/****************************************************************************
- * Copyright (c) 2001 Free Software Foundation, Inc. *
+ * Copyright (c) 2001-2016,2017 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: Thomas E. Dickey 1996-2001 *
+ * Author: Thomas E. Dickey 1996-on *
* and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
* visbuf.c - Tracing/Debugging support routines
*/
+#define NEED_NCURSES_CH_T
#include <curses.priv.h>
#include <tic.h>
#include <ctype.h>
-MODULE_ID("$Id: visbuf.c,v 1.6 2002/10/06 00:03:43 tom Exp $")
+MODULE_ID("$Id: visbuf.c,v 1.49 2017/10/21 23:34:20 tom Exp $")
+
+#define NUM_VISBUFS 4
+
+#define NormalLen(len) (size_t) (((size_t)(len) + 1) * 4)
+#define WideLen(len) (size_t) (((size_t)(len) + 1) * 4 * (size_t) MB_CUR_MAX)
+
+#ifdef TRACE
+static const char d_quote[] = StringOf(D_QUOTE);
+static const char l_brace[] = StringOf(L_BRACE);
+static const char r_brace[] = StringOf(R_BRACE);
+#endif
+
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+#define VisChar(tp, chr, limit) _nc_vischar(tp, chr, limit)
+#define LIMIT_ARG ,size_t limit
+#else
+#define VisChar(tp, chr, limit) _nc_vischar(tp, chr)
+#define LIMIT_ARG /* nothing */
+#endif
static char *
-_nc_vischar(char *tp, unsigned c)
+_nc_vischar(char *tp, unsigned c LIMIT_ARG)
{
if (c == '"' || c == '\\') {
*tp++ = '\\';
- *tp++ = c;
- } else if (is7bits(c) && (isgraph(c) || c == ' ')) {
- *tp++ = c;
+ *tp++ = (char) c;
+ } else if (is7bits((int) c) && (isgraph((int) c) || c == ' ')) {
+ *tp++ = (char) c;
} else if (c == '\n') {
*tp++ = '\\';
*tp++ = 'n';
} else if (c == '\033') {
*tp++ = '\\';
*tp++ = 'e';
+ } else if (UChar(c) == 0x7f) {
+ *tp++ = '\\';
+ *tp++ = '^';
+ *tp++ = '?';
} else if (is7bits(c) && iscntrl(UChar(c))) {
*tp++ = '\\';
*tp++ = '^';
- *tp++ = '@' + c;
+ *tp++ = (char) ('@' + c);
} else {
- sprintf(tp, "\\%03lo", ChCharOf(c));
+ _nc_SPRINTF(tp, _nc_SLIMIT(limit)
+ "\\%03lo", (unsigned long) ChCharOf(c));
tp += strlen(tp);
}
+ *tp = 0;
return tp;
}
static const char *
_nc_visbuf2n(int bufnum, const char *buf, int len)
{
- char *vbuf;
+ const char *vbuf = 0;
char *tp;
- int c;
+ int count;
if (buf == 0)
return ("(null)");
return ("(cancelled)");
if (len < 0)
- len = strlen(buf);
+ len = (int) strlen(buf);
+ count = len;
#ifdef TRACE
- tp = vbuf = _nc_trace_buf(bufnum, (unsigned) (len * 4) + 5);
+ vbuf = tp = _nc_trace_buf(bufnum, NormalLen(len));
#else
{
- static char *mybuf[2];
- mybuf[bufnum] = typeRealloc(char, (unsigned) (len * 4) + 5, mybuf[bufnum]);
- tp = vbuf = mybuf[bufnum];
+ static char *mybuf[NUM_VISBUFS];
+ int c;
+
+ if (bufnum < 0) {
+ for (c = 0; c < NUM_VISBUFS; ++c) {
+ FreeAndNull(mybuf[c]);
+ }
+ tp = 0;
+ } else {
+ mybuf[bufnum] = typeRealloc(char, NormalLen(len), mybuf[bufnum]);
+ vbuf = tp = mybuf[bufnum];
+ }
}
#endif
- *tp++ = D_QUOTE;
- while ((--len >= 0) && (c = *buf++) != '\0') {
- tp = _nc_vischar(tp, UChar(c));
+ if (tp != 0) {
+ int c;
+
+ *tp++ = D_QUOTE;
+ while ((--count >= 0) && (c = *buf++) != '\0') {
+ tp = VisChar(tp, UChar(c), NormalLen(len));
+ }
+ *tp++ = D_QUOTE;
+ *tp = '\0';
+ } else {
+ vbuf = ("(_nc_visbuf2n failed)");
}
- *tp++ = D_QUOTE;
- *tp++ = '\0';
return (vbuf);
}
return _nc_visbuf2n(0, buf, len);
}
-#if USE_WIDEC_SUPPORT
#ifdef TRACE
+#if USE_WIDEC_SUPPORT
+
+#if defined(USE_TERMLIB)
+#define _nc_wchstrlen _my_wchstrlen
+static int
+_nc_wchstrlen(const cchar_t *s)
+{
+ int result = 0;
+ while (CharOf(s[result]) != L'\0') {
+ result++;
+ }
+ return result;
+}
+#endif
+
static const char *
-_nc_viswbuf2n(int bufnum, const wchar_t * buf, int len)
+_nc_viswbuf2n(int bufnum, const wchar_t *buf, int len)
{
- char *vbuf;
+ const char *vbuf;
char *tp;
- wchar_t c;
+ int count;
if (buf == 0)
return ("(null)");
if (len < 0)
- len = wcslen(buf);
+ len = (int) wcslen(buf);
+ count = len;
#ifdef TRACE
- tp = vbuf = _nc_trace_buf(bufnum, (unsigned) (len * 4) + 5);
+ vbuf = tp = _nc_trace_buf(bufnum, WideLen(len));
#else
{
- static char *mybuf[2];
- mybuf[bufnum] = typeRealloc(char, (unsigned) (len * 4) + 5, mybuf[bufnum]);
- tp = vbuf = mybuf[bufnum];
+ static char *mybuf[NUM_VISBUFS];
+ mybuf[bufnum] = typeRealloc(char, WideLen(len), mybuf[bufnum]);
+ vbuf = tp = mybuf[bufnum];
}
#endif
- *tp++ = D_QUOTE;
- while ((--len >= 0) && (c = *buf++) != '\0') {
- char temp[CCHARW_MAX + 80];
- int j = wctomb(temp, c), k;
- if (j <= 0) {
- sprintf(temp, "\\u%08X", (wint_t) c);
- j = strlen(temp);
- }
- for (k = 0; k < j; ++k) {
- tp = _nc_vischar(tp, temp[k]);
+ if (tp != 0) {
+ wchar_t c;
+
+ *tp++ = D_QUOTE;
+ while ((--count >= 0) && (c = *buf++) != '\0') {
+ char temp[CCHARW_MAX + 80];
+ int j = wctomb(temp, c), k;
+ if (j <= 0) {
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+ "\\u%08X", (unsigned) c);
+ j = (int) strlen(temp);
+ }
+ for (k = 0; k < j; ++k) {
+ tp = VisChar(tp, UChar(temp[k]), WideLen(len));
+ }
}
+ *tp++ = D_QUOTE;
+ *tp = '\0';
+ } else {
+ vbuf = ("(_nc_viswbuf2n failed)");
}
- *tp++ = D_QUOTE;
- *tp++ = '\0';
return (vbuf);
}
NCURSES_EXPORT(const char *)
-_nc_viswbuf2(int bufnum, const wchar_t * buf)
+_nc_viswbuf2(int bufnum, const wchar_t *buf)
{
return _nc_viswbuf2n(bufnum, buf, -1);
}
NCURSES_EXPORT(const char *)
-_nc_viswbuf(const wchar_t * buf)
+_nc_viswbuf(const wchar_t *buf)
{
return _nc_viswbuf2(0, buf);
}
NCURSES_EXPORT(const char *)
-_nc_viswbufn(const wchar_t * buf, int len)
+_nc_viswbufn(const wchar_t *buf, int len)
{
return _nc_viswbuf2n(0, buf, len);
}
+/* this special case is used for wget_wstr() */
NCURSES_EXPORT(const char *)
-_nc_viscbuf2(int bufnum, const cchar_t * buf, int len)
+_nc_viswibuf(const wint_t *buf)
{
- size_t have = BUFSIZ;
- char *result = _nc_trace_buf(bufnum, have);
- char *tp = result;
- int n;
- bool same = TRUE;
- attr_t attr = A_NORMAL;
- const char *found;
-
- if (len < 0)
- len = _nc_wchstrlen(buf);
+ static wchar_t *mybuf;
+ static unsigned mylen;
+ unsigned n;
- for (n = 1; n < len; n++) {
- if (AttrOf(buf[n]) != AttrOf(buf[0])) {
- same = FALSE;
- break;
+ for (n = 0; buf[n] != 0; ++n) {
+ ; /* empty */
+ }
+ if (mylen < ++n) {
+ mylen = n + 80;
+ if (mybuf != 0)
+ mybuf = typeRealloc(wchar_t, mylen, mybuf);
+ else
+ mybuf = typeMalloc(wchar_t, mylen);
+ }
+ if (mybuf != 0) {
+ for (n = 0; buf[n] != 0; ++n) {
+ mybuf[n] = (wchar_t) buf[n];
}
+ mybuf[n] = L'\0';
}
- /*
- * If the rendition is the same for the whole string, display it as a
- * quoted string, followed by the rendition. Otherwise, use the more
- * detailed trace function that displays each character separately.
- */
- if (same) {
- *tp++ = D_QUOTE;
- while (len-- > 0) {
- if ((found = _nc_altcharset_name(attr, CharOfD(buf))) != 0) {
- (void) strcpy(tp, found);
- tp += strlen(tp);
- attr &= ~A_ALTCHARSET;
- } else if (!isnac(CHDEREF(buf))) {
- PUTC_DATA;
-
- memset(&PUT_st, '\0', sizeof(PUT_st));
- PUTC_i = 0;
- do {
- PUTC_ch = PUTC_i < CCHARW_MAX ? buf->chars[PUTC_i] : L'\0';
- PUTC_n = wcrtomb(PUTC_buf, buf->chars[PUTC_i], &PUT_st);
- if (PUTC_ch == L'\0')
- --PUTC_n;
- if (PUTC_n <= 0)
- break;
- for (n = 0; n < PUTC_n; n++) {
- tp = _nc_vischar(tp, UChar(PUTC_buf[n]));
+ return _nc_viswbuf2(0, mybuf);
+}
+#endif /* USE_WIDEC_SUPPORT */
+
+/* use these functions for displaying parts of a line within a window */
+NCURSES_EXPORT(const char *)
+_nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
+{
+ char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
+
+ if (result != 0) {
+ int first = 0;
+
+#if USE_WIDEC_SUPPORT
+ if (len < 0)
+ len = _nc_wchstrlen(buf);
+#endif /* USE_WIDEC_SUPPORT */
+
+ /*
+ * Display one or more strings followed by attributes.
+ */
+ while (first < len) {
+ attr_t attr = AttrOf(buf[first]);
+ int last = len - 1;
+ int j;
+
+ for (j = first + 1; j < len; ++j) {
+ if (!SameAttrOf(buf[j], buf[first])) {
+ last = j - 1;
+ break;
+ }
+ }
+
+ (void) _nc_trace_bufcat(bufnum, l_brace);
+ (void) _nc_trace_bufcat(bufnum, d_quote);
+ for (j = first; j <= last; ++j) {
+ const char *found = _nc_altcharset_name(attr, (chtype)
+ CharOf(buf[j]));
+ if (found != 0) {
+ (void) _nc_trace_bufcat(bufnum, found);
+ attr &= ~A_ALTCHARSET;
+ } else
+#if USE_WIDEC_SUPPORT
+ if (!isWidecExt(buf[j])) {
+ PUTC_DATA;
+
+ for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
+ int k;
+ char temp[80];
+
+ PUTC_ch = buf[j].chars[PUTC_i];
+ if (PUTC_ch == L'\0') {
+ if (PUTC_i == 0)
+ (void) _nc_trace_bufcat(bufnum, "\\000");
+ break;
+ }
+ PUTC_INIT;
+ PUTC_n = (int) wcrtomb(PUTC_buf,
+ buf[j].chars[PUTC_i], &PUT_st);
+ if (PUTC_n <= 0 || buf[j].chars[PUTC_i] > 255) {
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+ "{%d:\\u%lx}",
+ wcwidth(buf[j].chars[PUTC_i]),
+ (unsigned long) buf[j].chars[PUTC_i]);
+ (void) _nc_trace_bufcat(bufnum, temp);
+ break;
+ }
+ for (k = 0; k < PUTC_n; k++) {
+ VisChar(temp, UChar(PUTC_buf[k]), sizeof(temp));
+ (void) _nc_trace_bufcat(bufnum, temp);
+ }
}
- ++PUTC_i;
- } while (PUTC_ch != L'\0');
+ }
+#else
+ {
+ char temp[80];
+ VisChar(temp, UChar(buf[j]), sizeof(temp));
+ (void) _nc_trace_bufcat(bufnum, temp);
+ }
+#endif /* USE_WIDEC_SUPPORT */
}
- buf++;
- }
- *tp++ = D_QUOTE;
- *tp++ = '\0';
- if (attr != A_NORMAL)
- (void) sprintf(tp, " | %s",
- _traceattr2(bufnum + 20, attr));
- } else {
- *tp++ = L_BRACE;
- while (len-- > 0) {
- char *temp = _tracecchar_t2(bufnum + 20, buf++);
- size_t used = (tp - result);
- size_t want = strlen(temp) + 5 + used;
- if (want > have) {
- result = _nc_trace_buf(bufnum, have = want);
- tp = result + used;
+ (void) _nc_trace_bufcat(bufnum, d_quote);
+ if (attr != A_NORMAL) {
+ (void) _nc_trace_bufcat(bufnum, " | ");
+ (void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
}
- (void) strcpy(tp, temp);
- tp += strlen(tp);
+ result = _nc_trace_bufcat(bufnum, r_brace);
+ first = last + 1;
}
- *tp++ = R_BRACE;
- *tp++ = '\0';
}
return result;
}
NCURSES_EXPORT(const char *)
-_nc_viscbuf(const cchar_t * buf, int len)
+_nc_viscbuf(const NCURSES_CH_T * buf, int len)
{
return _nc_viscbuf2(0, buf, len);
}
#endif /* TRACE */
-#endif /* USE_WIDEC_SUPPORT */
projects / ncurses.git / blobdiff