Module:ConvertDiff
Documentation for this module may be created at Module:ConvertDiff/doc
-- This module converts Wikiquote diff URLs to the {{diff}} template format.
local newBuffer = require('Module:OutputBuffer')
local p = {}
local function decodeUrl(url)
if type(url) ~= 'string' then
return nil
end
url = mw.uri.new(url)
if not url or url.host ~= 'en.wikiquote.org' then
return nil
end
local data = {}
data.title = url.query.title and mw.uri.decode(url.query.title, 'WIKI')
data.diff = url.query.diff
data.oldid = url.query.oldid
data.diffonly = url.query.diffonly
return data
end
local function encodeDiffTemplate(data)
if not data.title and not data.diff and not data.oldid then
return nil
end
local isNamed = false -- Track whether we need to use named parameters
for k, v in pairs(data) do
if string.find(v, '=') then
isNamed = true
break
end
end
local getBuffer, print, printf = newBuffer()
print('diff')
printf('%s%s', isNamed and 'page=' or '', data.title or '')
printf('%s%s', isNamed and 'diff=' or '', data.diff or '')
printf('%s%s', isNamed and 'oldid=' or '', data.oldid or '')
if data.label then
printf('%s%s', isNamed and 'label=' or '', data.label)
end
if data.diffonly then
printf('diffonly=%s', data.diffonly)
end
local ret = getBuffer('|')
ret = '{{' .. ret .. '}}'
return ret
end
function p._url(args)
local data = decodeUrl(args.url)
if data then
data.label = args.label
return encodeDiffTemplate(data)
else
return nil
end
end
function p.url(frame)
local args = require('Module:Arguments').getArgs(frame, {
wrappers = 'Template:URL to diff',
})
return p._url(args)
end
return p