Module:NUMBEROFSECTIONS
Revision as of 15:52, 24 March 2016 by blackwiki>Fred Gandt (a few simple comments and preparedness for expansion)
| 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
local index = 1
local needle = needles[index]
-- While we have needles to look for
while needle do
-- find them all in our haystack
for m in string.gmatch(haystack, needle) do
number = number + 1
end
index = index + 1
needle = needles[index]
end
return number
end
-- Function accepting a page name and section level numbers
function p.sections(frame)
local needles = {}
local levels = frame.args[2]
local title = mw.title.new(frame.args[1])
-- For every section level number
for level in mw.text.gsplit(levels, "") do
if level ~= " " then
-- add the needle to our table of needles
needles[#needles + 1] = "\n" ..
string.rep("=", tonumber(level)) .. "[^=]"
end
end
-- then return how many needles are in our haystack
return count(title:getContent(), needles)
end
return p