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78 lines
2.0 KiB
Plaintext
78 lines
2.0 KiB
Plaintext
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#!/usr/bin/perl
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use strict;
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open(GEOJSON, ">feature-filter/in.json");
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open(FILTER, ">feature-filter/filter");
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sub calchash {
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my $h = 0;
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my $s = $_[0];
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while ($s =~ s/^(.)//) {
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$h = ($h * 37 + ord($1)) & ((1 << 32) - 1);
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}
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return $h;
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}
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my $filter = "";
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my $hash = 0;
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print FILTER "{\n";
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my $first = 1;
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open(IN, "../../mapbox-gl-js/test/unit/style-spec/feature_filter.test.js");
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while (<IN>) {
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if (/const f[0-9]* = filter\((.*)\);/) {
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$filter = $1;
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$filter =~ s/'/"/g;
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$hash = "layer" . calchash($filter);
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unless ($filter =~ /apply/) {
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if ($first) {
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$first = 0;
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} else {
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print FILTER ",\n";
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}
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print FILTER "\"$hash\": $filter,\n";
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print FILTER "\"not$hash\": [ \"none\", $filter ]\n";
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}
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}
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if (/t.equal\(f[0-9]*\({(.*)}\), ([a-z]+)\);/) {
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unless ($filter =~ /apply/) {
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my $prop = $1;
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my $matched = $2;
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if ($prop =~ /properties/) {
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next if $prop =~ /undefined/;
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$prop =~ s/properties/"properties"/g;
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$prop =~ s/foo/"foo"/g;
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$prop =~ s/id/"id"/g;
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$prop =~ s/undefined/null/g;
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$prop =~ s/'/"/g;
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my $qprop = "$prop, $filter";
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$qprop =~ s/"/\\"/g;
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if ($matched eq "true") {
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$prop =~ s/}/, \"rule\": \"$qprop\"}/;
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$prop =~ s/^"properties": {,/"properties": {/;
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print GEOJSON "{ \"type\": \"Feature\", \"tippecanoe\": { \"layer\": \"$hash\" }, $prop, \"geometry\": { \"type\": \"Point\", \"coordinates\": [ 0, 0 ] } }\n";
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print GEOJSON "{ \"type\": \"Feature\", \"tippecanoe\": { \"layer\": \"not$hash\" }, $prop, \"geometry\": { \"type\": \"Point\", \"coordinates\": [ -100, 0 ] } }\n";
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} else {
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$prop =~ s/}/, \"rule\": \"not $qprop\"}/;
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$prop =~ s/^"properties": {,/"properties": {/;
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print GEOJSON "{ \"type\": \"Feature\", \"tippecanoe\": { \"layer\": \"not$hash\" }, $prop, \"geometry\": { \"type\": \"Point\", \"coordinates\": [ 0, 0 ] } }\n";
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print GEOJSON "{ \"type\": \"Feature\", \"tippecanoe\": { \"layer\": \"$hash\" }, $prop, \"geometry\": { \"type\": \"Point\", \"coordinates\": [ -100, 0 ] } }\n";
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}
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}
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}
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}
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}
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print FILTER "}\n";
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