sourceafEfan::Efan.fan

** Convenience methods for compiling and rendering efan templates.
** 
**   syntax: fantom
**   str := efan.render("Hello <%= ctx %>!", "Mum")  // --> "Hello Mum!"  
const class Efan {
    
    @NoDoc
    const EfanCompiler  efanCompiler

    ** Standard it-block ctor.
    @NoDoc
    new make(|This|? in := null) {
        in?.call(this)
        if (efanCompiler == null)   efanCompiler = EfanCompiler()
    } 
    
    private new ctorForIoc(EfanCompiler efanCompiler, |This| in) {
        this.efanCompiler    = efanCompiler
        in(this)
    }

    ** Compiles the given efan template to a re-usable meta object.
    ** 
    ** The compiled template (not the returned Meta) extends the given view helper mixins.
    ** 
    ** 'templateLoc' may be anything - used for meta information only.
    EfanMeta compile(Str efanTemplate, Type? ctxType := null, Type[]? viewHelpers := null, Uri? templateLoc := null) {
        efanCompiler.compile(templateLoc ?: `from/efan/template`, efanTemplate, ctxType, viewHelpers ?: Type#.emptyList)
    }
    
    ** Compiles and renders the given efan 'Str' template.
    ** 
    **   syntax: fantom
    **   str := efan.render("Hello <%= ctx %>!", "Mum")  // --> "Hello Mum!"  
    ** 
    ** Convenience for:
    ** 
    **   syntax: fantom
    **   str := efan.compile(...).render(ctx)
    Str render(Str efanTemplate, Obj? ctx := null, Type[]? viewHelpers := null, Uri? srcLocation := null) {
        compile(efanTemplate, ctx?.typeof, viewHelpers, srcLocation).render(ctx)
    }
}