public DisplayForTagHelper(IModelMetadataProvider modelMetadataProvider, ICompositeViewEngine viewEngine,
IViewBufferScope viewBufferScope)
{
_modelMetadataProvider = modelMetadataProvider;
_viewEngine = viewEngine;
_viewBufferScope = viewBufferScope;
}
/// <summary>
/// Creates a new <see cref="PartialTagHelper"/>.
/// </summary>
/// <param name="viewEngine">The <see cref="ICompositeViewEngine"/> used to locate the partial view.</param>
/// <param name="viewBufferScope">The <see cref="IViewBufferScope"/>.</param>
public PartialTagHelper(
ICompositeViewEngine viewEngine,
IViewBufferScope viewBufferScope)
{
_viewEngine = viewEngine ?? throw new ArgumentNullException(nameof(viewEngine));
_viewBufferScope = viewBufferScope ?? throw new ArgumentNullException(nameof(viewBufferScope));
}
public SafeMemoryPoolViewBufferScope(ArrayPool <ViewBufferValue> viewBufferPool, ArrayPool <char> charPool, IHttpContextAccessor contextAccessor)
{
this.viewBufferPool = viewBufferPool;
this.charPool = charPool;
scopedBuffer = new MemoryPoolViewBufferScope(viewBufferPool, charPool);
this.contextAccessor = contextAccessor;;
}
/// <summary>
/// Initializes a new instance of the <see cref="HtmlHelper{TModel}"/> class.
/// </summary>
public HtmlHelper(
IHtmlGenerator htmlGenerator,
ICompositeViewEngine viewEngine,
IModelMetadataProvider metadataProvider,
#pragma warning disable PUB0001 // Pubternal type in public API
IViewBufferScope bufferScope,
#pragma warning restore PUB0001
HtmlEncoder htmlEncoder,
UrlEncoder urlEncoder,
#pragma warning disable PUB0001 // Pubternal type in public API
ExpressionTextCache expressionTextCache
#pragma warning restore PUB0001
)
: base(
htmlGenerator,
viewEngine,
metadataProvider,
bufferScope,
htmlEncoder,
urlEncoder)
{
if (expressionTextCache == null)
{
throw new ArgumentNullException(nameof(expressionTextCache));
}
_expressionTextCache = expressionTextCache;
}
public TemplateRenderer(
IViewEngine viewEngine,
IViewBufferScope bufferScope,
ViewContext viewContext,
ViewDataDictionary viewData,
string templateName,
bool readOnly)
{
if (viewEngine == null)
{
throw new ArgumentNullException(nameof(viewEngine));
}
if (bufferScope == null)
{
throw new ArgumentNullException(nameof(bufferScope));
}
if (viewContext == null)
{
throw new ArgumentNullException(nameof(viewContext));
}
if (viewData == null)
{
throw new ArgumentNullException(nameof(viewData));
}
_viewEngine = viewEngine;
_bufferScope = bufferScope;
_viewContext = viewContext;
_viewData = viewData;
_templateName = templateName;
_readOnly = readOnly;
}
/// <summary>
/// Initializes a new instance of the <see cref="TemplateService"/> class.
/// </summary>
/// <param name="viewEngine">The view engine.</param>
/// <param name="bufferScope">The buffer scope.</param>
/// <param name="templateProvider">The template provider.</param>
public TemplateService(
ICompositeViewEngine viewEngine,
IViewBufferScope bufferScope,
ITemplateProvider templateProvider)
: this((IViewEngine)viewEngine, bufferScope, templateProvider)
{
}
public TemplateRenderer(
IViewEngine viewEngine,
IViewBufferScope bufferScope,
ViewContext viewContext,
ViewDataDictionary viewData,
string templateName,
bool readOnly)
{
if (viewEngine == null)
{
throw new ArgumentNullException(nameof(viewEngine));
}
if (bufferScope == null)
{
throw new ArgumentNullException(nameof(bufferScope));
}
if (viewContext == null)
{
throw new ArgumentNullException(nameof(viewContext));
}
if (viewData == null)
{
throw new ArgumentNullException(nameof(viewData));
}
_viewEngine = viewEngine;
_bufferScope = bufferScope;
_viewContext = viewContext;
_viewData = viewData;
_templateName = templateName;
_readOnly = readOnly;
}
public SampleTagHelper(
ICompositeViewEngine viewEngine,
IViewBufferScope viewBufferScope) : base(viewEngine, viewBufferScope)
{
Model = this;
Name = "_Sample";
}
/// <summary>
/// Returns an empty <see cref="IHtmlContent"/>
/// </summary>
/// <param name="templateService">The template service. This parameter is not used.</param>
/// <param name="bufferScope">The buffer scope. This parameter is not used.</param>
/// <param name="viewContext">The view context. This parameter is not used.</param>
public IHtmlContent Render(
ITemplateService templateService,
IViewBufferScope bufferScope,
ViewContext viewContext)
{
return(HtmlString.Empty);
}
public HomeController(IUserService userService, ILoggerFactory loggerFactory, ILogger <HomeController> logger, IViewBufferScope viewBufferScope, IOpenGenericService <ClosedGenericTypeParameter> closedGenericService)
{
this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
this.userService = userService ?? throw new ArgumentNullException(nameof(userService));
this.loggerFactory = loggerFactory ?? throw new ArgumentNullException(nameof(loggerFactory));
this.viewBufferScope = viewBufferScope ?? throw new ArgumentNullException(nameof(viewBufferScope));
this.closedGenericService = closedGenericService;
}
public ModalPartialTagHelper(ICompositeViewEngine viewEngine, IViewBufferScope viewBufferScope)
{
_inner = new PartialTagHelper(viewEngine, viewBufferScope)
{
Name = "_Modal",
Model = _model,
};
}
public ComponentRenderer(
StaticComponentRenderer staticComponentRenderer,
ServerComponentSerializer serverComponentSerializer,
IViewBufferScope viewBufferScope)
{
_staticComponentRenderer = staticComponentRenderer;
_serverComponentSerializer = serverComponentSerializer;
_viewBufferScope = viewBufferScope;
}
public TemplateRenderer(
IEngineHandler engineHandler,
HtmlEncoder htmlEncoder,
IViewBufferScope bufferScope)
{
_engineHandler = engineHandler ?? throw new ArgumentNullException(nameof(engineHandler));
_bufferScope = bufferScope ?? throw new ArgumentNullException(nameof(bufferScope));
_htmlEncoder = htmlEncoder ?? throw new ArgumentNullException(nameof(htmlEncoder));
}
private List <ViewBufferPage> fMultiplePages; // Allocated only if necessary
public ViewBuffer(IViewBufferScope bufferScope, string name, int pageSize)
{
TkDebug.AssertArgumentNull(bufferScope, nameof(bufferScope), null);
TkDebug.AssertArgument(pageSize > 0, nameof(pageSize), $"{nameof(pageSize)}必须大于0", null);
fBufferScope = bufferScope;
fName = name;
fPageSize = pageSize;
}
public PartialInvoker(
IViewBufferScope viewBufferScope,
ICompositeViewEngine viewEngine,
IMemoryCache memoryCache)
{
_memoryCache = memoryCache ?? throw new ArgumentNullException(nameof(memoryCache));
_viewEngine = viewEngine ?? throw new ArgumentNullException(nameof(viewEngine));
_viewBufferScope = viewBufferScope ?? throw new ArgumentNullException(nameof(viewBufferScope));
}
public PageRenderer(TemplatePage page, IPageLookup pageLookup)
{
this.razorPage = page;
this.pageLookup = pageLookup;
_htmlEncoder = HtmlEncoder.Default;
_bufferScope = new MemoryPoolViewBufferScope();
ViewStartPages = new List <TemplatePage>();
PreRenderCallbacks = new PreRenderActionList();
}
/// <summary>
/// Initializes a new instance of <see cref="ViewBuffer"/>.
/// </summary>
/// <param name="bufferScope">The <see cref="IViewBufferScope"/>.</param>
/// <param name="name">A name to identify this instance.</param>
public ViewBuffer(IViewBufferScope bufferScope, string name)
{
if (bufferScope == null)
{
throw new ArgumentNullException(nameof(bufferScope));
}
_bufferScope = bufferScope;
_name = name;
}
/// <summary>
/// Initializes a new instance of <see cref="ViewBuffer"/>.
/// </summary>
/// <param name="bufferScope">The <see cref="IViewBufferScope"/>.</param>
/// <param name="name">A name to identify this instance.</param>
public ViewBuffer(IViewBufferScope bufferScope, string name)
{
if (bufferScope == null)
{
throw new ArgumentNullException(nameof(bufferScope));
}
_bufferScope = bufferScope;
_name = name;
}
public HtmlHelperGeneratorService(IHtmlGenerator htmlGenerator, ICompositeViewEngine compositeViewEngine, IModelMetadataProvider modelMetadataProvider, IViewBufferScope viewBufferScope, IActionContextAccessor actionContextAccessor, ITempDataProvider tempDataProvider, IOptions <MvcViewOptions> options)
{
_htmlGenerator = htmlGenerator;
_compositeViewEngine = compositeViewEngine;
_modelMetadataProvider = modelMetadataProvider;
_viewBufferScope = viewBufferScope;
_actionContextAccessor = actionContextAccessor;
_tempDataProvider = tempDataProvider;
_htmlHelperOptions = options.Value.HtmlHelperOptions;
}
public PartialTagHelper(
ICompositeViewEngine viewEngine,
#pragma warning disable PUB0001 // Pubternal type in public API
IViewBufferScope viewBufferScope
#pragma warning restore PUB0001
)
{
_viewEngine = viewEngine ?? throw new ArgumentNullException(nameof(viewEngine));
_viewBufferScope = viewBufferScope ?? throw new ArgumentNullException(nameof(viewBufferScope));
}
public DataPartialTagHelper(
IModelService modelService,
IPageRepository pageRepository,
ICompositeViewEngine viewEngine,
IViewBufferScope viewBufferScope)
{
_modelService = modelService;
_pageRepository = pageRepository;
_viewEngine = viewEngine;
_viewBufferScope = viewBufferScope;
}
internal TemplateRenderer(IEngineHandler engineHandler,
HtmlEncoder htmlEncoder, IViewBufferScope bufferScope)
{
TkDebug.AssertArgumentNull(engineHandler, nameof(engineHandler), null);
TkDebug.AssertArgumentNull(bufferScope, nameof(bufferScope), null);
TkDebug.AssertArgumentNull(htmlEncoder, nameof(htmlEncoder), null);
fEngineHandler = engineHandler;
fBufferScope = bufferScope;
fHtmlEncoder = htmlEncoder;
}
public ViewTemplateTests()
{
_view = new Mock <IView>(MockBehavior.Strict);
_viewName = Guid.NewGuid().ToString();
_template = new ViewTemplate(_view.Object, _viewName);
_templateService = new Mock <ITemplateService>(MockBehavior.Strict);
_bufferScope = new MemoryPoolViewBufferScope(
ArrayPool <ViewBufferValue> .Shared,
ArrayPool <char> .Shared);
_viewContext = new TestViewContext <TestModel>();
}
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
output.SuppressOutput();
Dictionary <string, object> htmlAttributes = new Dictionary <string, object>();
if (IsDisabled)
{
htmlAttributes.Add("disabled", "disabled");
}
if (IsRequired)
{
output.PreElement.SetHtmlContent("<div class='input-group input-group-required'>");
output.PostElement.SetHtmlContent("<div class=\"input-group-btn\"><span class=\"required\">*</span></div></div>");
}
IViewContextAware viewContextAware = _htmlHelper as IViewContextAware;
viewContextAware?.Contextualize(ViewContext);
bool.TryParse(RenderFormControlClass, out bool renderFormControlClass);
if ((string.IsNullOrEmpty(RenderFormControlClass) && For.Metadata.ModelType.Name.Equals("String")) || renderFormControlClass)
{
htmlAttributes.Add("class", "form-control");
}
IViewEngine viewEngine = CoreUtility.GetPrivateFieldValue(_htmlHelper, "_viewEngine") as IViewEngine;
IViewBufferScope bufferScope = CoreUtility.GetPrivateFieldValue(_htmlHelper, "_bufferScope") as IViewBufferScope;
TemplateBuilder templateBuilder = new TemplateBuilder(
viewEngine,
bufferScope,
_htmlHelper.ViewContext,
_htmlHelper.ViewData,
For.ModelExplorer,
For.Name,
Template,
readOnly: false,
additionalViewData: new { htmlAttributes, postfix = Postfix });
IHtmlContent htmlOutput = templateBuilder.Build();
output.Content.SetHtmlContent(htmlOutput.ToHtmlString());
}
public TemplateRenderer(
ITemplatePage razorPage,
IRazorLightEngine razorEngine,
HtmlEncoder htmlEncoder,
IViewBufferScope bufferScope)
{
RazorPage = razorPage ?? throw new ArgumentNullException(nameof(razorPage));
_engine = razorEngine ?? throw new ArgumentNullException(nameof(razorEngine));
_bufferScope = bufferScope ?? throw new ArgumentNullException(nameof(bufferScope));
_htmlEncoder = htmlEncoder ?? throw new ArgumentNullException(nameof(htmlEncoder));
}
/// <summary>
/// Create.
/// </summary>
public ActionExecutionHtmlHelper(
IHtmlGenerator htmlGenerator,
ICompositeViewEngine viewEngine,
IModelMetadataProvider metadataProvider,
IViewBufferScope bufferScope,
HtmlEncoder htmlEncoder,
UrlEncoder urlEncoder,
ModelExpressionProvider modelExpressionProvider)
: base(htmlGenerator, viewEngine, metadataProvider, bufferScope, htmlEncoder, urlEncoder, modelExpressionProvider)
{
}
public CodeTemplateTestsBase()
{
_template = new Lazy <TTemplate>(CreateTemplate);
_templateService = Mock.Of <ITemplateService>(MockBehavior.Strict);
_bufferScope = Mock.Of <IViewBufferScope>(MockBehavior.Strict);
_requestServices = new Mock <IServiceProvider>(MockBehavior.Strict);
_htmlHelper = new Mock <IHtmlHelper>(MockBehavior.Strict);
_requestServices.Setup(m => m.GetService(typeof(IHtmlHelper)))
.Returns(_htmlHelper.Object)
.Verifiable();
}
/// <summary>
/// Renders this template for the given <paramref name="viewContext" />
/// </summary>
/// <param name="templateService">The template service.</param>
/// <param name="bufferScope">The buffer scope. This parameter is not used.</param>
/// <param name="viewContext">The view context.</param>
public IHtmlContent Render(
ITemplateService templateService,
IViewBufferScope bufferScope,
ViewContext viewContext)
{
Guard.NotNull(templateService, nameof(templateService));
Guard.NotNull(viewContext, nameof(viewContext));
var helper = CreateHtmlHelper(viewContext);
return(Render(helper, templateService));
}
/// <inheritdoc />
public virtual async Task RenderAsync(ViewContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
_bufferScope = context.HttpContext.RequestServices.GetRequiredService <IViewBufferScope>();
var bodyWriter = await RenderPageAsync(RazorPage, context, invokeViewStarts : true);
await RenderLayoutAsync(context, bodyWriter);
}
/// <summary>
/// Initializes a new instance of the <see cref="HtmlHelper"/> class.
/// </summary>
public HtmlHelper(
IHtmlGenerator htmlGenerator,
ICompositeViewEngine viewEngine,
IModelMetadataProvider metadataProvider,
IViewBufferScope bufferScope,
HtmlEncoder htmlEncoder,
UrlEncoder urlEncoder,
JavaScriptEncoder javaScriptEncoder)
{
if (htmlGenerator == null)
{
throw new ArgumentNullException(nameof(htmlGenerator));
}
if (viewEngine == null)
{
throw new ArgumentNullException(nameof(viewEngine));
}
if (metadataProvider == null)
{
throw new ArgumentNullException(nameof(metadataProvider));
}
if (bufferScope == null)
{
throw new ArgumentNullException(nameof(bufferScope));
}
if (htmlEncoder == null)
{
throw new ArgumentNullException(nameof(htmlEncoder));
}
if (urlEncoder == null)
{
throw new ArgumentNullException(nameof(urlEncoder));
}
if (javaScriptEncoder == null)
{
throw new ArgumentNullException(nameof(javaScriptEncoder));
}
_viewEngine = viewEngine;
_htmlGenerator = htmlGenerator;
_htmlEncoder = htmlEncoder;
_bufferScope = bufferScope;
MetadataProvider = metadataProvider;
UrlEncoder = urlEncoder;
JavaScriptEncoder = javaScriptEncoder;
}
/// <summary>
/// Initializes a new instance of the <see cref="TemplateService"/> class.
/// </summary>
/// <param name="viewEngine">The view engine.</param>
/// <param name="bufferScope">The buffer scope.</param>
/// <param name="templateProvider">The template provider.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="viewEngine"/>,
/// <paramref name="bufferScope"/>
/// or
/// <paramref name="templateProvider"/>
/// </exception>
public TemplateService(
IViewEngine viewEngine,
IViewBufferScope bufferScope,
ITemplateProvider templateProvider)
{
Guard.NotNull(viewEngine, nameof(viewEngine));
Guard.NotNull(bufferScope, nameof(bufferScope));
Guard.NotNull(templateProvider, nameof(templateProvider));
_viewEngine = viewEngine;
_bufferScope = bufferScope;
_templateProvider = templateProvider;
}
private void ensureCreated()
{
if (scopedBuffer == null)
{
var buffer = contextAccessor.HttpContext.RequestServices.GetService(typeof(IViewBufferScope)) as SafeMemoryPoolViewBufferScope;
if (buffer == null)
{
return;
}
scopedBuffer = buffer.scopedBuffer;
buffer.addObjectToDispose(this);
}
}
public TemplateBuilder(
IViewEngine viewEngine,
IViewBufferScope bufferScope,
ViewContext viewContext,
ViewDataDictionary viewData,
ModelExplorer modelExplorer,
string htmlFieldName,
string templateName,
bool readOnly,
object additionalViewData)
{
if (viewEngine == null)
{
throw new ArgumentNullException(nameof(viewEngine));
}
if (bufferScope == null)
{
throw new ArgumentNullException(nameof(_bufferScope));
}
if (viewContext == null)
{
throw new ArgumentNullException(nameof(viewContext));
}
if (viewData == null)
{
throw new ArgumentNullException(nameof(viewData));
}
if (modelExplorer == null)
{
throw new ArgumentNullException(nameof(modelExplorer));
}
_viewEngine = viewEngine;
_bufferScope = bufferScope;
_viewContext = viewContext;
_viewData = viewData;
_modelExplorer = modelExplorer;
_htmlFieldName = htmlFieldName;
_templateName = templateName;
_readOnly = readOnly;
_additionalViewData = additionalViewData;
_model = modelExplorer.Model;
_metadata = modelExplorer.Metadata;
}
/// <summary>
/// Initializes a new instance of <see cref="DefaultViewComponentHelper"/>.
/// </summary>
/// <param name="descriptorProvider">The <see cref="IViewComponentDescriptorCollectionProvider"/>
/// used to locate view components.</param>
/// <param name="htmlEncoder">The <see cref="HtmlEncoder"/>.</param>
/// <param name="selector">The <see cref="IViewComponentSelector"/>.</param>
/// <param name="invokerFactory">The <see cref="IViewComponentInvokerFactory"/>.</param>
/// <param name="viewBufferScope">The <see cref="IViewBufferScope"/> that manages the lifetime of
/// <see cref="ViewBuffer"/> instances.</param>
public DefaultViewComponentHelper(
IViewComponentDescriptorCollectionProvider descriptorProvider,
HtmlEncoder htmlEncoder,
IViewComponentSelector selector,
IViewComponentInvokerFactory invokerFactory,
IViewBufferScope viewBufferScope)
{
if (descriptorProvider == null)
{
throw new ArgumentNullException(nameof(descriptorProvider));
}
if (htmlEncoder == null)
{
throw new ArgumentNullException(nameof(htmlEncoder));
}
if (selector == null)
{
throw new ArgumentNullException(nameof(selector));
}
if (invokerFactory == null)
{
throw new ArgumentNullException(nameof(invokerFactory));
}
if (viewBufferScope == null)
{
throw new ArgumentNullException(nameof(viewBufferScope));
}
_descriptorProvider = descriptorProvider;
_htmlEncoder = htmlEncoder;
_selector = selector;
_invokerFactory = invokerFactory;
_viewBufferScope = viewBufferScope;
}
/// <inheritdoc />
public virtual async Task RenderAsync(ViewContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
// This GetRequiredService call is by design. ViewBufferScope is a scoped service, RazorViewEngine
// is the component responsible for creating RazorViews and it is a Singleton service. It doesn't
// have access to the RequestServices so requiring the service when we render the page is the best
// we can do.
_bufferScope = context.HttpContext.RequestServices.GetRequiredService<IViewBufferScope>();
var bodyWriter = await RenderPageAsync(RazorPage, context, invokeViewStarts: true);
await RenderLayoutAsync(context, bodyWriter);
}
/// <inheritdoc />
public virtual async Task RenderAsync(ViewContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
_bufferScope = context.HttpContext.RequestServices.GetRequiredService<IViewBufferScope>();
var bodyWriter = await RenderPageAsync(RazorPage, context, invokeViewStarts: true);
await RenderLayoutAsync(context, bodyWriter);
}
private static ViewContext CreateViewContext(
TextWriter writer = null,
IViewBufferScope bufferScope = null,
string viewPath = null)
{
bufferScope = bufferScope ?? new TestViewBufferScope();
var buffer = new ViewBuffer(bufferScope, viewPath ?? "TEST", 32);
writer = writer ?? new ViewBufferTextWriter(buffer, Encoding.UTF8);
var httpContext = new DefaultHttpContext();
var serviceProvider = new ServiceCollection()
.AddSingleton<IViewBufferScope>(bufferScope)
.BuildServiceProvider();
httpContext.RequestServices = serviceProvider;
var actionContext = new ActionContext(
httpContext,
new RouteData(),
new ActionDescriptor());
var viewMock = new Mock<IView>();
if (!string.IsNullOrEmpty(viewPath))
{
viewMock.Setup(v => v.Path).Returns(viewPath);
}
return new ViewContext(
actionContext,
viewMock.Object,
new ViewDataDictionary(new EmptyModelMetadataProvider()),
Mock.Of<ITempDataDictionary>(),
writer,
new HtmlHelperOptions());
}
