Difference between revisions of "Module:Hatnote list"
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imported>Nihiltres (Updated with "formatted" option for andList and orList from sandbox) |
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-- Set the separator; if any item contains it, use the alternate separator | -- Set the separator; if any item contains it, use the alternate separator | ||
local separator = options.separator | local separator = options.separator | ||
+ | --searches display text only | ||
+ | function searchDisp(t, f) | ||
+ | return string.find(string.sub(t, (string.find(t, '|') or 0) + 1), f) | ||
+ | end | ||
for k, v in pairs(list) do | for k, v in pairs(list) do | ||
− | if | + | if searchDisp(v, separator) then |
separator = options.altSeparator | separator = options.altSeparator | ||
break | break | ||
Line 53: | Line 57: | ||
-- Set the conjunction, apply Oxford comma, and force a comma if #1 has "§" | -- Set the conjunction, apply Oxford comma, and force a comma if #1 has "§" | ||
local conjunction = s .. options.conjunction .. s | local conjunction = s .. options.conjunction .. s | ||
− | if #list == 2 and | + | if #list == 2 and searchDisp(list[1], "§") or #list > 2 then |
conjunction = separator .. conjunction | conjunction = separator .. conjunction | ||
end | end | ||
Line 60: | Line 64: | ||
end | end | ||
− | -- | + | --DRY function |
− | function | + | function conjList (conj, list, fmt) |
− | return stringifyList(list, {conjunction = | + | return stringifyList(list, {conjunction = conj, formatted = fmt}) |
end | end | ||
− | -- Stringifies | + | -- Stringifies lists with "and" or "or" |
− | function p. | + | function p.andList (...) return conjList("and", ...) end |
− | + | function p.orList (...) return conjList("or", ...) end | |
− | end | ||
-------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- | ||
Line 79: | Line 82: | ||
--default options table used across the forSee family of functions | --default options table used across the forSee family of functions | ||
local forSeeDefaultOptions = { | local forSeeDefaultOptions = { | ||
+ | andKeyword = 'and', | ||
title = mw.title.getCurrentTitle().text, | title = mw.title.getCurrentTitle().text, | ||
otherText = 'other uses', | otherText = 'other uses', | ||
− | + | forSeeForm = 'For %s, see %s.', | |
− | + | } | |
+ | |||
+ | --Collapses duplicate punctuation | ||
+ | function punctuationCollapse (text) | ||
+ | local replacements = { | ||
["%.%.$"] = ".", | ["%.%.$"] = ".", | ||
["%?%.$"] = "?", | ["%?%.$"] = "?", | ||
Line 90: | Line 98: | ||
["%!%]%]%.$"] = "!]]" | ["%!%]%]%.$"] = "!]]" | ||
} | } | ||
− | + | for k, v in pairs(replacements) do text = string.gsub(text, k, v) end | |
+ | return text | ||
+ | end | ||
-- Structures arguments into a table for stringification, & options | -- Structures arguments into a table for stringification, & options | ||
Line 108: | Line 118: | ||
if type(k) == 'number' and k > maxArg then maxArg = k end | if type(k) == 'number' and k > maxArg then maxArg = k end | ||
end | end | ||
− | -- Structure the data out from the parameter list | + | -- Structure the data out from the parameter list: |
− | -- forTable is the wrapper table, with forRow rows | + | -- * forTable is the wrapper table, with forRow rows |
− | -- Rows are tables of a "use" string | + | -- * Rows are tables of a "use" string & a "pages" table of pagename strings |
+ | -- * Blanks are left empty for defaulting elsewhere, but can terminate list | ||
local forTable = {} | local forTable = {} | ||
local i = from | local i = from | ||
local terminated = false | local terminated = false | ||
− | -- | + | -- If there is extra text, and no arguments are given, give nil value |
+ | -- to not produce default of "For other uses, see foo (disambiguation)" | ||
+ | if options.extratext and i > maxArg then return nil end | ||
+ | -- Loop to generate rows | ||
repeat | repeat | ||
-- New empty row | -- New empty row | ||
local forRow = {} | local forRow = {} | ||
− | -- | + | -- On blank use, assume list's ended & break at end of this loop |
− | |||
forRow.use = args[i] | forRow.use = args[i] | ||
if not args[i] then terminated = true end | if not args[i] then terminated = true end | ||
-- New empty list of pages | -- New empty list of pages | ||
forRow.pages = {} | forRow.pages = {} | ||
− | -- | + | -- Insert first pages item if present |
table.insert(forRow.pages, args[i + 1]) | table.insert(forRow.pages, args[i + 1]) | ||
− | -- If the | + | -- If the param after next is "and", do inner loop to collect params |
− | -- | + | -- until the "and"'s stop. Blanks are ignored: "1|and||and|3" → {1, 3} |
− | + | while args[i + 2] == options.andKeyword do | |
− | while args[i + 2] == | ||
if args[i + 3] then | if args[i + 3] then | ||
table.insert(forRow.pages, args[i + 3]) | table.insert(forRow.pages, args[i + 3]) | ||
end | end | ||
− | -- Increment to | + | -- Increment to next "and" |
i = i + 2 | i = i + 2 | ||
end | end | ||
− | -- Increment to | + | -- Increment to next use |
i = i + 2 | i = i + 2 | ||
− | -- | + | -- Append the row |
table.insert(forTable, forRow) | table.insert(forTable, forRow) | ||
until terminated or i > maxArg | until terminated or i > maxArg | ||
Line 145: | Line 157: | ||
end | end | ||
− | -- | + | -- Stringifies a table as formatted by forSeeArgsToTable |
function p.forSeeTableToString (forSeeTable, options) | function p.forSeeTableToString (forSeeTable, options) | ||
-- Type-checks and defaults | -- Type-checks and defaults | ||
− | checkType("forSeeTableToString", 1, forSeeTable, "table") | + | checkType("forSeeTableToString", 1, forSeeTable, "table", true) |
checkType("forSeeTableToString", 2, options, "table", true) | checkType("forSeeTableToString", 2, options, "table", true) | ||
options = options or {} | options = options or {} | ||
Line 154: | Line 166: | ||
if options[k] == nil then options[k] = v end | if options[k] == nil then options[k] = v end | ||
end | end | ||
− | -- | + | -- Stringify each for-see item into a list |
local strList = {} | local strList = {} | ||
− | for k, v in pairs(forSeeTable) do | + | if forSeeTable then |
− | + | for k, v in pairs(forSeeTable) do | |
− | + | local useStr = v.use or options.otherText | |
− | + | local pagesStr = p.andList(v.pages, true) or mHatnote._formatLink(mHatnote.disambiguate(options.title)) | |
− | + | local forSeeStr = string.format(options.forSeeForm, useStr, pagesStr) | |
− | + | forSeeStr = punctuationCollapse(forSeeStr) | |
− | + | table.insert(strList, forSeeStr) | |
end | end | ||
− | |||
end | end | ||
+ | if options.extratext then table.insert(strList, punctuationCollapse(options.extratext..'.')) end | ||
-- Return the concatenated list | -- Return the concatenated list | ||
return table.concat(strList, ' ') | return table.concat(strList, ' ') | ||
Line 171: | Line 183: | ||
-- Produces a "For X, see [[Y]]" string from arguments. Expects index gaps | -- Produces a "For X, see [[Y]]" string from arguments. Expects index gaps | ||
− | -- but not blank | + | -- but not blank/whitespace values. Ignores named args and args < "from". |
− | |||
function p._forSee (args, from, options) | function p._forSee (args, from, options) | ||
local forSeeTable = p.forSeeArgsToTable(args, from, options) | local forSeeTable = p.forSeeArgsToTable(args, from, options) | ||
Line 178: | Line 189: | ||
end | end | ||
− | -- | + | -- As _forSee, but uses the frame. |
function p.forSee (frame, from, options) | function p.forSee (frame, from, options) | ||
mArguments = require('Module:Arguments') | mArguments = require('Module:Arguments') |
Latest revision as of 17:37, 9 March 2020
Documentation for this module may be created at Module:Hatnote list/doc
-------------------------------------------------------------------------------- -- Module:Hatnote list -- -- -- -- This module produces and formats lists for use in hatnotes. In particular, -- -- it implements the for-see list, i.e. lists of "For X, see Y" statements, -- -- as used in {{about}}, {{redirect}}, and their variants. Also introduced -- -- are andList & orList helpers for formatting lists with those conjunctions. -- -------------------------------------------------------------------------------- local mArguments --initialize lazily local mHatnote = require('Module:Hatnote') local libraryUtil = require('libraryUtil') local checkType = libraryUtil.checkType local p = {} -------------------------------------------------------------------------------- -- List stringification helper functions -- -- These functions are used for stringifying lists, usually page lists inside -- the "Y" portion of "For X, see Y" for-see items. -------------------------------------------------------------------------------- --default options table used across the list stringification functions local stringifyListDefaultOptions = { conjunction = "and", separator = ",", altSeparator = ";", space = " ", formatted = false } -- Stringifies a list generically; probably shouldn't be used directly function stringifyList(list, options) -- Type-checks, defaults, and a shortcut checkType("stringifyList", 1, list, "table") if #list == 0 then return nil end checkType("stringifyList", 2, options, "table", true) options = options or {} for k, v in pairs(stringifyListDefaultOptions) do if options[k] == nil then options[k] = v end end local s = options.space -- Format the list if requested if options.formatted then list = mHatnote.formatPages(unpack(list)) end -- Set the separator; if any item contains it, use the alternate separator local separator = options.separator --searches display text only function searchDisp(t, f) return string.find(string.sub(t, (string.find(t, '|') or 0) + 1), f) end for k, v in pairs(list) do if searchDisp(v, separator) then separator = options.altSeparator break end end -- Set the conjunction, apply Oxford comma, and force a comma if #1 has "§" local conjunction = s .. options.conjunction .. s if #list == 2 and searchDisp(list[1], "§") or #list > 2 then conjunction = separator .. conjunction end -- Return the formatted string return mw.text.listToText(list, separator .. s, conjunction) end --DRY function function conjList (conj, list, fmt) return stringifyList(list, {conjunction = conj, formatted = fmt}) end -- Stringifies lists with "and" or "or" function p.andList (...) return conjList("and", ...) end function p.orList (...) return conjList("or", ...) end -------------------------------------------------------------------------------- -- For see -- -- Makes a "For X, see [[Y]]." list from raw parameters. Intended for the -- {{about}} and {{redirect}} templates and their variants. -------------------------------------------------------------------------------- --default options table used across the forSee family of functions local forSeeDefaultOptions = { andKeyword = 'and', title = mw.title.getCurrentTitle().text, otherText = 'other uses', forSeeForm = 'For %s, see %s.', } --Collapses duplicate punctuation function punctuationCollapse (text) local replacements = { ["%.%.$"] = ".", ["%?%.$"] = "?", ["%!%.$"] = "!", ["%.%]%]%.$"] = ".]]", ["%?%]%]%.$"] = "?]]", ["%!%]%]%.$"] = "!]]" } for k, v in pairs(replacements) do text = string.gsub(text, k, v) end return text end -- Structures arguments into a table for stringification, & options function p.forSeeArgsToTable (args, from, options) -- Type-checks and defaults checkType("forSeeArgsToTable", 1, args, 'table') checkType("forSeeArgsToTable", 2, from, 'number', true) from = from or 1 checkType("forSeeArgsToTable", 3, options, 'table', true) options = options or {} for k, v in pairs(forSeeDefaultOptions) do if options[k] == nil then options[k] = v end end -- maxArg's gotten manually because getArgs() and table.maxn aren't friends local maxArg = 0 for k, v in pairs(args) do if type(k) == 'number' and k > maxArg then maxArg = k end end -- Structure the data out from the parameter list: -- * forTable is the wrapper table, with forRow rows -- * Rows are tables of a "use" string & a "pages" table of pagename strings -- * Blanks are left empty for defaulting elsewhere, but can terminate list local forTable = {} local i = from local terminated = false -- If there is extra text, and no arguments are given, give nil value -- to not produce default of "For other uses, see foo (disambiguation)" if options.extratext and i > maxArg then return nil end -- Loop to generate rows repeat -- New empty row local forRow = {} -- On blank use, assume list's ended & break at end of this loop forRow.use = args[i] if not args[i] then terminated = true end -- New empty list of pages forRow.pages = {} -- Insert first pages item if present table.insert(forRow.pages, args[i + 1]) -- If the param after next is "and", do inner loop to collect params -- until the "and"'s stop. Blanks are ignored: "1|and||and|3" → {1, 3} while args[i + 2] == options.andKeyword do if args[i + 3] then table.insert(forRow.pages, args[i + 3]) end -- Increment to next "and" i = i + 2 end -- Increment to next use i = i + 2 -- Append the row table.insert(forTable, forRow) until terminated or i > maxArg return forTable end -- Stringifies a table as formatted by forSeeArgsToTable function p.forSeeTableToString (forSeeTable, options) -- Type-checks and defaults checkType("forSeeTableToString", 1, forSeeTable, "table", true) checkType("forSeeTableToString", 2, options, "table", true) options = options or {} for k, v in pairs(forSeeDefaultOptions) do if options[k] == nil then options[k] = v end end -- Stringify each for-see item into a list local strList = {} if forSeeTable then for k, v in pairs(forSeeTable) do local useStr = v.use or options.otherText local pagesStr = p.andList(v.pages, true) or mHatnote._formatLink(mHatnote.disambiguate(options.title)) local forSeeStr = string.format(options.forSeeForm, useStr, pagesStr) forSeeStr = punctuationCollapse(forSeeStr) table.insert(strList, forSeeStr) end end if options.extratext then table.insert(strList, punctuationCollapse(options.extratext..'.')) end -- Return the concatenated list return table.concat(strList, ' ') end -- Produces a "For X, see [[Y]]" string from arguments. Expects index gaps -- but not blank/whitespace values. Ignores named args and args < "from". function p._forSee (args, from, options) local forSeeTable = p.forSeeArgsToTable(args, from, options) return p.forSeeTableToString(forSeeTable, options) end -- As _forSee, but uses the frame. function p.forSee (frame, from, options) mArguments = require('Module:Arguments') return p._forSee(mArguments.getArgs(frame), from, options) end return p