public void Visit(Block block)
{
parts.Add(context.GetInnerExpressions(block.Name, value =>
{
context.Push(block, value);
if (typeof(Lambda <string>).BaseType.IsAssignableFrom(value.Type))
{
return
(Expression.Call(
Expression.Call(value, value.Type.GetMethod("Invoke"),
Expression.Constant(block.InnerSource())),
typeof(object).GetMethod("ToString")));
}
var visitor = new CompilePartVisitor(context);
visitor.Visit((Section)block);
var expression = CompoundExpression.NullCheck(value,
nullValue: "",
returnIfNotNull: visitor.Result());
context.Pop();
return(expression);
}));
}
public void Visit(Block block)
{
parts.Add(context.GetInnerExpressions(block.Name, value =>
{
context.Push(block, value);
if (typeof(Lambda<string>).BaseType.IsAssignableFrom(value.Type))
{
return
Expression.Call(
Expression.Call(value, value.Type.GetMethod("Invoke"),
Expression.Constant(block.InnerSource())),
typeof(object).GetMethod("ToString"));
}
var visitor = new CompilePartVisitor(context);
visitor.Visit((Section)block);
var expression = CompoundExpression.NullCheck(value,
nullValue: "",
returnIfNotNull: visitor.Result());
context.Pop();
return expression;
}));
}
public static Expression Compile(this Template template, CompileContext context)
{
var visitor = new CompilePartVisitor(context);
visitor.Visit(template);
return(visitor.Result());
}
public void Visit(InvertedBlock invertedBlock)
{
parts.Add(context.GetInnerExpressions(invertedBlock.Name, value =>
{
// the logic here is really confusing, but since GetInnerExpressions does
// the truthiness check, it is basically the same as Block.Compile
var visitor = new CompilePartVisitor(context);
visitor.Visit((Section)invertedBlock);
var expression = visitor.Result();
return(expression);
}, invert: true));
}
public void Visit(InvertedBlock invertedBlock)
{
parts.Add(context.GetInnerExpressions(invertedBlock.Name, value =>
{
// the logic here is really confusing, but since GetInnerExpressions does
// the truthiness check, it is basically the same as Block.Compile
var visitor = new CompilePartVisitor(context);
visitor.Visit((Section)invertedBlock);
var expression = visitor.Result();
return expression;
}, invert: true));
}