1# $Id: MKkeyname.awk,v 1.45 2010/12/19 01:36:14 tom Exp $ 2############################################################################## 3# Copyright (c) 1999-2009,2010 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 "" 35 first = 1; 36} 37 38/^[^#]/ { 39 if (bigstrings) { 40 if (first) { 41 print "struct kn { short offset; int code; };" 42 print "static const struct kn _nc_key_names[] = {" 43 } 44 printf "\t{ %d, %s },\n", offset, $1 45 offset += length($1) + 1 46 names = names"\n\t\""$1"\\0\"" 47 } else { 48 if (first) { 49 print "struct kn { const char *name; int code; };" 50 print "static const struct kn _nc_key_names[] = {" 51 } 52 printf "\t{ \"%s\", %s },\n", $1, $1; 53 } 54 first = 0; 55 } 56 57END { 58 if (bigstrings) { 59 printf "\t{ -1, 0 }};\n" 60 print "" 61 print "static const char key_names[] = "names";" 62 } else { 63 printf "\t{ 0, 0 }};\n" 64 } 65 print "" 66 print "#define SIZEOF_TABLE 256" 67 print "#define MyTable _nc_globals.keyname_table" 68 print "" 69 print "NCURSES_EXPORT(NCURSES_CONST char *)" 70 print "safe_keyname (SCREEN *sp, int c)" 71 print "{" 72 print " int i;" 73 print " char name[20];" 74 print " char *p;" 75 print " NCURSES_CONST char *result = 0;" 76 print "" 77 print " if (c == -1) {" 78 print " result = \"-1\";" 79 print " } else {" 80 if (bigstrings) { 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;" 84 print " break;" 85 print " }" 86 print " }" 87 } else { 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;" 91 print " break;" 92 print " }" 93 print " }" 94 } 95 print "" 96 print " if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {" 97 print " if (MyTable == 0)" 98 print " MyTable = typeCalloc(char *, SIZEOF_TABLE);" 99 print " if (MyTable != 0) {" 100 print " if (MyTable[c] == 0) {" 101 print " int cc = c;" 102 print " p = name;" 103 print " if (cc >= 128 && (sp == 0 || sp->_use_meta)) {" 104 print " strcpy(p, \"M-\");" 105 print " p += 2;" 106 print " cc -= 128;" 107 print " }" 108 print " if (cc < 32)" 109 print " sprintf(p, \"^%c\", cc + '@');" 110 print " else if (cc == 127)" 111 print " strcpy(p, \"^?\");" 112 print " else" 113 print " sprintf(p, \"%c\", cc);" 114 print " MyTable[c] = strdup(name);" 115 print " }" 116 print " result = MyTable[c];" 117 print " }" 118 print "#if NCURSES_EXT_FUNCS && NCURSES_XNAMES" 119 print " } else if (result == 0 && HasTerminal(sp)) {" 120 print " int j, k;" 121 print " char * bound;" 122 print " TERMTYPE *tp = &(TerminalOf(sp)->type);" 123 print " unsigned save_trace = _nc_tracing;" 124 print "" 125 print " _nc_tracing = 0; /* prevent recursion via keybound() */" 126 print " for (j = 0; (bound = NCURSES_SP_NAME(keybound)(NCURSES_SP_ARGx c, j)) != 0; ++j) {" 127 print " for(k = STRCOUNT; k < (int) NUM_STRINGS(tp); k++) {" 128 print " if (tp->Strings[k] != 0 && !strcmp(bound, tp->Strings[k])) {" 129 print " result = ExtStrname(tp, k, strnames);" 130 print " break;" 131 print " }" 132 print " }" 133 print " free(bound);" 134 print " if (result != 0)" 135 print " break;" 136 print " }" 137 print " _nc_tracing = save_trace;" 138 print "#endif" 139 print " }" 140 print " }" 141 print " return result;" 142 print "}" 143 print "" 144 print "NCURSES_EXPORT(NCURSES_CONST char *)" 145 print "keyname (int c)" 146 print "{" 147 print " return safe_keyname (CURRENT_SCREEN, c);" 148 print "}" 149 print "" 150 print "#if NO_LEAKS" 151 print "void _nc_keyname_leaks(void)" 152 print "{" 153 print " int j;" 154 print " if (MyTable != 0) {" 155 print " for (j = 0; j < SIZEOF_TABLE; ++j) {" 156 print " FreeIfNeeded(MyTable[j]);" 157 print " }" 158 print " FreeAndNull(MyTable);" 159 print " }" 160 print "}" 161 print "#endif /* NO_LEAKS */" 162} 163