Support a config file to use instead of commandline arguments

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

1 files changed, 4 insertions, 13 deletions

diff --git a/context.go b/context.go
index ab12d404..a2b8b002 100644
--- a/context.go
+++ b/context.go
@@ -1,10 +1,12 @@
 package gomplate
 
 import (
+	"context"
 	"os"
 	"strings"
 
 	"github.com/hairyhenderson/gomplate/v3/data"
+	"github.com/hairyhenderson/gomplate/v3/internal/config"
 )
 
 // context for templates
@@ -20,11 +22,10 @@ func (c *tmplctx) Env() map[string]string {
 	return env
 }
 
-func createTmplContext(contexts []string, d *data.Data) (interface{}, error) {
+func createTmplContext(ctx context.Context, contexts config.DSources, d *data.Data) (interface{}, error) {
 	var err error
 	tctx := &tmplctx{}
-	for _, c := range contexts {
-		a := parseAlias(c)
+	for a := range contexts {
 		if a == "." {
 			return d.Datasource(a)
 		}
@@ -35,13 +36,3 @@ func createTmplContext(contexts []string, d *data.Data) (interface{}, error) {
 	}
 	return tctx, nil
 }
-
-func parseAlias(arg string) string {
-	parts := strings.SplitN(arg, "=", 2)
-	switch len(parts) {
-	case 1:
-		return strings.SplitN(parts[0], ".", 2)[0]
-	default:
-		return parts[0]
-	}
-}