source: josm/trunk/scripts/TagInfoExtract.java@ 15984

Last change on this file since 15984 was 15984, checked in by simon04, 4 years ago

see #18802 - Add MapCSSRule.matches
File size: 24.5 KB
Line 
1// License: GPL. For details, see LICENSE file.
2
3import java.awt.Graphics2D;
4import java.awt.image.BufferedImage;
5import java.io.BufferedReader;
6import java.io.IOException;
7import java.io.OutputStream;
8import java.io.StringWriter;
9import java.io.UncheckedIOException;
10import java.io.Writer;
11import java.nio.file.Files;
12import java.nio.file.Path;
13import java.nio.file.Paths;
14import java.time.Instant;
15import java.time.ZoneId;
16import java.time.format.DateTimeFormatter;
17import java.util.ArrayList;
18import java.util.Arrays;
19import java.util.Collection;
20import java.util.Collections;
21import java.util.EnumSet;
22import java.util.List;
23import java.util.Locale;
24import java.util.Optional;
25import java.util.Set;
26import java.util.stream.Collectors;
27
28import javax.imageio.ImageIO;
29import javax.json.Json;
30import javax.json.JsonArrayBuilder;
31import javax.json.JsonObjectBuilder;
32import javax.json.JsonWriter;
33import javax.json.stream.JsonGenerator;
34
35import org.openstreetmap.josm.actions.DeleteAction;
36import org.openstreetmap.josm.command.DeleteCommand;
37import org.openstreetmap.josm.data.Preferences;
38import org.openstreetmap.josm.data.Version;
39import org.openstreetmap.josm.data.coor.LatLon;
40import org.openstreetmap.josm.data.osm.Node;
41import org.openstreetmap.josm.data.osm.OsmPrimitive;
42import org.openstreetmap.josm.data.osm.Tag;
43import org.openstreetmap.josm.data.osm.Way;
44import org.openstreetmap.josm.data.osm.visitor.paint.MapPaintSettings;
45import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer;
46import org.openstreetmap.josm.data.preferences.JosmBaseDirectories;
47import org.openstreetmap.josm.data.preferences.JosmUrls;
48import org.openstreetmap.josm.data.preferences.sources.ExtendedSourceEntry;
49import org.openstreetmap.josm.data.preferences.sources.SourceEntry;
50import org.openstreetmap.josm.data.projection.ProjectionRegistry;
51import org.openstreetmap.josm.data.projection.Projections;
52import org.openstreetmap.josm.gui.NavigatableComponent;
53import org.openstreetmap.josm.gui.mappaint.Cascade;
54import org.openstreetmap.josm.gui.mappaint.Environment;
55import org.openstreetmap.josm.gui.mappaint.MapPaintStyles;
56import org.openstreetmap.josm.gui.mappaint.MultiCascade;
57import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory;
58import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule;
59import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource;
60import org.openstreetmap.josm.gui.mappaint.mapcss.Selector;
61import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.MapCSSParser;
62import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException;
63import org.openstreetmap.josm.gui.mappaint.styleelement.AreaElement;
64import org.openstreetmap.josm.gui.mappaint.styleelement.LineElement;
65import org.openstreetmap.josm.gui.mappaint.styleelement.StyleElement;
66import org.openstreetmap.josm.gui.preferences.map.TaggingPresetPreference;
67import org.openstreetmap.josm.gui.tagging.presets.TaggingPreset;
68import org.openstreetmap.josm.gui.tagging.presets.TaggingPresetReader;
69import org.openstreetmap.josm.gui.tagging.presets.TaggingPresetType;
70import org.openstreetmap.josm.gui.tagging.presets.items.KeyedItem;
71import org.openstreetmap.josm.io.CachedFile;
72import org.openstreetmap.josm.io.OsmTransferException;
73import org.openstreetmap.josm.spi.preferences.Config;
74import org.openstreetmap.josm.tools.Http1Client;
75import org.openstreetmap.josm.tools.HttpClient;
76import org.openstreetmap.josm.tools.Logging;
77import org.openstreetmap.josm.tools.OptionParser;
78import org.openstreetmap.josm.tools.RightAndLefthandTraffic;
79import org.openstreetmap.josm.tools.Territories;
80import org.openstreetmap.josm.tools.Utils;
81import org.xml.sax.SAXException;
82
83/**
84 * Extracts tag information for the taginfo project.
85 * <p>
86 * Run from the base directory of a JOSM checkout:
87 * <p>
88 * java -cp dist/josm-custom.jar TagInfoExtract --type mappaint
89 * java -cp dist/josm-custom.jar TagInfoExtract --type presets
90 * java -cp dist/josm-custom.jar TagInfoExtract --type external_presets
91 */
92public class TagInfoExtract {
93
94 /**
95 * Main method.
96 * @param args Main program arguments
97 * @throws Exception if any error occurs
98 */
99 public static void main(String[] args) throws Exception {
100 HttpClient.setFactory(Http1Client::new);
101 TagInfoExtract script = new TagInfoExtract();
102 script.parseCommandLineArguments(args);
103 script.init();
104 switch (script.options.mode) {
105 case MAPPAINT:
106 script.new StyleSheet().run();
107 break;
108 case PRESETS:
109 script.new Presets().run();
110 break;
111 case EXTERNAL_PRESETS:
112 script.new ExternalPresets().run();
113 break;
114 default:
115 throw new IllegalStateException("Invalid type " + script.options.mode);
116 }
117 if (!script.options.noexit) {
118 System.exit(0);
119 }
120 }
121
122 enum Mode {
123 MAPPAINT, PRESETS, EXTERNAL_PRESETS
124 }
125
126 private final Options options = new Options();
127
128 /**
129 * Parse command line arguments.
130 * @param args command line arguments
131 */
132 private void parseCommandLineArguments(String[] args) {
133 if (args.length == 1 && "--help".equals(args[0])) {
134 this.usage();
135 }
136 final OptionParser parser = new OptionParser(getClass().getName());
137 parser.addArgumentParameter("type", OptionParser.OptionCount.REQUIRED, options::setMode);
138 parser.addArgumentParameter("input", OptionParser.OptionCount.OPTIONAL, options::setInputFile);
139 parser.addArgumentParameter("output", OptionParser.OptionCount.OPTIONAL, options::setOutputFile);
140 parser.addArgumentParameter("imgdir", OptionParser.OptionCount.OPTIONAL, options::setImageDir);
141 parser.addArgumentParameter("imgurlprefix", OptionParser.OptionCount.OPTIONAL, options::setImageUrlPrefix);
142 parser.addFlagParameter("noexit", options::setNoExit);
143 parser.addFlagParameter("help", this::usage);
144 parser.parseOptionsOrExit(Arrays.asList(args));
145 }
146
147 private void usage() {
148 System.out.println("java " + getClass().getName());
149 System.out.println(" --type TYPE\tthe project type to be generated: " + Arrays.toString(Mode.values()));
150 System.out.println(" --input FILE\tthe input file to use (overrides defaults for types mappaint, presets)");
151 System.out.println(" --output FILE\tthe output file to use (defaults to STDOUT)");
152 System.out.println(" --imgdir DIRECTORY\tthe directory to put the generated images in (default: " + options.imageDir + ")");
153 System.out.println(" --imgurlprefix STRING\timage URLs prefix for generated image files (public path on webserver)");
154 System.out.println(" --noexit\tdo not call System.exit(), for use from Ant script");
155 System.out.println(" --help\tshow this help");
156 System.exit(0);
157 }
158
159 private static class Options {
160 Mode mode;
161 int josmSvnRevision = Version.getInstance().getVersion();
162 Path baseDir = Paths.get("");
163 Path imageDir = Paths.get("taginfo-img");
164 String imageUrlPrefix;
165 CachedFile inputFile;
166 Path outputFile;
167 boolean noexit;
168
169 void setMode(String value) {
170 mode = Mode.valueOf(value.toUpperCase(Locale.ENGLISH));
171 switch (mode) {
172 case MAPPAINT:
173 inputFile = new CachedFile("resource://styles/standard/elemstyles.mapcss");
174 break;
175 case PRESETS:
176 inputFile = new CachedFile("resource://data/defaultpresets.xml");
177 break;
178 default:
179 inputFile = null;
180 }
181 }
182
183 void setInputFile(String value) {
184 inputFile = new CachedFile(value);
185 }
186
187 void setOutputFile(String value) {
188 outputFile = Paths.get(value);
189 }
190
191 void setImageDir(String value) {
192 imageDir = Paths.get(value);
193 }
194
195 void setImageUrlPrefix(String value) {
196 imageUrlPrefix = value;
197 }
198
199 void setNoExit() {
200 noexit = true;
201 }
202
203 /**
204 * Determine full image url (can refer to JOSM or OSM repository).
205 * @param path the image path
206 * @return full image url
207 */
208 private String findImageUrl(String path) {
209 final Path f = baseDir.resolve("images").resolve(path);
210 if (Files.exists(f)) {
211 return "https://josm.openstreetmap.de/export/" + josmSvnRevision + "/josm/trunk/images/" + path;
212 }
213 throw new IllegalStateException("Cannot find image url for " + path);
214 }
215 }
216
217 private abstract class Extractor {
218 abstract void run() throws Exception;
219
220 void writeJson(String name, String description, Iterable<TagInfoTag> tags) throws IOException {
221 try (Writer writer = options.outputFile != null ? Files.newBufferedWriter(options.outputFile) : new StringWriter();
222 JsonWriter json = Json
223 .createWriterFactory(Collections.singletonMap(JsonGenerator.PRETTY_PRINTING, true))
224 .createWriter(writer)) {
225 JsonObjectBuilder project = Json.createObjectBuilder()
226 .add("name", name)
227 .add("description", description)
228 .add("project_url", "https://josm.openstreetmap.de/")
229 .add("icon_url", "https://josm.openstreetmap.de/export/7770/josm/trunk/images/logo_16x16x8.png")
230 .add("contact_name", "JOSM developer team")
231 .add("contact_email", "josm-dev@openstreetmap.org");
232 final JsonArrayBuilder jsonTags = Json.createArrayBuilder();
233 for (TagInfoTag t : tags) {
234 jsonTags.add(t.toJson());
235 }
236 json.writeObject(Json.createObjectBuilder()
237 .add("data_format", 1)
238 .add("data_updated", DateTimeFormatter.ofPattern("yyyyMMdd'T'hhmmss'Z'").withZone(ZoneId.of("Z")).format(Instant.now()))
239 .add("project", project)
240 .add("tags", jsonTags)
241 .build());
242 if (options.outputFile == null) {
243 System.out.println(writer.toString());
244 }
245 }
246 }
247
248 }
249
250 private class Presets extends Extractor {
251
252 @Override
253 void run() throws IOException, OsmTransferException, SAXException {
254 try (BufferedReader reader = options.inputFile.getContentReader()) {
255 Collection<TaggingPreset> presets = TaggingPresetReader.readAll(reader, true);
256 List<TagInfoTag> tags = convertPresets(presets, "", true);
257 writeJson("JOSM main presets", "Tags supported by the default presets in the OSM editor JOSM", tags);
258 }
259 }
260
261 List<TagInfoTag> convertPresets(Iterable<TaggingPreset> presets, String descriptionPrefix, boolean addImages) {
262 final List<TagInfoTag> tags = new ArrayList<>();
263 for (TaggingPreset preset : presets) {
264 for (KeyedItem item : Utils.filteredCollection(preset.data, KeyedItem.class)) {
265 final Iterable<String> values = item.isKeyRequired()
266 ? item.getValues()
267 : Collections.emptyList();
268 for (String value : values) {
269 final Set<TagInfoTag.Type> types = preset.types == null ? Collections.emptySet() : preset.types.stream()
270 .map(it -> TaggingPresetType.CLOSEDWAY.equals(it)
271 ? TagInfoTag.Type.AREA
272 : TaggingPresetType.MULTIPOLYGON.equals(it)
273 ? TagInfoTag.Type.RELATION
274 : TagInfoTag.Type.valueOf(it.toString()))
275 .collect(Collectors.toCollection(() -> EnumSet.noneOf(TagInfoTag.Type.class)));
276 tags.add(new TagInfoTag(descriptionPrefix + preset.getName(), item.key, value, types,
277 addImages && preset.iconName != null ? options.findImageUrl(preset.iconName) : null));
278 }
279 }
280 }
281 return tags;
282 }
283
284 }
285
286 private class ExternalPresets extends Presets {
287
288 @Override
289 void run() throws IOException, OsmTransferException, SAXException {
290 TaggingPresetReader.setLoadIcons(false);
291 final Collection<ExtendedSourceEntry> sources = new TaggingPresetPreference.TaggingPresetSourceEditor().loadAndGetAvailableSources();
292 final List<TagInfoTag> tags = new ArrayList<>();
293 for (SourceEntry source : sources) {
294 if (source.url.startsWith("resource")) {
295 // default presets
296 continue;
297 }
298 try {
299 System.out.println("Loading " + source.url);
300 Collection<TaggingPreset> presets = TaggingPresetReader.readAll(source.url, false);
301 final List<TagInfoTag> t = convertPresets(presets, source.title + " ", false);
302 System.out.println("Converting " + t.size() + " presets of " + source.title);
303 tags.addAll(t);
304 } catch (Exception ex) {
305 System.err.println("Skipping " + source.url + " due to error");
306 ex.printStackTrace();
307 }
308
309 }
310 writeJson("JOSM user presets", "Tags supported by the user contributed presets in the OSM editor JOSM", tags);
311 }
312 }
313
314 private class StyleSheet extends Extractor {
315 private MapCSSStyleSource styleSource;
316
317 @Override
318 void run() throws IOException, ParseException {
319 init();
320 parseStyleSheet();
321 final List<TagInfoTag> tags = convertStyleSheet();
322 writeJson("JOSM main mappaint style", "Tags supported by the main mappaint style in the OSM editor JOSM", tags);
323 }
324
325 /**
326 * Read the style sheet file and parse the MapCSS code.
327 * @throws IOException if any I/O error occurs
328 * @throws ParseException in case of parsing error
329 */
330 private void parseStyleSheet() throws IOException, ParseException {
331 try (BufferedReader reader = options.inputFile.getContentReader()) {
332 MapCSSParser parser = new MapCSSParser(reader, MapCSSParser.LexicalState.DEFAULT);
333 styleSource = new MapCSSStyleSource("");
334 styleSource.url = "";
335 parser.sheet(styleSource);
336 }
337 }
338
339 /**
340 * Collect all the tag from the style sheet.
341 * @return list of taginfo tags
342 */
343 private List<TagInfoTag> convertStyleSheet() {
344 return styleSource.rules.stream()
345 .map(rule -> rule.selector)
346 .filter(Selector.GeneralSelector.class::isInstance)
347 .map(Selector.GeneralSelector.class::cast)
348 .map(Selector.AbstractSelector::getConditions)
349 .flatMap(Collection::stream)
350 .filter(ConditionFactory.SimpleKeyValueCondition.class::isInstance)
351 .map(ConditionFactory.SimpleKeyValueCondition.class::cast)
352 .map(condition -> condition.asTag(null))
353 .distinct()
354 .map(tag -> {
355 String iconUrl = null;
356 final EnumSet<TagInfoTag.Type> types = EnumSet.noneOf(TagInfoTag.Type.class);
357 Optional<String> nodeUrl = new NodeChecker(tag).findUrl(true);
358 if (nodeUrl.isPresent()) {
359 iconUrl = nodeUrl.get();
360 types.add(TagInfoTag.Type.NODE);
361 }
362 Optional<String> wayUrl = new WayChecker(tag).findUrl(iconUrl == null);
363 if (wayUrl.isPresent()) {
364 if (iconUrl == null) {
365 iconUrl = wayUrl.get();
366 }
367 types.add(TagInfoTag.Type.WAY);
368 }
369 Optional<String> areaUrl = new AreaChecker(tag).findUrl(iconUrl == null);
370 if (areaUrl.isPresent()) {
371 if (iconUrl == null) {
372 iconUrl = areaUrl.get();
373 }
374 types.add(TagInfoTag.Type.AREA);
375 }
376 return new TagInfoTag(null, tag.getKey(), tag.getValue(), types, iconUrl);
377 })
378 .collect(Collectors.toList());
379 }
380
381 /**
382 * Check if a certain tag is supported by the style as node / way / area.
383 */
384 private abstract class Checker {
385 Checker(Tag tag) {
386 this.tag = tag;
387 }
388
389 Environment applyStylesheet(OsmPrimitive osm) {
390 osm.put(tag);
391 MultiCascade mc = new MultiCascade();
392
393 Environment env = new Environment(osm, mc, null, styleSource);
394 for (MapCSSRule r : styleSource.rules) {
395 env.clearSelectorMatchingInformation();
396 if (r.matches(env)) {
397 // ignore selector range
398 if (env.layer == null) {
399 env.layer = "default";
400 }
401 r.execute(env);
402 }
403 }
404 env.layer = "default";
405 return env;
406 }
407
408 /**
409 * Create image file from StyleElement.
410 * @param element style element
411 * @param type object type
412 * @param nc navigatable component
413 *
414 * @return the URL
415 */
416 String createImage(StyleElement element, final String type, NavigatableComponent nc) {
417 BufferedImage img = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB);
418 Graphics2D g = img.createGraphics();
419 g.setClip(0, 0, 16, 16);
420 StyledMapRenderer renderer = new StyledMapRenderer(g, nc, false);
421 renderer.getSettings(false);
422 element.paintPrimitive(osm, MapPaintSettings.INSTANCE, renderer, false, false, false);
423 final String imageName = type + "_" + tag + ".png";
424 try (OutputStream out = Files.newOutputStream(options.imageDir.resolve(imageName))) {
425 ImageIO.write(img, "png", out);
426 } catch (IOException e) {
427 throw new UncheckedIOException(e);
428 }
429 final String baseUrl = options.imageUrlPrefix != null ? options.imageUrlPrefix : options.imageDir.toString();
430 return baseUrl + "/" + imageName;
431 }
432
433 /**
434 * Checks, if tag is supported and find URL for image icon in this case.
435 *
436 * @param generateImage if true, create or find a suitable image icon and return URL,
437 * if false, just check if tag is supported and return true or false
438 * @return URL for image icon if tag is supported
439 */
440 abstract Optional<String> findUrl(boolean generateImage);
441
442 protected Tag tag;
443 protected OsmPrimitive osm;
444 }
445
446 private class NodeChecker extends Checker {
447 NodeChecker(Tag tag) {
448 super(tag);
449 }
450
451 @Override
452 Optional<String> findUrl(boolean generateImage) {
453 this.osm = new Node(LatLon.ZERO);
454 Environment env = applyStylesheet(osm);
455 Cascade c = env.mc.getCascade("default");
456 Object image = c.get("icon-image");
457 if (image instanceof MapPaintStyles.IconReference && !((MapPaintStyles.IconReference) image).isDeprecatedIcon()) {
458 return Optional.of(options.findImageUrl(((MapPaintStyles.IconReference) image).iconName));
459 }
460 return Optional.empty();
461 }
462
463 }
464
465 private class WayChecker extends Checker {
466 WayChecker(Tag tag) {
467 super(tag);
468 }
469
470 @Override
471 Optional<String> findUrl(boolean generateImage) {
472 this.osm = new Way();
473 NavigatableComponent nc = new NavigatableComponent();
474 Node n1 = new Node(nc.getLatLon(2, 8));
475 Node n2 = new Node(nc.getLatLon(14, 8));
476 ((Way) osm).addNode(n1);
477 ((Way) osm).addNode(n2);
478 Environment env = applyStylesheet(osm);
479 LineElement les = LineElement.createLine(env);
480 if (les != null) {
481 if (!generateImage) return Optional.of("");
482 return Optional.of(createImage(les, "way", nc));
483 }
484 return Optional.empty();
485 }
486
487 }
488
489 private class AreaChecker extends Checker {
490 AreaChecker(Tag tag) {
491 super(tag);
492 }
493
494 @Override
495 Optional<String> findUrl(boolean generateImage) {
496 this.osm = new Way();
497 NavigatableComponent nc = new NavigatableComponent();
498 Node n1 = new Node(nc.getLatLon(2, 2));
499 Node n2 = new Node(nc.getLatLon(14, 2));
500 Node n3 = new Node(nc.getLatLon(14, 14));
501 Node n4 = new Node(nc.getLatLon(2, 14));
502 ((Way) osm).addNode(n1);
503 ((Way) osm).addNode(n2);
504 ((Way) osm).addNode(n3);
505 ((Way) osm).addNode(n4);
506 ((Way) osm).addNode(n1);
507 Environment env = applyStylesheet(osm);
508 AreaElement aes = AreaElement.create(env);
509 if (aes != null) {
510 if (!generateImage) return Optional.of("");
511 return Optional.of(createImage(aes, "area", nc));
512 }
513 return Optional.empty();
514 }
515 }
516 }
517
518 /**
519 * POJO representing a <a href="https://wiki.openstreetmap.org/wiki/Taginfo/Projects">Taginfo tag</a>.
520 */
521 private static class TagInfoTag {
522 final String description;
523 final String key;
524 final String value;
525 final Set<Type> objectTypes;
526 final String iconURL;
527
528 TagInfoTag(String description, String key, String value, Set<Type> objectTypes, String iconURL) {
529 this.description = description;
530 this.key = key;
531 this.value = value;
532 this.objectTypes = objectTypes;
533 this.iconURL = iconURL;
534 }
535
536 JsonObjectBuilder toJson() {
537 final JsonObjectBuilder object = Json.createObjectBuilder();
538 if (description != null) {
539 object.add("description", description);
540 }
541 object.add("key", key);
542 object.add("value", value);
543 if ((!objectTypes.isEmpty())) {
544 final JsonArrayBuilder types = Json.createArrayBuilder();
545 objectTypes.stream().map(Enum::name).map(String::toLowerCase).forEach(types::add);
546 object.add("object_types", types);
547 }
548 if (iconURL != null) {
549 object.add("icon_url", iconURL);
550 }
551 return object;
552 }
553
554 enum Type {
555 NODE, WAY, AREA, RELATION
556 }
557 }
558
559 /**
560 * Initialize the script.
561 * @throws IOException if any I/O error occurs
562 */
563 private void init() throws IOException {
564 Logging.setLogLevel(Logging.LEVEL_INFO);
565 Preferences.main().enableSaveOnPut(false);
566 Config.setPreferencesInstance(Preferences.main());
567 Config.setBaseDirectoriesProvider(JosmBaseDirectories.getInstance());
568 Config.setUrlsProvider(JosmUrls.getInstance());
569 ProjectionRegistry.setProjection(Projections.getProjectionByCode("EPSG:3857"));
570 Path tmpdir = Files.createTempDirectory(options.baseDir, "pref");
571 tmpdir.toFile().deleteOnExit();
572 System.setProperty("josm.home", tmpdir.toString());
573 DeleteCommand.setDeletionCallback(DeleteAction.defaultDeletionCallback);
574 Territories.initialize();
575 RightAndLefthandTraffic.initialize();
576 Files.createDirectories(options.imageDir);
577 }
578}
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