X-Git-Url: https://pd.if.org/git/?p=pd_readline;a=blobdiff_plain;f=mg%2Frandom.c;fp=mg%2Frandom.c;h=0000000000000000000000000000000000000000;hp=27fd0c3fde80979a9cded4167bdb61303ec29d53;hb=4bb27266f935c9aafad6870ffc8847fc65c8120f;hpb=3f771e17236364ded86e96ee64f99344337991f8

diff --git a/mg/random.c b/mg/random.c
deleted file mode 100644
index 27fd0c3..0000000
--- a/mg/random.c
+++ /dev/null
@@ -1,496 +0,0 @@
-/*	$OpenBSD: random.c,v 1.31 2012/05/18 02:13:44 lum Exp $	*/
-
-/* This file is in the public domain. */
-
-/*
- *		Assorted commands.
- * This file contains the command processors for a large assortment of
- * unrelated commands.  The only thing they have in common is that they
- * are all command processors.
- */
-
-#include "def.h"
-
-#include <ctype.h>
-
-/*
- * Display a bunch of useful information about the current location of dot.
- * The character under the cursor (in octal), the current line, row, and
- * column, and approximate position of the cursor in the file (as a
- * percentage) is displayed.  The column position assumes an infinite
- * position display; it does not truncate just because the screen does.
- * This is normally bound to "C-X =".
- */
-/* ARGSUSED */
-int
-showcpos(int f, int n)
-{
-	struct line	*clp;
-	long	 nchar, cchar;
-	int	 nline, row;
-	int	 cline, cbyte;		/* Current line/char/byte */
-	int	 ratio;
-
-	/* collect the data */
-	clp = bfirstlp(curbp);
-	cchar = 0;
-	cline = 0;
-	cbyte = 0;
-	nchar = 0;
-	nline = 0;
-	for (;;) {
-		/* count this line */
-		++nline;
-		if (clp == curwp->w_dotp) {
-			/* mark line */
-			cline = nline;
-			cchar = nchar + curwp->w_doto;
-			if (curwp->w_doto == llength(clp))
-				cbyte = '\n';
-			else
-				cbyte = lgetc(clp, curwp->w_doto);
-		}
-		/* now count the chars */
-		nchar += llength(clp);
-		clp = lforw(clp);
-		if (clp == curbp->b_headp)
-			break;
-		/* count the newline */
-		nchar++;
-	}
-	/* determine row */
-	row = curwp->w_toprow + 1;
-	clp = curwp->w_linep;
-	while (clp != curbp->b_headp && clp != curwp->w_dotp) {
-		++row;
-		clp = lforw(clp);
-	}
-	/* NOSTRICT */
-	ratio = nchar ? (100L * cchar) / nchar : 100;
-	ewprintf("Char: %c (0%o)  point=%ld(%d%%)  line=%d  row=%d  col=%d",
-	    cbyte, cbyte, cchar, ratio, cline, row, getcolpos());
-	return (TRUE);
-}
-
-int
-getcolpos(void)
-{
-	int	col, i, c;
-	char tmp[5];
-
-	/* determine column */
-	col = 0;
-
-	for (i = 0; i < curwp->w_doto; ++i) {
-		c = lgetc(curwp->w_dotp, i);
-		if (c == '\t'
-#ifdef NOTAB
-		    && !(curbp->b_flag & BFNOTAB)
-#endif /* NOTAB */
-			) {
-			col |= 0x07;
-			col++;
-		} else if (ISCTRL(c) != FALSE)
-			col += 2;
-		else if (isprint(c)) {
-			col++;
-		} else {
-			col += snprintf(tmp, sizeof(tmp), "\\%o", c);
-		}
-
-	}
-	return (col);
-}
-
-/*
- * Twiddle the two characters on either side of dot.  If dot is at the end
- * of the line twiddle the two characters before it.  Return with an error
- * if dot is at the beginning of line; it seems to be a bit pointless to
- * make this work.  This fixes up a very common typo with a single stroke.
- * Normally bound to "C-T".  This always works within a line, so "WFEDIT"
- * is good enough.
- */
-/* ARGSUSED */
-int
-twiddle(int f, int n)
-{
-	struct line	*dotp;
-	int	 doto, cr;
-	int	 fudge = FALSE;
-
-	dotp = curwp->w_dotp;
-	doto = curwp->w_doto;
-	if (doto == llength(dotp)) {
-		if (--doto <= 0)
-			return (FALSE);
-		(void)backchar(FFRAND, 1);
-		fudge = TRUE;
-	} else {
-		if (doto == 0)
-			return (FALSE);
-	}
-	undo_boundary_enable(FFRAND, 0);
-	cr = lgetc(dotp, doto - 1);
-	(void)backdel(FFRAND, 1);
-	(void)forwchar(FFRAND, 1);
-	linsert(1, cr);
-	if (fudge != TRUE)
-		(void)backchar(FFRAND, 1);
-	undo_boundary_enable(FFRAND, 1);
-	lchange(WFEDIT);
-	return (TRUE);
-}
-
-/*
- * Open up some blank space.  The basic plan is to insert a bunch of
- * newlines, and then back up over them.  Everything is done by the
- * subcommand processors.  They even handle the looping.  Normally this
- * is bound to "C-O".
- */
-/* ARGSUSED */
-int
-openline(int f, int n)
-{
-	int	i, s;
-
-	if (n < 0)
-		return (FALSE);
-	if (n == 0)
-		return (TRUE);
-
-	/* insert newlines */
-	undo_boundary_enable(FFRAND, 0);
-	i = n;
-	do {
-		s = lnewline();
-	} while (s == TRUE && --i);
-
-	/* then go back up overtop of them all */
-	if (s == TRUE)
-		s = backchar(f | FFRAND, n);
-	undo_boundary_enable(FFRAND, 1);
-	return (s);
-}
-
-/*
- * Insert a newline.
- */
-/* ARGSUSED */
-int
-newline(int f, int n)
-{
-	int	 s;
-
-	if (n < 0)
-		return (FALSE);
-
-	while (n--) {
-		if ((s = lnewline()) != TRUE)
-			return (s);
-	}
-	return (TRUE);
-}
-
-/*
- * Delete blank lines around dot. What this command does depends if dot is
- * sitting on a blank line. If dot is sitting on a blank line, this command
- * deletes all the blank lines above and below the current line. If it is
- * sitting on a non blank line then it deletes all of the blank lines after
- * the line. Normally this command is bound to "C-X C-O". Any argument is
- * ignored.
- */
-/* ARGSUSED */
-int
-deblank(int f, int n)
-{
-	struct line	*lp1, *lp2;
-	RSIZE	 nld;
-
-	lp1 = curwp->w_dotp;
-	while (llength(lp1) == 0 && (lp2 = lback(lp1)) != curbp->b_headp)
-		lp1 = lp2;
-	lp2 = lp1;
-	nld = (RSIZE)0;
-	while ((lp2 = lforw(lp2)) != curbp->b_headp && llength(lp2) == 0)
-		++nld;
-	if (nld == 0)
-		return (TRUE);
-	curwp->w_dotp = lforw(lp1);
-	curwp->w_doto = 0;
-	return (ldelete((RSIZE)nld, KNONE));
-}
-
-/*
- * Delete any whitespace around dot, then insert a space.
- */
-int
-justone(int f, int n)
-{
-	undo_boundary_enable(FFRAND, 0);
-	(void)delwhite(f, n);
-	linsert(1, ' ');
-	undo_boundary_enable(FFRAND, 1);
-	return (TRUE);
-}
-
-/*
- * Delete any whitespace around dot.
- */
-/* ARGSUSED */
-int
-delwhite(int f, int n)
-{
-	int	col, s;
-
-	col = curwp->w_doto;
-
-	while (col < llength(curwp->w_dotp) &&
-	    (isspace(lgetc(curwp->w_dotp, col))))
-		++col;
-	do {
-		if (curwp->w_doto == 0) {
-			s = FALSE;
-			break;
-		}
-		if ((s = backchar(FFRAND, 1)) != TRUE)
-			break;
-	} while (isspace(lgetc(curwp->w_dotp, curwp->w_doto)));
-
-	if (s == TRUE)
-		(void)forwchar(FFRAND, 1);
-	(void)ldelete((RSIZE)(col - curwp->w_doto), KNONE);
-	return (TRUE);
-}
-
-/*
- * Delete any leading whitespace on the current line
- */
-int
-delleadwhite(int f, int n)
-{
-	int soff, ls;
-	struct line *slp;
-
-	/* Save current position */
-	slp = curwp->w_dotp;
-	soff = curwp->w_doto;
-
-	for (ls = 0; ls < llength(slp); ls++)
-                 if (!isspace(lgetc(slp, ls)))
-                        break;
-	gotobol(FFRAND, 1);
-	forwdel(FFRAND, ls);
-	soff -= ls;
-	if (soff < 0)
-		soff = 0;
-	forwchar(FFRAND, soff);
-
-	return (TRUE);
-}
-
-/*
- * Delete any trailing whitespace on the current line
- */
-int
-deltrailwhite(int f, int n)
-{
-	int soff;
-
-	/* Save current position */
-	soff = curwp->w_doto;
-
-	gotoeol(FFRAND, 1);
-	delwhite(FFRAND, 1);
-
-	/* restore original position, if possible */
-	if (soff < curwp->w_doto)
-		curwp->w_doto = soff;
-
-	return (TRUE);
-}
-
-
-
-/*
- * Insert a newline, then enough tabs and spaces to duplicate the indentation
- * of the previous line.  Assumes tabs are every eight characters.  Quite
- * simple.  Figure out the indentation of the current line.  Insert a newline
- * by calling the standard routine.  Insert the indentation by inserting the
- * right number of tabs and spaces.  Return TRUE if all ok.  Return FALSE if
- * one of the subcommands failed. Normally bound to "C-M".
- */
-/* ARGSUSED */
-int
-lfindent(int f, int n)
-{
-	int	c, i, nicol;
-	int	s = TRUE;
-
-	if (n < 0)
-		return (FALSE);
-
-	undo_boundary_enable(FFRAND, 0);
-	while (n--) {
-		nicol = 0;
-		for (i = 0; i < llength(curwp->w_dotp); ++i) {
-			c = lgetc(curwp->w_dotp, i);
-			if (c != ' ' && c != '\t')
-				break;
-			if (c == '\t')
-				nicol |= 0x07;
-			++nicol;
-		}
-		if (lnewline() == FALSE || ((
-#ifdef	NOTAB
-		    curbp->b_flag & BFNOTAB) ? linsert(nicol, ' ') == FALSE : (
-#endif /* NOTAB */
-		    ((i = nicol / 8) != 0 && linsert(i, '\t') == FALSE) ||
-		    ((i = nicol % 8) != 0 && linsert(i, ' ') == FALSE)))) {
-			s = FALSE;
-			break;
-		}
-	}
-	undo_boundary_enable(FFRAND, 1);
-	return (s);
-}
-
-/*
- * Indent the current line. Delete existing leading whitespace,
- * and use tabs/spaces to achieve correct indentation. Try
- * to leave dot where it started.
- */
-int
-indent(int f, int n)
-{
-	int soff, i;
-
-	if (n < 0)
-		return (FALSE);
-
-	delleadwhite(FFRAND, 1);
-
-	/* If not invoked with a numerical argument, done */
-	if (!(f & FFARG))
-		return (TRUE);
-
-	/* insert appropriate whitespace */
-	soff = curwp->w_doto;
-	(void)gotobol(FFRAND, 1);
-	if (
-#ifdef	NOTAB
-	    (curbp->b_flag & BFNOTAB) ? linsert(n, ' ') == FALSE :
-#endif /* NOTAB */
-	    (((i = n / 8) != 0 && linsert(i, '\t') == FALSE) ||
-	    ((i = n % 8) != 0 && linsert(i, ' ') == FALSE)))
-		return (FALSE);
-
-	forwchar(FFRAND, soff);
-
-	return (TRUE);
-}
-
-
-/*
- * Delete forward.  This is real easy, because the basic delete routine does
- * all of the work.  Watches for negative arguments, and does the right thing.
- * If any argument is present, it kills rather than deletes, to prevent loss
- * of text if typed with a big argument.  Normally bound to "C-D".
- */
-/* ARGSUSED */
-int
-forwdel(int f, int n)
-{
-	if (n < 0)
-		return (backdel(f | FFRAND, -n));
-
-	/* really a kill */
-	if (f & FFARG) {
-		if ((lastflag & CFKILL) == 0)
-			kdelete();
-		thisflag |= CFKILL;
-	}
-
-	return (ldelete((RSIZE) n, (f & FFARG) ? KFORW : KNONE));
-}
-
-/*
- * Delete backwards.  This is quite easy too, because it's all done with
- * other functions.  Just move the cursor back, and delete forwards.  Like
- * delete forward, this actually does a kill if presented with an argument.
- */
-/* ARGSUSED */
-int
-backdel(int f, int n)
-{
-	int	s;
-
-	if (n < 0)
-		return (forwdel(f | FFRAND, -n));
-
-	/* really a kill */
-	if (f & FFARG) {
-		if ((lastflag & CFKILL) == 0)
-			kdelete();
-		thisflag |= CFKILL;
-	}
-	if ((s = backchar(f | FFRAND, n)) == TRUE)
-		s = ldelete((RSIZE)n, (f & FFARG) ? KFORW : KNONE);
-
-	return (s);
-}
-
-#ifdef	NOTAB
-/* ARGSUSED */
-int
-space_to_tabstop(int f, int n)
-{
-	if (n < 0)
-		return (FALSE);
-	if (n == 0)
-		return (TRUE);
-	return (linsert((n << 3) - (curwp->w_doto & 7), ' '));
-}
-#endif /* NOTAB */
-
-/*
- * Move the dot to the first non-whitespace character of the current line.
- */
-int
-backtoindent(int f, int n)
-{
-	gotobol(FFRAND, 1);
-	while (curwp->w_doto < llength(curwp->w_dotp) &&
-	    (isspace(lgetc(curwp->w_dotp, curwp->w_doto))))
-		++curwp->w_doto;
-	return (TRUE);
-}
-
-/*
- * Join the current line to the previous, or with arg, the next line
- * to the current one.  If the former line is not empty, leave exactly
- * one space at the joint.  Otherwise, leave no whitespace.
- */
-int
-joinline(int f, int n)
-{
-	int doto;
-
-	undo_boundary_enable(FFRAND, 0);
-	if (f & FFARG) {
-		gotoeol(FFRAND, 1);
-		forwdel(FFRAND, 1);
-	} else {
-		gotobol(FFRAND, 1);
-		backdel(FFRAND, 1);
-	}
-
-	delwhite(FFRAND, 1);
-
-	if ((doto = curwp->w_doto) > 0) {
-		linsert(1, ' ');
-		curwp->w_doto = doto;
-	}
-	undo_boundary_enable(FFRAND, 1);
-
-	return (TRUE);
-}