void label_ValidateToken(object sender, ValidateTokenEventArgs e)
{
//check that token starts at position 0
if (e.Token.Location.Column > 0) //Column is 0-based
{
e.RejectToken();
}
}//constructor
private void KeywordAdded(object sender, ValidateTokenEventArgs ea)
{
if (_nodes.SelectedNode?.Tag is ThreatSourceNodeParentChild node)
{
var list = new List <EditToken>(_keywords.SelectedTokens);
list.Add(ea.Token);
_associatedKeywords[node.Node.Id] = list.ToArray();
}
}
public static void SetError(this ValidateTokenEventArgs e, string errorMessage, params object[] messageArgs)
{
e.Context.CurrentToken = e.Context.CreateErrorToken(errorMessage, messageArgs);
}
public static void ReplaceToken(this ValidateTokenEventArgs e, Token token)
{
e.Context.CurrentToken = token;
}
//Rejects the token; use it when there's more than one terminal that can be used to scan the input and ValidateToken is used
// to help Scanner make the decision. Once the token is rejected, the scanner will move to the next Terminal (with lower priority)
// and will try to produce token.
public static void RejectToken(this ValidateTokenEventArgs e)
{
e.Context.CurrentToken = null;
}
private void _appliesTo_ValidateToken(object sender, ValidateTokenEventArgs ea)
{
ea.IsValid = !ea.IsNewToken;
}
// Remove this when it appears in Irony (if ever). See https://irony.codeplex.com/discussions/438247#post1026398
/// <summary>
/// Replace the current token with a token based on <paramref name="newTerminal"/>, while keeping everything else
/// the same as the current token.
/// </summary>
/// <param name="newTerminal"></param>
public static void ReplaceToken(this ValidateTokenEventArgs @this, Terminal newTerminal)
{
@this.ReplaceToken(new Token(newTerminal, @this.Context.CurrentToken.Location, @this.Context.CurrentToken.Text, @this.Context.CurrentToken.Value));
}
//All numbers are treated as HEX initially; here we need to analyze suffix (if any) and convert the value
void number_ValidateToken(object sender, ValidateTokenEventArgs e)
{
}
private void OnValidateToken(object sender, ValidateTokenEventArgs ea)
{
ea.IsValid = !(SelectedTokens?.Contains(ea.Token) ?? false);
}
