ncurses/base/MKunctrl.awk

   1 # $Id: MKunctrl.awk,v 1.11 2005/12/17 22:48:37 tom Exp $
   2 ##############################################################################
   3 # Copyright (c) 1998-2004,2005 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                 printf "static const char* const table[] = {"
  46                 for ( ch = 0; ch < 256; ch++ ) {
  47                         gap = ","
  48                         if ((ch % 8) == 0)
  49                                 printf "\n    "
  50                         if (ch < 32) {
  51                                 printf "\"^\\%03o\"", ch + 64
  52                         } else if (ch == 127) {
  53                                 printf "\"^?\""
  54                         } else if (ch >= 128 && ch < 160) {
  55                                 printf "\"~\\%03o\"", ch - 64
  56                         } else {
  57                                 printf "\"\\%03o\"", ch
  58                                 gap = gap " "
  59                         }
  60                         if (ch == 255)
  61                                 gap = "\n"
  62                         else if (((ch + 1) % 8) != 0)
  63                                 gap = gap " "
  64                         printf "%s", gap
  65                 }
  66                 print "};"
  67
  68                 print ""
  69                 print "#if NCURSES_EXT_FUNCS"
  70                 printf "static const char* const table2[] = {"
  71                 for ( ch = 128; ch < 160; ch++ ) {
  72                         gap = ","
  73                         if ((ch % 8) == 0)
  74                                 printf "\n    "
  75                         if (ch >= 128 && ch < 160) {
  76                                 printf "\"\\%03o\"", ch
  77                                 gap = gap " "
  78                         }
  79                         if (ch == 255)
  80                                 gap = "\n"
  81                         else if (((ch + 1) % 8) != 0)
  82                                 gap = gap " "
  83                         printf "%s", gap
  84                 }
  85                 print "};"
  86                 print "#endif /* NCURSES_EXT_FUNCS */"
  87
  88                 print ""
  89                 print "\tint check = ChCharOf(ch);"
  90                 print "\tconst char *result;"
  91                 print ""
  92                 print "\tif (check >= 0 && check < (int)SIZEOF(table)) {"
  93                 print "#if NCURSES_EXT_FUNCS"
  94                 print "\t\tif ((SP != 0)"
  95                 print "\t\t && (SP->_legacy_coding > 1)"
  96                 print "\t\t && (check >= 128)"
  97                 print "\t\t && (check < 160))"
  98                 print "\t\t\tresult = table2[check - 128];"
  99                 print "\t\telse"
 100                 print "#endif /* NCURSES_EXT_FUNCS */"
 101                 print "\t\t\tresult = table[check];"
 102                 print "\t} else {"
 103                 print "\t\tresult = 0;"
 104                 print "\t}"
 105                 print "\treturn (NCURSES_CONST char *)result;"
 106                 print "}"
 107         }