1/****************************************************************************
2 * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
3 *                                                                          *
4 * Permission is hereby granted, free of charge, to any person obtaining a  *
5 * copy of this software and associated documentation files (the            *
6 * "Software"), to deal in the Software without restriction, including      *
7 * without limitation the rights to use, copy, modify, merge, publish,      *
8 * distribute, distribute with modifications, sublicense, and/or sell       *
9 * copies of the Software, and to permit persons to whom the Software is    *
10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
12 * The above copyright notice and this permission notice shall be included  *
13 * in all copies or substantial portions of the Software.                   *
14 *                                                                          *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 *                                                                          *
23 * Except as contained in this notice, the name(s) of the above copyright   *
24 * holders shall not be used in advertising or otherwise to promote the     *
25 * sale, use or other dealings in this Software without prior written       *
26 * authorization.                                                           *
27 ****************************************************************************/
28
29/****************************************************************************
30 *  Author: Thomas E. Dickey 1996-on                                        *
31 *     and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
32 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
33 ****************************************************************************/
34
35/*
36 *	lib_tracedmp.c - Tracing/Debugging routines
37 */
38
39#include <curses.priv.h>
40#include <ctype.h>
41
42MODULE_ID("$Id: lib_tracedmp.c,v 1.31 2008/08/16 19:30:56 tom Exp $")
43
44#ifdef TRACE
45
46#define my_buffer _nc_globals.tracedmp_buf
47#define my_length _nc_globals.tracedmp_used
48
49NCURSES_EXPORT(void)
50_tracedump(const char *name, WINDOW *win)
51{
52    int i, j, n, width;
53
54    /* compute narrowest possible display width */
55    for (width = i = 0; i <= win->_maxy; ++i) {
56	n = 0;
57	for (j = 0; j <= win->_maxx; ++j) {
58	    if (CharOf(win->_line[i].text[j]) != L(' ')
59		|| AttrOf(win->_line[i].text[j]) != A_NORMAL
60		|| GetPair(win->_line[i].text[j]) != 0) {
61		n = j;
62	    }
63	}
64
65	if (n > width)
66	    width = n;
67    }
68    if (width < win->_maxx)
69	++width;
70    if (++width + 1 > (int) my_length) {
71	my_length = 2 * (width + 1);
72	my_buffer = typeRealloc(char, my_length, my_buffer);
73    }
74
75    for (n = 0; n <= win->_maxy; ++n) {
76	char *ep = my_buffer;
77	bool haveattrs, havecolors;
78
79	/*
80	 * Dump A_CHARTEXT part.  It is more important to make the grid line up
81	 * in the trace file than to represent control- and wide-characters, so
82	 * we map those to '.' and '?' respectively.
83	 */
84	for (j = 0; j < width; ++j) {
85	    chtype test = CharOf(win->_line[n].text[j]);
86	    ep[j] = (char) ((UChar(test) == test
87#if USE_WIDEC_SUPPORT
88			     && (win->_line[n].text[j].chars[1] == 0)
89#endif
90			    )
91			    ? (iscntrl(UChar(test))
92			       ? '.'
93			       : UChar(test))
94			    : '?');
95	}
96	ep[j] = '\0';
97	_tracef("%s[%2d] %3ld%3ld ='%s'",
98		name, n,
99		(long) win->_line[n].firstchar,
100		(long) win->_line[n].lastchar,
101		ep);
102
103	/* if there are multi-column characters on the line, print them now */
104	if_WIDEC({
105	    bool multicolumn = FALSE;
106	    for (j = 0; j < width; ++j)
107		if (WidecExt(win->_line[n].text[j]) != 0) {
108		    multicolumn = TRUE;
109		    break;
110		}
111	    if (multicolumn) {
112		ep = my_buffer;
113		for (j = 0; j < width; ++j) {
114		    int test = WidecExt(win->_line[n].text[j]);
115		    if (test) {
116			ep[j] = (char) (test + '0');
117		    } else {
118			ep[j] = ' ';
119		    }
120		}
121		ep[j] = '\0';
122		_tracef("%*s[%2d]%*s='%s'", (int) strlen(name),
123			"widec", n, 8, " ", my_buffer);
124	    }
125	});
126
127	/* dump A_COLOR part, will screw up if there are more than 96 */
128	havecolors = FALSE;
129	for (j = 0; j < width; ++j)
130	    if (GetPair(win->_line[n].text[j]) != 0) {
131		havecolors = TRUE;
132		break;
133	    }
134	if (havecolors) {
135	    ep = my_buffer;
136	    for (j = 0; j < width; ++j) {
137		int pair = GetPair(win->_line[n].text[j]);
138		if (pair >= 52)
139		    ep[j] = '?';
140		else if (pair >= 36)
141		    ep[j] = (char) (pair + 'A');
142		else if (pair >= 10)
143		    ep[j] = (char) (pair + 'a');
144		else if (pair >= 1)
145		    ep[j] = (char) (pair + '0');
146		else
147		    ep[j] = ' ';
148	    }
149	    ep[j] = '\0';
150	    _tracef("%*s[%2d]%*s='%s'", (int) strlen(name),
151		    "colors", n, 8, " ", my_buffer);
152	}
153
154	for (i = 0; i < 4; ++i) {
155	    const char *hex = " 123456789ABCDEF";
156	    attr_t mask = (0xf << ((i + 4) * 4));
157
158	    haveattrs = FALSE;
159	    for (j = 0; j < width; ++j)
160		if (AttrOf(win->_line[n].text[j]) & mask) {
161		    haveattrs = TRUE;
162		    break;
163		}
164	    if (haveattrs) {
165		ep = my_buffer;
166		for (j = 0; j < width; ++j)
167		    ep[j] = hex[(AttrOf(win->_line[n].text[j]) & mask) >>
168				((i + 4) * 4)];
169		ep[j] = '\0';
170		_tracef("%*s%d[%2d]%*s='%s'", (int) strlen(name) -
171			1, "attrs", i, n, 8, " ", my_buffer);
172	    }
173	}
174    }
175#if NO_LEAKS
176    free(my_buffer);
177    my_buffer = 0;
178    my_length = 0;
179#endif
180}
181
182#else
183EMPTY_MODULE(_nc_lib_tracedmp)
184#endif /* TRACE */
185