sh/jshn.sh: add json_for_each_item()

[project/libubox.git] / sh / jshn.sh

diff --git a/sh/jshn.sh b/sh/jshn.sh
index 66baccb..7b0155d 100644 (file)
--- a/sh/jshn.sh
+++ b/sh/jshn.sh
@@ -288,3 +288,28 @@ json_is_a() {
        json_get_type type "$1"
        [ "$type" = "$2" ]
 }
        json_get_type type "$1"
        [ "$type" = "$2" ]
 }

+
+json_for_each_item() {
+       [ "$#" -ge 2 ] || return 0
+       local function="$1"; shift
+       local target="$1"; shift
+       local type val
+
+       json_get_type type "$target"
+       case "$type" in
+               object|array)
+                       local keys key
+                       json_select "$target"
+                       json_get_keys keys
+                       for key in $keys; do
+                               json_get_var val "$key"
+                               eval "$function \"\$val\" \"\$key\" \"\$@\""
+                       done
+                       json_select ..
+               ;;
+               *)
+                       json_get_var val "$target"
+                       eval "$function \"\$val\" \"\" \"\$@\""
+               ;;
+       esac
+}