Module:Canada by province category navigation
--[[
v01.18: fix handling of definite article (e.g. for 'the Northwest Territories')
2.0 Resolve category redirects
each title consists of 3 parts
* prefix
* province name
* suffix
e.g. "Foo in Quebec"
* prefix = "Foo in "
* province name = "Quebec"
* suffix = ""
e.g. "Nunavut-related lists"
* prefix = ""
* province name = "Nunavut"
* suffix = "-related lists"
]]
-- config
local textSize = '90%'
local tableClass="toc"
local evenRowStyle = "vertical-align:top; background-color:#f3f3f3;"
local oddRowStyle = "vertical-align:top;"
local labelStyle = "text-align:right; font-weight: bold; padding: 0.25em 0.5em 0.25em 0.5em;"
local listStyle = "text-align:left; font-weight: normal; padding: 0.25em 0.5em 0.25em 0.5em;"
local greyLinkColor = "#888"
--[[ Note that the table styles are designed to ensure that the navbox is as wide as possible, while still leaving
enough enough space on the right for portal boxes, commons links, and GeoGroup templates.
A lot of fiddling was needed to make it work, so please test any chnages very carfully in the sandbox.
]]
local tableFallbackMaxWidth="auto"
local tableMaxWidth="calc(100% - 25em)" -- Template:GeoGroup has width: 23em<
-- local tableStyle="margin-left:0; margin-right:auto; clear:left !important; margin-top:0 !important; float:left; width:auto;"
local tableStyle="margin-left:0; margin-right:auto; clear:left !important; margin-top:0 !important; width:auto;"
-- Templates which are allowed to call this module
local callingTemplates = {
'Template:Canada by province category navigation',
}
-- globals for this module
local debugging = false
local debugmsg = ""
local tableRowNum = 0
local title_prefix = ""
local title_suffix = ""
local title_prefix
local title_suffix
local thisPageProvince
local greyLinkCount = 0
local blueLinkCount = 0
local parentname = ""
local templateName
local horizontal = require('Module:List').horizontal
local getArgs = require('Module:Arguments').getArgs
local yesno = require('Module:Yesno')
local ResolveCategoryRedirect = require('Module:Resolve category redirect').rtarget
local p = {}
--[[
Plain text list of provinces and territories
* Each entry exactly as it appears in running text in categoiry titles, with any prefix (e.g. "the")
* Be sure to avoid hidden characters and duplicate spaces. They break the pattern-matching on which this module relies
]]
local CanadaProvinces = {
'Alberta',
'British Columbia',
'Manitoba',
'New Brunswick',
'Newfoundland and Labrador',
'the Northwest Territories',
'Nova Scotia',
'Nunavut',
'Ontario',
'Prince Edward Island',
'Quebec',
'Saskatchewan',
'Yukon'
}
-- If the page title matches any of these Lua patterns, treat it as a false positive
local falsePositiveChecks = {
"Northern Alberta",
"Southern Alberta",
"Quebec City",
"Central Ontario",
"Eastern Ontario",
"Northern Ontario",
"Southwestern Ontario"
}
local function publishDebugLog()
if not debugging then
return ""
end
return "==Debugging ==\n\n" .. debugmsg .. "\n== Output ==\n"
end
-- debugLog builds a log which can be output if debuging is enabled
-- each log entry is given a level, so that the output is not simply a flat list
-- a debug msg may be appended to the previous msg by setting the level to nil
local function debugLog(level, msg)
if (debugmsg == nil) then
debugmsg = ""
end
if (level ~= nil) then
-- not appending, so make a new line
debugmsg = debugmsg .. "\n"
-- then add the level
local i
for i = 1, level do
if (i % 2) == 1 then
debugmsg = debugmsg .. "#"
else
debugmsg = debugmsg .. "*"
end
end
end
debugmsg = debugmsg .. " " .. msg
return true
end
local function makeTrackingCategory()
-- discount the current page, which will always be coded as a blue link, but rendered as bold un-navigable
blueLinkCount = blueLinkCount - 1
if greyLinkCount == 0 then
return "Category:" .. templateName .. " with no grey links"
end
if blueLinkCount == 0 then
return "Category:" .. templateName .. " with all grey links"
end
if greyLinkCount <= 5 then
return "Category:" .. templateName .. " with fewer than 5 grey links"
end
if greyLinkCount >= 10 then
return "Category:" .. templateName .. " with 10 or more grey links"
end
if greyLinkCount > 5 then
return "Category:" .. templateName .. " with over 5 grey links"
end
return ""
end
-- Make a piped link to a category, if it exists
-- If it doesn't exist, just display the greyed the link title without linking
local function makeCatLink(catname, disp)
local displaytext
if (disp ~= "") and (disp ~= nil) then
-- use 'disp' parameter, but strip any leading word "the"
displaytext = mw.ustring.gsub(disp, "^[tT]he%s+", "");
else
displaytext = catname
end
local fmtlink
local catPage = mw.title.new( catname, "Category" )
if (catPage.exists) then
fmtlink = "" .. displaytext .. ""
blueLinkCount = blueLinkCount + 1
else
fmtlink = '' .. displaytext .. ""
greyLinkCount = greyLinkCount + 1
end
return fmtlink
end
local function makeCatName(provinceName, prefix, suffix)
local thisCatName = prefix .. provinceName .. suffix
debugLog(5, "thisCatName = [" .. thisCatName .. "]")
--[[
Now check whether the all following conditions are true
1/ the provinceName begins with "the"
2/ the category does NOT exist if we use "the "
3/ the category does exist if we strip "the "
If those conditions are all true, them strip "the"
]]
if (mw.ustring.match(provinceName, "^[tT]he ") ~= nil) then
debugLog(6, "ProvinceName begins with 'the'")
local provinceNameStripped = mw.ustring.gsub(provinceName, "^[tT]he ", "", 1)
local thisCatNameStripped = prefix .. provinceNameStripped .. suffix
debugLog(6, "thisCatNameStripped = [" .. thisCatNameStripped .. "]")
local testCatPage = mw.title.new(thisCatName, "Category" )
local testCatPageStripped = mw.title.new(thisCatNameStripped, "Category" )
if not testCatPage.exists then
debugLog(7, "[" .. testCatPage.fullText .. "] .. does not exist")
if (testCatPageStripped.exists) then
debugLog(7, "[" .. testCatPageStripped.fullText .. "] .. DOES exist, so use that")
return thisCatNameStripped
end
end
end
return thisCatName
end
local function makeTableRow(rowLabel, provinceList)
debugLog(2, "makeTableRow, label: ")
if (rowLabel == nil) then
rowLabel = "By province
or territory"
debugLog(nil, rowLabel)
else
rowLabel = mw.text.trim(rowLabel)
debugLog(nil, " [" .. rowLabel .. "]")
end
tableRowNum = tableRowNum + 1
local thisRow
if (tableRowNum % 2) == 0 then
debugLog(3, "Even-numbered")
thisRow = '
else
debugLog(3, "Odd-numbered")
thisRow = '
end
if not ((rowLabel == nil) or (rowLabel =="")) then
thisRow = thisRow .. '
end
-- now begin making the row contents
debugLog(3, "Process provinceList")
local list_args = {}
for i, aProvince in ipairs(provinceList) do
debugLog(4, "No. " .. tostring(i) .. ": [" .. aProvince .. "]")
myCatName = ResolveCategoryRedirect(makeCatName(aProvince, title_prefix, title_suffix))
table.insert(list_args, makeCatLink(myCatName, aProvince))
end
return thisRow .. '
end
local function makeTable()
debugLog(1, "makeTable")
tableRowNum = 0
local myTable = '
return myTable
end
local function patternSearchEncode(s)
return mw.ustring.gsub(s, "([%W])", "%%%1")
end
-- Does the pagename include a province name?
local function findprovinceNameInPagename(pn, provinceList, description)
local i, aProvince, testProvince
debugLog(2, "checking [" .. pn .."] for a province name in province set: " .. description)
for i, aProvince in ipairs(provinceList) do
testProvince = aProvince
debugLog(3, "testing: [" .. testProvince .. "]")
local testProvinceEncoded = patternSearchEncode(testProvince)
-- For efficiency, the first test is a simple match as a a screening test
-- If the bare county name is nowhere in the pagename, then no need for
-- more precise checks
-- This check would be one line in regex, but Lua pattern matching is cruder,
--so we need several passes to ensure that any match is of a complete word
debugLog(4, "simple match? ")
if (not mw.ustring.match(pn, testProvinceEncoded)) then
debugLog(nil, "Fail")
else
debugLog(nil, "Success")
-- test for false positives
local j, aFalsePositiveTest
for j, aFalsePositiveTest in ipairs(falsePositiveChecks) do
debugLog(5, "false positive test pattern '" .. aFalsePositiveTest .. "' ? ")
if (mw.ustring.match(pn, aFalsePositiveTest)) then
debugLog(nil, "Match, so fail")
return nil
end
debugLog(nil, "No match, so OK")
end
debugLog(4, "match whole name? ")
if (pn == testProvince) then
debugLog(nil, "Yes")
return testProvince
end
debugLog(nil, "No")
debugLog(4, "match at start, followed by separator? ")
if mw.ustring.match(pn, "^" .. testProvinceEncoded .. "[^%w]") then
debugLog(nil, "Yes")
return testProvince
end
debugLog(nil, "No")
debugLog(4, "match at end, preceded by separator? ")
if mw.ustring.match(pn, "[^%w]" .. testProvinceEncoded .. "$") then
debugLog(nil, "Yes")
return testProvince
end
debugLog(nil, "No")
debugLog(4, "match anywhere, preceded and followed by separator? ")
if mw.ustring.match(pn, "[^%w]" .. testProvinceEncoded .. "[^%w]") then
debugLog(nil, "Yes")
return testProvince
end
debugLog(nil, "No")
end
-- Special case: if the province name we are testing begins with a prefixed "the"
debugLog(4, "does testProvince begin with 'the' ? ")
if (mw.ustring.match(testProvince, "^[tT]he ") == nil) then
debugLog(nil, "No")
else
debugLog(nil, "Yes")
end
if (mw.ustring.match(testProvince, "^[tT]he ") ~= nil) then
local testProvinceStripped = mw.ustring.gsub(testProvince, "^[tT]he ", "", 1)
local testProvinceStrippedEncoded = patternSearchEncode(testProvinceStripped)
debugLog(4, "test pattern without leading definite article, i.e. '" .. testProvinceStrippedEncoded .. "' ? ")
if (mw.ustring.match(pn, "[^%w]" .. testProvinceStrippedEncoded .. "[^%w]") ~= nil)
or (mw.ustring.match(pn, "^" .. testProvinceStrippedEncoded .. "[^%w]") ~= nil)
or (mw.ustring.match(pn, "[^%w]" .. testProvinceStrippedEncoded .. "$") ~= nil)
or (mw.ustring.match(pn, "^" .. testProvinceStrippedEncoded .. "$") ~= nil) then
debugLog(nil, "Yes")
return testProvinceStripped
end
debugLog(nil, "No")
end
end
return nil
end
-- parse the pagename to find 3 parts: prefix, province name, suffix
local function parsePagename(pn)
debugLog(1, "parsePagename: [" .. pn .. "]")
local validprovinceName
validprovinceName = findprovinceNameInPagename(pn, CanadaProvinces, "provincelst")
if validprovinceName == nil then
return false
end
-- if we get here, the page name "pn" includes a validprovinceName
-- so now we need to split the string
debugLog(2, "split pagename around [" .. validprovinceName .. "]")
local validProvinceEncoded = mw.ustring.gsub(validprovinceName, "([%W])", "%%%1")
match_prefix, match_province, match_suffix = mw.ustring.match(pn, "^(.*)(" .. validProvinceEncoded .. ")(.*)$")
title_prefix = match_prefix
title_suffix = match_suffix
debugLog(2, "parse successful")
debugLog(3, "title_prefix = [" .. title_prefix .. "]")
debugLog(3, "thisPageProvince = [" .. match_province .. "]")
debugLog(3, "title_suffix = [" .. title_suffix .. "]")
return true
end
local function getYesNoParam(args, thisParamName, defaultVal)
local paramVal = args[thisParamName]
if paramVal == nil then
paramVal = ""
end
debugLog(2, "Evaluate yes/no parameter: [" .. thisParamName .. "] = [" .. paramVal .. "]")
debugLog(3, "default = " .. ((defaultVal and "Yes") or "No"))
debugLog(3, "Evaluate as: ")
local returnValue
if paramVal == "" then
returnValue = defaultVal
else
returnValue = yesno(args[thisParamName], defaultVal)
end
if (returnValue) then
debugLog(nil, "Yes")
else
debugLog(nil, "No")
end
return returnValue
end
local function makeErrorMsg(s)
return '
' .. parentname .. ' Error: ' .. s .. '
\n'end
local function isValidParent(p)
for i, aParent in ipairs(callingTemplates) do
if p == aParent then
return true
end
end
return false
end
function p.main(frame)
local parent = frame:getParent()
if parent then
parentname = parent:getTitle():gsub('/sandbox$', '')
end
if (parentname == nil) or not isValidParent(parentname) then
local errormsg = '
Error: ' .. parentname .. ' is not a valid wrapper for ' .. frame:getTitle() .. '\n'
errormsg = errormsg .. '
Valid wrappers: '
local i, aParent
for i, aParent in ipairs(callingTemplates) do
errormsg = errormsg .. '' .. aParent .. ''
end
errormsg = errormsg .. '
'return errormsg
end
templateName = mw.ustring.gsub(parentname, "^Template:", "")
debugLog(1, "Check parameters")
debugging = getYesNoParam(frame.args, "debug", false)
-- get the page title
thispage = mw.title.getCurrentTitle()
thispagename = thispage.text;
debugLog(1, "mw.title.getCurrentTitle()")
debugLog(2, "thispage.text = [" .. thispage.text .."]")
debugLog(2, "thispage.namespace = [" .. thispage.namespace .."]")
debugLog(2, "thispage.nsText = [" .. thispage.nsText .."]")
debugLog(2, "is it a cat? using (thispage:inNamespace(14)): ")
if not (thispage:inNamespace(14)) then
debugLog(nil, "No, this is not a category")
debugLog(1, "Not a category, so no output")
return makeErrorMsg("only for use on a category page") .. publishDebugLog()
end
debugLog(nil, "Yes, this is a category")
if not parsePagename(thispagename) then
-- some error parsing the title, so don't proceed to output
local trackingCatInvalid = "Category:" .. templateName .. " on invalid category"
return makeErrorMsg('the name of this category does not include a valid Canadian province or territory') .. publishDebugLog() .. trackingCatInvalid
end
debugLog(1, "all parse done")
debugLog(2, "title_prefix = [" .. title_prefix .. "]")
debugLog(2, "title_suffix = [" .. title_suffix .. "]")
local myNavTable = makeTable()
debugLog(2, "blueLinkCount = [" .. blueLinkCount .. "]. (NB The current page is always counted as a bluelink, but will not be navigable)")
debugLog(2, "greyLinkCount = [" .. greyLinkCount .. "]")
if (blueLinkCount <= 1) then
-- This is a navbar to nowhere, so suppress display
myNavTable = ""
debugLog(1, "Zero bluelinks (other than the current page) makes this a navbox to nowhere, so do not display the navbox")
end
local myTrackingCat = makeTrackingCategory()
return publishDebugLog() .. myNavTable .. myTrackingCat
end
return p