#!/usr/bin/perl -w

# Copyright (c) 2000, 2002 Stephen Montgomery-Smith
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of Stephen Montgomery-Smith nor the names of his 
#    contributors may be used to endorse or promote products derived from 
#    this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE STEPHEN MONTGOMERY-SMITH AND CONTRIBUTORS 
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL STEPHEN MONTGOMERY-SMITH OR 
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
# POSSIBILITY OF SUCH DAMAGE.

open(PRINTC,">print.c");

open(CONFIG,"config_print");

$output = '';
$outputline = '';
$last_needs_mask = '';
$last_needs_enum = '';

while ($line = <CONFIG>) {
  next if $line =~ /^\#/ || $line =~ /^\s*$/;

  if ($line =~ /^[A-Z]/) {
    ($type,$field,@title) = split ' ',$line;
    $title = join ' ',@title;

    if ($type =~ /^MASK\_(.*)$/) {
      $output .= "printf(\"$title = %s\\n\", (ctrls->$field & $1)?\"On\":\"Off\");\n";
      die "mask error\n" if !$last_needs_mask;
      $outputline .= "printf(\" %s\",\"$last_needs_mask\" + ((ctrls->$field & $1) != 0));\n";
      $last_needs_mask = '';
    }
    elsif ($last_needs_mask) {
      die "mask error\n";
    }
    elsif ($type =~/^(USHORT|SHORT|UCHAR)$/) {
      $output .= "printf(\"$title = %d\\n\", ctrls->$field);\n";
      $outputline .= "printf(\" %d\", ctrls->$field);\n";
    }
    elsif ($type eq 'CHAR_ARRAY_32') {
      $output .= "printf(\"$title =\");\n" .
                 "for (i=0;i<32;i++) {\n" .
                 "  if (i%8==0) printf(\"\\n        \");\n" .
                 "  printf(\"%x%x\",ctrls->$field\[i]>>4,ctrls->$field\[i]&15);\n" .
                 "}\n" .
                 "printf(\"\\n\");\n";
      $outputline .= "printf(\" \");\n" .
                     "for (i=0;i<32;i++)\n" .
                     "  printf(\"%x%x\",ctrls->$field\[i]>>4,ctrls->$field\[i]&15);\n";
    }
    elsif ($type eq 'HIGH_NIBBLE_ENUM') {
      die "enum error\n" if !$last_needs_enum;
      $output .= "printf(\"$title = \");\n";
      $outputline .= "s = NULL;\n";
      $line = <CONFIG>;
      $line =~ s/\s//g;
      $first = 1;
      foreach $enum (split ',',$line) {
        ($code,$value) = split '=',$enum;
        $output .= (!$first?"else ":"") .
                   "if ((ctrls->$field & 0xF0) == $value) printf(\"$code\\n\");\n";
        $outputline .= (!$first?"else ":"") .
                   "if ((ctrls->$field & 0xF0)== $value) s = \"$code\";\n";
        $first = 0;
      }
      $output .= "else printf(\"undefined\\n\");\n";
      $outputline .= "if (s!=NULL) printf(\" " . substr($last_needs_enum,1) . " %s\",s);\n";
      $last_needs_enum = 0;
    }
    elsif ($type eq 'LOW_NIBBLE_IF_HIGH_NIBBLE_ENUM') {
      $output .= "printf(\"$title = %d\\n\", ctrls->$field & 0x0F);\n";
      $outputline .= "print_nibble = 0;\n";
      $line = <CONFIG>;
      $line =~ s/\s//g;
      $first = 1;
      foreach $enum (split ',',$line) {
        ($code,$value) = split '=',$enum;
        $outputline .= (!$first?"else ":"") .
                   "if ((ctrls->$field & 0xF0)== $value) print_nibble = 1;\n";
        $first = 0;
      }
      $outputline .= "if (print_nibble) printf(\" %d\", ctrls->$field & 0x0F);\n";
      $last_needs_enum = 0;
    }
    else {
      die "syntax error";
    }
  }
  else {
    chomp($line);
    if ($line =~ /^\-/) {
      $last_needs_mask = $line;
    }
    elsif ($line =~ /^\+/) {
      $last_needs_enum = $line;
    }
    else {
      $outputline .= "printf(\" $line\");\n";
    }
  }
}

$output =~ s/^/  /gm;
$outputline =~ s/^/  /gm;

close CONFIG;

open(COPY,"COPYRIGHT");
$copy = join '',<COPY>;
print PRINTC <<EOM;
/*
$copy
*/

#include "xkbset.h"

void print_controls(XkbControlsPtr ctrls) {
  int i;

$output
}

void print_controls_in_line(XkbControlsPtr ctrls) {
  int i;
  char *s;
  int print_nibble;

  printf(\"xkbset\");
$outputline
  printf(\"\\n\");
}
EOM


########

open(CONFIG,"config_print");

$output = '';
$outputline = '';
$last_needs_mask = '';

while ($line = <CONFIG>) {
  next if $line =~ /^\#/ || $line =~ /^\s*$/;

  if ($line =~ /^[A-Z]/) {
    ($type,$field,@title) = split ' ',$line;
    $title = join ' ',@title;

    if ($type =~ /^MASK\_(.*)$/) {
      if ($field eq 'enabled_ctrls') {
        ($axmask,$axvalues) = ('axt_ctrls_mask','axt_ctrls_values');
      }
      elsif ($field eq 'ax_options') {
        ($axmask,$axvalues) = ('axt_opts_mask','axt_opts_values');
      }
      else {
        ($axmask,$axvalues) = ('','');
      }
      if ($axmask) {
        $output .= "printf(\"Upon Expiry $title will be: %s\\n\",\n" .
                   "  (ctrls->$axmask & $1)?((ctrls->$axvalues & $1)?\"On\":\"Off\"):\"Unchanged\");\n";
        $t = substr $last_needs_mask,1;
        $outputline .= "printf(\" %s$t\",\n" .
                       "  (ctrls->$axmask & $1)?((ctrls->$axvalues & $1)?\"\":\"-\"):\"=\");\n";
        $last_needs_mask = '';
      }
    }
    elsif ($last_needs_mask) {
      die "mask error\n";
    }
  }
  else {
    chomp($line);
    if ($line =~ /^\-/) {
      $last_needs_mask = $line;
    }
  }
}

$output =~ s/^/  /gm;
$outputline =~ s/^/  /gm;

close CONFIG;

print PRINTC <<EOM

void print_expire_controls(XkbControlsPtr ctrls) {
  printf(\"AccessX Timeout = %d\\n\",ctrls->ax_timeout);
$output
}

void print_expire_controls_in_line(XkbControlsPtr ctrls) {
  printf(\"xkbset exp %d\",ctrls->ax_timeout);
$outputline
  printf(\"\\n\");
}
EOM