protected override Expression VisitBlockHelperExpression(BlockHelperExpression bhex)
{
return(HandlebarsExpression.BlockHelperExpression(
bhex.HelperName,
bhex.Arguments.Select(Visit),
Visit(bhex.Body),
Visit(bhex.Inversion)));
}
protected override Expression VisitBlockHelperExpression(BlockHelperExpression bhex)
{
var fb = new FunctionBuilder(CompilationContext.Configuration);
var body = fb.Compile(((BlockExpression)bhex.Body).Expressions, CompilationContext.BindingContext);
var inversion = fb.Compile(((BlockExpression)bhex.Inversion).Expressions, CompilationContext.BindingContext);
var helper = CompilationContext.Configuration.BlockHelpers[bhex.HelperName.Replace("#", "")];
var arguments = new Expression[]
{
Expression.Property(
CompilationContext.BindingContext,
typeof(BindingContext).GetProperty("TextWriter")),
Expression.New(
typeof(HelperOptions).GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic)[0],
body,
inversion),
Expression.Property(
CompilationContext.BindingContext,
typeof(BindingContext).GetProperty("Value")),
Expression.NewArrayInit(typeof(object), bhex.Arguments)
};
if (helper.Target != null)
{
return(Expression.Call(
Expression.Constant(helper.Target),
#if netstandard
helper.GetMethodInfo(),
#else
helper.Method,
#endif
arguments));
}
else
{
return(Expression.Call(
#if netstandard
helper.GetMethodInfo(),
#else
helper.Method,
#endif
arguments));
}
}
protected virtual Expression VisitBlockHelperExpression(BlockHelperExpression bhex)
{
return(bhex);
}
protected virtual System.Linq.Expressions.Expression VisitBlockHelperExpression(BlockHelperExpression bhex)
{
return(bhex);
}
protected override System.Linq.Expressions.Expression VisitBlockHelperExpression(BlockHelperExpression bhex)
{
var isInlinePartial = bhex.HelperName == "#*inline";
var fb = new FunctionBuilder(CompilationContext.Configuration);
var bindingContext = isInlinePartial ? (System.Linq.Expressions.Expression)CompilationContext.BindingContext :
System.Linq.Expressions.Expression.Property(
CompilationContext.BindingContext,
typeof(BindingContext).GetProperty("Value"));
var body = fb.Compile(((BlockExpression)bhex.Body).Expressions, CompilationContext.BindingContext);
var inversion = fb.Compile(((BlockExpression)bhex.Inversion).Expressions, CompilationContext.BindingContext);
var helper = CompilationContext.Configuration.BlockHelpers[bhex.HelperName.Replace("#", "")];
var arguments = new System.Linq.Expressions.Expression[]
{
System.Linq.Expressions.Expression.Property(
CompilationContext.BindingContext,
typeof(BindingContext).GetProperty("TextWriter")),
System.Linq.Expressions.Expression.New(
typeof(HelperOptions).GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic)[0],
body,
inversion),
//this next arg is usually data, like { first: "Marc" }
//but for inline partials this is the complete BindingContext.
bindingContext,
System.Linq.Expressions.Expression.NewArrayInit(typeof(object), bhex.Arguments)
};
if (helper.Target != null)
{
return(System.Linq.Expressions.Expression.Call(
System.Linq.Expressions.Expression.Constant(helper.Target),
#if netstandard
helper.GetMethodInfo(),
#else
helper.Method,
#endif
arguments));
}
else
{
return(System.Linq.Expressions.Expression.Call(
#if netstandard
helper.GetMethodInfo(),
#else
helper.Method,
#endif
arguments));
}
}
