/// <summary>
/// 添加一个路由规则
/// </summary>
/// <param name="rule">路由规则</param>
protected void AddRule(SimpleRoutingRule rule)
{
{
var conflictRule = _rules
.Where(r => r.RouteKeys.Length == rule.RouteKeys.Length) //若通过RouteKey多寡无法区分
.Where(r => r.DynamicRouteKyes.Length == rule.DynamicRouteKyes.Length) //若通过动态路径段多寡也无法区分
.Where(r => !SimpleRoutingRule.Mutex(r, rule)) //若与现存规则不互斥
.FirstOrDefault();
if (conflictRule != null)
{
throw new InvalidOperationException(string.Format("添加规则\"{0}\"失败，路由表中已经存在一条可能冲突的规则：\"{1}\"", rule.Name, conflictRule.Name));
}
}
{
var conflictRule = _rules
.Where(r => r.Paragraphes.Length == rule.Paragraphes.Length) //若路径段长度一致
.Where(r => r.StaticPrefix.EqualsIgnoreCase(rule.StaticPrefix)) //若静态段也一致
.FirstOrDefault();
if (conflictRule != null)
{
throw new InvalidOperationException(string.Format("添加规则\"{0}\"失败，路由表中已经存在一条可能冲突的规则：\"{1}\"", rule.Name, conflictRule.Name));
}
}
_rules.Add(rule);
}
/// <summary>
/// 检查两个路由规则是否互斥。
/// </summary>
/// <param name="rule1">路由规则1</param>
/// <param name="rule2">路由规则2</param>
/// <returns></returns>
public static bool Mutex(SimpleRoutingRule rule1, SimpleRoutingRule rule2)
{
var KeySet = new HashSet <string>(rule1.StaticRouteValues.Keys, StringComparer.OrdinalIgnoreCase);
var KeySet2 = new HashSet <string>(rule2.StaticRouteValues.Keys, StringComparer.OrdinalIgnoreCase);
KeySet.IntersectWith(KeySet2);
return(KeySet.Any(key => !rule1.StaticRouteValues[key].EqualsIgnoreCase(rule2.StaticRouteValues[key])));
}
/// <summary>
/// 比较两个路由规则约束是否一致
/// </summary>
/// <param name="rule">要比较的路由规则</param>
/// <returns>两个规则的约束是否一致</returns>
public bool EqualsConstraints(SimpleRoutingRule rule)
{
if (rule == null)
{
throw new ArgumentNullException("rule");
}
if (rule.StaticRouteValues.Count != StaticRouteValues.Count)
{
return(false);
}
return(IsMatch(rule.StaticRouteValues));
}
/// <summary>
/// 添加一个路由规则
/// </summary>
/// <param name="name"></param>
/// <param name="urlPattern"></param>
/// <param name="routeValues"></param>
/// <param name="queryKeys"></param>
/// <param name="limitedQueries"></param>
public void AddRule(string name, string urlPattern, IDictionary <string, string> routeValues, string[] queryKeys, bool limitedQueries)
{
if (urlPattern == null)
{
throw new ArgumentNullException("urlPattern");
}
if (routeValues == null)
{
throw new ArgumentNullException("routeValues");
}
var rule = new SimpleRoutingRule(this, name, urlPattern, routeValues, queryKeys ?? new string[0], limitedQueries);
AddRule(rule);
}
