| /* $NetBSD: el.h,v 1.25 2011/07/29 23:44:44 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. |
| * |
| * @(#)el.h 8.1 (Berkeley) 6/4/93 |
| */ |
| |
| /* |
| * el.h: Internal structures. |
| */ |
| #ifndef _h_el |
| #define _h_el |
| /* |
| * Local defaults |
| */ |
| #define KSHVI |
| #define VIDEFAULT |
| #define ANCHOR |
| |
| #include "histedit.h" |
| #include "chartype.h" |
| #include <stdio.h> |
| #include <sys/types.h> |
| |
| #define EL_BUFSIZ ((size_t)1024) /* Maximum line size */ |
| |
| #define HANDLE_SIGNALS 0x01 |
| #define NO_TTY 0x02 |
| #define EDIT_DISABLED 0x04 |
| #define UNBUFFERED 0x08 |
| #define CHARSET_IS_UTF8 0x10 |
| #define IGNORE_EXTCHARS 0x20 /* Ignore characters read > 0xff */ |
| #define NARROW_HISTORY 0x40 |
| #define NARROW_READ 0x80 |
| |
| typedef int bool_t; /* True or not */ |
| |
| typedef unsigned char el_action_t; /* Index to command array */ |
| |
| typedef struct coord_t { /* Position on the screen */ |
| int h; |
| int v; |
| } coord_t; |
| |
| typedef struct el_line_t { |
| Char *buffer; /* Input line */ |
| Char *cursor; /* Cursor position */ |
| Char *lastchar; /* Last character */ |
| const Char *limit; /* Max position */ |
| } el_line_t; |
| |
| /* |
| * Editor state |
| */ |
| typedef struct el_state_t { |
| int inputmode; /* What mode are we in? */ |
| int doingarg; /* Are we getting an argument? */ |
| int argument; /* Numeric argument */ |
| int metanext; /* Is the next char a meta char */ |
| el_action_t lastcmd; /* Previous command */ |
| el_action_t thiscmd; /* this command */ |
| Char thisch; /* char that generated it */ |
| } el_state_t; |
| |
| /* |
| * Until we come up with something better... |
| */ |
| #define el_malloc(a) malloc(a) |
| #define el_realloc(a,b) realloc(a, b) |
| #define el_free(a) free(a) |
| |
| #include "tty.h" |
| #include "prompt.h" |
| #include "keymacro.h" |
| #include "terminal.h" |
| #include "refresh.h" |
| #include "chared.h" |
| #include "common.h" |
| #include "search.h" |
| #include "hist.h" |
| #include "map.h" |
| #include "parse.h" |
| #include "sig.h" |
| #include "help.h" |
| #include "read.h" |
| |
| struct editline { |
| Char *el_prog; /* the program name */ |
| FILE *el_infile; /* Stdio stuff */ |
| FILE *el_outfile; /* Stdio stuff */ |
| FILE *el_errfile; /* Stdio stuff */ |
| int el_infd; /* Input file descriptor */ |
| int el_outfd; /* Output file descriptor */ |
| int el_errfd; /* Error file descriptor */ |
| int el_flags; /* Various flags. */ |
| int el_errno; /* Local copy of errno */ |
| coord_t el_cursor; /* Cursor location */ |
| Char **el_display; /* Real screen image = what is there */ |
| Char **el_vdisplay; /* Virtual screen image = what we see */ |
| void *el_data; /* Client data */ |
| el_line_t el_line; /* The current line information */ |
| el_state_t el_state; /* Current editor state */ |
| el_terminal_t el_terminal; /* Terminal dependent stuff */ |
| el_tty_t el_tty; /* Tty dependent stuff */ |
| el_refresh_t el_refresh; /* Refresh stuff */ |
| el_prompt_t el_prompt; /* Prompt stuff */ |
| el_prompt_t el_rprompt; /* Prompt stuff */ |
| el_chared_t el_chared; /* Characted editor stuff */ |
| el_map_t el_map; /* Key mapping stuff */ |
| el_keymacro_t el_keymacro; /* Key binding stuff */ |
| el_history_t el_history; /* History stuff */ |
| el_search_t el_search; /* Search stuff */ |
| el_signal_t el_signal; /* Signal handling stuff */ |
| el_read_t el_read; /* Character reading stuff */ |
| #ifdef WIDECHAR |
| ct_buffer_t el_scratch; /* Scratch conversion buffer */ |
| ct_buffer_t el_lgcyconv; /* Buffer for legacy wrappers */ |
| LineInfo el_lgcylinfo; /* Legacy LineInfo buffer */ |
| #endif |
| }; |
| |
| protected int el_editmode(EditLine *, int, const Char **); |
| |
| #ifdef DEBUG |
| #define EL_ABORT(a) do { \ |
| fprintf(el->el_errfile, "%s, %d: ", \ |
| __FILE__, __LINE__); \ |
| fprintf a; \ |
| abort(); \ |
| } while( /*CONSTCOND*/0); |
| #else |
| #define EL_ABORT(a) abort() |
| #endif |
| #endif /* _h_el */ |