freebsd-dev/contrib/libedit/histedit.h
Baptiste Daroussin 96c81c97e4 Readd _el_fn_sh_complete for backward compatibility
This function is not needed anymore, it allows old sh binary to continue
to run and avoid breaking backward compatibility.
Note that is now just calls the regular _el_fn_complete which does a proper
job at quoting.

Discussed with:	jilles
2019-09-11 07:03:17 +00:00

316 lines
9.2 KiB
C

/* $NetBSD: histedit.h,v 1.57 2017/09/01 10:19:10 christos Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Christos Zoulas of Cornell University.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)histedit.h 8.2 (Berkeley) 1/3/94
*/
/*
* histedit.h: Line editor and history interface.
*/
#ifndef _HISTEDIT_H_
#define _HISTEDIT_H_
#define LIBEDIT_MAJOR 2
#define LIBEDIT_MINOR 11
#include <sys/types.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* ==== Editing ====
*/
typedef struct editline EditLine;
/*
* For user-defined function interface
*/
typedef struct lineinfo {
const char *buffer;
const char *cursor;
const char *lastchar;
} LineInfo;
/*
* EditLine editor function return codes.
* For user-defined function interface
*/
#define CC_NORM 0
#define CC_NEWLINE 1
#define CC_EOF 2
#define CC_ARGHACK 3
#define CC_REFRESH 4
#define CC_CURSOR 5
#define CC_ERROR 6
#define CC_FATAL 7
#define CC_REDISPLAY 8
#define CC_REFRESH_BEEP 9
/*
* Initialization, cleanup, and resetting
*/
EditLine *el_init(const char *, FILE *, FILE *, FILE *);
EditLine *el_init_fd(const char *, FILE *, FILE *, FILE *,
int, int, int);
void el_end(EditLine *);
void el_reset(EditLine *);
/*
* Get a line, a character or push a string back in the input queue
*/
const char *el_gets(EditLine *, int *);
int el_getc(EditLine *, char *);
void el_push(EditLine *, const char *);
/*
* Beep!
*/
void el_beep(EditLine *);
/*
* High level function internals control
* Parses argc, argv array and executes builtin editline commands
*/
int el_parse(EditLine *, int, const char **);
/*
* Low level editline access functions
*/
int el_set(EditLine *, int, ...);
int el_get(EditLine *, int, ...);
unsigned char _el_fn_complete(EditLine *, int);
unsigned char _el_fn_sh_complete(EditLine *, int);
/*
* el_set/el_get parameters
*
* When using el_wset/el_wget (as opposed to el_set/el_get):
* Char is wchar_t, otherwise it is char.
* prompt_func is el_wpfunc_t, otherwise it is el_pfunc_t .
* Prompt function prototypes are:
* typedef char *(*el_pfunct_t) (EditLine *);
* typedef wchar_t *(*el_wpfunct_t) (EditLine *);
*
* For operations that support set or set/get, the argument types listed are for
* the "set" operation. For "get", each listed type must be a pointer.
* E.g. EL_EDITMODE takes an int when set, but an int* when get.
*
* Operations that only support "get" have the correct argument types listed.
*/
#define EL_PROMPT 0 /* , prompt_func); set/get */
#define EL_TERMINAL 1 /* , const char *); set/get */
#define EL_EDITOR 2 /* , const Char *); set/get */
#define EL_SIGNAL 3 /* , int); set/get */
#define EL_BIND 4 /* , const Char *, ..., NULL); set */
#define EL_TELLTC 5 /* , const Char *, ..., NULL); set */
#define EL_SETTC 6 /* , const Char *, ..., NULL); set */
#define EL_ECHOTC 7 /* , const Char *, ..., NULL); set */
#define EL_SETTY 8 /* , const Char *, ..., NULL); set */
#define EL_ADDFN 9 /* , const Char *, const Char, set */
/* el_func_t); */
#define EL_HIST 10 /* , hist_fun_t, const void *); set */
#define EL_EDITMODE 11 /* , int); set/get */
#define EL_RPROMPT 12 /* , prompt_func); set/get */
#define EL_GETCFN 13 /* , el_rfunc_t); set/get */
#define EL_CLIENTDATA 14 /* , void *); set/get */
#define EL_UNBUFFERED 15 /* , int); set/get */
#define EL_PREP_TERM 16 /* , int); set */
#define EL_GETTC 17 /* , const Char *, ..., NULL); get */
#define EL_GETFP 18 /* , int, FILE **); get */
#define EL_SETFP 19 /* , int, FILE *); set */
#define EL_REFRESH 20 /* , void); set */
#define EL_PROMPT_ESC 21 /* , prompt_func, Char); set/get */
#define EL_RPROMPT_ESC 22 /* , prompt_func, Char); set/get */
#define EL_RESIZE 23 /* , el_zfunc_t, void *); set */
#define EL_ALIAS_TEXT 24 /* , el_afunc_t, void *); set */
#define EL_BUILTIN_GETCFN (NULL)
/*
* Source named file or $PWD/.editrc or $HOME/.editrc
*/
int el_source(EditLine *, const char *);
/*
* Must be called when the terminal changes size; If EL_SIGNAL
* is set this is done automatically otherwise it is the responsibility
* of the application
*/
void el_resize(EditLine *);
/*
* User-defined function interface.
*/
const LineInfo *el_line(EditLine *);
int el_insertstr(EditLine *, const char *);
void el_deletestr(EditLine *, int);
/*
* ==== History ====
*/
typedef struct history History;
typedef struct HistEvent {
int num;
const char *str;
} HistEvent;
/*
* History access functions.
*/
History * history_init(void);
void history_end(History *);
int history(History *, HistEvent *, int, ...);
#define H_FUNC 0 /* , UTSL */
#define H_SETSIZE 1 /* , const int); */
#define H_GETSIZE 2 /* , void); */
#define H_FIRST 3 /* , void); */
#define H_LAST 4 /* , void); */
#define H_PREV 5 /* , void); */
#define H_NEXT 6 /* , void); */
#define H_CURR 8 /* , const int); */
#define H_SET 7 /* , int); */
#define H_ADD 9 /* , const wchar_t *); */
#define H_ENTER 10 /* , const wchar_t *); */
#define H_APPEND 11 /* , const wchar_t *); */
#define H_END 12 /* , void); */
#define H_NEXT_STR 13 /* , const wchar_t *); */
#define H_PREV_STR 14 /* , const wchar_t *); */
#define H_NEXT_EVENT 15 /* , const int); */
#define H_PREV_EVENT 16 /* , const int); */
#define H_LOAD 17 /* , const char *); */
#define H_SAVE 18 /* , const char *); */
#define H_CLEAR 19 /* , void); */
#define H_SETUNIQUE 20 /* , int); */
#define H_GETUNIQUE 21 /* , void); */
#define H_DEL 22 /* , int); */
#define H_NEXT_EVDATA 23 /* , const int, histdata_t *); */
#define H_DELDATA 24 /* , int, histdata_t *);*/
#define H_REPLACE 25 /* , const char *, histdata_t); */
#define H_SAVE_FP 26 /* , FILE *); */
#define H_NSAVE_FP 27 /* , size_t, FILE *); */
/*
* ==== Tokenization ====
*/
typedef struct tokenizer Tokenizer;
/*
* String tokenization functions, using simplified sh(1) quoting rules
*/
Tokenizer *tok_init(const char *);
void tok_end(Tokenizer *);
void tok_reset(Tokenizer *);
int tok_line(Tokenizer *, const LineInfo *,
int *, const char ***, int *, int *);
int tok_str(Tokenizer *, const char *,
int *, const char ***);
/*
* Begin Wide Character Support
*/
#include <wchar.h>
#include <wctype.h>
/*
* ==== Editing ====
*/
typedef struct lineinfow {
const wchar_t *buffer;
const wchar_t *cursor;
const wchar_t *lastchar;
} LineInfoW;
typedef int (*el_rfunc_t)(EditLine *, wchar_t *);
const wchar_t *el_wgets(EditLine *, int *);
int el_wgetc(EditLine *, wchar_t *);
void el_wpush(EditLine *, const wchar_t *);
int el_wparse(EditLine *, int, const wchar_t **);
int el_wset(EditLine *, int, ...);
int el_wget(EditLine *, int, ...);
int el_cursor(EditLine *, int);
const LineInfoW *el_wline(EditLine *);
int el_winsertstr(EditLine *, const wchar_t *);
#define el_wdeletestr el_deletestr
/*
* ==== History ====
*/
typedef struct histeventW {
int num;
const wchar_t *str;
} HistEventW;
typedef struct historyW HistoryW;
HistoryW * history_winit(void);
void history_wend(HistoryW *);
int history_w(HistoryW *, HistEventW *, int, ...);
/*
* ==== Tokenization ====
*/
typedef struct tokenizerW TokenizerW;
/* Wide character tokenizer support */
TokenizerW *tok_winit(const wchar_t *);
void tok_wend(TokenizerW *);
void tok_wreset(TokenizerW *);
int tok_wline(TokenizerW *, const LineInfoW *,
int *, const wchar_t ***, int *, int *);
int tok_wstr(TokenizerW *, const wchar_t *,
int *, const wchar_t ***);
#ifdef __cplusplus
}
#endif
#endif /* _HISTEDIT_H_ */