1 #ifndef BENCHMARK_STRING_UTIL_H_ 2 #define BENCHMARK_STRING_UTIL_H_ 3 4 #include <sstream> 5 #include <string> 6 #include <utility> 7 #include "internal_macros.h" 8 9 namespace benchmark { 10 11 void AppendHumanReadable(int n, std::string* str); 12 13 std::string HumanReadableNumber(double n); 14 15 std::string StringPrintF(const char* format, ...); 16 17 inline std::ostream& StringCatImp(std::ostream& out) BENCHMARK_NOEXCEPT { 18 return out; 19 } 20 21 template <class First, class... Rest> 22 inline std::ostream& StringCatImp(std::ostream& out, First&& f, 23 Rest&&... rest) { 24 out << std::forward<First>(f); 25 return StringCatImp(out, std::forward<Rest>(rest)...); 26 } 27 28 template <class... Args> 29 inline std::string StrCat(Args&&... args) { 30 std::ostringstream ss; 31 StringCatImp(ss, std::forward<Args>(args)...); 32 return ss.str(); 33 } 34 35 void ReplaceAll(std::string* str, const std::string& from, 36 const std::string& to); 37 38 } // end namespace benchmark 39 40 #endif // BENCHMARK_STRING_UTIL_H_ 41
