103 lines
3.6 KiB
JavaScript
103 lines
3.6 KiB
JavaScript
BR.Gpx = {
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format: function (geoJson, turnInstructionMode = 0, transportMode = 'bike') {
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if (!geoJson?.features) return '';
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const trkNameTransform = {
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trk: function (trk, feature, coordsList) {
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// name as first tag, by using assign and in this order
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return Object.assign(
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{
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name: feature.properties.name,
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},
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trk
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);
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},
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};
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let gpxTransform = trkNameTransform;
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if (turnInstructionMode > 0) {
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const voiceHints = BR.voiceHints(geoJson);
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gpxTransform = voiceHints.getGpxTransform(turnInstructionMode, transportMode);
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}
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let gpx = togpx(geoJson, {
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featureTitle: function () {},
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featureDescription: function () {},
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transform: gpxTransform,
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});
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const statsComment = BR.Gpx._statsComment(geoJson);
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gpx = '<?xml version="1.0" encoding="UTF-8"?>' + statsComment + gpx;
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gpx = BR.Gpx.pretty(gpx);
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return gpx;
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},
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// <!-- track-length = 319 filtered ascend = 2 plain-ascend = -1 cost=533 energy=.0kwh time=44s -->
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_statsComment: function (geoJson) {
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const props = geoJson.features?.[0].properties;
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if (!props) return '';
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let comment = '<!--';
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comment += ' track-length = ' + props['track-length'];
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comment += ' filtered ascend = ' + props['filtered ascend'];
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comment += ' plain-ascend = ' + props['plain-ascend'];
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comment += ' cost=' + props['cost'];
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if (props['total-energy']) {
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// TODO 'wh'? (also for stats, see issue),
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// see brouter OsmTrack.getFormattedEnergy
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comment += ' energy=' + (props['total-energy'] / 3600000).toFixed(1) + 'kwh';
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}
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if (props['total-time']) {
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// TODO format, e.g. total-time=14833 -> time=4h 7m 13s
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// see brouter OsmTrack.getFormattedTime2
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comment += ' time=' + props['total-time'] + 's';
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}
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comment += ' -->';
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return comment;
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},
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// modified version of
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// https://gist.github.com/sente/1083506#gistcomment-2254622
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// MIT License, Copyright (c) 2016 Stuart Powers, ES6 version by Jonathan Gruber
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pretty: function (xml, indentSize = 1) {
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const PADDING = ' '.repeat(indentSize);
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const newline = '\n';
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// Remove all the newlines and then remove all the spaces between tags
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xml = xml.replace(/\s*(\r\n|\n|\r)\s*/gm, ' ').replace(/>\s+</g, '><');
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// break into lines
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const reg = /(>)(<)(\/?)/g;
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let pad = 0;
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xml = xml.replace('<metadata/>', '');
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xml = xml.replace(reg, `$1${newline}$2$3`);
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let lines = xml.split(newline);
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lines = lines.map((node, index) => {
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let indent = 0;
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if (node.match(/.+<\/\w[^>]*>$/)) {
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indent = 0;
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} else if (node.match(/^<\/\w/) && pad > 0) {
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pad -= 1;
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} else if (node.match(/^<\w[^>]*[^\/]>.*$/)) {
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indent = 1;
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} else {
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indent = 0;
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}
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pad += indent;
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return PADDING.repeat(pad - indent) + node;
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});
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for (const [i, line] of lines.entries()) {
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// break gpx attributes into separate lines
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if (line.includes('<gpx ')) {
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lines[i] = line.replace(/ ([a-z:]+=")/gi, ` ${newline}${PADDING}$1`);
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break;
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}
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}
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return lines.join(newline);
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},
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};
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