miduo_client/Assets/ManagedResources/~Lua/3rd/pbc/protobuf.lua

556 lines
12 KiB
Lua

local c = require "protobuf.c"
local setmetatable = setmetatable
local type = type
local table = table
local assert = assert
local pairs = pairs
local ipairs = ipairs
local string = string
local print = print
local io = io
local tinsert = table.insert
local rawget = rawget
module "protobuf"
local _pattern_cache = {}
-- skynet clear
local P = c._env_new()
local GC = c._gc(P)
function lasterror()
return c._last_error(P)
end
local decode_type_cache = {}
local _R_meta = {}
function _R_meta:__index(key)
local v = decode_type_cache[self._CType][key](self, key)
self[key] = v
return v
end
local _reader = {}
function _reader:int(key)
return c._rmessage_integer(self._CObj , key , 0)
end
function _reader:real(key)
return c._rmessage_real(self._CObj , key , 0)
end
function _reader:string(key)
return c._rmessage_string(self._CObj , key , 0)
end
function _reader:bool(key)
return c._rmessage_integer(self._CObj , key , 0) ~= 0
end
function _reader:message(key, message_type)
local rmessage = c._rmessage_message(self._CObj , key , 0)
if rmessage then
local v = {
_CObj = rmessage,
_CType = message_type,
_Parent = self,
}
return setmetatable( v , _R_meta )
end
end
function _reader:int32(key)
return c._rmessage_int32(self._CObj , key , 0)
end
function _reader:int64(key)
return c._rmessage_int64(self._CObj , key , 0)
end
function _reader:int52(key)
return c._rmessage_int52(self._CObj , key , 0)
end
function _reader:uint52(key)
return c._rmessage_uint52(self._CObj , key , 0)
end
function _reader:int_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_integer(cobj , key , i))
end
return ret
end
function _reader:real_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_real(cobj , key , i))
end
return ret
end
function _reader:string_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_string(cobj , key , i))
end
return ret
end
function _reader:bool_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_integer(cobj , key , i) ~= 0)
end
return ret
end
function _reader:message_repeated(key, message_type)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
local m = {
_CObj = c._rmessage_message(cobj , key , i),
_CType = message_type,
_Parent = self,
}
tinsert(ret, setmetatable( m , _R_meta ))
end
return ret
end
function _reader:int32_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_int32(cobj , key , i))
end
return ret
end
function _reader:int64_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_int64(cobj , key , i))
end
return ret
end
function _reader:int52_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_int52(cobj , key , i))
end
return ret
end
function _reader:uint52_repeated(key)
local cobj = self._CObj
local n = c._rmessage_size(cobj , key)
local ret = {}
for i=0,n-1 do
tinsert(ret, c._rmessage_uint52(cobj , key , i))
end
return ret
end
_reader[1] = function(msg) return _reader.int end
_reader[2] = function(msg) return _reader.real end
_reader[3] = function(msg) return _reader.bool end
_reader[4] = function(msg) return _reader.string end
_reader[5] = function(msg) return _reader.string end
_reader[6] = function(msg)
local message = _reader.message
return function(self,key)
return message(self, key, msg)
end
end
_reader[7] = function(msg) return _reader.int64 end
_reader[8] = function(msg) return _reader.int32 end
_reader[9] = _reader[5]
_reader[10] = function(msg) return _reader.int52 end
_reader[11] = function(msg) return _reader.uint52 end
_reader[128+1] = function(msg) return _reader.int_repeated end
_reader[128+2] = function(msg) return _reader.real_repeated end
_reader[128+3] = function(msg) return _reader.bool_repeated end
_reader[128+4] = function(msg) return _reader.string_repeated end
_reader[128+5] = function(msg) return _reader.string_repeated end
_reader[128+6] = function(msg)
local message = _reader.message_repeated
return function(self,key)
return message(self, key, msg)
end
end
_reader[128+7] = function(msg) return _reader.int64_repeated end
_reader[128+8] = function(msg) return _reader.int32_repeated end
_reader[128+9] = _reader[128+5]
_reader[128+10] = function(msg) return _reader.int52_repeated end
_reader[128+11] = function(msg) return _reader.uint52_repeated end
local _decode_type_meta = {}
function _decode_type_meta:__index(key)
local t, msg = c._env_type(P, self._CType, key)
local func = assert(_reader[t],key)(msg)
self[key] = func
return func
end
setmetatable(decode_type_cache , {
__index = function(self, key)
local v = setmetatable({ _CType = key } , _decode_type_meta)
self[key] = v
return v
end
})
local function decode_message( message , buffer, length)
local rmessage = c._rmessage_new(P, message, buffer, length)
if rmessage then
local self = {
_CObj = rmessage,
_CType = message,
}
c._add_rmessage(GC,rmessage)
return setmetatable( self , _R_meta )
end
end
----------- encode ----------------
local encode_type_cache = {}
local function encode_message(CObj, message_type, t)
local type = encode_type_cache[message_type]
for k,v in pairs(t) do
local func = type[k]
func(CObj, k , v)
end
end
local _writer = {
int = c._wmessage_integer,
real = c._wmessage_real,
enum = c._wmessage_string,
string = c._wmessage_string,
int64 = c._wmessage_int64,
int32 = c._wmessage_int32,
int52 = c._wmessage_int52,
uint52 = c._wmessage_uint52,
}
function _writer:bool(k,v)
c._wmessage_integer(self, k, v and 1 or 0)
end
function _writer:message(k, v , message_type)
local submessage = c._wmessage_message(self, k)
encode_message(submessage, message_type, v)
end
function _writer:int_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_integer(self,k,v)
end
end
function _writer:real_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_real(self,k,v)
end
end
function _writer:bool_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_integer(self, k, v and 1 or 0)
end
end
function _writer:string_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_string(self,k,v)
end
end
function _writer:message_repeated(k,v, message_type)
for _,v in ipairs(v) do
local submessage = c._wmessage_message(self, k)
encode_message(submessage, message_type, v)
end
end
function _writer:int32_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_int32(self,k,v)
end
end
function _writer:int64_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_int64(self,k,v)
end
end
function _writer:int52_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_int52(self,k,v)
end
end
function _writer:uint52_repeated(k,v)
for _,v in ipairs(v) do
c._wmessage_uint52(self,k,v)
end
end
_writer[1] = function(msg) return _writer.int end
_writer[2] = function(msg) return _writer.real end
_writer[3] = function(msg) return _writer.bool end
_writer[4] = function(msg) return _writer.string end
_writer[5] = function(msg) return _writer.string end
_writer[6] = function(msg)
local message = _writer.message
return function(self,key , v)
return message(self, key, v, msg)
end
end
_writer[7] = function(msg) return _writer.int64 end
_writer[8] = function(msg) return _writer.int32 end
_writer[9] = _writer[5]
_writer[10] = function(msg) return _writer.int52 end
_writer[11] = function(msg) return _writer.uint52 end
_writer[128+1] = function(msg) return _writer.int_repeated end
_writer[128+2] = function(msg) return _writer.real_repeated end
_writer[128+3] = function(msg) return _writer.bool_repeated end
_writer[128+4] = function(msg) return _writer.string_repeated end
_writer[128+5] = function(msg) return _writer.string_repeated end
_writer[128+6] = function(msg)
local message = _writer.message_repeated
return function(self,key, v)
return message(self, key, v, msg)
end
end
_writer[128+7] = function(msg) return _writer.int64_repeated end
_writer[128+8] = function(msg) return _writer.int32_repeated end
_writer[128+9] = _writer[128+5]
_writer[128+10] = function(msg) return _writer.int52_repeated end
_writer[128+11] = function(msg) return _writer.uint52_repeated end
local _encode_type_meta = {}
function _encode_type_meta:__index(key)
local t, msg = c._env_type(P, self._CType, key)
local func = assert(_writer[t],key)(msg)
self[key] = func
return func
end
setmetatable(encode_type_cache , {
__index = function(self, key)
local v = setmetatable({ _CType = key } , _encode_type_meta)
self[key] = v
return v
end
})
function encode( message, t , func , ...)
local encoder = c._wmessage_new(P, message)
assert(encoder , message)
encode_message(encoder, message, t)
if func then
local buffer, len = c._wmessage_buffer(encoder)
local ret = func(buffer, len, ...)
c._wmessage_delete(encoder)
return ret
else
local s = c._wmessage_buffer_string(encoder)
c._wmessage_delete(encoder)
return s
end
end
--------- unpack ----------
local _pattern_type = {
[1] = {"%d","i"},
[2] = {"%F","r"},
[3] = {"%d","b"},
[4] = {"%d","i"},
[5] = {"%s","s"},
[6] = {"%s","m"},
[7] = {"%D","x"},
[8] = {"%d","p"},
[10] = {"%D","d"},
[11] = {"%D","u"},
[128+1] = {"%a","I"},
[128+2] = {"%a","R"},
[128+3] = {"%a","B"},
[128+4] = {"%a","I"},
[128+5] = {"%a","S"},
[128+6] = {"%a","M"},
[128+7] = {"%a","X"},
[128+8] = {"%a","P"},
[128+10] = {"%a", "D" },
[128+11] = {"%a", "U" },
}
_pattern_type[9] = _pattern_type[5]
_pattern_type[128+9] = _pattern_type[128+5]
local function _pattern_create(pattern)
local iter = string.gmatch(pattern,"[^ ]+")
local message = iter()
local cpat = {}
local lua = {}
for v in iter do
local tidx = c._env_type(P, message, v)
local t = _pattern_type[tidx]
assert(t,tidx)
tinsert(cpat,v .. " " .. t[1])
tinsert(lua,t[2])
end
local cobj = c._pattern_new(P, message , "@" .. table.concat(cpat," "))
if cobj == nil then
return
end
c._add_pattern(GC, cobj)
local pat = {
CObj = cobj,
format = table.concat(lua),
size = 0
}
pat.size = c._pattern_size(pat.format)
return pat
end
setmetatable(_pattern_cache, {
__index = function(t, key)
local v = _pattern_create(key)
t[key] = v
return v
end
})
function unpack(pattern, buffer, length)
local pat = _pattern_cache[pattern]
return c._pattern_unpack(pat.CObj , pat.format, pat.size, buffer, length)
end
function pack(pattern, ...)
local pat = _pattern_cache[pattern]
return c._pattern_pack(pat.CObj, pat.format, pat.size , ...)
end
function check(typename , field)
if field == nil then
return c._env_type(P,typename)
else
return c._env_type(P,typename,field) ~=0
end
end
--------------
local default_cache = {}
-- todo : clear default_cache, v._CObj
local function default_table(typename)
local v = default_cache[typename]
if v then
return v
end
v = { __index = assert(decode_message(typename , "")) }
default_cache[typename] = v
return v
end
local decode_message_mt = {}
local function decode_message_cb(typename, buffer)
return setmetatable ( { typename, buffer } , decode_message_mt)
end
function decode(typename, buffer, length)
local ret = {}
local ok = c._decode(P, decode_message_cb , ret , typename, buffer, length)
if ok then
return setmetatable(ret , default_table(typename))
else
return false , c._last_error(P)
end
end
local function expand(tbl)
local typename = rawget(tbl , 1)
local buffer = rawget(tbl , 2)
tbl[1] , tbl[2] = nil , nil
assert(c._decode(P, decode_message_cb , tbl , typename, buffer), typename)
setmetatable(tbl , default_table(typename))
end
function decode_message_mt.__index(tbl, key)
expand(tbl)
return tbl[key]
end
function decode_message_mt.__pairs(tbl)
expand(tbl)
return pairs(tbl)
end
local function set_default(typename, tbl)
for k,v in pairs(tbl) do
if type(v) == "table" then
local t, msg = c._env_type(P, typename, k)
if t == 6 then
set_default(msg, v)
elseif t == 128+6 then
for _,v in ipairs(v) do
set_default(msg, v)
end
end
end
end
return setmetatable(tbl , default_table(typename))
end
function register( buffer)
c._env_register(P, buffer)
end
function register_file(filename)
local f = assert(io.open(filename , "rb"))
local buffer = f:read "*a"
c._env_register(P, buffer)
f:close()
end
default=set_default