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#!/usr/bin/perl

use strict;
use warnings;

my $write_osm = 0;
$write_osm = 1 if (defined(@ARGV) && $ARGV[0] eq '-x' && shift);

if (!($#ARGV + 1)) {
    print "parses one (or multiple) .asc-file(s) (mainly used by poiwarner) and merges the result into one navit binary mapfile. requires osm2navit\n";
    print "usage: $0 [-x] OUT in1.asc [in2.asc [...]]\n";
    print "       creates one big file\n";
    print "usage: $0 [-x] IN.asc\n";
    print "       creates a file called IN.asc.bin / .osm\n\n";
    print "  -x   write in osm's xml format instead of navit's\n";
    exit 0;
}

# generate the filename
my $filename;
if ($#ARGV == 0) {
    print "one file: $ARGV[0]\n";
    $filename = "$ARGV[0].bin";
    $filename = "$ARGV[0].xml" if ($write_osm);
} else {
    $filename = $ARGV[0];
    shift;
    print "multiple inputfiles: " . join(' ', @ARGV) . "\n";
}

print "output: $filename\n";

# open a file handle to store the osm data...
my $pipe;
if ($write_osm) {
    open $pipe, ">$filename" or die $!;
} else {
# or a direct pipe to osm2navit
    open $pipe, "| osm2navit $filename" or die $!;
}


# start generating the osm-code
print $pipe '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
print $pipe '<osm version="0.5">' . "\n";

my $i = 0;

while (my $file = shift){
    my $filehandle;
    print "processing $file...\n";
    open ($filehandle, "<$file") or die $!;
    my $amenity = 'tec_common';
    while (<$filehandle>) {
        m/([0-9\.\-]*), ([0-9\.\-]*), "\[([0-9]*).*/ or next;
        my ($lon, $lat, $id) = ($1, $2, $3);
        print $pipe "    <node id=\"-$id\" visible=\"true\" lon=\"$lon\" lat=\"$lat\">\n";
        print $pipe "        <tag k=\"name\" v=\"\" />\n";
        print $pipe "        <tag k=\"amenity\" v=\"$amenity\" />\n";
        print $pipe "    </node>\n";
        $i++;
    }
}
        
print $pipe '</osm>';
print "$i poi's processed\n";