ncurses/base/MKunctrl.awk

   1 # $Id: MKunctrl.awk,v 1.14 2007/07/28 21:13:21 tom Exp $
   2 ##############################################################################
   3 # Copyright (c) 1998-2006,2007 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 ##############################################################################
  29 #
  30 # Author: Thomas E. Dickey <dickey@clark.net> 1997
  31 #
  32
  33 BEGIN   {
  34                 print "/* generated by MKunctrl.awk */"
  35                 print ""
  36                 print "#include <curses.priv.h>"
  37                 print ""
  38                 print "#undef unctrl"
  39                 print ""
  40         }
  41 END     {
  42                 print "NCURSES_EXPORT(NCURSES_CONST char *) unctrl (register chtype ch)"
  43                 print "{"
  44
  45                 blob=""
  46                 offset=0
  47                 if (bigstrings) {
  48                         printf "static const short unctrl_table[] = {"
  49                 } else {
  50                         printf "static const char* const unctrl_table[] = {"
  51                 }
  52                 for ( ch = 0; ch < 256; ch++ ) {
  53                         gap = ","
  54                         part=""
  55                         if ((ch % 8) == 0) {
  56                                 printf "\n    "
  57                                 if (ch != 0)
  58                                         blob = blob "\""
  59                                 blob = blob "\n    \""
  60                         }
  61                         if (bigstrings)
  62                                 printf "%4d%s", offset, gap;
  63                         if (ch < 32) {
  64                                 part = sprintf ("^\\%03o", ch + 64);
  65                                 offset = offset + 3;
  66                         } else if (ch == 127) {
  67                                 part = "^?";
  68                                 offset = offset + 3;
  69                         } else if (ch >= 128 && ch < 160) {
  70                                 part = sprintf("~\\%03o", ch - 64);
  71                                 offset = offset + 3;
  72                         } else {
  73                                 gap = gap " "
  74                                 part = sprintf("\\%03o", ch);
  75                                 offset = offset + 2;
  76                         }
  77                         if (ch == 255)
  78                                 gap = "\n"
  79                         else if (((ch + 1) % 8) != 0)
  80                                 gap = gap " "
  81                         if (bigstrings) {
  82                                 blob = blob part "\\0";
  83                         } else {
  84                                 printf "\"%s\"%s", part, gap
  85                         }
  86                 }
  87                 print "};"
  88                 blob = blob "\"";
  89
  90                 print ""
  91                 print "#if NCURSES_EXT_FUNCS"
  92                 if (bigstrings) {
  93                         blob = blob "\n#if NCURSES_EXT_FUNCS"
  94                         printf "static const short unctrl_c1[] = {"
  95                 } else {
  96                         printf "static const char* const unctrl_c1[] = {"
  97                 }
  98                 for ( ch = 128; ch < 160; ch++ ) {
  99                         gap = ","
 100                         if ((ch % 8) == 0) {
 101                                 if (ch != 128)
 102                                         blob = blob "\""
 103                                 printf "\n    "
 104                                 blob = blob "\n    \""
 105                         }
 106                         if (bigstrings) {
 107                                 printf "%4d%s", offset, gap;
 108                                 part = sprintf("\\%03o\\0", ch);
 109                                 blob = blob part
 110                                 offset = offset + 2;
 111                                 if (((ch + 1) % 8) != 0)
 112                                         gap = gap " "
 113                         } else {
 114                                 if (ch >= 128 && ch < 160) {
 115                                         printf "\"\\%03o\"", ch
 116                                         gap = gap " "
 117                                 }
 118                                 if (ch == 255)
 119                                         gap = "\n"
 120                                 else if (((ch + 1) % 8) != 0)
 121                                         gap = gap " "
 122                                 printf "%s", gap
 123                         }
 124                 }
 125                 print "};"
 126                 print "#endif /* NCURSES_EXT_FUNCS */"
 127                 blob = blob "\"\n#endif /* NCURSES_EXT_FUNCS */\n"
 128
 129                 print ""
 130                 if (bigstrings) {
 131                         print "static const char unctrl_blob[] = "blob";"
 132                         print ""
 133                         stringname = "unctrl_blob + unctrl"
 134                 } else {
 135                         stringname = "unctrl"
 136                 }
 137                 print "\tint check = ChCharOf(ch);"
 138                 print "\tconst char *result;"
 139                 print ""
 140                 print "\tif (check >= 0 && check < (int)SIZEOF(unctrl_table)) {"
 141                 print "#if NCURSES_EXT_FUNCS"
 142                 print "\t\tif ((SP != 0)"
 143                 print "\t\t && (SP->_legacy_coding > 1)"
 144                 print "\t\t && (check >= 128)"
 145                 print "\t\t && (check < 160))"
 146                 printf "\t\t\tresult = %s_c1[check - 128];\n", stringname;
 147                 print "\t\telse"
 148                 print "#endif /* NCURSES_EXT_FUNCS */"
 149                 printf "\t\t\tresult = %s_table[check];\n", stringname;
 150                 print "\t} else {"
 151                 print "\t\tresult = 0;"
 152                 print "\t}"
 153                 print "\treturn (NCURSES_CONST char *)result;"
 154                 print "}"
 155         }