mirror of https://github.com/GnoConsortium/gno.git
173 lines
5.1 KiB
C
173 lines
5.1 KiB
C
/*-
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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 _h_editline
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#define _h_editline
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#include <sys/types.h>
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#include <stdio.h>
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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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/*
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* Initialization, cleanup, and resetting
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*/
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EditLine *el_init __P((const char *, FILE *, FILE *));
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void el_reset __P((EditLine *));
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void el_end __P((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 __P((EditLine *, int *));
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int el_getc __P((EditLine *, char *));
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void el_push __P((EditLine *, const char *));
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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 __P((EditLine *, int, char **));
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/*
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* Low level editline access function
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*/
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int el_set __P((EditLine *, int, ...));
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/*
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* el_set/el_get parameters
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*/
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#define EL_PROMPT 0 /* , el_pfunc_t); */
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#define EL_TERMINAL 1 /* , const char *); */
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#define EL_EDITOR 2 /* , const char *); */
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#define EL_SIGNAL 3 /* , int); */
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#define EL_BIND 4 /* , const char *, ..., NULL); */
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#define EL_TELLTC 5 /* , const char *, ..., NULL); */
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#define EL_SETTC 6 /* , const char *, ..., NULL); */
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#define EL_ECHOTC 7 /* , const char *, ..., NULL); */
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#define EL_SETTY 8 /* , const char *, ..., NULL); */
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#define EL_ADDFN 9 /* , const char *, const char * */
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/* , el_func_t); */
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#define EL_HIST 10 /* , hist_fun_t, const char *); */
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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 __P((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 __P((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 __P((EditLine *));
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int el_insertstr __P((EditLine *, char *));
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void el_deletestr __P((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 __P((void));
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void history_end __P((History *));
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__const HistEvent * history __P((History *, int, ...));
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#define H_FUNC 0 /* , UTSL */
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#define H_EVENT 1 /* , const int); */
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#define H_FIRST 2 /* , void); */
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#define H_LAST 3 /* , void); */
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#define H_PREV 4 /* , void); */
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#define H_NEXT 5 /* , void); */
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#define H_CURR 6 /* , void); */
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#define H_ADD 7 /* , const char*); */
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#define H_ENTER 8 /* , const char*); */
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#define H_END 9 /* , void); */
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#define H_NEXT_STR 10 /* , const char*); */
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#define H_PREV_STR 11 /* , const char*); */
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#define H_NEXT_EVENT 12 /* , const int); */
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#define H_PREV_EVENT 13 /* , const int); */
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#endif /* _h_editline */
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