1 files changed, 42 insertions, 0 deletions
diff --git a/templates.go b/templates.go
index 3f8cf42..4c226f6 100644
--- a/templates.go
+++ b/templates.go
@@ -2,6 +2,7 @@ package syw
 
 import (
 	"embed"
+	"net/url"
 	"text/template"
 )
 
@@ -11,6 +12,47 @@ var (
 	geminiTemplate   = template.Must(template.ParseFS(geminiTemplateFS, "templates/*.gmi"))
 )
 
+var (
+	//go:embed templates/*.gophermap templates/*.gophertext
+	gopherTemplateFS embed.FS
+	gopherTemplate   = template.Must(
+		template.New("gopher").Funcs(template.FuncMap{
+			"combine": gopherCombine,
+			"join": gopherJoin,
+		}).ParseFS(
+			gopherTemplateFS,
+			"templates/*.gophermap",
+			"templates/*.gophertext",
+		),
+	)
+)
+
+func gopherCombine(base string, relative ...string) (string, error) {
+	bu, err := url.Parse(base)
+	if err != nil {
+		return "", err
+	}
+
+	for _, rel := range relative {
+		ru, err := url.Parse(rel)
+		if err != nil {
+			return "", err
+		}
+		bu = bu.ResolveReference(ru)
+	}
+
+	return bu.String(), nil
+}
+
+func gopherJoin(base string, relative ...string) (string, error) {
+	bu, err := url.Parse(base)
+	if err != nil {
+		return "", err
+	}
+
+	return bu.JoinPath(relative...).Path, nil
+}
+
 func addTemplates(base *template.Template, additions *template.Template) (*template.Template, error) {
 	base, err := base.Clone()
 	if err != nil {