Module:HF

-- HF stands for High Frequency. -- This Module augments the built-in HF local HF = mw.InfoboxBuilderHF

-- Libraries of functions --

-- Parses invocation and template parameters, trims whitespace, and removes blanks. local getArgs = require('Dev:Arguments').getArgs --- -- Libraries of data -- ---

-- Local functions (used only in this Module) --

-- -- Public functions (called from a Template or article) -- -- -- eliminates the link portion wikitext of a File: call, leaving only the bare filename. function HF.stripFileWrapper(frame) local args = getArgs(frame) return HF._stripFileWrapper(args[1]) end

-- returns the first argument if a content namespace, else the second function HF.content(frame) local args = getArgs(frame) return mw.title.getCurrentTitle.isContentPage and (args[1] or '') or (args[2] or '') end

-- returns preload template indicator function HF.PreloadPage(frame) local out = { '', ('This page is a preload template. Simply click one of the template preloads from the menu in the editor and its contents will be placed on the page that you are editing. More info on preloads can be found at this %s.') :format(HF.Link('Template:PreloadPage/doc', 'documentation page')), HF.Category('Preload templates') } return (mw.title.getCurrentTitle:inNamespace( 10 )    and mw.title.getCurrentTitle.text:lower:match('preload$')) and table.concat(out) or nil end

-- returns ifincl function HF.match(frame) local args = getArgs(frame) --  local test = args[lower] and args[1]:lower or args[1] or '' local subject = args[lower] and args[2]:lower or args[2] or '' return subject:match(test) and (args[3] or ) or (args[4] or ) end

- -- Internal functions (used in this and other Modules) -- - -- eliminates whitespace from the front and back of a string function HF.trim(s) if type(s) == 'string' then return (s:gsub("^%s*(.-)%s*$", '%1')) else return false end end -- This creates an external link. function HF.ExternalLink( target, label, plain ) local output = string.format('[%s %s]', target, label) if plain == true then output = string.format(' %s ', output) end return output end -- This creates a link to a category, as well as placing it in that category. -- `sortkey` and `label` are optional -- If there's no `label` given, it will only place it in the category, -- which is what HF.Category is for. function HF.CategoryLink( category, sortkey, label ) if not HF.isempty( label ) then return HF.LinkToCategory( category, label ) .. HF.Category( category, sortkey ) else return HF.Category( category, sortkey ) end end -- Adds a Category -- `sortkey` is optional function HF.Category( category, sortkey ) if sortkey == nil then sortkey = '' else sortkey = '|' .. sortkey end return string.format('%s'..'Category:%s%s]]', '[[', category, sortkey) end -- Adds a link to a Category function HF.LinkToCategory( category, label ) return string.format('%s'..'Category:%s|%s]]', '[[:', category, label or 'Category:' .. category ) end -- Adds an internal link -- `label` is optional function HF.Link( link, text ) if not HF.isempty( text ) then return string.format('%s'..'%s|%s]]', '[[', link, text) else return string.format('%s'..'%s]]', '[[', link) end end -- eliminates the link portion wikitext of a File: call, leaving only the bare filename. function HF._stripFileWrapper (s) if type(s) == 'string' then return (s   :gsub("%[*(.*)", '%1') -- leading brackets    :gsub("([%a]*)|+.*", '%1') -- arguments    :gsub("([%a]*)%]*", '%1') -- closing brackets    ) else return false end end - -- Output (send it back to whatever called it) -- - return HF