public override void GenerateCode(Span target, CodeGeneratorContext context) { // We parsed: "@contentType Text.Html" // And we assigned this code generator to the "Text.Html" part // So this node's content should be "Text.Html" string contentType = target.Content; // The final code we want is something like // Response.ContentType = ContentTypes.Text.Html; // So, we start by injecting the "prolog" (this is compiler speak for the stuff before the user code) context.BufferStatementFragment("Response.ContentType = ContentTypes."); // Now we tell the code generator infrastructure that we're at the start of user code // This allows us to inject markers so the editor can light up. context.MarkStartOfGeneratedCode(); // Here's our user code! context.BufferStatementFragment(contentType); // And we tell Razor we're finished with user code, again for the editor context.MarkEndOfGeneratedCode(); // Finally, we inject the "epilog" (compiler speak for stuff after the user code) context.BufferStatementFragment(";"); // And output the whole statement to the generated Execute method context.FlushBufferedStatement(); }
public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context) { string writeInvocation = context.BuildCodeString(cw => { if (context.Host.DesignTimeMode) { context.EnsureExpressionHelperVariable(); cw.WriteStartAssignment("__o"); } else if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput) { if (!String.IsNullOrEmpty(context.TargetWriterName)) { cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteToMethodName); cw.WriteSnippet(context.TargetWriterName); cw.WriteParameterSeparator(); } else { cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteMethodName); } } }); context.BufferStatementFragment(writeInvocation); context.MarkStartOfGeneratedCode(); }
public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context) { if ( context.Host.EnableInstrumentation && context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput ) { Span contentSpan = target.Children .OfType <Span>() .Where(s => s.Kind == SpanKind.Code || s.Kind == SpanKind.Markup) .FirstOrDefault(); if (contentSpan != null) { context.AddContextCall( contentSpan, context.Host.GeneratedClassContext.BeginContextMethodName, false ); } } string writeInvocation = context.BuildCodeString( cw => { if (context.Host.DesignTimeMode) { context.EnsureExpressionHelperVariable(); cw.WriteStartAssignment("__o"); } else if ( context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput ) { if (!String.IsNullOrEmpty(context.TargetWriterName)) { cw.WriteStartMethodInvoke( context.Host.GeneratedClassContext.WriteToMethodName ); cw.WriteSnippet(context.TargetWriterName); cw.WriteParameterSeparator(); } else { cw.WriteStartMethodInvoke( context.Host.GeneratedClassContext.WriteMethodName ); } } } ); context.BufferStatementFragment(writeInvocation); context.MarkStartOfGeneratedCode(); }
public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context) { if (context.Host.EnableInstrumentation && context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput) { Span contentSpan = target.Children .OfType<Span>() .Where(s => s.Kind == SpanKind.Code || s.Kind == SpanKind.Markup) .FirstOrDefault(); if (contentSpan != null) { context.AddContextCall(contentSpan, context.Host.GeneratedClassContext.BeginContextMethodName, false); } } string writeInvocation = context.BuildCodeString(cw => { if (context.Host.DesignTimeMode) { context.EnsureExpressionHelperVariable(); cw.WriteStartAssignment("__o"); } else if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput) { if (!String.IsNullOrEmpty(context.TargetWriterName)) { cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteToMethodName); cw.WriteSnippet(context.TargetWriterName); cw.WriteParameterSeparator(); } else { cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteMethodName); } } }); context.BufferStatementFragment(writeInvocation); context.MarkStartOfGeneratedCode(); }