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Member "tnftp-20200705/libedit/el.h" (4 Jul 2020, 5474 Bytes) of package /linux/privat/tnftp-20200705.tar.gz:


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    1 /*  $NetBSD: el.h,v 1.5 2020/07/04 13:43:21 lukem Exp $ */
    2 /*  from    NetBSD: el.h,v 1.45 2019/07/23 10:18:52 christos Exp    */
    3 
    4 /*-
    5  * Copyright (c) 1992, 1993
    6  *  The Regents of the University of California.  All rights reserved.
    7  *
    8  * This code is derived from software contributed to Berkeley by
    9  * Christos Zoulas of Cornell University.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. Neither the name of the University nor the names of its contributors
   20  *    may be used to endorse or promote products derived from this software
   21  *    without specific prior written permission.
   22  *
   23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   33  * SUCH DAMAGE.
   34  *
   35  *  @(#)el.h    8.1 (Berkeley) 6/4/93
   36  */
   37 
   38 /*
   39  * el.h: Internal structures.
   40  */
   41 #ifndef _h_el
   42 #define _h_el
   43 /*
   44  * Local defaults
   45  */
   46 #define KSHVI
   47 #define VIDEFAULT
   48 #define ANCHOR
   49 
   50 #include "histedit.h"
   51 #include "chartype.h"
   52 
   53 #define EL_BUFSIZ   ((size_t)1024)  /* Maximum line size        */
   54 
   55 #define HANDLE_SIGNALS  0x01
   56 #define NO_TTY      0x02
   57 #define EDIT_DISABLED   0x04
   58 #define UNBUFFERED  0x08
   59 #define NARROW_HISTORY  0x40
   60 #define NO_RESET    0x80
   61 
   62 typedef unsigned char el_action_t;  /* Index to command array   */
   63 
   64 typedef struct coord_t {        /* Position on the screen   */
   65     int h;
   66     int v;
   67 } coord_t;
   68 
   69 typedef struct el_line_t {
   70     wchar_t     *buffer;    /* Input line           */
   71     wchar_t         *cursor;    /* Cursor position      */
   72     wchar_t         *lastchar;  /* Last character       */
   73     const wchar_t   *limit;     /* Max position         */
   74 } el_line_t;
   75 
   76 /*
   77  * Editor state
   78  */
   79 typedef struct el_state_t {
   80     int     inputmode;  /* What mode are we in?     */
   81     int     doingarg;   /* Are we getting an argument?  */
   82     int     argument;   /* Numeric argument     */
   83     int     metanext;   /* Is the next char a meta char */
   84     el_action_t lastcmd;    /* Previous command     */
   85     el_action_t thiscmd;    /* this command         */
   86     wchar_t     thisch;     /* char that generated it   */
   87 } el_state_t;
   88 
   89 /*
   90  * Until we come up with something better...
   91  */
   92 #define el_malloc(a)    malloc(a)
   93 #define el_calloc(a,b)  calloc(a, b)
   94 #define el_realloc(a,b) realloc(a, b)
   95 #define el_free(a)  free(a)
   96 
   97 #include "tty.h"
   98 #include "prompt.h"
   99 #include "literal.h"
  100 #include "keymacro.h"
  101 #include "terminal.h"
  102 #include "refresh.h"
  103 #include "chared.h"
  104 #include "search.h"
  105 #include "hist.h"
  106 #include "map.h"
  107 #include "sig.h"
  108 
  109 struct el_read_t;
  110 
  111 struct editline {
  112     wchar_t      *el_prog;  /* the program name     */
  113     FILE         *el_infile;    /* Stdio stuff          */
  114     FILE         *el_outfile;   /* Stdio stuff          */
  115     FILE         *el_errfile;   /* Stdio stuff          */
  116     int       el_infd;  /* Input file descriptor    */
  117     int       el_outfd; /* Output file descriptor   */
  118     int       el_errfd; /* Error file descriptor    */
  119     int       el_flags; /* Various flags.       */
  120     coord_t       el_cursor;    /* Cursor location      */
  121     wint_t      **el_display;   /* Real screen image = what is there */
  122     wint_t      **el_vdisplay;  /* Virtual screen image = what we see */
  123     void         *el_data;  /* Client data          */
  124     el_line_t     el_line;  /* The current line information */
  125     el_state_t    el_state; /* Current editor state     */
  126     el_terminal_t     el_terminal;  /* Terminal dependent stuff */
  127     el_tty_t      el_tty;   /* Tty dependent stuff      */
  128     el_refresh_t      el_refresh;   /* Refresh stuff        */
  129     el_prompt_t   el_prompt;    /* Prompt stuff         */
  130     el_prompt_t   el_rprompt;   /* Prompt stuff         */
  131     el_literal_t      el_literal;   /* prompt literal bits      */
  132     el_chared_t   el_chared;    /* Characted editor stuff   */
  133     el_map_t      el_map;   /* Key mapping stuff        */
  134     el_keymacro_t     el_keymacro;  /* Key binding stuff        */
  135     el_history_t      el_history;   /* History stuff        */
  136     el_search_t   el_search;    /* Search stuff         */
  137     el_signal_t   el_signal;    /* Signal handling stuff    */
  138     struct el_read_t *el_read;  /* Character reading stuff  */
  139     ct_buffer_t       el_visual;    /* Buffer for displayable str   */
  140     ct_buffer_t       el_scratch;   /* Scratch conversion buffer    */
  141     ct_buffer_t       el_lgcyconv;  /* Buffer for legacy wrappers   */
  142     LineInfo          el_lgcylinfo; /* Legacy LineInfo buffer       */
  143 };
  144 
  145 libedit_private int el_editmode(EditLine *, int, const wchar_t **);
  146 libedit_private EditLine *el_init_internal(const char *, FILE *, FILE *,
  147     FILE *, int, int, int, int);
  148 
  149 #ifdef DEBUG
  150 #define EL_ABORT(a) do { \
  151                 fprintf(el->el_errfile, "%s, %d: ", \
  152                      __FILE__, __LINE__); \
  153                 fprintf a; \
  154                 abort(); \
  155             } while( /*CONSTCOND*/0);
  156 #else
  157 #define EL_ABORT(a) abort()
  158 #endif
  159 #endif /* _h_el */