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Annotation of src/lib/libedit/el.h, Revision 1.41.8.1

1.41.8.1! snj         1: /*     $NetBSD: el.h,v 1.41 2016/05/24 15:00:45 christos Exp $ */
1.2       lukem       2:
1.1       cgd         3: /*-
                      4:  * Copyright (c) 1992, 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Berkeley by
                      8:  * Christos Zoulas of Cornell University.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
1.14      agc        18:  * 3. Neither the name of the University nor the names of its contributors
1.1       cgd        19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  *
                     34:  *     @(#)el.h        8.1 (Berkeley) 6/4/93
                     35:  */
                     36:
                     37: /*
                     38:  * el.h: Internal structures.
                     39:  */
                     40: #ifndef _h_el
1.6       lukem      41: #define        _h_el
1.1       cgd        42: /*
                     43:  * Local defaults
                     44:  */
1.6       lukem      45: #define        KSHVI
                     46: #define        VIDEFAULT
                     47: #define        ANCHOR
1.1       cgd        48:
1.29      christos   49: #include "histedit.h"
                     50: #include "chartype.h"
1.1       cgd        51:
1.25      christos   52: #define        EL_BUFSIZ       ((size_t)1024)  /* Maximum line size            */
1.1       cgd        53:
1.15      christos   54: #define        HANDLE_SIGNALS  0x01
                     55: #define        NO_TTY          0x02
                     56: #define        EDIT_DISABLED   0x04
                     57: #define        UNBUFFERED      0x08
1.19      christos   58: #define        CHARSET_IS_UTF8 0x10
1.20      christos   59: #define        NARROW_HISTORY  0x40
1.1       cgd        60:
                     61: typedef unsigned char el_action_t;     /* Index to command array       */
                     62:
                     63: typedef struct coord_t {               /* Position on the screen       */
1.6       lukem      64:        int     h;
                     65:        int     v;
1.1       cgd        66: } coord_t;
                     67:
                     68: typedef struct el_line_t {
1.36      christos   69:        wchar_t         *buffer;        /* Input line                   */
                     70:        wchar_t         *cursor;        /* Cursor position              */
                     71:        wchar_t         *lastchar;      /* Last character               */
                     72:        const wchar_t   *limit;         /* Max position                 */
1.1       cgd        73: } el_line_t;
                     74:
                     75: /*
                     76:  * Editor state
                     77:  */
                     78: typedef struct el_state_t {
1.6       lukem      79:        int             inputmode;      /* What mode are we in?         */
                     80:        int             doingarg;       /* Are we getting an argument?  */
                     81:        int             argument;       /* Numeric argument             */
                     82:        int             metanext;       /* Is the next char a meta char */
                     83:        el_action_t     lastcmd;        /* Previous command             */
1.33      christos   84:        el_action_t     thiscmd;        /* this command                 */
1.36      christos   85:        wchar_t         thisch;         /* char that generated it       */
1.1       cgd        86: } el_state_t;
                     87:
                     88: /*
                     89:  * Until we come up with something better...
                     90:  */
1.6       lukem      91: #define        el_malloc(a)    malloc(a)
                     92: #define        el_realloc(a,b) realloc(a, b)
                     93: #define        el_free(a)      free(a)
1.1       cgd        94:
                     95: #include "tty.h"
                     96: #include "prompt.h"
1.41.8.1! snj        97: #include "literal.h"
1.24      christos   98: #include "keymacro.h"
1.23      christos   99: #include "terminal.h"
1.1       cgd       100: #include "refresh.h"
                    101: #include "chared.h"
                    102: #include "search.h"
                    103: #include "hist.h"
                    104: #include "map.h"
                    105: #include "sig.h"
1.38      christos  106:
                    107: struct el_read_t;
1.1       cgd       108:
                    109: struct editline {
1.36      christos  110:        wchar_t          *el_prog;      /* the program name             */
1.17      christos  111:        FILE             *el_infile;    /* Stdio stuff                  */
1.6       lukem     112:        FILE             *el_outfile;   /* Stdio stuff                  */
                    113:        FILE             *el_errfile;   /* Stdio stuff                  */
                    114:        int               el_infd;      /* Input file descriptor        */
1.22      christos  115:        int               el_outfd;     /* Output file descriptor       */
                    116:        int               el_errfd;     /* Error file descriptor        */
1.6       lukem     117:        int               el_flags;     /* Various flags.               */
                    118:        coord_t           el_cursor;    /* Cursor location              */
1.41.8.1! snj       119:        wint_t          **el_display;   /* Real screen image = what is there */
        !           120:        wint_t          **el_vdisplay;  /* Virtual screen image = what we see */
1.10      christos  121:        void             *el_data;      /* Client data                  */
1.6       lukem     122:        el_line_t         el_line;      /* The current line information */
                    123:        el_state_t        el_state;     /* Current editor state         */
1.23      christos  124:        el_terminal_t     el_terminal;  /* Terminal dependent stuff     */
1.6       lukem     125:        el_tty_t          el_tty;       /* Tty dependent stuff          */
                    126:        el_refresh_t      el_refresh;   /* Refresh stuff                */
                    127:        el_prompt_t       el_prompt;    /* Prompt stuff                 */
                    128:        el_prompt_t       el_rprompt;   /* Prompt stuff                 */
1.41.8.1! snj       129:        el_literal_t      el_literal;   /* prompt literal bits          */
1.6       lukem     130:        el_chared_t       el_chared;    /* Characted editor stuff       */
                    131:        el_map_t          el_map;       /* Key mapping stuff            */
1.24      christos  132:        el_keymacro_t     el_keymacro;  /* Key binding stuff            */
1.6       lukem     133:        el_history_t      el_history;   /* History stuff                */
                    134:        el_search_t       el_search;    /* Search stuff                 */
                    135:        el_signal_t       el_signal;    /* Signal handling stuff        */
1.38      christos  136:        struct el_read_t *el_read;      /* Character reading stuff      */
1.39      christos  137:        ct_buffer_t       el_visual;    /* Buffer for displayable str   */
1.19      christos  138:        ct_buffer_t       el_scratch;   /* Scratch conversion buffer    */
                    139:        ct_buffer_t       el_lgcyconv;  /* Buffer for legacy wrappers   */
                    140:        LineInfo          el_lgcylinfo; /* Legacy LineInfo buffer       */
1.1       cgd       141: };
1.4       lukem     142:
1.40      christos  143: libedit_private int    el_editmode(EditLine *, int, const wchar_t **);
1.1       cgd       144:
1.7       christos  145: #ifdef DEBUG
1.12      christos  146: #define        EL_ABORT(a)     do { \
                    147:                                fprintf(el->el_errfile, "%s, %d: ", \
                    148:                                         __FILE__, __LINE__); \
                    149:                                fprintf a; \
                    150:                                abort(); \
                    151:                        } while( /*CONSTCOND*/0);
1.7       christos  152: #else
                    153: #define EL_ABORT(a)    abort()
                    154: #endif
1.1       cgd       155: #endif /* _h_el */

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