Difference between revisions of "Module:Arguments"
return a table rather than a function, improve the comments
>Mr. Stradivarius (create argument-processing module) |
>Mr. Stradivarius (return a table rather than a function, improve the comments) |
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-- This module provides easy processing of arguments passed to Scribunto from #invoke. | -- This module provides easy processing of arguments passed to Scribunto from #invoke. | ||
-- It is intended for use by other Lua modules, and should not be called from #invoke directly. | |||
local function | local arguments = {} | ||
function arguments.getArgs(frame, options) | |||
options = type(options) == 'table' and options or {} | options = type(options) == 'table' and options or {} | ||
-- Get the arguments from the frame object if available. If the frame object is not available, we are being called | |||
-- from another Lua module or from the debug console, so assume arguments are passed directly in. | |||
local fargs, pargs | local fargs, pargs | ||
if frame == mw.getCurrentFrame() then | if frame == mw.getCurrentFrame() then | ||
| Line 31: | Line 36: | ||
end | end | ||
-- Use a user-generated functions to tidy the values if specified. | |||
local valueFunc = options.valueFunc | local valueFunc = options.valueFunc | ||
if valueFunc then | if valueFunc then | ||
| Line 54: | Line 60: | ||
end | end | ||
-- Set the order of precedence of frame args and parent args. | |||
local firstArgs, secondArgs = fargs, pargs | local firstArgs, secondArgs = fargs, pargs | ||
if options.parentFirst then | if options.parentFirst then | ||
| Line 59: | Line 66: | ||
end | end | ||
-- Define metatable behaviour. | |||
metatable.__index = function (t, key) | metatable.__index = function (t, key) | ||
local val = metaArgs[key] | local val = metaArgs[key] | ||
| Line 99: | Line 107: | ||
end | end | ||
return | return arguments | ||