fix(lpb_tointegerx): filter out illegal formats, such as, #a, #-aaa...

[zhoujiexiong]

local pb = require "pb"
local protoc = require "protoc"

assert(protoc:load [[
syntax = "proto3";
message Money {
  string currency = 1;
  repeated int64 values = 2;
}]])

local data = {
    currency = "MYR",
    values = {
	-- cases supported
	1, 2, -3, "#123", "0xabF", "#-0x123abcdef", "-#0x123abcdef", "#0x123abc", "123",
	-- cases filtered out
	--- "a", "+aaa", "#aaaaa",
    },
}

--pb.option "int64_as_string"
--pb.option "int64_as_hexstring"

local bytes = assert(pb.encode("Money", data))
print(pb.tohex(bytes))
print(ngx.encode_base64(bytes))

local data2 = assert(pb.decode("Money", bytes))
print(require "serpent".block(data2))

[zhoujiexiong]

ping @starwing

[starwing]

Good catch, thanks for contribution!

[coveralls]

coverage: 99.611%. remained the same
when pulling ad75e24 on zhoujiexiong:fix-lpb_tointegerx
into 5e99872 on starwing:master.

[zhoujiexiong]

Hi @starwing ,

Would you please help release new version to luarocks? Thx.

[starwing]

@zhoujiexiong done