6f80b46075
the installation floppy (and in any references in new user docs for editing files) since tossing a novice into vi with no help or clue as to what the key bindings are is both cruel and in violation of the Hague Convention. It's also much SMALLER than vi and even supports emacs key bindings for those so inclined. Submitted by: "Hugh F. Mahon" <hugh@nsmdserv.cnd.hp.com>
4794 lines
107 KiB
C
4794 lines
107 KiB
C
/*
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| ee (easy editor)
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| An easy to use, simple screen oriented editor.
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| written by Hugh Mahon
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| THIS MATERIAL IS PROVIDED "AS IS". THERE ARE
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| NO WARRANTIES OF ANY KIND WITH REGARD TO THIS
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| MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE
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| IMPLIED WARRANTIES OF MERCHANTABILITY AND
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| FITNESS FOR A PARTICULAR PURPOSE. Neither
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| Hewlett-Packard nor Hugh Mahon shall be liable
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| for errors contained herein, nor for
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| incidental or consequential damages in
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| connection with the furnishing, performance or
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| use of this material. Neither Hewlett-Packard
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| nor Hugh Mahon assumes any responsibility for
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| the use or reliability of this software or
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| documentation. This software and
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| documentation is totally UNSUPPORTED. There
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| is no support contract available. Hewlett-
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| Packard has done NO Quality Assurance on ANY
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| of the program or documentation. You may find
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| the quality of the materials inferior to
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| supported materials.
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| This software is not a product of Hewlett-Packard, Co., or any
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| other company. No support is implied or offered with this software.
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| You've got the source, and you're on your own.
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| This software may be distributed under the terms of Larry Wall's
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| Artistic license, a copy of which is included in this distribution.
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| This notice must be included with this software and any derivatives.
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| This editor was purposely developed to be simple, both in
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| interface and implementation. This editor was developed to
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| address a specific audience: the user who is new to computers
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| (especially UNIX).
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| ee is not aimed at technical users; for that reason more
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| complex features were intentionally left out. In addition,
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| ee is intended to be compiled by people with little computer
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| experience, which means that it needs to be small, relatively
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| simple in implementation, and portable.
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| This software and documentation contains
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| proprietary information which is protected by
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| copyright. All rights are reserved.
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| $Header: /home/hugh/sources/old_ae/RCS/ee.c,v 1.78 1995/08/26 16:05:52 hugh Exp $
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*/
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char *ee_copyright_message =
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"Copyright (c) 1986, 1990, 1991, 1992, 1993, 1994, 1995 Hugh Mahon ";
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char *ee_long_notice[] = {
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"This software and documentation contains",
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"proprietary information which is protected by",
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"copyright. All rights are reserved."
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};
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char *version = "@(#) ee, version 1.2.4 $Revision: 1.78 $";
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#ifdef NCURSE
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#include "new_curse.h"
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#else
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#ifdef HAS_NCURSES
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#include <ncurses.h>
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#else
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#include <curses.h>
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#endif
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#endif
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#include <signal.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <string.h>
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#include <pwd.h>
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#ifdef HAS_SYS_WAIT
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#include <sys/wait.h>
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#endif
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#ifdef HAS_STDLIB
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#include <stdlib.h>
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#endif
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#ifdef HAS_STDARG
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#include <stdarg.h>
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#endif
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#ifdef HAS_UNISTD
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#include <unistd.h>
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#endif
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#ifdef HAS_CTYPE
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#include <ctype.h>
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#endif
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#ifndef NO_CATGETS
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#include <locale.h>
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#include <nl_types.h>
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nl_catd catalog;
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#else
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#define catgetlocal(a, b) (b)
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#endif /* NO_CATGETS */
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#ifndef SIGCHLD
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#define SIGCHLD SIGCLD
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#endif
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#define TAB 9
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#define max(a, b) (a > b ? a : b)
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#define min(a, b) (a < b ? a : b)
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/*
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| defines for type of data to show in info window
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*/
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#define CONTROL_KEYS 1
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#define COMMANDS 2
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struct text {
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char *line; /* line of characters */
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int line_number; /* line number */
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int line_length; /* actual number of characters in the line */
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int max_length; /* maximum number of characters the line handles */
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struct text *next_line; /* next line of text */
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struct text *prev_line; /* previous line of text */
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};
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struct text *first_line; /* first line of current buffer */
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struct text *dlt_line; /* structure for info on deleted line */
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struct text *curr_line; /* current line cursor is on */
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struct text *tmp_line; /* temporary line pointer */
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struct text *srch_line; /* temporary pointer for search routine */
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struct files { /* structure to store names of files to be edited*/
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char *name; /* name of file */
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struct files *next_name;
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};
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struct files *top_of_stack = NULL;
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int d_wrd_len; /* length of deleted word */
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int position; /* offset in bytes from begin of line */
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int scr_pos; /* horizontal position */
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int scr_vert; /* vertical position on screen */
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int scr_horz; /* horizontal position on screen */
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int tmp_vert, tmp_horz;
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int input_file; /* indicate to read input file */
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int recv_file; /* indicate reading a file */
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int edit; /* continue executing while true */
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int gold; /* 'gold' function key pressed */
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int fildes; /* file descriptor */
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int case_sen; /* case sensitive search flag */
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int last_line; /* last line for text display */
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int last_col; /* last column for text display */
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int horiz_offset = 0; /* offset from left edge of text */
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int clear_com_win; /* flag to indicate com_win needs clearing */
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int text_changes = FALSE; /* indicate changes have been made to text */
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int get_fd; /* file descriptor for reading a file */
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int info_window = TRUE; /* flag to indicate if help window visible */
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int info_type = CONTROL_KEYS; /* flag to indicate type of info to display */
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int expand_tabs = TRUE; /* flag for expanding tabs */
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int right_margin = 0; /* the right margin */
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int observ_margins = TRUE; /* flag for whether margins are observed */
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int shell_fork;
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int temp_stdin; /* temporary storage for stdin */
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int temp_stdout; /* temp storage for stdout descriptor */
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int temp_stderr; /* temp storage for stderr descriptor */
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int pipe_out[2]; /* pipe file desc for output */
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int pipe_in[2]; /* pipe file descriptors for input */
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int out_pipe; /* flag that info is piped out */
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int in_pipe; /* flag that info is piped in */
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int formatted = FALSE; /* flag indicating paragraph formatted */
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int auto_format = FALSE; /* flag for auto_format mode */
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int restricted = FALSE; /* flag to indicate restricted mode */
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int nohighlight = FALSE; /* turns off highlighting */
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int eightbit = TRUE; /* eight bit character flag */
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int local_LINES = 0; /* copy of LINES, to detect when win resizes */
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int local_COLS = 0; /* copy of COLS, to detect when win resizes */
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int curses_initialized = FALSE; /* flag indicating if curses has been started*/
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int emacs_keys_mode = FALSE; /* mode for if emacs key binings are used */
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char *point; /* points to current position in line */
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char *srch_str; /* pointer for search string */
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char *u_srch_str; /* pointer to non-case sensitive search */
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char *srch_1; /* pointer to start of suspect string */
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char *srch_2; /* pointer to next character of string */
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char *srch_3;
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char *in_file_name = NULL; /* name of input file */
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char *tmp_file; /* temporary file name */
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char d_char; /* deleted character */
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char *d_word; /* deleted word */
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char *d_line; /* deleted line */
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char in_string[513]; /* buffer for reading a file */
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char *print_command = "lp"; /* string to use for the print command */
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char *start_at_line = NULL; /* move to this line at start of session*/
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int in; /* input character */
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FILE *temp_fp; /* temporary file pointer */
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FILE *bit_bucket; /* file pointer to /dev/null */
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char *table[] = {
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"^@", "^A", "^B", "^C", "^D", "^E", "^F", "^G", "^H", "\t", "^J",
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"^K", "^L", "^M", "^N", "^O", "^P", "^Q", "^R", "^S", "^T", "^U",
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"^V", "^W", "^X", "^Y", "^Z", "^[", "^\\", "^]", "^^", "^_"
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};
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WINDOW *com_win;
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WINDOW *text_win;
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WINDOW *help_win;
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WINDOW *info_win;
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#if defined(__STDC__) || defined(__cplusplus)
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#define P_(s) s
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#else
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#define P_(s) ()
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#endif
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/*
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| The following structure allows menu items to be flexibly declared.
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| The first item is the string describing the selection, the second
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| is the address of the procedure to call when the item is selected,
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| and the third is the argument for the procedure.
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| For those systems with i18n, the string should be accompanied by a
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| catalog number. The 'int *' should be replaced with 'void *' on
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| systems with that type.
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| The first menu item will be the title of the menu, with NULL
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| parameters for the procedure and argument, followed by the menu items.
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| If the procedure value is NULL, the menu item is displayed, but no
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| procedure is called when the item is selected. The number of the
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| item will be returned. If the third (argument) parameter is -1, no
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| argument is given to the procedure when it is called.
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*/
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struct menu_entries {
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char *item_string;
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int (*procedure)P_((struct menu_entries *));
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struct menu_entries *ptr_argument;
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int (*iprocedure)P_((int));
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void (*nprocedure)P_((void));
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unsigned int argument;
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};
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int main P_((int argc, char *argv[]));
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char *resiz_line P_((int factor, struct text *rline, int rpos));
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void insert P_((int character));
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void delete P_((int disp));
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void scanline P_((char *pos));
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int tabshift P_((int temp_int));
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int out_char P_((WINDOW *window, int character, int column));
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int len_char P_((int character, int column));
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void draw_line P_((int vertical, int horiz, char *ptr, int t_pos, int length));
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void insert_line P_((int disp));
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struct text *txtalloc P_((void));
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struct files *name_alloc P_((void));
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char *next_word P_((char *string));
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void prev_word P_((void));
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void control P_((void));
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void emacs_control P_((void));
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void bottom P_((void));
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void top P_((void));
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void nextline P_((void));
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void prevline P_((void));
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void left P_((int disp));
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void right P_((int disp));
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void find_pos P_((void));
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void up P_((void));
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void down P_((void));
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void function_key P_((void));
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void print_buffer P_((void));
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void command_prompt P_((void));
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void command P_((char *cmd_str1));
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int scan P_((char *line, int offset, int column));
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char *get_string P_((char *prompt, int advance));
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int compare P_((char *string1, char *string2, int sensitive));
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void goto_line P_((char *cmd_str));
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void midscreen P_((int line, char *pnt));
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void get_options P_((int numargs, char *arguments[]));
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void check_fp P_((void));
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void get_file P_((char *file_name));
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void get_line P_((int length, char *in_string, int *append));
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void draw_screen P_((void));
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void finish P_((void));
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int quit P_((int noverify));
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void edit_abort P_((int arg));
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void delete_text P_((void));
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int write_file P_((char *file_name));
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int search P_((int display_message));
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void search_prompt P_((void));
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void del_char P_((void));
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void undel_char P_((void));
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void del_word P_((void));
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void undel_word P_((void));
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void del_line P_((void));
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void undel_line P_((void));
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void adv_word P_((void));
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void move_rel P_((char *direction, int lines));
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void eol P_((void));
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void bol P_((void));
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void adv_line P_((void));
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void sh_command P_((char *string));
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void set_up_term P_((void));
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void resize_check P_((void));
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int menu_op P_((struct menu_entries *));
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void help P_((void));
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void paint_info_win P_((void));
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void no_info_window P_((void));
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void create_info_window P_((void));
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int file_op P_((int arg));
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void shell_op P_((void));
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void leave_op P_((void));
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void redraw P_((void));
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int Blank_Line P_((struct text *test_line));
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void Format P_((void));
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void ee_init P_((void));
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void echo_string P_((char *string));
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void spell_op P_((void));
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void ispell_op P_((void));
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int first_word_len P_((struct text *test_line));
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void Auto_Format P_((void));
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void modes_op P_((void));
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char *is_in_string P_((char *string, char *substring));
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char *resolve_name P_((char *name));
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int restrict_mode P_((void));
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int unique_test P_((char *string, char *list[]));
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void strings_init P_((void));
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#undef P_
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/*
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| allocate space here for the strings that will be in the menu
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*/
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struct menu_entries modes_menu[] = {
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{"", NULL, NULL, NULL, NULL, 0},
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, NULL, -1},
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{NULL, NULL, NULL, NULL, NULL, -1}
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};
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char *mode_strings[9];
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#define NUM_MODES_ITEMS 9
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struct menu_entries leave_menu[] = {
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, finish, -1},
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{"", NULL, NULL, quit, NULL, TRUE},
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{NULL, NULL, NULL, NULL, NULL, -1}
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};
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|
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#define READ_FILE 1
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#define WRITE_FILE 2
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#define SAVE_FILE 3
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struct menu_entries file_menu[] = {
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, file_op, NULL, READ_FILE},
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{"", NULL, NULL, file_op, NULL, WRITE_FILE},
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{"", NULL, NULL, file_op, NULL, SAVE_FILE},
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{"", NULL, NULL, NULL, print_buffer, -1},
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{NULL, NULL, NULL, NULL, NULL, -1}
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};
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|
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struct menu_entries search_menu[] = {
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{"", NULL, NULL, NULL, NULL, 0},
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{"", NULL, NULL, NULL, search_prompt, -1},
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{"", NULL, NULL, search, NULL, TRUE},
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{NULL, NULL, NULL, NULL, NULL, -1}
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};
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|
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struct menu_entries spell_menu[] = {
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, spell_op, -1},
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{"", NULL, NULL, NULL, ispell_op, -1},
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{NULL, NULL, NULL, NULL, NULL, -1}
|
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};
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|
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struct menu_entries misc_menu[] = {
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{"", NULL, NULL, NULL, NULL, -1},
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{"", NULL, NULL, NULL, Format, -1},
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{"", NULL, NULL, NULL, shell_op, -1},
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{"", menu_op, spell_menu, NULL, NULL, -1},
|
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{NULL, NULL, NULL, NULL, NULL, -1}
|
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};
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|
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struct menu_entries main_menu[] = {
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{"", NULL, NULL, NULL, NULL, -1},
|
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{"", NULL, NULL, NULL, leave_op, -1},
|
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{"", NULL, NULL, NULL, help, -1},
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{"", menu_op, file_menu, NULL, NULL, -1},
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{"", NULL, NULL, NULL, redraw, -1},
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{"", NULL, NULL, NULL, modes_op, -1},
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{"", menu_op, search_menu, NULL, NULL, -1},
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{"", menu_op, misc_menu, NULL, NULL, -1},
|
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{NULL, NULL, NULL, NULL, NULL, -1}
|
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};
|
|
|
|
char *help_text[22];
|
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char *control_keys[5];
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|
|
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char *emacs_help_text[22];
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char *emacs_control_keys[5];
|
|
|
|
char *command_strings[5];
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char *commands[30];
|
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char *init_strings[20];
|
|
|
|
/*
|
|
| Declarations for strings for localization
|
|
*/
|
|
|
|
char *com_win_message; /* to be shown in com_win if no info window */
|
|
char *no_file_string;
|
|
char *ascii_code_str;
|
|
char *printer_msg_str;
|
|
char *command_str;
|
|
char *file_write_prompt_str;
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char *file_read_prompt_str;
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|
char *char_str;
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|
char *unkn_cmd_str;
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|
char *non_unique_cmd_msg;
|
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char *line_num_str;
|
|
char *line_len_str;
|
|
char *current_file_str;
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|
char *usage0;
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|
char *usage1;
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char *usage2;
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|
char *usage3;
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char *usage4;
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|
char *file_is_dir_msg;
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char *new_file_msg;
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char *cant_open_msg;
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char *open_file_msg;
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char *file_read_fin_msg;
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char *reading_file_msg;
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char *read_only_msg;
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char *file_read_lines_msg;
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char *save_file_name_prompt;
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char *file_not_saved_msg;
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char *changes_made_prompt;
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char *yes_char;
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char *file_exists_prompt;
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char *create_file_fail_msg;
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char *writing_file_msg;
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char *file_written_msg;
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char *searching_msg;
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char *str_not_found_msg;
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char *search_prompt_str;
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char *exec_err_msg;
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char *continue_msg;
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char *menu_cancel_msg;
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char *menu_size_err_msg;
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char *press_any_key_msg;
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char *shell_prompt;
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char *formatting_msg;
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char *shell_echo_msg;
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char *spell_in_prog_msg;
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char *margin_prompt;
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char *restricted_msg;
|
|
char *ON;
|
|
char *OFF;
|
|
char *HELP;
|
|
char *WRITE;
|
|
char *READ;
|
|
char *LINE;
|
|
char *FILE_str;
|
|
char *CHARACTER;
|
|
char *REDRAW;
|
|
char *RESEQUENCE;
|
|
char *AUTHOR;
|
|
char *VERSION;
|
|
char *CASE;
|
|
char *NOCASE;
|
|
char *EXPAND;
|
|
char *NOEXPAND;
|
|
char *Exit_string;
|
|
char *QUIT_string;
|
|
char *INFO;
|
|
char *NOINFO;
|
|
char *MARGINS;
|
|
char *NOMARGINS;
|
|
char *AUTOFORMAT;
|
|
char *NOAUTOFORMAT;
|
|
char *Echo;
|
|
char *PRINTCOMMAND;
|
|
char *RIGHTMARGIN;
|
|
char *HIGHLIGHT;
|
|
char *NOHIGHLIGHT;
|
|
char *EIGHTBIT;
|
|
char *NOEIGHTBIT;
|
|
char *EMACS_string;
|
|
char *NOEMACS_string;
|
|
|
|
#ifndef __STDC__
|
|
#ifndef HAS_STDLIB
|
|
extern char *malloc();
|
|
extern char *realloc();
|
|
extern char *getenv();
|
|
FILE *fopen(); /* declaration for open function */
|
|
#endif /* HAS_STDLIB */
|
|
#endif /* __STDC__ */
|
|
|
|
int
|
|
main(argc, argv) /* beginning of main program */
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
int counter;
|
|
|
|
for (counter = 1; counter < 24; counter++)
|
|
signal(counter, SIG_IGN);
|
|
|
|
signal(SIGCHLD, SIG_DFL);
|
|
signal(SIGSEGV, SIG_DFL);
|
|
signal(SIGINT, edit_abort);
|
|
|
|
d_char = 0;
|
|
d_word = malloc(150);
|
|
*d_word = (char) NULL;
|
|
d_line = NULL;
|
|
dlt_line = txtalloc();
|
|
dlt_line->line = d_line;
|
|
curr_line = first_line = txtalloc();
|
|
curr_line->line = point = malloc(10);
|
|
curr_line->line_length = 1;
|
|
curr_line->max_length = 10;
|
|
curr_line->prev_line = NULL;
|
|
curr_line->next_line = NULL;
|
|
curr_line->line_number = 1;
|
|
srch_str = NULL;
|
|
u_srch_str = NULL;
|
|
position = 1;
|
|
scr_pos =0;
|
|
scr_vert = 0;
|
|
scr_horz = 0;
|
|
bit_bucket = fopen("/dev/null", "w");
|
|
edit = TRUE;
|
|
gold = case_sen = FALSE;
|
|
shell_fork = TRUE;
|
|
strings_init();
|
|
ee_init();
|
|
if (argc > 0 )
|
|
get_options(argc, argv);
|
|
set_up_term();
|
|
if (right_margin == 0)
|
|
right_margin = COLS - 1;
|
|
if (top_of_stack == NULL)
|
|
{
|
|
wprintw(com_win, no_file_string);
|
|
wrefresh(com_win);
|
|
}
|
|
else
|
|
check_fp();
|
|
|
|
clear_com_win = TRUE;
|
|
|
|
while(edit)
|
|
{
|
|
wrefresh(text_win);
|
|
in = wgetch(text_win);
|
|
if (in == -1)
|
|
exit(0);
|
|
|
|
resize_check();
|
|
|
|
if (clear_com_win)
|
|
{
|
|
clear_com_win = FALSE;
|
|
wmove(com_win, 0, 0);
|
|
werase(com_win);
|
|
if (!info_window)
|
|
{
|
|
wprintw(com_win, "%s", com_win_message);
|
|
}
|
|
wrefresh(com_win);
|
|
}
|
|
|
|
if (in > 255)
|
|
function_key();
|
|
else if ((in == '\10') || (in == 127))
|
|
delete(TRUE);
|
|
else if ((in > 31) || (in == 9))
|
|
insert(in);
|
|
else if ((in >= 0) && (in <= 31))
|
|
{
|
|
if (emacs_keys_mode)
|
|
emacs_control();
|
|
else
|
|
control();
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
char *
|
|
resiz_line(factor, rline, rpos) /* resize the line to length + factor*/
|
|
int factor; /* resize factor */
|
|
struct text *rline; /* position in line */
|
|
int rpos;
|
|
{
|
|
char *rpoint;
|
|
int resiz_var;
|
|
|
|
rline->max_length += factor;
|
|
rpoint = rline->line = realloc(rline->line, rline->max_length );
|
|
for (resiz_var = 1 ; (resiz_var < rpos) ; resiz_var++)
|
|
rpoint++;
|
|
return(rpoint);
|
|
}
|
|
|
|
void
|
|
insert(character) /* insert character into line */
|
|
int character; /* new character */
|
|
{
|
|
int counter;
|
|
int value;
|
|
char *temp; /* temporary pointer */
|
|
char *temp2; /* temporary pointer */
|
|
|
|
if ((character == '\011') && (expand_tabs))
|
|
{
|
|
counter = len_char('\011', scr_horz);
|
|
for (; counter > 0; counter--)
|
|
insert(' ');
|
|
if (auto_format)
|
|
Auto_Format();
|
|
return;
|
|
}
|
|
text_changes = TRUE;
|
|
if ((curr_line->max_length - curr_line->line_length) < 5)
|
|
point = resiz_line(10, curr_line, position);
|
|
curr_line->line_length++;
|
|
temp = point;
|
|
counter = position;
|
|
while (counter < curr_line->line_length) /* find end of line */
|
|
{
|
|
counter++;
|
|
temp++;
|
|
}
|
|
temp++; /* increase length of line by one */
|
|
while (point < temp)
|
|
{
|
|
temp2=temp - 1;
|
|
*temp= *temp2; /* shift characters over by one */
|
|
temp--;
|
|
}
|
|
*point = character; /* insert new character */
|
|
wclrtoeol(text_win);
|
|
if (((character >= 0) && (character < ' ')) || (character >= 127)) /* check for TAB character*/
|
|
{
|
|
scr_pos = scr_horz += out_char(text_win, character, scr_horz);
|
|
point++;
|
|
position++;
|
|
}
|
|
else
|
|
{
|
|
waddch(text_win, character);
|
|
scr_pos = ++scr_horz;
|
|
point++;
|
|
position ++;
|
|
}
|
|
|
|
if ((observ_margins) && (right_margin < scr_pos))
|
|
{
|
|
counter = position;
|
|
while (scr_pos > right_margin)
|
|
prev_word();
|
|
if (scr_pos == 0)
|
|
{
|
|
while (position < counter)
|
|
right(TRUE);
|
|
}
|
|
else
|
|
{
|
|
counter -= position;
|
|
insert_line(TRUE);
|
|
for (value = 0; value < counter; value++)
|
|
right(TRUE);
|
|
}
|
|
}
|
|
|
|
if ((scr_horz - horiz_offset) > last_col)
|
|
{
|
|
horiz_offset += 8;
|
|
midscreen(scr_vert, point);
|
|
}
|
|
|
|
if ((auto_format) && (character == ' ') && (!formatted))
|
|
Auto_Format();
|
|
else if ((character != ' ') && (character != '\t'))
|
|
formatted = FALSE;
|
|
|
|
draw_line(scr_vert, scr_horz, point, position, curr_line->line_length);
|
|
}
|
|
|
|
void
|
|
delete(disp) /* delete character */
|
|
int disp;
|
|
{
|
|
char *tp;
|
|
char *temp2;
|
|
struct text *temp_buff;
|
|
int temp_vert;
|
|
int temp_pos;
|
|
|
|
if (point != curr_line->line) /* if not at beginning of line */
|
|
{
|
|
text_changes = TRUE;
|
|
temp2 = tp = point;
|
|
tp--;
|
|
point--;
|
|
if ((*tp >= '\000') && (*tp < ' ')) /* check for TAB */
|
|
scanline(tp);
|
|
else
|
|
--scr_horz;
|
|
scr_pos = scr_horz;
|
|
if (in == 8)
|
|
d_char = *point; /* save deleted character */
|
|
temp_pos = --position;
|
|
curr_line->line_length--;
|
|
while (temp_pos <= curr_line->line_length)
|
|
{
|
|
temp_pos++;
|
|
*tp= *temp2;
|
|
tp++;
|
|
temp2++;
|
|
}
|
|
if (scr_horz < horiz_offset)
|
|
{
|
|
horiz_offset -= 8;
|
|
midscreen(scr_vert, point);
|
|
}
|
|
}
|
|
else if (curr_line->prev_line != NULL)
|
|
{
|
|
text_changes = TRUE;
|
|
left(disp); /* go to previous line */
|
|
temp_buff = curr_line->next_line;
|
|
point = resiz_line(temp_buff->line_length, curr_line, position);
|
|
if (temp_buff->next_line != NULL)
|
|
temp_buff->next_line->prev_line = curr_line;
|
|
curr_line->next_line = temp_buff->next_line;
|
|
temp2 = temp_buff->line;
|
|
if (in == 8)
|
|
d_char = '\n';
|
|
tp = point;
|
|
temp_pos = 1;
|
|
while (temp_pos < temp_buff->line_length)
|
|
{
|
|
curr_line->line_length++;
|
|
temp_pos++;
|
|
*tp = *temp2;
|
|
tp++;
|
|
temp2++;
|
|
}
|
|
*tp = (char) NULL;
|
|
free(temp_buff->line);
|
|
free(temp_buff);
|
|
temp_buff = curr_line;
|
|
temp_vert = scr_vert;
|
|
scr_pos = scr_horz;
|
|
if (scr_vert < last_line)
|
|
{
|
|
wmove(text_win, scr_vert + 1, 0);
|
|
wdeleteln(text_win);
|
|
}
|
|
while ((temp_buff != NULL) && (temp_vert < last_line))
|
|
{
|
|
temp_buff = temp_buff->next_line;
|
|
temp_vert++;
|
|
}
|
|
if ((temp_vert == last_line) && (temp_buff != NULL))
|
|
{
|
|
tp = temp_buff->line;
|
|
wmove(text_win, last_line,0);
|
|
wclrtobot(text_win);
|
|
draw_line(last_line, 0, tp, 1, temp_buff->line_length);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
}
|
|
}
|
|
draw_line(scr_vert, scr_horz, point, position, curr_line->line_length);
|
|
formatted = FALSE;
|
|
}
|
|
|
|
void
|
|
scanline(pos) /* find the proper horizontal position for the pointer */
|
|
char *pos;
|
|
{
|
|
int temp;
|
|
char *ptr;
|
|
|
|
ptr = curr_line->line;
|
|
temp = 0;
|
|
while (ptr < pos)
|
|
{
|
|
if ((*ptr >= 0) && (*ptr <= 8))
|
|
temp += 2;
|
|
else if (*ptr == 9)
|
|
temp += tabshift(temp);
|
|
else if ((*ptr >= 10) && (*ptr <= 31))
|
|
temp += 2;
|
|
else if ((*ptr >= 32) && (*ptr < 127))
|
|
temp++;
|
|
else if (*ptr == 127)
|
|
temp += 2;
|
|
else if (!eightbit)
|
|
temp += 5;
|
|
else
|
|
temp++;
|
|
ptr++;
|
|
}
|
|
scr_horz = temp;
|
|
if ((scr_horz - horiz_offset) > last_col)
|
|
{
|
|
horiz_offset = (scr_horz - (scr_horz % 8)) - (COLS - 8);
|
|
midscreen(scr_vert, point);
|
|
}
|
|
else if (scr_horz < horiz_offset)
|
|
{
|
|
horiz_offset = max(0, (scr_horz - (scr_horz % 8)));
|
|
midscreen(scr_vert, point);
|
|
}
|
|
}
|
|
|
|
int
|
|
tabshift(temp_int) /* give the number of spaces to shift */
|
|
int temp_int;
|
|
{
|
|
int leftover;
|
|
|
|
leftover = ((temp_int + 1) % 8);
|
|
if (leftover == 0)
|
|
return (1);
|
|
else
|
|
return (9 - leftover);
|
|
}
|
|
|
|
int
|
|
out_char(window, character, column) /* output non-printing character */
|
|
WINDOW *window;
|
|
char character;
|
|
int column;
|
|
{
|
|
int i1, i2;
|
|
char *string;
|
|
char string2[8];
|
|
|
|
if (character == TAB)
|
|
{
|
|
i1 = tabshift(column);
|
|
for (i2 = 0;
|
|
(i2 < i1) && (((column+i2+1)-horiz_offset) < last_col); i2++)
|
|
{
|
|
waddch(window, ' ');
|
|
}
|
|
return(i1);
|
|
}
|
|
else if ((character >= '\0') && (character < ' '))
|
|
{
|
|
string = table[(int) character];
|
|
}
|
|
else if ((character < 0) || (character >= 127))
|
|
{
|
|
if (character == 127)
|
|
string = "^?";
|
|
else if (!eightbit)
|
|
{
|
|
sprintf(string2, "<%d>", (character < 0) ? (character + 256) : character);
|
|
string = string2;
|
|
}
|
|
else
|
|
{
|
|
waddch(window, character);
|
|
return(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
waddch(window, character);
|
|
return(1);
|
|
}
|
|
for (i2 = 0; (string[i2] != (char) NULL) && (((column+i2+1)-horiz_offset) < last_col); i2++)
|
|
waddch(window, string[i2]);
|
|
return(strlen(string));
|
|
}
|
|
|
|
int
|
|
len_char(character, column) /* return the length of the character */
|
|
char character;
|
|
int column; /* the column must be known to provide spacing for tabs */
|
|
{
|
|
int length;
|
|
|
|
if (character == '\t')
|
|
length = tabshift(column);
|
|
else if ((character >= 0) && (character < 32))
|
|
length = 2;
|
|
else if ((character >= 32) && (character <= 126))
|
|
length = 1;
|
|
else if (character == 127)
|
|
length = 2;
|
|
else if (((character > 126) || (character < 0)) && (!eightbit))
|
|
length = 5;
|
|
else
|
|
length = 1;
|
|
|
|
return(length);
|
|
}
|
|
|
|
void
|
|
draw_line(vertical, horiz, ptr, t_pos, length) /* redraw line from current position */
|
|
int vertical; /* current vertical position on screen */
|
|
int horiz; /* current horizontal position on screen */
|
|
char *ptr; /* pointer to line */
|
|
int t_pos; /* current position (offset in bytes) from bol */
|
|
int length; /* length (in bytes) of line */
|
|
{
|
|
int d; /* partial length of special or tab char to display */
|
|
char *temp; /* temporary pointer to position in line */
|
|
int abs_column; /* offset in screen units from begin of line */
|
|
int column; /* horizontal position on screen */
|
|
int row; /* vertical position on screen */
|
|
int posit; /* temporary position indicator within line */
|
|
|
|
abs_column = horiz;
|
|
column = horiz - horiz_offset;
|
|
row = vertical;
|
|
temp = ptr;
|
|
d = 0;
|
|
posit = t_pos;
|
|
if (column < 0)
|
|
{
|
|
wmove(text_win, row, 0);
|
|
wclrtoeol(text_win);
|
|
}
|
|
while (column < 0)
|
|
{
|
|
d = len_char(*temp, abs_column);
|
|
abs_column += d;
|
|
column += d;
|
|
posit++;
|
|
temp++;
|
|
}
|
|
wmove(text_win, row, column);
|
|
wclrtoeol(text_win);
|
|
while ((posit < length) && (column <= last_col))
|
|
{
|
|
if ((*temp < 32) || (*temp == 127))
|
|
{
|
|
column += len_char(*temp, abs_column);
|
|
abs_column += out_char(text_win, *temp, abs_column);
|
|
}
|
|
else
|
|
{
|
|
abs_column++;
|
|
column++;
|
|
waddch(text_win, *temp);
|
|
}
|
|
posit++;
|
|
temp++;
|
|
}
|
|
if (column < last_col)
|
|
wclrtoeol(text_win);
|
|
wmove(text_win, vertical, (horiz - horiz_offset));
|
|
}
|
|
|
|
void
|
|
insert_line(disp) /* insert new line */
|
|
int disp;
|
|
{
|
|
int temp_pos;
|
|
int temp_pos2;
|
|
char *temp;
|
|
char *extra;
|
|
struct text *temp_nod;
|
|
|
|
text_changes = TRUE;
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
wclrtoeol(text_win);
|
|
temp_nod= txtalloc();
|
|
temp_nod->line = extra= malloc(10);
|
|
temp_nod->line_length = 1;
|
|
temp_nod->max_length = 10;
|
|
temp_nod->line_number = curr_line->line_number + 1;
|
|
temp_nod->next_line = curr_line->next_line;
|
|
if (temp_nod->next_line != NULL)
|
|
temp_nod->next_line->prev_line = temp_nod;
|
|
temp_nod->prev_line = curr_line;
|
|
curr_line->next_line = temp_nod;
|
|
temp_pos2 = position;
|
|
temp = point;
|
|
if (temp_pos2 < curr_line->line_length)
|
|
{
|
|
temp_pos = 1;
|
|
while (temp_pos2 < curr_line->line_length)
|
|
{
|
|
if ((temp_nod->max_length - temp_nod->line_length)< 5)
|
|
extra = resiz_line(10, temp_nod, temp_pos);
|
|
temp_nod->line_length++;
|
|
temp_pos++;
|
|
temp_pos2++;
|
|
*extra= *temp;
|
|
extra++;
|
|
temp++;
|
|
}
|
|
temp=point;
|
|
*temp = (char) NULL;
|
|
temp = resiz_line((1 - temp_nod->line_length), curr_line, position);
|
|
curr_line->line_length = 1 + temp - curr_line->line;
|
|
}
|
|
curr_line->line_length = position;
|
|
curr_line = temp_nod;
|
|
*extra = (char) NULL;
|
|
position = 1;
|
|
point= curr_line->line;
|
|
if (disp)
|
|
{
|
|
if (scr_vert < last_line)
|
|
{
|
|
scr_vert++;
|
|
wclrtoeol(text_win);
|
|
wmove(text_win, scr_vert, 0);
|
|
winsertln(text_win);
|
|
}
|
|
else
|
|
{
|
|
wmove(text_win, 0,0);
|
|
wdeleteln(text_win);
|
|
wmove(text_win, last_line,0);
|
|
wclrtobot(text_win);
|
|
}
|
|
scr_pos = scr_horz = 0;
|
|
if (horiz_offset)
|
|
{
|
|
horiz_offset = 0;
|
|
midscreen(scr_vert, point);
|
|
}
|
|
draw_line(scr_vert, scr_horz, point, position,
|
|
curr_line->line_length);
|
|
}
|
|
}
|
|
|
|
struct text *txtalloc() /* allocate space for line structure */
|
|
{
|
|
return((struct text *) malloc(sizeof( struct text)));
|
|
}
|
|
|
|
struct files *name_alloc() /* allocate space for file name list node */
|
|
{
|
|
return((struct files *) malloc(sizeof( struct files)));
|
|
}
|
|
|
|
char *next_word(string) /* move to next word in string */
|
|
char *string;
|
|
{
|
|
while ((*string != (char) NULL) && ((*string != 32) && (*string != 9)))
|
|
string++;
|
|
while ((*string != (char) NULL) && ((*string == 32) || (*string == 9)))
|
|
string++;
|
|
return(string);
|
|
}
|
|
|
|
void
|
|
prev_word() /* move to start of previous word in text */
|
|
{
|
|
if (position != 1)
|
|
{
|
|
if ((position != 1) && ((point[-1] == ' ') || (point[-1] == '\t')))
|
|
{ /* if at the start of a word */
|
|
while ((position != 1) && ((*point != ' ') && (*point != '\t')))
|
|
left(TRUE);
|
|
}
|
|
while ((position != 1) && ((*point == ' ') || (*point == '\t')))
|
|
left(TRUE);
|
|
while ((position != 1) && ((*point != ' ') && (*point != '\t')))
|
|
left(TRUE);
|
|
if ((position != 1) && ((*point == ' ') || (*point == '\t')))
|
|
right(TRUE);
|
|
}
|
|
else
|
|
left(TRUE);
|
|
}
|
|
|
|
void
|
|
control() /* use control for commands */
|
|
{
|
|
char *string;
|
|
|
|
if (in == 1) /* control a */
|
|
{
|
|
string = get_string(ascii_code_str, TRUE);
|
|
if (*string != (char) NULL)
|
|
{
|
|
in = atoi(string);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
insert(in);
|
|
}
|
|
free(string);
|
|
}
|
|
else if (in == 2) /* control b */
|
|
bottom();
|
|
else if (in == 3) /* control c */
|
|
{
|
|
command_prompt();
|
|
}
|
|
else if (in == 4) /* control d */
|
|
down();
|
|
else if (in == 5) /* control e */
|
|
search_prompt();
|
|
else if (in == 6) /* control f */
|
|
undel_char();
|
|
else if (in == 7) /* control g */
|
|
bol();
|
|
else if (in == 8) /* control h */
|
|
delete(TRUE);
|
|
else if (in == 9) /* control i */
|
|
;
|
|
else if (in == 10) /* control j */
|
|
insert_line(TRUE);
|
|
else if (in == 11) /* control k */
|
|
del_char();
|
|
else if (in == 12) /* control l */
|
|
left(TRUE);
|
|
else if (in == 13) /* control m */
|
|
insert_line(TRUE);
|
|
else if (in == 14) /* control n */
|
|
move_rel("d", max(5, (last_line - 5)));
|
|
else if (in == 15) /* control o */
|
|
eol();
|
|
else if (in == 16) /* control p */
|
|
move_rel("u", max(5, (last_line - 5)));
|
|
else if (in == 17) /* control q */
|
|
;
|
|
else if (in == 18) /* control r */
|
|
right(TRUE);
|
|
else if (in == 19) /* control s */
|
|
;
|
|
else if (in == 20) /* control t */
|
|
top();
|
|
else if (in == 21) /* control u */
|
|
up();
|
|
else if (in == 22) /* control v */
|
|
undel_word();
|
|
else if (in == 23) /* control w */
|
|
del_word();
|
|
else if (in == 24) /* control x */
|
|
search(TRUE);
|
|
else if (in == 25) /* control y */
|
|
del_line();
|
|
else if (in == 26) /* control z */
|
|
undel_line();
|
|
else if (in == 27) /* control [ (escape) */
|
|
{
|
|
menu_op(main_menu);
|
|
}
|
|
}
|
|
|
|
/*
|
|
| Emacs control-key bindings
|
|
*/
|
|
|
|
void
|
|
emacs_control()
|
|
{
|
|
char *string;
|
|
|
|
if (in == 1) /* control a */
|
|
bol();
|
|
else if (in == 2) /* control b */
|
|
left(TRUE);
|
|
else if (in == 3) /* control c */
|
|
{
|
|
command_prompt();
|
|
}
|
|
else if (in == 4) /* control d */
|
|
del_char();
|
|
else if (in == 5) /* control e */
|
|
eol();
|
|
else if (in == 6) /* control f */
|
|
right(TRUE);
|
|
else if (in == 7) /* control g */
|
|
move_rel("u", max(5, (last_line - 5)));
|
|
else if (in == 8) /* control h */
|
|
delete(TRUE);
|
|
else if (in == 9) /* control i */
|
|
;
|
|
else if (in == 10) /* control j */
|
|
undel_char();
|
|
else if (in == 11) /* control k */
|
|
del_line();
|
|
else if (in == 12) /* control l */
|
|
undel_line();
|
|
else if (in == 13) /* control m */
|
|
insert_line(TRUE);
|
|
else if (in == 14) /* control n */
|
|
down();
|
|
else if (in == 15) /* control o */
|
|
{
|
|
string = get_string(ascii_code_str, TRUE);
|
|
if (*string != (char) NULL)
|
|
{
|
|
in = atoi(string);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
insert(in);
|
|
}
|
|
free(string);
|
|
}
|
|
else if (in == 16) /* control p */
|
|
up();
|
|
else if (in == 17) /* control q */
|
|
;
|
|
else if (in == 18) /* control r */
|
|
undel_word();
|
|
else if (in == 19) /* control s */
|
|
;
|
|
else if (in == 20) /* control t */
|
|
top();
|
|
else if (in == 21) /* control u */
|
|
bottom();
|
|
else if (in == 22) /* control v */
|
|
move_rel("d", max(5, (last_line - 5)));
|
|
else if (in == 23) /* control w */
|
|
del_word();
|
|
else if (in == 24) /* control x */
|
|
search(TRUE);
|
|
else if (in == 25) /* control y */
|
|
search_prompt();
|
|
else if (in == 26) /* control z */
|
|
adv_word();
|
|
else if (in == 27) /* control [ (escape) */
|
|
{
|
|
menu_op(main_menu);
|
|
}
|
|
}
|
|
|
|
void
|
|
bottom() /* go to bottom of file */
|
|
{
|
|
while (curr_line->next_line != NULL)
|
|
curr_line = curr_line->next_line;
|
|
point = curr_line->line;
|
|
if (horiz_offset)
|
|
horiz_offset = 0;
|
|
position = 1;
|
|
midscreen(last_line, point);
|
|
scr_pos = scr_horz;
|
|
}
|
|
|
|
void
|
|
top() /* go to top of file */
|
|
{
|
|
while (curr_line->prev_line != NULL)
|
|
curr_line = curr_line->prev_line;
|
|
point = curr_line->line;
|
|
if (horiz_offset)
|
|
horiz_offset = 0;
|
|
position = 1;
|
|
midscreen(0, point);
|
|
scr_pos = scr_horz;
|
|
}
|
|
|
|
void
|
|
nextline() /* move pointers to start of next line */
|
|
{
|
|
curr_line = curr_line->next_line;
|
|
point = curr_line->line;
|
|
position = 1;
|
|
if (scr_vert == last_line)
|
|
{
|
|
wmove(text_win, 0,0);
|
|
wdeleteln(text_win);
|
|
wmove(text_win, last_line,0);
|
|
wclrtobot(text_win);
|
|
draw_line(last_line,0,point,1,curr_line->line_length);
|
|
}
|
|
else
|
|
scr_vert++;
|
|
}
|
|
|
|
void
|
|
prevline() /* move pointers to start of previous line*/
|
|
{
|
|
curr_line = curr_line->prev_line;
|
|
point = curr_line->line;
|
|
position = 1;
|
|
if (scr_vert == 0)
|
|
{
|
|
winsertln(text_win);
|
|
draw_line(0,0,point,1,curr_line->line_length);
|
|
}
|
|
else
|
|
scr_vert--;
|
|
while (position < curr_line->line_length)
|
|
{
|
|
position++;
|
|
point++;
|
|
}
|
|
}
|
|
|
|
void
|
|
left(disp) /* move left one character */
|
|
int disp;
|
|
{
|
|
if (point != curr_line->line) /* if not at begin of line */
|
|
{
|
|
point--;
|
|
position--;
|
|
scanline(point);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
scr_pos = scr_horz;
|
|
}
|
|
else if (curr_line->prev_line != NULL)
|
|
{
|
|
if (!disp)
|
|
{
|
|
curr_line = curr_line->prev_line;
|
|
point = curr_line->line + curr_line->line_length;
|
|
position = curr_line->line_length;
|
|
return;
|
|
}
|
|
position = 1;
|
|
prevline();
|
|
scanline(point);
|
|
scr_pos = scr_horz;
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
}
|
|
}
|
|
|
|
void
|
|
right(disp) /* move right one character */
|
|
int disp;
|
|
{
|
|
if (position < curr_line->line_length)
|
|
{
|
|
point++;
|
|
position++;
|
|
scanline(point);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
scr_pos = scr_horz;
|
|
}
|
|
else if (curr_line->next_line != NULL)
|
|
{
|
|
if (!disp)
|
|
{
|
|
curr_line = curr_line->next_line;
|
|
point = curr_line->line;
|
|
position = 1;
|
|
return;
|
|
}
|
|
nextline();
|
|
scr_pos = scr_horz = 0;
|
|
if (horiz_offset)
|
|
{
|
|
horiz_offset = 0;
|
|
midscreen(scr_vert, point);
|
|
}
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
position = 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
find_pos() /* move to the same column as on other line */
|
|
{
|
|
scr_horz = 0;
|
|
position = 1;
|
|
while ((scr_horz < scr_pos) && (position < curr_line->line_length))
|
|
{
|
|
if (*point == 9)
|
|
scr_horz += tabshift(scr_horz);
|
|
else if ((*point >= '\0') && (*point < ' '))
|
|
scr_horz += 2;
|
|
else
|
|
scr_horz++;
|
|
position++;
|
|
point++;
|
|
}
|
|
if ((scr_horz - horiz_offset) > last_col)
|
|
{
|
|
horiz_offset = (scr_horz - (scr_horz % 8)) - (COLS - 8);
|
|
midscreen(scr_vert, point);
|
|
}
|
|
else if (scr_horz < horiz_offset)
|
|
{
|
|
horiz_offset = max(0, (scr_horz - (scr_horz % 8)));
|
|
midscreen(scr_vert, point);
|
|
}
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
}
|
|
|
|
void
|
|
up() /* move up one line */
|
|
{
|
|
if (curr_line->prev_line != NULL)
|
|
{
|
|
prevline();
|
|
point = curr_line->line;
|
|
find_pos();
|
|
}
|
|
}
|
|
|
|
void
|
|
down() /* move down one line */
|
|
{
|
|
if (curr_line->next_line != NULL)
|
|
{
|
|
nextline();
|
|
find_pos();
|
|
}
|
|
}
|
|
|
|
void
|
|
function_key() /* process function key */
|
|
{
|
|
if (in == KEY_LEFT)
|
|
left(TRUE);
|
|
else if (in == KEY_RIGHT)
|
|
right(TRUE);
|
|
else if ( in == KEY_HOME)
|
|
top();
|
|
else if ( in == KEY_UP)
|
|
up();
|
|
else if (in == KEY_DOWN)
|
|
down();
|
|
else if (in == KEY_NPAGE)
|
|
move_rel("d", max( 5, (last_line - 5)));
|
|
else if (in == KEY_PPAGE)
|
|
move_rel("u", max(5, (last_line - 5)));
|
|
else if (in == KEY_DL)
|
|
del_line();
|
|
else if (in == KEY_DC)
|
|
del_char();
|
|
else if (in == KEY_BACKSPACE)
|
|
delete(TRUE);
|
|
else if (in == KEY_IL)
|
|
{ /* insert a line before current line */
|
|
insert_line(TRUE);
|
|
left(TRUE);
|
|
}
|
|
else if (in == KEY_F(1))
|
|
gold = !gold;
|
|
else if (in == KEY_F(2))
|
|
{
|
|
if (gold)
|
|
{
|
|
gold = FALSE;
|
|
undel_line();
|
|
}
|
|
else
|
|
undel_char();
|
|
}
|
|
else if (in == KEY_F(3))
|
|
{
|
|
if (gold)
|
|
{
|
|
gold = FALSE;
|
|
undel_word();
|
|
}
|
|
else
|
|
del_word();
|
|
}
|
|
else if (in == KEY_F(4))
|
|
{
|
|
if (gold)
|
|
{
|
|
gold = FALSE;
|
|
paint_info_win();
|
|
midscreen(scr_vert, point);
|
|
}
|
|
else
|
|
adv_word();
|
|
}
|
|
else if (in == KEY_F(5))
|
|
{
|
|
if (gold)
|
|
{
|
|
gold = FALSE;
|
|
search_prompt();
|
|
}
|
|
else
|
|
search(TRUE);
|
|
}
|
|
else if (in == KEY_F(6))
|
|
{
|
|
if (gold)
|
|
{
|
|
gold = FALSE;
|
|
bottom();
|
|
}
|
|
else
|
|
top();
|
|
}
|
|
else if (in == KEY_F(7))
|
|
{
|
|
if (gold)
|
|
{
|
|
gold = FALSE;
|
|
eol();
|
|
}
|
|
else
|
|
bol();
|
|
}
|
|
else if (in == KEY_F(8))
|
|
{
|
|
if (gold)
|
|
{
|
|
gold = FALSE;
|
|
command_prompt();
|
|
}
|
|
else
|
|
adv_line();
|
|
}
|
|
}
|
|
|
|
void
|
|
print_buffer()
|
|
{
|
|
char buffer[256];
|
|
|
|
sprintf(buffer, ">!%s", print_command);
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, printer_msg_str, print_command);
|
|
wrefresh(com_win);
|
|
command(buffer);
|
|
}
|
|
|
|
void
|
|
command_prompt()
|
|
{
|
|
char *cmd_str;
|
|
int result;
|
|
|
|
info_type = COMMANDS;
|
|
paint_info_win();
|
|
cmd_str = get_string(command_str, TRUE);
|
|
if ((result = unique_test(cmd_str, commands)) != 1)
|
|
{
|
|
werase(com_win);
|
|
wmove(com_win, 0, 0);
|
|
if (result == 0)
|
|
wprintw(com_win, unkn_cmd_str, cmd_str);
|
|
else
|
|
wprintw(com_win, non_unique_cmd_msg);
|
|
|
|
wrefresh(com_win);
|
|
|
|
info_type = CONTROL_KEYS;
|
|
paint_info_win();
|
|
|
|
if (cmd_str != NULL)
|
|
free(cmd_str);
|
|
return;
|
|
}
|
|
command(cmd_str);
|
|
wrefresh(com_win);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
info_type = CONTROL_KEYS;
|
|
paint_info_win();
|
|
if (cmd_str != NULL)
|
|
free(cmd_str);
|
|
}
|
|
|
|
void
|
|
command(cmd_str1) /* process commands from keyboard */
|
|
char *cmd_str1;
|
|
{
|
|
char *cmd_str2 = NULL;
|
|
char *cmd_str = cmd_str1;
|
|
|
|
clear_com_win = TRUE;
|
|
if (compare(cmd_str, HELP, FALSE))
|
|
help();
|
|
else if (compare(cmd_str, WRITE, FALSE))
|
|
{
|
|
if (restrict_mode())
|
|
{
|
|
return;
|
|
}
|
|
cmd_str = next_word(cmd_str);
|
|
if (*cmd_str == (char) NULL)
|
|
{
|
|
cmd_str = cmd_str2 = get_string(file_write_prompt_str, TRUE);
|
|
}
|
|
tmp_file = resolve_name(cmd_str);
|
|
write_file(tmp_file);
|
|
if (tmp_file != cmd_str)
|
|
free(tmp_file);
|
|
}
|
|
else if (compare(cmd_str, READ, FALSE))
|
|
{
|
|
if (restrict_mode())
|
|
{
|
|
return;
|
|
}
|
|
cmd_str = next_word(cmd_str);
|
|
if (*cmd_str == (char) NULL)
|
|
{
|
|
cmd_str = cmd_str2 = get_string(file_read_prompt_str, TRUE);
|
|
}
|
|
tmp_file = cmd_str;
|
|
recv_file = TRUE;
|
|
tmp_file = resolve_name(cmd_str);
|
|
check_fp();
|
|
if (tmp_file != cmd_str)
|
|
free(tmp_file);
|
|
}
|
|
else if (compare(cmd_str, LINE, FALSE))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, line_num_str, curr_line->line_number);
|
|
wprintw(com_win, line_len_str, curr_line->line_length);
|
|
}
|
|
else if (compare(cmd_str, FILE_str, FALSE))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
if (in_file_name == NULL)
|
|
wprintw(com_win, no_file_string);
|
|
else
|
|
wprintw(com_win, current_file_str, in_file_name);
|
|
}
|
|
else if ((*cmd_str >= '0') && (*cmd_str <= '9'))
|
|
goto_line(cmd_str);
|
|
else if (compare(cmd_str, CHARACTER, FALSE))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
if (*point >= '\0')
|
|
wprintw(com_win, char_str, *point);
|
|
else
|
|
wprintw(com_win, char_str, (*point + 256));
|
|
}
|
|
else if (compare(cmd_str, REDRAW, FALSE))
|
|
redraw();
|
|
else if (compare(cmd_str, RESEQUENCE, FALSE))
|
|
{
|
|
tmp_line = first_line->next_line;
|
|
while (tmp_line != NULL)
|
|
{
|
|
tmp_line->line_number = tmp_line->prev_line->line_number + 1;
|
|
tmp_line = tmp_line->next_line;
|
|
}
|
|
}
|
|
else if (compare(cmd_str, AUTHOR, FALSE))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, "written by Hugh Mahon");
|
|
}
|
|
else if (compare(cmd_str, VERSION, FALSE))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, "%s", version);
|
|
}
|
|
else if (compare(cmd_str, CASE, FALSE))
|
|
case_sen = TRUE;
|
|
else if (compare(cmd_str, NOCASE, FALSE))
|
|
case_sen = FALSE;
|
|
else if (compare(cmd_str, EXPAND, FALSE))
|
|
expand_tabs = TRUE;
|
|
else if (compare(cmd_str, NOEXPAND, FALSE))
|
|
expand_tabs = FALSE;
|
|
else if (compare(cmd_str, Exit_string, FALSE))
|
|
finish();
|
|
else if (compare(cmd_str, QUIT_string, FALSE))
|
|
quit(0);
|
|
else if (*cmd_str == '!')
|
|
{
|
|
cmd_str++;
|
|
if ((*cmd_str == ' ') || (*cmd_str == 9))
|
|
cmd_str = next_word(cmd_str);
|
|
sh_command(cmd_str);
|
|
}
|
|
else if ((*cmd_str == '<') && (!in_pipe))
|
|
{
|
|
in_pipe = TRUE;
|
|
shell_fork = FALSE;
|
|
cmd_str++;
|
|
if ((*cmd_str == ' ') || (*cmd_str == '\t'))
|
|
cmd_str = next_word(cmd_str);
|
|
command(cmd_str);
|
|
in_pipe = FALSE;
|
|
shell_fork = TRUE;
|
|
}
|
|
else if ((*cmd_str == '>') && (!out_pipe))
|
|
{
|
|
out_pipe = TRUE;
|
|
cmd_str++;
|
|
if ((*cmd_str == ' ') || (*cmd_str == '\t'))
|
|
cmd_str = next_word(cmd_str);
|
|
command(cmd_str);
|
|
out_pipe = FALSE;
|
|
}
|
|
else
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, unkn_cmd_str, cmd_str);
|
|
}
|
|
if (cmd_str2 != NULL)
|
|
free(cmd_str2);
|
|
}
|
|
|
|
int
|
|
scan(line, offset, column) /* determine horizontal position for get_string */
|
|
char *line;
|
|
int offset;
|
|
int column;
|
|
{
|
|
char *stemp;
|
|
int i;
|
|
int j;
|
|
|
|
stemp = line;
|
|
i = 0;
|
|
j = column;
|
|
while (i < offset)
|
|
{
|
|
i++;
|
|
j += len_char(*stemp, j);
|
|
stemp++;
|
|
}
|
|
return(j);
|
|
}
|
|
|
|
char *
|
|
get_string(prompt, advance) /* read string from input on command line */
|
|
char *prompt; /* string containing user prompt message */
|
|
int advance; /* if true, skip leading spaces and tabs */
|
|
{
|
|
char *string;
|
|
char *tmp_string;
|
|
char *nam_str;
|
|
char *g_point;
|
|
int tmp_int;
|
|
int g_horz, g_position, g_pos;
|
|
int esc_flag;
|
|
|
|
g_point = tmp_string = malloc(512);
|
|
wmove(com_win,0,0);
|
|
wclrtoeol(com_win);
|
|
waddstr(com_win, prompt);
|
|
wrefresh(com_win);
|
|
nam_str = tmp_string;
|
|
clear_com_win = TRUE;
|
|
g_horz = g_position = scan(prompt, strlen(prompt), 0);
|
|
g_pos = 0;
|
|
do
|
|
{
|
|
esc_flag = FALSE;
|
|
in = wgetch(com_win);
|
|
if (in == -1)
|
|
exit(0);
|
|
if (((in == 8) || (in == 127)) && (g_pos > 0))
|
|
{
|
|
tmp_int = g_horz;
|
|
g_pos--;
|
|
g_horz = scan(g_point, g_pos, g_position);
|
|
tmp_int = tmp_int - g_horz;
|
|
for (; 0 < tmp_int; tmp_int--)
|
|
{
|
|
if ((g_horz+tmp_int) < (last_col - 1))
|
|
{
|
|
waddch(com_win, '\010');
|
|
waddch(com_win, ' ');
|
|
waddch(com_win, '\010');
|
|
}
|
|
}
|
|
nam_str--;
|
|
}
|
|
else if ((in != 8) && (in != 127) && (in != '\n') && (in != '\r'))
|
|
{
|
|
if (in == '\026') /* control-v, accept next character verbatim */
|
|
{ /* allows entry of ^m, ^j, and ^h */
|
|
esc_flag = TRUE;
|
|
in = wgetch(com_win);
|
|
if (in == -1)
|
|
exit(0);
|
|
}
|
|
*nam_str = in;
|
|
g_pos++;
|
|
if (((in < ' ') || (in > 126)) && (g_horz < (last_col - 1)))
|
|
g_horz += out_char(com_win, in, g_horz);
|
|
else
|
|
{
|
|
g_horz++;
|
|
if (g_horz < (last_col - 1))
|
|
waddch(com_win, in);
|
|
}
|
|
nam_str++;
|
|
}
|
|
wrefresh(com_win);
|
|
if (esc_flag)
|
|
in = (char) NULL;
|
|
} while ((in != '\n') && (in != '\r'));
|
|
*nam_str = (char) NULL;
|
|
nam_str = tmp_string;
|
|
if (((*nam_str == ' ') || (*nam_str == 9)) && (advance))
|
|
nam_str = next_word(nam_str);
|
|
string = malloc(strlen(nam_str) + 1);
|
|
strcpy(string, nam_str);
|
|
free(tmp_string);
|
|
wrefresh(com_win);
|
|
return(string);
|
|
}
|
|
|
|
int
|
|
compare(string1, string2, sensitive) /* compare two strings */
|
|
char *string1;
|
|
char *string2;
|
|
int sensitive;
|
|
{
|
|
char *strng1;
|
|
char *strng2;
|
|
int tmp;
|
|
int equal;
|
|
|
|
strng1 = string1;
|
|
strng2 = string2;
|
|
tmp = 0;
|
|
if ((strng1 == NULL) || (strng2 == NULL) || (*strng1 == (char) NULL) || (*strng2 == (char) NULL))
|
|
return(FALSE);
|
|
equal = TRUE;
|
|
while (equal)
|
|
{
|
|
if (sensitive)
|
|
{
|
|
if (*strng1 != *strng2)
|
|
equal = FALSE;
|
|
}
|
|
else
|
|
{
|
|
if (toupper(*strng1) != toupper(*strng2))
|
|
equal = FALSE;
|
|
}
|
|
strng1++;
|
|
strng2++;
|
|
if ((*strng1 == (char) NULL) || (*strng2 == (char) NULL) || (*strng1 == ' ') || (*strng2 == ' '))
|
|
break;
|
|
tmp++;
|
|
}
|
|
return(equal);
|
|
}
|
|
|
|
void
|
|
goto_line(cmd_str)
|
|
char *cmd_str;
|
|
{
|
|
int number;
|
|
int i;
|
|
char *ptr;
|
|
char *direction;
|
|
struct text *t_line;
|
|
|
|
ptr = cmd_str;
|
|
i= 0;
|
|
while ((*ptr >='0') && (*ptr <= '9'))
|
|
{
|
|
i= i * 10 + (*ptr - '0');
|
|
ptr++;
|
|
}
|
|
number = i;
|
|
i = 0;
|
|
t_line = curr_line;
|
|
while ((t_line->line_number > number) && (t_line->prev_line != NULL))
|
|
{
|
|
i++;
|
|
t_line = t_line->prev_line;
|
|
direction = "u";
|
|
}
|
|
while ((t_line->line_number < number) && (t_line->next_line != NULL))
|
|
{
|
|
i++;
|
|
direction = "d";
|
|
t_line = t_line->next_line;
|
|
}
|
|
if ((i < 30) && (i > 0))
|
|
{
|
|
move_rel(direction, i);
|
|
}
|
|
else
|
|
{
|
|
curr_line = t_line;
|
|
point = curr_line->line;
|
|
position = 1;
|
|
midscreen((last_line / 2), point);
|
|
scr_pos = scr_horz;
|
|
}
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, line_num_str, curr_line->line_number);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
}
|
|
|
|
void
|
|
midscreen(line, pnt) /* put current line in middle of screen */
|
|
int line;
|
|
char *pnt;
|
|
{
|
|
struct text *mid_line;
|
|
int i;
|
|
|
|
line = min(line, last_line);
|
|
mid_line = curr_line;
|
|
for (i = 0; ((i < line) && (curr_line->prev_line != NULL)); i++)
|
|
curr_line = curr_line->prev_line;
|
|
scr_vert = scr_horz = 0;
|
|
wmove(text_win, 0, 0);
|
|
draw_screen();
|
|
scr_vert = i;
|
|
curr_line = mid_line;
|
|
scanline(pnt);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
}
|
|
|
|
void
|
|
get_options(numargs, arguments) /* get arguments from command line */
|
|
int numargs;
|
|
char *arguments[];
|
|
{
|
|
char *buff;
|
|
int count;
|
|
struct files *temp_names;
|
|
char *name;
|
|
char *ptr;
|
|
|
|
/*
|
|
| see if editor was invoked as 'ree' (restricted mode)
|
|
*/
|
|
|
|
if (!(name = strrchr(arguments[0], '/')))
|
|
name = arguments[0];
|
|
else
|
|
name++;
|
|
if (!strcmp(name, "ree"))
|
|
restricted = TRUE;
|
|
|
|
top_of_stack = NULL;
|
|
input_file = FALSE;
|
|
recv_file = FALSE;
|
|
count = 1;
|
|
while (count < numargs)
|
|
{
|
|
buff = arguments[count];
|
|
if (!strcmp("-i", buff))
|
|
{
|
|
info_window = FALSE;
|
|
}
|
|
else if (!strcmp("-e", buff))
|
|
{
|
|
expand_tabs = FALSE;
|
|
}
|
|
else if (!strcmp("-h", buff))
|
|
{
|
|
nohighlight = TRUE;
|
|
}
|
|
else if (!strcmp("-?", buff))
|
|
{
|
|
fprintf(stderr, usage0, arguments[0]);
|
|
fprintf(stderr, usage1);
|
|
fprintf(stderr, usage2);
|
|
fprintf(stderr, usage3);
|
|
fprintf(stderr, usage4);
|
|
exit(1);
|
|
}
|
|
else if (*buff == '+')
|
|
{
|
|
buff++;
|
|
start_at_line = buff;
|
|
}
|
|
|
|
else
|
|
{
|
|
if (top_of_stack == NULL)
|
|
{
|
|
temp_names = top_of_stack = name_alloc();
|
|
}
|
|
else
|
|
{
|
|
temp_names->next_name = name_alloc();
|
|
temp_names = temp_names->next_name;
|
|
}
|
|
ptr = temp_names->name = malloc(strlen(buff) + 1);
|
|
while (*buff != (char) NULL)
|
|
{
|
|
*ptr = *buff;
|
|
buff++;
|
|
ptr++;
|
|
}
|
|
*ptr = (char) NULL;
|
|
temp_names->next_name = NULL;
|
|
input_file = TRUE;
|
|
recv_file = TRUE;
|
|
}
|
|
count++;
|
|
}
|
|
}
|
|
|
|
void
|
|
check_fp() /* open or close files according to flags */
|
|
{
|
|
int line_num;
|
|
int temp;
|
|
struct stat buf;
|
|
|
|
clear_com_win = TRUE;
|
|
tmp_vert = scr_vert;
|
|
tmp_horz = scr_horz;
|
|
tmp_line = curr_line;
|
|
if (input_file)
|
|
{
|
|
in_file_name = tmp_file = top_of_stack->name;
|
|
top_of_stack = top_of_stack->next_name;
|
|
}
|
|
temp = stat(tmp_file, &buf);
|
|
buf.st_mode &= ~07777;
|
|
if ((temp != -1) && (buf.st_mode != 0100000) && (buf.st_mode != 0))
|
|
{
|
|
wprintw(com_win, file_is_dir_msg, tmp_file);
|
|
wrefresh(com_win);
|
|
if (input_file)
|
|
{
|
|
quit(0);
|
|
return;
|
|
}
|
|
else
|
|
return;
|
|
}
|
|
if ((get_fd = open(tmp_file, O_RDONLY)) == -1)
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
if (input_file)
|
|
wprintw(com_win, new_file_msg, tmp_file);
|
|
else
|
|
wprintw(com_win, cant_open_msg, tmp_file);
|
|
wrefresh(com_win);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
wrefresh(text_win);
|
|
recv_file = FALSE;
|
|
input_file = FALSE;
|
|
return;
|
|
}
|
|
else
|
|
get_file(tmp_file);
|
|
|
|
recv_file = FALSE;
|
|
line_num = curr_line->line_number;
|
|
scr_vert = tmp_vert;
|
|
scr_horz = tmp_horz;
|
|
if (input_file)
|
|
curr_line= first_line;
|
|
else
|
|
curr_line = tmp_line;
|
|
point = curr_line->line;
|
|
draw_screen();
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
if (input_file)
|
|
{
|
|
wprintw(com_win, open_file_msg, in_file_name, line_num);
|
|
input_file = FALSE;
|
|
if (start_at_line != NULL)
|
|
{
|
|
line_num = atoi(start_at_line) - 1;
|
|
move_rel("d", line_num);
|
|
line_num = 0;
|
|
start_at_line = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
text_changes = TRUE;
|
|
if ((tmp_file != NULL) && (*tmp_file != (char) NULL))
|
|
wprintw(com_win, file_read_fin_msg, tmp_file);
|
|
}
|
|
wrefresh(com_win);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
wrefresh(text_win);
|
|
}
|
|
|
|
void
|
|
get_file(file_name) /* read specified file into current buffer */
|
|
char *file_name;
|
|
{
|
|
int can_read; /* file has at least one character */
|
|
int length; /* length of line read by read */
|
|
int append; /* should text be appended to current line */
|
|
struct text *temp_line;
|
|
|
|
if (recv_file) /* if reading a file */
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, reading_file_msg, file_name);
|
|
if (access(file_name, 2)) /* check permission to write */
|
|
{
|
|
if ((errno == ENOTDIR) || (errno == EACCES) || (errno == EROFS) || (errno == ETXTBSY) || (errno == EFAULT))
|
|
wprintw(com_win, read_only_msg);
|
|
}
|
|
wrefresh(com_win);
|
|
}
|
|
if (curr_line->line_length > 1) /* if current line is not blank */
|
|
{
|
|
insert_line(FALSE);
|
|
left(FALSE);
|
|
append = FALSE;
|
|
}
|
|
else
|
|
append = TRUE;
|
|
can_read = FALSE; /* test if file has any characters */
|
|
while (((length = read(get_fd, in_string, 512)) != 0) && (length != -1))
|
|
{
|
|
can_read = TRUE; /* if set file has at least 1 character */
|
|
get_line(length, in_string, &append);
|
|
}
|
|
if ((can_read) && (curr_line->line_length == 1))
|
|
{
|
|
temp_line = curr_line->prev_line;
|
|
temp_line->next_line = curr_line->next_line;
|
|
if (temp_line->next_line != NULL)
|
|
temp_line->next_line->prev_line = temp_line;
|
|
if (curr_line->line != NULL)
|
|
free(curr_line->line);
|
|
free(curr_line);
|
|
curr_line = temp_line;
|
|
}
|
|
if (input_file) /* if this is the file to be edited display number of lines */
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, file_read_lines_msg, in_file_name, curr_line->line_number);
|
|
wrefresh(com_win);
|
|
}
|
|
else if (can_read) /* not input_file and file is non-zero size */
|
|
text_changes = TRUE;
|
|
|
|
if (recv_file) /* if reading a file */
|
|
{
|
|
in = EOF;
|
|
}
|
|
}
|
|
|
|
void
|
|
get_line(length, in_string, append) /* read string and split into lines */
|
|
int length; /* length of string read by read */
|
|
char *in_string; /* string read by read */
|
|
int *append; /* TRUE if must append more text to end of current line */
|
|
{
|
|
char *str1;
|
|
char *str2;
|
|
int num; /* offset from start of string */
|
|
int char_count; /* length of new line (or added portion */
|
|
int temp_counter; /* temporary counter value */
|
|
struct text *tline; /* temporary pointer to new line */
|
|
int first_time; /* if TRUE, the first time through the loop */
|
|
|
|
str2 = in_string;
|
|
num = 0;
|
|
first_time = TRUE;
|
|
while (num < length)
|
|
{
|
|
if (!first_time)
|
|
{
|
|
if (num < length)
|
|
{
|
|
str2++;
|
|
num++;
|
|
}
|
|
}
|
|
else
|
|
first_time = FALSE;
|
|
str1 = str2;
|
|
char_count = 1;
|
|
/* find end of line */
|
|
while ((*str2 != '\n') && (num < length))
|
|
{
|
|
str2++;
|
|
num++;
|
|
char_count++;
|
|
}
|
|
if (!(*append)) /* if not append to current line, insert new one */
|
|
{
|
|
tline = txtalloc(); /* allocate data structure for next line */
|
|
tline->line_number = curr_line->line_number + 1;
|
|
tline->next_line = curr_line->next_line;
|
|
tline->prev_line = curr_line;
|
|
curr_line->next_line = tline;
|
|
if (tline->next_line != NULL)
|
|
tline->next_line->prev_line = tline;
|
|
curr_line = tline;
|
|
curr_line->line = point = (char *) malloc(char_count);
|
|
curr_line->line_length = char_count;
|
|
curr_line->max_length = char_count;
|
|
}
|
|
else
|
|
{
|
|
point = resiz_line(char_count, curr_line, curr_line->line_length);
|
|
curr_line->line_length += (char_count - 1);
|
|
}
|
|
for (temp_counter = 1; temp_counter < char_count; temp_counter++)
|
|
{
|
|
*point = *str1;
|
|
point++;
|
|
str1++;
|
|
}
|
|
*point = (char) NULL;
|
|
*append = FALSE;
|
|
if ((num == length) && (*str2 != '\n'))
|
|
*append = TRUE;
|
|
}
|
|
}
|
|
|
|
void
|
|
draw_screen() /* redraw the screen from current postion */
|
|
{
|
|
struct text *temp_line;
|
|
char *line_out;
|
|
int temp_vert;
|
|
|
|
temp_line = curr_line;
|
|
temp_vert = scr_vert;
|
|
wclrtobot(text_win);
|
|
while ((temp_line != NULL) && (temp_vert <= last_line))
|
|
{
|
|
line_out = temp_line->line;
|
|
draw_line(temp_vert, 0, line_out, 1, temp_line->line_length);
|
|
temp_vert++;
|
|
temp_line = temp_line->next_line;
|
|
}
|
|
wmove(text_win, temp_vert, 0);
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
}
|
|
|
|
void
|
|
finish() /* prepare to exit edit session */
|
|
{
|
|
char *file_name = in_file_name;
|
|
|
|
/*
|
|
| changes made here should be reflected in the 'save'
|
|
| portion of file_op()
|
|
*/
|
|
|
|
if ((file_name == NULL) || (*file_name == (char) NULL))
|
|
file_name = get_string(save_file_name_prompt, TRUE);
|
|
|
|
if ((file_name == NULL) || (*file_name == (char) NULL))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wprintw(com_win, file_not_saved_msg);
|
|
wclrtoeol(com_win);
|
|
wrefresh(com_win);
|
|
clear_com_win = TRUE;
|
|
return;
|
|
}
|
|
|
|
tmp_file = resolve_name(file_name);
|
|
if (tmp_file != file_name)
|
|
{
|
|
free(file_name);
|
|
file_name = tmp_file;
|
|
}
|
|
|
|
if (write_file(file_name))
|
|
{
|
|
text_changes = FALSE;
|
|
quit(0);
|
|
}
|
|
}
|
|
|
|
int
|
|
quit(noverify) /* exit editor */
|
|
int noverify;
|
|
{
|
|
char *ans;
|
|
|
|
touchwin(text_win);
|
|
wrefresh(text_win);
|
|
if ((text_changes) && (!noverify))
|
|
{
|
|
ans = get_string(changes_made_prompt, TRUE);
|
|
if (toupper(*ans) == toupper(*yes_char))
|
|
text_changes = FALSE;
|
|
else
|
|
return(0);
|
|
free(ans);
|
|
}
|
|
if (top_of_stack == NULL)
|
|
{
|
|
if (info_window)
|
|
wrefresh(info_win);
|
|
wrefresh(com_win);
|
|
resetty();
|
|
endwin();
|
|
putchar('\n');
|
|
exit(0);
|
|
}
|
|
else
|
|
{
|
|
delete_text();
|
|
recv_file = TRUE;
|
|
input_file = TRUE;
|
|
check_fp();
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
void
|
|
edit_abort(arg)
|
|
int arg;
|
|
{
|
|
wrefresh(com_win);
|
|
resetty();
|
|
endwin();
|
|
putchar('\n');
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
delete_text()
|
|
{
|
|
while (curr_line->next_line != NULL)
|
|
curr_line = curr_line->next_line;
|
|
while (curr_line != first_line)
|
|
{
|
|
free(curr_line->line);
|
|
curr_line = curr_line->prev_line;
|
|
free(curr_line->next_line);
|
|
}
|
|
curr_line->next_line = NULL;
|
|
*curr_line->line = (char) NULL;
|
|
curr_line->line_length = 1;
|
|
curr_line->line_number = 1;
|
|
point = curr_line->line;
|
|
scr_pos = scr_vert = scr_horz = 0;
|
|
position = 1;
|
|
}
|
|
|
|
int
|
|
write_file(file_name)
|
|
char *file_name;
|
|
{
|
|
char cr;
|
|
char *tmp_point;
|
|
struct text *out_line;
|
|
int lines, charac;
|
|
int temp_pos;
|
|
int write_flag = TRUE;
|
|
|
|
charac = lines = 0;
|
|
if ((in_file_name == NULL) || strcmp(in_file_name, file_name))
|
|
{
|
|
if ((temp_fp = fopen(file_name, "r")))
|
|
{
|
|
tmp_point = get_string(file_exists_prompt, TRUE);
|
|
if (toupper(*tmp_point) == toupper(*yes_char))
|
|
write_flag = TRUE;
|
|
else
|
|
write_flag = FALSE;
|
|
fclose(temp_fp);
|
|
free(tmp_point);
|
|
}
|
|
}
|
|
|
|
clear_com_win = TRUE;
|
|
|
|
if (write_flag)
|
|
{
|
|
if ((temp_fp = fopen(file_name, "w")) == NULL)
|
|
{
|
|
clear_com_win = TRUE;
|
|
wmove(com_win,0,0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, create_file_fail_msg, file_name);
|
|
wrefresh(com_win);
|
|
return(FALSE);
|
|
}
|
|
else
|
|
{
|
|
wmove(com_win,0,0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, writing_file_msg, file_name);
|
|
wrefresh(com_win);
|
|
cr = '\n';
|
|
out_line = first_line;
|
|
while (out_line != NULL)
|
|
{
|
|
temp_pos = 1;
|
|
tmp_point= out_line->line;
|
|
while (temp_pos < out_line->line_length)
|
|
{
|
|
putc(*tmp_point, temp_fp);
|
|
tmp_point++;
|
|
temp_pos++;
|
|
}
|
|
charac += out_line->line_length;
|
|
out_line = out_line->next_line;
|
|
putc(cr, temp_fp);
|
|
lines++;
|
|
}
|
|
fclose(temp_fp);
|
|
wmove(com_win,0,0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, file_written_msg, file_name, lines, charac);
|
|
wrefresh(com_win);
|
|
return(TRUE);
|
|
}
|
|
}
|
|
else
|
|
return(FALSE);
|
|
}
|
|
|
|
int
|
|
search(display_message) /* search for string in srch_str */
|
|
int display_message;
|
|
{
|
|
int lines_moved;
|
|
int iter;
|
|
int found;
|
|
|
|
if ((srch_str == NULL) || (*srch_str == (char) NULL))
|
|
return(FALSE);
|
|
if (display_message)
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, searching_msg);
|
|
wrefresh(com_win);
|
|
clear_com_win = TRUE;
|
|
}
|
|
lines_moved = 0;
|
|
found = FALSE;
|
|
srch_line = curr_line;
|
|
srch_1 = point;
|
|
if (position < curr_line->line_length)
|
|
srch_1++;
|
|
iter = position + 1;
|
|
while ((!found) && (srch_line != NULL))
|
|
{
|
|
while ((iter < srch_line->line_length) && (!found))
|
|
{
|
|
srch_2 = srch_1;
|
|
if (case_sen) /* if case sensitive */
|
|
{
|
|
srch_3 = srch_str;
|
|
while ((*srch_2 == *srch_3) && (*srch_3 != (char) NULL))
|
|
{
|
|
found = TRUE;
|
|
srch_2++;
|
|
srch_3++;
|
|
} /* end while */
|
|
}
|
|
else /* if not case sensitive */
|
|
{
|
|
srch_3 = u_srch_str;
|
|
while ((toupper(*srch_2) == *srch_3) && (*srch_3 != (char) NULL))
|
|
{
|
|
found = TRUE;
|
|
srch_2++;
|
|
srch_3++;
|
|
}
|
|
} /* end else */
|
|
if (!((*srch_3 == (char) NULL) && (found)))
|
|
{
|
|
found = FALSE;
|
|
if (iter < srch_line->line_length)
|
|
srch_1++;
|
|
iter++;
|
|
}
|
|
}
|
|
if (!found)
|
|
{
|
|
srch_line = srch_line->next_line;
|
|
if (srch_line != NULL)
|
|
srch_1 = srch_line->line;
|
|
iter = 1;
|
|
lines_moved++;
|
|
}
|
|
}
|
|
if (found)
|
|
{
|
|
if (display_message)
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wrefresh(com_win);
|
|
}
|
|
if (lines_moved == 0)
|
|
{
|
|
while (position < iter)
|
|
right(TRUE);
|
|
}
|
|
else
|
|
{
|
|
if (lines_moved < 30)
|
|
{
|
|
move_rel("d", lines_moved);
|
|
while (position < iter)
|
|
right(TRUE);
|
|
}
|
|
else
|
|
{
|
|
curr_line = srch_line;
|
|
point = srch_1;
|
|
position = iter;
|
|
scanline(point);
|
|
scr_pos = scr_horz;
|
|
midscreen((last_line / 2), point);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (display_message)
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, str_not_found_msg, srch_str);
|
|
wrefresh(com_win);
|
|
}
|
|
wmove(text_win, scr_vert,(scr_horz - horiz_offset));
|
|
}
|
|
return(found);
|
|
}
|
|
|
|
void
|
|
search_prompt() /* prompt and read search string (srch_str) */
|
|
{
|
|
if (srch_str != NULL)
|
|
free(srch_str);
|
|
if ((u_srch_str != NULL) && (*u_srch_str != (char) NULL))
|
|
free(u_srch_str);
|
|
srch_str = get_string(search_prompt_str, FALSE);
|
|
gold = FALSE;
|
|
srch_3 = srch_str;
|
|
srch_1 = u_srch_str = malloc(strlen(srch_str) + 1);
|
|
while (*srch_3 != (char) NULL)
|
|
{
|
|
*srch_1 = toupper(*srch_3);
|
|
srch_1++;
|
|
srch_3++;
|
|
}
|
|
*srch_1 = (char) NULL;
|
|
search(TRUE);
|
|
}
|
|
|
|
void
|
|
del_char() /* delete current character */
|
|
{
|
|
in = 8; /* backspace */
|
|
if (position < curr_line->line_length) /* if not end of line */
|
|
{
|
|
position++;
|
|
point++;
|
|
scanline(point);
|
|
delete(TRUE);
|
|
}
|
|
else
|
|
{
|
|
right(FALSE);
|
|
delete(FALSE);
|
|
}
|
|
}
|
|
|
|
void
|
|
undel_char() /* undelete last deleted character */
|
|
{
|
|
if (d_char == '\n') /* insert line if last del_char deleted eol */
|
|
insert_line(TRUE);
|
|
else
|
|
{
|
|
in = d_char;
|
|
insert(in);
|
|
}
|
|
}
|
|
|
|
void
|
|
del_word() /* delete word in front of cursor */
|
|
{
|
|
int tposit;
|
|
int difference;
|
|
char *d_word2;
|
|
char *d_word3;
|
|
char tmp_char;
|
|
|
|
if (d_word != NULL)
|
|
free(d_word);
|
|
d_word = malloc(curr_line->line_length);
|
|
tmp_char = d_char;
|
|
d_word3 = point;
|
|
d_word2 = d_word;
|
|
tposit = position;
|
|
while ((tposit < curr_line->line_length) &&
|
|
((*d_word3 != ' ') && (*d_word3 != '\t')))
|
|
{
|
|
tposit++;
|
|
*d_word2 = *d_word3;
|
|
d_word2++;
|
|
d_word3++;
|
|
}
|
|
while ((tposit < curr_line->line_length) &&
|
|
((*d_word3 == ' ') || (*d_word3 == '\t')))
|
|
{
|
|
tposit++;
|
|
*d_word2 = *d_word3;
|
|
d_word2++;
|
|
d_word3++;
|
|
}
|
|
*d_word2 = (char) NULL;
|
|
d_wrd_len = difference = d_word2 - d_word;
|
|
d_word2 = point;
|
|
while (tposit < curr_line->line_length)
|
|
{
|
|
tposit++;
|
|
*d_word2 = *d_word3;
|
|
d_word2++;
|
|
d_word3++;
|
|
}
|
|
curr_line->line_length -= difference;
|
|
*d_word2 = (char) NULL;
|
|
draw_line(scr_vert, scr_horz,point,position,curr_line->line_length);
|
|
d_char = tmp_char;
|
|
text_changes = TRUE;
|
|
formatted = FALSE;
|
|
}
|
|
|
|
void
|
|
undel_word() /* undelete last deleted word */
|
|
{
|
|
int temp;
|
|
int tposit;
|
|
char *tmp_old_ptr;
|
|
char *tmp_space;
|
|
char *tmp_ptr;
|
|
char *d_word_ptr;
|
|
|
|
/*
|
|
| resize line to handle undeleted word
|
|
*/
|
|
if ((curr_line->max_length - (curr_line->line_length + d_wrd_len)) < 5)
|
|
point = resiz_line(d_wrd_len, curr_line, position);
|
|
tmp_ptr = tmp_space = malloc(curr_line->line_length + d_wrd_len);
|
|
d_word_ptr = d_word;
|
|
temp = 1;
|
|
/*
|
|
| copy d_word contents into temp space
|
|
*/
|
|
while (temp <= d_wrd_len)
|
|
{
|
|
temp++;
|
|
*tmp_ptr = *d_word_ptr;
|
|
tmp_ptr++;
|
|
d_word_ptr++;
|
|
}
|
|
tmp_old_ptr = point;
|
|
tposit = position;
|
|
/*
|
|
| copy contents of line from curent position to eol into
|
|
| temp space
|
|
*/
|
|
while (tposit < curr_line->line_length)
|
|
{
|
|
temp++;
|
|
tposit++;
|
|
*tmp_ptr = *tmp_old_ptr;
|
|
tmp_ptr++;
|
|
tmp_old_ptr++;
|
|
}
|
|
curr_line->line_length += d_wrd_len;
|
|
tmp_old_ptr = point;
|
|
*tmp_ptr = (char) NULL;
|
|
tmp_ptr = tmp_space;
|
|
tposit = 1;
|
|
/*
|
|
| now copy contents from temp space back to original line
|
|
*/
|
|
while (tposit < temp)
|
|
{
|
|
tposit++;
|
|
*tmp_old_ptr = *tmp_ptr;
|
|
tmp_ptr++;
|
|
tmp_old_ptr++;
|
|
}
|
|
*tmp_old_ptr = (char) NULL;
|
|
free(tmp_space);
|
|
draw_line(scr_vert, scr_horz, point, position, curr_line->line_length);
|
|
}
|
|
|
|
void
|
|
del_line() /* delete from cursor to end of line */
|
|
{
|
|
char *dl1;
|
|
char *dl2;
|
|
int tposit;
|
|
|
|
if (d_line != NULL)
|
|
free(d_line);
|
|
d_line = malloc(curr_line->line_length);
|
|
dl1 = d_line;
|
|
dl2 = point;
|
|
tposit = position;
|
|
while (tposit < curr_line->line_length)
|
|
{
|
|
*dl1 = *dl2;
|
|
dl1++;
|
|
dl2++;
|
|
tposit++;
|
|
}
|
|
dlt_line->line_length = 1 + tposit - position;
|
|
*dl1 = (char) NULL;
|
|
*point = (char) NULL;
|
|
curr_line->line_length = position;
|
|
wclrtoeol(text_win);
|
|
if (curr_line->next_line != NULL)
|
|
{
|
|
right(FALSE);
|
|
delete(FALSE);
|
|
}
|
|
text_changes = TRUE;
|
|
}
|
|
|
|
void
|
|
undel_line() /* undelete last deleted line */
|
|
{
|
|
char *ud1;
|
|
char *ud2;
|
|
int tposit;
|
|
|
|
insert_line(TRUE);
|
|
left(TRUE);
|
|
point = resiz_line(dlt_line->line_length, curr_line, position);
|
|
curr_line->line_length += dlt_line->line_length - 1;
|
|
ud1 = point;
|
|
ud2 = d_line;
|
|
tposit = 1;
|
|
while (tposit < dlt_line->line_length)
|
|
{
|
|
tposit++;
|
|
*ud1 = *ud2;
|
|
ud1++;
|
|
ud2++;
|
|
}
|
|
*ud1 = (char) NULL;
|
|
draw_line(scr_vert, scr_horz,point,position,curr_line->line_length);
|
|
}
|
|
|
|
void
|
|
adv_word() /* advance to next word */
|
|
{
|
|
while ((position < curr_line->line_length) && ((*point != 32) && (*point != 9)))
|
|
right(TRUE);
|
|
while ((position < curr_line->line_length) && ((*point == 32) || (*point == 9)))
|
|
right(TRUE);
|
|
}
|
|
|
|
void
|
|
move_rel(direction, lines) /* move relative to current line */
|
|
char *direction;
|
|
int lines;
|
|
{
|
|
int i;
|
|
char *tmp;
|
|
|
|
if (*direction == 'u')
|
|
{
|
|
scr_pos = 0;
|
|
while (position > 1)
|
|
left(TRUE);
|
|
for (i = 0; i < lines; i++)
|
|
{
|
|
up();
|
|
}
|
|
if ((last_line > 5) && ( scr_vert < 4))
|
|
{
|
|
tmp = point;
|
|
tmp_line = curr_line;
|
|
for (i= 0;(i<5)&&(curr_line->prev_line != NULL); i++)
|
|
{
|
|
up();
|
|
}
|
|
scr_vert = scr_vert + i;
|
|
curr_line = tmp_line;
|
|
point = tmp;
|
|
scanline(point);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((position != 1) && (curr_line->next_line != NULL))
|
|
{
|
|
nextline();
|
|
scr_pos = scr_horz = 0;
|
|
if (horiz_offset)
|
|
{
|
|
horiz_offset = 0;
|
|
midscreen(scr_vert, point);
|
|
}
|
|
}
|
|
else
|
|
adv_line();
|
|
for (i = 1; i < lines; i++)
|
|
{
|
|
down();
|
|
}
|
|
if ((last_line > 10) && (scr_vert > (last_line - 5)))
|
|
{
|
|
tmp = point;
|
|
tmp_line = curr_line;
|
|
for (i=0; (i<5) && (curr_line->next_line != NULL); i++)
|
|
{
|
|
down();
|
|
}
|
|
scr_vert = scr_vert - i;
|
|
curr_line = tmp_line;
|
|
point = tmp;
|
|
scanline(point);
|
|
}
|
|
}
|
|
wmove(text_win, scr_vert, (scr_horz - horiz_offset));
|
|
}
|
|
|
|
void
|
|
eol() /* go to end of line */
|
|
{
|
|
if (position < curr_line->line_length)
|
|
{
|
|
while (position < curr_line->line_length)
|
|
right(TRUE);
|
|
}
|
|
else if (curr_line->next_line != NULL)
|
|
{
|
|
right(TRUE);
|
|
while (position < curr_line->line_length)
|
|
right(TRUE);
|
|
}
|
|
}
|
|
|
|
void
|
|
bol() /* move to beginning of line */
|
|
{
|
|
if (point != curr_line->line)
|
|
{
|
|
while (point != curr_line->line)
|
|
left(TRUE);
|
|
}
|
|
else if (curr_line->prev_line != NULL)
|
|
{
|
|
scr_pos = 0;
|
|
up();
|
|
}
|
|
}
|
|
|
|
void
|
|
adv_line() /* advance to beginning of next line */
|
|
{
|
|
if ((point != curr_line->line) || (scr_pos > 0))
|
|
{
|
|
while (position < curr_line->line_length)
|
|
right(TRUE);
|
|
right(TRUE);
|
|
}
|
|
else if (curr_line->next_line != NULL)
|
|
{
|
|
scr_pos = 0;
|
|
down();
|
|
}
|
|
}
|
|
|
|
void
|
|
sh_command(string) /* execute shell command */
|
|
char *string; /* string containing user command */
|
|
{
|
|
char *temp_point;
|
|
char *last_slash;
|
|
char *path; /* directory path to executable */
|
|
int parent; /* zero if child, child's pid if parent */
|
|
int value;
|
|
int return_val;
|
|
struct text *line_holder;
|
|
|
|
if (restrict_mode())
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!(path = getenv("SHELL")))
|
|
path = "/bin/sh";
|
|
last_slash = temp_point = path;
|
|
while (*temp_point != (char) NULL)
|
|
{
|
|
if (*temp_point == '/')
|
|
last_slash = ++temp_point;
|
|
else
|
|
temp_point++;
|
|
}
|
|
|
|
/*
|
|
| if in_pipe is true, then output of the shell operation will be
|
|
| read by the editor, and curses doesn't need to be turned off
|
|
*/
|
|
|
|
if (!in_pipe)
|
|
{
|
|
keypad(com_win, FALSE);
|
|
keypad(text_win, FALSE);
|
|
echo();
|
|
nl();
|
|
noraw();
|
|
resetty();
|
|
|
|
#ifndef NCURSE
|
|
endwin();
|
|
#endif
|
|
}
|
|
|
|
if (in_pipe)
|
|
{
|
|
pipe(pipe_in); /* create a pipe */
|
|
parent = fork();
|
|
if (!parent) /* if the child */
|
|
{
|
|
/*
|
|
| child process which will fork and exec shell command (if shell output is
|
|
| to be read by editor)
|
|
*/
|
|
in_pipe = FALSE;
|
|
/*
|
|
| redirect stdout to pipe
|
|
*/
|
|
temp_stdout = dup(1);
|
|
close(1);
|
|
dup(pipe_in[1]);
|
|
/*
|
|
| redirect stderr to pipe
|
|
*/
|
|
temp_stderr = dup(2);
|
|
close(2);
|
|
dup(pipe_in[1]);
|
|
close(pipe_in[1]);
|
|
/*
|
|
| child will now continue down 'if (!in_pipe)'
|
|
| path below
|
|
*/
|
|
}
|
|
else /* if the parent */
|
|
{
|
|
/*
|
|
| prepare editor to read from the pipe
|
|
*/
|
|
signal(SIGCHLD, SIG_IGN);
|
|
line_holder = curr_line;
|
|
tmp_vert = scr_vert;
|
|
close(pipe_in[1]);
|
|
get_fd = pipe_in[0];
|
|
get_file("");
|
|
close(pipe_in[0]);
|
|
scr_vert = tmp_vert;
|
|
scr_horz = scr_pos = 0;
|
|
position = 1;
|
|
curr_line = line_holder;
|
|
point = curr_line->line;
|
|
out_pipe = FALSE;
|
|
signal(SIGCHLD, SIG_DFL);
|
|
/*
|
|
| since flag "in_pipe" is still TRUE, the path which waits for the child
|
|
| process to die will be avoided.
|
|
| (the pipe is closed, no more output can be expected)
|
|
*/
|
|
}
|
|
}
|
|
if (!in_pipe)
|
|
{
|
|
signal(SIGINT, SIG_IGN);
|
|
if (out_pipe)
|
|
{
|
|
pipe(pipe_out);
|
|
}
|
|
/*
|
|
| fork process which will exec command
|
|
*/
|
|
parent = fork();
|
|
if (!parent) /* if the child */
|
|
{
|
|
if (shell_fork)
|
|
putchar('\n');
|
|
if (out_pipe)
|
|
{
|
|
/*
|
|
| prepare the child process (soon to exec a shell command) to read from the
|
|
| pipe (which will be output from the editor's buffer)
|
|
*/
|
|
close(0);
|
|
dup(pipe_out[0]);
|
|
close(pipe_out[0]);
|
|
close(pipe_out[1]);
|
|
}
|
|
for (value = 1; value < 24; value++)
|
|
signal(value, SIG_DFL);
|
|
execl(path, last_slash, "-c", string, NULL);
|
|
printf(exec_err_msg, path);
|
|
exit(-1);
|
|
}
|
|
else /* if the parent */
|
|
{
|
|
if (out_pipe)
|
|
{
|
|
/*
|
|
| output the contents of the buffer to the pipe (to be read by the
|
|
| process forked and exec'd above as stdin)
|
|
*/
|
|
close(pipe_out[0]);
|
|
line_holder = first_line;
|
|
while (line_holder != NULL)
|
|
{
|
|
write(pipe_out[1], line_holder->line, (line_holder->line_length-1));
|
|
write(pipe_out[1], "\n", 1);
|
|
line_holder = line_holder->next_line;
|
|
}
|
|
close(pipe_out[1]);
|
|
out_pipe = FALSE;
|
|
}
|
|
do
|
|
{
|
|
return_val = wait((int *) 0);
|
|
}
|
|
while ((return_val != parent) && (return_val != -1));
|
|
/*
|
|
| if this process is actually the child of the editor, exit. Here's how it
|
|
| works:
|
|
| The editor forks a process. If output must be sent to the command to be
|
|
| exec'd another process is forked, and that process (the child's child)
|
|
| will exec the command. In this case, "shell_fork" will be FALSE. If no
|
|
| output is to be performed to the shell command, "shell_fork" will be TRUE.
|
|
| If this is the editor process, shell_fork will be true, otherwise this is
|
|
| the child of the edit process.
|
|
*/
|
|
if (!shell_fork)
|
|
exit(0);
|
|
}
|
|
signal(SIGINT, edit_abort);
|
|
}
|
|
if (shell_fork)
|
|
{
|
|
printf(continue_msg);
|
|
fflush(stdout);
|
|
while ((in = getchar()) != '\n')
|
|
;
|
|
}
|
|
|
|
if (!in_pipe)
|
|
{
|
|
fixterm();
|
|
noecho();
|
|
nonl();
|
|
raw();
|
|
keypad(text_win, TRUE);
|
|
keypad(com_win, TRUE);
|
|
if (info_window)
|
|
clearok(info_win, TRUE);
|
|
}
|
|
|
|
redraw();
|
|
}
|
|
|
|
void
|
|
set_up_term() /* set up the terminal for operating with ae */
|
|
{
|
|
if (!curses_initialized)
|
|
{
|
|
initscr();
|
|
savetty();
|
|
noecho();
|
|
raw();
|
|
nonl();
|
|
curses_initialized = TRUE;
|
|
}
|
|
|
|
if (((LINES > 15) && (COLS >= 80)) && info_window)
|
|
last_line = LINES - 8;
|
|
else
|
|
{
|
|
info_window = FALSE;
|
|
last_line = LINES - 2;
|
|
}
|
|
|
|
idlok(stdscr, TRUE);
|
|
com_win = newwin(1, COLS, (LINES - 1), 0);
|
|
keypad(com_win, TRUE);
|
|
idlok(com_win, TRUE);
|
|
wrefresh(com_win);
|
|
if (!info_window)
|
|
text_win = newwin((LINES - 1), COLS, 0, 0);
|
|
else
|
|
text_win = newwin((LINES - 7), COLS, 6, 0);
|
|
keypad(text_win, TRUE);
|
|
idlok(text_win, TRUE);
|
|
wrefresh(text_win);
|
|
help_win = newwin((LINES - 1), COLS, 0, 0);
|
|
keypad(help_win, TRUE);
|
|
idlok(help_win, TRUE);
|
|
if (info_window)
|
|
{
|
|
info_type = CONTROL_KEYS;
|
|
info_win = newwin(6, COLS, 0, 0);
|
|
werase(info_win);
|
|
paint_info_win();
|
|
}
|
|
|
|
last_col = COLS - 1;
|
|
local_LINES = LINES;
|
|
local_COLS = COLS;
|
|
}
|
|
|
|
void
|
|
resize_check()
|
|
{
|
|
if ((LINES == local_LINES) && (COLS == local_COLS))
|
|
return;
|
|
|
|
if (info_window)
|
|
delwin(info_win);
|
|
delwin(text_win);
|
|
delwin(com_win);
|
|
delwin(help_win);
|
|
set_up_term();
|
|
redraw();
|
|
wrefresh(text_win);
|
|
}
|
|
|
|
int
|
|
menu_op(menu_list)
|
|
struct menu_entries * menu_list;
|
|
{
|
|
WINDOW *temp_win;
|
|
int max_width, max_height;
|
|
int x_off, y_off;
|
|
int counter;
|
|
int length;
|
|
int input;
|
|
int list_size;
|
|
int top_offset;
|
|
int temp_int;
|
|
char *cancel_string = menu_cancel_msg;
|
|
|
|
/*
|
|
| determine number and width of menu items
|
|
*/
|
|
|
|
list_size = 1;
|
|
while (menu_list[list_size + 1].item_string != NULL)
|
|
list_size++;
|
|
max_width = strlen(cancel_string);
|
|
for (counter = 0; counter <= list_size; counter++)
|
|
{
|
|
if ((length = strlen(menu_list[counter].item_string)) > max_width)
|
|
max_width = length;
|
|
}
|
|
max_width += 6;
|
|
|
|
/*
|
|
| make sure that window is large enough to handle menu
|
|
| if not, print error message and return to calling function
|
|
*/
|
|
|
|
if ((LINES < list_size) || (max_width > COLS))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
werase(com_win);
|
|
wprintw(com_win, menu_size_err_msg);
|
|
clear_com_win = TRUE;
|
|
return(0);
|
|
}
|
|
|
|
top_offset = 0;
|
|
max_height = list_size;
|
|
|
|
if (LINES >= (list_size + 8))
|
|
{
|
|
max_height = list_size + 8;
|
|
top_offset = 4;
|
|
}
|
|
x_off = (COLS - max_width) / 2;
|
|
y_off = (LINES - max_height - 1) / 2;
|
|
temp_win = newwin(max_height, max_width, y_off, x_off);
|
|
keypad(temp_win, TRUE);
|
|
werase(temp_win);
|
|
|
|
/*
|
|
| output top and bottom portions of menu box only if window
|
|
| large enough
|
|
*/
|
|
|
|
if (max_height > list_size)
|
|
{
|
|
wmove(temp_win, 1, 1);
|
|
if (!nohighlight)
|
|
wstandout(temp_win);
|
|
waddch(temp_win, '+');
|
|
for (counter = 0; counter < (max_width - 4); counter++)
|
|
waddch(temp_win, '-');
|
|
waddch(temp_win, '+');
|
|
|
|
wmove(temp_win, (max_height - 2), 1);
|
|
waddch(temp_win, '+');
|
|
for (counter = 0; counter < (max_width - 4); counter++)
|
|
waddch(temp_win, '-');
|
|
waddch(temp_win, '+');
|
|
wstandend(temp_win);
|
|
wmove(temp_win, 2, 3);
|
|
waddstr(temp_win, menu_list[0].item_string);
|
|
wmove(temp_win, (max_height - 3), 3);
|
|
waddstr(temp_win, cancel_string);
|
|
}
|
|
if (!nohighlight)
|
|
wstandout(temp_win);
|
|
for (counter = 0; counter < (list_size + top_offset); counter++)
|
|
{
|
|
if (top_offset == 4)
|
|
{
|
|
temp_int = counter + 2;
|
|
}
|
|
else
|
|
temp_int = counter;
|
|
|
|
wmove(temp_win, temp_int, 1);
|
|
waddch(temp_win, '|');
|
|
wmove(temp_win, temp_int, (max_width - 2));
|
|
waddch(temp_win, '|');
|
|
}
|
|
wstandend(temp_win);
|
|
for (counter = 1; counter <= list_size; counter++)
|
|
{
|
|
wmove(temp_win, (top_offset + counter - 1), 3);
|
|
waddstr(temp_win, menu_list[counter].item_string);
|
|
}
|
|
counter = 1;
|
|
do
|
|
{
|
|
wmove(temp_win, (counter + top_offset - 1), 3);
|
|
wrefresh(temp_win);
|
|
input = wgetch(temp_win);
|
|
if (input == -1)
|
|
exit(0);
|
|
switch (input)
|
|
{
|
|
case ' ': /* space */
|
|
case '\022': /* ^r, right */
|
|
case '\004': /* ^d, down */
|
|
case KEY_RIGHT:
|
|
case KEY_DOWN:
|
|
counter++;
|
|
if (counter > list_size)
|
|
counter = 1;
|
|
break;
|
|
case '\010': /* ^h, backspace*/
|
|
case '\014': /* ^l, left */
|
|
case '\025': /* ^u, up */
|
|
case 127: /* ^?, delete */
|
|
case KEY_LEFT:
|
|
case KEY_UP:
|
|
counter--;
|
|
if (counter == 0)
|
|
counter = list_size;
|
|
break;
|
|
case '\033': /* escape key */
|
|
counter = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
while ((input != '\r') && (input != '\n') && (input != '\033'));
|
|
|
|
werase(temp_win);
|
|
wrefresh(temp_win);
|
|
delwin(temp_win);
|
|
|
|
if ((menu_list[counter].procedure != NULL) ||
|
|
(menu_list[counter].iprocedure != NULL) ||
|
|
(menu_list[counter].nprocedure != NULL))
|
|
{
|
|
if (menu_list[counter].argument != -1)
|
|
(*menu_list[counter].iprocedure)(menu_list[counter].argument);
|
|
else if (menu_list[counter].ptr_argument != NULL)
|
|
(*menu_list[counter].procedure)(menu_list[counter].ptr_argument);
|
|
else
|
|
(*menu_list[counter].nprocedure)();
|
|
}
|
|
|
|
if (info_window)
|
|
paint_info_win();
|
|
midscreen(scr_vert, point);
|
|
|
|
return(counter);
|
|
}
|
|
|
|
void
|
|
help()
|
|
{
|
|
int counter;
|
|
|
|
werase(help_win);
|
|
clearok(help_win, TRUE);
|
|
for (counter = 0; counter < 22; counter++)
|
|
{
|
|
wmove(help_win, counter, 0);
|
|
waddstr(help_win, (emacs_keys_mode) ?
|
|
emacs_help_text[counter] : help_text[counter]);
|
|
}
|
|
wrefresh(help_win);
|
|
werase(com_win);
|
|
wmove(com_win, 0, 0);
|
|
wprintw(com_win, press_any_key_msg);
|
|
wrefresh(com_win);
|
|
counter = wgetch(com_win);
|
|
if (counter == -1)
|
|
exit(0);
|
|
werase(com_win);
|
|
wmove(com_win, 0, 0);
|
|
werase(help_win);
|
|
wrefresh(help_win);
|
|
wrefresh(com_win);
|
|
redraw();
|
|
}
|
|
|
|
void
|
|
paint_info_win()
|
|
{
|
|
int counter;
|
|
|
|
if (!info_window)
|
|
return;
|
|
|
|
werase(info_win);
|
|
for (counter = 0; counter < 5; counter++)
|
|
{
|
|
wmove(info_win, counter, 0);
|
|
wclrtoeol(info_win);
|
|
if (info_type == CONTROL_KEYS)
|
|
waddstr(info_win, (emacs_keys_mode) ?
|
|
emacs_control_keys[counter] : control_keys[counter]);
|
|
else if (info_type == COMMANDS)
|
|
waddstr(info_win, command_strings[counter]);
|
|
}
|
|
wmove(info_win, 5, 0);
|
|
if (!nohighlight)
|
|
wstandout(info_win);
|
|
waddstr(info_win, "===============================================================================");
|
|
wstandend(info_win);
|
|
wrefresh(info_win);
|
|
}
|
|
|
|
void
|
|
no_info_window()
|
|
{
|
|
if (!info_window)
|
|
return;
|
|
delwin(info_win);
|
|
delwin(text_win);
|
|
info_window = FALSE;
|
|
last_line = LINES - 2;
|
|
text_win = newwin((LINES - 1), COLS, 0, 0);
|
|
keypad(text_win, TRUE);
|
|
idlok(text_win, TRUE);
|
|
clearok(text_win, TRUE);
|
|
midscreen(scr_vert, point);
|
|
wrefresh(text_win);
|
|
clear_com_win = TRUE;
|
|
}
|
|
|
|
void
|
|
create_info_window()
|
|
{
|
|
if (info_window)
|
|
return;
|
|
last_line = LINES - 8;
|
|
delwin(text_win);
|
|
text_win = newwin((LINES - 7), COLS, 6, 0);
|
|
keypad(text_win, TRUE);
|
|
idlok(text_win, TRUE);
|
|
werase(text_win);
|
|
info_window = TRUE;
|
|
info_win = newwin(6, COLS, 0, 0);
|
|
werase(info_win);
|
|
info_type = CONTROL_KEYS;
|
|
midscreen(min(scr_vert, last_line), point);
|
|
clearok(info_win, TRUE);
|
|
paint_info_win();
|
|
wrefresh(text_win);
|
|
clear_com_win = TRUE;
|
|
}
|
|
|
|
int
|
|
file_op(arg)
|
|
int arg;
|
|
{
|
|
char *string;
|
|
int flag;
|
|
|
|
if (restrict_mode())
|
|
{
|
|
return(0);
|
|
}
|
|
|
|
if (arg == READ_FILE)
|
|
{
|
|
string = get_string(file_read_prompt_str, TRUE);
|
|
recv_file = TRUE;
|
|
tmp_file = resolve_name(string);
|
|
check_fp();
|
|
if (tmp_file != string)
|
|
free(tmp_file);
|
|
free(string);
|
|
}
|
|
else if (arg == WRITE_FILE)
|
|
{
|
|
string = get_string(file_write_prompt_str, TRUE);
|
|
tmp_file = resolve_name(string);
|
|
write_file(tmp_file);
|
|
if (tmp_file != string)
|
|
free(tmp_file);
|
|
free(string);
|
|
}
|
|
else if (arg == SAVE_FILE)
|
|
{
|
|
/*
|
|
| changes made here should be reflected in finish()
|
|
*/
|
|
|
|
if (in_file_name)
|
|
flag = TRUE;
|
|
else
|
|
flag = FALSE;
|
|
|
|
string = in_file_name;
|
|
if ((string == NULL) || (*string == (char) NULL))
|
|
string = get_string(save_file_name_prompt, TRUE);
|
|
if ((string == NULL) || (*string == (char) NULL))
|
|
{
|
|
wmove(com_win, 0, 0);
|
|
wprintw(com_win, file_not_saved_msg);
|
|
wclrtoeol(com_win);
|
|
wrefresh(com_win);
|
|
clear_com_win = TRUE;
|
|
return(0);
|
|
}
|
|
if (!flag)
|
|
{
|
|
tmp_file = resolve_name(string);
|
|
if (tmp_file != string)
|
|
{
|
|
free(string);
|
|
string = tmp_file;
|
|
}
|
|
}
|
|
if (write_file(string))
|
|
{
|
|
in_file_name = string;
|
|
text_changes = FALSE;
|
|
}
|
|
else if (!flag)
|
|
free(string);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
void
|
|
shell_op()
|
|
{
|
|
char *string;
|
|
|
|
if (((string = get_string(shell_prompt, TRUE)) != NULL) &&
|
|
(*string != (char) NULL))
|
|
{
|
|
sh_command(string);
|
|
free(string);
|
|
}
|
|
}
|
|
|
|
void
|
|
leave_op()
|
|
{
|
|
if (text_changes)
|
|
{
|
|
menu_op(leave_menu);
|
|
}
|
|
else
|
|
quit(TRUE);
|
|
}
|
|
|
|
void
|
|
redraw()
|
|
{
|
|
if (info_window)
|
|
{
|
|
clearok(info_win, TRUE);
|
|
paint_info_win();
|
|
}
|
|
else
|
|
clearok(text_win, TRUE);
|
|
midscreen(scr_vert, point);
|
|
}
|
|
|
|
/*
|
|
| The following routines will "format" a paragraph (as defined by a
|
|
| block of text with blank lines before and after the block).
|
|
*/
|
|
|
|
int
|
|
Blank_Line(test_line) /* test if line has any non-space characters */
|
|
struct text *test_line;
|
|
{
|
|
char *line;
|
|
int length;
|
|
|
|
if (test_line == NULL)
|
|
return(TRUE);
|
|
|
|
length = 1;
|
|
line = test_line->line;
|
|
|
|
/*
|
|
| To handle troff/nroff documents, consider a line with a
|
|
| period ('.') in the first column to be blank. To handle mail
|
|
| messages with included text, consider a line with a '>' blank.
|
|
*/
|
|
|
|
if ((*line == '.') || (*line == '>'))
|
|
return(TRUE);
|
|
|
|
while (((*line == ' ') || (*line == '\t')) && (length < test_line->line_length))
|
|
{
|
|
length++;
|
|
line++;
|
|
}
|
|
if (length != test_line->line_length)
|
|
return(FALSE);
|
|
else
|
|
return(TRUE);
|
|
}
|
|
|
|
void
|
|
Format() /* format the paragraph according to set margins */
|
|
{
|
|
int string_count;
|
|
int offset;
|
|
int temp_case;
|
|
int status;
|
|
int tmp_af;
|
|
int counter;
|
|
char *line;
|
|
char *tmp_srchstr;
|
|
char *temp1, *temp2;
|
|
char *temp_dword;
|
|
char temp_d_char = d_char;
|
|
|
|
/*
|
|
| if observ_margins is not set, or the current line is blank,
|
|
| do not format the current paragraph
|
|
*/
|
|
|
|
if ((!observ_margins) || (Blank_Line(curr_line)))
|
|
return;
|
|
|
|
/*
|
|
| save the currently set flags, and clear them
|
|
*/
|
|
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, formatting_msg);
|
|
wrefresh(com_win);
|
|
|
|
/*
|
|
| get current position in paragraph, so after formatting, the cursor
|
|
| will be in the same relative position
|
|
*/
|
|
|
|
tmp_af = auto_format;
|
|
auto_format = FALSE;
|
|
offset = position;
|
|
if (position != 1)
|
|
prev_word();
|
|
temp_dword = d_word;
|
|
d_word = NULL;
|
|
temp_case = case_sen;
|
|
case_sen = TRUE;
|
|
tmp_srchstr = srch_str;
|
|
temp2 = srch_str = (char *) malloc(1 + curr_line->line_length - position);
|
|
if ((*point == ' ') || (*point == '\t'))
|
|
adv_word();
|
|
offset -= position;
|
|
counter = position;
|
|
line = temp1 = point;
|
|
while ((*temp1 != (char) NULL) && (*temp1 != ' ') && (*temp1 != '\t') && (counter < curr_line->line_length))
|
|
{
|
|
*temp2 = *temp1;
|
|
temp2++;
|
|
temp1++;
|
|
counter++;
|
|
}
|
|
*temp2 = (char) NULL;
|
|
if (position != 1)
|
|
bol();
|
|
while (!Blank_Line(curr_line->prev_line))
|
|
bol();
|
|
string_count = 0;
|
|
status = TRUE;
|
|
while ((line != point) && (status))
|
|
{
|
|
status = search(FALSE);
|
|
string_count++;
|
|
}
|
|
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, formatting_msg);
|
|
wrefresh(com_win);
|
|
|
|
/*
|
|
| now get back to the start of the paragraph to start formatting
|
|
*/
|
|
|
|
if (position != 1)
|
|
bol();
|
|
while (!Blank_Line(curr_line->prev_line))
|
|
bol();
|
|
|
|
observ_margins = FALSE;
|
|
|
|
/*
|
|
| Start going through lines, putting spaces at end of lines if they do
|
|
| not already exist. Append lines together to get one long line, and
|
|
| eliminate spacing at begin of lines.
|
|
*/
|
|
|
|
while (!Blank_Line(curr_line->next_line))
|
|
{
|
|
eol();
|
|
left(TRUE);
|
|
if (*point != ' ')
|
|
{
|
|
right(TRUE);
|
|
insert(' ');
|
|
}
|
|
else
|
|
right(TRUE);
|
|
del_char();
|
|
if ((*point == ' ') || (*point == '\t'))
|
|
del_word();
|
|
}
|
|
|
|
/*
|
|
| Now there is one long line. Eliminate extra spaces within the line
|
|
| after the first word (so as not to blow away any indenting the user
|
|
| may have put in).
|
|
*/
|
|
|
|
bol();
|
|
adv_word();
|
|
while (position < curr_line->line_length)
|
|
{
|
|
if ((*point == ' ') && (*(point + 1) == ' '))
|
|
del_char();
|
|
else
|
|
right(TRUE);
|
|
}
|
|
|
|
/*
|
|
| Now make sure there are two spaces after a '.'.
|
|
*/
|
|
|
|
bol();
|
|
while (position < curr_line->line_length)
|
|
{
|
|
if ((*point == '.') && (*(point + 1) == ' '))
|
|
{
|
|
right(TRUE);
|
|
insert(' ');
|
|
insert(' ');
|
|
while (*point == ' ')
|
|
del_char();
|
|
}
|
|
right(TRUE);
|
|
}
|
|
|
|
observ_margins = TRUE;
|
|
bol();
|
|
|
|
wmove(com_win, 0, 0);
|
|
wclrtoeol(com_win);
|
|
wprintw(com_win, formatting_msg);
|
|
wrefresh(com_win);
|
|
|
|
/*
|
|
| create lines between margins
|
|
*/
|
|
|
|
while (position < curr_line->line_length)
|
|
{
|
|
while ((scr_pos < right_margin) && (position < curr_line->line_length))
|
|
right(TRUE);
|
|
if (position < curr_line->line_length)
|
|
{
|
|
prev_word();
|
|
if (position == 1)
|
|
adv_word();
|
|
insert_line(TRUE);
|
|
}
|
|
}
|
|
|
|
/*
|
|
| go back to begin of paragraph, put cursor back to original position
|
|
*/
|
|
|
|
bol();
|
|
while (!Blank_Line(curr_line->prev_line))
|
|
bol();
|
|
|
|
/*
|
|
| find word cursor was in
|
|
*/
|
|
|
|
while ((status) && (string_count > 0))
|
|
{
|
|
search(FALSE);
|
|
string_count--;
|
|
}
|
|
|
|
/*
|
|
| offset the cursor to where it was before from the start of the word
|
|
*/
|
|
|
|
while (offset > 0)
|
|
{
|
|
offset--;
|
|
right(TRUE);
|
|
}
|
|
|
|
/*
|
|
| reset flags and strings to what they were before formatting
|
|
*/
|
|
|
|
if (d_word != NULL)
|
|
free(d_word);
|
|
d_word = temp_dword;
|
|
case_sen = temp_case;
|
|
free(srch_str);
|
|
srch_str = tmp_srchstr;
|
|
d_char = temp_d_char;
|
|
auto_format = tmp_af;
|
|
|
|
midscreen(scr_vert, point);
|
|
werase(com_win);
|
|
wrefresh(com_win);
|
|
}
|
|
|
|
char *init_name[3] = {
|
|
"/usr/share/misc/init.ee",
|
|
NULL,
|
|
".init.ee"
|
|
};
|
|
|
|
void
|
|
ee_init() /* check for init file and read it if it exists */
|
|
{
|
|
FILE *init_file;
|
|
char *string;
|
|
char *str1;
|
|
char *str2;
|
|
char *home;
|
|
int counter;
|
|
int temp_int;
|
|
|
|
string = getenv("HOME");
|
|
str1 = home = malloc(strlen(string)+10);
|
|
strcpy(home, string);
|
|
strcat(home, "/.init.ee");
|
|
init_name[1] = home;
|
|
string = malloc(512);
|
|
|
|
for (counter = 0; counter < 3; counter++)
|
|
{
|
|
if (!(access(init_name[counter], 4)))
|
|
{
|
|
init_file = fopen(init_name[counter], "r");
|
|
while ((str2 = fgets(string, 512, init_file)) != NULL)
|
|
{
|
|
if (unique_test(string, init_strings) != 1)
|
|
continue;
|
|
str1 = str2 = string;
|
|
while (*str2 != '\n')
|
|
str2++;
|
|
*str2 = (char) NULL;
|
|
if (compare(str1, CASE, FALSE))
|
|
case_sen = TRUE;
|
|
else if (compare(str1, NOCASE, FALSE))
|
|
case_sen = FALSE;
|
|
else if (compare(str1, EXPAND, FALSE))
|
|
expand_tabs = TRUE;
|
|
else if (compare(str1, NOEXPAND, FALSE))
|
|
expand_tabs = FALSE;
|
|
else if (compare(str1, INFO, FALSE))
|
|
info_window = TRUE;
|
|
else if (compare(str1, NOINFO, FALSE))
|
|
info_window = FALSE;
|
|
else if (compare(str1, MARGINS, FALSE))
|
|
observ_margins = TRUE;
|
|
else if (compare(str1, NOMARGINS, FALSE))
|
|
observ_margins = FALSE;
|
|
else if (compare(str1, AUTOFORMAT, FALSE))
|
|
{
|
|
auto_format = TRUE;
|
|
observ_margins = TRUE;
|
|
}
|
|
else if (compare(str1, NOAUTOFORMAT, FALSE))
|
|
auto_format = FALSE;
|
|
else if (compare(str1, Echo, FALSE))
|
|
{
|
|
str1 = next_word(str1);
|
|
if (*str1 != (char) NULL)
|
|
echo_string(str1);
|
|
}
|
|
else if (compare(str1, PRINTCOMMAND, FALSE))
|
|
{
|
|
str1 = next_word(str1);
|
|
print_command = malloc(strlen(str1)+1);
|
|
strcpy(print_command, str1);
|
|
}
|
|
else if (compare(str1, RIGHTMARGIN, FALSE))
|
|
{
|
|
str1 = next_word(str1);
|
|
if ((*str1 >= '0') && (*str1 <= '9'))
|
|
{
|
|
temp_int = atoi(str1);
|
|
if (temp_int > 0)
|
|
right_margin = temp_int;
|
|
}
|
|
}
|
|
else if (compare(str1, HIGHLIGHT, FALSE))
|
|
nohighlight = FALSE;
|
|
else if (compare(str1, NOHIGHLIGHT, FALSE))
|
|
nohighlight = TRUE;
|
|
else if (compare(str1, EIGHTBIT, FALSE))
|
|
eightbit = TRUE;
|
|
else if (compare(str1, NOEIGHTBIT, FALSE))
|
|
eightbit = FALSE;
|
|
else if (compare(str1, EMACS_string, FALSE))
|
|
emacs_keys_mode = TRUE;
|
|
else if (compare(str1, NOEMACS_string, FALSE))
|
|
emacs_keys_mode = FALSE;
|
|
}
|
|
fclose(init_file);
|
|
}
|
|
}
|
|
free(string);
|
|
free(home);
|
|
}
|
|
|
|
void
|
|
echo_string(string) /* echo the given string */
|
|
char *string;
|
|
{
|
|
char *temp;
|
|
int Counter;
|
|
|
|
temp = string;
|
|
while (*temp != (char) NULL)
|
|
{
|
|
if (*temp == '\\')
|
|
{
|
|
temp++;
|
|
if (*temp == 'n')
|
|
putchar('\n');
|
|
else if (*temp == 't')
|
|
putchar('\t');
|
|
else if (*temp == 'b')
|
|
putchar('\b');
|
|
else if (*temp == 'r')
|
|
putchar('\r');
|
|
else if (*temp == 'f')
|
|
putchar('\f');
|
|
else if ((*temp == 'e') || (*temp == 'E'))
|
|
putchar('\033'); /* escape */
|
|
else if (*temp == '\\')
|
|
putchar('\\');
|
|
else if (*temp == '\'')
|
|
putchar('\'');
|
|
else if ((*temp >= '0') && (*temp <= '9'))
|
|
{
|
|
Counter = 0;
|
|
while ((*temp >= '0') && (*temp <= '9'))
|
|
{
|
|
Counter = (8 * Counter) + (*temp - '0');
|
|
temp++;
|
|
}
|
|
putchar(Counter);
|
|
temp--;
|
|
}
|
|
temp++;
|
|
}
|
|
else
|
|
{
|
|
putchar(*temp);
|
|
temp++;
|
|
}
|
|
}
|
|
|
|
fflush(stdout);
|
|
}
|
|
|
|
void
|
|
spell_op() /* check spelling of words in the editor */
|
|
{
|
|
if (restrict_mode())
|
|
{
|
|
return;
|
|
}
|
|
top(); /* go to top of file */
|
|
insert_line(FALSE); /* create two blank lines */
|
|
insert_line(FALSE);
|
|
top();
|
|
command(shell_echo_msg);
|
|
adv_line();
|
|
wmove(com_win, 0, 0);
|
|
wprintw(com_win, spell_in_prog_msg);
|
|
wrefresh(com_win);
|
|
command("<>!spell"); /* send contents of buffer to command 'spell'
|
|
and read the results back into the editor */
|
|
}
|
|
|
|
void
|
|
ispell_op()
|
|
{
|
|
char name[128];
|
|
char string[256];
|
|
int pid;
|
|
|
|
if (restrict_mode())
|
|
{
|
|
return;
|
|
}
|
|
pid = getpid();
|
|
sprintf(name, "/tmp/ee.%d", pid);
|
|
if (write_file(name))
|
|
{
|
|
sprintf(string, "ispell %s", name);
|
|
sh_command(string);
|
|
delete_text();
|
|
tmp_file = name;
|
|
recv_file = TRUE;
|
|
check_fp();
|
|
unlink(name);
|
|
}
|
|
}
|
|
|
|
int
|
|
first_word_len(test_line)
|
|
struct text *test_line;
|
|
{
|
|
int counter;
|
|
char *pnt;
|
|
|
|
pnt = test_line->line;
|
|
if ((test_line == NULL) || (pnt == NULL) || (*pnt == (char) NULL) ||
|
|
(*pnt == '.') || (*pnt == '>'))
|
|
return(0);
|
|
|
|
if ((*pnt == ' ') || (*pnt == '\t'))
|
|
{
|
|
pnt = next_word(pnt);
|
|
}
|
|
|
|
if (*pnt == (char) NULL)
|
|
return(0);
|
|
|
|
counter = 0;
|
|
while ((*pnt != (char) NULL) && ((*pnt != ' ') && (*pnt != '\t')))
|
|
{
|
|
pnt++;
|
|
counter++;
|
|
}
|
|
while ((*pnt != (char) NULL) && ((*pnt == ' ') || (*pnt == '\t')))
|
|
{
|
|
pnt++;
|
|
counter++;
|
|
}
|
|
return(counter);
|
|
}
|
|
|
|
void
|
|
Auto_Format() /* format the paragraph according to set margins */
|
|
{
|
|
int string_count;
|
|
int offset;
|
|
int temp_case;
|
|
int word_len;
|
|
int temp_dwl;
|
|
int tmp_d_line_length;
|
|
int leave_loop = FALSE;
|
|
int status;
|
|
int counter;
|
|
char *line;
|
|
char *tmp_srchstr;
|
|
char *temp1, *temp2;
|
|
char *temp_dword;
|
|
char temp_d_char = d_char;
|
|
char *tmp_d_line;
|
|
|
|
/*
|
|
| if observ_margins is not set, or the current line is blank,
|
|
| do not format the current paragraph
|
|
*/
|
|
|
|
if ((!observ_margins) || (Blank_Line(curr_line)))
|
|
return;
|
|
|
|
/*
|
|
| get current position in paragraph, so after formatting, the cursor
|
|
| will be in the same relative position
|
|
*/
|
|
|
|
tmp_d_line = d_line;
|
|
tmp_d_line_length = dlt_line->line_length;
|
|
d_line = NULL;
|
|
auto_format = FALSE;
|
|
offset = position;
|
|
if ((position != 1) && ((*point == ' ') || (*point == '\t') || (position == curr_line->line_length) || (*point == (char) NULL)))
|
|
prev_word();
|
|
temp_dword = d_word;
|
|
temp_dwl = d_wrd_len;
|
|
d_wrd_len = 0;
|
|
d_word = NULL;
|
|
temp_case = case_sen;
|
|
case_sen = TRUE;
|
|
tmp_srchstr = srch_str;
|
|
temp2 = srch_str = (char *) malloc(1 + curr_line->line_length - position);
|
|
if ((*point == ' ') || (*point == '\t'))
|
|
adv_word();
|
|
offset -= position;
|
|
counter = position;
|
|
line = temp1 = point;
|
|
while ((*temp1 != (char) NULL) && (*temp1 != ' ') && (*temp1 != '\t') && (counter < curr_line->line_length))
|
|
{
|
|
*temp2 = *temp1;
|
|
temp2++;
|
|
temp1++;
|
|
counter++;
|
|
}
|
|
*temp2 = (char) NULL;
|
|
if (position != 1)
|
|
bol();
|
|
while (!Blank_Line(curr_line->prev_line))
|
|
bol();
|
|
string_count = 0;
|
|
status = TRUE;
|
|
while ((line != point) && (status))
|
|
{
|
|
status = search(FALSE);
|
|
string_count++;
|
|
}
|
|
|
|
/*
|
|
| now get back to the start of the paragraph to start checking
|
|
*/
|
|
|
|
if (position != 1)
|
|
bol();
|
|
while (!Blank_Line(curr_line->prev_line))
|
|
bol();
|
|
|
|
/*
|
|
| Start going through lines, putting spaces at end of lines if they do
|
|
| not already exist. Check line length, and move words to the next line
|
|
| if they cross the margin. Then get words from the next line if they
|
|
| will fit in before the margin.
|
|
*/
|
|
|
|
while (!leave_loop)
|
|
{
|
|
if (position != curr_line->line_length)
|
|
eol();
|
|
left(TRUE);
|
|
if (*point != ' ')
|
|
{
|
|
right(TRUE);
|
|
insert(' ');
|
|
}
|
|
else
|
|
right(TRUE);
|
|
|
|
/*
|
|
| fill line if first word on next line will fit
|
|
| in the line without crossing the margin
|
|
*/
|
|
|
|
while ((curr_line->next_line != NULL) &&
|
|
((word_len = first_word_len(curr_line->next_line)) > 0)
|
|
&& ((scr_pos + word_len) < right_margin))
|
|
{
|
|
adv_line();
|
|
if ((*point == ' ') || (*point == '\t'))
|
|
adv_word();
|
|
del_word();
|
|
if (position != 1)
|
|
bol();
|
|
if (Blank_Line(curr_line))
|
|
{
|
|
del_line();
|
|
}
|
|
/*
|
|
| go to end of previous line
|
|
*/
|
|
left(TRUE);
|
|
undel_word();
|
|
eol();
|
|
/*
|
|
| make sure there's a space at the end of the line
|
|
*/
|
|
left(TRUE);
|
|
if (*point != ' ')
|
|
{
|
|
right(TRUE);
|
|
insert(' ');
|
|
}
|
|
else
|
|
right(TRUE);
|
|
}
|
|
|
|
/*
|
|
| make sure line does not cross right margin
|
|
*/
|
|
|
|
while (right_margin <= scr_pos)
|
|
{
|
|
prev_word();
|
|
if (position != 1)
|
|
{
|
|
del_word();
|
|
if (Blank_Line(curr_line->next_line))
|
|
insert_line(TRUE);
|
|
else
|
|
adv_line();
|
|
if ((*point == ' ') || (*point == '\t'))
|
|
adv_word();
|
|
undel_word();
|
|
if (position != 1)
|
|
bol();
|
|
left(TRUE);
|
|
}
|
|
}
|
|
|
|
if (!Blank_Line(curr_line->next_line))
|
|
adv_line();
|
|
else
|
|
leave_loop = TRUE;
|
|
}
|
|
|
|
/*
|
|
| go back to begin of paragraph, put cursor back to original position
|
|
*/
|
|
|
|
bol();
|
|
while (!Blank_Line(curr_line->prev_line))
|
|
bol();
|
|
|
|
/*
|
|
| find word cursor was in
|
|
*/
|
|
|
|
status = TRUE;
|
|
while ((status) && (string_count > 0))
|
|
{
|
|
status = search(FALSE);
|
|
string_count--;
|
|
}
|
|
|
|
/*
|
|
| offset the cursor to where it was before from the start of the word
|
|
*/
|
|
|
|
while (offset > 0)
|
|
{
|
|
offset--;
|
|
right(TRUE);
|
|
}
|
|
|
|
if ((string_count > 0) && (offset < 0))
|
|
{
|
|
while (offset < 0)
|
|
{
|
|
offset++;
|
|
left(TRUE);
|
|
}
|
|
}
|
|
|
|
/*
|
|
| reset flags and strings to what they were before formatting
|
|
*/
|
|
|
|
if (d_word != NULL)
|
|
free(d_word);
|
|
d_word = temp_dword;
|
|
d_wrd_len = temp_dwl;
|
|
case_sen = temp_case;
|
|
free(srch_str);
|
|
srch_str = tmp_srchstr;
|
|
d_char = temp_d_char;
|
|
auto_format = TRUE;
|
|
dlt_line->line_length = tmp_d_line_length;
|
|
d_line = tmp_d_line;
|
|
|
|
formatted = TRUE;
|
|
midscreen(scr_vert, point);
|
|
}
|
|
|
|
void
|
|
modes_op()
|
|
{
|
|
int ret_value;
|
|
int counter;
|
|
char *string;
|
|
|
|
do
|
|
{
|
|
sprintf(modes_menu[1].item_string, "%s %s", mode_strings[1],
|
|
(expand_tabs ? ON : OFF));
|
|
sprintf(modes_menu[2].item_string, "%s %s", mode_strings[2],
|
|
(case_sen ? ON : OFF));
|
|
sprintf(modes_menu[3].item_string, "%s %s", mode_strings[3],
|
|
(observ_margins ? ON : OFF));
|
|
sprintf(modes_menu[4].item_string, "%s %s", mode_strings[4],
|
|
(auto_format ? ON : OFF));
|
|
sprintf(modes_menu[5].item_string, "%s %s", mode_strings[5],
|
|
(eightbit ? ON : OFF));
|
|
sprintf(modes_menu[6].item_string, "%s %s", mode_strings[6],
|
|
(info_window ? ON : OFF));
|
|
sprintf(modes_menu[7].item_string, "%s %s", mode_strings[7],
|
|
(emacs_keys_mode ? ON : OFF));
|
|
sprintf(modes_menu[8].item_string, "%s %d", mode_strings[8],
|
|
right_margin);
|
|
|
|
ret_value = menu_op(modes_menu);
|
|
|
|
switch (ret_value)
|
|
{
|
|
case 1:
|
|
expand_tabs = !expand_tabs;
|
|
break;
|
|
case 2:
|
|
case_sen = !case_sen;
|
|
break;
|
|
case 3:
|
|
observ_margins = !observ_margins;
|
|
break;
|
|
case 4:
|
|
auto_format = !auto_format;
|
|
if (auto_format)
|
|
observ_margins = TRUE;
|
|
break;
|
|
case 5:
|
|
eightbit = !eightbit;
|
|
redraw();
|
|
wnoutrefresh(text_win);
|
|
break;
|
|
case 6:
|
|
if (info_window)
|
|
no_info_window();
|
|
else
|
|
create_info_window();
|
|
break;
|
|
case 7:
|
|
emacs_keys_mode = !emacs_keys_mode;
|
|
if (info_window)
|
|
paint_info_win();
|
|
break;
|
|
case 8:
|
|
string = get_string(margin_prompt, TRUE);
|
|
if (string != NULL)
|
|
{
|
|
counter = atoi(string);
|
|
if (counter > 0)
|
|
right_margin = counter;
|
|
free(string);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
while (ret_value != 0);
|
|
}
|
|
|
|
char *
|
|
is_in_string(string, substring) /* a strstr() look-alike for systems without
|
|
strstr() */
|
|
char * string, *substring;
|
|
{
|
|
char *full, *sub;
|
|
|
|
for (sub = substring; (sub != NULL) && (*sub != (char)NULL); sub++)
|
|
{
|
|
for (full = string; (full != NULL) && (*full != (char)NULL);
|
|
full++)
|
|
{
|
|
if (*sub == *full)
|
|
return(full);
|
|
}
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
| handle names of the form "~/file", "~user/file",
|
|
| "$HOME/foo", "~/$FOO", etc.
|
|
*/
|
|
|
|
char *
|
|
resolve_name(name)
|
|
char *name;
|
|
{
|
|
char long_buffer[1024];
|
|
char short_buffer[128];
|
|
char *buffer;
|
|
char *slash;
|
|
char *tmp;
|
|
char *start_of_var;
|
|
int offset;
|
|
int index;
|
|
int counter;
|
|
struct passwd *user;
|
|
|
|
if (name[0] == '~')
|
|
{
|
|
if (name[1] == '/')
|
|
{
|
|
index = getuid();
|
|
user = (struct passwd *) getpwuid(index);
|
|
slash = name + 1;
|
|
}
|
|
else
|
|
{
|
|
slash = strchr(name, '/');
|
|
if (slash == NULL)
|
|
return(name);
|
|
*slash = (char) NULL;
|
|
user = (struct passwd *) getpwnam((name + 1));
|
|
*slash = '/';
|
|
}
|
|
if (user == NULL)
|
|
{
|
|
return(name);
|
|
}
|
|
buffer = malloc(strlen(user->pw_dir) + strlen(slash) + 1);
|
|
strcpy(buffer, user->pw_dir);
|
|
strcat(buffer, slash);
|
|
}
|
|
else
|
|
buffer = name;
|
|
|
|
if (is_in_string(buffer, "$"))
|
|
{
|
|
tmp = buffer;
|
|
index = 0;
|
|
|
|
while ((*tmp != (char) NULL) && (index < 1024))
|
|
{
|
|
|
|
while ((*tmp != (char) NULL) && (*tmp != '$') &&
|
|
(index < 1024))
|
|
{
|
|
long_buffer[index] = *tmp;
|
|
tmp++;
|
|
index++;
|
|
}
|
|
|
|
if ((*tmp == '$') && (index < 1024))
|
|
{
|
|
counter = 0;
|
|
start_of_var = tmp;
|
|
tmp++;
|
|
if (*tmp == '{') /* } */ /* bracketed variable name */
|
|
{
|
|
tmp++; /* { */
|
|
while ((*tmp != (char) NULL) &&
|
|
(*tmp != '}') &&
|
|
(counter < 128))
|
|
{
|
|
short_buffer[counter] = *tmp;
|
|
counter++;
|
|
tmp++;
|
|
} /* { */
|
|
if (*tmp == '}')
|
|
tmp++;
|
|
}
|
|
else
|
|
{
|
|
while ((*tmp != (char) NULL) &&
|
|
(*tmp != '/') &&
|
|
(*tmp != '$') &&
|
|
(counter < 128))
|
|
{
|
|
short_buffer[counter] = *tmp;
|
|
counter++;
|
|
tmp++;
|
|
}
|
|
}
|
|
short_buffer[counter] = (char) NULL;
|
|
if ((slash = getenv(short_buffer)) != NULL)
|
|
{
|
|
offset = strlen(slash);
|
|
if ((offset + index) < 1024)
|
|
strcpy(&long_buffer[index], slash);
|
|
index += offset;
|
|
}
|
|
else
|
|
{
|
|
while ((start_of_var != tmp) && (index < 1024))
|
|
{
|
|
long_buffer[index] = *start_of_var;
|
|
start_of_var++;
|
|
index++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (index == 1024)
|
|
return(buffer);
|
|
else
|
|
long_buffer[index] = (char) NULL;
|
|
|
|
if (name != buffer)
|
|
free(buffer);
|
|
buffer = malloc(index + 1);
|
|
strcpy(buffer, long_buffer);
|
|
}
|
|
|
|
return(buffer);
|
|
}
|
|
|
|
int
|
|
restrict_mode()
|
|
{
|
|
if (!restricted)
|
|
return(FALSE);
|
|
|
|
wmove(com_win, 0, 0);
|
|
wprintw(com_win, restricted_msg);
|
|
wclrtoeol(com_win);
|
|
wrefresh(com_win);
|
|
clear_com_win = TRUE;
|
|
return(TRUE);
|
|
}
|
|
|
|
/*
|
|
| The following routine tests the input string against the list of
|
|
| strings, to determine if the string is a unique match with one of the
|
|
| valid values.
|
|
*/
|
|
|
|
int
|
|
unique_test(string, list)
|
|
char *string;
|
|
char *list[];
|
|
{
|
|
int counter;
|
|
int num_match;
|
|
int result;
|
|
|
|
num_match = 0;
|
|
counter = 0;
|
|
while (list[counter] != NULL)
|
|
{
|
|
result = compare(string, list[counter], FALSE);
|
|
if (result)
|
|
num_match++;
|
|
counter++;
|
|
}
|
|
return(num_match);
|
|
}
|
|
|
|
#ifndef NO_CATGETS
|
|
/*
|
|
| Get the catalog entry, and if it got it from the catalog,
|
|
| make a copy, since the buffer will be overwritten by the
|
|
| next call to catgets().
|
|
*/
|
|
|
|
char *
|
|
catgetlocal(number, string)
|
|
int number;
|
|
char *string;
|
|
{
|
|
char *temp1;
|
|
char *temp2;
|
|
|
|
temp1 = catgets(catalog, 1, number, string);
|
|
if (temp1 != string)
|
|
{
|
|
temp2 = malloc(strlen(temp1) + 1);
|
|
strcpy(temp2, temp1);
|
|
temp1 = temp2;
|
|
}
|
|
return(temp1);
|
|
}
|
|
#endif /* NO_CATGETS */
|
|
|
|
/*
|
|
| The following is to allow for using message catalogs which allow
|
|
| the software to be 'localized', that is, to use different languages
|
|
| all with the same binary. For more information, see your system
|
|
| documentation, or the X/Open Internationalization Guide.
|
|
*/
|
|
|
|
void
|
|
strings_init()
|
|
{
|
|
int counter;
|
|
|
|
#ifndef NO_CATGETS
|
|
setlocale(LC_ALL, "");
|
|
catalog = catopen("ee", 0);
|
|
#endif /* NO_CATGETS */
|
|
|
|
modes_menu[0].item_string = catgetlocal( 1, "modes menu");
|
|
mode_strings[1] = catgetlocal( 2, "tabs to spaces ");
|
|
mode_strings[2] = catgetlocal( 3, "case sensitive search");
|
|
mode_strings[3] = catgetlocal( 4, "margins observed ");
|
|
mode_strings[4] = catgetlocal( 5, "auto-paragraph format");
|
|
mode_strings[5] = catgetlocal( 6, "eightbit characters ");
|
|
mode_strings[6] = catgetlocal( 7, "info window ");
|
|
mode_strings[8] = catgetlocal( 8, "right margin ");
|
|
leave_menu[0].item_string = catgetlocal( 9, "leave menu");
|
|
leave_menu[1].item_string = catgetlocal( 10, "save changes");
|
|
leave_menu[2].item_string = catgetlocal( 11, "no save");
|
|
file_menu[0].item_string = catgetlocal( 12, "file menu");
|
|
file_menu[1].item_string = catgetlocal( 13, "read a file");
|
|
file_menu[2].item_string = catgetlocal( 14, "write a file");
|
|
file_menu[3].item_string = catgetlocal( 15, "save file");
|
|
file_menu[4].item_string = catgetlocal( 16, "print editor contents");
|
|
search_menu[0].item_string = catgetlocal( 17, "search menu");
|
|
search_menu[1].item_string = catgetlocal( 18, "search for ...");
|
|
search_menu[2].item_string = catgetlocal( 19, "search");
|
|
spell_menu[0].item_string = catgetlocal( 20, "spell menu");
|
|
spell_menu[1].item_string = catgetlocal( 21, "use 'spell'");
|
|
spell_menu[2].item_string = catgetlocal( 22, "use 'ispell'");
|
|
misc_menu[0].item_string = catgetlocal( 23, "miscellaneous menu");
|
|
misc_menu[1].item_string = catgetlocal( 24, "format paragraph");
|
|
misc_menu[2].item_string = catgetlocal( 25, "shell command");
|
|
misc_menu[3].item_string = catgetlocal( 26, "check spelling");
|
|
main_menu[0].item_string = catgetlocal( 27, "main menu");
|
|
main_menu[1].item_string = catgetlocal( 28, "leave editor");
|
|
main_menu[2].item_string = catgetlocal( 29, "help");
|
|
main_menu[3].item_string = catgetlocal( 30, "file operations");
|
|
main_menu[4].item_string = catgetlocal( 31, "redraw screen");
|
|
main_menu[5].item_string = catgetlocal( 32, "settings");
|
|
main_menu[6].item_string = catgetlocal( 33, "search");
|
|
main_menu[7].item_string = catgetlocal( 34, "miscellaneous");
|
|
help_text[0] = catgetlocal( 35, "Control keys: ");
|
|
help_text[1] = catgetlocal( 36, "^a ascii code ^i tab ^r right ");
|
|
help_text[2] = catgetlocal( 37, "^b bottom of text ^j newline ^t top of text ");
|
|
help_text[3] = catgetlocal( 38, "^c command ^k delete char ^u up ");
|
|
help_text[4] = catgetlocal( 39, "^d down ^l left ^v undelete word ");
|
|
help_text[5] = catgetlocal( 40, "^e search prompt ^m newline ^w delete word ");
|
|
help_text[6] = catgetlocal( 41, "^f undelete char ^n next page ^x search ");
|
|
help_text[7] = catgetlocal( 42, "^g begin of line ^o end of line ^y delete line ");
|
|
help_text[8] = catgetlocal( 43, "^h backspace ^p prev page ^z undelete line ");
|
|
help_text[9] = catgetlocal( 44, "^[ (escape) menu ");
|
|
help_text[10] = catgetlocal( 45, " ");
|
|
help_text[11] = catgetlocal( 46, "Commands: ");
|
|
help_text[12] = catgetlocal( 47, "help : get this info file : print file name ");
|
|
help_text[13] = catgetlocal( 48, "read : read a file char : ascii code of char ");
|
|
help_text[14] = catgetlocal( 49, "write : write a file case : case sensitive search ");
|
|
help_text[15] = catgetlocal( 50, "exit : leave and save nocase : case insensitive search ");
|
|
help_text[16] = catgetlocal( 51, "quit : leave, no save !cmd : execute \"cmd\" in shell ");
|
|
help_text[17] = catgetlocal( 52, "line : display line # 0-9 : go to line \"#\" ");
|
|
help_text[18] = catgetlocal( 53, "expand : expand tabs noexpand: do not expand tabs ");
|
|
help_text[19] = catgetlocal( 54, " ");
|
|
help_text[20] = catgetlocal( 55, " ee [-i] [-e] [-h] [file(s)] ");
|
|
help_text[21] = catgetlocal( 56, " -i : no information window -e : do not expand tabs -h : no highlight ");
|
|
control_keys[0] = catgetlocal( 57, "^[ (escape) menu ^e search prompt ^y delete line ^u up ^p prev page ");
|
|
control_keys[1] = catgetlocal( 58, "^a ascii code ^x search ^z undelete line ^d down ^n next page ");
|
|
control_keys[2] = catgetlocal( 59, "^b bottom of text ^g begin of line ^w delete word ^l left ");
|
|
control_keys[3] = catgetlocal( 60, "^t top of text ^o end of line ^v undelete word ^r right ");
|
|
control_keys[4] = catgetlocal( 61, "^c command ^k delete char ^f undelete char ");
|
|
command_strings[0] = catgetlocal( 62, "help : get help info |file : print file name |line : print line # ");
|
|
command_strings[1] = catgetlocal( 63, "read : read a file |char : ascii code of char |0-9 : go to line \"#\"");
|
|
command_strings[2] = catgetlocal( 64, "write: write a file |case : case sensitive search |exit : leave and save ");
|
|
command_strings[3] = catgetlocal( 65, "!cmd : shell \"cmd\" |nocase: ignore case in search |quit : leave, no save");
|
|
command_strings[4] = catgetlocal( 66, "expand: expand tabs |noexpand: do not expand tabs ");
|
|
com_win_message = catgetlocal( 67, " press Escape (^[) for menu");
|
|
no_file_string = catgetlocal( 68, "no file");
|
|
ascii_code_str = catgetlocal( 69, "ascii code: ");
|
|
printer_msg_str = catgetlocal( 70, "sending contents of buffer to \"%s\" ");
|
|
command_str = catgetlocal( 71, "command: ");
|
|
file_write_prompt_str = catgetlocal( 72, "name of file to write: ");
|
|
file_read_prompt_str = catgetlocal( 73, "name of file to read: ");
|
|
char_str = catgetlocal( 74, "character = %d");
|
|
unkn_cmd_str = catgetlocal( 75, "unknown command \"%s\"");
|
|
non_unique_cmd_msg = catgetlocal( 76, "entered command is not unique");
|
|
line_num_str = catgetlocal( 77, "line %d ");
|
|
line_len_str = catgetlocal( 78, "length = %d");
|
|
current_file_str = catgetlocal( 79, "current file is \"%s\" ");
|
|
usage0 = catgetlocal( 80, "usage: %s [-i] [-e] [-h] [+line_number] [file(s)]\n");
|
|
usage1 = catgetlocal( 81, " -i turn off info window\n");
|
|
usage2 = catgetlocal( 82, " -e do not convert tabs to spaces\n");
|
|
usage3 = catgetlocal( 83, " -h do not use highlighting\n");
|
|
file_is_dir_msg = catgetlocal( 84, "file \"%s\" is a directory");
|
|
new_file_msg = catgetlocal( 85, "new file \"%s\"");
|
|
cant_open_msg = catgetlocal( 86, "can't open \"%s\"");
|
|
open_file_msg = catgetlocal( 87, "file \"%s\", %d lines");
|
|
file_read_fin_msg = catgetlocal( 88, "finished reading file \"%s\"");
|
|
reading_file_msg = catgetlocal( 89, "reading file \"%s\"");
|
|
read_only_msg = catgetlocal( 90, ", read only");
|
|
file_read_lines_msg = catgetlocal( 91, "file \"%s\", %d lines");
|
|
save_file_name_prompt = catgetlocal( 92, "enter name of file: ");
|
|
file_not_saved_msg = catgetlocal( 93, "no filename entered: file not saved");
|
|
changes_made_prompt = catgetlocal( 94, "changes have been made, are you sure? (y/n [n]) ");
|
|
yes_char = catgetlocal( 95, "y");
|
|
file_exists_prompt = catgetlocal( 96, "file already exists, overwrite? (y/n) [n] ");
|
|
create_file_fail_msg = catgetlocal( 97, "unable to create file \"%s\"");
|
|
writing_file_msg = catgetlocal( 98, "writing file \"%s\"");
|
|
file_written_msg = catgetlocal( 99, "\"%s\" %d lines, %d characters");
|
|
searching_msg = catgetlocal( 100, " ...searching");
|
|
str_not_found_msg = catgetlocal( 101, "string \"%s\" not found");
|
|
search_prompt_str = catgetlocal( 102, "search for: ");
|
|
exec_err_msg = catgetlocal( 103, "could not exec %s\n");
|
|
continue_msg = catgetlocal( 104, "press return to continue ");
|
|
menu_cancel_msg = catgetlocal( 105, "press Esc to cancel");
|
|
menu_size_err_msg = catgetlocal( 106, "menu too large for window");
|
|
press_any_key_msg = catgetlocal( 107, "press any key to continue ");
|
|
shell_prompt = catgetlocal( 108, "shell command: ");
|
|
formatting_msg = catgetlocal( 109, "...formatting paragraph...");
|
|
shell_echo_msg = catgetlocal( 110, "<!echo 'list of unrecognized words'; echo -=-=-=-=-=-");
|
|
spell_in_prog_msg = catgetlocal( 111, "sending contents of edit buffer to 'spell'");
|
|
margin_prompt = catgetlocal( 112, "right margin is: ");
|
|
restricted_msg = catgetlocal( 113, "restricted mode: unable to perform requested operation");
|
|
ON = catgetlocal( 114, "ON");
|
|
OFF = catgetlocal( 115, "OFF");
|
|
HELP = catgetlocal( 116, "HELP");
|
|
WRITE = catgetlocal( 117, "WRITE");
|
|
READ = catgetlocal( 118, "READ");
|
|
LINE = catgetlocal( 119, "LINE");
|
|
FILE_str = catgetlocal( 120, "FILE");
|
|
CHARACTER = catgetlocal( 121, "CHARACTER");
|
|
REDRAW = catgetlocal( 122, "REDRAW");
|
|
RESEQUENCE = catgetlocal( 123, "RESEQUENCE");
|
|
AUTHOR = catgetlocal( 124, "AUTHOR");
|
|
VERSION = catgetlocal( 125, "VERSION");
|
|
CASE = catgetlocal( 126, "CASE");
|
|
NOCASE = catgetlocal( 127, "NOCASE");
|
|
EXPAND = catgetlocal( 128, "EXPAND");
|
|
NOEXPAND = catgetlocal( 129, "NOEXPAND");
|
|
Exit_string = catgetlocal( 130, "EXIT");
|
|
QUIT_string = catgetlocal( 131, "QUIT");
|
|
INFO = catgetlocal( 132, "INFO");
|
|
NOINFO = catgetlocal( 133, "NOINFO");
|
|
MARGINS = catgetlocal( 134, "MARGINS");
|
|
NOMARGINS = catgetlocal( 135, "NOMARGINS");
|
|
AUTOFORMAT = catgetlocal( 136, "AUTOFORMAT");
|
|
NOAUTOFORMAT = catgetlocal( 137, "NOAUTOFORMAT");
|
|
Echo = catgetlocal( 138, "ECHO");
|
|
PRINTCOMMAND = catgetlocal( 139, "PRINTCOMMAND");
|
|
RIGHTMARGIN = catgetlocal( 140, "RIGHTMARGIN");
|
|
HIGHLIGHT = catgetlocal( 141, "HIGHLIGHT");
|
|
NOHIGHLIGHT = catgetlocal( 142, "NOHIGHLIGHT");
|
|
EIGHTBIT = catgetlocal( 143, "EIGHTBIT");
|
|
NOEIGHTBIT = catgetlocal( 144, "NOEIGHTBIT");
|
|
/*
|
|
| additions
|
|
*/
|
|
mode_strings[7] = catgetlocal( 145, "emacs key bindings ");
|
|
emacs_help_text[0] = help_text[0];
|
|
emacs_help_text[1] = catgetlocal( 146, "^a beginning of line ^i tab ^r restore word ");
|
|
emacs_help_text[2] = catgetlocal( 147, "^b back 1 char ^j undel char ^t top of text ");
|
|
emacs_help_text[3] = catgetlocal( 148, "^c command ^k delete line ^u bottom of text ");
|
|
emacs_help_text[4] = catgetlocal( 149, "^d delete char ^l undelete line ^v next page ");
|
|
emacs_help_text[5] = catgetlocal( 150, "^e end of line ^m newline ^w delete word ");
|
|
emacs_help_text[6] = catgetlocal( 151, "^f forward 1 char ^n next line ^x search ");
|
|
emacs_help_text[7] = catgetlocal( 152, "^g go back 1 page ^o ascii char insert ^y search prompt ");
|
|
emacs_help_text[8] = catgetlocal( 153, "^h backspace ^p prev line ^z next word ");
|
|
emacs_help_text[9] = help_text[9];
|
|
emacs_help_text[10] = help_text[10];
|
|
emacs_help_text[11] = help_text[11];
|
|
emacs_help_text[12] = help_text[12];
|
|
emacs_help_text[13] = help_text[13];
|
|
emacs_help_text[14] = help_text[14];
|
|
emacs_help_text[15] = help_text[15];
|
|
emacs_help_text[16] = help_text[16];
|
|
emacs_help_text[17] = help_text[17];
|
|
emacs_help_text[18] = help_text[18];
|
|
emacs_help_text[19] = help_text[19];
|
|
emacs_help_text[20] = help_text[20];
|
|
emacs_help_text[21] = help_text[21];
|
|
emacs_control_keys[0] = catgetlocal( 154, "^[ (escape) menu ^y search prompt ^k delete line ^p prev li ^g prev page");
|
|
emacs_control_keys[1] = catgetlocal( 155, "^o ascii code ^x search ^l undelete line ^n next li ^v next page");
|
|
emacs_control_keys[2] = catgetlocal( 156, "^u end of file ^a begin of line ^w delete word ^b back 1 char ");
|
|
emacs_control_keys[3] = catgetlocal( 157, "^t top of text ^e end of line ^r restore word ^f forward 1 char ");
|
|
emacs_control_keys[4] = catgetlocal( 158, "^c command ^d delete char ^j undelete char ^z next word ");
|
|
EMACS_string = catgetlocal( 159, "EMACS");
|
|
NOEMACS_string = catgetlocal( 160, "NOEMACS");
|
|
usage4 = catgetlocal( 161, " +# put cursor at line #\n");
|
|
|
|
commands[0] = HELP;
|
|
commands[1] = WRITE;
|
|
commands[2] = READ;
|
|
commands[3] = LINE;
|
|
commands[4] = FILE_str;
|
|
commands[5] = REDRAW;
|
|
commands[6] = RESEQUENCE;
|
|
commands[7] = AUTHOR;
|
|
commands[8] = VERSION;
|
|
commands[9] = CASE;
|
|
commands[10] = NOCASE;
|
|
commands[11] = EXPAND;
|
|
commands[12] = NOEXPAND;
|
|
commands[13] = Exit_string;
|
|
commands[14] = QUIT_string;
|
|
commands[15] = "<";
|
|
commands[16] = ">";
|
|
commands[17] = "!";
|
|
commands[18] = "0";
|
|
commands[19] = "1";
|
|
commands[20] = "2";
|
|
commands[21] = "3";
|
|
commands[22] = "4";
|
|
commands[23] = "5";
|
|
commands[24] = "6";
|
|
commands[25] = "7";
|
|
commands[26] = "8";
|
|
commands[27] = "9";
|
|
commands[28] = CHARACTER;
|
|
commands[29] = NULL;
|
|
init_strings[0] = CASE;
|
|
init_strings[1] = NOCASE;
|
|
init_strings[2] = EXPAND;
|
|
init_strings[3] = NOEXPAND;
|
|
init_strings[4] = INFO;
|
|
init_strings[5] = NOINFO;
|
|
init_strings[6] = MARGINS;
|
|
init_strings[7] = NOMARGINS;
|
|
init_strings[8] = AUTOFORMAT;
|
|
init_strings[9] = NOAUTOFORMAT;
|
|
init_strings[10] = Echo;
|
|
init_strings[11] = PRINTCOMMAND;
|
|
init_strings[12] = RIGHTMARGIN;
|
|
init_strings[13] = HIGHLIGHT;
|
|
init_strings[14] = NOHIGHLIGHT;
|
|
init_strings[15] = EIGHTBIT;
|
|
init_strings[16] = NOEIGHTBIT;
|
|
init_strings[17] = EMACS_string;
|
|
init_strings[18] = NOEMACS_string;
|
|
init_strings[19] = NULL;
|
|
|
|
/*
|
|
| allocate space for strings here for settings menu
|
|
*/
|
|
|
|
for (counter = 1; counter < NUM_MODES_ITEMS; counter++)
|
|
{
|
|
modes_menu[counter].item_string = malloc(80);
|
|
}
|
|
|
|
#ifndef NO_CATGETS
|
|
catclose(catalog);
|
|
#endif /* NO_CATGETS */
|
|
}
|
|
|