Module:Language/data/ISO 639 name to code/make
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{{#invoke:Language/data/ISO 639 name to code/make|iso_639_name_to_code}}
Results are at Module talk:Language/data/ISO 639 name to code/make
require('Module:No globals'); local temp = {}; --[[--------------------------< A D D _ L A N G >-------------------------------------------------------------- temp table is a table of tables where the key is the language name and the value is a table listing the ISO 639 codes associated with that language name. This function adds language name (as index) and its code (as a table element) using an appropriate index number. <lang> is the language name from the source data <code> is the associated ISO 639 code from the source data <part> is 1 for ISO 639-1 language names and codes, 2, 2B, 3, 5. <part> for the override data is prefixed with 'O' ]] local function lang_add (lang, code, part) part = ({ -- convert string <part> to a numeric index ['1']=1, ['2']=2, ['2B']=3, ['3']=4, ['5']=5, -- for the base ISO 639 parts ['O1']=6, ['O2']=7, ['O2B']=8, ['O3']=9, ['O5']=10, -- for the override tables ['D1']=11, ['D2']=12, ['D2B']=13, ['D3']=14, ['D5']=15, -- for the deprecated tables })[part]; lang = mw.ustring.lower (lang); -- convert to lowercase for use as table index if not temp[lang] then -- when no entry for this language temp[lang] = {}; -- make a blank entry end table.insert(temp[lang], string.format('[%s]=\"%s\"', part, code)) -- add the code; codes are added in the order that this function is called in iso_639_name_to_code() end -- TODO: better name local function iterate_table(part_data, part_number) for code, v in pairs (part_data) do for _, lang in ipairs (v) do -- code can have multiple names so for each one lang_add (lang, code, part_number); -- create and / or add this name / code pair to the output end end end --[[--------------------------< I S O 6 3 9 _ N A M E _ T O _ C O D E >---------------------------------------- read code-to-name source tables and convert to a name-to-code table. ]] local function iso_639_name_to_code () local out = {}; local part_data = mw.loadData ('Module:Language/data/ISO 639-3'); -- ISO 639-3 language codes / names iterate_table(part_data, '3') -- start with part 3 because it has the most codes part_data = mw.loadData ('Module:Language/data/ISO 639-5'); -- ISO 639-5 language codes / names iterate_table(part_data, '5') part_data = mw.loadData ('Module:Language/data/ISO 639-2'); -- ISO 639-2 language codes / names iterate_table(part_data, '2') part_data = mw.loadData ('Module:Language/data/ISO 639-2B'); -- ISO 639-2B language codes / names iterate_table(part_data, '2B') part_data = mw.loadData ('Module:Language/data/ISO 639-1'); -- ISO 639-1 language codes / names iterate_table(part_data, '1') part_data = mw.loadData ('Module:Language/data/ISO 639 override'); -- has override data for all parts for _, o_part in ipairs ({'1', '2', '2B', '3', '5'}) do -- for each of the override tables local o_part_data = part_data['override_' .. o_part]; -- point to override data o_part = 'O' .. o_part; -- prefix o_part iterate_table(o_part_data, o_part) -- for each code in the data table and for each language name associated with that code end part_data = mw.loadData ('Module:Language/data/ISO 639 deprecated'); -- has deprecated data for all parts for _, d_part in ipairs ({'1', '2', '2B', '3', '5'}) do -- for each of the deprecated tables local d_part_data = part_data['deprecated_' .. d_part]; -- point to deprecated data d_part = 'D' .. d_part; -- prefix d_part iterate_table(d_part_data, d_part) -- for each code in the data table and for each language name associated with that code end local function comp (a, b) return tonumber (a:match ('(%d+)')) < tonumber (b:match ('(%d+)')); end for lang, codes in pairs (temp) do table.sort (codes, comp); -- codes are added in the order that lang_add() is called above; sort to make pretty table.insert (out, table.concat ({'["', lang, '"] = {', table.concat (codes, ', '), '}'})); -- reformat end table.sort (out); -- sort in language name order local key_str = table.concat ({ '--[[--------------------------< I S O _ 6 3 9 _ N A M E _ T O _ C O D E >--------------------------------------<br /><br />', 'Key:<br />	', '[1]=ISO 639-1		[6]=ISO 639-1 override		[11]=ISO 639-1 deprecated<br />	', '[2]=ISO 639-2		[7]=ISO 639-2 override		[12]=ISO 639-2 deprecated<br />	', '[3]=ISO 639-2B		[8]=ISO 639-2B override		[13]=ISO 639-2B deprecated<br />	', '[4]=ISO 639-3		[9]=ISO 639-3 override		[14]=ISO 639-3 deprecated<br />	', '[5]=ISO 639-5		[10]=ISO 639-5 override		[15]=ISO 639-5 deprecated', '<br />]]<br /><br />' }) return table.concat ({'<pre>', key_str, 'return {<br />	', table.concat (out, ',<br />	'), '<br />	}<br /></pre>'}); -- render end --[[--------------------------< E X P O R T E D _ F U N C T I O N S >------------------------------------------ ]] return {iso_639_name_to_code = iso_639_name_to_code}