protected override void SetValue(TValue value)
{
if (DynamicValue) // When overriding a dynamic value, reset the stored data.
{
dynamicValueData = default;
}
base.SetValue(value);
}
/// <summary>
/// Attempts to parse provided script text fragment representing value of the parameter and assign result to the current value.
/// </summary>
/// <param name="playbackSpot">Playback spot of the command to which the parameter belong.</param>
/// <param name="valueText">Parameter value text to parse (see remarks for the expected format).</param>
/// <param name="errors">Parse errors (if any) or null when the parse has succeeded.</param>
/// <remarks>
/// Parameter value is the content after <see cref="Command.ParameterAssignLiteral"/> and before next whitespace (except whitespace inside double quotes).
/// </remarks>
public virtual void SetValueFromScriptText(PlaybackSpot playbackSpot, string valueText, out string errors)
{
errors = null;
var expressions = DynamicValueData.CaptureExprRegex.Matches(valueText).Cast <Match>().Select(m => m.Value).ToArray();
if (expressions.Length > 0)
{
// Value contains injected script expressions (dynamic value); keep the text and parse it at runtime.
dynamicValueData = new DynamicValueData {
PlaybackSpot = playbackSpot, ValueText = valueText, Expressions = expressions
};
HasValue = true;
}
else
{
Value = ParseValueText(valueText, out var hasValue, out errors);
HasValue = hasValue;
}
}
