private CompilationResult GetCompilation(RelativeFileInfo relativeFileInfo, IRazorCompilationService razorCompilationService)
{
CompilationResult compilationResult = razorCompilationService.Compile(relativeFileInfo);
compilationResult.EnsureSuccessful();
return(compilationResult);
}
/// <inheritdoc />
public IRazorPage CreateInstance([NotNull] string path)
{
var fileInfo = _fileInfoCache.GetFileInfo(path);
if (fileInfo != null)
{
var result = _compilationService.Compile(fileInfo);
var page = (IRazorPage)_activator.CreateInstance(_serviceProvider, result.CompiledType);
page.Path = path;
return(page);
}
return(null);
}
public IRazorPage CreateInstance([NotNull] string relativePath, Stream stream)
{
if (relativePath.StartsWith("~/", StringComparison.Ordinal))
{
// For tilde slash paths, drop the leading ~ to make it work with the underlying IFileProvider.
relativePath = relativePath.Substring(1);
}
// Code below is taken from CompilerCache (specifically OnCacheMiss) which is responsible for managing the compilation step in MVC
// Check the file
var fileProvider = stream == null ? (IFileProvider)_fileProvider : new WyamStreamFileProvider(_fileProvider, stream);
var fileInfo = fileProvider.GetFileInfo(relativePath);
if (!fileInfo.Exists)
{
return(null);
}
// If relative path is the root, it probably means this isn't from reading a file so don't bother with caching
IExecutionCache cache = relativePath == "/" ? null : _executionContext.ExecutionCache;
string key = null;
Type pageType = null;
if (cache != null)
{
key = relativePath + " " + RazorFileHash.GetHash(fileInfo);
if (!cache.TryGetValue(key, out pageType))
{
pageType = null;
}
}
// Compile and store in cache if not found
if (pageType == null)
{
var relativeFileInfo = new RelativeFileInfo(fileInfo, relativePath);
pageType = _razorcompilationService.Compile(relativeFileInfo);
cache?.Set(key, pageType);
}
// Create an return a new page instance
IRazorPage page = (IRazorPage)Activator.CreateInstance(pageType);
page.Path = relativePath;
return(page);
}
/// <summary>
/// Gets the Razor page for an input document stream. This is roughly modeled on
/// DefaultRazorPageFactory and CompilerCache. Note that we don't actually bother
/// with caching the page if it's from a live stream.
/// </summary>
private IRazorPage GetPageFromStream(string relativePath, Stream stream,
IFileProvider rootFileProvider, IRazorCompilationService razorCompilationService)
{
if (relativePath.StartsWith("~/", StringComparison.Ordinal))
{
// For tilde slash paths, drop the leading ~ to make it work with the underlying IFileProvider.
relativePath = relativePath.Substring(1);
}
// Get the file info by combining the stream content with info found at the document's original location (if any)
IFileInfo fileInfo = new StreamFileInfo(rootFileProvider.GetFileInfo(relativePath), stream);
RelativeFileInfo relativeFileInfo = new RelativeFileInfo(fileInfo, relativePath);
// Create the compilation
CompilationResult compilationResult = razorCompilationService.Compile(relativeFileInfo);
compilationResult.EnsureSuccessful();
// Create and return the page
// We're not actually using the cache, but the CompilerCacheResult ctor contains the logic to create the page factory
CompilerCacheResult compilerCacheResult = new CompilerCacheResult(relativePath, compilationResult, Array.Empty <IChangeToken>());
return(compilerCacheResult.PageFactory());
}