使用Angular JS指令为表单创建特定于域的语言（带绑定）

I'm trying to create a set of DSLs using Angular directives to have dynamic templating for some simple form elements based on data-type. I'm looking for some help in getting the binding to work as well as more theoretical help as to whether or not this is the 'right approach' in terms of best-practices etc...I'm trying to create a set of DSLs using Angula