Intllib: minor cleanup
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@ -1,16 +1,9 @@
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local strsub, strrep = string.sub, string.rep
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local strmatch, strgsub = string.match, string.gsub
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local function trim(str)
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return strmatch(str, "^%s*(.-)%s*$")
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end
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local escapes = { n="\n", r="\r", t="\t" }
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local function unescape(str)
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return (strgsub(str, "(\\+)([nrt]?)", function(bs, c)
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return (str:gsub("(\\+)([nrt]?)", function(bs, c)
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local bsl = #bs
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local realbs = strrep("\\", bsl/2)
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local realbs = ("\\"):rep(bsl/2)
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if bsl%2 == 1 then
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c = escapes[c] or c
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end
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@ -27,14 +20,14 @@ local function parse_po(str)
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end
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for _, line in ipairs(str:split("\n")) do repeat
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lineno = lineno + 1
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line = trim(line)
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line = line:trim()
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if line == "" or strmatch(line, "^#") then
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if line == "" or line:match("^#") then
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state, msgid, msgid_plural = nil, nil, nil
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break -- continue
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end
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local mid = strmatch(line, "^%s*msgid%s*\"(.*)\"%s*$")
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local mid = line:match("^%s*msgid%s*\"(.*)\"%s*$")
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if mid then
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if state == "id" then
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return perror("unexpected msgid")
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@ -43,7 +36,7 @@ local function parse_po(str)
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break -- continue
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end
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mid = strmatch(line, "^%s*msgid_plural%s*\"(.*)\"%s*$")
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mid = line:match("^%s*msgid_plural%s*\"(.*)\"%s*$")
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if mid then
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if state ~= "id" then
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return perror("unexpected msgid_plural")
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@ -52,15 +45,14 @@ local function parse_po(str)
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break -- continue
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end
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local ind, mstr = strmatch(line,
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"^%s*msgstr([0-9%[%]]*)%s*\"(.*)\"%s*$")
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local ind, mstr = line:match("^%s*msgstr([0-9%[%]]*)%s*\"(.*)\"%s*$")
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if ind then
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if not msgid then
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return perror("missing msgid")
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elseif ind == "" then
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msgstrind = 0
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elseif strmatch(ind, "%[[0-9]+%]") then
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msgstrind = tonumber(strsub(ind, 2, -2))
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elseif ind:match("%[[0-9]+%]") then
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msgstrind = tonumber(ind:sub(2, -2))
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else
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return perror("malformed msgstr")
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end
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@ -73,7 +65,7 @@ local function parse_po(str)
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break -- continue
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end
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mstr = strmatch(line, "^%s*\"(.*)\"%s*$")
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mstr = line:match("^%s*\"(.*)\"%s*$")
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if mstr then
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if state == "id" then
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msgid = msgid..unescape(mstr)
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@ -107,9 +99,9 @@ end
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-- It handles enough stuff to parse the `Plural-Forms` header correctly.
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-- Note that it assumes the C expression is valid to begin with.
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local function compile_plural_forms(str)
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local plural = strmatch(str, "plural=([^;]+);?$")
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local plural = str:match("plural=([^;]+);?$")
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local function replace_ternary(s)
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local c, t, f = strmatch(s, "^(.-)%?(.-):(.*)")
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local c, t, f = s:match(s"^(.-)%?(.-):(.*)")
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if c then
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return ("__if("
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..replace_ternary(c)
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@ -120,10 +112,10 @@ local function compile_plural_forms(str)
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return s
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end
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plural = replace_ternary(plural)
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plural = strgsub(plural, "&&", " and ")
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plural = strgsub(plural, "||", " or ")
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plural = strgsub(plural, "!=", "~=")
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plural = strgsub(plural, "!", " not ")
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plural = plural:gsub("&&", " and ")
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plural = plural:gsub("||", " or ")
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plural = plural:gsub("!=", "~=")
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plural = plural:gsub("!", " not ")
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local f, err = loadstring([[
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local function __if(c, t, f)
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if c and c~=0 then return t else return f end
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@ -150,7 +142,7 @@ end
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local function parse_headers(str)
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local headers = { }
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for _, line in ipairs(str:split("\n")) do
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local k, v = strmatch(line, "^([^:]+):%s*(.*)")
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local k, v = line:match("^([^:]+):%s*(.*)")
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if k then
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headers[k] = v
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end
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@ -3,7 +3,7 @@ intllib = {
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strings = {},
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}
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local path = core.get_builtin_path() .. DIR_DELIM .. "intllib" .. DIR_DELIM
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local path = core.get_builtin_path() .. "intllib" .. DIR_DELIM
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dofile(path .. "lib.lua")
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local LANG = core.settings:get("language")
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@ -67,15 +67,14 @@ function intllib.Getter(modname)
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end
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local strfind, strsub = string.find, string.sub
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local langs
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local function split(str, sep)
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local pos, endp = 1, #str+1
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return function()
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if (not pos) or pos > endp then return end
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local s, e = strfind(str, sep, pos, true)
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local part = strsub(str, pos, s and s-1)
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local s, e = str:find(sep, pos, true)
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local part = str:sub(pos, s and s-1)
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pos = e and e + 1
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return part
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end
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@ -89,14 +88,14 @@ function intllib.get_detected_languages()
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local function addlang(l)
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local sep
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langs[#langs+1] = l
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sep = strfind(l, ".", 1, true)
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sep = l:find(".", 1, true)
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if sep then
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l = strsub(l, 1, sep-1)
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l = l:sub(1, sep-1)
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langs[#langs+1] = l
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end
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sep = strfind(l, "_", 1, true)
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sep = l:find("_", 1, true)
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if sep then
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langs[#langs+1] = strsub(l, 1, sep-1)
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langs[#langs+1] = l:sub(1, sep-1)
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end
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end
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@ -138,8 +137,9 @@ local function catgettext(catalogs, msgid)
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end
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end
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local floor = math.floor
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local function catngettext(catalogs, msgid, msgid_plural, n)
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n = math.floor(n)
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n = floor(n)
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for _, cat in ipairs(catalogs) do
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local msgstr = cat and cat[msgid]
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if msgstr then
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@ -1,5 +1,3 @@
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intllib = intllib or {}
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local INS_CHAR = "@"
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intllib.INSERTION_CHAR = INS_CHAR
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