#!/usr/bin/perl
#
#   This file is part of the KDE libraries
#
#   Copyright (C) 1999 Lars Knoll (knoll@mpi-hd.mpg.de)
#   Copyright (C) 2003 Dirk Mueller (mueller@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 tdehtmlattrs.c and tdehtmlattrs.h
#
open IN, "htmlattrs.in"
  or die "Can't open in\n";
open header, ">htmlattrs.h"
  or die "Can't open header\n";
open out, ">htmlattrs.gperf"
  or die "Can't open out\n";

print out "%{\n/* This file is automatically generated from
#htmlattrs.in by makeattrs, do not edit */\n#include \"htmlattrs.h\"\n%}\n";
print out "struct attrs {\n    int name;\n    int id;\n};\n%%\n";

print header "/* This file is automatically generated from
htmlattrs.in by makeattrs, do not edit */\n/* Copyright 1999 Lars Knoll */\n\n#ifndef HTML_ATTRS_H\n#define HTML_ATTRS_H\n\n#include \"dom/dom_string.h\"\n#include <kdemacros.h>\nusing namespace DOM;\n\n";

my %amap = ();
my $last_ci_attr = 0;
$num = 0;
while (<IN>) {
    next if /^#/;
    next if /^\s*$/;
    /END_CI_ATTR/ and $last_ci_attr = $num and next;

    chomp;
    $attr = $_;
    $num = $num + 1;

    $up = uc($attr);
    $amap{$up} = $num;
    push(@a, $up);
    $up =~ s/-/_/;
    print out $attr . ", ATTR_" . $up . "\n";

    print header "#define ATTR_" . $up . " " . $num . "\n";

    }
close(IN);

print header "#define ATTR_LAST_ATTR $num\n";
print header "#define ATTR_LAST_CI_ATTR $last_ci_attr\n";

print out "%%\n";
close out;

print header "const char* getAttrName(unsigned short id) KDE_NO_EXPORT;\n";

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

my $result = system("/bin/sh", "-c", "gperf -c -a -L 'ANSI-C' -P -G -D -E -C -o -t -k '*' -NfindAttr -Hhash_attr -Wwordlist_attr -Qspool_attr -s 2 htmlattrs.gperf > htmlattrs.c");
if ($result) {
  unlink "htmlattrs.c";
  exit $result;
}
system("/bin/sh", "-c", 'perl -pi -e "s/\"\"}/\"\", 0}/g" htmlattrs.c');

# read the hash mappings (is there a better way?)
my %hmap = ();
open(IN, "<htmlattrs.c");
while(<IN>) {
  if (/spool_attr_str(\d+), ATTR_([\w_]+)/) {
    $hmap{$amap{$2}} = $1;
  }
}
close(IN);  

open(OUT, ">>htmlattrs.c");
print OUT "\n\nstatic const unsigned short attrList[] = {\n";
print OUT "    65535,\n";

while(defined ($line = shift @a))
{
    my $l = $line;
    $l =~ y/-/_/;

    die if !length($hmap{$amap{$l}});

    print OUT "    " .$hmap{$amap{$l}}.",\n";
}
print OUT "    65535\n};\n\n";
print OUT "const char* KDE_NO_EXPORT getAttrName(unsigned short id)\n{\n";
print OUT "    if (!id || id > TOTAL_KEYWORDS) return \"\";\n";
print OUT "    return spool_attr + wordlist_attr[attrList[id]].name;\n";
print OUT "}\n";