#include <fstream>
#include <iostream>
#include <string>
#include "cmd-edit.h"
#include "oct-env.h"
#include "singleton-cleanup.h"
#include "defaults.h"
#include "defun.h"
#include "error.h"
#include "gripes.h"
#include "input.h"
#include "oct-obj.h"
#include "pager.h"
#include "procstream.h"
#include "sighandlers.h"
#include "unwind-prot.h"
#include "utils.h"
#include "variables.h"

Include dependency graph for pager.cc:

Functions
static void	clear_external_pager (void)
static void	close_diary_file (void)
static std::string	default_pager (void)
	DEFUN (PAGER, args, nargout,"-- texinfo --\n\ @deftypefn {Built-in Function} {@var{val} =} PAGER ()\n\ @deftypefnx {Built-in Function} {@var{old_val} =} PAGER (@var{new_val})\n\ @deftypefnx {Built-in Function} {} PAGER (@var{new_val}, \"local\")\n\ Query or set the internal variable that specifies the program to use\n\ to display terminal output on your system. The default value is\n\ normally @code{\"less\"}, @code{\"more\"}, or\n\ @code{\"pg\"}, depending on what programs are installed on your system.\n\ @xref{Installation}.\n\ \n\ When called from inside a function with the \"local\" option, the variable is\n\ changed locally for the function and any subroutines it calls. The original\n\ variable value is restored when exiting the function.\n\ @seealso{more, page_screen_output, page_output_immediately, PAGER_FLAGS}\n\ @end deftypefn")
	DEFUN (PAGER_FLAGS, args, nargout,"-- texinfo --\n\ @deftypefn {Built-in Function} {@var{val} =} PAGER_FLAGS ()\n\ @deftypefnx {Built-in Function} {@var{old_val} =} PAGER_FLAGS (@var{new_val})\n\ @deftypefnx {Built-in Function} {} PAGER_FLAGS (@var{new_val}, \"local\")\n\ Query or set the internal variable that specifies the options to pass\n\ to the pager.\n\ \n\ When called from inside a function with the \"local\" option, the variable is\n\ changed locally for the function and any subroutines it calls. The original\n\ variable value is restored when exiting the function.\n\ @seealso{PAGER}\n\ @end deftypefn")
	DEFUN (diary, args,,"-- texinfo --\n\ @deftypefn {Command} {} diary options\n\ Record a list of all commands @emph{and} the output they produce, mixed\n\ together just as you see them on your terminal. Valid options are:\n\ \n\ @table @code\n\ @item on\n\ Start recording your session in a file called @file{diary} in your\n\ current working directory.\n\ \n\ @item off\n\ Stop recording your session in the diary file.\n\ \n\ @item @var{file}\n\ Record your session in the file named @var{file}.\n\ @end table\n\ \n\ With no arguments, @code{diary} toggles the current diary state.\n\ @end deftypefn")
	DEFUN (more, args,,"-- texinfo --\n\ @deftypefn {Command} {} more\n\ @deftypefnx {Command} {} more on\n\ @deftypefnx {Command} {} more off\n\ Turn output pagination on or off. Without an argument, @code{more}\n\ toggles the current state.\n\ The current state can be determined via @code{page_screen_output}.\n\ @end deftypefn")
	DEFUN (terminal_size,,,"-- texinfo --\n\ @deftypefn {Built-in Function} {} terminal_size ()\n\ Return a two-element row vector containing the current size of the\n\ terminal window in characters (rows and columns).\n\ @seealso{list_in_columns}\n\ @end deftypefn")
	DEFUN (page_output_immediately, args, nargout,"-- texinfo --\n\ @deftypefn {Built-in Function} {@var{val} =} page_output_immediately ()\n\ @deftypefnx {Built-in Function} {@var{old_val} =} page_output_immediately (@var{new_val})\n\ @deftypefnx {Built-in Function} {} page_output_immediately (@var{new_val}, \"local\")\n\ Query or set the internal variable that controls whether Octave sends\n\ output to the pager as soon as it is available. Otherwise, Octave\n\ buffers its output and waits until just before the prompt is printed to\n\ flush it to the pager.\n\ \n\ When called from inside a function with the \"local\" option, the variable is\n\ changed locally for the function and any subroutines it calls. The original\n\ variable value is restored when exiting the function.\n\ @end deftypefn")
	DEFUN (page_screen_output, args, nargout,"-- texinfo --\n\ @deftypefn {Built-in Function} {@var{val} =} page_screen_output ()\n\ @deftypefnx {Built-in Function} {@var{old_val} =} page_screen_output (@var{new_val})\n\ @deftypefnx {Built-in Function} {} page_screen_output (@var{new_val}, \"local\")\n\ Query or set the internal variable that controls whether output intended\n\ for the terminal window that is longer than one page is sent through a\n\ pager. This allows you to view one screenful at a time. Some pagers\n\ (such as @code{less}---see @ref{Installation}) are also capable of moving\n\ backward on the output.\n\ \n\ When called from inside a function with the \"local\" option, the variable is\n\ changed locally for the function and any subroutines it calls. The original\n\ variable value is restored when exiting the function.\n\ @end deftypefn")
static void	do_sync (const char *msg, int len, bool bypass_pager)
void	flush_octave_stdout (void)
static bool	more_than_a_screenful (const char *s, int len)
static void	open_diary_file (void)
static std::string	pager_command (void)
static bool	pager_event_handler (pid_t pid, int status)
Variables
static std::string	diary_file
static std::ofstream	external_diary_file
static oprocstream *	external_pager = 0
static bool	flushing_output_to_pager = false
static bool	really_flush_to_pager = false
static bool	Vpage_output_immediately = false
static bool	Vpage_screen_output = true
static std::string	VPAGER = default_pager ()
static std::string	VPAGER_FLAGS
static bool	write_to_diary_file = false