/// <summary>
/// Add a binding rule for the given attribute
/// </summary>
/// <typeparam name="TAttribute"></typeparam>
/// <returns></returns>
public FluentBindingRule <TAttribute> AddBindingRule <TAttribute>() where TAttribute : Attribute
{
var bindingAttrs = typeof(TAttribute).GetCustomAttributes(typeof(BindingAttribute), false);
if (!bindingAttrs.Any())
{
throw new InvalidOperationException($"Can't add a binding rule for '{typeof(TAttribute).Name}' since it is missing the a {typeof(BindingAttribute).Name}");
}
var isTrigger = typeof(TAttribute).Name.EndsWith("TriggerAttribute", StringComparison.OrdinalIgnoreCase);
if (!isTrigger && ((BindingAttribute)bindingAttrs.First()).TriggerHandlesReturnValue)
{
throw new InvalidOperationException($"Only declare {nameof(BindingAttribute.TriggerHandlesReturnValue)} property true for trigger bindings.");
}
if (!_existingRules.Add(typeof(TAttribute)))
{
throw new InvalidOperationException($"Only call AddBindingRule once per attribute type.");
}
var fluent = new FluentBindingRule <TAttribute>(this.Config);
_updates.Add(fluent.ApplyRules);
return(fluent);
}
/// <summary>
/// Add a binding rule for the given attribute
/// </summary>
/// <typeparam name="TAttribute"></typeparam>
/// <returns></returns>
public FluentBindingRule <TAttribute> AddBindingRule <TAttribute>() where TAttribute : Attribute
{
bool hasBindingAttr = typeof(TAttribute).GetCustomAttributes(typeof(BindingAttribute), false).Length > 0;
if (!hasBindingAttr)
{
throw new InvalidOperationException($"Can't add a binding rule for '{typeof(TAttribute).Name}' since it is missing the a {typeof(BindingAttribute).Name}");
}
if (!_existingRules.Add(typeof(TAttribute)))
{
throw new InvalidOperationException($"Only call AddBindingRule once per attribute type.");
}
var fluent = new FluentBindingRule <TAttribute>(this.Config);
_updates.Add(fluent.ApplyRules);
return(fluent);
}
// Ensure that multiple attempts bind to the same attribute, they get the same rule object.
private FluentBindingRule <TAttribute> GetOrCreate <TAttribute>()
where TAttribute : Attribute
{
FluentBindingRule <TAttribute> rule;
if (!this._rules.TryGetValue(typeof(TAttribute), out object temp))
{
// Create and register
rule = new FluentBindingRule <TAttribute>(_nameResolver, _converterManager, _extensionRegistry);
this._rules[typeof(TAttribute)] = rule;
_updates.Add(rule.ApplyRules);
}
else
{
// Return existing.
rule = (FluentBindingRule <TAttribute>)temp;
}
return(rule);
}
// Ensure that multiple attempts bind to the same attribute, they get the same rule object.
private FluentBindingRule <TAttribute> GetOrCreate <TAttribute>()
where TAttribute : Attribute
{
FluentBindingRule <TAttribute> rule;
object temp;
if (!this._rules.TryGetValue(typeof(TAttribute), out temp))
{
// Create and register
rule = new FluentBindingRule <TAttribute>(this.Config);
this._rules[typeof(TAttribute)] = rule;
_updates.Add(rule.ApplyRules);
}
else
{
// Return existing.
rule = (FluentBindingRule <TAttribute>)temp;
}
return(rule);
}
