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Module:Labelled list hatnote (view source)
Revision as of 11:56, 5 September 2017
, 11:56, 5 September 20171 revision imported
--------------------------------------------------------------------------------
-- Labelled list --
-- --
-- This module does the core work of creating a hatnote composed of a list --
-- prefixed by a colon-terminated label, i.e. "LABEL: [andList of pages]", --
-- for {{see also}} and similar templates. --
--------------------------------------------------------------------------------
local mHatnote = require('Module:Hatnote')
local mHatlist = require('Module:Hatnote list')
local mArguments --initialize lazily
local p = {}
-- Defaults global to this module
local defaults = {
label = 'See also', --Final fallback for label argument
labelForm = '%s: %s',
prefixes = {'label', 'label ', 'l'},
template = 'Module:Labelled list hatnote'
}
-- Helper function that pre-combines display parameters into page arguments.
-- Also compresses sparse arrays, as a desirable side-effect.
function p.preprocessDisplays (args, prefixes)
-- Prefixes specify which parameters, in order, to check for display options
-- They each have numbers auto-appended, e.g. 'label1', 'label 1', & 'l1'
prefixes = prefixes or defaults.prefixes
local pages = {}
for k, v in pairs(args) do
if type(k) == 'number' then
local display
for i = 1, #prefixes do
display = args[prefixes[i] .. k]
if display then break end
end
local page = display and
string.format('%s|%s', string.gsub(v, '|.*$', ''), display) or v
pages[#pages + 1] = page
end
end
return pages
end
-- Produces a labelled pages-list hatnote.
-- The main frame (template definition) takes 1 or 2 arguments, for a singular
-- and (optionally) plural label respectively:
-- * {{#invoke:Labelled list hatnote|labelledList|Singular label|Plural label}}
-- The resulting template takes pagename & label parameters normally.
function p.labelledList (frame)
mArguments = require('Module:Arguments')
local labels = {frame.args[1] or defaults.label}
labels[2] = frame.args[2] or labels[1]
local template = frame:getParent():getTitle()
local args = mArguments.getArgs(frame, {parentOnly = true})
local pages = p.preprocessDisplays(args)
local options = {
extraclasses = frame.args.extraclasses,
category = args.category,
selfref = frame.args.selfref or args.selfref,
template = template
}
return p._labelledList(pages, labels, options)
end
function p._labelledList (pages, labels, options)
labels = labels or {}
if #pages == 0 then
return mHatnote.makeWikitextError(
'no page names specified',
(options.template or defaults.template) .. '#Errors',
options.category
)
end
label = (#pages == 1 and labels[1] or labels[2]) or defaults.label
local text = string.format(
options.labelForm or defaults.labelForm,
label,
mHatlist.andList(pages, true)
)
local hnOptions = {
extraclasses = options.extraclasses,
selfref = options.selfref
}
return mHatnote._hatnote(text, hnOptions)
end
return p
-- Labelled list --
-- --
-- This module does the core work of creating a hatnote composed of a list --
-- prefixed by a colon-terminated label, i.e. "LABEL: [andList of pages]", --
-- for {{see also}} and similar templates. --
--------------------------------------------------------------------------------
local mHatnote = require('Module:Hatnote')
local mHatlist = require('Module:Hatnote list')
local mArguments --initialize lazily
local p = {}
-- Defaults global to this module
local defaults = {
label = 'See also', --Final fallback for label argument
labelForm = '%s: %s',
prefixes = {'label', 'label ', 'l'},
template = 'Module:Labelled list hatnote'
}
-- Helper function that pre-combines display parameters into page arguments.
-- Also compresses sparse arrays, as a desirable side-effect.
function p.preprocessDisplays (args, prefixes)
-- Prefixes specify which parameters, in order, to check for display options
-- They each have numbers auto-appended, e.g. 'label1', 'label 1', & 'l1'
prefixes = prefixes or defaults.prefixes
local pages = {}
for k, v in pairs(args) do
if type(k) == 'number' then
local display
for i = 1, #prefixes do
display = args[prefixes[i] .. k]
if display then break end
end
local page = display and
string.format('%s|%s', string.gsub(v, '|.*$', ''), display) or v
pages[#pages + 1] = page
end
end
return pages
end
-- Produces a labelled pages-list hatnote.
-- The main frame (template definition) takes 1 or 2 arguments, for a singular
-- and (optionally) plural label respectively:
-- * {{#invoke:Labelled list hatnote|labelledList|Singular label|Plural label}}
-- The resulting template takes pagename & label parameters normally.
function p.labelledList (frame)
mArguments = require('Module:Arguments')
local labels = {frame.args[1] or defaults.label}
labels[2] = frame.args[2] or labels[1]
local template = frame:getParent():getTitle()
local args = mArguments.getArgs(frame, {parentOnly = true})
local pages = p.preprocessDisplays(args)
local options = {
extraclasses = frame.args.extraclasses,
category = args.category,
selfref = frame.args.selfref or args.selfref,
template = template
}
return p._labelledList(pages, labels, options)
end
function p._labelledList (pages, labels, options)
labels = labels or {}
if #pages == 0 then
return mHatnote.makeWikitextError(
'no page names specified',
(options.template or defaults.template) .. '#Errors',
options.category
)
end
label = (#pages == 1 and labels[1] or labels[2]) or defaults.label
local text = string.format(
options.labelForm or defaults.labelForm,
label,
mHatlist.andList(pages, true)
)
local hnOptions = {
extraclasses = options.extraclasses,
selfref = options.selfref
}
return mHatnote._hatnote(text, hnOptions)
end
return p