scripts: move some utility functions out of netifd-proto.sh into utils.sh

[project/netifd.git] / scripts / utils.sh

diff --git a/scripts/utils.sh b/scripts/utils.sh
new file mode 100644 (file)
index 0000000..6a137c0
--- /dev/null
+++ b/scripts/utils.sh
@@ -0,0 +1,33 @@
+append() {
+       local var="$1"
+       local value="$2"
+       local sep="${3:- }"
+
+       eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
+}
+
+add_default_handler() {
+       case "$(type $1 2>/dev/null)" in
+               *function*) return;;
+               *) eval "$1() { return; }"
+       esac
+}
+
+_config_add_generic() {
+       json_add_array ""
+       json_add_string "" "$1"
+       json_add_int "" "$2"
+       json_close_array
+}
+
+config_add_int() {
+       _config_add_generic "$1" 5
+}
+
+config_add_string() {
+       _config_add_generic "$1" 3
+}
+
+config_add_boolean() {
+       _config_add_generic "$1" 7
+}