public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
{
string endBlock = context.BuildCodeString(cw =>
{
if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
{
if (!context.Host.DesignTimeMode)
{
cw.WriteEndMethodInvoke();
}
cw.WriteEndStatement();
}
else
{
cw.WriteLineContinuation();
}
});
context.MarkEndOfGeneratedCode();
context.BufferStatementFragment(endBlock);
context.FlushBufferedStatement();
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.EndContextMethodName, false);
}
}
}
public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
{
// Flush the buffered statement since we're interrupting it with a comment.
if (!String.IsNullOrEmpty(context.CurrentBufferedStatement))
{
context.MarkEndOfGeneratedCode();
context.BufferStatementFragment(context.BuildCodeString(cw => cw.WriteLineContinuation()));
}
context.FlushBufferedStatement();
}
public override void GenerateCode(Span target, CodeGeneratorContext context)
{
if (context.Host.DesignTimeMode)
{
return;
}
ExpressionRenderingMode oldMode = context.ExpressionRenderingMode;
context.BufferStatementFragment(context.BuildCodeString(cw =>
{
cw.WriteParameterSeparator();
cw.WriteStartMethodInvoke("Tuple.Create");
cw.WriteLocationTaggedString(Prefix);
cw.WriteParameterSeparator();
if (ValueGenerator != null)
{
cw.WriteStartMethodInvoke("Tuple.Create", "System.Object", "System.Int32");
context.ExpressionRenderingMode = ExpressionRenderingMode.InjectCode;
}
else
{
cw.WriteLocationTaggedString(Value);
cw.WriteParameterSeparator();
// literal: true - This attribute value is a literal value
cw.WriteBooleanLiteral(true);
cw.WriteEndMethodInvoke();
// In VB, we need a line continuation
cw.WriteLineContinuation();
}
}));
if (ValueGenerator != null)
{
ValueGenerator.Value.GenerateCode(target, context);
context.FlushBufferedStatement();
context.ExpressionRenderingMode = oldMode;
context.AddStatement(context.BuildCodeString(cw =>
{
cw.WriteParameterSeparator();
cw.WriteSnippet(ValueGenerator.Location.AbsoluteIndex.ToString(CultureInfo.CurrentCulture));
cw.WriteEndMethodInvoke();
cw.WriteParameterSeparator();
// literal: false - This attribute value is not a literal value, it is dynamically generated
cw.WriteBooleanLiteral(false);
cw.WriteEndMethodInvoke();
// In VB, we need a line continuation
cw.WriteLineContinuation();
}));
}
else
{
context.FlushBufferedStatement();
}
}
public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
{
string generatedCode = context.BuildCodeString(cw =>
{
cw.WriteEndLambdaDelegate();
cw.WriteEndConstructor();
cw.WriteEndLambdaExpression();
});
context.BufferStatementFragment(generatedCode);
context.TargetWriterName = _oldTargetWriter;
}
public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
{
string generatedCode = context.BuildCodeString(cw =>
{
cw.WriteStartLambdaExpression(ItemParameterName);
cw.WriteStartConstructor(context.Host.GeneratedClassContext.TemplateTypeName);
cw.WriteStartLambdaDelegate(TemplateWriterName);
});
context.MarkEndOfGeneratedCode();
context.BufferStatementFragment(generatedCode);
context.FlushBufferedStatement();
_oldTargetWriter = context.TargetWriterName;
context.TargetWriterName = TemplateWriterName;
}
public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
{
if (context.Host.DesignTimeMode)
{
return; // Don't generate anything!
}
// What kind of block is nested within
string generatedCode;
Block child = target.Children.Where(n => n.IsBlock).Cast<Block>().FirstOrDefault();
if (child != null && child.Type == BlockType.Expression)
{
_isExpression = true;
generatedCode = context.BuildCodeString(cw =>
{
cw.WriteParameterSeparator();
cw.WriteStartMethodInvoke("Tuple.Create");
cw.WriteLocationTaggedString(Prefix);
cw.WriteParameterSeparator();
cw.WriteStartMethodInvoke("Tuple.Create", "System.Object", "System.Int32");
});
_oldRenderingMode = context.ExpressionRenderingMode;
context.ExpressionRenderingMode = ExpressionRenderingMode.InjectCode;
}
else
{
generatedCode = context.BuildCodeString(cw =>
{
cw.WriteParameterSeparator();
cw.WriteStartMethodInvoke("Tuple.Create");
cw.WriteLocationTaggedString(Prefix);
cw.WriteParameterSeparator();
cw.WriteStartMethodInvoke("Tuple.Create", "System.Object", "System.Int32");
cw.WriteStartConstructor(context.Host.GeneratedClassContext.TemplateTypeName);
cw.WriteStartLambdaDelegate(ValueWriterName);
});
}
context.MarkEndOfGeneratedCode();
context.BufferStatementFragment(generatedCode);
_oldTargetWriter = context.TargetWriterName;
context.TargetWriterName = ValueWriterName;
}
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 GenerateCode(Span target, CodeGeneratorContext context)
{
Span sourceSpan = null;
if (context.CreateCodeWriter().SupportsMidStatementLinePragmas || context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
{
sourceSpan = target;
}
context.BufferStatementFragment(target.Content, sourceSpan);
}
public override void GenerateCode(Span target, CodeGeneratorContext context)
{
// Check if the host supports it
if (String.IsNullOrEmpty(context.Host.GeneratedClassContext.ResolveUrlMethodName))
{
// Nope, just use the default MarkupCodeGenerator behavior
new MarkupCodeGenerator().GenerateCode(target, context);
return;
}
if (!context.Host.DesignTimeMode && String.IsNullOrEmpty(target.Content))
{
return;
}
if (context.Host.EnableInstrumentation && context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
{
// Add a non-literal context call (non-literal because the expanded URL will not match the source character-by-character)
context.AddContextCall(target, context.Host.GeneratedClassContext.BeginContextMethodName, isLiteral: false);
}
if (!String.IsNullOrEmpty(target.Content) && !context.Host.DesignTimeMode)
{
string code = context.BuildCodeString(cw =>
{
if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
{
if (!String.IsNullOrEmpty(context.TargetWriterName))
{
cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteLiteralToMethodName);
cw.WriteSnippet(context.TargetWriterName);
cw.WriteParameterSeparator();
}
else
{
cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteLiteralMethodName);
}
}
cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.ResolveUrlMethodName);
cw.WriteStringLiteral(target.Content);
cw.WriteEndMethodInvoke();
if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
{
cw.WriteEndMethodInvoke();
cw.WriteEndStatement();
}
else
{
cw.WriteLineContinuation();
}
});
if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
{
context.AddStatement(code);
}
else
{
context.BufferStatementFragment(code);
}
}
if (context.Host.EnableInstrumentation && context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
{
context.AddContextCall(target, context.Host.GeneratedClassContext.EndContextMethodName, isLiteral: false);
}
}