Module:Yesno: Difference between revisions

Module:Yesno (edit)

Revision as of 12:23, 20 September 2013

853 bytes removed , 11 years ago

change to a simpler Lua-only version

Anonymous user

m>Mr. Stradivarius

@@ Line 1: / Line 1: @@
-local p = {}
+-- This is a simplified, Lua-only replacement for the template {{yesno}}. It provides a consistent
+-- interface for users entering boolean or boolean-style input.
-function p.yesno(frame)
+return function (val, default)
+     val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
-     -- defaults
+     if not val or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
-     local retvals = {
+         return false
-        yes   = "yes",
+    elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
-        no    = "",
+         return true
-        ["¬"] = ""
+    elseif default ~= nil then
-    }
+         return default
-    -- Allow arguments to override defaults.
-    local args;
-    if frame == mw.getCurrentFrame() then
-         -- We're being called via #invoke. If the invoking template passed any args, use
-        -- them. Otherwise, use the args that were passed into the template.
-        args = frame:getParent().args;
-         for k, v in pairs(frame.args) do
-            args = frame.args;
-            break
-         end
      else
-        -- We're being called from another module or from the debug console, so assume
+         return true
-        -- the args are passed in directly.
-        args = frame;
-    end
-    for k,v in pairs(args) do
-        retvals[k] = v
-    end
-    val = args[1]
-    -- First deal with the case if val is nil, then deal with other cases.
-    if val == nil then
-         return retvals['¬']
-    end
-    val = val:lower()          -- Make lowercase.
-    val = val:match'^%s*(.*%S)' or ''  -- Trim whitespace.
-    if val == '' then
-        return retvals['blank'] or retvals['no']
-    elseif val == 'n' or val == 'no'  or tonumber(val) == 0 then
-        return retvals['no']
-    elseif val == 'y' or val == 'yes' or tonumber(val) == 1 then
-        return retvals['yes']
-    elseif val == '¬' then
-        return retvals['¬']
-    else
-        return retvals['def'] or retvals['yes']
      end
 end
-return p