Source Code 1992 March/Source_Code_CD-ROM_Walnut_Creek_March_1992.iso/usenet/altsrcs/3/3504

Internet Message Format | 1991-06-20 | 35.8 KB

From: [e-mail] (Paul Fox)
Newsgroups: alt.sources
Subject: Vile 17/17 - vi feel-alike (multi-window)
Message-ID: <[e-mail]>
Date: 7 Jun 91 22:10:29 GMT

#!/bin/sh
# this is vileshar.17 (part 17 of Vile)
# do not concatenate these parts, unpack them in order with /bin/sh
# file window.c continued
#
if test ! -r _shar_seq_.tmp; then
    echo 'Please unpack part 1 first!'
    exit 1
fi
(read Scheck
 if test "$Scheck" != 17; then
    echo Please unpack part "$Scheck" next!
    exit 1
 else
    exit 0
 fi
) < _shar_seq_.tmp || exit 1
echo 'x - continuing file window.c'
sed 's/^X//' << 'SHAR_EOF' >> 'window.c' &&
X * all the hard work. You don't just set "force reframe" because dot would
X * move.
X */
enlargewind(f, n)
{
X        register WINDOW *adjwp;
X        register LINE   *lp;
X        register int    i;
X
X        if (n < 0)
X                return (shrinkwind(f, -n));
X        if (wheadp->w_wndp == NULL) {
X                mlwrite("Only one window");
X                return (FALSE);
X        }
X        if ((adjwp=curwp->w_wndp) == NULL) {
X                adjwp = wheadp;
X                while (adjwp->w_wndp != curwp)
X                        adjwp = adjwp->w_wndp;
X        }
X        if (adjwp->w_ntrows <= n) {
X                mlwrite("Impossible change");
X                return (FALSE);
X        }
X        if (curwp->w_wndp == adjwp) {           /* Shrink below.        */
X                lp = adjwp->w_linep;
X                for (i=0; i<n && lp!=adjwp->w_bufp->b_linep; ++i)
X                        lp = lforw(lp);
X                adjwp->w_linep  = lp;
X                adjwp->w_toprow += n;
X        } else {                                /* Shrink above.        */
X                lp = curwp->w_linep;
X                for (i=0; i<n && lback(lp)!=curbp->b_linep; ++i)
X                        lp = lback(lp);
X                curwp->w_linep  = lp;
X                curwp->w_toprow -= n;
X        }
X        curwp->w_ntrows += n;
X        adjwp->w_ntrows -= n;
X        curwp->w_flag |= WFMODE|WFHARD|WFINS;
X        adjwp->w_flag |= WFMODE|WFHARD|WFKILLS;
X        return (TRUE);
}
X
/*
X * Shrink the current window. Find the window that gains space. Hack at the
X * window descriptions. Ask the redisplay to do all the hard work.
X */
shrinkwind(f, n)
{
X        register WINDOW *adjwp;
X        register LINE   *lp;
X        register int    i;
X
X        if (n < 0)
X                return (enlargewind(f, -n));
X        if (wheadp->w_wndp == NULL) {
X                mlwrite("Only one window");
X                return (FALSE);
X        }
X        if ((adjwp=curwp->w_wndp) == NULL) {
X                adjwp = wheadp;
X                while (adjwp->w_wndp != curwp)
X                        adjwp = adjwp->w_wndp;
X        }
X        if (curwp->w_ntrows <= n) {
X                mlwrite("Impossible change");
X                return (FALSE);
X        }
X        if (curwp->w_wndp == adjwp) {           /* Grow below.          */
X                lp = adjwp->w_linep;
X                for (i=0; i<n && lback(lp)!=adjwp->w_bufp->b_linep; ++i)
X                        lp = lback(lp);
X                adjwp->w_linep  = lp;
X                adjwp->w_toprow -= n;
X        } else {                                /* Grow above.          */
X                lp = curwp->w_linep;
X                for (i=0; i<n && lp!=curbp->b_linep; ++i)
X                        lp = lforw(lp);
X                curwp->w_linep  = lp;
X                curwp->w_toprow += n;
X        }
X        curwp->w_ntrows -= n;
X        adjwp->w_ntrows += n;
X        curwp->w_flag |= WFMODE|WFHARD|WFKILLS;
X        adjwp->w_flag |= WFMODE|WFHARD|WFINS;
X        return (TRUE);
}
X
#if !SMALLER
X
/*    Resize the current window to the requested size    */
resize(f, n)
int f, n;    /* default flag and numeric argument */
{
X    int clines;    /* current # of lines in window */
X
X    /* must have a non-default argument, else ignore call */
X    if (f == FALSE)
X        return(TRUE);
X
X    /* find out what to do */
X    clines = curwp->w_ntrows;
X
X    /* already the right size? */
X    if (clines == n)
X        return(TRUE);
X
X    return(enlargewind(TRUE, n - clines));
}
#endif
X
/*
X * Pick a window for a pop-up. Split the screen if there is only one window.
X * Pick the uppermost window that isn't the current window. An LRU algorithm
X * might be better. Return a pointer, or NULL on error.
X */
WINDOW  *
wpopup()
{
X        register WINDOW *wp;
X
X        if (wheadp->w_wndp == NULL              /* Only 1 window        */
X            && splitwind(FALSE, 0) == FALSE) /* and it won't split   */
X                return (NULL);
X        wp = wheadp;                            /* Find window to use   */
X        while (wp!=NULL && wp==curwp)
X                wp = wp->w_wndp;
X        return (wp);
}
X
scrnextup(f, n)        /* scroll the next window up (back) a page */
{
X    nextwind(FALSE, 1);
X    backhpage(f, n);
X    prevwind(FALSE, 1);
}
X
scrnextdw(f, n)        /* scroll the next window down (forward) a page */
{
X    nextwind(FALSE, 1);
X    forwhpage(f, n);
X    prevwind(FALSE, 1);
}
X
#if ! SMALLER
savewnd(f, n)        /* save ptr to current window */
{
X    swindow = curwp;
X    return(TRUE);
}
X
restwnd(f, n)        /* restore the saved screen */
{
X    register WINDOW *wp;
X
X    /* find the window */
X    wp = wheadp;
X    while (wp != NULL) {
X        if (wp == swindow) {
X            curwp = wp;
X            make_current(curwp->w_bufp);
X            upmode();
X            return (TRUE);
X        }
X        wp = wp->w_wndp;
X    }
X
X    mlwrite("[No such window exists]");
X    return(FALSE);
}
#endif
X
newlength(f,n)    /* resize the screen, re-writing the screen */
int n;    /* numeric argument */
{
X    WINDOW *wp;    /* current window being examined */
X    WINDOW *nextwp;    /* next window to scan */
X    WINDOW *lastwp;    /* last window scanned */
X    int lastline;    /* screen line of last line of current window */
X
X    if (!f) {
X        mlwrite("No length given");
X        return FALSE;
X    }
X
X    /* make sure it's in range */
X    if (n < 3 || n > term.t_mrow + 1) {
X        mlwrite("Screen size out of range");
X        return(FALSE);
X    }
X
X    if (term.t_nrow == n - 1)
X        return(TRUE);
X    else if (term.t_nrow < n - 1) {
X
X        /* go to the last window */
X        wp = wheadp;
X        while (wp->w_wndp != NULL)
X            wp = wp->w_wndp;
X
X        /* and enlarge it as needed */
X        wp->w_ntrows = n - wp->w_toprow - 2;
X        wp->w_flag |= WFHARD|WFMODE;
X
X    } else {
X
X        /* rebuild the window structure */
X        nextwp = wheadp;
X        wp = NULL;
X        lastwp = NULL;
X        while (nextwp != NULL) {
X            wp = nextwp;
X            nextwp = wp->w_wndp;
X
X            /* get rid of it if it is too low */
X            if (wp->w_toprow > n - 2) {
X
X                if (--wp->w_bufp->b_nwnd == 0) {
X                    undispbuff(wp->w_bufp,wp);
X                }
X
X                /* update curwp and lastwp if needed */
X                if (wp == curwp)
X                    curwp = wheadp;
X                    make_current(curwp->w_bufp);
X                if (lastwp != NULL)
X                    lastwp->w_wndp = NULL;
X
X                /* free the structure */
X                free((char *)wp);
X                wp = NULL;
X
X            } else {
X                /* need to change this window size? */
X                lastline = wp->w_toprow + wp->w_ntrows - 1;
X                if (lastline >= n - 2) {
X                    wp->w_ntrows = n - wp->w_toprow - 2;
X                    wp->w_flag |= WFHARD|WFMODE;
X                }
X            }
X
X            lastwp = wp;
X        }
X    }
X
X    /* screen is garbage */
X    term.t_nrow = n - 1;
X    sgarbf = TRUE;
X    return(TRUE);
}
X
newwidth(f,n)    /* resize the screen, re-writing the screen */
int n;    /* numeric argument */
{
X    register WINDOW *wp;
X
X    if (!f) {
X        mlwrite("No width given");
X        return FALSE;
X    }
X
X    /* make sure it's in range */
X    if (n < 10 || n > term.t_mcol) {
#if    NeWS        /* serious error for NeWS, halt */
X        fprintf(stderr, "Screen width out of range\n") ;
X        newsclose() ;
X        exit(1) ;
#else
X        mlwrite("Screen width out of range");
X        return(FALSE);
#endif
X    }
X
X    /* otherwise, just re-width it (no big deal) */
X    term.t_ncol = n;
X    term.t_margin = n / 10;
X    term.t_scrsiz = n - (term.t_margin * 2);
X
X    /* force all windows to redraw */
X    wp = wheadp;
X    while (wp) {
X        wp->w_flag |= WFHARD | WFMOVE | WFMODE;
X        wp = wp->w_wndp;
X    }
X    sgarbf = TRUE;
X
X    return(TRUE);
}
X
#if ! SMALLER
int getwpos()    /* get screen offset of current line in current window */
{
X    register int sline;    /* screen line from top of window */
X    register LINE *lp;    /* scannile line pointer */
X
X    /* search down the line we want */
X    lp = curwp->w_linep;
X    sline = 1;
X    while (lp != curwp->w_dotp) {
X        ++sline;
X        lp = lforw(lp);
X    }
X
X    /* and return the value */
X    return(sline);
}
#endif
X
/*
X * Initialize all of the windows.
X */
winit()
{
X        register WINDOW *wp;
X
X        wp = (WINDOW *) malloc(sizeof(WINDOW)); /* First window         */
X        if (wp==NULL )
X                exit(1);
X        wheadp = wp;
X        curwp  = wp;
X        wp->w_wndp  = NULL;                     /* Initialize window    */
X        wp->w_doto  = 0;
X        wp->w_mkp = NULL;
X        wp->w_mko = 0;
X        wp->w_ldmkp = NULL;
X        wp->w_ldmko = 0;
X        wp->w_toprow = 0;
X        wp->w_sideways = 0;
#if    COLOR
X    /* initalize colors to global defaults */
X    wp->w_fcolor = gfcolor;
X    wp->w_bcolor = gbcolor;
#endif
X        wp->w_ntrows = term.t_nrow-1;           /* "-1" for mode line.  */
X        wp->w_force = 0;
X        wp->w_flag  = WFMODE|WFHARD;            /* Full.                */
}
X
X
SHAR_EOF
echo 'File window.c is complete' &&
chmod 0444 window.c ||
echo 'restore of window.c failed'
Wc_c="`wc -c < 'window.c'`"
test 20419 -eq "$Wc_c" ||
    echo 'window.c: original size 20419, current size' "$Wc_c"
# ============= word.c ==============
echo 'x - extracting word.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'word.c' &&
/*
X * The routines in this file implement commands that work word or a
X * paragraph at a time.  There are all sorts of word mode commands.  If I
X * do any sentence mode commands, they are likely to be put in this file.
X */
X
#include    <stdio.h>
#include    "estruct.h"
#include    "edef.h"
X
/* Word wrap on n-spaces. Back-over whatever precedes the point on the current
X * line and stop on the first word-break or the beginning of the line. If we
X * reach the beginning of the line, jump back to the end of the word and start
X * a new line.    Otherwise, break the line at the word-break, eat it, and jump
X * back to the end of the word.
X * Returns TRUE on success, FALSE on errors.
X */
wrapword()
{
X    register int cnt;    /* size of word wrapped to next line */
X    register int c;        /* charector temporary */
X
X    /* backup from the <NL> 1 char */
X    if (!backchar(0, 1))
X        return(FALSE);
X
X    /* back up until we aren't in a word,
X       make sure there is a break in the line */
X    cnt = 0;
X    while (c = lgetc(curwp->w_dotp, curwp->w_doto), !isspace(c)) {
X        cnt++;
X        if (!backchar(0, 1))
X            return(FALSE);
X        /* if we make it to the beginning, start a new line */
X        if (curwp->w_doto == 0) {
X            gotoeol(FALSE, 0);
X            return(lnewline());
X        }
X    }
X
X    /* delete the forward white space */
X    if (!ldelete(1L, FALSE))
X        return(FALSE);
X
X    /* put in a end of line */
X    if (!newline(TRUE,1))
X        return FALSE;
X
X    /* and past the first word */
X    while (cnt-- > 0) {
X        if (forwchar(FALSE, 1) == FALSE)
X            return(FALSE);
X    }
X    return(TRUE);
}
X
X
/*
X * Move the cursor forward by the specified number of words. All of the motion
X * is done by "forwchar". Error if you try and move beyond the buffer's end.
X *
X * Returns of SORTOFTRUE result if we're doing a non-delete operation.
X * Whitespace after a word is always included on deletes (and non-operations,
X * of course), but only on intermediate words for other operations, for
X * example.  The last word of non-delete ops does _not_ include its whitespace.
X */
X
forwviword(f, n)
{
X    int s;
X
X    if (n < 0)
X        return (backword(f, -n));
X    setchartype();
X    if (forwchar(FALSE, 1) == FALSE)
X        return (FALSE);
X    while (n--) {
X        while (((s = isnewviwordf()) == FALSE) ||
X                (s == SORTOFTRUE && n != 0)) {
X            if (forwchar(FALSE, 1) == FALSE)
X                return (FALSE);
X        }
X    }
X    return TRUE;
}
X
/*
X * Move the cursor forward by the specified number of words. All of the motion
X * is done by "forwchar". Error if you try and move beyond the buffer's end.
X */
forwword(f, n)
{
X    int s;
X
X    if (n < 0)
X        return (backword(f, -n));
X    setchartype();
X    if (forwchar(FALSE, 1) == FALSE)
X        return (FALSE);
X    while (n--) {
X        while (((s = isnewwordf()) == FALSE) ||
X                (s == SORTOFTRUE && n != 0)) {
X            if (forwchar(FALSE, 1) == FALSE)
X                return (FALSE);
X        }
X    }
X    return(TRUE);
}
X
/*
X * Move the cursor forward by the specified number of words. All of the motion
X * is done by "forwchar". Error if you try and move beyond the buffer's end.
X */
forwviendw(f, n)
{
X    int s;
X    if (n < 0)
X        return (FALSE);
X    if (forwchar(FALSE, 1) == FALSE)
X        return (FALSE);
X    setchartype();
X    while (n--) {
X        while ((s = isendviwordf()) == FALSE) {
X            if (forwchar(FALSE, 1) == FALSE)
X                return (FALSE);
X        }
X
X    }
X    if (s == SORTOFTRUE)
X        return TRUE;
X    else
X        return backchar(FALSE, 1);
}
X
/*
X * Move the cursor forward by the specified number of words. All of the motion
X * is done by "forwchar". Error if you try and move beyond the buffer's end.
X */
forwendw(f, n)
{
X    int s;
X    if (n < 0)
X        return (FALSE);
X    if (forwchar(FALSE, 1) == FALSE)
X        return (FALSE);
X    setchartype();
X    while (n--) {
X        while ((s = isendwordf()) == FALSE) {
X            if (forwchar(FALSE, 1) == FALSE)
X                return (FALSE);
X        }
X
X    }
X    if (s == SORTOFTRUE)
X        return TRUE;
X    else
X        return backchar(FALSE, 1);
}
X
/*
X * Move the cursor backward by "n" words. All of the details of motion are
X * performed by the "backchar" and "forwchar" routines. Error if you try to
X * move beyond the buffers.
X */
backviword(f, n)
{
X    if (n < 0)
X        return (forwword(f, -n));
X    if (backchar(FALSE, 1) == FALSE)
X        return (FALSE);
X    setchartype();
X    while (n--) {
X        while (isnewviwordb() == FALSE) {
X            if (backchar(FALSE, 1) == FALSE)
X                return (FALSE);
X        }
X    }
X    return (forwchar(FALSE, 1));
}
X
/*
X * Move the cursor backward by "n" words. All of the details of motion are
X * performed by the "backchar" and "forwchar" routines. Error if you try to
X * move beyond the buffers.
X */
backword(f, n)
{
X    if (n < 0)
X        return (forwword(f, -n));
X    if (backchar(FALSE, 1) == FALSE)
X        return (FALSE);
X    setchartype();
X    while (n--) {
X        while (isnewwordb() == FALSE) {
X            if (backchar(FALSE, 1) == FALSE)
X                return (FALSE);
X        }
X    }
X    return (forwchar(FALSE, 1));
}
X
/*
X * Return TRUE if the character at dot is a character that is considered to be
X * part of a word. The word character list is hard coded. Should be setable.
X */
inword()
{
X    register int    c;
X
X    if (curwp->w_doto == llength(curwp->w_dotp))
X        return (FALSE);
X    c = lgetc(curwp->w_dotp, curwp->w_doto);
X    if (islower(c))
X        return (TRUE);
X    if (isupper(c))
X        return (TRUE);
X    if (isdigit(c))
X        return (TRUE);
X    return (FALSE);
}
X
join(f,n)
{
X    register int s;
X    register int doto;
X
X    if (n < 0) return FALSE;
X    if (n == 0) return TRUE;
X    if (lforw(curwp->w_dotp) == curbp->b_linep)
X        return FALSE;
X    while(n--) {
X        s = lastnonwhite(f,n);
X        if (s == TRUE) s = forwchar(FALSE,1);
X        if (s == TRUE) s = setmark();
X        if (s == TRUE) s = forwline(f,1);
X        if (s == TRUE) s = firstnonwhite(f,1);
X        if (s == TRUE) s = killregion(f,1);
X        if (s != TRUE)
X            return s ;
X
X        doto = curwp->w_doto;
X        if (doto == 0)
X            return  TRUE;
X        if (lgetc(curwp->w_dotp,doto) == ')')
X            return TRUE;
X        if (lgetc(curwp->w_dotp,doto-1) == '.')
X            s = linsert(2,' ');
X        else
X            s = linsert(1,' ');
X    }
X
X    return s;
}
X
formatregion(f,n)
{
X    register int c;            /* current char durring scan    */
X    register int wordlen;        /* length of current word    */
X    register int clength;        /* position on line during fill    */
X    register int i;            /* index during word copy    */
X    register int newlength;        /* tentative new line length    */
X    register int finished;        /* Are we at the End-Of-Paragraph? */
X    register int firstflag;        /* first word? (needs no space)    */
X    register LINE *pastline;        /* pointer to line just past EOP */
X    register int sentence;        /* was the last char a period?    */
X    char wbuf[NSTRING];        /* buffer for current word    */
X    int secondindent;
X    REGION region;
X    int s;
X
X    if (curbp->b_mode & MDVIEW)    /* don't allow this command if    */
X        return(rdonly());    /* we are in read only mode    */
X
X    if (curwp->w_mkp != curwp->w_dotp) {
X        getregion(®ion);
X        if (region.r_linep == curwp->w_mkp)
X            swapmark();
X    }
X    pastline = curwp->w_mkp;
X    if (pastline != curbp->b_linep)
X        pastline = lforw(pastline);
X
X    secondindent = indentlen(curwp->w_dotp);
X
X    /* go forward to get the indent for the second and following lines */
X    curwp->w_dotp = lforw(curwp->w_dotp);
X
X    if (curwp->w_dotp != pastline) {
X        secondindent = indentlen(curwp->w_dotp);
X    }
X
X    /* and back where we should be */
X    curwp->w_dotp = lback(curwp->w_dotp);
X    firstnonwhite(FALSE,1);
X
X    clength = indentlen(curwp->w_dotp);
X    wordlen = 0;
X    sentence = FALSE;
X
X    /* scan through lines, filling words */
X    firstflag = TRUE;
X    finished = FALSE;
X    while (!finished) {
X
X        if (interrupted) return ABORT;
X
X        /* get the next character in the paragraph */
X        if (curwp->w_doto == llength(curwp->w_dotp)) {
X            c = ' ';
X            if (lforw(curwp->w_dotp) == pastline)
X                finished = TRUE;
X        } else {
X            c = lgetc(curwp->w_dotp, curwp->w_doto);
X        }
X        /* and then delete it */
X        if (!finished) {
X            s = ldelete(1L, FALSE);
X            if (s != TRUE) return s;
X        }
X
X        /* if not a separator, just add it in */
X        if (c != ' ' && c != '\t') {
X            /* was it the end of a "sentence"? */
X            sentence = (c == '.' || c == '?' || c == '!');
X            if (wordlen < NSTRING - 1)
X                wbuf[wordlen++] = c;
X        } else if (wordlen) {
X            /* at a word break with a word waiting */
X            /* calculate tentative new length with word added */
X            newlength = clength + 1 + wordlen;
X            if (newlength <= fillcol) {
X                /* add word to current line */
X                if (!firstflag) {
X                    s = linsert(1, ' '); /* the space */
X                    if (s != TRUE) return s;
X                    ++clength;
X                }
X                firstflag = FALSE;
X            } else {
X                        if (lnewline() == FALSE
X                            || ((i=secondindent/TABVAL)!=0 &&
X                                linsert(i, '\t')==FALSE)
X                            || ((i=secondindent%TABVAL)!=0 &&
X                                linsert(i,  ' ')==FALSE)) {
X                                return FALSE;
X                        }
X                clength = secondindent;
X            }
X
X            /* and add the word in in either case */
X            for (i=0; i<wordlen; i++) {
X                s = linsert(1, wbuf[i]);
X                if (s != TRUE) return s;
X                ++clength;
X            }
X            if (sentence) {
X                s = linsert(1, ' ');
X                if (s != TRUE) return s;
X                ++clength;
X            }
X            wordlen = 0;
X        }
X    }
X    return(TRUE);
}
X
X
#if    WORDCOUNT    /* who cares? -pgf */
/*    wordcount:    count the # of words in the marked region,
X            along with average word sizes, # of chars, etc,
X            and report on them.            */
wordcount(f, n)
{
X    register LINE *lp;    /* current line to scan */
X    register int offset;    /* current char to scan */
X    long size;        /* size of region left to count */
X    register int ch;    /* current character to scan */
X    register int wordflag;    /* are we in a word now? */
X    register int lastword;    /* were we just in a word? */
X    long nwords;        /* total # of words */
X    long nchars;        /* total number of chars */
X    int nlines;        /* total number of lines in region */
X    int avgch;        /* average number of chars/word */
X    int status;        /* status return code */
X    REGION region;        /* region to look at */
X
X    /* make sure we have a region to count */
X    if ((status = getregion(®ion)) != TRUE)
X        return(status);
X    lp = region.r_linep;
X    offset = region.r_offset;
X    size = region.r_size;
X
X    /* count up things */
X    lastword = FALSE;
X    nchars = 0L;
X    nwords = 0L;
X    nlines = 0;
X    while (size--) {
X
X        /* get the current character */
X        if (offset == llength(lp)) {    /* end of line */
X            ch = '\n';
X            lp = lforw(lp);
X            offset = 0;
X            ++nlines;
X        } else {
X            ch = lgetc(lp, offset);
X            ++offset;
X        }
X
X        /* and tabulate it */
X        wordflag = ((ch >= 'a' && ch <= 'z') ||
X                (ch >= 'A' && ch <= 'Z') ||
X                (ch >= '0' && ch <= '9'));
X        if (wordflag == TRUE && lastword == FALSE)
X            ++nwords;
X        lastword = wordflag;
X        ++nchars;
X    }
X
X    /* and report on the info */
X    if (nwords > 0L)
X        avgch = (int)((100L * nchars) / nwords);
X    else
X        avgch = 0;
X
X    mlwrite("lines %d, words, %D chars %D  avg chars/word %f",
X        nlines + 1, nwords, nchars, avgch);
X    return(TRUE);
}
#endif
SHAR_EOF
chmod 0444 word.c ||
echo 'restore of word.c failed'
Wc_c="`wc -c < 'word.c'`"
test 10449 -eq "$Wc_c" ||
    echo 'word.c: original size 10449, current size' "$Wc_c"
# ============= wordmov.c ==============
echo 'x - extracting wordmov.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'wordmov.c' &&
X
#include    <stdio.h>
#include "estruct.h"
#include "edef.h"
X
/* These routines report on transitions between word boundaries, both
X    in the punctuated vi sense, and in the whitespace/darkspace
X    sense.  The transition is reported _after_ it has occurred.  You
X    need to back up to get to the char. before the transition.
X    Written for vile by Paul Fox, (c)1990
*/
X
#define WASSPACE 0
#define ISSPACE 0
#define WASIDENT 1
#define ISIDENT 1
#define WASOTHER 2
#define ISOTHER 2
#define WASNL 3
#define ISNL 3
X
static int ochartype;
X
setchartype()
{
X    ochartype = getchartype();
}
X
getchartype()
{
X    register int    c;
X
X    if (curwp->w_doto == llength(curwp->w_dotp))
X        return (ISNL);
X    else
X        c = lgetc(curwp->w_dotp, curwp->w_doto);
X    return (isspace(c) ? ISSPACE :
X            ( isident(c) ? ISIDENT : ISOTHER ) );
}
X
X
isnewwordf()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        switch (type) {
X        case ISNL:    if (doingopcmd) { ret = SORTOFTRUE; break;}
X        case ISSPACE: ret = FALSE;    break;
X        case ISIDENT:
X        case ISOTHER: ret = TRUE;    break;
X        }
X        break;
X    case WASIDENT:
X    case WASOTHER:
X        switch (type) {
X        case ISNL:    if (doingopcmd) { ret = SORTOFTRUE; break;}
X        case ISSPACE: if (doingopcmd && opcmd != OPDEL)
X                        { ret = SORTOFTRUE; break;}
X        case ISIDENT:
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
X
isnewwordb()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        ret = FALSE;    break;
X    case WASIDENT:
X        switch (type) {
X        case ISNL:
X        case ISSPACE: ret = TRUE;    break;
X        case ISIDENT:
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    case WASOTHER:
X        switch (type) {
X        case ISNL:
X        case ISSPACE: ret = TRUE;    break;
X        case ISIDENT:
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
X
isnewviwordf()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        switch (type) {
X        case ISNL:    if (doingopcmd) { ret = SORTOFTRUE; break;}
X        case ISSPACE: ret = FALSE;    break;
X        case ISIDENT:
X        case ISOTHER: ret = TRUE;    break;
X        }
X        break;
X    case WASIDENT:
X        switch (type) {
X        case ISNL:    if (doingopcmd) { ret = SORTOFTRUE; break;}
X        case ISSPACE: if (doingopcmd && opcmd != OPDEL)
X                        { ret = SORTOFTRUE; break;}
X        case ISIDENT: ret = FALSE;    break;
X        case ISOTHER: ret = TRUE;    break;
X        }
X        break;
X    case WASOTHER:
X        switch (type) {
X        case ISNL:    if (doingopcmd) { ret = SORTOFTRUE; break;}
X        case ISSPACE: if (doingopcmd && opcmd != OPDEL)
X                        { ret = SORTOFTRUE; break;}
X        case ISOTHER: ret = FALSE;    break;
X        case ISIDENT: ret = TRUE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
X
isnewviwordb()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        ret = FALSE;    break;
X    case WASIDENT:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X        case ISOTHER: ret = TRUE;    break;
X        case ISIDENT: ret = FALSE;    break;
X        }
X        break;
X    case WASOTHER:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X        case ISIDENT: ret = TRUE;    break;
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
X
X
isendwordb()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        switch (type) {
X        case ISNL:
X        case ISSPACE: ret = FALSE;    break;
X        case ISIDENT:
X        case ISOTHER: ret = TRUE;    break;
X        }
X        break;
X    case WASIDENT:
X    case WASOTHER:
X        ret = FALSE;    break;
X    }
X    ochartype = type;
X    return (ret);
}
X
isendviwordb()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        switch (type) {
X        case ISNL:
X        case ISSPACE: ret = FALSE;    break;
X        case ISOTHER:
X        case ISIDENT: ret = TRUE;    break;
X        }
X        break;
X    case WASIDENT:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X        case ISOTHER: ret = TRUE;    break;
X        case ISIDENT: ret = FALSE;    break;
X        }
X        break;
X    case WASOTHER:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X        case ISIDENT: ret = TRUE;    break;
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
X
isendwordf()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        ret = FALSE;    break;
X    case WASIDENT:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X            if (doingopcmd) ret = SORTOFTRUE;
X            else ret = TRUE;
X            break;
X        case ISIDENT:
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    case WASOTHER:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X            if (doingopcmd) ret = SORTOFTRUE;
X            else ret = TRUE;
X            break;
X        case ISIDENT:
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
X
isendviwordf()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        ret = FALSE;    break;
X    case WASIDENT:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X        case ISOTHER:
X            if (doingopcmd) ret = SORTOFTRUE;
X            else ret = TRUE;
X            break;
X        case ISIDENT: ret = FALSE;    break;
X        }
X        break;
X    case WASOTHER:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X        case ISIDENT:
X            if (doingopcmd) ret = SORTOFTRUE;
X            else ret = TRUE;
X            break;
X        case ISOTHER: ret = FALSE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
X
#ifdef template
isANYTHING()
{
X    register int    ret;
X    register int    type;
X
X    type = getchartype();
X
X    switch (ochartype) {
X    case WASNL:
X    case WASSPACE:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X            ret = FALSE;    break;
X        case ISIDENT:
X            ret = FALSE;    break;
X        case ISOTHER:
X            ret = FALSE;    break;
X        }
X        break;
X    case WASIDENT:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X            ret = TRUE;    break;
X        case ISIDENT:
X            ret = FALSE;    break;
X        case ISOTHER:
X            ret = TRUE;    break;
X        }
X        break;
X    case WASOTHER:
X        switch (type) {
X        case ISNL:
X        case ISSPACE:
X            ret = TRUE;    break;
X        case ISIDENT:
X            ret = TRUE;    break;
X        case ISOTHER:
X            ret = FALSE;    break;
X        }
X        break;
X    }
X    ochartype = type;
X    return (ret);
}
#endif /* template */
X
SHAR_EOF
chmod 0444 wordmov.c ||
echo 'restore of wordmov.c failed'
Wc_c="`wc -c < 'wordmov.c'`"
test 6094 -eq "$Wc_c" ||
    echo 'wordmov.c: original size 6094, current size' "$Wc_c"
# ============= z100bios.asm ==============
echo 'x - extracting z100bios.asm (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'z100bios.asm' &&
;History:46,1
X
_TEXT    SEGMENT  BYTE PUBLIC 'CODE'
_TEXT    ENDS
_DATA    SEGMENT  WORD PUBLIC 'DATA'
_DATA    ENDS
CONST    SEGMENT  WORD PUBLIC 'CONST'
CONST    ENDS
_BSS    SEGMENT  WORD PUBLIC 'BSS'
_BSS    ENDS
X
bios_seg segment at 40h
X    org    9
bios_conout    label    far
bios_seg ends
X
DGROUP    GROUP    CONST,    _BSS,    _DATA
X    ASSUME  CS: _TEXT, DS: DGROUP, SS: DGROUP, ES: DGROUP
X
parm        equ    ss:[bp]
X
_TEXT    SEGMENT
X
X public        _asmputc
X
putc_stack        struc
X putc_bp    dw    ?
X putc_return    dd    ?
X char        db    ?
putc_stack        ends
X
_asmputc    proc    far
X        push    bp
X        mov    bp,sp
X        mov    al,parm.char
X        call    bios_conout
X        pop    bp
X        ret
_asmputc    endp
X
_TEXT        ends
X        end
X
SHAR_EOF
chmod 0444 z100bios.asm ||
echo 'restore of z100bios.asm failed'
Wc_c="`wc -c < 'z100bios.asm'`"
test 652 -eq "$Wc_c" ||
    echo 'z100bios.asm: original size 652, current size' "$Wc_c"
# ============= z309.c ==============
echo 'x - extracting z309.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'z309.c' &&
/*
X * The routines in this file provide support for the Zenith Z-100 PC
X * family.  It goes directly to the graphics RAM to do screen output.
X * It compiles into nothing if not a Zenith driver.
X */
X
#define    termdef    1            /* don't define "term" external */
X
#include        <stdio.h>
#include    "estruct.h"
#include        "edef.h"
X
#if     Z309
X
/* set NROW to 25 for 25-line interlaced mode */
#define NROW    50                      /* Screen size.                 */
#define NCOL    80                      /* Edit if you want to.         */
#define    MARGIN    8            /* size of minimim margin and    */
#define    SCRSIZ    64            /* scroll size for extended lines */
#define    NPAUSE    200            /* # times thru update to pause */
#define BEL     0x07                    /* BEL character.               */
#define ESC     0x1B                    /* ESC character.               */
#define    SPACE    32            /* space character        */
X
#define    SCADC    0xb8000000L        /* CGA address of screen RAM    */
#define    SCADM    0xb0000000L        /* MONO address of screen RAM    */
X
#define    CDMONO    0            /* monochrome text card        */
#define    CDCGA50    1            /* 50-line color graphics card    */
#define CDCGI25 2            /* 25-line interlaced CGA text    */
#define CDCGA25 3            /* 25-line color graphics card    */
#define    CDSENSE    9            /* detect the card type        */
X
int dtype = CDCGA50;            /* current display type        */
long scadd;                /* address of screen ram    */
int *scptr[NROW];            /* pointer to screen lines    */
int sline[NCOL];            /* screen line image        */
extern union REGS rg;            /* cpu register for use of DOS calls */
X
extern  int     ttopen();               /* Forward references.          */
extern  int     ttgetc();
extern  int     ttputc();
extern  int     ttflush();
extern  int     ttclose();
extern  int     z309move();
extern  int     z309eeol();
extern  int     z309eeop();
extern  int     z309beep();
extern  int     z309open();
extern    int    z309rev();
extern    int    z309cres();
extern    int    z309close();
extern    int    z309putc();
extern    int    z309kopen();
extern    int    z309kclose();
X
#if    COLOR
extern    int    z309fcol();
extern    int    z309bcol();
X
int    cfcolor = -1;        /* current forground color */
int    cbcolor = -1;        /* current background color */
int    ctrans[] =        /* ansi to z309 color translation table */
X    {0, 4, 2, 6, 1, 5, 3, 7};
#endif
X
/*
X * Standard terminal interface dispatch table. Most of the fields point into
X * "termio" code.
X */
TERM    term    = {
X    NROW-1,
X        NROW-1,
X        NCOL,
X        NCOL,
X    MARGIN,
X    SCRSIZ,
X    NPAUSE,
X        z309open,
X        z309close,
X    z309kopen,
X    z309kclose,
X        ttgetc,
X    z309putc,
X        ttflush,
X        z309move,
X        z309eeol,
X        z309eeop,
X        z309beep,
X    z309rev,
X    z309cres
#if    COLOR
X    , z309fcol,
X    z309bcol
#endif
};
X
extern union REGS rg;
X
#if    COLOR
z309fcol(color)        /* set the current output color */
X
int color;    /* color to set */
X
{
X    cfcolor = ctrans[color];
}
X
z309bcol(color)        /* set the current background color */
X
int color;    /* color to set */
X
{
X        cbcolor = ctrans[color];
}
#endif
z309move(row, col)
{
X    rg.h.ah = 2;        /* set cursor position function code */
X    rg.h.dl = col;
X    rg.h.dh = row;
X    rg.h.bh = 0;        /* set screen page number */
X    int86(0x10, &rg, &rg);
}
X
z309eeol()    /* erase to the end of the line */
X
{
X    int attr;    /* attribute byte mask to place in RAM */
X    int *lnptr;    /* pointer to the destination line */
X    int i;
X    int ccol;    /* current column cursor lives */
X    int crow;    /*       row    */
X
X    /* find the current cursor position */
X    rg.h.ah = 3;        /* read cursor position function code */
X    rg.h.bh = 0;        /* current video page */
X    int86(0x10, &rg, &rg);
X    ccol = rg.h.dl;        /* record current column */
X    crow = rg.h.dh;        /* and row */
X
X    /* build the attribute byte and setup the screen pointer */
#if    COLOR
X    if (dtype != CDMONO)
X        attr = (((cbcolor & 15) << 4) | (cfcolor & 15)) << 8;
X    else
X        attr = 0x0700;
#else
X    attr = 0x0700;
#endif
X    lnptr = &sline[0];
X    for (i=0; i < term.t_ncol; i++)
X        *lnptr++ = SPACE | attr;
X
#if 0    /* Heath/Zenith builds flicker-less CGAs */
X    if (flickcode) {
X        /* wait for vertical retrace to be off */
X        while ((inp(0x3da) & 8))
X            ;
X
X        /* and to be back on */
X        while ((inp(0x3da) & 8) == 0)
X            ;
X    }
#endif
X
X    /* and send the string out */
X    movmem(&sline[0], scptr[crow]+ccol, (term.t_ncol-ccol)*2);
X
}
X
z309putc(ch)    /* put a character at the current position in the
X           current colors */
X
int ch;
X
{
X    rg.h.ah = 14;        /* write char to screen with current attrs */
X    rg.h.al = ch;
#if    COLOR
X    if (dtype != CDMONO)
X        rg.h.bl = cfcolor;
X    else
X        rg.h.bl = 0x07;
#else
X    rg.h.bl = 0x07;
#endif
X    int86(0x10, &rg, &rg);
}
X
z309eeop()
{
X    int attr;        /* attribute to fill screen with */
X
X    rg.h.ah = 6;        /* scroll page up function code */
X    rg.h.al = 0;        /* # lines to scroll (clear it) */
X    rg.x.cx = 0;        /* upper left corner of scroll */
/*HERE*/    rg.x.dx = 0x184f;    /* lower right corner of scroll */
#if    COLOR
X    if (dtype != CDMONO)
X        attr = ((ctrans[gbcolor] & 15) << 4) | (ctrans[gfcolor] & 15);
X    else
X        attr = 0;
#else
X    attr = 0;
#endif
X    rg.h.bh = attr;
X    int86(0x10, &rg, &rg);
}
X
z309rev(state)        /* change reverse video state */
X
int state;    /* TRUE = reverse, FALSE = normal */
X
{
X    /* This never gets used under the z309-PC driver */
}
X
z309cres(res)    /* change screen resolution */
X
char *res;    /* resolution to change to */
X
{
X    if (strcmp(res, "CGA50") == 0) {
X        scinit(CDCGA50);
X        return(TRUE);
X    } else if (strcmp(res, "MONO") == 0) {
X        scinit(CDMONO);
X        return(TRUE);
X    } else
X        return(FALSE);
}
X
z309beep()
{
#if    MWC86
X    putcnb(BEL);
#else
X    bdos(6, BEL, 0);
#endif
}
X
z309open()
{
X    scinit(CDSENSE);
X    revexist = TRUE;
X        ttopen();
}
X
z309close()
X
{
X    rg.h.ah = 101;
X    rg.h.al = 1;    /* 25-line interlace mode */
X    int86(0x10, &rg, &rg);
#if    COLOR
X    z309fcol(7);
X    z309bcol(0);
#endif
X    ttclose();
}
X
z309kopen()    /* open the keyboard */
X
{
}
X
z309kclose()    /* close the keyboard */
X
{
}
X
scinit(type)    /* initialize the screen head pointers */
X
int type;    /* type of adapter to init for */
X
{
X    union {
X        long laddr;    /* long form of address */
X        int *paddr;    /* pointer form of address */
X    } addr;
X    int i;
X
X    /* if asked...find out what display is connected */
X    int86(0x11, &rg, &rg);
X    dtype = CDCGA50;
X    scadd = SCADC;
X    strcpy(sres, "CGA50");
X    if ((((rg.x.ax >> 4) & 11) == 3) || type == CDMONO) {
X        strcpy(sres, "MONO");
X        dtype = CDMONO;
X        scadd = SCADM;
X    }
X    else {
X        rg.h.ah = 101;
/* set al = 1 for 25-line interlace mode */
X        rg.h.al = 2;    /* 50-line interlace mode */
X        int86(0x10, &rg, &rg);
X    }
X
X    /* initialize the screen pointer array */
X    for (i = 0; i < NROW; i++) {
X        addr.laddr = scadd + (long)(NCOL * i * 2);
X        scptr[i] = addr.paddr;
X    }
}
X
scwrite(row, outstr, forg, bacg)    /* write a line out*/
X
int row;    /* row of screen to place outstr on */
char *outstr;    /* string to write out (must be term.t_ncol long) */
int forg;    /* forground color of string to write */
int bacg;    /* background color */
X
{
X    int attr;    /* attribute byte mask to place in RAM */
X    int *lnptr;    /* pointer to the destination line */
X    int i;
X
X    /* build the attribute byte and setup the screen pointer */
#if    COLOR
X    if (dtype != CDMONO)
X        attr = (((ctrans[bacg] & 15) << 4) | (ctrans[forg] & 15)) << 8;
X    else
X        attr = (((bacg & 15) << 4) | (forg & 15)) << 8;
#else
X    attr = (((bacg & 15) << 4) | (forg & 15)) << 8;
#endif
X    lnptr = &sline[0];
X    for (i=0; i<term.t_ncol; i++)
X        *lnptr++ = (outstr[i] & 255) | attr;
X
#if 0    /* Heath/Zenith builds flicker-less CGAs */
X    if (flickcode) {
X        /* wait for vertical retrace to be off */
X        while ((inp(0x3da) & 8))
X            ;
X
X        /* and to be back on */
X        while ((inp(0x3da) & 8) == 0)
X            ;
X    }
#endif
X
X    /* and send the string out */
X    movmem(&sline[0], scptr[row],term.t_ncol*2);
}
X
#if    FLABEL
fnclabel(f, n)        /* label a function key */
X
int f,n;    /* default flag, numeric argument [unused] */
X
{
X    /* on machines with no function keys...don't bother */
X    return(TRUE);
}
#endif
#else
z309hello()
{
}
#endif
SHAR_EOF
chmod 0444 z309.c ||
echo 'restore of z309.c failed'
Wc_c="`wc -c < 'z309.c'`"
test 7806 -eq "$Wc_c" ||
    echo 'z309.c: original size 7806, current size' "$Wc_c"
rm -f _shar_seq_.tmp
echo You have unpacked the last part
exit 0
--
        paul fox, [e-mail], [phone]
        Cayman Systems, 26 Landsdowne St., Cambridge, MA 02139