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/****************************************************************************
* Copyright (c) 1998-2007,2008 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. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Thomas Dickey 1996-on *
* and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
/*
* lib_traceatr.c - Tracing/Debugging routines (attributes)
*/
#include <curses.priv.h>
#include <term.h> /* acs_chars */
MODULE_ID("$Id: lib_traceatr.c,v 1.63 2008/08/03 16:24:53 tom Exp $")
#define COLOR_OF(c) ((c < 0) ? "default" : (c > 7 ? color_of(c) : colors[c].name))
#ifdef TRACE
static const char l_brace[] = StringOf(L_BRACE);
static const char r_brace[] = StringOf(R_BRACE);
#ifndef USE_TERMLIB
#define my_buffer _nc_globals.traceatr_color_buf
#define my_select _nc_globals.traceatr_color_sel
#define my_cached _nc_globals.traceatr_color_last
static char *
color_of(int c)
{
if (c != my_cached) {
my_cached = c;
my_select = !my_select;
if (c == COLOR_DEFAULT)
strcpy(my_buffer[my_select], "default");
else
sprintf(my_buffer[my_select], "color%d", c);
}
return my_buffer[my_select];
}
#undef my_buffer
#undef my_select
#endif /* !USE_TERMLIB */
NCURSES_EXPORT(char *)
_traceattr2(int bufnum, chtype newmode)
{
static const struct {
unsigned int val;
const char *name;
} names[] =
{
/* *INDENT-OFF* */
{ A_STANDOUT, "A_STANDOUT" },
{ A_UNDERLINE, "A_UNDERLINE" },
{ A_REVERSE, "A_REVERSE" },
{ A_BLINK, "A_BLINK" },
{ A_DIM, "A_DIM" },
{ A_BOLD, "A_BOLD" },
{ A_ALTCHARSET, "A_ALTCHARSET" },
{ A_INVIS, "A_INVIS" },
{ A_PROTECT, "A_PROTECT" },
{ A_CHARTEXT, "A_CHARTEXT" },
{ A_NORMAL, "A_NORMAL" },
{ A_COLOR, "A_COLOR" },
/* *INDENT-ON* */
}
#ifndef USE_TERMLIB
,
colors[] =
{
/* *INDENT-OFF* */
{ COLOR_BLACK, "COLOR_BLACK" },
{ COLOR_RED, "COLOR_RED" },
{ COLOR_GREEN, "COLOR_GREEN" },
{ COLOR_YELLOW, "COLOR_YELLOW" },
{ COLOR_BLUE, "COLOR_BLUE" },
{ COLOR_MAGENTA, "COLOR_MAGENTA" },
{ COLOR_CYAN, "COLOR_CYAN" },
{ COLOR_WHITE, "COLOR_WHITE" },
/* *INDENT-ON* */
}
#endif /* !USE_TERMLIB */
;
size_t n;
char temp[80];
char *result = _nc_trace_buf(bufnum, BUFSIZ);
if (result != 0) {
unsigned save_nc_tracing = _nc_tracing;
_nc_tracing = 0;
strcpy(result, l_brace);
for (n = 0; n < SIZEOF(names); n++) {
if ((newmode & names[n].val) != 0) {
if (result[1] != '\0')
result = _nc_trace_bufcat(bufnum, "|");
result = _nc_trace_bufcat(bufnum, names[n].name);
if (names[n].val == A_COLOR) {
short pairnum = PAIR_NUMBER(newmode);
#ifdef USE_TERMLIB
/* pair_content lives in libncurses */
(void) sprintf(temp, "{%d}", pairnum);
#else
short fg, bg;
if (pair_content(pairnum, &fg, &bg) == OK) {
(void) sprintf(temp,
"{%d = {%s, %s}}",
pairnum,
COLOR_OF(fg),
COLOR_OF(bg));
} else {
(void) sprintf(temp, "{%d}", pairnum);
}
#endif
result = _nc_trace_bufcat(bufnum, temp);
}
}
}
if (ChAttrOf(newmode) == A_NORMAL) {
if (result != 0 && result[1] != '\0')
(void) _nc_trace_bufcat(bufnum, "|");
(void) _nc_trace_bufcat(bufnum, "A_NORMAL");
}
_nc_tracing = save_nc_tracing;
result = _nc_trace_bufcat(bufnum, r_brace);
}
return result;
}
NCURSES_EXPORT(char *)
_traceattr(attr_t newmode)
{
return _traceattr2(0, newmode);
}
/* Trace 'int' return-values */
NCURSES_EXPORT(attr_t)
_nc_retrace_attr_t(attr_t code)
{
T((T_RETURN("%s"), _traceattr(code)));
return code;
}
const char *
_nc_altcharset_name(attr_t attr, chtype ch)
{
typedef struct {
unsigned int val;
const char *name;
} ALT_NAMES;
static const ALT_NAMES names[] =
{
{'l', "ACS_ULCORNER"}, /* upper left corner */
{'m', "ACS_LLCORNER"}, /* lower left corner */
{'k', "ACS_URCORNER"}, /* upper right corner */
{'j', "ACS_LRCORNER"}, /* lower right corner */
{'t', "ACS_LTEE"}, /* tee pointing right */
{'u', "ACS_RTEE"}, /* tee pointing left */
{'v', "ACS_BTEE"}, /* tee pointing up */
{'w', "ACS_TTEE"}, /* tee pointing down */
{'q', "ACS_HLINE"}, /* horizontal line */
{'x', "ACS_VLINE"}, /* vertical line */
{'n', "ACS_PLUS"}, /* large plus or crossover */
{'o', "ACS_S1"}, /* scan line 1 */
{'s', "ACS_S9"}, /* scan line 9 */
{'`', "ACS_DIAMOND"}, /* diamond */
{'a', "ACS_CKBOARD"}, /* checker board (stipple) */
{'f', "ACS_DEGREE"}, /* degree symbol */
{'g', "ACS_PLMINUS"}, /* plus/minus */
{'~', "ACS_BULLET"}, /* bullet */
{',', "ACS_LARROW"}, /* arrow pointing left */
{'+', "ACS_RARROW"}, /* arrow pointing right */
{'.', "ACS_DARROW"}, /* arrow pointing down */
{'-', "ACS_UARROW"}, /* arrow pointing up */
{'h', "ACS_BOARD"}, /* board of squares */
{'i', "ACS_LANTERN"}, /* lantern symbol */
{'0', "ACS_BLOCK"}, /* solid square block */
{'p', "ACS_S3"}, /* scan line 3 */
{'r', "ACS_S7"}, /* scan line 7 */
{'y', "ACS_LEQUAL"}, /* less/equal */
{'z', "ACS_GEQUAL"}, /* greater/equal */
{'{', "ACS_PI"}, /* Pi */
{'|', "ACS_NEQUAL"}, /* not equal */
{'}', "ACS_STERLING"}, /* UK pound sign */
{'\0', (char *) 0}
};
const char *result = 0;
if ((attr & A_ALTCHARSET) && (acs_chars != 0)) {
char *cp;
char *found = 0;
const ALT_NAMES *sp;
for (cp = acs_chars; cp[0] && cp[1]; cp += 2) {
if (ChCharOf(cp[1]) == ChCharOf(ch)) {
found = cp;
/* don't exit from loop - there may be redefinitions */
}
}
if (found != 0) {
ch = ChCharOf(*found);
for (sp = names; sp->val; sp++)
if (sp->val == ch) {
result = sp->name;
break;
}
}
}
return result;
}
NCURSES_EXPORT(char *)
_tracechtype2(int bufnum, chtype ch)
{
const char *found;
char *result = _nc_trace_buf(bufnum, BUFSIZ);
if (result != 0) {
strcpy(result, l_brace);
if ((found = _nc_altcharset_name(ChAttrOf(ch), ch)) != 0) {
(void) _nc_trace_bufcat(bufnum, found);
} else
(void) _nc_trace_bufcat(bufnum, _nc_tracechar(SP, (int) ChCharOf(ch)));
if (ChAttrOf(ch) != A_NORMAL) {
(void) _nc_trace_bufcat(bufnum, " | ");
(void) _nc_trace_bufcat(bufnum,
_traceattr2(bufnum + 20, ChAttrOf(ch)));
}
result = _nc_trace_bufcat(bufnum, r_brace);
}
return result;
}
NCURSES_EXPORT(char *)
_tracechtype(chtype ch)
{
return _tracechtype2(0, ch);
}
/* Trace 'chtype' return-values */
NCURSES_EXPORT(chtype)
_nc_retrace_chtype(chtype code)
{
T((T_RETURN("%s"), _tracechtype(code)));
return code;
}
#if USE_WIDEC_SUPPORT
NCURSES_EXPORT(char *)
_tracecchar_t2(int bufnum, const cchar_t *ch)
{
char *result = _nc_trace_buf(bufnum, BUFSIZ);
attr_t attr;
const char *found;
if (result != 0) {
strcpy(result, l_brace);
if (ch != 0) {
attr = AttrOfD(ch);
if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
(void) _nc_trace_bufcat(bufnum, found);
attr &= ~A_ALTCHARSET;
} else if (isWidecExt(CHDEREF(ch))) {
(void) _nc_trace_bufcat(bufnum, "{NAC}");
attr &= ~A_CHARTEXT;
} else {
PUTC_DATA;
int n;
PUTC_INIT;
(void) _nc_trace_bufcat(bufnum, "{ ");
for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
PUTC_ch = ch->chars[PUTC_i];
if (PUTC_ch == L'\0')
break;
PUTC_n = wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
if (PUTC_n <= 0) {
if (PUTC_ch != L'\0') {
/* it could not be a multibyte sequence */
(void) _nc_trace_bufcat(bufnum,
_nc_tracechar(SP,
UChar(ch->chars[PUTC_i])));
}
break;
}
for (n = 0; n < PUTC_n; n++) {
if (n)
(void) _nc_trace_bufcat(bufnum, ", ");
(void) _nc_trace_bufcat(bufnum,
_nc_tracechar(SP,
UChar(PUTC_buf[n])));
}
}
(void) _nc_trace_bufcat(bufnum, " }");
}
if (attr != A_NORMAL) {
(void) _nc_trace_bufcat(bufnum, " | ");
(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
}
}
result = _nc_trace_bufcat(bufnum, r_brace);
}
return result;
}
NCURSES_EXPORT(char *)
_tracecchar_t(const cchar_t *ch)
{
return _tracecchar_t2(0, ch);
}
#endif
#else
EMPTY_MODULE(_nc_lib_traceatr)
#endif /* TRACE */