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# $Id: MKkeyname.awk,v 1.48 2013/08/24 17:37:22 tom Exp $
##############################################################################
# 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"), #
# 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. #
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# 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 #
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##############################################################################
BEGIN {
print "/* generated by MKkeyname.awk */"
print ""
print "#include <curses.priv.h>"
print "#include <tic.h>"
print ""
first = 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 {
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 *)"
print "safe_keyname (SCREEN *sp, int c)"
print "{"
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 " if (MyTable != 0) {"
print " int m_prefix = (sp == 0 || sp->_use_meta);"
print ""
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 " /* 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 " _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 "NCURSES_EXPORT(NCURSES_CONST char *)"
print "keyname (int c)"
print "{"
print " return safe_keyname (CURRENT_SCREEN, c);"
print "}"
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 */"
}