public string GetAbsolutePath(string executingFilePath, string pagePath)
{
if (string.IsNullOrEmpty(pagePath))
{
// Path is not valid; no change required.
return(pagePath);
}
if (IsApplicationRelativePath(pagePath))
{
// An absolute path already; no change required.
return(pagePath);
}
if (!IsRelativePath(pagePath))
{
// A page name; no change required.
return(pagePath);
}
if (string.IsNullOrEmpty(executingFilePath))
{
// Given a relative path i.e. not yet application-relative (starting with "~/" or "/"), interpret
// path relative to currently-executing view, if any.
// Not yet executing a view. Start in app root.
var absolutePath = "/" + pagePath;
return(PublicViewEnginePath.ResolvePath(absolutePath));
}
return(PublicViewEnginePath.CombinePath(executingFilePath, pagePath));
}
private PublicViewLocationCacheResult OnCacheMiss(ViewLocationExpanderContext expanderContext, PublicViewLocationCacheKey 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);
}
PublicViewLocationCacheResult 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 = PublicViewEnginePath.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 PublicViewLocationCacheResult(searchedLocations);
}
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(this.options.CacheExpirationDuration);
foreach (var expirationToken in expirationTokens)
{
cacheEntryOptions.AddExpirationToken(expirationToken);
}
return(ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions));
}