-# $Id: MKkeyname.awk,v 1.24 2002/09/01 19:43:34 tom Exp $
+# $Id: MKkeyname.awk,v 1.48 2013/08/24 17:37:22 tom Exp $
##############################################################################
-# Copyright (c) 1999-2001,2002 Free Software Foundation, Inc. #
+# Copyright (c) 1999-2012,2013 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"), #
print "#include <curses.priv.h>"
print "#include <tic.h>"
print ""
- print "const struct kn _nc_key_names[] = {"
+ first = 1;
}
/^[^#]/ {
- printf "\t{ \"%s\", %s },\n", $1, $1;
+ if (bigstrings) {
+ if (first) {
+ print "struct kn { short offset; int code; };"
+ print "static const struct kn _nc_key_names[] = {"
+ }
+ printf "\t{ %d, %s },\n", offset, $1
+ offset += length($1) + 1
+ names = names"\n\t\""$1"\\0\""
+ } else {
+ if (first) {
+ print "struct kn { const char *name; int code; };"
+ print "static const struct kn _nc_key_names[] = {"
+ }
+ printf "\t{ \"%s\", %s },\n", $1, $1;
+ }
+ first = 0;
}
END {
- printf "\t{ 0, 0 }};\n"
+ if (bigstrings) {
+ printf "\t{ -1, 0 }};\n"
+ print ""
+ print "static const char key_names[] = "names";"
+ } else {
+ printf "\t{ 0, 0 }};\n"
+ }
+ print ""
+ print "#define SIZEOF_TABLE 256"
+ print "#define MyTable _nc_globals.keyname_table"
+ print "#define MyInit _nc_globals.init_keyname"
print ""
- print "NCURSES_EXPORT(NCURSES_CONST char *) keyname (int c)"
+ print "NCURSES_EXPORT(NCURSES_CONST char *)"
+ print "safe_keyname (SCREEN *sp, int c)"
print "{"
- print "static char **table;"
- print "int i;"
- print "char name[20];"
- print "char *p;"
+ print " int i;"
+ print " char name[20];"
+ print " char *p;"
+ print " NCURSES_CONST char *result = 0;"
+ print ""
+ print " if (c == -1) {"
+ print " result = \"-1\";"
+ print " } else {"
+ if (bigstrings) {
+ print " for (i = 0; _nc_key_names[i].offset != -1; i++) {"
+ print " if (_nc_key_names[i].code == c) {"
+ print " result = (NCURSES_CONST char *)key_names + _nc_key_names[i].offset;"
+ print " break;"
+ print " }"
+ print " }"
+ } else {
+ print " for (i = 0; _nc_key_names[i].name != 0; i++) {"
+ print " if (_nc_key_names[i].code == c) {"
+ print " result = (NCURSES_CONST char *)_nc_key_names[i].name;"
+ print " break;"
+ print " }"
+ print " }"
+ }
+ print ""
+ print " if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {"
+ print " if (MyTable == 0)"
+ print " MyTable = typeCalloc(char *, SIZEOF_TABLE);"
print ""
- print "\tif (c == -1) return \"-1\";"
+ print " if (MyTable != 0) {"
+ print " int m_prefix = (sp == 0 || sp->_use_meta);"
print ""
- print "\tfor (i = 0; _nc_key_names[i].name != 0; i++)"
- print "\t\tif (_nc_key_names[i].code == c)"
- print "\t\t\treturn (NCURSES_CONST char *)_nc_key_names[i].name;"
- print "\tif (c < 0 || c >= 256) return 0;"
+ print " /* if sense of meta() changed, discard cached data */"
+ print " if (MyInit != (m_prefix + 1)) {"
+ print " MyInit = m_prefix + 1;"
+ print " for (i = 0; i < SIZEOF_TABLE; ++i) {"
+ print " if (MyTable[i]) {"
+ print " FreeAndNull(MyTable[i]);"
+ print " }"
+ print " }"
+ print " }"
print ""
- print "\tif (table == 0)"
- print "\t\ttable = typeCalloc(char *, 256);"
- print "\tif (table == 0)"
- print "\t\treturn keyname(256);"
+ print " /* create and cache result as needed */"
+ print " if (MyTable[c] == 0) {"
+ print " int cc = c;"
+ print " p = name;"
+ print "#define P_LIMIT (sizeof(name) - (size_t) (p - name))"
+ print " if (cc >= 128 && m_prefix) {"
+ print " _nc_STRCPY(p, \"M-\", P_LIMIT);"
+ print " p += 2;"
+ print " cc -= 128;"
+ print " }"
+ print " if (cc < 32)"
+ print " _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"^%c\", cc + '@');"
+ print " else if (cc == 127)"
+ print " _nc_STRCPY(p, \"^?\", P_LIMIT);"
+ print " else"
+ print " _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"%c\", cc);"
+ print " MyTable[c] = strdup(name);"
+ print " }"
+ print " result = MyTable[c];"
+ print " }"
+ print "#if NCURSES_EXT_FUNCS && NCURSES_XNAMES"
+ print " } else if (result == 0 && HasTerminal(sp)) {"
+ print " int j, k;"
+ print " char * bound;"
+ print " TERMTYPE *tp = &(TerminalOf(sp)->type);"
+ print " unsigned save_trace = _nc_tracing;"
print ""
- print "\tif (table[c] == 0) {"
- print "\t\tp = name;"
- print "\t\tif (c >= 128) {"
- print "\t\t\tstrcpy(p, \"M-\");"
- print "\t\t\tp += 2;"
- print "\t\t\tc -= 128;"
- print "\t\t}"
- print "\t\tif (c < 32)"
- print "\t\t\tsprintf(p, \"^%c\", c + '@');"
- print "\t\telse if (c == 127)"
- print "\t\t\tstrcpy(p, \"^?\");"
- print "\t\telse"
- print "\t\t\tsprintf(p, \"%c\", c);"
- print "\t\ttable[c] = strdup(name);"
- print "\t}"
- print "\treturn (NCURSES_CONST char *)table[c];"
+ print " _nc_tracing = 0; /* prevent recursion via keybound() */"
+ print " for (j = 0; (bound = NCURSES_SP_NAME(keybound)(NCURSES_SP_ARGx c, j)) != 0; ++j) {"
+ print " for(k = STRCOUNT; k < (int) NUM_STRINGS(tp); k++) {"
+ print " if (tp->Strings[k] != 0 && !strcmp(bound, tp->Strings[k])) {"
+ print " result = ExtStrname(tp, k, strnames);"
+ print " break;"
+ print " }"
+ print " }"
+ print " free(bound);"
+ print " if (result != 0)"
+ print " break;"
+ print " }"
+ print " _nc_tracing = save_trace;"
+ print "#endif"
+ print " }"
+ print " }"
+ print " return result;"
print "}"
print ""
- print "#if USE_WIDEC_SUPPORT"
- print "NCURSES_EXPORT(NCURSES_CONST char *) key_name (wchar_t c)"
+ print "NCURSES_EXPORT(NCURSES_CONST char *)"
+ print "keyname (int c)"
print "{"
- print "\tNCURSES_CONST char *result = keyname((int)c);"
- print "\tif (!strncmp(result, \"M-\", 2)) result = 0;"
- print "\treturn result;"
+ print " return safe_keyname (CURRENT_SCREEN, c);"
print "}"
- print "#endif"
+ print ""
+ print "#if NO_LEAKS"
+ print "void _nc_keyname_leaks(void)"
+ print "{"
+ print " int j;"
+ print " if (MyTable != 0) {"
+ print " for (j = 0; j < SIZEOF_TABLE; ++j) {"
+ print " FreeIfNeeded(MyTable[j]);"
+ print " }"
+ print " FreeAndNull(MyTable);"
+ print " }"
+ print "}"
+ print "#endif /* NO_LEAKS */"
}