81 static std::string FlagToEnvVar(const char* flag) {  in FlagToEnvVar()  argument
82   const std::string flag_str(flag);  in FlagToEnvVar()
95 bool BoolFromEnv(const char* flag, bool default_value) {  in BoolFromEnv()  argument
96   const std::string env_var = FlagToEnvVar(flag);  in BoolFromEnv()
105 int32_t Int32FromEnv(const char* flag, int32_t default_value) {  in Int32FromEnv()  argument
106   const std::string env_var = FlagToEnvVar(flag);  in Int32FromEnv()
125 const char* StringFromEnv(const char* flag, const char* default_value) {  in StringFromEnv()  argument
126   const std::string env_var = FlagToEnvVar(flag);  in StringFromEnv()
136 const char* ParseFlagValue(const char* str, const char* flag,  in ParseFlagValue()  argument
139   if (str == nullptr || flag == nullptr) return nullptr;  in ParseFlagValue()
142   const std::string flag_str = std::string("--") + std::string(flag);  in ParseFlagValue()
161 bool ParseBoolFlag(const char* str, const char* flag, bool* value) {  in ParseBoolFlag()  argument
163   const char* const value_str = ParseFlagValue(str, flag, true);  in ParseBoolFlag()
173 bool ParseInt32Flag(const char* str, const char* flag, int32_t* value) {  in ParseInt32Flag()  argument
175   const char* const value_str = ParseFlagValue(str, flag, false);  in ParseInt32Flag()
181   return ParseInt32(std::string("The value of flag --") + flag, value_str,  in ParseInt32Flag()
185 bool ParseDoubleFlag(const char* str, const char* flag, double* value) {  in ParseDoubleFlag()  argument
187   const char* const value_str = ParseFlagValue(str, flag, false);  in ParseDoubleFlag()
193   return ParseDouble(std::string("The value of flag --") + flag, value_str,  in ParseDoubleFlag()
197 bool ParseStringFlag(const char* str, const char* flag, std::string* value) {  in ParseStringFlag()  argument
199   const char* const value_str = ParseFlagValue(str, flag, false);  in ParseStringFlag()
208 bool IsFlag(const char* str, const char* flag) {  in IsFlag()  argument
209   return (ParseFlagValue(str, flag, true) != nullptr);  in IsFlag()