1 #ifndef BENCHMARK_STRING_UTIL_H_
2 #define BENCHMARK_STRING_UTIL_H_
3
4 #include <string>
5 #include <sstream>
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)18 StringCatImp(std::ostream& out) BENCHMARK_NOEXCEPT
19 {
20 return out;
21 }
22
23 template <class First, class ...Rest>
24 inline std::ostream&
StringCatImp(std::ostream & out,First && f,Rest &&...rest)25 StringCatImp(std::ostream& out, First&& f, Rest&&... rest)
26 {
27 out << std::forward<First>(f);
28 return StringCatImp(out, std::forward<Rest>(rest)...);
29 }
30
31 template<class ...Args>
StrCat(Args &&...args)32 inline std::string StrCat(Args&&... args)
33 {
34 std::ostringstream ss;
35 StringCatImp(ss, std::forward<Args>(args)...);
36 return ss.str();
37 }
38
39 void ReplaceAll(std::string* str, const std::string& from,
40 const std::string& to);
41
42 } // end namespace benchmark
43
44 #endif // BENCHMARK_STRING_UTIL_H_
45