output_pager Class Reference

#include <pager.h>

Inheritance diagram for output_pager:

Public Member Functions
virtual	~output_pager ()
Static Public Member Functions
static void	set (int flag, void(*usage)(void))
static pointer	open (void)
static void	cleanup (void)
Protected Member Functions
nstring	filename (void) const
nstring	type_name (void) const
long	ftell_inner (void) const
void	write_inner (const void *data, size_t length)
void	end_of_line_inner (void)
void	flush_inner (void)
Private Member Functions
	output_pager ()
void	pipe_open (void)
void	pager_error (void)
	output_pager (const output_pager &)
output_pager &	operator= (const output_pager &)
Private Attributes
void *	vdeeper
int	pid
nstring	pager
bool	bol

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Detailed Description

The output_pager class is used to represent an output stream which is run thropugh a paginator onto the users terminal. This is controlled by the PAGER environment variable.

Definition at line 30 of file pager.h.

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Constructor & Destructor Documentation

virtual output_pager::~output_pager

(

)

[virtual]

The destructor.

output_pager::output_pager

(

)

[private]

The default constructor. It is private on purpose, use the open class method instead.

output_pager::output_pager

(

const output_pager &

)

[private]

The copy constructor. Do not use.

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Member Function Documentation

static void output_pager::cleanup

(

void

)

[static]

The cleanup class method is called at quit() time to cleanup any output pager than may still be running. This function shall only be called by the quit_action_pager class.

void output_pager::end_of_line_inner

(

void

)

[protected, virtual]

The end_of_line_inner method is used to ensure that the current output position is at the beginning of a line, without taking the buffering into account.

Implements output.

nstring output_pager::filename

(

void

)

const [protected, virtual]

The filename method is used to obtain the filename of this output.

Implements output.

void output_pager::flush_inner

(

void

)

[protected, virtual]

The flush_inner method is called by the flush method once all the data has been written. The default implementation does nothing.

Reimplemented from output.

long output_pager::ftell_inner

(

void

)

const [protected, virtual]

The ftell_inner method is used to determine the current file position, without taking the buffering into account.

Implements output.

static pointer output_pager::open

(

void

)

[static]

The open class method is used to create a paginated output stream if the output is to a terminal, and if the user has not prevented it with a command line option.

output_pager& output_pager::operator=

(

const output_pager &

)

[private]

The assignment operator. Do not use.

void output_pager::pager_error

(

void

)

[private]

void output_pager::pipe_open

(

void

)

[private]

static void output_pager::set	(	int	flag,
		void(*)(void)	usage
	)		[static]

The set class method is used to

Parameters:

flag	The command line flag: 0 means --no-pager, 1 means --pager
usage	The function to call toi print a command line usage message and exit.

nstring output_pager::type_name

(

void

)

const [protected, virtual]

The type_name method is used to determine the name of this output device or file or type.

Implements output.

void output_pager::write_inner	(	const void *	data,
		size_t	length
	)		[protected, virtual]

The write_inner method is used write data to the output, without taking the buffering into account.

Implements output.

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Field Documentation

bool output_pager::bol [private]

Definition at line 95 of file pager.h.

nstring output_pager::pager [private]

Definition at line 94 of file pager.h.

int output_pager::pid [private]

Definition at line 93 of file pager.h.

void* output_pager::vdeeper [private]

Definition at line 92 of file pager.h.

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

• /home/archives/aegis/branch.4/branch.25/delta28933.505/libaegis/output/pager.h