convert.ToDouble(parameters[1], (IFormatProvider)CultureInfo.CurrentCulture)) : Math.Log(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture))));
case "log10":
return((object)Math.Log10(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "max":
return((object)Math.Max(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture), Convert.ToDouble(parameters[1], (IFormatProvider)CultureInfo.CurrentCulture)));
case "maxdate":
return((object)DateTime.MaxValue);
case "min":
return((object)Math.Min(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture), Convert.ToDouble(parameters[1], (IFormatProvider)CultureInfo.CurrentCulture)));
case "mindate":
return((object)DateTime.MinValue);
case "monthname":
return((object)new DateTime(2000, Convert.ToInt32(parameters[0]), 1).ToString("MMMM"));
case "now":
return((object)DateTime.Now);
case "pi":
return((object)Math.PI);
case "pow":
return((object)Math.Pow(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture), Convert.ToDouble(parameters[1], (IFormatProvider)CultureInfo.CurrentCulture)));
case "round":
return((object)(parameters.Length > 1 ? Math.Round(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture), Convert.ToInt32(parameters[1], (IFormatProvider)CultureInfo.CurrentCulture)) : Math.Round(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture))));
case "sec":
return((object)(1.0 / Math.Cos(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture))));
case "sin":
return((object)Math.Sin(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "sinh":
return((object)Math.Sinh(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "sqrt":
return((object)Math.Sqrt(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "str":
return((object)parameters[0].ToString());
case "tan":
return((object)Math.Tan(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "tanh":
return((object)Math.Tanh(Convert.ToDouble(parameters[0], (IFormatProvider)CultureInfo.CurrentCulture)));
case "today":
return((object)DateTime.Today);
default:
return(this.AdditionalFunctionHelper(name, parameters));
}
}
