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require('
--[=[------------------------< G E T _ V A R I A N T _ P A R T S >---------------------------------------------
We get a record that looks more-or-less like this:
%%\n
Type: variant\n
Subtag: bohoric\n
Description: Slovene in Bohorič alphabet\n
Added: 2012-06-27\n
Prefix: sl\n
Each line is terminated with a \n character.
Type, for this function can only be 'variant'
Subtag is the code of Type
Prefix is a language code to which this variant applies; one language code per Prefix line. There can be
more than one prefix line.
Description associates Subtag with a proper name or names; one name per Description line. There can be more
than one Description line and Description lines can wrap to the next line. When they do, the first two
characters of the continuation line are spaces.
Comments: lines can also be continued so once in a Comments line (which is otherwise ignored) all further
continuations in the record are also ignored. This is a crude mechanism to prevent comment continuations
from being concatenated onto the end of descriptions and relies on Description line occuring in the record
before the Comments line.
Records with private use subtags are ignored.
]=]
local function get_variant_parts (record)
local code;
local descriptions = {};
local prefixes = {};
local in_comments = false;
if string.find (record, 'Deprecated', 1, true) or string.find (record, 'Preferred-Value', 1, true)
or string.find (record, 'Private use', 1, true) then
return 'skip';
end
for line in string.gmatch (record, '([^\n]+)\n') do -- get a \n terminated line of text (without the \n)
local label = string.match(line, "(.-):")
if not label and string.find (line, '^ .+') and not in_comments then -- if a continuation line but not a comments continuation
descriptions[#descriptions] = string.gsub (descriptions[#descriptions], '\"$', ''); -- remove trailing quote mark from previous description
descriptions[#descriptions] = descriptions[#descriptions] .. ' ' .. string.match (line, '^ (.+)') .. '\"'; -- extract and save the continuation with new quote mark
elseif label == 'Subtag' then -- if this line is the subtag line
code = string.match (line, 'Subtag: (%w+)'); -- extract and save to subtag's code
elseif label == 'Description' then -- if this line is a description line
local desc = string.match (line, 'Description: (.+)'); -- extract the description
desc = string.gsub (desc, '"', '\\"'); -- in case description contains quote marks (see 1959acad)
table.insert (descriptions, '\"' .. desc .. '\"'); -- save the description wrapped in quote marks
elseif label == 'Prefix' then -- if this line is a prefix line
table.insert (prefixes, '\"' .. string.match (line, 'Prefix: (.+)'):lower() .. '\"'); -- extract and save the prefix wrapped in quote marks
elseif label == 'Comments' then -- if this line is a comments line
in_comments = true;
end
end
return code, table.concat (prefixes, ', '), table.concat (descriptions, ', ');
end
--[=[------------------------< G E T _ L A N G _ S C R I P T _ R E G I O N _ P A R T S >-----------------------
We get
%%\n
Type: language\n
Line 28 ⟶ 93:
before the Comments line.
Records with
]=]
Line 34 ⟶ 99:
local function get_lang_script_region_parts (record)
local code;
local suppress; -- Suppress script for this code if specified
local deprecated; -- boolean; true when subtag is deprecated
local descriptions = {};
local in_comments = false;
if
return 'skip';
end
for line in
local label = line:match ('(.-):');
elseif 'Description' == label then -- if this line is a description line
table.insert (descriptions, '\"' .. line:match ('Description: (.+)') .. '\"'); -- extract and save the name wrapped in quote marks
elseif 'Deprecated' == label then
deprecated = true; -- subtag is deprecated; set our flag
elseif 'Suppress-Script' == label then
suppress = line:match ('Suppress%-Script: (%S+)');
elseif 'Comments' == label then -- if this line is a comments line
in_comments = true;
elseif
descriptions[#descriptions] =
descriptions[#descriptions] = descriptions[#descriptions] .. ' ' ..
end
end
return code, table.concat (descriptions, ', '), suppress, deprecated;
end
Line 61 ⟶ 133:
read a local copy of the IANA language-subtag-registry file and from it build tables to replace the tables in:
[[Module:
[[Module:
[[Module:
[[Module:Lang/data/iana supressed cripts]]
[[Module:Lang/data/iana variants]]
current language-subtag-registry file can be found at: http://www.iana.org/assignments/language-subtag-registry
Line 70 ⟶ 144:
]=]
local function
local page = mw.title.getCurrentTitle(); -- get a page object for this page
local content = page:getContent(); -- get unparsed content
local lang_table = {}; -- languages go here
local lang_dep_table = {}; -- deprecated languages go here
local script_table = {}; -- scripts go here
local region_table = {}; -- regions go here
local variant_table = {}; -- variants go here
local suppress_table = {}; -- here we collect suppressed scripts and associated language codes
local iso_639_1_table = {}; -- ISO 639-1 languages; not used by Module:Lang but included here to ensure Module:Lang/data/ISO_639-1 gets updated
local file_date; -- first line
local code;
local descriptions;
local prefixes; -- used for language variants only
local suppress; -- a code's suppress script
local deprecated; -- boolean: true when subtag is deprecated
file_date = content:match ('(File%-Date: %d%d%d%d%-%d%d%-%d%d)'); -- get the file date line from this version of the source file
for record in
if record_type == 'language' then -- if a language record
code, descriptions, suppress, deprecated = get_lang_script_region_parts (record); -- get the code, description(s), suppress script, and deprecated flag
if code and ('skip' ~= code) then
if deprecated then
table.insert (lang_dep_table, "[\"" .. code .. "\"] = {" .. descriptions .. "}"); -- make table entries
else
table.insert (lang_table, "[\"" .. code .. "\"] = {" .. descriptions .. "}"); -- make table entries
if 2 == code:len() then
table.insert (iso_639_1_table, "[\"" .. code .. "\"] = {" .. descriptions .. "}"); -- make table entries
end
end
elseif not code then
table.insert (lang_table, "[\"error\"] = {" .. record .. "}"); -- code should never be nil, but inserting an error entry in the final output can be helpful
end
-- here we collect suppress stript tags and their associated language codes;
-- prettigying the data in this table must wait until all language codes have been read
if suppress then -- if this code has a suppressed script
local suppressed_code = table.concat ({'\"', code, '\"'}); -- wrap the code in quotes
if suppress_table[suppress] then -- if there is an entry for this script
table.insert (suppress_table[suppress], suppressed_code); -- insert the new code
else
suppress_table[suppress] = {}; -- add new script and empty table
table.insert (suppress_table[suppress], suppressed_code); -- insert the new code
end
end
elseif
code, descriptions = get_lang_script_region_parts (record); -- get the code and description(s)
Line 99 ⟶ 200:
table.insert (script_table, "[\"" .. code .. "\"] = {" .. descriptions .. "}"); -- make table entries
elseif not code then
table.insert (
end
elseif
code, descriptions = get_lang_script_region_parts (record); -- get the code and description(s)
Line 108 ⟶ 209:
table.insert (region_table, "[\"" .. code .. "\"] = {" .. descriptions .. "}"); -- make table entries
elseif not code then
table.insert (
end
elseif record_type == 'variant' then -- if a variant record
code, prefixes, descriptions = get_variant_parts (record); -- get the code, prefix(es), and description(s)
if code and ('skip' ~= code) then
table.insert (variant_table,
table.concat ({
"[\"",
code,
"\"] = {<br />		[\"descriptions\"] = {",
descriptions,
"},<br />		[\"prefixes\"] = {",
prefixes,
"},<br />		}"
})
);
elseif not code then
table.insert (variant_table, "[\"error\"] = {" .. record .. "}"); -- code should never be nil, but ...
end
end
end
--
local pretty_suppressed = {};
for script, code_tbl in pairs (suppress_table) do
local LIMIT = 11; -- max number of subtags on a line before a line break
local fragment_tbl = {}; -- groups of LIMIT number of subtags collected here
for i=1, #code_tbl, LIMIT do
local stop = ((i+LIMIT-1) > #code_tbl) and #code_tbl or i+LIMIT-1; -- calculate a table.concat stop position
table.insert (fragment_tbl, table.concat (code_tbl, ', ', i, stop)); -- get the fragment and save it
end
table.insert (pretty_suppressed, -- and make all pretty
table.concat ({'[\"', script, '\"] = {', table.concat (fragment_tbl, ',\n\t\t\t\t'), '}'})
);
end
table.sort (pretty_suppressed);
-- make final output pretty
return '<br /><pre>------------------------------< I A N A L A N G U A G E S >--------------------------------------------------<br />--' ..
file_date .. "<br />local active = {<br />	" .. table.concat (lang_table, ',<br />	') .. "<br />	}<br /><br />" ..
"local deprecated = {<br />	" .. table.concat (lang_dep_table, ',<br />	') .. "<br />	}<br /><br />" ..
"return {<br />	active = active,<br />	deprecated = deprecated,<br />	}<br /><br />" ..
'------------------------------< I A N A S C R I P T S >------------------------------------------------------<br />--' ..
file_date .. "<br />return {<br />	" .. table.concat (script_table, ',<br />	') .. "<br />	}<br /><br />" ..
'------------------------------< I A N A R E G I O N S >------------------------------------------------------<br />--' ..
file_date .. "<br />return {<br />	" .. table.concat (region_table, ',<br />	') .. "<br />	}<br /><br />" ..
'------------------------------< I A N A V A R I A N T S >----------------------------------------------------<br />--' ..
file_date .. "<br />return {<br />	" .. table.concat (variant_table, ',<br />	') .. "<br />	}<br /><br />" ..
'------------------------------< I A N A S U P P R E S S E D S C R I P T S >--------------------------------<br />--' ..
file_date .. "<br />return {<br />	" .. table.concat (pretty_suppressed, ',<br />	') .. "<br />	}<br /><br />" ..
'------------------------------< I S O 6 3 9 - 1 >------------------------------------------------------------<br />--' ..
file_date .. "<br />return {<br />	" .. table.concat (iso_639_1_table, ',<br />	') .. "<br />	}<br /><br />" .. "</pre>";
end
--[[--------------------------< E X P O R T E D F U N C T I O N >--------------------------------------------
]]
return {
iana_extract = iana_extract,
}
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