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luigi.lua
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luigi.lua
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local luautf8 = require 'lua-utf8'
local BinaryReader = require 'binarylib.binaryreader'
local BinaryWriter = require 'binarylib.binarywriter'
local utils = require 'binarylib.utils'
local stdio = require 'binarylib.stdio'
local function read_file(filename)
local file = io.open(filename, 'rb')
assert(file, string.format('File "%s" not found', filename))
local data = file:read('*a')
file:close()
return data
end
local commands_length = {
[0x08] = 2,
[0x0E] = 2,
[0x0F] = 2,
[0x11] = 1,
[0x19] = 4
}
local commands = {
[0x08] = true, [0x0E] = true, [0x0F] = true, [0x11] = true, [0x19] = true,
}
local function parse_bytes_string(bytes)
local br = BinaryReader.new(bytes)
local result = {}
while not br:is_eof() do
local c1 = br:read_ubyte()
if c1 == 0x7f then
if br.position % 2 ~= 0 then br.position = br.position + 1 end
local r1 = br:read_uint16()
if r1 == 0x0 then
break
elseif r1 == 0x01 then
table.insert(result, '<br>')
elseif r1 == 0x02 then
table.insert(result, '<hr>')
elseif commands[r1] then
if r1 ~= 0x11 then
br.position = utils.position_alignment(br.position, 4)
end
table.insert(result, '[')
local codes = {}
table.insert(codes, string.format("0x%x", r1))
for _ = 1, commands_length[r1] do
local short = br:read_uint16()
if short ~= 0x0 then
table.insert(codes, string.format("0x%x", short))
end
end
table.insert(result, table.concat(codes, ", "))
table.insert(result, ']')
elseif r1 == 0x15 then
br.position = utils.position_alignment(br.position, 4)
local short = br:read_uint16()
if short == 0xffff then
if br:read_uint16() == 0xffff then
table.insert(result, '</span>')
end
elseif short ~= 0x0 then
table.insert(result, string.format('<span class="color-%i">', short))
end
else
table.insert(result, r1)
end
elseif c1 ~= 0x0 then
table.insert(result, string.char(c1))
end
end
return result
end
local function export_gmsg(inputgmsg_name, output_name)
local data = read_file(inputgmsg_name)
local binreader = BinaryReader.new(data)
binreader.position = 0x0C
local entry_count = binreader:read_int32()
local pos = binreader:read_int32()
local msg_array = {}
binreader.position = pos
for i = 1, entry_count do
local id = binreader:read_int32()
binreader:read_int32()
local offset = binreader:read_int32()
local length = binreader:read_int32()
print(id, offset, length)
local prev_position = binreader.position
binreader.position = offset
local bytes = binreader:read_bytes(length)
table.insert(msg_array, {
id = id,
length = length,
bytes = bytes,
})
binreader.position = prev_position
end
local output_file = io.open(output_name, 'wb')
for i, v in ipairs(msg_array) do
local result = parse_bytes_string(v.bytes)
output_file:write(v.id, "|", table.concat(result), "|\n")
end
output_file:close()
end
local function table_find(t, i, value)
for j = i, #t do
if t[j] == value then return j end
end
assert('index not found with value: ', value)
end
local function write_align2_codepoint(bw, code)
if bw.position % 2 == 1 then
bw:write_ubyte(code)
else
bw:write_int16(code)
end
end
local function write_align4_codepoint(bw, code)
if (bw.position / 2) % 2 == 1 then
bw:write_int16(code)
return 0
else
bw:write_int32(code)
return 2
end
end
local function write_string(id, s, bw)
local t = {}
for _, code in luautf8.next, s do
table.insert(t, luautf8.char(code))
end
local i = 1
while i <= #t do
local c = t[i]
if c == '[' then
local j = table_find(t, i, ']')
assert(j, string.format('Error in line %i = %s', id, s))
local temp = table.concat(t, nil, i + 1, j - 1)
write_align2_codepoint(bw, 0x7f)
local codes = {}
for code in temp:gmatch("[^, ]+") do
table.insert(codes, tonumber(code, 16))
end
local first_code = codes[1]
table.remove(codes, 1)
if commands[first_code] then
if first_code ~= 0x11 then
write_align4_codepoint(bw, first_code)
else
bw:write_int16(first_code)
end
for k = 0, commands_length[first_code] - 1 do
if k % 2 == 0 then
local code = codes[(k / 2) + 1]
if code then
bw:write_int16(code)
else
bw:write_int16(0x0)
end
else
bw:write_int16(0x0)
end
end
else
bw:write_bytes(codes)
end
i = j
elseif c == '<' then
local j = table_find(t, i, '>')
assert(j, string.format('Error in line %i = %s', id, s))
local tag = table.concat(t, nil, i + 1, j - 1)
write_align2_codepoint(bw, 0x7f)
if tag == 'br' then
bw:write_int16(0x01)
elseif tag == 'hr' then
bw:write_int16(0x02)
elseif tag:find('span ') then
local color_value = tag:match('span class="color%-([%d]+)"')
write_align4_codepoint(bw, 0x15)
bw:write_int16(tonumber(color_value))
bw:write_int16(0x0)
elseif tag:find('/span') then
write_align4_codepoint(bw, 0x15)
bw:write_int16(0xffff)
bw:write_int16(0xffff)
else
error(string.format('Invalid tag on %i = %s', id, s))
end
i = j
else
bw:write_string(c)
end
i = i + 1
end
write_align2_codepoint(bw, 0x7f)
return write_align4_codepoint(bw, 0x00)
end
local function import_gmsg(inputgmsg_name, inputmd_name, outputgmsg_name)
local lines = {}
for line in io.lines(inputmd_name) do
if #line > 0 then
local id, str = line:match('([^|]+)|([^|]*)|')
assert(id, 'Error in: ' .. line)
lines[tonumber(id)] = str
end
end
local data = read_file(inputgmsg_name)
local binreader = BinaryReader.new(data)
binreader.position = 0x0C
local entry_count = binreader:read_int32()
local pos = binreader:read_int32()
local size = entry_count * 4 * 4 + pos
local output_file = stdio.open(outputgmsg_name, 'wb')
local bw = BinaryWriter.from_file(output_file)
bw:write_raw_bytes(binreader:read_raw_bytes(0, size), size)
binreader.position = pos
for i = 1, entry_count do
local table_pos = binreader.position
local id = binreader:read_int32()
local unknown = binreader:read_int32()
binreader:read_int32()
binreader:read_int32()
assert(lines[id], 'Not found: ' .. id)
local offset = bw.position
local align = write_string(id, lines[id], bw)
local prev_position = bw.position
bw.position = table_pos
bw:write_int32(id)
bw:write_int32(unknown)
bw:write_int32(offset)
bw:write_int32(prev_position - offset - align)
bw.position = prev_position
end
end
local first_arg = arg[1]
if first_arg == 'import' then
assert(arg[2], 'Error: inputgmsg_name arg not found.')
assert(arg[3], 'Error: inputmd_name arg not found.')
assert(arg[4], 'Error: outputgmsg_name arg not found.')
import_gmsg(select(2, unpack(arg)))
elseif first_arg == 'export' then
assert(arg[2], 'Error: inputgmsg_name arg not found.')
assert(arg[3], 'Error: output_name arg not found.')
export_gmsg(select(2, unpack(arg)))
end