require('strict');
--[=[------------------------< I S O _ S Y N O N Y M _ E X T R A C T >----------------------------------------- {{#invoke:ISO 639 name/ISO 639-2/make|ISO_synonym_extract|file-date=2013-01-11}} reads a local copy of data from the table at http://www.loc.gov/standards/iso639-2/php/English_list.php, extracts the ISO 639-2 (or 639-2T) codes that have equivalent ISO 639-1 codes and creates a table to translate 639-2 to 639-1. ISO-639-3 uses 639-2T codes useful lines in the source table have the form: <English name>\t<all English names>\t<all French names>\t<639-2 code>\t<639-1 code>\n where: <English name> is primary English name (not used here); one of <all English names> so duplicates code listing <all English names> is all of the English names (not used here) <all French names> is all of the French names (not used here) <639-2 code> is the three-character ISO 639-2 or 639-2B/639-2T language code; when 639-2T present, use that code <639-1 code> is the two-character ISO 639-1 language code synonym of the -2 code (if one is defined) like this (with synonym): Abkhazian Abkhazian abkhaze abk ab or (without synonym): Achinese Achinese aceh ace for the file date use the date listed at the bottom of the source page in yyyymmdd numeric format without hyphens or spaces ]=]
local function ISO_synonym_extract (frame) local page = mw.title.getCurrentTitle; -- get a page object for this page local content = page:getContent; -- get unparsed content local content_table = ; -- table of text lines from source local split_table = ; -- table of lines split at the tabs local skip_table = ; -- table of 636-2/639-2T codes that have been handled; used to prevent duplication local out_table = ; -- output table local file_date = 'File-Date: ' .. frame.args["file-date"]; -- set the file date line from |file-date= (from the bottom of the source page)
content_table = mw.text.split (content, '[\r\n]'); -- make a table of text lines for _, line in ipairs (content_table) do -- for each line split_table = mw.text.split (line, '\t'); -- split at the table if split_table[5] and (' ' ~= split_table[5]) then -- if there is a 639-1 code local code = split_table[4]:match ('%a+/(%a+)') or split_table[4]; -- when 639-2B/639-2T use 639-2T else use 639-2 if not skip_table[code] then -- skip if code already in the skip table because more than one language name skip_table[code] = true; -- remember that we've handled this 636-2/639-2T code table.insert (out_table, "[\"" .. code .. "\"] = \"" .. split_table[5] .. "\""); -- make new table entry end end end table.sort (out_table); return "
-- " .. file_date .. "<br />return {<br />	" .. table.concat (out_table, ',<br />	') .. "<br />	}<br />" .. "";end--ISO_2_name_extract|file-date=2013-01-11}}
reads a local copy of data from the table at http://www.loc.gov/standards/iso639-2/php/English_list.php, extractsthe ISO 639-2 and 639-2T codes and their associated language names
useful lines in the source table have the form:
for the file date use the date listed at the bottom of the source page in yyyymmdd numeric format without hyphens or spaces
local function ISO_2_name_extract (frame) local page = mw.title.getCurrentTitle; -- get a page object for this page local content = page:getContent; -- get unparsed content local content_table = ; -- table of text lines from source local split_table = ; -- table of lines split at the tabs local skip_table = ; -- table of 636-2/639-2T codes that have been handled; used to prevent duplication; qaa-qtz reserved for local use so not supported here local name_table = ; -- holds language names for processing local code_table = ; -- because some languages have both -2B and -2T codes local out_table_T = ; -- output table for 639-2T codes local out_table_B = ; -- output table for 639-2B codes local out_table; -- used as a pointer to the selected out_table_B or out_table_T local file_date = 'File-Date: ' .. frame.args["file-date"]; -- set the file date line from |file-date= (from the bottom of the source page)
content_table = mw.text.split (content, '[\r\n]'); -- make a table of text lines for _, line in ipairs (content_table) do -- for each line split_table = mw.text.split (line, '\t'); -- split at the tab
if split_table[4] then -- if a code then continue processing; skip this line else name_table = mw.text.split (split_table[2], ' *; *'); -- split 'all English names' at the '; ' into a table of individual names for i, v in ipairs (name_table) do name_table [i] = mw.ustring.gsub (v, '(.+)', '"%1"'); -- add double quotes around each name end code_table = mw.text.split (split_table[4], ' */ *'); -- split 'ISO 639-2' code at the '/' into a table of -2B and -2T individual codes for i, code in ipairs (code_table) do -- now built a table entry for the code(s) and its(their) associated language(s) if not skip_table[code] then -- source data has duplicates so check to see if we have already done this code out_table = (2
i) and out_table_B or out_table_T; -- does this language name have both -2B and -2T codes? table.insert (out_table, table.concat ) skip_table[code] = true; -- remember that we've done this code end end end end table.sort (out_table_T); table.sort (out_table_B); -- return "
-- " .. file_date .. "<br />return {<br />	" .. table.concat (out_table_T, ',<br />	') .. "<br />	}<br />" .. ""; return table.concat ;end----------------------------< E X P O R T E D F U N C T I O N S >------------------------------------------
return ;