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| /* $NetBSD: histedit.h,v 1.56 2016/04/19 19:50:53 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);
/*
* 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 *); */
/*
* ==== 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_ */
|