src/lib/editline/editline.c File Reference

#include "editline.h"
#include <signal.h>
#include <errno.h>
#include <ctype.h>

Go to the source code of this file.

Classes
struct	_KEYMAP
struct	_HISTORY
Defines
#define	SCREEN_WIDTH   80
#define	SCREEN_ROWS   24
#define	NO_ARG   (-1)
#define	DEL   127
#define	CTL(x)   ((x) & 0x1F)
#define	ISCTL(x)   ((x) && (x) < ' ')
#define	UNCTL(x)   ((x) + 64)
#define	META(x)   ((x) | 0x80)
#define	ISMETA(x)   ((x) & 0x80)
#define	UNMETA(x)   ((x) & 0x7F)
#define	HIST_SIZE   20
#define	TTYback()   (backspace ? TTYputs((CHAR *)backspace) : TTYput('\b'))
Typedefs
typedef enum _STATUS	STATUS
typedef enum _CASE	CASE
typedef struct _KEYMAP	KEYMAP
typedef struct _HISTORY	HISTORY
Enumerations
enum	_STATUS {   CSdone, CSeof, CSmove, CSdispatch,   CSstay, CSsignal }
enum	_CASE { TOupper, TOlower }
Functions
STATIC CHAR *	editinput ()
int	read ()
int	write ()
STATIC void	TTYflush ()
STATIC void	TTYput (CHAR c)
STATIC void	TTYputs (CHAR *p)
STATIC void	TTYshow (CHAR c)
STATIC void	TTYstring (CHAR *p)
STATIC unsigned int	TTYget ()
STATIC void	TTYbackn (int n)
STATIC void	TTYinfo ()
STATIC void	columns (int ac, CHAR **av)
STATIC void	reposition ()
STATIC void	left (STATUS Change)
STATIC void	right (STATUS Change)
STATIC STATUS	ring_bell ()
STATIC STATUS	do_macro (unsigned int c)
STATIC STATUS	do_forward (STATUS move)
STATIC STATUS	do_case (CASE type)
STATIC STATUS	case_down_word ()
STATIC STATUS	case_up_word ()
STATIC void	ceol ()
STATIC void	clear_line ()
STATIC STATUS	insert_string (CHAR *p)
STATIC STATUS	redisplay ()
STATIC STATUS	toggle_meta_mode ()
STATIC CHAR *	next_hist ()
STATIC CHAR *	prev_hist ()
STATIC STATUS	do_insert_hist (CHAR *p)
STATIC STATUS	do_hist (CHAR *(*move)())
STATIC STATUS	h_next ()
STATIC STATUS	h_prev ()
STATIC STATUS	h_first ()
STATIC STATUS	h_last ()
STATIC int	substrcmp (char *text, char *pat, int len)
STATIC CHAR *	search_hist (CHAR *search, CHAR *(*move)())
STATIC STATUS	h_search ()
STATIC STATUS	fd_char ()
STATIC void	save_yank (int begin, int i)
STATIC STATUS	delete_string (int count)
STATIC STATUS	bk_char ()
STATIC STATUS	bk_del_char ()
STATIC STATUS	kill_line ()
STATIC STATUS	insert_char (int c)
STATIC STATUS	meta ()
STATIC STATUS	emacs (unsigned int c)
STATIC STATUS	TTYspecial (unsigned int c)
STATIC void	hist_add (CHAR *p)
void	rl_reset_terminal (char *p)
void	rl_initialize ()
char *	readline (CONST char *prompt)
void	add_history (char *p)
STATIC STATUS	beg_line ()
STATIC STATUS	del_char ()
STATIC STATUS	end_line ()
STATIC CHAR *	find_word ()
STATIC STATUS	c_possible ()
STATIC STATUS	c_complete ()
STATIC STATUS	accept_line ()
STATIC STATUS	transpose ()
STATIC STATUS	quote ()
STATIC STATUS	wipe ()
STATIC STATUS	mk_set ()
STATIC STATUS	exchange ()
STATIC STATUS	yank ()
STATIC STATUS	copy_region ()
STATIC STATUS	move_to_char ()
STATIC STATUS	fd_word ()
STATIC STATUS	fd_kill_word ()
STATIC STATUS	bk_word ()
STATIC STATUS	bk_kill_word ()
STATIC int	argify (CHAR *line, CHAR ***avp)
STATIC STATUS	last_argument ()
Variables
int	rl_eof
int	rl_erase
int	rl_intr
int	rl_kill
int	rl_quit
STATIC CHAR	NIL [] = ""
STATIC CONST CHAR *	Input = NIL
STATIC CHAR *	Line
STATIC CONST char *	Prompt
STATIC CHAR *	Yanked
STATIC char *	Screen
STATIC char	NEWLINE [] = CRLF
STATIC HISTORY	H
STATIC int	Repeat
STATIC int	End
STATIC int	Mark
STATIC int	OldPoint
STATIC int	Point
STATIC int	PushBack
STATIC int	Pushed
STATIC int	Signal
FORWARD KEYMAP	Map [33]
FORWARD KEYMAP	MetaMap [17]
STATIC SIZE_T	Length
STATIC SIZE_T	ScreenCount
STATIC SIZE_T	ScreenSize
STATIC char *	backspace
STATIC int	TTYwidth
STATIC int	TTYrows
int	rl_meta_chars = 0
STATIC char	SEPS [] = "\"#$&'()*:;<=>?[\\]^`{|}~\n\t "

---

Define Documentation

#define CTL

(

x

)

((x) & 0x1F)

Definition at line 17 of file editline.c.

#define DEL   127

Definition at line 16 of file editline.c.

#define HIST_SIZE   20

Definition at line 24 of file editline.c.

#define ISCTL

(

x

)

((x) && (x) < ' ')

Definition at line 18 of file editline.c.

#define ISMETA

(

x

)

((x) & 0x80)

Definition at line 21 of file editline.c.

#define META

(

x

)

((x) | 0x80)

Definition at line 20 of file editline.c.

#define NO_ARG   (-1)

Definition at line 15 of file editline.c.

#define SCREEN_ROWS   24

Definition at line 14 of file editline.c.

#define SCREEN_WIDTH   80

Definition at line 13 of file editline.c.

 

#define TTYback

(

)

(backspace ? TTYputs((CHAR *)backspace) : TTYput('\b'))

Definition at line 188 of file editline.c.

#define UNCTL

(

x

)

((x) + 64)

Definition at line 19 of file editline.c.

#define UNMETA

(

x

)

((x) & 0x7F)

Definition at line 22 of file editline.c.

---

Typedef Documentation

typedef enum _CASE CASE

typedef struct _HISTORY HISTORY

typedef struct _KEYMAP KEYMAP

typedef enum _STATUS STATUS

---

Enumeration Type Documentation

enum _CASE

Enumerator:

TOupper
TOlower

Definition at line 37 of file editline.c.

enum _STATUS

Enumerator:

CSdone
CSeof
CSmove
CSdispatch
CSstay
CSsignal

Definition at line 30 of file editline.c.

---

Function Documentation

STATIC STATUS accept_line

(

)

Definition at line 1182 of file editline.c.

void add_history

(

char *

p

)

Definition at line 1038 of file editline.c.

STATIC int argify	(	CHAR *	line,
		CHAR ***	avp
	)

Definition at line 1345 of file editline.c.

STATIC STATUS beg_line

(

)

Definition at line 1057 of file editline.c.

STATIC STATUS bk_char

(

)

Definition at line 740 of file editline.c.

STATIC STATUS bk_del_char

(

)

Definition at line 755 of file editline.c.

STATIC STATUS bk_kill_word

(

)

Definition at line 1336 of file editline.c.

STATIC STATUS bk_word

(

)

Definition at line 1315 of file editline.c.

STATIC STATUS c_complete

(

)

Definition at line 1143 of file editline.c.

STATIC STATUS c_possible

(

)

Definition at line 1122 of file editline.c.

STATIC STATUS case_down_word

(

)

Definition at line 409 of file editline.c.

STATIC STATUS case_up_word

(

)

Definition at line 415 of file editline.c.

STATIC void ceol

(

)

Definition at line 421 of file editline.c.

STATIC void clear_line

(

)

Definition at line 445 of file editline.c.

STATIC void columns	(	int	ac,
		CHAR **	av
	)

Definition at line 258 of file editline.c.

STATIC STATUS copy_region

(

)

Definition at line 1264 of file editline.c.

STATIC STATUS del_char

(

)

Definition at line 1067 of file editline.c.

STATIC STATUS delete_string

(

int

count

)

Definition at line 697 of file editline.c.

STATIC STATUS do_case

(

CASE

type

)

Definition at line 380 of file editline.c.

STATIC STATUS do_forward

(

STATUS

move

)

Definition at line 355 of file editline.c.

STATIC STATUS do_hist

(

CHAR *(*)()

move

)

Definition at line 530 of file editline.c.

STATIC STATUS do_insert_hist

(

CHAR *

p

)

Definition at line 517 of file editline.c.

STATIC STATUS do_macro

(

unsigned int

c

)

Definition at line 337 of file editline.c.

STATIC CHAR * editinput

(

)

Definition at line 915 of file editline.c.

STATIC STATUS emacs

(

unsigned int

c

)

Definition at line 861 of file editline.c.

STATIC STATUS end_line

(

)

Definition at line 1073 of file editline.c.

STATIC STATUS exchange

(

)

Definition at line 1240 of file editline.c.

STATIC STATUS fd_char

(

)

Definition at line 664 of file editline.c.

STATIC STATUS fd_kill_word

(

)

Definition at line 1301 of file editline.c.

STATIC STATUS fd_word

(

)

Definition at line 1295 of file editline.c.

STATIC CHAR* find_word

(

)

Definition at line 1089 of file editline.c.

STATIC STATUS h_first

(

)

Definition at line 557 of file editline.c.

STATIC STATUS h_last

(

)

Definition at line 563 of file editline.c.

STATIC STATUS h_next

(

)

Definition at line 545 of file editline.c.

STATIC STATUS h_prev

(

)

Definition at line 551 of file editline.c.

STATIC STATUS h_search

(

)

Definition at line 629 of file editline.c.

STATIC void hist_add

(

CHAR *

p

)

Definition at line 958 of file editline.c.

STATIC STATUS insert_char

(

int

c

)

Definition at line 796 of file editline.c.

STATIC STATUS insert_string

(

CHAR *

p

)

Definition at line 456 of file editline.c.

STATIC STATUS kill_line

(

)

Definition at line 770 of file editline.c.

STATIC STATUS last_argument

(

)

Definition at line 1391 of file editline.c.

STATIC void left

(

STATUS

Change

)

Definition at line 303 of file editline.c.

STATIC STATUS meta

(

)

Definition at line 823 of file editline.c.

STATIC STATUS mk_set

(

)

Definition at line 1233 of file editline.c.

STATIC STATUS move_to_char

(

)

Definition at line 1278 of file editline.c.

STATIC CHAR* next_hist

(

)

Definition at line 505 of file editline.c.

STATIC CHAR* prev_hist

(

)

Definition at line 511 of file editline.c.

STATIC STATUS quote

(

)

Definition at line 1207 of file editline.c.

int read

(

)

char* readline

(

CONST char *

prompt

)

Definition at line 992 of file editline.c.

STATIC STATUS redisplay

(

)

Definition at line 488 of file editline.c.

STATIC void reposition

(

)

Definition at line 291 of file editline.c.

STATIC void right

(

STATUS

Change

)

Definition at line 320 of file editline.c.

STATIC STATUS ring_bell

(

)

Definition at line 329 of file editline.c.

void rl_initialize

(

)

Definition at line 987 of file editline.c.

void rl_reset_terminal

(

char *

p

)

Definition at line 981 of file editline.c.

STATIC void save_yank	(	int	begin,
		int	i
	)

Definition at line 678 of file editline.c.

STATIC CHAR* search_hist	(	CHAR *	search,
		CHAR *(*)()	move
	)

Definition at line 588 of file editline.c.

STATIC int substrcmp	(	char *	text,
		char *	pat,
		int	len
	)

Definition at line 572 of file editline.c.

STATIC STATUS toggle_meta_mode

(

)

Definition at line 497 of file editline.c.

STATIC STATUS transpose

(

)

Definition at line 1189 of file editline.c.

STATIC void TTYbackn

(

int

n

)

Definition at line 191 of file editline.c.

STATIC void TTYflush

(

)

Definition at line 112 of file editline.c.

STATIC unsigned int TTYget

(

)

Definition at line 169 of file editline.c.

STATIC void TTYinfo

(

)

Definition at line 199 of file editline.c.

STATIC void TTYput

(

CHAR

c

)

Definition at line 121 of file editline.c.

STATIC void TTYputs

(

CHAR *

p

)

Definition at line 132 of file editline.c.

STATIC void TTYshow

(

CHAR

c

)

Definition at line 140 of file editline.c.

STATIC STATUS TTYspecial

(

unsigned int

c

)

Definition at line 884 of file editline.c.

STATIC void TTYstring

(

CHAR *

p

)

Definition at line 161 of file editline.c.

STATIC STATUS wipe

(

)

Definition at line 1215 of file editline.c.

int write

(

)

STATIC STATUS yank

(

)

Definition at line 1256 of file editline.c.

---

Variable Documentation

STATIC char* backspace

Definition at line 88 of file editline.c.

STATIC int End

Definition at line 76 of file editline.c.

STATIC HISTORY H

Definition at line 74 of file editline.c.

STATIC CONST CHAR* Input = NIL

Definition at line 68 of file editline.c.

STATIC SIZE_T Length

Definition at line 85 of file editline.c.

STATIC CHAR* Line

Definition at line 69 of file editline.c.

STATIC KEYMAP Map

Definition at line 83 of file editline.c.

STATIC int Mark

Definition at line 77 of file editline.c.

STATIC KEYMAP MetaMap

Initial value:

 {
    {   CTL('H'),       wipe            },
    {   DEL,            wipe            },
    {   ' ',            mk_set          },
    {   '.',            last_argument   },
    {   '<',            h_first         },
    {   '>',            h_last          },
    {   '?',            c_possible      },
    {   'b',            bk_word         },
    {   'd',            fd_kill_word    },
    {   'f',            fd_word         },
    {   'l',            case_down_word  },
    {   'm',            toggle_meta_mode },
    {   'u',            case_up_word    },
    {   'y',            yank            },
    {   'w',            copy_region     },
    {   0,              NULL            }
}

Definition at line 84 of file editline.c.

STATIC char NEWLINE[] = CRLF

Definition at line 73 of file editline.c.

STATIC CHAR NIL[] = ""

Definition at line 67 of file editline.c.

STATIC int OldPoint

Definition at line 78 of file editline.c.

STATIC int Point

Definition at line 79 of file editline.c.

STATIC CONST char* Prompt

Definition at line 70 of file editline.c.

STATIC int PushBack

Definition at line 80 of file editline.c.

STATIC int Pushed

Definition at line 81 of file editline.c.

STATIC int Repeat

Definition at line 75 of file editline.c.

int rl_eof

Definition at line 61 of file editline.c.

int rl_erase

Definition at line 62 of file editline.c.

int rl_intr

Definition at line 63 of file editline.c.

int rl_kill

Definition at line 64 of file editline.c.

int rl_meta_chars = 0

Definition at line 93 of file editline.c.

int rl_quit

Definition at line 65 of file editline.c.

STATIC char* Screen

Definition at line 72 of file editline.c.

STATIC SIZE_T ScreenCount

Definition at line 86 of file editline.c.

STATIC SIZE_T ScreenSize

Definition at line 87 of file editline.c.

STATIC char SEPS[] = "\"#$&'()*:;<=>?[\\]^`{|}~\n\t "

Definition at line 1082 of file editline.c.

STATIC int Signal

Definition at line 82 of file editline.c.

STATIC int TTYrows

Definition at line 90 of file editline.c.

STATIC int TTYwidth

Definition at line 89 of file editline.c.

STATIC CHAR* Yanked

Definition at line 71 of file editline.c.