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authorRong-En Fan <rafan@FreeBSD.org>2008-11-09 09:06:04 +0000
committerRong-En Fan <rafan@FreeBSD.org>2008-11-09 09:06:04 +0000
commita388f199193767bacbb38b172ab89cb84369736c (patch)
treea1816f5667d2280b970ca44e407bac8cc4496c0a /ncurses/tinfo/lib_acs.c
parentaa59d4d4c5dda7e1c6f9dc0cc6edc58992a525c7 (diff)
downloadsrc-a388f199193767bacbb38b172ab89cb84369736c.tar.gz
src-a388f199193767bacbb38b172ab89cb84369736c.zip
- Flatten the vendor area
Notes
Notes: svn path=/vendor/ncurses/dist/; revision=184786
Diffstat (limited to 'ncurses/tinfo/lib_acs.c')
-rw-r--r--ncurses/tinfo/lib_acs.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/ncurses/tinfo/lib_acs.c b/ncurses/tinfo/lib_acs.c
new file mode 100644
index 000000000000..6a24285460b3
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+++ b/ncurses/tinfo/lib_acs.c
@@ -0,0 +1,193 @@
+/****************************************************************************
+ * 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 *
+ * "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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+#include <term.h> /* ena_acs, acs_chars */
+
+MODULE_ID("$Id: lib_acs.c,v 1.34 2007/09/29 20:37:13 tom Exp $")
+
+#if BROKEN_LINKER || USE_REENTRANT
+#define MyBuffer _nc_prescreen.real_acs_map
+NCURSES_EXPORT_VAR(chtype *)
+_nc_acs_map(void)
+{
+ if (MyBuffer == 0)
+ MyBuffer = typeCalloc(chtype, ACS_LEN);
+ return MyBuffer;
+}
+#undef MyBuffer
+#else
+NCURSES_EXPORT_VAR(chtype) acs_map[ACS_LEN] =
+{
+ 0
+};
+#endif
+
+NCURSES_EXPORT(void)
+_nc_init_acs(void)
+{
+ chtype *fake_map = acs_map;
+ chtype *real_map = SP != 0 ? SP->_acs_map : fake_map;
+ int j;
+
+ T(("initializing ACS map"));
+
+ /*
+ * If we're using this from curses (rather than terminfo), we are storing
+ * the mapping information in the SCREEN struct so we can decide how to
+ * render it.
+ */
+ if (real_map != fake_map) {
+ for (j = 1; j < ACS_LEN; ++j) {
+ real_map[j] = 0;
+ fake_map[j] = A_ALTCHARSET | j;
+ SP->_screen_acs_map[j] = FALSE;
+ }
+ } else {
+ for (j = 1; j < ACS_LEN; ++j) {
+ real_map[j] = 0;
+ }
+ }
+
+ /*
+ * Initializations for a UNIX-like multi-terminal environment. Use
+ * ASCII chars and count on the terminfo description to do better.
+ */
+ real_map['l'] = '+'; /* should be upper left corner */
+ real_map['m'] = '+'; /* should be lower left corner */
+ real_map['k'] = '+'; /* should be upper right corner */
+ real_map['j'] = '+'; /* should be lower right corner */
+ real_map['u'] = '+'; /* should be tee pointing left */
+ real_map['t'] = '+'; /* should be tee pointing right */
+ real_map['v'] = '+'; /* should be tee pointing up */
+ real_map['w'] = '+'; /* should be tee pointing down */
+ real_map['q'] = '-'; /* should be horizontal line */
+ real_map['x'] = '|'; /* should be vertical line */
+ real_map['n'] = '+'; /* should be large plus or crossover */
+ real_map['o'] = '~'; /* should be scan line 1 */
+ real_map['s'] = '_'; /* should be scan line 9 */
+ real_map['`'] = '+'; /* should be diamond */
+ real_map['a'] = ':'; /* should be checker board (stipple) */
+ real_map['f'] = '\''; /* should be degree symbol */
+ real_map['g'] = '#'; /* should be plus/minus */
+ real_map['~'] = 'o'; /* should be bullet */
+ real_map[','] = '<'; /* should be arrow pointing left */
+ real_map['+'] = '>'; /* should be arrow pointing right */
+ real_map['.'] = 'v'; /* should be arrow pointing down */
+ real_map['-'] = '^'; /* should be arrow pointing up */
+ real_map['h'] = '#'; /* should be board of squares */
+ real_map['i'] = '#'; /* should be lantern symbol */
+ real_map['0'] = '#'; /* should be solid square block */
+ /* these defaults were invented for ncurses */
+ real_map['p'] = '-'; /* should be scan line 3 */
+ real_map['r'] = '-'; /* should be scan line 7 */
+ real_map['y'] = '<'; /* should be less-than-or-equal-to */
+ real_map['z'] = '>'; /* should be greater-than-or-equal-to */
+ real_map['{'] = '*'; /* should be greek pi */
+ real_map['|'] = '!'; /* should be not-equal */
+ real_map['}'] = 'f'; /* should be pound-sterling symbol */
+
+ if (ena_acs != NULL) {
+ TPUTS_TRACE("ena_acs");
+ putp(ena_acs);
+ }
+#if NCURSES_EXT_FUNCS
+ /*
+ * Linux console "supports" the "PC ROM" character set by the coincidence
+ * that smpch/rmpch and smacs/rmacs have the same values. ncurses has
+ * no codepage support (see SCO Merge for an example). Outside of the
+ * values defined in acsc, there are no definitions for the "PC ROM"
+ * character set (assumed by some applications to be codepage 437), but we
+ * allow those applications to use those codepoints.
+ *
+ * test/blue.c uses this feature.
+ */
+#define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
+ if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
+ PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
+ size_t i;
+ for (i = 1; i < ACS_LEN; ++i) {
+ if (real_map[i] == 0) {
+ real_map[i] = i;
+ if (real_map != fake_map) {
+ if (SP != 0)
+ SP->_screen_acs_map[i] = TRUE;
+ }
+ }
+ }
+ }
+#endif
+
+ if (acs_chars != NULL) {
+ size_t i = 0;
+ size_t length = strlen(acs_chars);
+
+ while (i + 1 < length) {
+ if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
+ real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
+ if (SP != 0)
+ SP->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
+ }
+ i += 2;
+ }
+ }
+#ifdef TRACE
+ /* Show the equivalent mapping, noting if it does not match the
+ * given attribute, whether by re-ordering or duplication.
+ */
+ if (USE_TRACEF(TRACE_CALLS)) {
+ size_t n, m;
+ char show[ACS_LEN * 2 + 1];
+ for (n = 1, m = 0; n < ACS_LEN; n++) {
+ if (real_map[n] != 0) {
+ show[m++] = (char) n;
+ show[m++] = ChCharOf(real_map[n]);
+ }
+ }
+ show[m] = 0;
+ if (acs_chars == NULL || strcmp(acs_chars, show))
+ _tracef("%s acs_chars %s",
+ (acs_chars == NULL) ? "NULL" : "READ",
+ _nc_visbuf(acs_chars));
+ _tracef("%s acs_chars %s",
+ (acs_chars == NULL)
+ ? "NULL"
+ : (strcmp(acs_chars, show)
+ ? "DIFF"
+ : "SAME"),
+ _nc_visbuf(show));
+ _nc_unlock_global(tracef);
+ }
+#endif /* TRACE */
+}