Difference between revisions of "Module:Unsubst/sandbox"
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blackwiki>Mr. Stradivarius (fix title object usage - those should be properties, not methods) |
blackwiki>Mr. Stradivarius (tweak error messages and add a comment) |
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Line 2: | Line 2: | ||
local specialParams = { | local specialParams = { | ||
− | ['$N'] = 'template name', | + | ['$N'] = 'template name', -- Deprecated, but keeping until it is removed from transcluding templates |
['$B'] = 'template content', | ['$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| | + | error( '{{#invoke:Unsubst|}} makes no sense without a parent frame' ) |
end | end | ||
if not frame.args['$B'] then | if not frame.args['$B'] then | ||
− | error( '{{#invoke:Unsubst| | + | error( '{{#invoke:Unsubst|}} requires parameter $B (template content)' ) |
end | end | ||
Revision as of 12:08, 27 March 2014
Documentation for this module may be created at Module:Unsubst/sandbox/doc
local p = {}
local specialParams = {
['$N'] = 'template name', -- Deprecated, but keeping until it is removed from transcluding templates
['$B'] = 'template content',
}
p[''] = function ( frame )
if not frame:getParent() then
error( '{{#invoke:Unsubst|}} makes no sense without a parent frame' )
end
if not frame.args['$B'] then
error( '{{#invoke:Unsubst|}} requires parameter $B (template content)' )
end
if mw.isSubsting() then
---- substing
-- Combine passed args with passed defaults
local args = {}
for k, v in pairs( frame.args ) do
if not specialParams[k] then
if v == '__DATE__' then
v = mw.getContentLanguage():formatDate( 'F Y' )
end
args[k] = v
end
end
for k, v in pairs( frame:getParent().args ) do
args[k] = v
end
-- Build an equivalent template invocation
-- First, find the title to use
local titleobj = mw.title.new(frame:getParent():getTitle())
local title
if titleobj.namespace == 10 then -- NS_TEMPLATE
title = titleobj.text
elseif titleobj.namespace == 0 then -- NS_MAIN
title = ':' .. titleobj.text
else
title = titleobj.prefixedText
end
-- Build the invocation body with numbered args first, then named
local ret = '{{' .. title
for k, v in ipairs( args ) do
if string.find( v, '=', 1, true ) then
-- likely something like 1=foo=bar, we need to do it as a named arg
break
end
ret = ret .. '|' .. v
args[k] = nil
end
for k, v in pairs( args ) do
ret = ret .. '|' .. k .. '=' .. v
end
return ret .. '}}'
else
---- Not substing
-- Just return the "body"
return frame.args['$B']
end
end
return p