Module:Unsubst: Difference between revisions
m (1 revision) |
(Minor changes) |
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local specialParams = { | local specialParams = { | ||
['$N'] = 'template name', | ['$N'] = 'template name', | ||
['$B'] = 'template content', | ['$B'] = 'template content', | ||
} | } | ||
| Line 8: | Line 8: | ||
p[''] = function ( frame ) | p[''] = function ( frame ) | ||
if not frame:getParent() then | if not frame:getParent() then | ||
error( '{{#invoke:Unsubst|}} makes no sense without a parent frame' ) | error( '{{#invoke:Unsubst|unsubst}} makes no sense without a parent frame' ) | ||
end | end | ||
if not frame.args[ | for k, v in pairs( specialParams ) do | ||
if not frame.args[k] then | |||
error( '{{#invoke:Unsubst|unsubst}} requires parameter ' .. k .. ' (' .. v .. ')' ) | |||
end | |||
end | end | ||
| Line 30: | Line 32: | ||
end | end | ||
-- | -- Now, build an equivalent template invocation | ||
-- First | -- First numbered args, then named | ||
local ret = '{{' .. frame.args['$N'] | |||
local ret = '{{' .. | |||
for k, v in ipairs( args ) do | for k, v in ipairs( args ) do | ||
if string.find( v, '=', 1, true ) then | if string.find( v, '=', 1, true ) then | ||
Revision as of 09:45, 16 April 2014
local p = {}
local specialParams = { ['$N'] = 'template name', ['$B'] = 'template content', }
p[] = function ( frame ) if not frame:getParent() then error( 'Script error: The function "unsubst" does not exist. makes no sense without a parent frame' ) end for k, v in pairs( specialParams ) do if not frame.args[k] then error( 'Script error: The function "unsubst" does not exist. requires parameter ' .. k .. ' (' .. v .. ')' ) end end
if mw.isSubsting() then ---- substing -- Combine passed args with passed defaults local args = {} for k, v in pairs( frame.args ) do if not specialParams[k] then if v == '__DATE__' then v = mw.getContentLanguage():formatDate( 'F Y' ) end args[k] = v end end for k, v in pairs( frame:getParent().args ) do args[k] = v end
-- Now, build an equivalent template invocation -- First numbered args, then named local ret = '{{' .. frame.args['$N'] for k, v in ipairs( args ) do if string.find( v, '=', 1, true ) then -- likely something like 1=foo=bar, we need to do it as a named arg break end ret = ret .. '|' .. v args[k] = nil end for k, v in pairs( args ) do ret = ret .. '|' .. k .. '=' .. v end
return ret .. '}}' else ---- Not substing -- Just return the "body" return frame.args['$B'] end end
return p