MySQL 5.1: mysql/src/5.1-dbg/cmd-line-utils/libedit/el.h Source File
mysql/src/5.1-dbg/cmd-line-utils/libedit/el.h

00001 /*      $NetBSD: el.h,v 1.16 2003/10/18 23:48:42 christos Exp $ */
00002 
00003 /*-
00004  * Copyright (c) 1992, 1993
00005  *      The Regents of the University of California.  All rights reserved.
00006  *
00007  * This code is derived from software contributed to Berkeley by
00008  * Christos Zoulas of Cornell University.
00009  *
00010  * Redistribution and use in source and binary forms, with or without
00011  * modification, are permitted provided that the following conditions
00012  * are met:
00013  * 1. Redistributions of source code must retain the above copyright
00014  *    notice, this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in the
00017  *    documentation and/or other materials provided with the distribution.
00018  * 3. Neither the name of the University nor the names of its contributors
00019  *    may be used to endorse or promote products derived from this software
00020  *    without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00023  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00024  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00025  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00026  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00027  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00028  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00029  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00030  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00031  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00032  * SUCH DAMAGE.
00033  *
00034  *      @(#)el.h        8.1 (Berkeley) 6/4/93
00035  */
00036 
00037 /*
00038  * el.h: Internal structures.
00039  */
00040 #ifndef _h_el
00041 #define _h_el
00042 /*
00043  * Local defaults
00044  */
00045 #define KSHVI
00046 #define VIDEFAULT
00047 #define ANCHOR
00048 
00049 #include <stdio.h>
00050 #include <sys/types.h>
00051 
00052 #define EL_BUFSIZ       1024            /* Maximum line size            */
00053 
00054 #define HANDLE_SIGNALS  0x01
00055 #define NO_TTY          0x02
00056 #define EDIT_DISABLED   0x04
00057 #define UNBUFFERED      0x08
00058 
00059 typedef int bool_t;                     /* True or not                  */
00060 
00061 typedef unsigned char el_action_t;      /* Index to command array       */
00062 
00063 typedef struct coord_t {                /* Position on the screen       */
00064         int     h;
00065         int     v;
00066 } coord_t;
00067 
00068 typedef struct el_line_t {
00069         char    *buffer;                /* Input line                   */
00070         char    *cursor;                /* Cursor position              */
00071         char    *lastchar;              /* Last character               */
00072         const char      *limit;         /* Max position                 */
00073 } el_line_t;
00074 
00075 /*
00076  * Editor state
00077  */
00078 typedef struct el_state_t {
00079         int             inputmode;      /* What mode are we in?         */
00080         int             doingarg;       /* Are we getting an argument?  */
00081         int             argument;       /* Numeric argument             */
00082         int             metanext;       /* Is the next char a meta char */
00083         el_action_t     lastcmd;        /* Previous command             */
00084         el_action_t     thiscmd;        /* this command                 */
00085         char            thisch;         /* char that generated it       */
00086 } el_state_t;
00087 
00088 /*
00089  * Until we come up with something better...
00090  */
00091 #define el_strdup(a)    strdup(a)
00092 #define el_malloc(a)    malloc(a)
00093 #define el_realloc(a,b) realloc(a, b)
00094 #define el_free(a)      free(a)
00095 
00096 #include "tty.h"
00097 #include "prompt.h"
00098 #include "key.h"
00099 #include "el_term.h"
00100 #include "refresh.h"
00101 #include "chared.h"
00102 #include "common.h"
00103 #include "search.h"
00104 #include "hist.h"
00105 #include "map.h"
00106 #include "parse.h"
00107 #include "sig.h"
00108 #include "help.h"
00109 #include "read.h"
00110 
00111 struct editline {
00112         char             *el_prog;      /* the program name             */
00113         FILE             *el_outfile;   /* Stdio stuff                  */
00114         FILE             *el_errfile;   /* Stdio stuff                  */
00115         int               el_infd;      /* Input file descriptor        */
00116         int               el_flags;     /* Various flags.               */
00117         coord_t           el_cursor;    /* Cursor location              */
00118         char            **el_display;   /* Real screen image = what is there */
00119         char            **el_vdisplay;  /* Virtual screen image = what we see */
00120         void             *el_data;      /* Client data                  */
00121         el_line_t         el_line;      /* The current line information */
00122         el_state_t        el_state;     /* Current editor state         */
00123         el_term_t         el_term;      /* Terminal dependent stuff     */
00124         el_tty_t          el_tty;       /* Tty dependent stuff          */
00125         el_refresh_t      el_refresh;   /* Refresh stuff                */
00126         el_prompt_t       el_prompt;    /* Prompt stuff                 */
00127         el_prompt_t       el_rprompt;   /* Prompt stuff                 */
00128         el_chared_t       el_chared;    /* Characted editor stuff       */
00129         el_map_t          el_map;       /* Key mapping stuff            */
00130         el_key_t          el_key;       /* Key binding stuff            */
00131         el_history_t      el_history;   /* History stuff                */
00132         el_search_t       el_search;    /* Search stuff                 */
00133         el_signal_t       el_signal;    /* Signal handling stuff        */
00134         el_read_t         el_read;      /* Character reading stuff      */
00135 };
00136 
00137 protected int   el_editmode(EditLine *, int, const char **);
00138 
00139 #ifdef DEBUG
00140 #define EL_ABORT(a)     do { \
00141                                 fprintf(el->el_errfile, "%s, %d: ", \
00142                                          __FILE__, __LINE__); \
00143                                 fprintf a; \
00144                                 abort(); \
00145                         } while( /*CONSTCOND*/0);
00146 #else
00147 #define EL_ABORT(a)     abort()
00148 #endif
00149 #endif /* _h_el */
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