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Namespaces | Macros | Functions
Flags.h File Reference

Detailed Description

Defines macros to ease creation of command line flags.

Go to the source code of this file.

Namespaces

namespace  ola
 The namespace containing all OLA symbols.

Macros

#define DECLARE_bool(name)   DECLARE_flag(bool, name)
 Reuse a bool flag from another file.
#define DECLARE_int8(name)   DECLARE_flag(int8_t, name)
 Reuse an int8_t flag from another file.
#define DECLARE_int16(name)   DECLARE_flag(int16_t, name)
 Reuse an int16_t flag from another file.
#define DECLARE_int32(name)   DECLARE_flag(int32_t, name)
 Reuse an int32_t flag from another file.
#define DECLARE_uint8(name)   DECLARE_flag(uint8_t, name)
 Reuse a uint8_t flag from another file.
#define DECLARE_uint16(name)   DECLARE_flag(uint16_t, name)
 Reuse a uint16_t flag from another file.
#define DECLARE_uint32(name)   DECLARE_flag(uint32_t, name)
 Reuse a uint32_t flag from another file.
#define DECLARE_string(name)   DECLARE_flag(std::string, name)
 Reuse a string flag from another file.
#define DEFINE_bool(name, default_value, help_str)   DEFINE_flag(bool, name, \0, default_value, help_str, true)
 Create a new longname bool flag.
#define DEFINE_s_bool(name, short_opt, default_value, help_str)   DEFINE_flag_with_short(bool, name, short_opt, default_value, help_str, true)
 Create a new bool flag with a long and short name.
#define DEFINE_default_bool(name, default_value, help_str)   DEFINE_flag(bool, name, \0, default_value, help_str, false)
 Create a new longname bool flag that doesn't require an argument.
#define DEFINE_s_default_bool(name, short_opt, default_value, help_str)   DEFINE_flag_with_short(bool, name, short_opt, default_value, help_str, false)
 Create a new bool flag with a long and short name that doesn't require an argument.
#define DEFINE_int8(name, default_value, help_str)   DEFINE_flag(int8_t, name, \0, default_value, help_str, true)
 Create a new longname int8_t flag.
#define DEFINE_s_int8(name, short_opt, default_value, help_str)
 Create a new int8_t flag with a long and short name.
#define DEFINE_uint8(name, default_value, help_str)   DEFINE_flag(uint8_t, name, \0, default_value, help_str, true)
 Create a new longname uint8_t flag.
#define DEFINE_s_uint8(name, short_opt, default_value, help_str)
 Create a new uint8_t flag with a long and short name.
#define DEFINE_int16(name, default_value, help_str)   DEFINE_flag(int16_t, name, \0, default_value, help_str, true)
 Create a new longname int16_t flag.
#define DEFINE_s_int16(name, short_opt, default_value, help_str)
 Create a new int16_t flag with a long and short name.
#define DEFINE_uint16(name, default_value, help_str)   DEFINE_flag(uint16_t, name, \0, default_value, help_str, true)
 Create a new longname uint16_t flag.
#define DEFINE_s_uint16(name, short_opt, default_value, help_str)
 Create a new uint16_t flag with a long and short name.
#define DEFINE_int32(name, default_value, help_str)   DEFINE_flag(int32_t, name, \0, default_value, help_str, true)
 Create a new longname int32_t flag.
#define DEFINE_s_int32(name, short_opt, default_value, help_str)
 Create a new int32_t flag with a long and short name.
#define DEFINE_uint32(name, default_value, help_str)   DEFINE_flag(uint32_t, name, \0, default_value, help_str, true)
 Create a new longname uint32_t flag.
#define DEFINE_s_uint32(name, short_opt, default_value, help_str)
 Create a new int32_t flag with a long and short name.
#define DEFINE_string(name, default_value, help_str)   DEFINE_flag(std::string, name, \0, default_value, help_str, true)
 Create a new longname string flag.
#define DEFINE_s_string(name, short_opt, default_value, help_str)
 Create a new string flag with a long and short name.

Functions

void ola::SetHelpString (const std::string &first_line, const std::string &description)
 Set the help string for the program.
void ola::DisplayUsage ()
 Print the usage text to stdout.
void ola::DisplayUsageAndExit ()
 Print the usage text to stdout then exit.
void ola::DisplayVersion ()
 Print the version text to stdout.
void ola::ParseFlags (int *argc, char **argv)
 Parses the command line flags up to the first non-flag value. argv is re-arranged so that it only contains non-flag arguments.