private static IEnumerable <MetaConfigurationSourceInstanceElement> GetMatchedInstances(MetaConfigurationSourceInstanceElementCollection instances, InstanceMode mode)
{
List <MetaConfigurationSourceInstanceElement> modeMatched = new List <MetaConfigurationSourceInstanceElement>(instances.FilterByInstanceMode(mode));
List <MetaConfigurationSourceInstanceElement> result = null;
if (mode == InstanceMode.Web)
{
//匹配站点名称
List <MetaConfigurationSourceInstanceElement> matchedItems = modeMatched.FindAll(i => string.Compare(i.Name, HostingEnvironment.SiteName, true) == 0);
if (matchedItems.Count == 0)
{
//如果站点名称没有匹配到，则添加默认项
if (modeMatched.Count > 0)
{
matchedItems.Add(modeMatched[0]);
}
}
result = new List <MetaConfigurationSourceInstanceElement>(matchedItems);
}
else
{
result = modeMatched;
}
return(result);
}
