utils/benchmark/src/string_util.h

   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, double one_k = 1024.0);
  14
  15 std::string StrFormat(const char* format, ...);
  16
  17 inline std::ostream& StrCatImp(std::ostream& out) BENCHMARK_NOEXCEPT {
  18   return out;
  19 }
  20
  21 template <class First, class... Rest>
  22 inline std::ostream& StrCatImp(std::ostream& out, First&& f,
  23                                   Rest&&... rest) {
  24   out << std::forward<First>(f);
  25   return StrCatImp(out, std::forward<Rest>(rest)...);
  26 }
  27
  28 template <class... Args>
  29 inline std::string StrCat(Args&&... args) {
  30   std::ostringstream ss;
  31   StrCatImp(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_