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Diffstat (limited to 'lib/libedit/histedit.h')
-rw-r--r-- | lib/libedit/histedit.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/lib/libedit/histedit.h b/lib/libedit/histedit.h new file mode 100644 index 0000000..f245748 --- /dev/null +++ b/lib/libedit/histedit.h @@ -0,0 +1,242 @@ +/*- + * 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 + * $NetBSD: histedit.h,v 1.32 2007/06/10 20:20:28 christos Exp $ + * $FreeBSD$ + */ + +/* + * histedit.h: Line editor and history interface. + */ +#ifndef _HISTEDIT_H_ +#define _HISTEDIT_H_ + +#include <sys/types.h> +#include <stdio.h> + +__BEGIN_DECLS +#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 *); +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 + */ +#define EL_PROMPT 0 /* , el_pfunc_t); */ +#define EL_TERMINAL 1 /* , const char *); */ +#define EL_EDITOR 2 /* , const char *); */ +#define EL_SIGNAL 3 /* , int); */ +#define EL_BIND 4 /* , const char *, ..., NULL); */ +#define EL_TELLTC 5 /* , const char *, ..., NULL); */ +#define EL_SETTC 6 /* , const char *, ..., NULL); */ +#define EL_ECHOTC 7 /* , const char *, ..., NULL); */ +#define EL_SETTY 8 /* , const char *, ..., NULL); */ +#define EL_ADDFN 9 /* , const char *, const char * */ + /* , el_func_t); */ +#define EL_HIST 10 /* , hist_fun_t, const char *); */ +#define EL_EDITMODE 11 /* , int); */ +#define EL_RPROMPT 12 /* , el_pfunc_t); */ +#define EL_GETCFN 13 /* , el_rfunc_t); */ +#define EL_CLIENTDATA 14 /* , void *); */ +#define EL_UNBUFFERED 15 /* , int); */ +#define EL_PREP_TERM 16 /* , int); */ +#define EL_GETTC 17 /* , const char *, ..., NULL); */ +#define EL_GETFP 18 /* , int, FILE **) */ +#define EL_SETFP 19 /* , int, FILE *) */ +#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_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 *); + + +/* + * Set user private data. + */ +void el_data_set __P((EditLine *, void *)); +void * el_data_get __P((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_EVENT 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 char *); */ +#define H_ENTER 10 /* , const char *); */ +#define H_APPEND 11 /* , const char *); */ +#define H_END 12 /* , void); */ +#define H_NEXT_STR 13 /* , const char *); */ +#define H_PREV_STR 14 /* , const char *); */ +#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); */ + + +/* + * ==== 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 ***); + +__END_DECLS +#ifdef __cplusplus +} +#endif + +#endif /* _HISTEDIT_H_ */ |