ncurses 5.6 - patch 20070421
[ncurses.git] / ncurses / trace / lib_traceatr.c
index c65c584f860095c5fd06f30973064cc3537c879a..6db61254b32379d13ecc0f90e4fa9cbd07d63124 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
+ * Copyright (c) 1998-2006,2007 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            *
@@ -27,7 +27,8 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *  Author: Thomas Dickey                           1996-on                 *
+ *     and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  ****************************************************************************/
 
 #include <curses.priv.h>
 #include <term.h>              /* acs_chars */
 
-MODULE_ID("$Id: lib_traceatr.c,v 1.30 2000/07/29 18:06:09 tom Exp $")
+MODULE_ID("$Id: lib_traceatr.c,v 1.58 2007/04/21 22:54:45 tom Exp $")
 
-#define COLOR_OF(c) (c < 0 || c > 7 ? "default" : colors[c].name)
+#define COLOR_OF(c) ((c < 0) ? "default" : (c > 7 ? color_of(c) : colors[c].name))
 
 #ifdef TRACE
-char *
-_traceattr2(int bufnum, attr_t newmode)
+
+static const char l_brace[] = {L_BRACE, 0};
+static const char r_brace[] = {R_BRACE, 0};
+
+#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)
 {
     char *buf = _nc_trace_buf(bufnum, BUFSIZ);
-    char *tmp = buf;
+    char temp[80];
     static const struct {
        unsigned int val;
        const char *name;
@@ -68,7 +97,9 @@ _traceattr2(int bufnum, attr_t newmode)
        { A_COLOR,              "A_COLOR" },
        /* *INDENT-ON* */
 
-    },
+    }
+#ifndef USE_TERMLIB
+    ,
        colors[] =
     {
        /* *INDENT-OFF* */
@@ -82,75 +113,83 @@ _traceattr2(int bufnum, attr_t newmode)
        { COLOR_WHITE,          "COLOR_WHITE" },
        /* *INDENT-ON* */
 
-    };
+    }
+#endif /* !USE_TERMLIB */
+    ;
     size_t n;
     unsigned save_nc_tracing = _nc_tracing;
     _nc_tracing = 0;
 
-    strcpy(tmp++, "{");
+    strcpy(buf, l_brace);
 
     for (n = 0; n < SIZEOF(names); n++) {
        if ((newmode & names[n].val) != 0) {
            if (buf[1] != '\0')
-               strcat(tmp, "|");
-           strcat(tmp, names[n].name);
-           tmp += strlen(tmp);
+               buf = _nc_trace_bufcat(bufnum, "|");
+           buf = _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(tmp,
+               if (pair_content(pairnum, &fg, &bg) == OK) {
+                   (void) sprintf(temp,
                                   "{%d = {%s, %s}}",
                                   pairnum,
                                   COLOR_OF(fg),
-                                  COLOR_OF(bg)
-                       );
-               else
-                   (void) sprintf(tmp, "{%d}", pairnum);
+                                  COLOR_OF(bg));
+               } else {
+                   (void) sprintf(temp, "{%d}", pairnum);
+               }
+#endif
+               buf = _nc_trace_bufcat(bufnum, temp);
            }
        }
     }
-    if (AttrOf(newmode) == A_NORMAL) {
+    if (ChAttrOf(newmode) == A_NORMAL) {
        if (buf[1] != '\0')
-           strcat(tmp, "|");
-       strcat(tmp, "A_NORMAL");
+           (void) _nc_trace_bufcat(bufnum, "|");
+       (void) _nc_trace_bufcat(bufnum, "A_NORMAL");
     }
 
     _nc_tracing = save_nc_tracing;
-    return (strcat(buf, "}"));
+    return (_nc_trace_bufcat(bufnum, r_brace));
 }
 
-char *
+NCURSES_EXPORT(char *)
 _traceattr(attr_t newmode)
 {
     return _traceattr2(0, newmode);
 }
 
 /* Trace 'int' return-values */
-attr_t
+NCURSES_EXPORT(attr_t)
 _nc_retrace_attr_t(attr_t code)
 {
     T((T_RETURN("%s"), _traceattr(code)));
     return code;
 }
 
-char *
-_tracechtype2(int bufnum, chtype ch)
+const char *
+_nc_altcharset_name(attr_t attr, chtype ch)
 {
-    char *buf = _nc_trace_buf(bufnum, BUFSIZ);
-    char *found = 0;
+    typedef struct {
+       unsigned int val;
+       const char *name;
+    } ALT_NAMES;
 
-    strcpy(buf, "{");
-    if (ch & A_ALTCHARSET) {
+    const char *result = 0;
+
+    if ((attr & A_ALTCHARSET) && (acs_chars != 0)) {
        char *cp;
-       static const struct {
-           unsigned int val;
-           const char *name;
-       } names[] =
+       char *found = 0;
+       /* *INDENT-OFF* */
+       static const ALT_NAMES names[] =
        {
-           /* *INDENT-OFF* */
            { 'l', "ACS_ULCORNER" },    /* upper left corner */
            { 'm', "ACS_LLCORNER" },    /* lower left corner */
            { 'k', "ACS_URCORNER" },    /* upper right corner */
@@ -184,57 +223,122 @@ _tracechtype2(int bufnum, chtype ch)
            { '|', "ACS_NEQUAL" },      /* not equal */
            { '}', "ACS_STERLING" },    /* UK pound sign */
            { '\0', (char *) 0 }
-               /* *INDENT-OFF* */
-       },
-           *sp;
+       };
+       /* *INDENT-OFF* */
+       const ALT_NAMES *sp;
 
        for (cp = acs_chars; cp[0] && cp[1]; cp += 2) {
-           if (TextOf(cp[1]) == TextOf(ch)) {
+           if (ChCharOf(cp[1]) == ChCharOf(ch)) {
                found = cp;
                /* don't exit from loop - there may be redefinitions */
            }
        }
 
        if (found != 0) {
-           ch = TextOf(*found);
+           ch = ChCharOf(*found);
            for (sp = names; sp->val; sp++)
                if (sp->val == ch) {
-                   (void) strcat(buf, sp->name);
-                   ch &= ~A_ALTCHARSET;
+                   result = sp->name;
                    break;
                }
        }
     }
+    return result;
+}
 
-    if (found == 0)
-       (void) strcat(buf, _tracechar(TextOf(ch)));
+NCURSES_EXPORT(char *)
+_tracechtype2(int bufnum, chtype ch)
+{
+    const char *found;
+
+    strcpy(_nc_trace_buf(bufnum, BUFSIZ), l_brace);
+    if ((found = _nc_altcharset_name(ChAttrOf(ch), ch)) != 0) {
+       (void) _nc_trace_bufcat(bufnum, found);
+    } else
+       (void) _nc_trace_bufcat(bufnum, _tracechar((int)ChCharOf(ch)));
 
-    if (AttrOf(ch) != A_NORMAL)
-       (void) sprintf(buf + strlen(buf), " | %s",
-               _traceattr2(bufnum + 20, AttrOf(ch)));
+    if (ChAttrOf(ch) != A_NORMAL) {
+       (void) _nc_trace_bufcat(bufnum, " | ");
+       (void) _nc_trace_bufcat(bufnum,
+               _traceattr2(bufnum + 20, ChAttrOf(ch)));
+    }
 
-    strcat(buf, "}");
-    return (buf);
+    return (_nc_trace_bufcat(bufnum, r_brace));
 }
 
-char *
-_tracechtype(chtype ch)
+NCURSES_EXPORT(char *)
+_tracechtype (chtype ch)
 {
     return _tracechtype2(0, ch);
 }
 
 /* Trace 'chtype' return-values */
-attr_t
-_nc_retrace_chtype(attr_t code)
+NCURSES_EXPORT(chtype)
+_nc_retrace_chtype (chtype code)
 {
     T((T_RETURN("%s"), _tracechtype(code)));
     return code;
 }
 
-#else
-extern void _nc_lib_traceatr(void);
-void
-_nc_lib_traceatr(void)
+#if USE_WIDEC_SUPPORT
+NCURSES_EXPORT(char *)
+_tracecchar_t2 (int bufnum, const cchar_t *ch)
 {
+    char *buf = _nc_trace_buf(bufnum, BUFSIZ);
+    attr_t attr;
+    const char *found;
+
+    strcpy(buf, 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, _tracechar(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, _tracechar(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));
+       }
+    }
+
+    return (_nc_trace_bufcat(bufnum, r_brace));
 }
+
+NCURSES_EXPORT(char *)
+_tracecchar_t (const cchar_t *ch)
+{
+    return _tracecchar_t2(0, ch);
+}
+#endif
+
+#else
+empty_module(_nc_lib_traceatr)
 #endif /* TRACE */