libs/web: add range(min,max) datatype validator

[project/luci.git] / libs / web / luasrc / cbi / datatypes.lua

diff --git a/libs/web/luasrc/cbi/datatypes.lua b/libs/web/luasrc/cbi/datatypes.lua
index f8d8153..2fdb580 100644 (file)
--- a/libs/web/luasrc/cbi/datatypes.lua
+++ b/libs/web/luasrc/cbi/datatypes.lua
@@ -208,3 +208,15 @@ end
 function uciname(val)
        return (val:match("^[a-zA-Z0-9_]+$") ~= nil)
 end
+
+function range(val, min, max)
+       val = tonumber(val)
+       min = tonumber(min)
+       max = tonumber(max)
+
+       if val ~= nil and min ~= nil and max ~= nil then
+               return ((val >= min) and (val <= max))
+       end
+
+       return false
+end