112 static std::string FlagToEnvVar(const char* flag) {  in FlagToEnvVar()  argument
113   const std::string flag_str(flag);  in FlagToEnvVar()
124 bool BoolFromEnv(const char* flag, bool default_val) {  in BoolFromEnv()  argument
125   const std::string env_var = FlagToEnvVar(flag);  in BoolFromEnv()
130 int32_t Int32FromEnv(const char* flag, int32_t default_val) {  in Int32FromEnv()  argument
131   const std::string env_var = FlagToEnvVar(flag);  in Int32FromEnv()
142 double DoubleFromEnv(const char* flag, double default_val) {  in DoubleFromEnv()  argument
143   const std::string env_var = FlagToEnvVar(flag);  in DoubleFromEnv()
154 const char* StringFromEnv(const char* flag, const char* default_val) {  in StringFromEnv()  argument
155   const std::string env_var = FlagToEnvVar(flag);  in StringFromEnv()
161     const char* flag, std::map<std::string, std::string> default_val) {  in KvPairsFromEnv()  argument
162   const std::string env_var = FlagToEnvVar(flag);  in KvPairsFromEnv()
179 const char* ParseFlagValue(const char* str, const char* flag,  in ParseFlagValue()  argument
182   if (str == nullptr || flag == nullptr) return nullptr;  in ParseFlagValue()
185   const std::string flag_str = std::string("--") + std::string(flag);  in ParseFlagValue()
204 bool ParseBoolFlag(const char* str, const char* flag, bool* value) {  in ParseBoolFlag()  argument
206   const char* const value_str = ParseFlagValue(str, flag, true);  in ParseBoolFlag()
216 bool ParseInt32Flag(const char* str, const char* flag, int32_t* value) {  in ParseInt32Flag()  argument
218   const char* const value_str = ParseFlagValue(str, flag, false);  in ParseInt32Flag()
224   return ParseInt32(std::string("The value of flag --") + flag, value_str,  in ParseInt32Flag()
228 bool ParseDoubleFlag(const char* str, const char* flag, double* value) {  in ParseDoubleFlag()  argument
230   const char* const value_str = ParseFlagValue(str, flag, false);  in ParseDoubleFlag()
236   return ParseDouble(std::string("The value of flag --") + flag, value_str,  in ParseDoubleFlag()
240 bool ParseStringFlag(const char* str, const char* flag, std::string* value) {  in ParseStringFlag()  argument
242   const char* const value_str = ParseFlagValue(str, flag, false);  in ParseStringFlag()
251 bool ParseKeyValueFlag(const char* str, const char* flag,  in ParseKeyValueFlag()  argument
253   const char* const value_str = ParseFlagValue(str, flag, false);  in ParseKeyValueFlag()
266 bool IsFlag(const char* str, const char* flag) {  in IsFlag()  argument
267   return (ParseFlagValue(str, flag, true) != nullptr);  in IsFlag()