public object Expand(string value)
{
var match = VariableRegex.Match(value);
var key = match.Groups["Variable"].Value;
ModelData data = null;
if (_contexts.Any())
{
var expansionContext = _contexts.Peek();
data = expansionContext.Data;
if (expansionContext.Has(key))
{
return(expansionContext.Get(key));
}
}
var context = new VariableExpansionContext(_services, key, data);
var variable = _registry.Find(context);
if (variable == null)
{
return(value);
}
return(variable.Expand(context));
}
public IMappingVariable Find(VariableExpansionContext context)
{
return(_sources
.SelectMany(_ => _.Variables())
.LastOrDefault(_ => _.Matches(context)));
}
public bool Matches(VariableExpansionContext context)
{
return(context.Data != null && context.Key.StartsWith("this."));
}
public object Expand(VariableExpansionContext context)
{
var key = context.Key.Substring("this.".Length);
return(context.Data[key]);
}
public override object Expand(VariableExpansionContext context)
{
return(context.Service <IClarifySession>().UserName);
}
