MKkeyname.awk revision 166124 
1# $Id: MKkeyname.awk,v 1.30 2006/05/20 17:35:30 tom Exp $
2##############################################################################
3# Copyright (c) 1999-2005,2006 Free Software Foundation, Inc.                #
4#                                                                            #
5# Permission is hereby granted, free of charge, to any person obtaining a    #
6# copy of this software and associated documentation files (the "Software"), #
7# to deal in the Software without restriction, including without limitation  #
8# the rights to use, copy, modify, merge, publish, distribute, distribute    #
9# with modifications, sublicense, and/or sell copies of the Software, and to #
10# permit persons to whom the Software is furnished to do so, subject to the  #
11# following conditions:                                                      #
12#                                                                            #
13# The above copyright notice and this permission notice shall be included in #
14# all copies or substantial portions of the Software.                        #
15#                                                                            #
16# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
17# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
18# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
19# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
20# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
21# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
22# DEALINGS IN THE SOFTWARE.                                                  #
23#                                                                            #
24# Except as contained in this notice, the name(s) of the above copyright     #
25# holders shall not be used in advertising or otherwise to promote the sale, #
26# use or other dealings in this Software without prior written               #
27# authorization.                                                             #
28##############################################################################
29BEGIN {
30	print "/* generated by MKkeyname.awk */"
31	print ""
32	print "#include <curses.priv.h>"
33	print "#include <tic.h>"
34	print "#include <term_entry.h>"
35	print ""
36	print "const struct kn _nc_key_names[] = {"
37}
38
39/^[^#]/ {
40	printf "\t{ \"%s\", %s },\n", $1, $1;
41	}
42
43END {
44	printf "\t{ 0, 0 }};\n"
45	print ""
46	print "#define SIZEOF_TABLE 256"
47	print "static char **keyname_table;"
48	print ""
49	print "NCURSES_EXPORT(NCURSES_CONST char *) keyname (int c)"
50	print "{"
51	print "	int i;"
52	print "	char name[20];"
53	print "	char *p;"
54	print "	NCURSES_CONST char *result = 0;"
55	print ""
56	print "	if (c == -1) {"
57	print "		result = \"-1\";"
58	print "	} else {"
59	print "		for (i = 0; _nc_key_names[i].name != 0; i++) {"
60	print "			if (_nc_key_names[i].code == c) {"
61	print "				result = (NCURSES_CONST char *)_nc_key_names[i].name;"
62	print "				break;"
63	print "			}"
64	print "		}"
65	print ""
66	print "		if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {"
67	print "			if (keyname_table == 0)"
68	print "				keyname_table = typeCalloc(char *, SIZEOF_TABLE);"
69	print "			if (keyname_table != 0) {"
70	print "				if (keyname_table[c] == 0) {"
71	print "					int cc = c;"
72	print "					p = name;"
73	print "					if (cc >= 128) {"
74	print "						strcpy(p, \"M-\");"
75	print "						p += 2;"
76	print "						cc -= 128;"
77	print "					}"
78	print "					if (cc < 32)"
79	print "						sprintf(p, \"^%c\", cc + '@');"
80	print "					else if (cc == 127)"
81	print "						strcpy(p, \"^?\");"
82	print "					else"
83	print "						sprintf(p, \"%c\", cc);"
84	print "					keyname_table[c] = strdup(name);"
85	print "				}"
86	print "				result = keyname_table[c];"
87	print "			}"
88	print "#if NCURSES_EXT_FUNCS && NCURSES_XNAMES"
89	print "		} else if (result == 0 && cur_term != 0) {"
90	print "			int j, k;"
91	print "			char * bound;"
92	print "			TERMTYPE *tp = &(cur_term->type);"
93	print "			int save_trace = _nc_tracing;"
94	print ""
95	print "			_nc_tracing = 0;	/* prevent recursion via keybound() */"
96	print "			for (j = 0; (bound = keybound(c, j)) != 0; ++j) {"
97	print "				for(k = STRCOUNT; k < NUM_STRINGS(tp);  k++) {"
98	print "					if (tp->Strings[k] != 0 && !strcmp(bound, tp->Strings[k])) {"
99	print "						result = ExtStrname(tp, k, strnames);"
100	print "						break;"
101	print "					}"
102	print "				}"
103	print "				free(bound);"
104	print "				if (result != 0)"
105	print "					break;"
106	print "			}"
107	print "			_nc_tracing = save_trace;"
108	print "#endif"
109	print "		}"
110	print "	}"
111	print "	return result;"
112	print "}"
113	print ""
114	print "#if USE_WIDEC_SUPPORT"
115	print "NCURSES_EXPORT(NCURSES_CONST char *) key_name (wchar_t c)"
116	print "{"
117	print "	NCURSES_CONST char *result = keyname((int)c);"
118	print "	if (!strncmp(result, \"M-\", 2)) result = 0;"
119	print "	return result;"
120	print "}"
121	print "#endif"
122	print ""
123	print "#if NO_LEAKS"
124	print "void _nc_keyname_leaks(void)"
125	print "{"
126	print "	int j;"
127	print "	if (keyname_table != 0) {"
128	print "		for (j = 0; j < SIZEOF_TABLE; ++j) {"
129	print "			FreeIfNeeded(keyname_table[j]);"
130	print "		}"
131	print "		FreeAndNull(keyname_table);"
132	print "	}"
133	print "}"
134	print "#endif /* NO_LEAKS */"
135}
136