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
StringCatImp(std::ostream & out)17 inline std::ostream& StringCatImp(std::ostream& out) BENCHMARK_NOEXCEPT {
18 return out;
19 }
20
21 template <class First, class... Rest>
StringCatImp(std::ostream & out,First && f,Rest &&...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>
StrCat(Args &&...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