mktbl.pl

Newlib 嵌入式 C库 标准实现代码

  {
    $tbl = \@FromSpeedTbl;
    $direction = " UCS -> $CCSName";
    $bytes = $FromSpeedBytes;
    
    if ($Source)
    {
      print OUTFILE
"/*
 * 16-bit UCS -> $CCSName speed-optimized table ($FromSpeedBytes bytes).
 * $Separator
 */

#if defined ($GuardFromUCS) \\
 && !($GuardSize)

static _CONST __uint16_t
${VarFromUCSSpeed}\[] =
{
";
    }
  }
  else
  {
    Err "Internal script error  Output16bitSpeed()\n";
  }

  printf "Output%s 16-bit%s%s table (%d bytes).\n",
  $e, $direction, $optimiz, $bytes if $Verbose;

  # OUTPUT HEADING BLOCK (ALWAYS 16 BIT)
  if ($Source)
  {
    my $count = 0;
    print OUTFILE "\t/* Heading Block */";
    for (my $i = 0, my $br = 0; $i < 256; $br = ++$i % 8)
    {
      print OUTFILE "\n\t" unless $br;
      if (defined $tbl->[0]->[$i])
      {
        printf OUTFILE "0x%.4X,", $tbl->[0]->[$i];
      }
      else
      {
        print OUTFILE "$MacroInvBlock,";
      }
    }
  }
  else
  {
    print OUTFILE pack($endian, defined $_ ? $_ : $InvBlock)
    foreach @{$tbl->[0]};
  }

  # OUTPUT OTHER BLOCKS
  if ($Source)
  {
    my $index = 256;
    for (my $blk = 1; $blk <= $#$tbl; $blk++)
    {
      next unless defined $tbl->[$blk];
      printf OUTFILE "\n\t/* Block $blk, Array index 0x%.4X */", $index;
      $index += 256;
      for (my $i = 0, my $br = 0; $i < 256; $br = ++$i % 8)
      {
        print OUTFILE "\n\t" unless $br;
        my $code = $tbl->[$blk]->[$i];
        print OUTFILE defined $code ? 
            ($code == $TmpLost ? $MacroLostCode : sprintf "0x%.4X", $code)
                                     : $MacroInvCode, ",";
      }
    }
  }
  else
  {
    for (my $blk = 1; $blk <= $#$tbl; $blk++)
    {
      next unless defined $tbl->[$blk];
      for (my $i = 0, my $br = 0; $i < 256; $br = ++$i % 8)
      {
        my $code = $tbl->[$blk]->[$i];
        print OUTFILE pack($endian, 
          defined $code ? ($code == $TmpLost ? $LostCode : $code) : $InvCode);
      }
    }
  }

  if ($Source)
  {
    if ($_[0] eq "to_ucs")
    {
      print OUTFILE
"
};

#endif /* $GuardToUCS && !$GuardSize */

";
    }
    else
    {
      print OUTFILE
"
};

#endif /* $GuardFromUCS && !$GuardSize */

";
    }
  }
}

# =============================================================================
#
# Output 16bit Size-optimized table. Output table's source code if $Source
# and table's binary data if !$Source.
# 
# Parameter 1: 
#    "to_ucs"   - Output "to_ucs" table.
#    "from_ucs" - Output "from_ucs" table.
# Parameter 2:    Not used when sources are output. Output BE binary if 'n' and
#                 LE binary if 'v'.
#
# =============================================================================
sub OutputSize($;$)
{
  my $endian = $_[1];
  my $tbl;
  my ($direction, $optimiz, $e, $bytes);
  $optimiz = $Bits == 16 ? " size-optimized" : "";
  $e = $endian ? ($endian eq 'n' ? " Big Endian" : " Little Endian") : "";
  if ($_[0] eq "to_ucs")
  {
    $tbl = \@ToSizeTbl;
    $direction = " $CCSName -> UCS";
    $bytes = $ToSizeBytes;

    if ($Source)
    {
      print OUTFILE
"/*
 * 16-bit $CCSName -> UCS size-optimized table ($ToSizeBytes bytes).
 * $Separator
 */
#if defined ($GuardToUCS) \\
 && ($GuardSize)

static _CONST __uint16_t
${VarToUCSSize}\[] =
{
";
    }
  }
  elsif ($_[0] eq "from_ucs")
  {
    $tbl = \@FromSizeTbl;
    $direction = " UCS -> $CCSName";
    $bytes = $FromSizeBytes;
    if ($Source)
    {
      print OUTFILE
"/*
 * 16-bit UCS -> $CCSName size-optimized table ($FromSizeBytes bytes).
 * $Separator
 */

#if defined ($GuardFromUCS) \\
 && ($GuardSize)

static _CONST __uint16_t
${VarFromUCSSize}\[] =
{
";
    }
  }
  else
  {
    Err "Internal script error  Output16bitSize()\n";
  }

  printf "Output%s 16-bit%s%s table (%d bytes).\n",
  $e, $direction, $optimiz, $bytes if $Verbose;

  # OUTPUT FIRST 3 ELEMENTS
  if ($Source)
  {
    printf OUTFILE "\t0x%.4X, /* Ranges number */\n", $tbl->[0];
    printf OUTFILE "\t0x%.4X, /* Unranged codes number */\n", $tbl->[1];
    printf OUTFILE "\t0x%.4X, /* First unranged code index */\n", $tbl->[2];
  }
  else
  {
    printf OUTFILE pack $endian, $tbl->[0];
    printf OUTFILE pack $endian, $tbl->[1];
    printf OUTFILE pack $endian, $tbl->[2];
  }

  my $idx = 0;
  # OUTPUT RANGES
  if ($Source)
  {
    print OUTFILE "\t/* Ranges list: first code, last Code, array index. */\n";
    for (my $range = 0; $range <= $#{$tbl->[3]}; $range++)
    {
      printf OUTFILE "\t/* Array index: 0x%.4X */ 0x%.4X, 0x%.4X, 0x%.4X,\n",
             $idx += 3,
             $tbl->[3]->[$range]->[0],
             $tbl->[3]->[$range]->[1],
             $tbl->[3]->[$range]->[2];
    }
  }
  else
  {
    for (my $range = 0; $range <= $#{$tbl->[3]}; $range++)
    {
      print OUTFILE pack($endian, $tbl->[3]->[$range]->[0]),
                    pack($endian, $tbl->[3]->[$range]->[1]),
                    pack($endian, $tbl->[3]->[$range]->[2]);
    }
  }
  $idx += 3;

  # OUTPUT RANGES CONTENT
  if ($Source)
  {
    print OUTFILE "\t/* Ranges content */";
    for (my $range = 0; $range <= $#{$tbl->[3]}; $range++)
    {
      printf OUTFILE "\n\t/* Range 0x%.4X - 0x%.4X, array index: 0x%.4X */",
             $tbl->[3]->[$range]->[0], $tbl->[3]->[$range]->[1], $idx;
             $idx += $tbl->[3]->[$range]->[1] - $tbl->[3]->[$range]->[0] + 1;
      for (my $elt = 0, my $br = 0;
           $elt <= $#{$tbl->[4]->[$range]};
           $br = ++$elt % 8)
      {
        print OUTFILE "\n\t" unless $br;
        if (defined $tbl->[4]->[$range]->[$elt])
        {
          if ($tbl->[4]->[$range]->[$elt] != $TmpLost)
          {
            printf OUTFILE "0x%.4X,", $tbl->[4]->[$range]->[$elt];
          }
          else
          {
            print OUTFILE "$MacroLostCode,";
          }
        }
        else
        {
          print OUTFILE "$MacroInvCode,";
        }
      }
    }
  }
  else
  {
    for (my $range = 0; $range <= $#{$tbl->[3]}; $range++)
    {
      for (my $elt = 0; $elt <= $#{$tbl->[4]->[$range]}; $elt++)
      {
        if (defined $tbl->[4]->[$range]->[$elt])
        {
          if ($tbl->[4]->[$range]->[$elt] != $TmpLost)
          {
            print OUTFILE pack $endian, $tbl->[4]->[$range]->[$elt];
          }
          else
          {
            print OUTFILE pack $endian, $LostCode;
          }
        }
        else
        {
          print OUTFILE pack $endian, $InvCode;
        }
      }
    }
  }

  # OUTPUT UNRANGED CODES
  if ($Source)
  {
    printf OUTFILE "\n\t/* Unranged codes (%d codes) */", $#{$tbl->[4]} + 1;
    for (my $i = 0; $i <= $#{$tbl->[5]}; $i++)
    {
      printf OUTFILE "\n\t/* Array index: 0x%.4X */ 0x%.4X,0x%.4X,",
             $idx, $tbl->[5]->[$i]->[0], $tbl->[5]->[$i]->[1];
    }
  }
  else
  {
    for (my $i = 0; $i <= $#{$tbl->[5]}; $i++)
    {
      print OUTFILE pack($endian, $tbl->[5]->[$i]->[0]),
                    pack($endian, $tbl->[5]->[$i]->[1]);
    }
  }

  if ($Source)
  {
    if ($_[0] eq "to_ucs")
    {
      print OUTFILE
"
};

#endif /* $GuardToUCS && $GuardSize */

";
    }
    else
    {
      print OUTFILE
"
};

#endif /* $GuardFromUCS && $GuardSize */

";
    }
  }
}


# =============================================================================
#
# Parse command line options
#
# =============================================================================
sub ProcessOptions()
{
  my $help_opt    = 'h'; # Print help option
  my $input_opt   = 'i'; # Input file name option
  my $output_opt  = 'o'; # Output file name option
  my $source_opt  = 'S'; # Generate C source file option
  my $enc_opt     = 'N'; # Encoding name
  my $plane_opt   = 'p'; # Plane number
  my $verbose_opt = 'v'; # Verbose output
  my $ccscol_opt  = 'x'; # Encoding's column number
  my $ucscol_opt  = 'y'; # UCS column number
  my $nosize_opt  = 'l'; # Don't generate size-optimized tables
  my $nospeed_opt = 'b'; # Don't generate speed-optimized tables
  my $nobe_opt    = 'B'; # Don't generate big-endian tables
  my $nole_opt    = 'L'; # Don't generate big-endian tables
  my $noto_opt    = 't'; # Don't generate "to_ucs" table
  my $nofrom_opt  = 'f'; # Don't generate "from_ucs" table

  my %args;              # Command line arguments found by getopts()

  my $getopts_string = 
     "$help_opt$source_opt$enc_opt:$verbose_opt$input_opt:$output_opt:$plane_opt:"
   . "$nosize_opt$nospeed_opt$nobe_opt$nole_opt$noto_opt$nofrom_opt$ccscol_opt:"
   . "$ucscol_opt:";

  getopts($getopts_string, \%args) || Err "getopts() failed: $!.\n", 1;

  # Print usage rules and exit.
  if ($args{$help_opt})
  {
    print<<END
Usage:
     -$help_opt - this help message;
     -$input_opt - input file name (required);
     -$output_opt - output file name;
     -$enc_opt - CCS or encoding name;
     -$plane_opt - plane number (high 16 bits) to use (in hex);
     -$source_opt - generate C source file;
     -$nospeed_opt - don't generate speed-optimized tables (binary files only);
     -$nosize_opt - don't generate size-optimized tables (binary files only);
     -$nobe_opt - don't generate Big Endian tables (binary files only);
     -$nole_opt - don't generate Little Endian tables (binary files only);
     -$noto_opt - don't generate "to_ucs" table;
     -$nofrom_opt - don't generate "from_ucs" table;
     -$ccscol_opt - encoding's column number;
     -$ucscol_opt - UCS column number;
     -$verbose_opt - verbose output.

If output file name isn't specified, <infile>.c (for sources) or
<infile>.cct (for binaries) is assumed.
If encoding name isn't specified <infile> is assumed.
<infile> is normalized (small letters, "-" are substituted by "_") input file
name base (no extension). For example, for Koi8-r.txt input file, <infile>
is koi8_r.            
END
;
    exit 0;
  }

  $Verbose   = $args{$verbose_opt};
  $Source    = $args{$source_opt};
  $NoSpeed   = $args{$nospeed_opt};
  $NoSize    = $args{$nosize_opt};
  $NoBE      = $args{$nobe_opt};
  $NoLE      = $args{$nole_opt};  
  $NoFrom    = $args{$nofrom_opt};
  $NoTo      = $args{$noto_opt};
  $CCSCol    = $args{$ccscol_opt};
  $UCSCol    = $args{$ucscol_opt};
  $Plane     = $args{$plane_opt};
  $InFile    = $args{$input_opt};
  $OutFile   = $args{$output_opt};
  $CCSName   = $args{$enc_opt};

  Err "Error: input file isn't defined. Use -$help_opt for help.\n", 1
  unless $InFile;
  
  unless ($OutFile)
  {
    # Construct output file name
    $OutFile = $InFile;
    $OutFile =~ s/(.*\/)*([0-9a-zA-Z-_]*)(\..*)$/\L$2/;
    $OutFile =~ tr/-/_/;
    if ($Source)
    {
      $OutFile = "$OutFile.c";
    }
    else
    {
      $OutFile = "$OutFile.cct"
    }
  }
  
  unless ($CCSName)
  {
    # Construct CCS name
    $CCSName = $InFile;
    $CCSName =~ s/(.*\/)*([0-9a-zA-Z-_]*)(\..*)$/\L$2/;
    $CCSName =~ tr/-/_/;
  }

  Err "-$nosize_opt option can't be used with -$nospeed_opt option "
    . "simultaniously.\n", 1 if $NoSpeed && $NoSize;

  Err "-$nobe_opt option can't be used with -$nole_opt option "
    . "simultaniously.\n", 1 if $NoBE && $NoLE;
  
  Err "-$noto_opt option can't be used with -$nofrom_opt option"
    . "simultaniously.\n", 1 if $NoTo && $NoFrom;

  Err "-$nosize_opt, -$nospeed_opt, -$nobe_opt -$nole_opt "
    . "-$noto_opt and -$nofrom_opt "
    . "options can't be used with -$source_opt option.\n"
    . "Source code always contains both speed- and size-optimized "
    . "tables in System Endian. Use -$help_opt for help.\n", 1
  if $Source and $NoSpeed || $NoSize || $NoBE || $NoLE || $NoTo || $NoFrom;
  
  if (!$CCSCol && !$UCSCol)
  {
    $CCSCol = 0;
    $UCSCol = 1;
  }
  elsif ($CCSCol && $UCSCol)
  {
    Err "Column number should be >= 0\n", 1 if ($CCSCol <= 0 or $UCSCol <= 0);
    $CCSCol -= 1;
    $UCSCol -= 1;
  }
  else
  {
    Err "Please, define both CCS and UCS column numbers\n", 1;
  }

  if ($Verbose)
  {
    print  "Use $InFile file for input.\n",
           "Use $OutFile file for output.\n",
           "Use $CCSName as CCS name.\n";
    print  "Generate C source file.\n"                if $Source;
    print  "Generate binary file.\n"                  if !$Source;
    printf "Use plane N 0x%.4X.\n", hex $Plane if defined $Plane;
    printf "Use column N $CCSCol for $CCSName.\n";
    printf "Use column N $UCSCol for UCS.\n";
    print  "Don't generate size-optimized tables.\n"  if $NoSize;
    print  "Don't generate speed-optimized tables.\n" if $NoSpeed;
    print  "Don't generate big-endian tables.\n"      if $NoBE;
    print  "Don't generate little-endian tables.\n"   if $NoLE;
    print  "Don't generate \"to_ucs\" table.\n"       if $NoTo;
    print  "Don't generate \"from_ucs\" table.\n"     if $NoFrom;
  }
  
  return;
}


# =============================================================================
#
# Print error message, close all and exit
#
# Parameter 1: error message
# Parameter 2: don't delete output file if > 1
#
# =============================================================================
sub Err($;$)
{
  print STDERR "$_[0]";
  close INFILE;
  close OUTFILE;
  unlink $OutFile unless $_[1];
  
  exit 1;
}