Amiga Plus 2002 #11/Amiga Plus CD - 2002 - No. 11.iso/Tools/Development/ncurses-5.3/ncurses/trace/lib_tracedmp.c

C/C++ Source or Header | 2002-10-27 | 4.9 KB | 147 lines

/****************************************************************************
 * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc.              *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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/****************************************************************************
 *  Author: Thomas E. Dickey 1996-2001                                      *
 *     and: Zeyd M. Ben-Halim <[e-mail]> 1992,1995               *
 *     and: Eric S. Raymond <[e-mail]>                         *
 ****************************************************************************/

/*
 *    lib_tracedmp.c - Tracing/Debugging routines
 */

#include <curses.priv.h>
#include <ctype.h>

MODULE_ID("$Id: lib_tracedmp.c,v 1.25 2002/09/22 22:21:38 tom Exp $")

#ifdef TRACE
NCURSES_EXPORT(void)
_tracedump(const char *name, WINDOW *win)
{
    static char *buf = 0;
    static size_t used = 0;

    int i, j, n, width;

    /* compute narrowest possible display width */
    for (width = i = 0; i <= win->_maxy; ++i) {
    n = 0;
    for (j = 0; j <= win->_maxx; ++j)
        if (CharOf(win->_line[i].text[j]) != L(' ')
        || AttrOf(win->_line[i].text[j]) != A_NORMAL)
        n = j;

    if (n > width)
        width = n;
    }
    if (width < win->_maxx)
    ++width;
    if (++width + 1 > (int) used) {
    used = 2 * (width + 1);
    buf = typeRealloc(char, used, buf);
    }

    for (n = 0; n <= win->_maxy; ++n) {
    char *ep = buf;
    bool haveattrs, havecolors;

    /*
     * Dump A_CHARTEXT part.  It is more important to make the grid line up
     * in the trace file than to represent control- and wide-characters, so
     * we map those to '.' and '?' respectively.
     */
    for (j = 0; j < width; ++j) {
        chtype test = CharOf(win->_line[n].text[j]);
        ep[j] = (UChar(test) == test
#if USE_WIDEC_SUPPORT
             && (win->_line[n].text[j].chars[1] == 0)
#endif
        )
        ? (iscntrl(UChar(test))
           ? '.'
           : UChar(test))
        : '?';
    }
    ep[j] = '\0';
    _tracef("%s[%2d] %3d%3d ='%s'",
        name, n,
        win->_line[n].firstchar,
        win->_line[n].lastchar,
        ep);

    /* dump A_COLOR part, will screw up if there are more than 96 */
    havecolors = FALSE;
    for (j = 0; j < width; ++j)
        if (AttrOf(win->_line[n].text[j]) & A_COLOR) {
        havecolors = TRUE;
        break;
        }
    if (havecolors) {
        ep = buf;
        for (j = 0; j < width; ++j)
        ep[j] = UChar(AttrOf(win->_line[n].text[j]) >>
                  NCURSES_ATTR_SHIFT) + ' ';
        ep[j] = '\0';
        _tracef("%*s[%2d]%*s='%s'", (int) strlen(name),
            "colors", n, 8, " ", buf);
    }

    for (i = 0; i < 4; ++i) {
        const char *hex = " 123456789ABCDEF";
        attr_t mask = (0xf << ((i + 4) * 4));

        haveattrs = FALSE;
        for (j = 0; j < width; ++j)
        if (AttrOf(win->_line[n].text[j]) & mask) {
            haveattrs = TRUE;
            break;
        }
        if (haveattrs) {
        ep = buf;
        for (j = 0; j < width; ++j)
            ep[j] = hex[(AttrOf(win->_line[n].text[j]) & mask) >>
                ((i + 4) * 4)];
        ep[j] = '\0';
        _tracef("%*s%d[%2d]%*s='%s'", (int) strlen(name) -
            1, "attrs", i, n, 8, " ", buf);
        }
    }
    }
#if NO_LEAKS
    free(buf);
    buf = 0;
    used = 0;
#endif
}

#else
empty_module(_nc_lib_tracedmp)
#endif /* TRACE */