add HtmlGetterFunc

htmlgetterfunc.go

@@ -0,0 +1,16 @@
+package jaws
+
+import "html/template"
+
+type htmlGetterFunc struct {
+	fn func(*Element) template.HTML
+}
+
+func (g htmlGetterFunc) JawsGetHtml(e *Element) template.HTML {
+	return g.fn(e)
+}
+
+// HtmlGetterFunc wraps a function and returns a HtmlGetter.
+func HtmlGetterFunc(fn func(*Element) template.HTML) HtmlGetter {
+	return htmlGetterFunc{fn: fn}
+}

htmlgetterfunc_test.go

@@ -0,0 +1,15 @@
+package jaws
+
+import (
+	"html/template"
+	"testing"
+)
+
+func TestHtmlGetterFunc(t *testing.T) {
+	hg := HtmlGetterFunc(func(e *Element) template.HTML {
+		return "foo"
+	})
+	if s := hg.JawsGetHtml(nil); s != "foo" {
+		t.Error(s)
+	}
+}