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Add concept of data decorator function

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Petr Sloup
2017-07-28 09:53:32 +02:00
parent 427a0f0687
commit 42f24c2c99
3 changed files with 28 additions and 1 deletions
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12
src/serve_rendered.js
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@@ -100,7 +100,8 @@ module.exports = function(options, repo, params, id, dataResolver) {
});
} else if (protocol == 'mbtiles') {
var parts = req.url.split('/');
var source = map.sources[parts[2]];
var sourceId = parts[2];
var source = map.sources[sourceId];
var z = parts[3] | 0,
x = parts[4] | 0,
y = parts[5].split('.')[0] | 0,
@@ -118,6 +119,10 @@ module.exports = function(options, repo, params, id, dataResolver) {
if (format == 'pbf') {
response.data = zlib.unzipSync(data);
if (options.dataDecoratorFunc) {
response.data = options.dataDecoratorFunc(
sourceId, 'data', response.data, z, x, y);
}
} else {
response.data = data;
}
@@ -258,6 +263,11 @@ module.exports = function(options, repo, params, id, dataResolver) {
'mbtiles://' + name + '/{z}/{x}/{y}.' + (info.format || 'pbf')
];
delete source.scheme;
if (options.dataDecoratorFunc) {
source = options.dataDecoratorFunc(name, 'tilejson', source);
}
if (source.format == 'pbf') {
map.sources[name].emptyTile = new Buffer(0);
} else {