public override void ExitFormat_function(YarnSpinnerV1Parser.Format_functionContext context)
{
// V1: [select {$gender} male="male" female="female" other="other"]
// function_name: "select" variable: "$gender" key_value_pair="male="male"..."
//
// V2: [select value={$gender} male="male" female="female" other="other"/]
var formatFunctionType = context.function_name?.Text;
var variableContext = context.variable();
if (formatFunctionType == null || variableContext == null)
{
// Not actually a format function, but the parser may
// have misinterpreted it? Do nothing here.
return;
}
var variableName = variableContext.GetText();
StringBuilder sb = new StringBuilder();
sb.Append($"{formatFunctionType} value={{{variableName}}}");
foreach (var kvp in context.key_value_pair())
{
sb.Append($" {kvp.GetText()}");
}
sb.Append(" /");
// '[' and ']' are tokens that wrap this format_function,
// so we're just replacing its innards
var originalLength = context.Stop.StopIndex + 1 - context.Start.StartIndex;
var originalStart = context.Start.StartIndex;
var originalText = this.contents.Substring(originalStart, originalLength);
var replacement = new TextReplacement()
{
Start = context.Start.StartIndex,
StartLine = context.Start.Line,
OriginalText = originalText,
ReplacementText = sb.ToString(),
Comment = "Format functions have been replaced with markup.",
};
// Deliver the replacement!
this.replacementCallback(replacement);
}
/// <summary>
/// Exit a parse tree produced by <see cref="YarnSpinnerV1Parser.format_function"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitFormat_function([NotNull] YarnSpinnerV1Parser.Format_functionContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="YarnSpinnerV1Parser.format_function"/>.
/// <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 VisitFormat_function([NotNull] YarnSpinnerV1Parser.Format_functionContext context)
{
return(VisitChildren(context));
}