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w_strings.lua
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w_strings.lua
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assert("Lua 5.3" == _VERSION)
assert(arg[1], "\n\n[ERROR] no input file\n\n")
assert(arg[2], "\n\n[ERROR] no output file\n\n")
local LANG = tonumber(arg[3]) or nil
require("mod_binary_reader")
local r = BinaryReader
local out = assert(io.open(arg[2], "w+b"))
--[[ utils ]]------------------------------------------------------------------
local wr = io.write
local tochar = string.char
local tobyte = string.byte
local wf = function(fmt, ...)
wr(string.format(fmt, ...))
end
local owr = function(s) out:write(s) end
local function utf16_to_utf8(u16)
local u8 = {}
if u16 < 127 then
u8[1] = tochar(u16 & 255)
elseif u16 <= 2047 then
u8[1] = tochar(u16 >> 6 & 31 | 192)
u8[2] = tochar(u16 & 63 | 128)
else
u8[1] = tochar(u16 >> 12 & 15 | 224)
u8[2] = tochar(u16 >> 6 & 63 | 128)
u8[3] = tochar(u16 & 63 | 128)
end
return table.concat(u8)
end
local function convert_time(time)
local u = math.floor(time / 10000000 - 11644473600)
local str = os.date("%Y-%m-%d %H:%M:%S", u)
return str
end
--[[ funcs ]]------------------------------------------------------------------
local function read_header()
local header = {}
header.s_num = r:uint32() -- кол-во имён файлов
local unk = r:uint32()
assert(0 == unk, "\n\nexpected 0, received " .. unk .. "\n\n")
header.c_num = r:uint32() -- кол-во колонок (/2 - языков)
header.r_num = r:uint32() -- кол-во строк (хешей)
header.s_arr = r:uint32() -- адрес массива имен файлов
header.n_arr = r:uint32() -- адрес массива заголовков (первая строка таблицы)
header.c_arr = r:uint32() -- адрес колонок...
header.r_arr = r:uint32() -- адрес строк...
--[[
wr("s_num\tc_num\tc_num\ts_arr\tn_arr\tc_arr\t\tr_arr\n")
wr(header.s_num .. "\t")
wr(header.c_num .. "\t")
wr(header.r_num .. "\t")
wr(header.s_arr .. "\t")
wr(header.n_arr .. "\t")
wr(header.c_arr .. "\t")
wr(header.r_arr .. "\n")
--]]
return header
end
local function read_source(offset, count)
local source = { [count-1] = true }
r:seek(offset)
for i = 0, count-1 do
local sz = r:uint16()
local name = r:str(sz)
local time = (r:uint32() << 32) + r:uint32()
source[i] = { name, time }
end
--[[
wr("\nsources:\n")
for i = 0, count-1 do
local s = source[i]
wf("%s %s\n", convert_time(s[2]), s[1])
end
--]]
return source
end
local function read_hash(offset, count)
local hash = { [count-1] = true }
r:seek(offset)
local sz = r:uint32(); assert(count*4 == sz)
local ptr = r:uint32(); assert(r:pos() == ptr)
for i = 0, count-1 do
hash[i] = r:uint32()
end
wr("hashes (rows): " .. count .. "\n")
return hash
end
local function read_lang(offset, count)
r:seek(offset)
local tmp = { [count-1] = true }
for _ = 0, count-1 do
local sz = r:uint32()
local off = r:uint32()
tmp[off] = sz
end
local lang = { [count-1] = true }
for i = 0, count-1 do
local sz = tmp[r:pos()]-1 -- skip \x00 at end
local name = r:str(sz)
r:uint8()
lang[i] = name
end
tmp = nil
wr("languages: " .. count .. "\n")
return lang
end
local function read_lang_ptr(offset, count, rows)
r:seek(offset)
local lang_ptr = { [count-1] = true }
for i = 0, count-1 do
lang_ptr[i] = {
[0] = r:uint32() - (rows * 4) -1, -- control size
[1] = r:uint32(), -- control offset
[2] = r:uint32() // 4 -1, -- char syze
[3] = r:uint32() -- char offset
}
end
assert(r:pos() == r:size()) -- must be EOF
return lang_ptr
end
local function read_column(ctr, rows)
local beg_sz = rows -1
local seq_sz = ctr[0] -- control size
local sym_sz = ctr[2] -- char size
local begin = { [beg_sz] = true }
local seq = { [seq_sz] = true }
local ptr = { [sym_sz] = true }
local char = { [sym_sz] = true }
r:seek(ctr[1]) -- control offset
for i = 0, beg_sz do
begin[i] = r:uint32()
end
for i = 0, seq_sz do
seq[i] = r:uint16()
end
r:seek(ctr[3]) -- char offset)
for i = 0, sym_sz do
ptr[i] = r:uint16()
char[i] = utf16_to_utf8(r:uint16())
end
return { begin = begin, seq = seq, ptr = ptr, char = char }
end
local function read_row(lang, row)
local idx = lang.begin[row]
if 0xffffffff == idx then return "" end
local str = {}
local seq = lang.seq
local ptr = lang.ptr
local char = lang.char
local s = seq[idx]
while s ~= 0 do
local add = {}
while s ~= 0 do
table.insert(add, 1, char[s])
s = ptr[s]
end
table.insert(str, table.concat(add))
idx = idx + 1
s = seq[idx]
end
return table.concat(str)
end
--[[ localization ]]-----------------------------------------------------------
local function read_STB(ver)
local h = read_header()
local source = read_source(h.s_arr, h.s_num)
local hash = read_hash(h.r_arr, h.r_num)
local lang = read_lang(h.n_arr, h.c_num)
local lang_ptr = read_lang_ptr(h.c_arr, h.c_num, h.r_num)
wr("header done, start data reading...\n")
local tbl = { [h.c_num-1] = true }
tbl[LANG] = read_column(lang_ptr[LANG], h.r_num)
wr("data done, start output...\n")
owr(("local L = {}\r\nL.lang = \"%s\"\r\n"):format(lang[LANG]))
for r = 0, h.r_num-1 do
local str = read_row(tbl[LANG], r)
owr(("L[0x%08X] = [[%s]]\r\n"):format(hash[r], str))
end
owr("return L\r\n")
wr("all done!\n")
end
local function read_GAR5()
r:idstring("GAR5")
r:idstring("\32\0\0\0")
if "STB" == r:str(3) then
local ver = r:uint8()
read_STB(ver)
else
io.stderr("\nthe file is not like a localization table.\n")
end
end
--[[ main ]]-------------------------------------------------------------------
r:open(arg[1], "rb")
read_GAR5()
r:close()
out:close()