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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
use File::Slurp qw(read_file write_file);
use JSON;
use List::Util qw(any);
use XML::LibXML;
my $json_str = read_file('stations.json');
my $stations = JSON->new->utf8->decode($json_str);
@{$stations} = sort { $a->{name} cmp $b->{name} } @{$stations};
my %station_by_ds100;
for my $station ( @{$stations} ) {
$station_by_ds100{ $station->{ds100} } = $station;
}
my %station_by_eva;
for my $station ( @{$stations} ) {
$station_by_eva{ $station->{eva} } = $station;
}
my %station_by_name;
for my $station ( @{$stations} ) {
$station_by_name{ $station->{name} } = $station;
}
my %xml_by_name;
my %xml_by_eva;
my $xml_str = read_file('stations.xml');
my $tree = XML::LibXML->load_xml( string => $xml_str );
my @missing;
if ( -e "missing.txt" ) {
for my $line ( read_file("missing.txt") ) {
chomp $line;
push( @missing, $line );
}
}
for my $station ( $tree->findnodes('//station') ) {
my $name = $station->getAttribute('name');
my $eva = $station->getAttribute('eva');
my $ds100 = $station->getAttribute('ds100');
my $is_db = $station->getAttribute('db') eq 'true';
my $xml_station = {
name => $name,
eva => $eva,
ds100 => $ds100,
is_db => $is_db,
};
$xml_by_name{$name} = $xml_station;
$xml_by_eva{$eva} = $xml_station;
my $found = 0;
if ( $station_by_name{$name} or $station_by_eva{$eva} ) {
$found = 1;
}
if ( $station_by_ds100{$ds100}
and $station_by_ds100{$ds100}{name} ne $name )
{
printf( "%8s has been renamed: %30s -> %30s\n",
$ds100, $station_by_ds100{$ds100}{name}, $name );
#$station_by_ds100{$ds100}{name} = $name;
}
elsif ( $station_by_eva{$eva} and $station_by_eva{$eva}{name} ne $name ) {
printf(
"%d mismatch: (%s -> %s), (%s -> %s)\n",
$eva, $station_by_eva{$eva}{name},
$name, $station_by_eva{$eva}{ds100}, $ds100
);
}
elsif ( $station_by_name{$name}
and $station_by_name{$name}{ds100} ne $ds100
and $is_db
and $ds100 !~ m{ ^ PQ }x )
{
printf( "%30s has been recoded: %8s -> %8s\n",
$name, $station_by_name{$name}{ds100}, $ds100 );
}
elsif ( $station_by_name{$name}
and $station_by_name{$name}{eva} ne $eva
and $is_db
and $ds100 !~ m{ ^ PQ }x )
{
printf( "%30s has been recoded: %d -> %d\n",
$name, $station_by_name{$name}{eva}, $eva );
}
if ( not $found
and any { $_ eq $name } @missing )
{
say "missing $eva $ds100 \"$name\"";
push(
@{$stations},
{
name => $name,
ds100 => $ds100,
eva => $eva,
}
);
}
}
my @to_delete;
for my $i ( 0 .. $#{$stations} ) {
my $j_station = $stations->[$i];
my $j_name = $j_station->{name};
my $j_ds100 = $j_station->{ds100};
my $j_eva = $j_station->{eva};
if ( not( $xml_by_name{$j_name} or $xml_by_eva{$j_eva} ) ) {
say "station no longer exists: $j_eva $j_ds100 \"$j_name\"";
unshift( @to_delete, $i );
}
}
for my $i (@to_delete) {
splice( @{$stations}, $i, 1 );
}
my $json_out = JSON->new->utf8->canonical->pretty->encode($stations);
write_file( 'stations.json', $json_out );
|
