public virtual void InvalidatePage(RazorPage page)
{
if (page.IsValid || page.IsCompiling)
{
lock (page.SyncRoot)
{
page.IsValid = false;
}
}
if (Config.PrecompilePages)
PrecompilePage(page);
}
public virtual void InvalidatePage(RazorPage page, bool compile = true)
{
if (page.IsValid || page.IsCompiling)
{
lock (page.SyncRoot)
{
page.IsValid = false;
}
}
if (compile)
PrecompilePage(page);
}
protected virtual RazorPage AddPage(RazorPage page, string pagePath = null)
{
pagePath = pagePath != null
? GetDictionaryPagePath(pagePath)
: GetDictionaryPagePath(page.PageHost.File);
Pages[pagePath] = page;
//Views should be uniquely named and stored in any deep folder structure
if (pagePath.StartsWithIgnoreCase("views/") && !pagePath.EndsWithIgnoreCase(DefaultLayoutFile))
{
var viewName = pagePath.LastLeftPart('.').LastRightPart('/');
ViewNamesMap[viewName] = pagePath;
}
return(page);
}
public void EnsureCompiled(RazorPage page, IHttpResponse response)
{
if (page == null)
{
return;
}
if (page.IsValid)
{
return;
}
var type = page.PageHost.Compile();
page.PageType = type;
page.IsValid = true;
}
public virtual void EnsureCompiled(RazorPage page)
{
if (page == null)
{
return;
}
if (page.IsValid)
{
return;
}
lock (page.SyncRoot)
{
if (page.IsValid)
{
return;
}
var compileTimer = System.Diagnostics.Stopwatch.StartNew();
try
{
page.IsCompiling = true;
page.CompileException = null;
var type = page.PageHost.Compile();
page.PageType = type;
page.IsValid = true;
compileTimer.Stop();
Log.DebugFormat("Compiled Razor page '{0}' in {1}ms.", page.File.Name, compileTimer.ElapsedMilliseconds);
}
catch (HttpCompileException ex)
{
page.CompileException = ex;
}
finally
{
page.IsCompiling = false;
page.MarkedForCompilation = false;
}
}
}
private Tuple <IRazorView, string> ExecuteRazorPageWithLayout(RazorPage razorPage, IRequest httpReq, IResponse httpRes, object model, IRazorView pageInstance, Func <string> layout)
{
using (var ms = MemoryStreamFactory.GetStream())
{
var childWriter = new StreamWriter(ms, UTF8EncodingWithoutBom); //ms disposed in using
//child page needs to execute before master template to populate ViewBags, sections, etc
try
{
pageInstance.WriteTo(childWriter);
}
catch (StopExecutionException) { }
catch (Exception ex)
{
ex = ex.UnwrapIfSingleException();
if (!(ex is StopExecutionException))
{
throw;
}
}
if (httpRes.IsClosed)
{
return(null);
}
var childBody = ms.ReadToEnd();
var layoutName = layout();
if (!string.IsNullOrEmpty(layoutName))
{
var layoutPage = viewManager.GetLayoutPage(layoutName, razorPage, httpReq, model);
if (layoutPage != null)
{
var layoutView = CreateRazorPageInstance(httpReq, httpRes, model, layoutPage);
layoutView.SetChildPage(pageInstance, childBody);
return(ExecuteRazorPageWithLayout(layoutPage, httpReq, httpRes, model, layoutView, () => layoutView.Layout));
}
}
return(Tuple.Create(pageInstance, childBody));
}
}
public virtual RazorPage TrackPage(IVirtualFile file)
{
//get the base type.
var pageBaseType = this.Config.PageBaseType;
var transformer = new RazorViewPageTransformer(pageBaseType);
//create a RazorPage
var page = new RazorPage
{
PageHost = new RazorPageHost(PathProvider, file, transformer, new CSharpCodeProvider(), new Dictionary <string, string>()),
IsValid = false,
File = file
};
//add it to our pages dictionary.
AddPage(page);
return(page);
}
public virtual RazorPage TrackPage(Type pageType)
{
var pageBaseType = this.Config.PageBaseType;
var transformer = new RazorViewPageTransformer(pageBaseType);
var pagePath = pageType.FirstAttribute <VirtualPathAttribute>().VirtualPath.TrimStart('~');
var file = GetVirtualFile(pagePath);
var page = new RazorPage
{
PageHost = file != null?CreatePageHost(file, transformer) : null,
PageType = pageType,
IsValid = true,
File = file,
VirtualPath = pagePath,
};
AddPage(page, pagePath);
return(page);
}
public virtual RazorPage TrackPage(IVirtualFile file)
{
//get the base type.
var pageBaseType = this.Config.PageBaseType;
var transformer = new RazorViewPageTransformer(pageBaseType);
//create a RazorPage
var page = new RazorPage
{
PageHost = new RazorPageHost(PathProvider, file, transformer, new CSharpCodeProvider(), new Dictionary<string, string>()),
IsValid = false,
File = file
};
//add it to our pages dictionary.
AddPage(page);
return page;
}
public virtual RazorPage TrackPage(Type pageType)
{
var pageBaseType = this.Config.PageBaseType;
var transformer = new RazorViewPageTransformer(pageBaseType);
var pagePath = pageType.FirstAttribute <VirtualPathAttribute>().VirtualPath.TrimStart('~');
var file = GetVirtualFile(pagePath);
var page = new RazorPage
{
PageHost = file != null ? new RazorPageHost(PathProvider, file, transformer, new CSharpCodeProvider(), new Dictionary <string, string>()) : null,
PageType = pageType,
IsValid = true,
File = file,
VirtualPath = pagePath,
};
AddPage(page, pagePath);
return(page);
}
protected virtual void FileSystemWatcher_Changed(object sender, FileSystemEventArgs e)
{
try
{
var file = views.GetVirtualFile(e.FullPath);
if (file == null || !views.IsWatchedFile(file))
{
return;
}
RazorPage page = views.GetPage(file);
if (page != null)
{
views.InvalidatePage(page);
}
}
catch (Exception ex)
{
Log.Warn("FileSystemWatcher_Changed error: ", ex);
}
}
private Tuple <IRazorView, string> ExecuteRazorPageWithLayout(RazorPage razorPage, IRequest httpReq, IResponse httpRes, object model, IRazorView pageInstance, Func <string> layout)
{
using (var ms = new MemoryStream())
{
using (var childWriter = new StreamWriter(ms, UTF8EncodingWithoutBom))
{
//child page needs to execute before master template to populate ViewBags, sections, etc
try
{
pageInstance.WriteTo(childWriter);
}
catch (StopExecutionException ignore) {}
if (httpRes.IsClosed)
{
return(null);
}
var childBody = ms.ToArray().FromUtf8Bytes();
var layoutName = layout();
if (!string.IsNullOrEmpty(layoutName))
{
var layoutPage = viewManager.GetLayoutPage(layoutName, razorPage, httpReq, model);
if (layoutPage != null)
{
var layoutView = CreateRazorPageInstance(httpReq, httpRes, model, layoutPage);
layoutView.SetChildPage(pageInstance, childBody);
return(ExecuteRazorPageWithLayout(layoutPage, httpReq, httpRes, model, layoutView, () => layoutView.Layout));
}
}
return(Tuple.Create(pageInstance, childBody));
}
}
}
public virtual void EnsureCompiled(RazorPage page)
{
if (page == null) return;
if (page.IsValid) return;
lock (page.SyncRoot)
{
if (page.IsValid) return;
var compileTimer = System.Diagnostics.Stopwatch.StartNew();
try
{
page.IsCompiling = true;
page.CompileException = null;
var type = page.PageHost.Compile();
page.PageType = type;
page.IsValid = true;
compileTimer.Stop();
Log.DebugFormat("Compiled Razor page '{0}' in {1}ms.", page.File.Name, compileTimer.ElapsedMilliseconds);
}
catch (HttpCompileException ex)
{
page.CompileException = ex;
}
finally
{
page.IsCompiling = false;
page.MarkedForCompilation = false;
}
}
}
private IRazorView CreateRazorPageInstance(IHttpRequest httpReq, IHttpResponse httpRes, object dto, RazorPage razorPage)
{
EnsureCompiled(razorPage, httpRes);
//don't proceed any further, the background compiler found there was a problem compiling the page, so throw instead
if (razorPage.CompileException != null)
{
throw razorPage.CompileException;
}
//else, EnsureCompiled() ensures we have a page type to work with so, create an instance of the page
var page = (IRazorView) razorPage.ActivateInstance();
page.Init(viewEngine: this, httpReq: httpReq, httpRes: httpRes);
//deserialize the model.
PrepareAndSetModel(page, httpReq, dto);
return page;
}
protected virtual RazorPage AddPage(RazorPage page)
{
var pagePath = GetDictionaryPagePath(page.PageHost.File);
this.Pages[pagePath] = page;
//Views should be uniquely named and stored in any deep folder structure
if (pagePath.StartsWithIgnoreCase("/views/"))
{
var viewName = pagePath.SplitOnLast('.').First().SplitOnLast('/').Last();
ViewNamesMap[viewName] = pagePath;
}
return page;
}
public string RenderToHtml(RazorPage razorPage, object model = null, string layout = null)
{
IRazorView razorView;
return RenderToHtml(razorPage, out razorView, model: model, layout: layout);
}
public IRazorView ResolveAndExecuteRazorPage(IHttpRequest httpReq, IHttpResponse httpRes, object model, RazorPage razorPage = null)
{
razorPage = razorPage ?? FindRazorPage(httpReq, model);
if (razorPage == null)
{
httpRes.StatusCode = (int)HttpStatusCode.NotFound;
return(null);
}
using (var writer = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom))
{
var page = CreateRazorPageInstance(httpReq, httpRes, model, razorPage);
var includeLayout = !(httpReq.GetParam(QueryStringFormatKey) ?? "").Contains(NoTemplateFormatValue);
if (includeLayout)
{
using (var ms = new MemoryStream())
using (var childWriter = new StreamWriter(ms, UTF8EncodingWithoutBom))
{
//child page needs to execute before master template to populate ViewBags, sections, etc
page.WriteTo(childWriter);
var layout = httpReq.GetItem(LayoutKey) as string
?? page.Layout
?? DefaultLayoutName;
var childBody = ms.ToArray().FromUtf8Bytes();
var layoutPage = this.viewManager.GetPageByName(layout, httpReq, model);
if (layoutPage != null)
{
var layoutView = CreateRazorPageInstance(httpReq, httpRes, model, layoutPage);
layoutView.SetChildPage(page, childBody);
layoutView.WriteTo(writer);
return(layoutView);
}
writer.Write(childBody);
return(page);
}
}
page.WriteTo(writer);
return(page);
}
}
public IRazorView ExecuteRazorPage(IRequest httpReq, IResponse httpRes, object model, RazorPage razorPage)
{
if (razorPage == null)
{
httpRes.StatusCode = (int)HttpStatusCode.NotFound;
return(null);
}
var page = CreateRazorPageInstance(httpReq, httpRes, model, razorPage);
var includeLayout = !(httpReq.GetParam(QueryStringFormatKey) ?? "").Contains(NoTemplateFormatValue);
if (includeLayout)
{
var result = ExecuteRazorPageWithLayout(razorPage, httpReq, httpRes, model, page, () =>
httpReq.GetItem(LayoutKey) as string
?? page.Layout
?? DefaultLayoutName);
if (httpRes.IsClosed)
{
return(result != null ? result.Item1 : null);
}
var layoutWriter = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom);
var html = HtmlFilter(result.Item2);
layoutWriter.Write(html);
layoutWriter.Flush();
return(result.Item1);
}
var writer = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom);
page.WriteTo(writer);
writer.Flush();
return(page);
}
private IRazorView CreateRazorPageInstance(IHttpRequest httpReq, IHttpResponse httpRes, object dto, RazorPage razorPage)
{
EnsureCompiled(razorPage, httpRes);
//don't proceed any further, the background compiler found there was a problem compiling the page, so throw instead
if (razorPage.CompileException != null)
{
throw razorPage.CompileException;
}
//else, EnsureCompiled() ensures we have a page type to work with so, create an instance of the page
var page = (IRazorView)razorPage.ActivateInstance();
page.Init(viewEngine: this, httpReq: httpReq, httpRes: httpRes);
//deserialize the model.
PrepareAndSetModel(page, httpReq, dto);
return(page);
}
public virtual RazorPage TrackPage(Type pageType)
{
var pageBaseType = this.Config.PageBaseType;
var transformer = new RazorViewPageTransformer(pageBaseType);
var pagePath = pageType.FirstAttribute<VirtualPathAttribute>().VirtualPath.TrimStart('~');
var file = GetVirtualFile(pagePath);
var page = new RazorPage
{
PageHost = file != null ? new RazorPageHost(PathProvider, file, transformer, new CSharpCodeProvider(), new Dictionary<string, string>()) : null,
PageType = pageType,
IsValid = true,
File = file,
VirtualPath = pagePath,
};
AddPage(page, pagePath);
return page;
}
public IRazorView ExecuteRazorPage(IRequest httpReq, IResponse httpRes, object model, RazorPage razorPage)
{
if (razorPage == null)
{
httpRes.StatusCode = (int)HttpStatusCode.NotFound;
return null;
}
try
{
var page = CreateRazorPageInstance(httpReq, httpRes, model, razorPage);
var includeLayout = !(httpReq.GetParam(Keywords.Format) ?? "").Contains(Keywords.Bare);
if (includeLayout)
{
var result = ExecuteRazorPageWithLayout(razorPage, httpReq, httpRes, model, page, () =>
httpReq.GetItem(LayoutKey) as string
?? page.Layout
?? DefaultLayoutName);
if (httpRes.IsClosed)
return result != null ? result.Item1 : null;
var layoutWriter = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom);
var html = HtmlFilter(result.Item2);
layoutWriter.Write(html);
layoutWriter.Flush();
return result.Item1;
}
var writer = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom);
page.WriteTo(writer);
writer.Flush();
return page;
}
finally
{
RequestContext.Instance.ReleaseDisposables();
}
}
public IRazorView ResolveAndExecuteRazorPage(IHttpRequest httpReq, IHttpResponse httpRes, object model, RazorPage razorPage=null)
{
var viewName = httpReq.GetItem(ViewKey) as string;
if (razorPage == null && viewName != null)
{
razorPage = this.viewManager.GetPageByName(viewName);
}
else
{
razorPage = razorPage
?? this.viewManager.GetPageByName(httpReq.OperationName) //Request DTO
?? this.viewManager.GetPage(httpReq, model); // Response DTO
}
if (razorPage == null)
{
httpRes.StatusCode = (int)HttpStatusCode.NotFound;
return null;
}
using (var writer = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom))
{
var page = CreateRazorPageInstance(httpReq, httpRes, model, razorPage);
var includeLayout = !(httpReq.GetParam(QueryStringFormatKey) ?? "").Contains(NoTemplateFormatValue);
if (includeLayout)
{
using (var ms = new MemoryStream())
using (var childWriter = new StreamWriter(ms, UTF8EncodingWithoutBom))
{
//child page needs to execute before master template to populate ViewBags, sections, etc
page.WriteTo(childWriter);
var layout = httpReq.GetItem(LayoutKey) as string
?? page.Layout
?? DefaultLayoutName;
var childBody = ms.ToArray().FromUtf8Bytes();
var layoutPage = this.viewManager.GetPageByName(layout, httpReq, model);
if (layoutPage != null)
{
var layoutView = CreateRazorPageInstance(httpReq, httpRes, model, layoutPage);
layoutView.SetChildPage(page, childBody);
layoutView.WriteTo(writer);
return layoutView;
}
writer.Write(childBody);
return page;
}
}
page.WriteTo(writer);
return page;
}
}
private IRazorView CreateRazorPageInstance(IRequest httpReq, IResponse httpRes, object dto, RazorPage razorPage)
{
viewManager.EnsureCompiled(razorPage);
//don't proceed any further, the background compiler found there was a problem compiling the page, so throw instead
if (razorPage.CompileException != null)
{
if (Text.Env.IsMono)
{
//Additional debug info Working around not displaying default exception in IHttpAsyncHandler
var errors = razorPage.CompileException.Results.Errors;
for (var i = 0; i < errors.Count; i++)
{
var error = errors[i];
Log.Debug("{0} Line: {1}:{2}:".Fmt(error.FileName, error.Line, error.Column));
Log.Debug("{0}: {1}".Fmt(error.ErrorNumber, error.ErrorText));
}
}
throw razorPage.CompileException;
}
//else, EnsureCompiled() ensures we have a page type to work with so, create an instance of the page
var page = (IRazorView)razorPage.ActivateInstance();
page.Init(viewEngine: this, httpReq: httpReq, httpRes: httpRes);
//deserialize the model.
PrepareAndSetModel(page, httpReq, dto);
return page;
}
private Tuple<IRazorView, string> ExecuteRazorPageWithLayout(RazorPage razorPage, IRequest httpReq, IResponse httpRes, object model, IRazorView pageInstance, Func<string> layout)
{
using (var ms = new MemoryStream())
{
using (var childWriter = new StreamWriter(ms, UTF8EncodingWithoutBom))
{
//child page needs to execute before master template to populate ViewBags, sections, etc
try
{
pageInstance.WriteTo(childWriter);
}
catch (StopExecutionException ignore) {}
if (httpRes.IsClosed)
return null;
var childBody = ms.ToArray().FromUtf8Bytes();
var layoutName = layout();
if (!string.IsNullOrEmpty(layoutName))
{
var layoutPage = viewManager.GetLayoutPage(layoutName, razorPage, httpReq, model);
if (layoutPage != null)
{
var layoutView = CreateRazorPageInstance(httpReq, httpRes, model, layoutPage);
layoutView.SetChildPage(pageInstance, childBody);
return ExecuteRazorPageWithLayout(layoutPage, httpReq, httpRes, model, layoutView, () => layoutView.Layout);
}
}
return Tuple.Create(pageInstance, childBody);
}
}
}
public virtual RazorPage TrackPage(IVirtualFile file)
{
//get the base type.
var pageBaseType = this.Config.PageBaseType;
var transformer = new RazorViewPageTransformer(pageBaseType);
//create a RazorPage
var page = new RazorPage
{
PageHost = CreatePageHost(file, transformer),
IsValid = false,
File = file,
VirtualPath = file.VirtualPath,
};
//add it to our pages dictionary.
AddPage(page);
if (Config.PrecompilePages.GetValueOrDefault())
PrecompilePage(page);
return page;
}
protected virtual RazorPage AddPage(RazorPage page, string pagePath = null)
{
pagePath = pagePath != null
? GetDictionaryPagePath(pagePath)
: GetDictionaryPagePath(page.PageHost.File);
Pages[pagePath] = page;
//Views should be uniquely named and stored in any deep folder structure
if (pagePath.StartsWithIgnoreCase("views/") && !pagePath.EndsWithIgnoreCase(DefaultLayoutFile))
{
var viewName = pagePath.SplitOnLast('.').First().SplitOnLast('/').Last();
ViewNamesMap[viewName] = pagePath;
}
return page;
}
public virtual void EnsureCompiled(RazorPage page)
{
if (page == null)
{
return;
}
if (CheckLastModifiedForChanges && page.IsValid)
{
lock (page.SyncRoot)
{
var prevLastModified = page.File.LastModified;
page.File.Refresh();
page.IsValid = prevLastModified == page.File.LastModified;
}
}
if (page.IsValid)
{
return;
}
if (page.PageHost == null)
{
Logger.WarnFormat("Could not find virtualPath for compiled Razor page '{0}'.", page.VirtualPath);
return;
}
lock (page.SyncRoot)
{
if (page.IsValid)
{
return;
}
var compileTimer = System.Diagnostics.Stopwatch.StartNew();
try
{
page.IsCompiling = true;
page.CompileException = null;
var type = page.PageHost.Compile();
page.PageType = type;
page.IsValid = true;
compileTimer.Stop();
if (Logger.IsDebugEnabled)
{
Logger.DebugFormat("Compiled Razor page '{0}' in {1}ms.", page.File.Name, compileTimer.ElapsedMilliseconds);
}
}
catch (HttpCompileException ex)
{
page.CompileException = ex;
}
finally
{
page.IsCompiling = false;
page.MarkedForCompilation = false;
}
}
}
protected virtual Task<RazorPage> PrecompilePage(RazorPage page)
{
page.MarkedForCompilation = true;
var task = Task.Factory.StartNew(() =>
{
try
{
EnsureCompiled(page);
if (page.CompileException != null)
Log.ErrorFormat("Precompilation of Razor page '{0}' failed: {1}", page.File.Name, page.CompileException.Message);
}
catch (Exception ex)
{
Log.ErrorFormat("Precompilation of Razor page '{0}' failed: {1}", page.File.Name, ex.Message);
}
return page;
});
if (startupPrecompilationTasks != null)
startupPrecompilationTasks.Add(task);
return task;
}
public IRazorView ResolveAndExecuteRazorPage(IHttpRequest httpReq, IHttpResponse httpRes, object model, RazorPage razorPage = null)
{
razorPage = razorPage ?? FindRazorPage(httpReq, model);
if (razorPage == null)
{
httpRes.StatusCode = (int)HttpStatusCode.NotFound;
return(null);
}
var page = CreateRazorPageInstance(httpReq, httpRes, model, razorPage);
var includeLayout = !(httpReq.GetParam(QueryStringFormatKey) ?? "").Contains(NoTemplateFormatValue);
if (includeLayout)
{
var result = ExecuteRazorPageWithLayout(httpReq, httpRes, model, page, () =>
httpReq.GetItem(LayoutKey) as string
?? page.Layout
?? DefaultLayoutName);
using (var writer = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom))
{
writer.Write(result.Item2);
}
return(result.Item1);
}
using (var writer = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom))
{
page.WriteTo(writer);
}
return(page);
}
public IRazorView ExecuteRazorPage(IRequest httpReq, Stream outputStream, object model, RazorPage razorPage)
{
var httpRes = httpReq.Response;
if (razorPage == null)
{
httpRes.StatusCode = (int)HttpStatusCode.NotFound;
return(null);
}
try
{
var page = CreateRazorPageInstance(httpReq, httpRes, model, razorPage);
var includeLayout = !(httpReq.GetParam(Keywords.Format) ?? "").Contains(Keywords.Bare);
if (includeLayout)
{
var result = ExecuteRazorPageWithLayout(razorPage, httpReq, httpRes, model, page, () =>
httpReq.GetItem(Keywords.Template) as string
?? page.Layout
?? DefaultLayoutName);
if (httpRes.IsClosed)
{
return(result?.Item1);
}
var layoutWriter = new StreamWriter(outputStream, UTF8EncodingWithoutBom);
var html = HtmlFilter(result.Item2);
layoutWriter.Write(html);
layoutWriter.Flush();
return(result.Item1);
}
var writer = new StreamWriter(outputStream, UTF8EncodingWithoutBom);
page.WriteTo(writer);
writer.Flush();
return(page);
}
finally
{
RequestContext.Instance.ReleaseDisposables();
}
}
public void ProcessRazorPage(IRequest httpReq, RazorPage contentPage, object model, IResponse httpRes)
{
PageResolver.ExecuteRazorPage(httpReq, httpRes, model, contentPage);
}
public virtual RazorPage TrackPage(Type pageType)
{
var pagePath = pageType.FirstAttribute<VirtualPathAttribute>().VirtualPath.TrimStart('~');
var page = new RazorPage { PageType = pageType, IsValid = true };
AddPage(page, pagePath);
return page;
}
public virtual RazorPage TrackPage(Type pageType)
{
var pageBaseType = this.Config.PageBaseType;
var transformer = new RazorViewPageTransformer(pageBaseType);
var pagePath = pageType.FirstAttribute<VirtualPathAttribute>().VirtualPath.TrimStart('~');
var file = GetVirtualFile(pagePath);
var page = new RazorPage
{
PageHost = file != null ? CreatePageHost(file, transformer) : null,
PageType = pageType,
IsValid = true,
File = file,
VirtualPath = pagePath,
};
AddPage(page, pagePath);
return page;
}
public string RenderToHtml(RazorPage razorPage, object model = null, string layout = null)
{
IRazorView razorView;
var result = RenderToHtml(razorPage, out razorView, model: model, layout: layout);
using (razorView)
{
return result;
}
}
public virtual RazorPage GetLayoutPage(string layoutName, RazorPage page, IRequest request, object dto)
{
var layoutFile = Path.ChangeExtension(layoutName, Config.RazorFileExtension);
// layoutName may or may not contain the .cshtml extension, the below forces it not to.
layoutName = Path.GetFileNameWithoutExtension(layoutFile);
var contextRelativePath = page.VirtualPath;
string contextParentDir = contextRelativePath;
do
{
contextParentDir = (contextParentDir ?? "").SplitOnLast('/').First();
var path = CombinePaths(contextParentDir, layoutFile);
var layoutPage = GetPage(path);
if (layoutPage != null)
return layoutPage;
} while (!string.IsNullOrEmpty(contextParentDir) && contextParentDir.Contains('/'));
if (layoutName != RazorPageResolver.DefaultLayoutName)
return GetViewPage(layoutName);
return GetPage(CombinePaths("/views/shared/", layoutFile))
?? GetPage(CombinePaths("/views/", layoutFile)); //backwards compatibility fallback
}
public string RenderToHtml(RazorPage razorPage, out IRazorView razorView, object model = null, string layout = null)
{
if (razorPage == null)
throw new ArgumentNullException("razorPage");
var httpReq = new BasicRequest();
if (layout != null)
{
httpReq.Items[RazorPageResolver.LayoutKey] = layout;
}
razorView = PageResolver.ExecuteRazorPage(httpReq, httpReq.Response, model, razorPage);
var ms = (MemoryStream)httpReq.Response.OutputStream;
return ms.ToArray().FromUtf8Bytes();
}
public virtual void EnsureCompiled(RazorPage page)
{
if (page == null) return;
if (CheckLastModifiedForChanges && page.IsValid)
{
lock (page.SyncRoot)
{
var prevLastModified = page.File.LastModified;
page.File.Refresh();
page.IsValid = prevLastModified == page.File.LastModified;
}
}
if (page.IsValid) return;
if (page.PageHost == null)
{
Log.WarnFormat("Could not find virtualPath for compiled Razor page '{0}'.", page.VirtualPath);
return;
}
lock (page.SyncRoot)
{
if (page.IsValid) return;
var compileTimer = System.Diagnostics.Stopwatch.StartNew();
try
{
page.IsCompiling = true;
page.CompileException = null;
var type = page.PageHost.Compile();
page.PageType = type;
page.IsValid = true;
compileTimer.Stop();
if (Log.IsDebugEnabled)
Log.DebugFormat("Compiled Razor page '{0}' in {1}ms.", page.File.Name, compileTimer.ElapsedMilliseconds);
}
catch (HttpCompileException ex)
{
page.CompileException = ex;
}
finally
{
page.IsCompiling = false;
page.MarkedForCompilation = false;
}
}
}
public IRazorView ResolveAndExecuteRazorPage(IHttpRequest httpReq, IHttpResponse httpRes, object model, RazorPage razorPage=null)
{
razorPage = razorPage ?? FindRazorPage(httpReq, model);
if (razorPage == null)
{
httpRes.StatusCode = (int)HttpStatusCode.NotFound;
return null;
}
using (var writer = new StreamWriter(httpRes.OutputStream, UTF8EncodingWithoutBom))
{
var page = CreateRazorPageInstance(httpReq, httpRes, model, razorPage);
var includeLayout = !(httpReq.GetParam(QueryStringFormatKey) ?? "").Contains(NoTemplateFormatValue);
if (includeLayout)
{
var result = ExecuteRazorPageWithLayout(httpReq, httpRes, model, page, () =>
{
return httpReq.GetItem(LayoutKey) as string
?? page.Layout
?? DefaultLayoutName;
});
writer.Write(result.Item2);
return result.Item1;
}
page.WriteTo(writer);
return page;
}
}
private IRazorView CreateRazorPageInstance(IRequest httpReq, IResponse httpRes, object dto, RazorPage razorPage)
{
viewManager.EnsureCompiled(razorPage);
//don't proceed any further, the background compiler found there was a problem compiling the page, so throw instead
var pageCompileEx = razorPage.CompileException;
if (pageCompileEx != null)
{
if (Text.Env.IsMono)
{
//Additional debug info Working around not displaying default exception in IHttpAsyncHandler
var errors = pageCompileEx.Results.Errors;
for (var i = 0; i < errors.Count; i++)
{
var error = errors[i];
Log.Debug("{0} Line: {1}:{2}:".Fmt(error.FileName, error.Line, error.Column));
Log.Debug("{0}: {1}".Fmt(error.ErrorNumber, error.ErrorText));
}
}
throw pageCompileEx;
}
//else, EnsureCompiled() ensures we have a page type to work with so, create an instance of the page
var page = (IRazorView)razorPage.ActivateInstance();
page.Init(viewEngine: this, httpReq: httpReq, httpRes: httpRes);
//deserialize the model.
PrepareAndSetModel(page, httpReq, dto);
return(page);
}
public void EnsureCompiled(RazorPage page, IHttpResponse response)
{
if (page == null) return;
if (page.IsValid) return;
var type = page.PageHost.Compile();
page.PageType = type;
page.IsValid = true;
}
