1 /****************************************************************************
2 * Copyright (c) 2001-2006,2007 Free Software Foundation, Inc. *
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: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
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. *
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 *
27 ****************************************************************************/
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 ****************************************************************************/
36 * visbuf.c - Tracing/Debugging support routines
39 #define NEED_NCURSES_CH_T
40 #include <curses.priv.h>
45 MODULE_ID("$Id: visbuf.c,v 1.23 2007/04/07 19:25:28 tom Exp $")
48 static const char d_quote[] = {D_QUOTE, 0};
49 static const char l_brace[] = {L_BRACE, 0};
50 static const char r_brace[] = {R_BRACE, 0};
54 _nc_vischar(char *tp, unsigned c)
56 if (c == '"' || c == '\\') {
59 } else if (is7bits(c) && (isgraph(c) || c == ' ')) {
61 } else if (c == '\n') {
64 } else if (c == '\r') {
67 } else if (c == '\b') {
70 } else if (c == '\033') {
73 } else if (is7bits(c) && iscntrl(UChar(c))) {
78 sprintf(tp, "\\%03lo", (unsigned long) ChCharOf(c));
86 _nc_visbuf2n(int bufnum, const char *buf, int len)
94 if (buf == CANCELLED_STRING)
95 return ("(cancelled)");
101 tp = vbuf = _nc_trace_buf(bufnum, (unsigned) (len * 4) + 5);
104 static char *mybuf[4];
105 mybuf[bufnum] = typeRealloc(char, (unsigned) (len * 4) + 5, mybuf[bufnum]);
106 tp = vbuf = mybuf[bufnum];
110 while ((--len >= 0) && (c = *buf++) != '\0') {
111 tp = _nc_vischar(tp, UChar(c));
118 NCURSES_EXPORT(const char *)
119 _nc_visbuf2(int bufnum, const char *buf)
121 return _nc_visbuf2n(bufnum, buf, -1);
124 NCURSES_EXPORT(const char *)
125 _nc_visbuf(const char *buf)
127 return _nc_visbuf2(0, buf);
130 NCURSES_EXPORT(const char *)
131 _nc_visbufn(const char *buf, int len)
133 return _nc_visbuf2n(0, buf, len);
137 #if USE_WIDEC_SUPPORT
139 #if defined(USE_TERMLIB)
140 #define _nc_wchstrlen _my_wchstrlen
142 _nc_wchstrlen(const cchar_t *s)
145 while (CharOf(s[result]) != L'\0') {
153 _nc_viswbuf2n(int bufnum, const wchar_t *buf, int len)
166 tp = vbuf = _nc_trace_buf(bufnum, (unsigned) (len * 4) + 5);
169 static char *mybuf[2];
170 mybuf[bufnum] = typeRealloc(char, (unsigned) (len * 4) + 5, mybuf[bufnum]);
171 tp = vbuf = mybuf[bufnum];
175 while ((--len >= 0) && (c = *buf++) != '\0') {
176 char temp[CCHARW_MAX + 80];
177 int j = wctomb(temp, c), k;
179 sprintf(temp, "\\u%08X", (wint_t) c);
182 for (k = 0; k < j; ++k) {
183 tp = _nc_vischar(tp, UChar(temp[k]));
191 NCURSES_EXPORT(const char *)
192 _nc_viswbuf2(int bufnum, const wchar_t *buf)
194 return _nc_viswbuf2n(bufnum, buf, -1);
197 NCURSES_EXPORT(const char *)
198 _nc_viswbuf(const wchar_t *buf)
200 return _nc_viswbuf2(0, buf);
203 NCURSES_EXPORT(const char *)
204 _nc_viswbufn(const wchar_t *buf, int len)
206 return _nc_viswbuf2n(0, buf, len);
209 /* this special case is used for wget_wstr() */
210 NCURSES_EXPORT(const char *)
211 _nc_viswibuf(const wint_t *buf)
213 static wchar_t *mybuf;
214 static unsigned mylen;
217 for (n = 0; buf[n] != 0; ++n) ;
221 mybuf = typeRealloc(wchar_t, mylen, mybuf);
223 mybuf = typeMalloc(wchar_t, mylen);
225 for (n = 0; buf[n] != 0; ++n)
226 mybuf[n] = (wchar_t) buf[n];
228 return _nc_viswbuf2(0, mybuf);
230 #endif /* USE_WIDEC_SUPPORT */
232 /* use these functions for displaying parts of a line within a window */
233 NCURSES_EXPORT(const char *)
234 _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
236 char *result = _nc_trace_buf(bufnum, BUFSIZ);
240 #if USE_WIDEC_SUPPORT
242 len = _nc_wchstrlen(buf);
243 #endif /* USE_WIDEC_SUPPORT */
246 * Display one or more strings followed by attributes.
249 while (first < len) {
250 attr_t attr = AttrOf(buf[first]);
254 for (j = first + 1; j < len; ++j) {
255 if (!SameAttrOf(buf[j], buf[first])) {
261 result = _nc_trace_bufcat(bufnum, l_brace);
262 result = _nc_trace_bufcat(bufnum, d_quote);
263 for (j = first; j <= last; ++j) {
264 if ((found = _nc_altcharset_name(attr, (chtype) CharOf(buf[j]))) != 0) {
265 result = _nc_trace_bufcat(bufnum, found);
266 attr &= ~A_ALTCHARSET;
268 #if USE_WIDEC_SUPPORT
269 if (!isWidecExt(buf[j])) {
273 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
276 PUTC_ch = buf[j].chars[PUTC_i];
277 if (PUTC_ch == L'\0')
279 PUTC_n = wcrtomb(PUTC_buf, buf[j].chars[PUTC_i], &PUT_st);
282 for (k = 0; k < PUTC_n; k++) {
284 _nc_vischar(temp, UChar(PUTC_buf[k]));
285 result = _nc_trace_bufcat(bufnum, temp);
292 _nc_vischar(temp, UChar(buf[j]));
293 result = _nc_trace_bufcat(bufnum, temp);
295 #endif /* USE_WIDEC_SUPPORT */
297 result = _nc_trace_bufcat(bufnum, d_quote);
298 if (attr != A_NORMAL) {
299 result = _nc_trace_bufcat(bufnum, " | ");
300 result = _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
302 result = _nc_trace_bufcat(bufnum, r_brace);
308 NCURSES_EXPORT(const char *)
309 _nc_viscbuf(const NCURSES_CH_T * buf, int len)
311 return _nc_viscbuf2(0, buf, len);