xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
binary_reader.hpp	4d99525703 first commit	6 月之前
input_adapters.hpp	4d99525703 first commit	6 月之前
json_sax.hpp	4d99525703 first commit	6 月之前
lexer.hpp	4d99525703 first commit	6 月之前
parser.hpp	4d99525703 first commit	6 月之前
position_t.hpp	4d99525703 first commit	6 月之前