#!/usr/bin/perl

use POSIX;

my $dckeysymsfile = "dckeysyms.h";

my %dcsyms = ();

open DCKB, "<$dckeysymsfile" || die "Unable to open keysym file $dckeysymsfile";

while(<DCKB>) {

    if( /^#define\s+DCKB_([^ ]*)/ ) {

        $dcsyms{$1} = "DCKB_$1";

    }

}

my %hash = ();

my %rhash = ();

my $name = shift();

while(<ARGV>) {

    my ($val, $sym) = split /\s+/;

    $ival = POSIX::strtol($val,0);

    $hash{$ival} = $sym;

    $rhash{$sym} = $ival;

}

print "/**\n * $name keyboard map autogenerated by genkeymap.pl\n */\n\n";

print "const gchar *${name}_keysyms_by_keycode[128] = { ";

for( $i=0; $i < 128; $i++ ) {

    if( $i != 0 ) { print ", "; }

    if( defined($hash{$i}) ) {

        print "\"$hash{$i}\"";

    } else {

        print "NULL";

    }

}

print "};\n\n";

print "const uint16_t ${name}_keycode_to_dckeysym[128] = { ";

for( $i=0; $i<128; $i++ ) {

    if( $i != 0 ) { print ", "; }

    if( defined($hash{$i}) && $dcsyms{$hash{$i}} ) {

        print $dcsyms{$hash{$i}};

    } else {

        print "DCKB_NONE";

    }

}

print "};\n\n";

my @keys = sort {uc($a) cmp uc($b)} keys %rhash;

print "#define ${name}_keysym_count " . ($#keys+1) . "\n";

print "struct ${name}_keymap_struct {\n    const gchar *name;\n    uint16_t keycode;\n};\n\n";

print "struct ${name}_keymap_struct ${name}_keysyms[] = { ";

foreach my $keysym (@keys) {

    print "{\"$keysym\", $rhash{$keysym} }, ";

}

print "{NULL,-1} };\n\n";