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陈彬
2020-07-04 14:41:25 +08:00
parent 70c346d2c1
commit a8f02e4da5
3748 changed files with 587372 additions and 0 deletions
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365
Assets/trCRM/upgradeRes4Dev/priority/lua/bio/BioInputStream.lua Normal file
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do
require("public.class")
require("bio.BioType")
BioInputStream = {}
local B2Type = BioType.B2Type;
local IntB2TypeValueMap = BioType.IntB2TypeValueMap;
local StringB2TypeLenMap = BioType.StringB2TypeLenMap
local MapB2TypeSizeMap = BioType.MapB2TypeSizeMap
local ListB2TypeSizeMap = BioType.ListB2TypeSizeMap
local type = type
local sub = string.sub
local strbyte = string.byte
local strchar = string.char
--===================================================
--===================================================
--===================================================
-- 数据流
LuaB2InputStream = class("LuaB2InputStream");
function LuaB2InputStream:ctor(v)
self.bytes = v;
self.pos = 1;
end
function LuaB2InputStream:init(v)
self.bytes = v;
self.pos = 1;
end
function LuaB2InputStream:readByte()
local ret = strbyte(self.bytes, self.pos);
self.pos = self.pos + 1;
return ret;
end
function LuaB2InputStream:readBytes(len)
local ret = strbyte(self.bytes, self.pos, self.pos + len - 1);
self.pos = self.pos + len;
return ret;
end
function LuaB2InputStream:readString(len)
local ret = sub(self.bytes, self.pos, self.pos + len - 1);
self.pos = self.pos + len;
return ret;
end
function LuaB2InputStream:release()
self.bytes = nil;
self.pos = 1;
end
--===================================================
--===================================================
--===================================================
---public Void readObject (LuaB2InputStream s)
---@param optional LuaB2InputStream s
--[[
local is = LuaB2InputStream.new(os:toBytes());
local result = BioInputStream.readObject(is)
--]]
function BioInputStream.readObject (s)
local tag = BioInputStream.ReadByteTag(s);
if tag == B2Type.NULL then
return nil;
else
-- decode map
local mapSize = MapB2TypeSizeMap[tag]
if mapSize then
return BioInputStream.readMap(s, mapSize);
elseif tag == B2Type.HASHTABLE then
local len = BioInputStream.readInt(s);
return BioInputStream.readMap(s, len);
end
end
-- decode int
local intVal = IntB2TypeValueMap[tag]
if intVal then
return intVal;
elseif tag == B2Type.INT_N1 then
return -1;
elseif tag == B2Type.INT_8B then
local int = 0;
local int0 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的1字节是负数的补码,比如读出来是128， 128=1000 0000，对应signed char 是 -127，而127=0111 1111
int = int0 - 256;
else
int = int0;
end
return int;
elseif tag == B2Type.INT_16B then
local int = 0;
--INT_16B
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的2字节是负数的补码
int = (int0 * 256 + int1) - 65536;
else
int = (int0 * 256 + int1);
end
return int;
elseif tag == B2Type.INT_32B then
local int = 0;
--INT_32B
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
local int2 = BioInputStream.ReadByte(s)
local int3 = BioInputStream.ReadByte(s)
--字节是负数,里面存放的4字节是负数的补码
if int0 >= 128 then
int = (int0 * 16777216 + int1 * 65536 + int2 * 256 + int3) - 4294967296;
else
int = (int0 * 16777216 + int1 * 65536 + int2 * 256 + int3);
end
return int;
end
-- decode string
local strLen = StringB2TypeLenMap[tag]
if strLen then
return s:readString(strLen);
elseif tag == B2Type.STR then
strLen = BioInputStream.readInt(s);
return s:readString(strLen);
end
if tag == B2Type.BOOLEAN_TRUE then
return true;
elseif tag == B2Type.BOOLEAN_FALSE then
return false;
elseif tag == B2Type.BYTE_0 then
return 0;
elseif tag == B2Type.BYTE then
return BioInputStream.ReadByte(s);
elseif tag == B2Type.BYTES_0 then
return 0;
elseif tag == B2Type.BYTES then
local len = BioInputStream.readInt(s);
return BioInputStream.ReadBytes(s, len);
end
-- decode list
local listLen = ListB2TypeSizeMap[tag]
if listLen then
return BioInputStream.readList(s, listLen);
elseif tag == B2Type.VECTOR then
local len = BioInputStream.readInt(s);
return BioInputStream.readList(s, len);
end
if tag == B2Type.SHORT_0 then
return 0;
elseif tag == B2Type.SHORT_8B then
local int = 0;
local int0 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的1字节是负数的补码,比如读出来是128， 128=1000 0000，对应signed char 是 -127，而127=0111 1111
int = int0 - 256;
else
int = int0;
end
return int;
elseif tag == B2Type.SHORT_16B then
local int = 0;
--INT_16B
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的2字节是负数的补码
int = (int0 * 256 + int1) - 65536;
else
int = (int0 * 256 + int1);
end
return int;
elseif tag == B2Type.LONG_0 then
return 0;
elseif tag == B2Type.LONG_8B then
local int = 0;
local int0 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的1字节是负数的补码,比如读出来是128， 128=1000 0000，对应signed char 是 -127，而127=0111 1111
int = int0 - 256;
else
int = int0;
end
return int;
elseif tag == B2Type.LONG_16B then
local int = 0;
--INT_16B
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的2字节是负数的补码
int = (int0 * 256 + int1) - 65536;
else
int = (int0 * 256 + int1);
end
return int;
elseif tag == B2Type.LONG_32B then
local int = 0;
--INT_32B
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
local int2 = BioInputStream.ReadByte(s)
local int3 = BioInputStream.ReadByte(s)
--字节是负数,里面存放的4字节是负数的补码
if int0 >= 128 then
int = (int0 * 16777216 + int1 * 65536 + int2 * 256 + int3) - 4294967296;
else
int = (int0 * 16777216 + int1 * 65536 + int2 * 256 + int3);
end
return int;
elseif tag == B2Type.LONG_64B then
local int = 0
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
local int2 = BioInputStream.ReadByte(s)
local int3 = BioInputStream.ReadByte(s)
local int4 = BioInputStream.ReadByte(s)
local int5 = BioInputStream.ReadByte(s)
local int6 = BioInputStream.ReadByte(s)
local int7 = BioInputStream.ReadByte(s)
--字节是负数,里面存放的4字节是负数的补码
if int0 >= 128 then
--? 1 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 = (9223372036854775807 * 4 + 3) ，
--lua里表示不出来了，只能这样写。
--实际上 大于9007199254740991（52bit) 的 long long 64在lua这边已经不是精确值了
int = (int0 * 72057594037927936 + int1 * 281474976710656 + int2 * 1099511627776 + int3 * 4294967296 + int4 * 16777216 + int5 * 65536 + int6 * 256 + int7) - (9223372036854775807 * 4 + 3);
else
int = (int0 * 72057594037927936 + int1 * 281474976710656 + int2 * 1099511627776 + int3 * 4294967296 + int4 * 16777216 + int5 * 65536 + int6 * 256 + int7)
end
return int
elseif tag == B2Type.DOUBLE_0 then
return 0;
elseif tag == B2Type.DOUBLE_64B then
local str = BioInputStream.readString(s)
return tonumber(str);
elseif tag == B2Type.INT_B2 then
return BioInputStream.readInt(s);
else
--//throw new IOException("unknow tag error then" + tag);
print("bio2 unknon type then==" .. tostring(tag));
end
return 0;
end
function BioInputStream.ReadByte(s)
if s == nil then
return nil;
end
return s:readByte();
end
function BioInputStream.ReadByteTag(s)
if s == nil then
return nil;
end
local int0 = s:readByte()
local int = 0;
if int0 >= 128 then
--字节是负数,里面存放的1字节是负数的补码,比如读出来是128， 128=1000 0000，对应signed char 是 -127，而127=0111 1111
int = int0 - 256;
else
int = int0;
end
return int;
end
function BioInputStream.ReadBytes(s, len)
return s:readBytes(len);
end
function BioInputStream.readMap(s, n)
if n == nil or n <= 0 then
return {}
end
local ret = {};
for i = 1, n do
local key = BioInputStream.readObject(s);
local val = BioInputStream.readObject(s);
ret [key] = val;
end
return ret;
end
function BioInputStream.readString(s)
local tag = BioInputStream.ReadByteTag(s);
local strLen = StringB2TypeLenMap[tag]
if strLen then
return s:readString(strLen)
elseif tag == B2Type.STR then
strLen = BioInputStream.readInt(s);
return s:readString(strLen)
end
return "";
end
function BioInputStream.readInt(s)
local tag = BioInputStream.ReadByteTag(s);
local intVal = IntB2TypeValueMap[tag]
if intVal then
return intVal;
elseif tag == B2Type.INT_N1 then
return -1;
elseif tag == B2Type.INT_8B then
local int = 0;
local int0 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的1字节是负数的补码,比如读出来是128， 128=1000 0000，对应signed char 是 -127，而127=0111 1111
int = int0 - 256;
else
int = int0;
end
return int;
elseif tag == B2Type.INT_16B then
local int = 0;
--INT_16B
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
if int0 >= 128 then
--字节是负数,里面存放的2字节是负数的补码
int = (int0 * 256 + int1) - 65536;
else
int = (int0 * 256 + int1);
end
return int;
elseif tag == B2Type.INT_32B then
local int = 0;
--INT_32B
local int0 = BioInputStream.ReadByte(s)
local int1 = BioInputStream.ReadByte(s)
local int2 = BioInputStream.ReadByte(s)
local int3 = BioInputStream.ReadByte(s)
--字节是负数,里面存放的4字节是负数的补码
if int0 >= 128 then
int = (int0 * 16777216 + int1 * 65536 + int2 * 256 + int3) - 4294967296;
else
int = (int0 * 16777216 + int1 * 65536 + int2 * 256 + int3);
end
return int;
end
return 0;
end
function BioInputStream.readList(s, n)
if n == nil or n <= 0 then
return {}
end
local ret = {};
for i = 1, n do
local val = BioInputStream.readObject(s);
table.insert(ret, val);
end
return ret;
end
--------------------------------------------
return BioInputStream;
end