private ViewLocationCacheResult LocatePageFromPath(string executingFilePath, string pagePath, bool isMainPage)
{
var applicationRelativePath = GetAbsolutePath(executingFilePath, pagePath);
var cacheKey = new ViewLocationCacheKey(applicationRelativePath, isMainPage);
if (!ViewLookupCache.TryGetValue(cacheKey, out ViewLocationCacheResult cacheResult))
{
var expirationTokens = new HashSet <IChangeToken>();
cacheResult = CreateCacheResult(expirationTokens, applicationRelativePath, isMainPage);
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration);
foreach (var expirationToken in expirationTokens)
{
cacheEntryOptions.AddExpirationToken(expirationToken);
}
// No views were found at the specified location. Create a not found result.
if (cacheResult == null)
{
cacheResult = new ViewLocationCacheResult(new[] { applicationRelativePath });
}
cacheResult = ViewLookupCache.Set(
cacheKey,
cacheResult,
cacheEntryOptions);
}
return(cacheResult);
}
private ViewLocationCacheResult OnCacheMiss(
ViewLocationExpanderContext expanderContext,
ViewLocationCacheKey cacheKey)
{
var viewLocations = GetViewLocationFormats(expanderContext);
var expanders = _options.ViewLocationExpanders;
// Read interface .Count once rather than per iteration
var expandersCount = expanders.Count;
for (var i = 0; i < expandersCount; i++)
{
viewLocations = expanders[i].ExpandViewLocations(expanderContext, viewLocations);
}
ViewLocationCacheResult?cacheResult = null;
var searchedLocations = new List <string>();
var expirationTokens = new HashSet <IChangeToken>();
foreach (var location in viewLocations)
{
var path = string.Format(
CultureInfo.InvariantCulture,
location,
expanderContext.ViewName,
expanderContext.ControllerName,
expanderContext.AreaName);
path = ViewEnginePath.ResolvePath(path);
cacheResult = CreateCacheResult(expirationTokens, path, expanderContext.IsMainPage);
if (cacheResult != null)
{
break;
}
searchedLocations.Add(path);
}
// No views were found at the specified location. Create a not found result.
if (cacheResult == null)
{
cacheResult = new ViewLocationCacheResult(searchedLocations);
}
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration);
foreach (var expirationToken in expirationTokens)
{
cacheEntryOptions.AddExpirationToken(expirationToken);
}
ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions);
return(cacheResult);
}
private ViewEngineResult CreateViewEngineResult(ViewLocationCacheResult result, string viewName)
{
if (!result.Success)
{
return(ViewEngineResult.NotFound(viewName, result.SearchedLocations !));
}
var page = result.ViewEntry.PageFactory();
var viewStarts = new IRazorPage[result.ViewStartEntries !.Count];
private ViewEngineResult CreateViewEngineResult(ViewLocationCacheResult result, string viewName)
{
if (!result.Success)
{
return(ViewEngineResult.NotFound(viewName, result.SearchedLocations));
}
var page = result.ViewEntry.PageFactory();
var viewStarts = new IRazorPage[result.ViewStartEntries.Count];
for (var i = 0; i < viewStarts.Length; i++)
{
var viewStartItem = result.ViewStartEntries[i];
viewStarts[i] = viewStartItem.PageFactory();
}
var view = new RazorView(this, _pageActivator, viewStarts, page, _htmlEncoder, _diagnosticListener);
return(ViewEngineResult.Found(viewName, view));
}
private ViewLocationCacheResult OnCacheMiss(
ViewLocationExpanderContext expanderContext,
ViewLocationCacheKey cacheKey)
{
var sb = new StringBuilder();
sb.Append(expanderContext.ViewName)
.Append(expanderContext.ControllerName)
.Append(expanderContext.AreaName);
var key = sb.ToString();
if (!_viewLocations1.ContainsKey(key))
{
var viewLocations = GetViewLocationFormats(expanderContext);
for (var i = 0; i < _options.ViewLocationExpanders.Count; i++)
{
viewLocations = _options.ViewLocationExpanders[i]
.ExpandViewLocations(expanderContext, viewLocations);
}
var resolvedLocations = new List <string>();
foreach (var location in viewLocations)
{
var path = string.Format(
CultureInfo.InvariantCulture,
location,
expanderContext.ViewName,
expanderContext.ControllerName,
expanderContext.AreaName);
path = ViewEnginePath.ResolvePath(path);
resolvedLocations.Add(path);
}
_viewLocations1[key] = resolvedLocations;
}
ViewLocationCacheResult cacheResult = null;
var searchedLocations = new List <string>();
var expirationTokens = new HashSet <IChangeToken>();
foreach (var path in _viewLocations1[key])
{
cacheResult = CreateCacheResult(expirationTokens, path, expanderContext.IsMainPage);
if (cacheResult != null)
{
break;
}
searchedLocations.Add(path);
}
// No views were found at the specified location. Create a not found result.
if (cacheResult == null)
{
cacheResult = new ViewLocationCacheResult(searchedLocations);
}
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration);
//foreach (var expirationToken in expirationTokens)
//{
// cacheEntryOptions.AddExpirationToken(expirationToken);
//}
return(ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions));
}
