00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038
00039
00040
00041
00042
00043
00044
00045
00046
00047
00048 #ifndef BASE_COMMANDLINEFLAGS_H__
00049 #define BASE_COMMANDLINEFLAGS_H__
00050
00051 #include "config.h"
00052 #include <string>
00053 #include <string.h>
00054 #include "base/basictypes.h"
00055
00056 #define DECLARE_VARIABLE(type, name) \
00057 namespace FLAG__namespace_do_not_use_directly_use_DECLARE_##type##_instead { \
00058 extern PERFTOOLS_DLL_DECL type FLAGS_##name; \
00059 } \
00060 using FLAG__namespace_do_not_use_directly_use_DECLARE_##type##_instead::FLAGS_##name
00061
00062 #define DEFINE_VARIABLE(type, name, value, meaning) \
00063 namespace FLAG__namespace_do_not_use_directly_use_DECLARE_##type##_instead { \
00064 PERFTOOLS_DLL_DECL type FLAGS_##name(value); \
00065 char FLAGS_no##name; \
00066 } \
00067 using FLAG__namespace_do_not_use_directly_use_DECLARE_##type##_instead::FLAGS_##name
00068
00069
00070 #define DECLARE_bool(name) \
00071 DECLARE_VARIABLE(bool, name)
00072 #define DEFINE_bool(name, value, meaning) \
00073 DEFINE_VARIABLE(bool, name, value, meaning)
00074
00075
00076 #define DECLARE_int32(name) \
00077 DECLARE_VARIABLE(int32, name)
00078 #define DEFINE_int32(name, value, meaning) \
00079 DEFINE_VARIABLE(int32, name, value, meaning)
00080
00081
00082 #define DECLARE_int64(name) \
00083 DECLARE_VARIABLE(int64, name)
00084 #define DEFINE_int64(name, value, meaning) \
00085 DEFINE_VARIABLE(int64, name, value, meaning)
00086
00087 #define DECLARE_uint64(name) \
00088 DECLARE_VARIABLE(uint64, name)
00089 #define DEFINE_uint64(name, value, meaning) \
00090 DEFINE_VARIABLE(uint64, name, value, meaning)
00091
00092
00093 #define DECLARE_double(name) \
00094 DECLARE_VARIABLE(double, name)
00095 #define DEFINE_double(name, value, meaning) \
00096 DEFINE_VARIABLE(double, name, value, meaning)
00097
00098
00099
00100 #define DECLARE_string(name) \
00101 namespace FLAG__namespace_do_not_use_directly_use_DECLARE_string_instead { \
00102 extern std::string FLAGS_##name; \
00103 } \
00104 using FLAG__namespace_do_not_use_directly_use_DECLARE_string_instead::FLAGS_##name
00105 #define DEFINE_string(name, value, meaning) \
00106 namespace FLAG__namespace_do_not_use_directly_use_DECLARE_string_instead { \
00107 std::string FLAGS_##name(value); \
00108 char FLAGS_no##name; \
00109 } \
00110 using FLAG__namespace_do_not_use_directly_use_DECLARE_string_instead::FLAGS_##name
00111
00112
00113
00114
00115 #define EnvToString(envname, dflt) \
00116 (!getenv(envname) ? (dflt) : getenv(envname))
00117
00118 #define EnvToBool(envname, dflt) \
00119 (!getenv(envname) ? (dflt) : memchr("tTyY1\0", getenv(envname)[0], 6) != NULL)
00120
00121 #define EnvToInt(envname, dflt) \
00122 (!getenv(envname) ? (dflt) : strtol(getenv(envname), NULL, 10))
00123
00124 #define EnvToInt64(envname, dflt) \
00125 (!getenv(envname) ? (dflt) : strtoll(getenv(envname), NULL, 10))
00126
00127 #endif // BASE_COMMANDLINEFLAGS_H__