C + + Call JS, variable parameter template implementation, easy to call

Source: Internet
Author: User

#include "scripting/js-bindings/manual/scriptingcore.h" #include <sstream> #include <type_traits>/// Args push helpertemplate<typename _ty> inlinevoid jsx_unpack_arg (std::stringstream& SS, int& Carg, const _ ty& arg) {//template adapter:must be numeric type Static_assert (Std::is_integral<_ty>::value | | std::is_flo    Ating_point<_ty>::value, "error, jsx_unpack:unsupported type!");    SS << Arg << ","; ++carg;} Inlinevoid Jsx_unpack_arg (std::stringstream& SS, int&/*carg*/) {//Empty arg}inlinevoid Jsx_unpack_arg (std:: stringstream& SS, int& carg, const char* arg) {//numbers SS << "\" "<< arg <<" \ "" <<    ","; ++carg;} Inlinevoid Jsx_unpack_arg (std::stringstream& SS, int& carg, const std::string& ARG) {ss << "\" "<& Lt    Arg << "\" "<<", "; ++carg;} Template<typename _ty, typename..._args> inlinevoid jsx_unpack_arg (std::stringstream& SS, Int&    Carg, const _ty& arg1, const _args&...args) {Jsx_unpack_arg (ss, Carg, arg1); Jsx_unpack_arg (ss, Carg, args ...);} template<typename..._args> inlinevoid jsx_vcall (const char* func, const _args&...args) {Std::stringstream ss    Treamargs;        Sstreamargs.precision (16);    Sstreamargs << func << "(";    int carg = 0;    Jsx_unpack_arg (Sstreamargs, Carg, args ...);    Auto Actrualargs = Sstreamargs.str (); if (Carg! = 0) actrualargs.pop_back ();    Pop last ', ' Actrualargs.append (");");    Jsval v1;    BOOL succeed = Scriptingcore::getinstance ()->evalstring (Actrualargs.c_str (), &AMP;V1); ASSERT (succeed);}

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C + + Call JS, variable parameter template implementation, easy to call

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