#!/usr/bin/perl
#   This file is part of the KDE libraries
#
#   Copyright (C) 1998 Waldo Bastian (bastian@kde.org)
#                 1999 Lars Knoll (knoll@kde.org)
#
#   This library is free software; you can redistribute it and/or
#   modify it under the terms of the GNU Library General Public
#   License as published by the Free Software Foundation; either
#   version 2 of the License, or (at your option) any later version.
#
#   This library is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#   Library General Public License for more details.
#
#   You should have received a copy of the GNU Library General Public License
#   along with this library; see the file COPYING.LIB.  If not, write to
#   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
#   Boston, MA 02110-1301, USA.
#
#----------------------------------------------------------------------------
#
#  KDE HTML Widget -- Script to generate htmltags.c and htmltags.h
#
open IN, "htmltags.in"
  or die "Can't open in\n";
open header, ">htmltags.h"
  or die "Can't open header\n";
open out, ">htmltags.gperf"
  or die "Can't open out\n";

print out "%{\n/* This file is automatically generated from htmltags.in by maketags, do not edit */\n/* Copyright 1999 Lars Knoll */\n#include \"htmltags.h\"\n%}\n";
print out "struct tags {\n    int name;\n    int id;\n};\n%%\n";

print header <<EOF;
/* This file is automatically generated from htmltags.in by maketags, do not edit */
/* Copyright 1999 Lars Knoll */

#ifndef KHTML_TAGS_H
#define KHTML_TAGS_H

#include "dom/dom_string.h"
#include <kglobal.h>

KDE_NO_EXPORT const char* getTagName(unsigned short id);

EOF

my @tags = ();
$num = 0;
while (<IN>) {
    chomp;
    $attr = $_;
    $num = $num + 1;
    push(@tags, $attr);
    push(@a, "    \"$attr\",");
    push(@b, "    \"/$attr\",");
    $up = uc($attr);
    $up =~ s/-/_/;
    print out $attr . ", ID_" . $up . "\n";
    print header "#define ID_" . $up . " " . $num . "\n";
}
print out "anchor, ID_A\n";
print out "image, ID_IMG\n";
print out "listing, ID_PRE\n";
$num = $num+1;
print header "#define ID_TEXT $num\n";
$num = $num+1;
print header "#define ID_COMMENT $num\n";
print header "#define ID_CLOSE_TAG $num\n";
print header "#define ID_LAST_TAG $num\n";

print out "%%\n";
close out;
print header "\n#endif\n";
close header;

my $result = system("/bin/sh", "-c", "gperf -a -L 'ANSI-C' -P -D -E -C -l -o -t -k '*' -NfindTag -Hhash_tag -Wwordlist_tag -Qspool_Tag htmltags.gperf > htmltags.c");
if ($result) {
  unlink "htmltags.c";
  exit $result;
}

open(OUT, ">>htmltags.c");
print OUT "\n\nstatic const char tagStable[] = {\n   \"";
push (@tags, "text");
push (@tags, "comment");
my %stable = ();
my $l = 1;
my $line = 5;
foreach my $k(@tags) {
  if ($line > 65) {
    print OUT "\"\n   \"";
    $line = 5;
  }
  #print OUT "    \"\\000/$k\"\n";
  print OUT "\\000/$k";
  $stable{$k} = $l;
  $l += length($k) + 2;
  $line += length($k) + 5;
}
print OUT "\\000\"\n};\n";

print OUT "\nstatic const unsigned short tagSList[] = {\n";
print OUT "  0,\n";
my $c = 0;
foreach  my $line (@tags)
{
    printf OUT "\n  " if (($c % 12) == 0);
    printf OUT "%4d,", ($stable{$line}+1) ;
    ++$c;
}
foreach my $line (@tags)
{
    printf OUT "\n  " if (($c % 12) == 0);
    printf OUT "%4d,", ($stable{$line}) ;
    ++$c;
}
print OUT "    0\n};\n\n";
print OUT "const char* KDE_NO_EXPORT getTagName(unsigned short id)\n{\n";
print OUT "    if(id > ID_CLOSE_TAG*2) id = ID_CLOSE_TAG+1;\n";
print OUT "    return &tagStable[tagSList[id]];\n}\n";