/// <summary>
/// Visit a parse tree produced by <see cref="CodeQueryParser.selectorAttribute" />.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)" />
/// on <paramref name="context" />.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <returns></returns>
/// <return>The visitor result.</return>
public override Object VisitSelectorAttribute(CodeQueryParser.SelectorAttributeContext context)
{
var name = context.AttributeName.Text;
var value = context.AttributeValue
.Safe(attributeValue => attributeValue.Accept(this) as ConstantElement);
return(SelectorFactory.CreateAttributeSelector(name, value));
}
public override CodeQueryVisitor VisitSelectorAttribute(CodeQueryParser.SelectorAttributeContext context)
{
context.AttributeValue.Accept(this);
if (!_constants.Any())
{
throw new Exception("Invalid selectorElement attribute!");
}
_selectorBuilder.CreateSelectorAttribute(context.AttributeName.Text, _constants.Pop());
return(base.VisitSelectorAttribute(context));
}
/// <summary>
/// Visit a parse tree produced by <see cref="CodeQueryParser.selectorAttribute"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitSelectorAttribute([NotNull] CodeQueryParser.SelectorAttributeContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="CodeQueryParser.selectorAttribute"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitSelectorAttribute([NotNull] CodeQueryParser.SelectorAttributeContext context)
{
}