Classes
class	Manager
	Maintains the associativity of configuration attributes with metadata and value origin/priority. More...

struct	Metadata
	Immutable information about a configuration attribute. More...

struct	OriginInfo
	Mutable metadata about a configuration attribute that describes where a value comes from. More...

Enumerations
enum	Origin { Origin::Runtime = 0, Origin::CommandLine, Origin::Configuration, Origin::EnvironmentVariable, Origin::Default }
	Configuration origins in descending priority. More...

Functions
std::ostream &	operator<< (std::ostream &os, Origin origin)
	Format Origin. More...

std::ostream &	operator<< (std::ostream &os, OriginInfo const &info)
	Format OriginInfo. More...

Class Documentation

◆ daq::config::Metadata

struct daq::config::Metadata

Immutable information about a configuration attribute.

Definition at line 64 of file manager.hpp.

Class Members
string	canonical_name
string	description

◆ daq::config::OriginInfo

struct daq::config::OriginInfo

Mutable metadata about a configuration attribute that describes where a value comes from.

Definition at line 72 of file manager.hpp.

Class Members
string	description	May include additional information like which configuration file was used.
Origin	origin

Enumeration Type Documentation

◆ Origin

enum daq::config::Origin

strong

Configuration origins in descending priority.

This is used to indicate from where a configuration parameter originates as well as its configuration priority. Higher or equal priority (lower number) replace lower or equal priority origins.

Enumerator
Runtime	Runtime change via e.g. request/reply command.
CommandLine	Command line argument.
Configuration	Configuration file.
EnvironmentVariable	Environment variable.
Default	Built-in default value.

Definition at line 30 of file manager.hpp.

Function Documentation

◆ operator<<() [1/2]

std::ostream & daq::config::operator<<	(	std::ostream &	os,
		Origin	origin
	)

Format Origin.

Parameters

os	output stream.
origin	Origin to format.

Definition at line 16 of file manager.cpp.

◆ operator<<() [2/2]

std::ostream & daq::config::operator<<	(	std::ostream &	os,
		OriginInfo const &	info
	)

Format OriginInfo.

Parameters

os	output stream.
info	OriginInfo to format.

Definition at line 40 of file manager.cpp.

Classes

Enumerations

Functions