| # $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. # |
| # # |
| # 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. # |
| ############################################################################## |
| 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 */" |
| } |