Vector: Created page with "-- This module follows User:Ganaram inukshuk/Provisional style guide for Lua local p = {} -- TODO: move tip functions here? See Module:Template input parse -- TODO: -- Add param name normalization: params close enough to snake_case are normal- -- ized to snake_case -- Library module for common operations with handling template input. -- - Numbered to table extract args and places them into a table. -- Extracts numbered args (from frame.args) and st..."

2025-12-16T05:03:36Z

Created page with "-- This module follows User:Ganaram inukshuk/Provisional style guide for Lua local p = {} -- TODO: move tip functions here? See Module:Template input parse -- TODO: -- Add param name normalization: params close enough to snake_case are normal- -- ized to snake_case -- Library module for common operations with handling template input. -- - Numbered <anything> to table extract args and places them into a table. -- Extracts numbered args (from frame.args) and st..."

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-- This module follows [[User:Ganaram inukshuk/Provisional style guide for Lua]]
local p = {}

-- TODO: move tip functions here? See [[Module:Template input parse]]

-- TODO:
-- Add param name normalization: params close enough to snake_case are normal-
-- ized to snake_case

-- Library module for common operations with handling template input.
-- - Numbered <anything> to table extract args and places them into a table.

-- Extracts numbered args (from frame.args) and stores them into one table.
-- Removes original numbered args from args table. Sequence of numbered args
-- may have gaps.
-- Table of entries is returned without being inserted into the original args
-- table, as it may require further processing (EG, parsing to number, ratio,
-- kv-pairs, etc).
function p.numbered_args_to_table(args, max_num, key_fmt, keep_originals)
local max_num = max_num or 100
local key_fmt = key_fmt or "Entry %d"
local keep_originals = keep_originals or false -- Denotes whether to keep originals in table or remove them; default false

local entries = {}
for i = 1, max_num do
local key = string.format(key_fmt, i) -- Make key
local entry = args[key] -- Extract
table.insert(entries, entry) -- Insert
if not keep_originals then
args[key] = nil -- Remove original
end
end

return entries
end

-- Extracts numbered args that correspond to header-data pairs of a two-col
-- table, commonly seen in navboxes and infoboxes. Removes original numbered
-- args from args table. Sequence of numbered args may have gaps, and a pair may
-- have one element be missing/nil (headerless data and dataless header).
-- Table of entries is returned without being inserted into the original args
-- table, as it may require further processing (EG, parsing to number, ratio,
-- kv-pairs, etc).
function p.numbered_header_data_args_to_table(args, max_num, keep_originals, is_strict_pair, header_fmt, data_fmt)
local max_num = max_num or 100
local header_fmt = header_fmt or "Header %d"
local data_fmt = data_fmt or "Data %d"
local is_strict_pair = is_strict_pair or false -- Denotes whether a pair must have both header and data
local keep_originals = keep_originals or false -- Denotes whether to keep originals in table or remove them; default false

local entries = {}
for i = 1, max_num do
-- Make keys
local header_key = string.format(header_fmt, i)
local data_key = string.format(data_fmt, i)

-- Extract header and data
local header = args[header_key]
local data = args[data_key]
local entry = { ["Header"] = args[header_key], ["Data"] = args[data_key] }

-- Insert
if is_strict_pair then
if (header and data) then table.insert(entries, entry) end
else
if (header or data) then table.insert(entries, entry) end
end

-- Remove originals
if not keep_originals then
args[header_key] = nil
args[data_key] = nil
end
end

return entries
end

-- Some older infoboxes use a jagged array instead of an assoc-array, so convert
-- two-element tables into a header-data pair, and one-element tables into
-- either a headerless data row, or a dataless header row.
-- Default is to interpret size-1 arrays as data rows, which corresponds to how
-- the infobox worked before it became template-ified. This old input method may
-- be easier to work with.
function p.jagged_array_to_header_data_pairs(rows, is_header_row)
local is_header_row = is_header_row or false
local new_rows = {}
for i = 1, #rows do
local row = rows[i]
if #row == 2 then
table.insert(new_rows, { ["Header"] = row[1], ["Data"] = row[2] })
elseif #row == 1 and not is_header_row then
table.insert(new_rows, { ["Data" ] = row[1] })
elseif #row == 1 and is_header_row then
table.insert(new_rows, { ["Header"] = row[1] })
end
end
return new_rows
end

function p.tester()
local test_args = {
["Entry 1"] = "aaa",
["Entry 2"] = "bbb",
["Entry 3"] = "ccc",
["Header 2"] = "BBB",
["Entry 5"] = "ddd",
}

--test_args["Entries"] = p.numbered_args_to_table(test_args, "Entry %d", 10)
test_args["Entries"] = p.numbered_header_data_args_to_table(test_args, 10, "Header %d", "Entry %d")
return test_args
end

return p

Module:Template input utils - Revision history