/// <summary>
/// Creates a new instance of <see cref="TemplateBinder"/>.
/// </summary>
/// <param name="urlEncoder">The <see cref="UrlEncoder"/>.</param>
/// <param name="pool">The <see cref="ObjectPool{T}"/>.</param>
/// <param name="template">The <see cref="RouteTemplate"/> to bind values to.</param>
/// <param name="defaults">The default values for <paramref name="template"/>.</param>
public TemplateBinder(
UrlEncoder urlEncoder,
ObjectPool <UriBuildingContext> pool,
RouteTemplate template,
RouteValueDictionary defaults)
: this(urlEncoder, pool, template?.ToRoutePattern(), defaults)
{
}
public TemplateMatcher(
RouteTemplate template,
RouteValueDictionary defaults)
{
if (template == null)
{
throw new ArgumentNullException(nameof(template));
}
Template = template;
Defaults = defaults ?? new RouteValueDictionary();
// Perf: cache the default value for each parameter (other than complex segments).
_hasDefaultValue = new bool[Template.Segments.Count];
_defaultValues = new object[Template.Segments.Count];
for (var i = 0; i < Template.Segments.Count; i++)
{
var segment = Template.Segments[i];
if (!segment.IsSimple)
{
continue;
}
var part = segment.Parts[0];
if (!part.IsParameter)
{
continue;
}
object value;
if (Defaults.TryGetValue(part.Name, out value))
{
_hasDefaultValue[i] = true;
_defaultValues[i] = value;
}
}
var routePattern = Template.ToRoutePattern();
_routePatternMatcher = new RoutePatternMatcher(routePattern, Defaults);
}