1 # $Id: MKkeyname.awk,v 1.49 2016/05/28 23:11:26 tom Exp $
2 ##############################################################################
3 # Copyright (c) 1999-2013,2016 Free Software Foundation, Inc. #
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: #
13 # The above copyright notice and this permission notice shall be included in #
14 # all copies or substantial portions of the Software. #
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. #
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 #
28 ##############################################################################
30 print "/* generated by MKkeyname.awk */"
32 print "#include <curses.priv.h>"
33 print "#include <tic.h>"
41 print "struct kn { short offset; int code; };"
42 print "static const struct kn _nc_key_names[] = {"
44 printf "\t{ %d, %s },\n", offset, $1
45 offset += length($1) + 1
46 names = names"\n\t\""$1"\\0\""
49 print "struct kn { const char *name; int code; };"
50 print "static const struct kn _nc_key_names[] = {"
52 printf "\t{ \"%s\", %s },\n", $1, $1;
59 printf "\t{ -1, 0 }};\n"
61 print "static const char key_names[] = "names";"
63 printf "\t{ 0, 0 }};\n"
66 print "#define SIZEOF_TABLE 256"
67 print "#define MyTable _nc_globals.keyname_table"
68 print "#define MyInit _nc_globals.init_keyname"
70 print "NCURSES_EXPORT(NCURSES_CONST char *)"
71 print "safe_keyname (SCREEN *sp, int c)"
73 print " char name[20];"
74 print " NCURSES_CONST char *result = 0;"
76 print " if (c == -1) {"
77 print " result = \"-1\";"
81 print " for (i = 0; _nc_key_names[i].offset != -1; i++) {"
82 print " if (_nc_key_names[i].code == c) {"
83 print " result = (NCURSES_CONST char *)key_names + _nc_key_names[i].offset;"
88 print " for (i = 0; _nc_key_names[i].name != 0; i++) {"
89 print " if (_nc_key_names[i].code == c) {"
90 print " result = (NCURSES_CONST char *)_nc_key_names[i].name;"
96 print " if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {"
97 print " if (MyTable == 0)"
98 print " MyTable = typeCalloc(char *, SIZEOF_TABLE);"
100 print " if (MyTable != 0) {"
101 print " int m_prefix = (sp == 0 || sp->_use_meta);"
103 print " /* if sense of meta() changed, discard cached data */"
104 print " if (MyInit != (m_prefix + 1)) {"
105 print " MyInit = m_prefix + 1;"
106 print " for (i = 0; i < SIZEOF_TABLE; ++i) {"
107 print " if (MyTable[i]) {"
108 print " FreeAndNull(MyTable[i]);"
113 print " /* create and cache result as needed */"
114 print " if (MyTable[c] == 0) {"
116 print " char *p = name;"
117 print "#define P_LIMIT (sizeof(name) - (size_t) (p - name))"
118 print " if (cc >= 128 && m_prefix) {"
119 print " _nc_STRCPY(p, \"M-\", P_LIMIT);"
123 print " if (cc < 32)"
124 print " _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"^%c\", cc + '@');"
125 print " else if (cc == 127)"
126 print " _nc_STRCPY(p, \"^?\", P_LIMIT);"
128 print " _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"%c\", cc);"
129 print " MyTable[c] = strdup(name);"
131 print " result = MyTable[c];"
133 print "#if NCURSES_EXT_FUNCS && NCURSES_XNAMES"
134 print " } else if (result == 0 && HasTerminal(sp)) {"
136 print " char * bound;"
137 print " TERMTYPE *tp = &(TerminalOf(sp)->type);"
138 print " unsigned save_trace = _nc_tracing;"
140 print " _nc_tracing = 0; /* prevent recursion via keybound() */"
141 print " for (j = 0; (bound = NCURSES_SP_NAME(keybound)(NCURSES_SP_ARGx c, j)) != 0; ++j) {"
142 print " for(k = STRCOUNT; k < (int) NUM_STRINGS(tp); k++) {"
143 print " if (tp->Strings[k] != 0 && !strcmp(bound, tp->Strings[k])) {"
144 print " result = ExtStrname(tp, k, strnames);"
148 print " free(bound);"
149 print " if (result != 0)"
152 print " _nc_tracing = save_trace;"
156 print " return result;"
159 print "NCURSES_EXPORT(NCURSES_CONST char *)"
160 print "keyname (int c)"
162 print " return safe_keyname (CURRENT_SCREEN, c);"
166 print "void _nc_keyname_leaks(void)"
168 print " if (MyTable != 0) {"
170 print " for (j = 0; j < SIZEOF_TABLE; ++j) {"
171 print " FreeIfNeeded(MyTable[j]);"
173 print " FreeAndNull(MyTable);"
176 print "#endif /* NO_LEAKS */"