datatools::library_loader Class Reference

A DLL loader class. More...

#include <bayeux/datatools/library_loader.h>

Inheritance diagram for datatools::library_loader:

Public Types
typedef datatools::detail::DynamicLoader::SymbolPointer	symbol_ptr

Public Member Functions
	library_loader ()
	Default constructor. More...
	library_loader (const std::string &config_file_)
	Construct with path to config file. More...
	library_loader (const datatools::multi_properties &config_)
	Construct and instance with default flags and multi_properties. More...
virtual	~library_loader ()
	Destructor. More...
bool	has (const std::string &name_) const
	Return true if the DLL with name is setup. More...
bool	is_loaded (const std::string &name_) const
	Return true if the DLL with name is loaded. More...
int	registration (const std::string &name_, const std::string &directory_="", const std::string &filename_="", const std::string &full_path_="", const std::string &version_="", bool autoload_=false)
	Register a DLL. More...
int	load (const std::string &name_, const std::string &directory_="", const std::string &filename_="", const std::string &full_path_="", const std::string &version_="")
	Load a DLL. More...
int	close (const std::string &name_)
	Close a DLL. More...
int	close_all ()
	Close all DLLs. More...
void	print (std::ostream &out_=std::clog) const
	Smart print libraries configured/loaded to supplied stream. More...
symbol_ptr	get_symbol_address (const std::string &name_, const std::string &symbol_)
	Return pointer to symbol in named library. More...

Protected Member Functions
void	_init ()
	Protected initialization. More...

Detailed Description

A DLL loader class.

Member Typedef Documentation

symbol_ptr

typedef datatools::detail::DynamicLoader::SymbolPointer datatools::library_loader::symbol_ptr

Constructor & Destructor Documentation

library_loader() [1/3]

datatools::library_loader::library_loader

(

)

Default constructor.

library_loader() [2/3]

datatools::library_loader::library_loader ( const std::string &  config_file_ )

explicit

Construct with path to config file.

library_loader() [3/3]

datatools::library_loader::library_loader

(

const datatools::multi_properties &

config_

)

Construct and instance with default flags and multi_properties.

~library_loader()

virtual datatools::library_loader::~library_loader ( )

virtual

Destructor.

Member Function Documentation

_init()

void datatools::library_loader::_init ( )

protected

Protected initialization.

close()

int datatools::library_loader::close

(

const std::string &

name_

)

Close a DLL.

close_all()

int datatools::library_loader::close_all

(

)

Close all DLLs.

get_symbol_address()

symbol_ptr datatools::library_loader::get_symbol_address	(	const std::string &	name_,
		const std::string &	symbol_
	)

Return pointer to symbol in named library.

has()

bool datatools::library_loader::has

(

const std::string &

name_

)

const

Return true if the DLL with name is setup.

is_loaded()

bool datatools::library_loader::is_loaded

(

const std::string &

name_

)

const

Return true if the DLL with name is loaded.

load()

int datatools::library_loader::load	(	const std::string &	name_,
		const std::string &	directory_ = "",
		const std::string &	filename_ = "",
		const std::string &	full_path_ = "",
		const std::string &	version_ = ""
	)

Load a DLL.

• name the name of the library if the directory is empty, then the name can use the following format: name@directory
• directory the directory where the shared library file is stored
• filename the name of the shared library file
• full_path the full path of the shared library file
• version the version of the shared library

print()

void datatools::library_loader::print

(

std::ostream &

out_ = std::clog

)

const

Smart print libraries configured/loaded to supplied stream.

registration()

int datatools::library_loader::registration	(	const std::string &	name_,
		const std::string &	directory_ = "",
		const std::string &	filename_ = "",
		const std::string &	full_path_ = "",
		const std::string &	version_ = "",
		bool	autoload_ = false
	)

Register a DLL.

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The documentation for this class was generated from the following file:

• bayeux/datatools/library_loader.h