1364b6032a
- Put the data type el_rfunc_t into the public header <histedit.h>. - Make el_read in struct editline an opaque pointer rather than an embedded struct. - Do not include "read.h" everywhere, but only in the two files needing access to el_read, read.c and el.c. - To functions that don't need more, pass the struct el_read_t * rather than the full EditLine *. - Of course, that means that read_init() can now fail from memory exhaustion, but it's easy to clean up after that.
314 lines
9.1 KiB
C
314 lines
9.1 KiB
C
/* $NetBSD: histedit.h,v 1.56 2016/04/19 19:50:53 christos Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Christos Zoulas of Cornell University.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)histedit.h 8.2 (Berkeley) 1/3/94
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*/
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/*
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* histedit.h: Line editor and history interface.
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*/
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#ifndef _HISTEDIT_H_
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#define _HISTEDIT_H_
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#define LIBEDIT_MAJOR 2
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#define LIBEDIT_MINOR 11
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#include <sys/types.h>
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* ==== Editing ====
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*/
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typedef struct editline EditLine;
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/*
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* For user-defined function interface
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*/
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typedef struct lineinfo {
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const char *buffer;
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const char *cursor;
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const char *lastchar;
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} LineInfo;
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/*
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* EditLine editor function return codes.
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* For user-defined function interface
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*/
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#define CC_NORM 0
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#define CC_NEWLINE 1
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#define CC_EOF 2
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#define CC_ARGHACK 3
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#define CC_REFRESH 4
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#define CC_CURSOR 5
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#define CC_ERROR 6
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#define CC_FATAL 7
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#define CC_REDISPLAY 8
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#define CC_REFRESH_BEEP 9
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/*
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* Initialization, cleanup, and resetting
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*/
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EditLine *el_init(const char *, FILE *, FILE *, FILE *);
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EditLine *el_init_fd(const char *, FILE *, FILE *, FILE *,
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int, int, int);
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void el_end(EditLine *);
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void el_reset(EditLine *);
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/*
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* Get a line, a character or push a string back in the input queue
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*/
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const char *el_gets(EditLine *, int *);
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int el_getc(EditLine *, char *);
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void el_push(EditLine *, const char *);
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/*
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* Beep!
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*/
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void el_beep(EditLine *);
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/*
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* High level function internals control
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* Parses argc, argv array and executes builtin editline commands
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*/
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int el_parse(EditLine *, int, const char **);
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/*
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* Low level editline access functions
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*/
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int el_set(EditLine *, int, ...);
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int el_get(EditLine *, int, ...);
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unsigned char _el_fn_complete(EditLine *, int);
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/*
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* el_set/el_get parameters
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*
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* When using el_wset/el_wget (as opposed to el_set/el_get):
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* Char is wchar_t, otherwise it is char.
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* prompt_func is el_wpfunc_t, otherwise it is el_pfunc_t .
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* Prompt function prototypes are:
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* typedef char *(*el_pfunct_t) (EditLine *);
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* typedef wchar_t *(*el_wpfunct_t) (EditLine *);
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*
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* For operations that support set or set/get, the argument types listed are for
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* the "set" operation. For "get", each listed type must be a pointer.
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* E.g. EL_EDITMODE takes an int when set, but an int* when get.
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*
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* Operations that only support "get" have the correct argument types listed.
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*/
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#define EL_PROMPT 0 /* , prompt_func); set/get */
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#define EL_TERMINAL 1 /* , const char *); set/get */
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#define EL_EDITOR 2 /* , const Char *); set/get */
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#define EL_SIGNAL 3 /* , int); set/get */
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#define EL_BIND 4 /* , const Char *, ..., NULL); set */
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#define EL_TELLTC 5 /* , const Char *, ..., NULL); set */
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#define EL_SETTC 6 /* , const Char *, ..., NULL); set */
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#define EL_ECHOTC 7 /* , const Char *, ..., NULL); set */
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#define EL_SETTY 8 /* , const Char *, ..., NULL); set */
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#define EL_ADDFN 9 /* , const Char *, const Char, set */
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/* el_func_t); */
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#define EL_HIST 10 /* , hist_fun_t, const void *); set */
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#define EL_EDITMODE 11 /* , int); set/get */
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#define EL_RPROMPT 12 /* , prompt_func); set/get */
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#define EL_GETCFN 13 /* , el_rfunc_t); set/get */
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#define EL_CLIENTDATA 14 /* , void *); set/get */
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#define EL_UNBUFFERED 15 /* , int); set/get */
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#define EL_PREP_TERM 16 /* , int); set */
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#define EL_GETTC 17 /* , const Char *, ..., NULL); get */
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#define EL_GETFP 18 /* , int, FILE **); get */
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#define EL_SETFP 19 /* , int, FILE *); set */
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#define EL_REFRESH 20 /* , void); set */
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#define EL_PROMPT_ESC 21 /* , prompt_func, Char); set/get */
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#define EL_RPROMPT_ESC 22 /* , prompt_func, Char); set/get */
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#define EL_RESIZE 23 /* , el_zfunc_t, void *); set */
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#define EL_ALIAS_TEXT 24 /* , el_afunc_t, void *); set */
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#define EL_BUILTIN_GETCFN (NULL)
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/*
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* Source named file or $PWD/.editrc or $HOME/.editrc
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*/
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int el_source(EditLine *, const char *);
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/*
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* Must be called when the terminal changes size; If EL_SIGNAL
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* is set this is done automatically otherwise it is the responsibility
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* of the application
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*/
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void el_resize(EditLine *);
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/*
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* User-defined function interface.
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*/
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const LineInfo *el_line(EditLine *);
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int el_insertstr(EditLine *, const char *);
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void el_deletestr(EditLine *, int);
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/*
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* ==== History ====
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*/
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typedef struct history History;
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typedef struct HistEvent {
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int num;
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const char *str;
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} HistEvent;
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/*
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* History access functions.
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*/
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History * history_init(void);
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void history_end(History *);
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int history(History *, HistEvent *, int, ...);
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#define H_FUNC 0 /* , UTSL */
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#define H_SETSIZE 1 /* , const int); */
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#define H_GETSIZE 2 /* , void); */
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#define H_FIRST 3 /* , void); */
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#define H_LAST 4 /* , void); */
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#define H_PREV 5 /* , void); */
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#define H_NEXT 6 /* , void); */
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#define H_CURR 8 /* , const int); */
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#define H_SET 7 /* , int); */
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#define H_ADD 9 /* , const wchar_t *); */
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#define H_ENTER 10 /* , const wchar_t *); */
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#define H_APPEND 11 /* , const wchar_t *); */
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#define H_END 12 /* , void); */
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#define H_NEXT_STR 13 /* , const wchar_t *); */
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#define H_PREV_STR 14 /* , const wchar_t *); */
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#define H_NEXT_EVENT 15 /* , const int); */
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#define H_PREV_EVENT 16 /* , const int); */
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#define H_LOAD 17 /* , const char *); */
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#define H_SAVE 18 /* , const char *); */
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#define H_CLEAR 19 /* , void); */
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#define H_SETUNIQUE 20 /* , int); */
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#define H_GETUNIQUE 21 /* , void); */
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#define H_DEL 22 /* , int); */
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#define H_NEXT_EVDATA 23 /* , const int, histdata_t *); */
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#define H_DELDATA 24 /* , int, histdata_t *);*/
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#define H_REPLACE 25 /* , const char *, histdata_t); */
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#define H_SAVE_FP 26 /* , FILE *); */
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/*
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* ==== Tokenization ====
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*/
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typedef struct tokenizer Tokenizer;
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/*
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* String tokenization functions, using simplified sh(1) quoting rules
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*/
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Tokenizer *tok_init(const char *);
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void tok_end(Tokenizer *);
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void tok_reset(Tokenizer *);
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int tok_line(Tokenizer *, const LineInfo *,
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int *, const char ***, int *, int *);
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int tok_str(Tokenizer *, const char *,
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int *, const char ***);
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/*
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* Begin Wide Character Support
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*/
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#include <wchar.h>
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#include <wctype.h>
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/*
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* ==== Editing ====
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*/
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typedef struct lineinfow {
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const wchar_t *buffer;
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const wchar_t *cursor;
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const wchar_t *lastchar;
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} LineInfoW;
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typedef int (*el_rfunc_t)(EditLine *, wchar_t *);
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const wchar_t *el_wgets(EditLine *, int *);
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int el_wgetc(EditLine *, wchar_t *);
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void el_wpush(EditLine *, const wchar_t *);
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int el_wparse(EditLine *, int, const wchar_t **);
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int el_wset(EditLine *, int, ...);
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int el_wget(EditLine *, int, ...);
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int el_cursor(EditLine *, int);
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const LineInfoW *el_wline(EditLine *);
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int el_winsertstr(EditLine *, const wchar_t *);
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#define el_wdeletestr el_deletestr
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/*
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* ==== History ====
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*/
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typedef struct histeventW {
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int num;
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const wchar_t *str;
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} HistEventW;
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typedef struct historyW HistoryW;
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HistoryW * history_winit(void);
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void history_wend(HistoryW *);
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int history_w(HistoryW *, HistEventW *, int, ...);
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/*
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* ==== Tokenization ====
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*/
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typedef struct tokenizerW TokenizerW;
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/* Wide character tokenizer support */
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TokenizerW *tok_winit(const wchar_t *);
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void tok_wend(TokenizerW *);
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void tok_wreset(TokenizerW *);
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int tok_wline(TokenizerW *, const LineInfoW *,
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int *, const wchar_t ***, int *, int *);
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int tok_wstr(TokenizerW *, const wchar_t *,
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int *, const wchar_t ***);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _HISTEDIT_H_ */
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