Module:Sandbox/Erutuon: Difference between revisions

Revision as of 21:53, 3 July 2018

Revision as of 22:14, 3 July 2018

Line 362:

self.invalid = table.concat(self.input, "-", index)

self:remove_unnecessary_fields()

return self

end

function parsed_subtags_mt:remove_unnecessary_fields()

Line 404 ⟶ 405:

-- characters and hyphen-minus.

if not tag:find '^[A-Za-z0-9-]+$' then

return parsed_subtags:throw("invalid characters", 1)

return parsed_subtags

end

Line 464:

if #potential_subtags > matched_count then

-- Not all potential subtags were matched. TheCheck unmatchedfor tailprivate-use end of the tagsubtags.

-- (after the subtag at the index last_matched_subtag_i) is a

-- private-use subtag if it starts with "x". Otherwise, the tag is

-- invalid.

-- Remove the "x-"?

-- https://tools.ietf.org/html/bcp47#section-2.2.7

local private_use_tag_start_indices = {}

Line 477 ⟶ 473:

end

if not private_use_tag_start_indices[1] then

return parsed_subtags:throw("invalid subtag", last_matched_subtag_i + 1)

return parsed_subtags

end

for i, subtag_index in pairs(private_use_tag_start_indices) do

local next_subtag_index = private_use_tag_start_indices[i + 1] or #potential_subtags + 1

-- Private-use subtags consist of "x-" followed by a1 sequenceto of8 alphanumeric characters.

if next_subtag_index - subtag_index ~= 2 then

return parsed_subtags:throw("invalid subtag", subtag_index)

return parsed_subtags

end

-- Generate private_use table only if needed.

parsed_subtags.private_use = parsed_subtags.private_use or {}

local subtag = table.concat(potential_subtags, "-",

table.insert(parsed_subtags.private_use,

subtag_index,

table.concat(potential_subtags, "-",

and private_use_tag_start_indices[i + 1] - 1))

subtag_index,

and private_use_tag_start_indices[i + 1] - 1)

if not (3 <= #subtag and #subtag <= 10) then -- "u-x" - "u-xxxxxxxx"

and private_use_tag_start_indices[i + 1] - 1))

return parsed_subtags:throw("length of private-use subtag out of range",

private_use_tag_start_indices[i + 1])

end

table.insert(parsed_subtags.private_use, subtag)

end

end

if not (parsed_subtags.language or parsed_subtags.private_use) then

return parsed_subtags:throw("no language subtag", 1)

end