| 1 | #ifndef BENCHMARK_STRING_UTIL_H_ |
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| 2 | #define BENCHMARK_STRING_UTIL_H_ |
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| 3 | |
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| 4 | #include <sstream> |
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| 5 | #include <string> |
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| 6 | #include <utility> |
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| 7 | #include <vector> |
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| 8 | |
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| 9 | #include "benchmark/benchmark.h" |
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| 10 | #include "benchmark/export.h" |
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| 11 | #include "check.h" |
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| 12 | #include "internal_macros.h" |
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| 13 | |
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| 14 | namespace benchmark { |
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| 15 | |
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| 16 | BENCHMARK_EXPORT |
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| 17 | std::string HumanReadableNumber(double n, Counter::OneK one_k); |
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| 18 | |
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| 19 | BENCHMARK_EXPORT |
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| 20 | #if defined(__MINGW32__) |
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| 21 | __attribute__((format(__MINGW_PRINTF_FORMAT, 1, 2))) |
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| 22 | #elif defined(__GNUC__) |
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| 23 | __attribute__((format(printf, 1, 2))) |
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| 24 | #endif |
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| 25 | std::string |
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| 26 | StrFormat(const char* format, ...); |
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| 27 | |
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| 28 | inline std::ostream& StrCatImp(std::ostream& out) BENCHMARK_NOEXCEPT { |
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| 29 | return out; |
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| 30 | } |
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| 31 | |
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| 32 | template <class First, class... Rest> |
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| 33 | inline std::ostream& StrCatImp(std::ostream& out, First&& f, Rest&&... rest) { |
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| 34 | out << std::forward<First>(f); |
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| 35 | return StrCatImp(out, std::forward<Rest>(rest)...); |
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| 36 | } |
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| 37 | |
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| 38 | template <class... Args> |
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| 39 | inline std::string StrCat(Args&&... args) { |
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| 40 | std::ostringstream ss; |
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| 41 | StrCatImp(ss, std::forward<Args>(args)...); |
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| 42 | return ss.str(); |
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| 43 | } |
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| 44 | |
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| 45 | BENCHMARK_EXPORT |
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| 46 | std::vector<std::string> StrSplit(const std::string& str, char delim); |
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| 47 | |
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| 48 | // Disable lint checking for this block since it re-implements C functions. |
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| 49 | // NOLINTBEGIN |
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| 50 | #ifdef BENCHMARK_STL_ANDROID_GNUSTL |
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| 51 | /* |
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| 52 | * GNU STL in Android NDK lacks support for some C++11 functions, including |
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| 53 | * stoul, stoi, stod. We reimplement them here using C functions strtoul, |
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| 54 | * strtol, strtod. Note that reimplemented functions are in benchmark:: |
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| 55 | * namespace, not std:: namespace. |
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| 56 | */ |
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| 57 | unsigned long stoul(const std::string& str, size_t* pos = nullptr, |
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| 58 | int base = 10); |
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| 59 | int stoi(const std::string& str, size_t* pos = nullptr, int base = 10); |
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| 60 | double stod(const std::string& str, size_t* pos = nullptr); |
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| 61 | #else |
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| 62 | using std::stod; // NOLINT(misc-unused-using-decls) |
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| 63 | using std::stoi; // NOLINT(misc-unused-using-decls) |
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| 64 | using std::stoul; // NOLINT(misc-unused-using-decls) |
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| 65 | #endif |
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| 66 | // NOLINTEND |
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| 67 | |
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| 68 | } // end namespace benchmark |
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| 69 | |
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| 70 | #endif // BENCHMARK_STRING_UTIL_H_ |
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| 71 | |
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