initial commit

cachedb/funcs.go

@@ -0,0 +1,35 @@
+package cachedb
+
+import (
+	`os`
+	`path/filepath`
+
+	`r00t2.io/sysutils/paths`
+)
+
+/*
+	NewCache returns a Cache from path to SQLite file `db` (or ":memory:" for an in-memory one).
+
+	It will be created if it doesn't exist for persistent caches.
+*/
+func NewCache(db string) (c *Cache, err error) {
+
+	var exists bool
+
+	switch db {
+	case ":memory:":
+	default:
+		if exists, err = paths.RealPathExists(&db); err != nil {
+			return
+		}
+		if !exists {
+			if err = os.MkdirAll(filepath.Dir(db), 0700); err != nil {
+				return
+			}
+			if err = os.WriteFile()
+		}
+	}
+	// TODO
+
+	return
+}