Re: embd 0.1.0 - embedded D

[Sönke Ludwig]

Am 06.03.2013 10:08, schrieb Nathan M. Swan:
> Announcing the release of embd, a low-level (i.e. small) API for
> embedding D code into text:
> 
> https://github.com/carlor/embd
> 
> It's a bit of an inconvenient API, but it's customizable and gives the
> client control in what gets passed to the template.
> 
> I hope some of you find it useful!
> 
> NMS

Great, finally something that works for plain text files!

I guess a simple wrapper could make it work with a similar interface to
vibe.d's Diet templates (slightly ugly with that struct because of the
additional range template argument and not tested at all):

struct renderEmbd(string FILE, ALIASES...)
{
        class Context(R) : emdb.Context {
                R* _output;

                mixin(renderer);
        
                void write(string content, dchar evalCode){
                        if (evalCode == '=')
                                filterHtmlEscape(*_output, content);
                        else
                                _output.put(content);
                }
        }

        static void opCall(R)(ref R output_range)
        {
                static Context!R ctx;
                if( !ctx ) ctx = new Context!R;
                ctx._output = &output_range;
                scope(exit) ctx._output = null;
                ctx.render!(import(FILE), `!=`, `<%`, `%>`)();
        }
}


Usage:

auto dst = appender!string();
renderEmbd!("userprofile.embd.html", username, title, biography)(dst);