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− | -- This module may be used to compare the arguments passed to the parent
| + | == Summary == |
− | -- with a list of arguments, returning a specified result if an argument is
| + | Importing file |
− | -- not on the list
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− | local p = {}
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− | | |
− | local function trim(s)
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− | return s:match('^%s*(.-)%s*$')
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− | end
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− | | |
− | local function isnotempty(s)
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− | return s and trim(s) ~= ''
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− | end
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− | | |
− | function p.check (frame)
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− | local args = frame.args
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− | local pargs = frame:getParent().args
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− | local ignoreblank = isnotempty(frame.args['ignoreblank'])
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− | local showblankpos = isnotempty(frame.args['showblankpositional'])
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− | local knownargs = {}
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− | local unknown = frame.args['unknown'] or 'Found _VALUE_, '
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− | local preview = frame.args['preview']
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− | | |
− | local values = {}
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− | local res = {}
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− | local regexps = {}
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− | | |
− | -- create the list of known args, regular expressions, and the return string
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− | for k, v in pairs(args) do
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− | if type(k) == 'number' then
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− | v = trim(v)
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− | knownargs[v] = 1
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− | elseif k:find('^regexp[1-9][0-9]*$') then
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− | table.insert(regexps, '^' .. v .. '$')
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− | end
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− | end
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− | if isnotempty(preview) then
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− | preview = '<div class="hatnote" style="color:red"><strong>Warning:</strong> ' .. preview .. ' (this message is shown only in preview).</div>'
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− | elseif preview == nil then
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− | preview = unknown
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− | end
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− | | |
− | -- loop over the parent args, and make sure they are on the list
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− | for k, v in pairs(pargs) do
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− | if type(k) == 'string' and knownargs[k] == nil then
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− | local knownflag = false
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− | for i, regexp in ipairs(regexps) do
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− | if mw.ustring.match(k, regexp) then
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− | knownflag = true
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− | break
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− | end
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− | end
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− | if not knownflag and ( not ignoreblank or isnotempty(v) ) then
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− | k = mw.ustring.gsub(k, '[^%w\-_ ]', '?')
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− | table.insert(values, k)
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− | end
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− | elseif type(k) == 'number' and
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− | knownargs[tostring(k)] == nil and
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− | ( showblankpos or isnotempty(v) )
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− | then
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− | local vlen = mw.ustring.len(v)
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− | v = mw.ustring.sub(v, 1, (vlen < 25) and vlen or 25)
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− | v = mw.ustring.gsub(v, '[^%w\-_ ]', '?')
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− | table.insert(values, k .. ' = ' .. v .. ((vlen >= 25) and ' ...' or ''))
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− | end
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− | end
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− | | |
− | -- add resuls to the output tables
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− | if #values > 0 then
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− | if frame:preprocess( "{{REVISIONID}}" ) == "" then
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− | unknown = preview
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− | end
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− | for k, v in pairs(values) do
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− | if v == '' then
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− | -- Fix odd bug for | = which gets stripped to the empty string and
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− | -- breaks category links
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− | v = ' '
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− | end
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− | local r = unknown:gsub('_VALUE_', v)
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− | table.insert(res, r)
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− | end
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− | end
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− | | |
− | return table.concat(res)
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− | end
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− | | |
− | return p
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