/// <summary>
/// Gets the view for an input document (which is different than the view for a layout, partial, or
/// other indirect view because it's not necessarily on disk or in the file system).
/// </summary>
private IView GetViewFromStream(string relativePath, Stream stream, string viewStartLocation, string layoutLocation,
IRazorViewEngine viewEngine, IRazorPageActivator pageActivator, HtmlEncoder htmlEncoder,
IRazorPageFactoryProvider pageFactoryProvider, IFileProvider rootFileProvider, IRazorCompilationService razorCompilationService)
{
IEnumerable <string> viewStartLocations = viewStartLocation != null
? new [] { viewStartLocation }
: ViewHierarchyUtility.GetViewStartLocations(relativePath);
List <IRazorPage> viewStartPages = viewStartLocations
.Select(pageFactoryProvider.CreateFactory)
.Where(x => x.Success)
.Select(x => x.RazorPageFactory())
.Reverse()
.ToList();
IRazorPage page = GetPageFromStream(relativePath, viewStartLocation, layoutLocation, stream, rootFileProvider, razorCompilationService);
if (layoutLocation != null)
{
page.Layout = layoutLocation;
}
return(new RazorView(viewEngine, pageActivator, viewStartPages, page, htmlEncoder));
}
/// <summary>
/// Gets the view for an input document (which is different than the view for a layout, partial, or
/// other indirect view because it's not necessarily on disk or in the file system).
/// </summary>
private IView GetViewFromStream(IServiceProvider serviceProvider, RenderRequest request, IRazorPage page)
{
IEnumerable <string> viewStartLocations = request.ViewStartLocation != null
? new[] { request.ViewStartLocation }
: ViewHierarchyUtility.GetViewStartLocations(request.RelativePath);
List <IRazorPage> viewStartPages = viewStartLocations
.Select(serviceProvider.GetRequiredService <IRazorPageFactoryProvider>().CreateFactory)
.Where(x => x.Success)
.Select(x => x.RazorPageFactory())
.Reverse()
.ToList();
if (request.LayoutLocation != null)
{
page.Layout = request.LayoutLocation;
}
IRazorViewEngine viewEngine = serviceProvider.GetRequiredService <IRazorViewEngine>();
IRazorPageActivator pageActivator = serviceProvider.GetRequiredService <IRazorPageActivator>();
HtmlEncoder htmlEncoder = serviceProvider.GetRequiredService <HtmlEncoder>();
return(new RazorView(viewEngine, pageActivator, viewStartPages, page, htmlEncoder));
}
/// <summary>
/// Gets an ordered <see cref="IReadOnlyList{T}"/> of parsed <see cref="CodeTree"/> for each
/// <c>_ViewImports</c> that is applicable to the page located at <paramref name="pagePath"/>. The list is
/// ordered so that the <see cref="CodeTree"/> for the <c>_ViewImports</c> closest to the
/// <paramref name="pagePath"/> in the file system appears first.
/// </summary>
/// <param name="pagePath">The path of the page to locate inherited chunks for.</param>
/// <returns>A <see cref="IReadOnlyList{CodeTree}"/> of parsed <c>_ViewImports</c>
/// <see cref="CodeTree"/>s.</returns>
public virtual IReadOnlyList <CodeTree> GetInheritedCodeTrees([NotNull] string pagePath)
{
var inheritedCodeTrees = new List <CodeTree>();
var templateEngine = new RazorTemplateEngine(_razorHost);
foreach (var viewImportsPath in ViewHierarchyUtility.GetViewImportsLocations(pagePath))
{
// viewImportsPath contains the app-relative path of the _ViewImports.
// Since the parsing of a _ViewImports would cause parent _ViewImports to be parsed
// we need to ensure the paths are app-relative to allow the GetGlobalFileLocations
// for the current _ViewImports to succeed.
var codeTree = _codeTreeCache.GetOrAdd(viewImportsPath,
fileInfo => ParseViewFile(templateEngine,
fileInfo,
viewImportsPath));
if (codeTree != null)
{
inheritedCodeTrees.Add(codeTree);
}
}
return(inheritedCodeTrees);
}
