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RazorViewEngineOptionsSetup.cs
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RazorViewEngineOptionsSetup.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System.Linq;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Razor;
using Microsoft.CodeAnalysis;
using Microsoft.Extensions.Options;
namespace Microsoft.AspNetCore.Mvc
{
/// <summary>
/// Sets up default options for <see cref="RazorViewEngineOptions"/>.
/// </summary>
public class RazorViewEngineOptionsSetup : ConfigureOptions<RazorViewEngineOptions>
{
/// <summary>
/// Initializes a new instance of <see cref="RazorViewEngineOptions"/>.
/// </summary>
/// <param name="hostingEnvironment"><see cref="IHostingEnvironment"/> for the application.</param>
public RazorViewEngineOptionsSetup(
IHostingEnvironment hostingEnvironment)
: base(options => ConfigureRazor(options, hostingEnvironment))
{
}
private static void ConfigureRazor(
RazorViewEngineOptions razorOptions,
IHostingEnvironment hostingEnvironment)
{
if (hostingEnvironment.ContentRootFileProvider != null)
{
razorOptions.FileProviders.Add(hostingEnvironment.ContentRootFileProvider);
}
var compilationOptions = razorOptions.CompilationOptions;
string configurationSymbol;
if (hostingEnvironment.IsDevelopment())
{
configurationSymbol = "DEBUG";
razorOptions.CompilationOptions = compilationOptions.WithOptimizationLevel(OptimizationLevel.Debug);
}
else
{
configurationSymbol = "RELEASE";
razorOptions.CompilationOptions = compilationOptions.WithOptimizationLevel(OptimizationLevel.Release);
}
var parseOptions = razorOptions.ParseOptions;
razorOptions.ParseOptions = parseOptions.WithPreprocessorSymbols(
parseOptions.PreprocessorSymbolNames.Concat(new[] { configurationSymbol }));
razorOptions.ViewLocationFormats.Add("/Views/{1}/{0}" + RazorViewEngine.ViewExtension);
razorOptions.ViewLocationFormats.Add("/Views/Shared/{0}" + RazorViewEngine.ViewExtension);
razorOptions.AreaViewLocationFormats.Add("/Areas/{2}/Views/{1}/{0}" + RazorViewEngine.ViewExtension);
razorOptions.AreaViewLocationFormats.Add("/Areas/{2}/Views/Shared/{0}" + RazorViewEngine.ViewExtension);
razorOptions.AreaViewLocationFormats.Add("/Views/Shared/{0}" + RazorViewEngine.ViewExtension);
}
}
}