[FR] Provide public accessors to benchmark name and arguments #1551 (#…

…1563)

* [FR] Provide public accessors to benchmark name and arguments #1551

* Update AUTHORS and CONTRIBUTORS

* Update benchmark_register.cc

* Fix lint formatting

AUTHORS

@@ -46,6 +46,7 @@ Lei Xu <[email protected]>
 Marcel Jacobse <[email protected]>
 Matt Clarkson <[email protected]>
 Maxim Vafin <[email protected]>
+Mike Apodaca <[email protected]>
 MongoDB Inc.
 Nick Hutchinson <[email protected]>
 Norman Heino <[email protected]>

CONTRIBUTORS

@@ -67,6 +67,7 @@ Lei Xu <[email protected]>
 Marcel Jacobse <[email protected]>
 Matt Clarkson <[email protected]>
 Maxim Vafin <[email protected]>
+Mike Apodaca <[email protected]>
 Nick Hutchinson <[email protected]>
 Norman Heino <[email protected]>
 Oleksandr Sochka <[email protected]>

include/benchmark/benchmark.h

@@ -1245,7 +1245,10 @@ class BENCHMARK_EXPORT Benchmark {
   explicit Benchmark(const char* name);
   void SetName(const char* name);
 
+ public:
+  const char* GetName() const;
   int ArgsCnt() const;
+  const char* GetArgName(int arg) const;
 
  private:
   friend class BenchmarkFamilies;

src/benchmark_register.cc

@@ -470,6 +470,8 @@ Benchmark* Benchmark::ThreadPerCpu() {
 
 void Benchmark::SetName(const char* name) { name_ = name; }
 
+const char* Benchmark::GetName() const { return name_.c_str(); }
+
 int Benchmark::ArgsCnt() const {
   if (args_.empty()) {
     if (arg_names_.empty()) return -1;
@@ -478,6 +480,12 @@ int Benchmark::ArgsCnt() const {
   return static_cast<int>(args_.front().size());
 }
 
+const char* Benchmark::GetArgName(int arg) const {
+  BM_CHECK_GE(arg, 0);
+  BM_CHECK_LT(arg, static_cast<int>(arg_names_.size()));
+  return arg_names_[arg].c_str();
+}
+
 TimeUnit Benchmark::GetTimeUnit() const {
   return use_default_time_unit_ ? GetDefaultTimeUnit() : time_unit_;
 }