protected override Expression VisitStatementExpression(StatementExpression sex)
{
if (sex.Body is CommentExpression)
{
return Expression.Empty();
}
return sex;
}
protected override Expression VisitStatementExpression(StatementExpression sex)
{
if (sex.Body is BlockHelperExpression)
{
return Visit(sex.Body);
}
else
{
return sex;
}
}
protected override Expression VisitStatementExpression(StatementExpression sex)
{
if (sex.Body is PartialExpression)
{
return Visit(sex.Body);
}
else
{
return sex;
}
}
protected override Expression VisitStatementExpression(StatementExpression sex)
{
if (sex.Body is PathExpression)
{
var writeMethod = typeof(TextWriter).GetMethod("Write", new [] { typeof(object) });
return Expression.Call(
Expression.Property(
CompilationContext.BindingContext,
"TextWriter"),
writeMethod,
new[] { Visit(sex.Body) });
}
else
{
return Visit(sex.Body);
}
}
protected override Expression VisitStatementExpression(StatementExpression sex)
{
if (sex.IsEscaped == false)
{
return Expression.Block(
Expression.Assign(
Expression.Property(CompilationContext.BindingContext, "OutputMode"),
Expression.Constant(OutputMode.Unencoded)),
sex,
Expression.Assign(
Expression.Property(CompilationContext.BindingContext, "OutputMode"),
Expression.Constant(OutputMode.Encoded)));
}
else
{
return sex;
}
}
protected override Expression VisitStatementExpression(StatementExpression sex)
{
if (sex.IsEscaped == false)
{
return Expression.Block(
typeof(void),
Expression.Assign(
Expression.Property(CompilationContext.BindingContext, "SuppressEncoding"),
Expression.Constant(true)),
sex,
Expression.Assign(
Expression.Property(CompilationContext.BindingContext, "SuppressEncoding"),
Expression.Constant(false)),
Expression.Empty());
}
else
{
return sex;
}
}
protected virtual Expression VisitStatementExpression(StatementExpression sex)
{
return sex;
}
protected override Expression VisitStatementExpression(StatementExpression sex) => sex.Body is PartialExpression?Visit(sex.Body) : sex;
protected override Expression VisitStatementExpression(StatementExpression sex)
{
return(sex.Body is BlockHelperExpression?Visit(sex.Body) : sex);
}
private static bool IsBlockStatement(StatementExpression statement)
{
return IsBlockHelperOrInversion(statement.Body as HelperExpression) ||
IsSectionOrClosingNode(statement.Body as PathExpression);
}
private static bool IsStandalone(StatementExpression statement)
{
return statement.Body is CommentExpression ||
statement.Body is PartialExpression ||
IsBlockStatement(statement);
}
private static bool IsBlockStatement(StatementExpression statement)
{
return(IsBlockHelperOrInversion(statement.Body as HelperExpression) ||
IsSectionOrClosingNode(statement.Body as PathExpression));
}
private static bool IsStandalone(StatementExpression statement)
{
return(statement.Body is CommentExpression ||
statement.Body is PartialExpression ||
IsBlockStatement(statement));
}
