ncurses/base/MKunctrl.awk

   1 # $Id: MKunctrl.awk,v 1.25 2009/04/18 23:43:49 tom Exp $
   2 ##############################################################################
   3 # Copyright (c) 1998-2008,2009 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 (1997-on)
  31 #
  32
  33 BEGIN   {
  34                 print "/* generated by MKunctrl.awk */"
  35                 print ""
  36                 print "#include <curses.priv.h>"
  37                 print "#include <ctype.h>"
  38                 print ""
  39                 print "#if USE_WIDEC_SUPPORT"
  40                 print "#if HAVE_WCTYPE_H"
  41                 print "#include <wctype.h>"
  42                 print "#endif"
  43                 print "#endif"
  44                 print ""
  45                 print "#undef unctrl"
  46                 print ""
  47         }
  48 END     {
  49                 print "NCURSES_EXPORT(NCURSES_CONST char *) safe_unctrl(SCREEN *sp, chtype ch)"
  50                 print "{"
  51                 blob=""
  52                 offset=0
  53                 if (bigstrings) {
  54                         printf "static const short unctrl_table[] = {"
  55                 } else {
  56                         printf "static const char* const unctrl_table[] = {"
  57                 }
  58                 for ( ch = 0; ch < 256; ch++ ) {
  59                         gap = ","
  60                         part=""
  61                         if ((ch % 8) == 0) {
  62                                 printf "\n    "
  63                                 if (ch != 0)
  64                                         blob = blob "\""
  65                                 blob = blob "\n    \""
  66                         }
  67                         if (bigstrings)
  68                                 printf "%4d%s", offset, gap;
  69                         if (ch < 32) {
  70                                 part = sprintf ("^\\%03o", ch + 64);
  71                                 offset = offset + 3;
  72                         } else if (ch == 127) {
  73                                 part = "^?";
  74                                 offset = offset + 3;
  75                         } else if (ch >= 128 && ch < 160) {
  76                                 part = sprintf("~\\%03o", ch - 64);
  77                                 offset = offset + 3;
  78                         } else if (ch == 255) {
  79                                 part = "~?";
  80                                 offset = offset + 3;
  81                         } else if (ch >= 160) {
  82                                 part = sprintf("M-\\%03o", ch - 128);
  83                                 offset = offset + 4;
  84                         } else {
  85                                 gap = gap " "
  86                                 part = sprintf("\\%03o", ch);
  87                                 offset = offset + 2;
  88                         }
  89                         if (ch == 255)
  90                                 gap = "\n"
  91                         else if (((ch + 1) % 8) != 0)
  92                                 gap = gap " "
  93                         if (bigstrings) {
  94                                 blob = blob part "\\0";
  95                         } else {
  96                                 printf "\"%s\"%s", part, gap
  97                         }
  98                 }
  99                 print "};"
 100                 blob = blob "\"";
 101
 102                 print ""
 103                 printf "#if NCURSES_EXT_FUNCS\n";
 104                 if (bigstrings) {
 105                         blob = blob "\n/* printable values in 128-255 range */"
 106                         printf "static const short unctrl_c1[] = {"
 107                 } else {
 108                         printf "static const char* const unctrl_c1[] = {"
 109                 }
 110                 for ( ch = 128; ch < 256; ch++ ) {
 111                         gap = ","
 112                         if ((ch % 8) == 0) {
 113                                 if (ch != 128)
 114                                         blob = blob "\""
 115                                 printf "\n    "
 116                                 blob = blob "\n    \""
 117                         }
 118                         if (bigstrings) {
 119                                 printf "%4d%s", offset, gap;
 120                                 part = sprintf("\\%03o\\0", ch);
 121                                 blob = blob part
 122                                 offset = offset + 2;
 123                                 if (((ch + 1) % 8) != 0)
 124                                         gap = gap " "
 125                         } else {
 126                                 if (ch >= 128) {
 127                                         printf "\"\\%03o\"", ch
 128                                         gap = gap " "
 129                                 }
 130                                 if (ch == 255)
 131                                         gap = "\n"
 132                                 else if (((ch + 1) % 8) != 0)
 133                                         gap = gap " "
 134                                 printf "%s", gap
 135                         }
 136                 }
 137                 print "};"
 138                 print "#endif /* NCURSES_EXT_FUNCS */"
 139                 blob = blob "\"\n"
 140
 141                 print ""
 142                 if (bigstrings) {
 143                         print "static const char unctrl_blob[] = "blob";"
 144                         print ""
 145                         stringname = "unctrl_blob + unctrl"
 146                 } else {
 147                         stringname = "unctrl"
 148                 }
 149                 print  "\tint check = ChCharOf(ch);"
 150                 print  "\tconst char *result;"
 151                 print  ""
 152                 print  "\tif (check >= 0 && check < (int)SIZEOF(unctrl_table)) {"
 153                 print  "#if NCURSES_EXT_FUNCS"
 154                 print  "\t\tif ((sp != 0)"
 155                 print  "\t\t && (sp->_legacy_coding > 1)"
 156                 print  "\t\t && (check >= 128)"
 157                 print  "\t\t && (check < 160))"
 158                 printf "\t\t\tresult = %s_c1[check - 128];\n", stringname;
 159                 print  "\t\telse"
 160                 print  "#if USE_WIDEC_SUPPORT"
 161                 print  "\t\tif ((check >= 160)"
 162                 print  "\t\t && (check < 256)"
 163                 print  "\t\t && ((sp != 0)"
 164                 print  "\t\t  && ((sp->_legacy_coding > 0)"
 165                 print  "\t\t   || (sp->_legacy_coding == 0"
 166                 print  "\t\t       && (isprint(check) || iswprint(check))))))"
 167                 printf "\t\t\tresult = %s_c1[check - 128];\n", stringname;
 168                 print  "\t\telse"
 169                 print  "#else"
 170                 print  "\t\tif ((check >= 160)"
 171                 print  "\t\t && (check < 256)"
 172                 print  "\t\t && ((sp != 0)"
 173                 print  "\t\t  && ((sp->_legacy_coding > 0)"
 174                 print  "\t\t   || (sp->_legacy_coding == 0"
 175                 print  "\t\t       && isprint(check)))))"
 176                 printf "\t\t\tresult = %s_c1[check - 128];\n", stringname;
 177                 print  "\t\telse"
 178                 print  "#endif /* USE_WIDEC_SUPPORT */"
 179                 print  "#endif /* NCURSES_EXT_FUNCS */"
 180                 printf "\t\t\tresult = %s_table[check];\n", stringname;
 181                 print  "\t} else {"
 182                 print  "\t\tresult = 0;"
 183                 print  "\t}"
 184                 print  "\treturn (NCURSES_CONST char *)result;"
 185                 print  "}"
 186                 print  ""
 187                 print  "NCURSES_EXPORT(NCURSES_CONST char *) unctrl (chtype ch)"
 188                 print  "{"
 189                 print  "\treturn safe_unctrl(CURRENT_SCREEN, ch);"
 190                 print  "}"
 191         }