/// <summary>
/// Recupera o container condicional.
/// </summary>
/// <param name="enumerator"></param>
/// <param name="containerInfo"></param>
/// <returns></returns>
public static ConditionalTerm GetContainer(ref IEnumerator <Text.InterpreterExpression.Expression> enumerator, Text.InterpreterExpression.ContainerChars containerInfo)
{
return(GetContainer(ref enumerator, ConditionalLexer.Configuration, containerInfo));
}
/// <summary>
/// Recupera container condicional.
/// </summary>
/// <param name="enumerator">Enumerador dos items que serão analizados.</param>
/// <param name="configuration"></param>
/// <param name="containerInfo"></param>
/// <returns></returns>
private static ConditionalTerm GetContainer(ref IEnumerator <Text.InterpreterExpression.Expression> enumerator, Text.InterpreterExpression.ILexerConfiguration configuration, Text.InterpreterExpression.ContainerChars containerInfo)
{
ConditionalContainer container = null;
var logical = Text.InterpreterExpression.TokenID.And;
while (containerInfo == null || (string.IsNullOrEmpty(enumerator.Current.Text) || enumerator.Current.Text[0] != containerInfo.Stop))
{
var conditional = GetConditional(ref enumerator, configuration, containerInfo != null ? (char?)containerInfo.Stop : null);
if (((conditional is ValuesArray) || (conditional is FunctionCall)) && container == null)
{
return(conditional);
}
else if (container == null)
{
container = new ConditionalContainer(conditional);
}
else if (logical == Text.InterpreterExpression.TokenID.And)
{
container.And(conditional);
}
else if (logical == Text.InterpreterExpression.TokenID.Plus || logical == Text.InterpreterExpression.TokenID.Minus || logical == Text.InterpreterExpression.TokenID.Star || logical == Text.InterpreterExpression.TokenID.Slash)
{
Operator oper = null;
switch (logical)
{
case Text.InterpreterExpression.TokenID.Plus:
oper = new Operator("+");
break;
case Text.InterpreterExpression.TokenID.Minus:
oper = new Operator("-");
break;
case Text.InterpreterExpression.TokenID.Star:
oper = new Operator("*");
break;
case Text.InterpreterExpression.TokenID.Slash:
oper = new Operator("/");
break;
}
ConditionalTerm left = container;
if (container.ConditionalsCount == 1)
{
left = container.Conditionals.First();
}
container = new ConditionalContainer(new Conditional(left, oper, conditional));
}
else
{
container.Or(conditional);
}
if (enumerator.Current == null || (containerInfo != null && enumerator.Current.Text[0] == containerInfo.Stop))
{
return(container);
}
else if (enumerator.Current.Token == (int)Text.InterpreterExpression.TokenID.And || enumerator.Current.Token == (int)Query.Parser.SqlTokenID.kAnd)
{
logical = Text.InterpreterExpression.TokenID.And;
}
else if (enumerator.Current.Token == (int)Text.InterpreterExpression.TokenID.Or || enumerator.Current.Token == (int)Query.Parser.SqlTokenID.kOr)
{
logical = Text.InterpreterExpression.TokenID.Or;
}
else if (enumerator.Current.Token == (int)Text.InterpreterExpression.TokenID.Plus || enumerator.Current.Token == (int)Text.InterpreterExpression.TokenID.Minus || enumerator.Current.Token == (int)Text.InterpreterExpression.TokenID.Star || enumerator.Current.Token == (int)Text.InterpreterExpression.TokenID.Slash)
{
logical = (Text.InterpreterExpression.TokenID)enumerator.Current.Token;
}
if (!enumerator.MoveNext())
{
break;
}
}
return(container);
}
