Unicode/gen-cp

   1 #!/bin/sh
   2
   3 echo
   4 echo Generating code page translation tables.
   5
   6 codepages=`cat index.txt`
   7
   8 if [ -n "$codepages" ]; then
   9
  10 (
  11
  12 n=0
  13
  14 echo '/* Automatically generated by gen-cp */'
  15 echo '/* DO NOT EDIT THIS FILE! EDIT Unicode/<whatever> INSTEAD! */'
  16 echo
  17
  18 for i in $codepages; do
  19         echo -n $i' ' 1>&2
  20         echo
  21
  22         echo
  23         echo "/*** $i ***/"
  24         echo
  25
  26         sed '1,2d
  27                 /^[      ]*\(#.*\)\{,1\}$/d
  28                 h
  29                 s/^[^#]*//
  30                 s!#[     ]*\(.*\)!/* \1 */!
  31                 x
  32                 s/#.*//
  33                 y/Xabcdef/xABCDEF/
  34                 /^0x[01234567]/d
  35                 /[^0x0123456789ABCDEF    ]/d
  36                 G
  37                 s/\n//' "$i.cp" | {
  38                 for left in 8 9 A B C D E F; do
  39                         for right in 0 1 2 3 4 5 6 7 8 9 A B C D E F; do
  40                                 eval "high0x$left$right="
  41                         done
  42                 done
  43                 table=
  44                 highuse=
  45                 while read byte unicode comment; do
  46                         if eval "[ \"\$high$byte\" ]"; then
  47                                 table="$table   {$byte, $unicode},${comment+ }$comment
  48 "
  49                         else
  50                                 eval "high$byte=\"\$unicode,\${comment+ }\$comment\""
  51                                 highuse=1
  52                         fi
  53                 done
  54                 if [ "$highuse" ]; then
  55                         printf "const uint16_t highhalf_%s [] = {\n" "$i"
  56                         for left in 8 9 A B C D E F; do
  57                                 for right in 0 1 2 3 4 5 6 7 8 9 A B C D E F; do
  58                                         eval "printf \"\\t/* %s */ %s\\n\" \"0x$left$right\" \"\${high0x$left$right:-0xFFFF,}\""
  59                                 done
  60                         done
  61                         printf "};\n\n"
  62                 else
  63                         printf "#define highhalf_%s highhalf_NULL\n\n" "$i"
  64                 fi
  65                 if [ "$table" ]; then
  66                         printf "const struct table_entry table_%s [] = {\n%s\t{0, 0}\n};\n" "$i" "$table"
  67                 else
  68                         printf "#define table_%s table_NULL\n" "$i"
  69                 fi
  70                 printf "\n"
  71         }
  72
  73         echo 'unsigned char *const aliases_'$i' [] = {'
  74         head -n 2 $i.cp | tail -n +2 | sed 's/ \+/ /g; s/ $//; s/\", /\",£/g; s/$/,/' | tr "£" "\n" \
  75         | sed 's/^/£/g' | tr "£" "\t"
  76         echo '  NULL
  77 };'
  78         n=`expr $n + 1`
  79 done
  80
  81 printf "\n/*** NULL ***/\n\n"
  82 printf "const uint16_t highhalf_NULL [] = {\n"
  83 for r in `seq 16`; do
  84         printf "\t0xFFFF,0xFFFF,0xFFFF,0xFFFF, 0xFFFF,0xFFFF,0xFFFF,0xFFFF,\n"
  85 done
  86 printf "};\n\n"
  87 printf "const struct table_entry table_NULL [] = {\n"
  88 printf "\t{0, 0}\n"
  89 printf "};\n"
  90
  91 echo
  92 echo 'const struct codepage_desc codepages [] = {'
  93
  94 for i in $codepages; do
  95         echo '  {"'`head -n 1 $i.cp`'", aliases_'$i', highhalf_'$i', table_'$i'},'
  96 done
  97
  98 echo '  {NULL, NULL, NULL}'
  99 echo '};'
 100
 101 echo
 102 echo '#define N_CODEPAGES '$n | sed 's/
//g'
 103
 104 ) | sed 's/
//g' > ../src/intl/codepage.inc
 105
 106 echo
 107 echo Done.
 108
 109 fi
 110
 111 echo