Module:NUMBEROFSECTIONS
Revision as of 03:35, 1 April 2016 by blackwiki>Alex 21 (Return 0 for non-existent articles)
| This module is rated as alpha. It is ready for third-party input, and may be used on a few pages to see if problems arise, but should be watched. Suggestions for new features or changes in their input and output mechanisms are welcome. |
Usage
| This module is invoked by {{NUMBEROFSECTIONS}} |
sections{{ #invoke:NUMBEROFSECTIONS|main| page name [ # page name [ # ... ] ] | level = section level number(s) }}- Multiple page names (at least one required) are the
#delimited names of any Wikipedia pages (including namespaces). - section level(s) (required) is any group of numerals between 1 and 6 (inclusive) e.g.
435or5 3 4equates to:
- sections with a level
3( "===" ),4( "====" ) or5( "=====" ) heading.
- sections with a level
- Multiple page names (at least one required) are the
{{#invoke:NUMBEROFSECTIONS|main|Wikipedia:Village pump (technical)|level=2}}producesTemplate:NUMBEROFSECTIONS{{#invoke:NUMBEROFSECTIONS|main|Wikipedia:Village pump (technical)#Wikipedia:Village pump (proposals)|level=2}}producesTemplate:NUMBEROFSECTIONS
local p = {}
-- Counting function accepting a string haystack and table of needles
local function count(haystack, needles)
local number = 0
if (haystack == nil) then
return number
end
-- While we have needles to look for
for index, needle in ipairs(needles) do
-- find them all in our haystack
for m in string.gmatch(haystack, needle) do
number = number + 1
end
end
return number
end
-- Function takes any number of # delimited page names and section level numbers
function p.sections(frame)
local total = 0
local needles = {}
local title_obj = ""
-- Separate page names from # delimited string into table
local pages = mw.text.split(frame.args[1], '%s?#%s?')
-- Separate whitespace delimited section level numbers into table
local levels = mw.text.split(frame.args['level'], '%s*')
-- Iterate through levels
for level in mw.text.gsplit(table.concat(levels), '') do
-- and add the level needle to needles
needles[#needles + 1] = '\n'..string.rep('=', tonumber(level))..'[^=]'
end
-- For each page name in pages
for index, page in ipairs(pages) do
title_obj = mw.title.new(page)
-- if we've request the content of a legitimate page
if title_obj then
--[[ pass the raw markup and needles to count
and add the return to total ]]
total = total + count(title_obj:getContent(), needles)
end
end
--[[ then return how many sections of the required level
are in all the pages passed ]]
return total
end
return p