ncurses 5.6 - patch 20070217
[ncurses.git] / ncurses / trace / lib_traceatr.c
index d9e007517f76b72cd7ecb8f10d72ade4c2b2a927..ee6cf5f1f3d37f175d4cc67f68944d8f4831856a 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ * Copyright (c) 1998-2005,2006 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            *
  ****************************************************************************/
 
 /****************************************************************************
- *  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>                         *
  ****************************************************************************/
 
-
-
 /*
  *     lib_traceatr.c - Tracing/Debugging routines (attributes)
  */
 
 #include <curses.priv.h>
-#include <term.h>      /* acs_chars */
+#include <term.h>              /* acs_chars */
 
-MODULE_ID("$Id: lib_traceatr.c,v 1.28 1998/03/21 18:39:36 tom Exp $")
+MODULE_ID("$Id: lib_traceatr.c,v 1.56 2006/12/02 21:18:28 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
+static char *
+color_of(int c)
 {
-char   *buf = _nc_trace_buf(bufnum, BUFSIZ);
-char   *tmp = buf;
-static const   struct {unsigned int val; const char *name;}
-names[] =
+    static char buffer[2][80];
+    static int sel;
+    static int last = -1;
+
+    if (c != last) {
+       last = c;
+       sel = !sel;
+       if (c == COLOR_DEFAULT)
+           strcpy(buffer[sel], "default");
+       else
+           sprintf(buffer[sel], "color%d", c);
+    }
+    return buffer[sel];
+}
+#endif /* !USE_TERMLIB */
+
+NCURSES_EXPORT(char *)
+_traceattr2(int bufnum, chtype newmode)
+{
+    char *buf = _nc_trace_buf(bufnum, BUFSIZ);
+    char temp[80];
+    static const struct {
+       unsigned int val;
+       const char *name;
+    } names[] =
     {
+       /* *INDENT-OFF* */
        { A_STANDOUT,           "A_STANDOUT" },
        { A_UNDERLINE,          "A_UNDERLINE" },
        { A_REVERSE,            "A_REVERSE" },
@@ -64,9 +91,14 @@ names[] =
        { A_CHARTEXT,           "A_CHARTEXT" },
        { A_NORMAL,             "A_NORMAL" },
        { A_COLOR,              "A_COLOR" },
-    },
-colors[] =
+       /* *INDENT-ON* */
+
+    }
+#ifndef USE_TERMLIB
+    ,
+       colors[] =
     {
+       /* *INDENT-OFF* */
        { COLOR_BLACK,          "COLOR_BLACK" },
        { COLOR_RED,            "COLOR_RED" },
        { COLOR_GREEN,          "COLOR_GREEN" },
@@ -75,144 +107,232 @@ colors[] =
        { COLOR_MAGENTA,        "COLOR_MAGENTA" },
        { COLOR_CYAN,           "COLOR_CYAN" },
        { COLOR_WHITE,          "COLOR_WHITE" },
-    };
-size_t n;
-unsigned save_nc_tracing = _nc_tracing;
-       _nc_tracing = 0;
-
-       strcpy(tmp++, "{");
-
-       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);
-
-                       if (names[n].val == A_COLOR)
-                       {
-                               short pairnum = PAIR_NUMBER(newmode);
-                               short fg, bg;
-       
-                               if (pair_content(pairnum, &fg, &bg) == OK)
-                                       (void) sprintf(tmp,
-                                               "{%d = {%s, %s}}",
-                                               pairnum,
-                                               COLOR_OF(fg),
-                                               COLOR_OF(bg)
-                                               );
-                               else
-                                       (void) sprintf(tmp, "{%d}", pairnum);
-                       }
+       /* *INDENT-ON* */
+
+    }
+#endif /* !USE_TERMLIB */
+    ;
+    size_t n;
+    unsigned save_nc_tracing = _nc_tracing;
+    _nc_tracing = 0;
+
+    strcpy(buf, l_brace);
+
+    for (n = 0; n < SIZEOF(names); n++) {
+       if ((newmode & names[n].val) != 0) {
+           if (buf[1] != '\0')
+               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(temp,
+                                  "{%d = {%s, %s}}",
+                                  pairnum,
+                                  COLOR_OF(fg),
+                                  COLOR_OF(bg));
+               } else {
+                   (void) sprintf(temp, "{%d}", pairnum);
                }
+#endif
+               buf = _nc_trace_bufcat(bufnum, temp);
+           }
        }
-       if (AttrOf(newmode) == A_NORMAL) {
-               if (buf[1] != '\0')
-                       strcat(tmp, "|");
-               strcat(tmp, "A_NORMAL");
-       }
+    }
+    if (ChAttrOf(newmode) == A_NORMAL) {
+       if (buf[1] != '\0')
+           (void) _nc_trace_bufcat(bufnum, "|");
+       (void) _nc_trace_bufcat(bufnum, "A_NORMAL");
+    }
 
-       _nc_tracing = save_nc_tracing;
-       return (strcat(buf,"}"));
+    _nc_tracing = save_nc_tracing;
+    return (_nc_trace_bufcat(bufnum, r_brace));
 }
 
-char *_traceattr(attr_t newmode)
+NCURSES_EXPORT(char *)
+_traceattr(attr_t newmode)
 {
-       return _traceattr2(0, newmode);
+    return _traceattr2(0, newmode);
 }
 
 /* Trace 'int' return-values */
-attr_t _nc_retrace_attr_t(attr_t code)
+NCURSES_EXPORT(attr_t)
+_nc_retrace_attr_t(attr_t code)
 {
-       T((T_RETURN("%s"), _traceattr(code)));
-       return 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;
+    const char *result = 0;
 
-    strcpy(buf, "{");
-    if (ch & A_ALTCHARSET)
-    {
-       char    *cp;
-       static const    struct {unsigned int val; const char *name;}
-       names[] =
+    if ((attr & A_ALTCHARSET) && (acs_chars != 0)) {
+       char *cp;
+       char *found = 0;
+       static const struct {
+           unsigned int val;
+           const char *name;
+       } 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}
+           /* *INDENT-OFF* */
+           { '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 }
+               /* *INDENT-OFF* */
        },
-       *sp;
+           *sp;
 
-       for (cp = acs_chars; cp[0] && cp[1]; cp += 2)
-       {
-           if (TextOf(cp[1]) == TextOf(ch))
-           {
+       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 = TextOf(*found);
+       if (found != 0) {
+           ch = ChCharOf(*found);
            for (sp = names; sp->val; sp++)
-               if (sp->val == ch)
-               {
-                   (void) strcat(buf, sp->name);
-                   ch &= ~A_ALTCHARSET;
+               if (sp->val == ch) {
+                   result = sp->name;
                    break;
                }
        }
     }
+    return result;
+}
+
+NCURSES_EXPORT(char *)
+_tracechtype2(int bufnum, chtype ch)
+{
+    const char *found;
 
-    if (found == 0)
-       (void) strcat(buf, _tracechar(TextOf(ch)));
+    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));
+}
+
+NCURSES_EXPORT(char *)
+_tracechtype (chtype ch)
+{
+    return _tracechtype2(0, ch);
 }
 
-char *_tracechtype(chtype ch)
+/* Trace 'chtype' return-values */
+NCURSES_EXPORT(chtype)
+_nc_retrace_chtype (chtype code)
 {
-       return _tracechtype2(0, ch);
+    T((T_RETURN("%s"), _tracechtype(code)));
+    return code;
 }
+
+#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
-extern void _nc_lib_traceatr(void);
-       void _nc_lib_traceatr(void) { }
+empty_module(_nc_lib_traceatr)
 #endif /* TRACE */