1 # $Id: MKkeyname.awk,v 1.51 2020/02/02 23:34:34 tom Exp $
2 ##############################################################################
3 # Copyright 2020 Thomas E. Dickey #
4 # Copyright 1998-2016,2017 Free Software Foundation, Inc. #
6 # Permission is hereby granted, free of charge, to any person obtaining a #
7 # copy of this software and associated documentation files (the "Software"), #
8 # to deal in the Software without restriction, including without limitation #
9 # the rights to use, copy, modify, merge, publish, distribute, distribute #
10 # with modifications, sublicense, and/or sell copies of the Software, and to #
11 # permit persons to whom the Software is furnished to do so, subject to the #
12 # following conditions: #
14 # The above copyright notice and this permission notice shall be included in #
15 # all copies or substantial portions of the Software. #
17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL #
20 # THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING #
22 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER #
23 # DEALINGS IN THE SOFTWARE. #
25 # Except as contained in this notice, the name(s) of the above copyright #
26 # holders shall not be used in advertising or otherwise to promote the sale, #
27 # use or other dealings in this Software without prior written #
29 ##############################################################################
31 print "/* generated by MKkeyname.awk */"
33 print "#include <curses.priv.h>"
34 print "#include <tic.h>"
42 print "struct kn { short offset; int code; };"
43 print "static const struct kn _nc_key_names[] = {"
45 printf "\t{ %d, %s },\n", offset, $1
46 offset += length($1) + 1
47 names = names"\n\t\""$1"\\0\""
50 print "struct kn { const char *name; int code; };"
51 print "static const struct kn _nc_key_names[] = {"
53 printf "\t{ \"%s\", %s },\n", $1, $1;
60 printf "\t{ -1, 0 }};\n"
62 print "static const char key_names[] = "names";"
64 printf "\t{ 0, 0 }};\n"
67 print "#define SIZEOF_TABLE 256"
68 print "#define MyTable _nc_globals.keyname_table"
69 print "#define MyInit _nc_globals.init_keyname"
71 print "NCURSES_EXPORT(NCURSES_CONST char *)"
72 print "safe_keyname (SCREEN *sp, int c)"
74 print " char name[20];"
75 print " NCURSES_CONST char *result = 0;"
77 print " if (c == -1) {"
78 print " result = \"-1\";"
82 print " for (i = 0; _nc_key_names[i].offset != -1; i++) {"
83 print " if (_nc_key_names[i].code == c) {"
84 print " result = (NCURSES_CONST char *)key_names + _nc_key_names[i].offset;"
89 print " for (i = 0; _nc_key_names[i].name != 0; i++) {"
90 print " if (_nc_key_names[i].code == c) {"
91 print " result = (NCURSES_CONST char *)_nc_key_names[i].name;"
97 print " if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {"
98 print " if (MyTable == 0)"
99 print " MyTable = typeCalloc(char *, SIZEOF_TABLE);"
101 print " if (MyTable != 0) {"
102 print " int m_prefix = (sp == 0 || sp->_use_meta);"
104 print " /* if sense of meta() changed, discard cached data */"
105 print " if (MyInit != (m_prefix + 1)) {"
106 print " MyInit = m_prefix + 1;"
107 print " for (i = 0; i < SIZEOF_TABLE; ++i) {"
108 print " if (MyTable[i]) {"
109 print " FreeAndNull(MyTable[i]);"
114 print " /* create and cache result as needed */"
115 print " if (MyTable[c] == 0) {"
117 print " char *p = name;"
118 print "#define P_LIMIT (sizeof(name) - (size_t) (p - name))"
119 print " if (cc >= 128 && m_prefix) {"
120 print " _nc_STRCPY(p, \"M-\", P_LIMIT);"
124 print " if (cc < 32)"
125 print " _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"^%c\", cc + '@');"
126 print " else if (cc == 127)"
127 print " _nc_STRCPY(p, \"^?\", P_LIMIT);"
129 print " _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"%c\", cc);"
130 print " MyTable[c] = strdup(name);"
132 print " result = MyTable[c];"
134 print "#if NCURSES_EXT_FUNCS && NCURSES_XNAMES"
135 print " } else if (result == 0 && HasTerminal(sp)) {"
137 print " char * bound;"
138 print " TERMTYPE2 *tp = &TerminalType(TerminalOf(sp));"
139 print " unsigned save_trace = _nc_tracing;"
141 print " _nc_tracing = 0; /* prevent recursion via keybound() */"
142 print " for (j = 0; (bound = NCURSES_SP_NAME(keybound)(NCURSES_SP_ARGx c, j)) != 0; ++j) {"
143 print " for(k = STRCOUNT; k < (int) NUM_STRINGS(tp); k++) {"
144 print " if (tp->Strings[k] != 0 && !strcmp(bound, tp->Strings[k])) {"
145 print " result = ExtStrname(tp, k, strnames);"
149 print " free(bound);"
150 print " if (result != 0)"
153 print " _nc_tracing = save_trace;"
157 print " return result;"
160 print "NCURSES_EXPORT(NCURSES_CONST char *)"
161 print "keyname (int c)"
163 print " return safe_keyname (CURRENT_SCREEN, c);"
167 print "void _nc_keyname_leaks(void)"
169 print " if (MyTable != 0) {"
171 print " for (j = 0; j < SIZEOF_TABLE; ++j) {"
172 print " FreeIfNeeded(MyTable[j]);"
174 print " FreeAndNull(MyTable);"
177 print "#endif /* NO_LEAKS */"