source: josm/trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java@ 7713

Last change on this file since 7713 was 7713, checked in by Don-vip, 9 years ago

fix #10710 - No zipfile support for custom validator rules
File size: 29.5 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.data.validation.tests;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.io.BufferedReader;
7import java.io.IOException;
8import java.io.InputStream;
9import java.io.Reader;
10import java.text.MessageFormat;
11import java.util.ArrayList;
12import java.util.Arrays;
13import java.util.Collection;
14import java.util.Collections;
15import java.util.HashMap;
16import java.util.Iterator;
17import java.util.LinkedHashMap;
18import java.util.LinkedHashSet;
19import java.util.LinkedList;
20import java.util.List;
21import java.util.Map;
22import java.util.Set;
23import java.util.regex.Matcher;
24import java.util.regex.Pattern;
25
26import org.openstreetmap.josm.Main;
27import org.openstreetmap.josm.command.ChangePropertyCommand;
28import org.openstreetmap.josm.command.ChangePropertyKeyCommand;
29import org.openstreetmap.josm.command.Command;
30import org.openstreetmap.josm.command.DeleteCommand;
31import org.openstreetmap.josm.command.SequenceCommand;
32import org.openstreetmap.josm.data.osm.OsmPrimitive;
33import org.openstreetmap.josm.data.osm.OsmUtils;
34import org.openstreetmap.josm.data.osm.Tag;
35import org.openstreetmap.josm.data.validation.FixableTestError;
36import org.openstreetmap.josm.data.validation.Severity;
37import org.openstreetmap.josm.data.validation.Test;
38import org.openstreetmap.josm.data.validation.TestError;
39import org.openstreetmap.josm.gui.mappaint.Environment;
40import org.openstreetmap.josm.gui.mappaint.Keyword;
41import org.openstreetmap.josm.gui.mappaint.MultiCascade;
42import org.openstreetmap.josm.gui.mappaint.mapcss.Condition;
43import org.openstreetmap.josm.gui.mappaint.mapcss.Expression;
44import org.openstreetmap.josm.gui.mappaint.mapcss.Instruction;
45import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule;
46import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule.Declaration;
47import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource;
48import org.openstreetmap.josm.gui.mappaint.mapcss.Selector;
49import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector;
50import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.MapCSSParser;
51import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException;
52import org.openstreetmap.josm.gui.preferences.SourceEntry;
53import org.openstreetmap.josm.gui.preferences.validator.ValidatorPreference;
54import org.openstreetmap.josm.gui.preferences.validator.ValidatorTagCheckerRulesPreference;
55import org.openstreetmap.josm.io.CachedFile;
56import org.openstreetmap.josm.io.IllegalDataException;
57import org.openstreetmap.josm.io.UTFInputStreamReader;
58import org.openstreetmap.josm.tools.CheckParameterUtil;
59import org.openstreetmap.josm.tools.MultiMap;
60import org.openstreetmap.josm.tools.Predicate;
61import org.openstreetmap.josm.tools.Utils;
62
63/**
64 * MapCSS-based tag checker/fixer.
65 * @since 6506
66 */
67public class MapCSSTagChecker extends Test.TagTest {
68
69 /**
70 * A grouped MapCSSRule with multiple selectors for a single declaration.
71 * @see MapCSSRule
72 */
73 public static class GroupedMapCSSRule {
74 /** MapCSS selectors **/
75 final public List<Selector> selectors;
76 /** MapCSS declaration **/
77 final public Declaration declaration;
78
79 /**
80 * Constructs a new {@code GroupedMapCSSRule}.
81 * @param selectors MapCSS selectors
82 * @param declaration MapCSS declaration
83 */
84 public GroupedMapCSSRule(List<Selector> selectors, Declaration declaration) {
85 this.selectors = selectors;
86 this.declaration = declaration;
87 }
88
89 @Override
90 public int hashCode() {
91 final int prime = 31;
92 int result = 1;
93 result = prime * result + ((declaration == null) ? 0 : declaration.hashCode());
94 result = prime * result + ((selectors == null) ? 0 : selectors.hashCode());
95 return result;
96 }
97
98 @Override
99 public boolean equals(Object obj) {
100 if (this == obj)
101 return true;
102 if (obj == null)
103 return false;
104 if (!(obj instanceof GroupedMapCSSRule))
105 return false;
106 GroupedMapCSSRule other = (GroupedMapCSSRule) obj;
107 if (declaration == null) {
108 if (other.declaration != null)
109 return false;
110 } else if (!declaration.equals(other.declaration))
111 return false;
112 if (selectors == null) {
113 if (other.selectors != null)
114 return false;
115 } else if (!selectors.equals(other.selectors))
116 return false;
117 return true;
118 }
119 }
120
121 /**
122 * The preference key for tag checker source entries.
123 * @since 6670
124 */
125 public static final String ENTRIES_PREF_KEY = "validator." + MapCSSTagChecker.class.getName() + ".entries";
126
127 /**
128 * Constructs a new {@code MapCSSTagChecker}.
129 */
130 public MapCSSTagChecker() {
131 super(tr("Tag checker (MapCSS based)"), tr("This test checks for errors in tag keys and values."));
132 }
133
134 final MultiMap<String, TagCheck> checks = new MultiMap<>();
135
136 static class TagCheck implements Predicate<OsmPrimitive> {
137 protected final GroupedMapCSSRule rule;
138 protected final List<PrimitiveToTag> change = new ArrayList<>();
139 protected final Map<String, String> keyChange = new LinkedHashMap<>();
140 protected final List<String> alternatives = new ArrayList<>();
141 protected final Map<Instruction.AssignmentInstruction, Severity> errors = new HashMap<>();
142 protected final Map<String, Boolean> assertions = new HashMap<>();
143 protected boolean deletion = false;
144
145 TagCheck(GroupedMapCSSRule rule) {
146 this.rule = rule;
147 }
148
149 /**
150 * A function mapping the matched {@link OsmPrimitive} to a {@link Tag}.
151 */
152 abstract static class PrimitiveToTag implements Utils.Function<OsmPrimitive, Tag> {
153
154 private PrimitiveToTag() {
155 // Hide implicit public constructor for utility class
156 }
157
158 /**
159 * Creates a new mapping from an {@code MapCSS} object.
160 * In case of an {@link Expression}, that is evaluated on the matched {@link OsmPrimitive}.
161 * In case of a {@link String}, that is "compiled" to a {@link Tag} instance.
162 */
163 static PrimitiveToTag ofMapCSSObject(final Object obj, final boolean keyOnly) {
164 if (obj instanceof Expression) {
165 return new PrimitiveToTag() {
166 @Override
167 public Tag apply(OsmPrimitive p) {
168 final String s = (String) ((Expression) obj).evaluate(new Environment().withPrimitive(p));
169 return keyOnly? new Tag(s) : Tag.ofString(s);
170 }
171 };
172 } else if (obj instanceof String) {
173 final Tag tag = keyOnly ? new Tag((String) obj) : Tag.ofString((String) obj);
174 return new PrimitiveToTag() {
175 @Override
176 public Tag apply(OsmPrimitive ignore) {
177 return tag;
178 }
179 };
180 } else {
181 return null;
182 }
183 }
184 }
185
186 static final String POSSIBLE_THROWS = possibleThrows();
187
188 static final String possibleThrows() {
189 StringBuffer sb = new StringBuffer();
190 for (Severity s : Severity.values()) {
191 if (sb.length() > 0) {
192 sb.append('/');
193 }
194 sb.append("throw")
195 .append(s.name().charAt(0))
196 .append(s.name().substring(1).toLowerCase());
197 }
198 return sb.toString();
199 }
200
201 static TagCheck ofMapCSSRule(final GroupedMapCSSRule rule) throws IllegalDataException {
202 final TagCheck check = new TagCheck(rule);
203 boolean containsSetClassExpression = false;
204 for (Instruction i : rule.declaration.instructions) {
205 if (i instanceof Instruction.AssignmentInstruction) {
206 final Instruction.AssignmentInstruction ai = (Instruction.AssignmentInstruction) i;
207 if (ai.isSetInstruction) {
208 containsSetClassExpression = true;
209 continue;
210 }
211 final String val = ai.val instanceof Expression
212 ? (String) ((Expression) ai.val).evaluate(new Environment())
213 : ai.val instanceof String
214 ? (String) ai.val
215 : ai.val instanceof Keyword
216 ? ((Keyword) ai.val).val
217 : null;
218 if (ai.key.startsWith("throw")) {
219 try {
220 final Severity severity = Severity.valueOf(ai.key.substring("throw".length()).toUpperCase());
221 check.errors.put(ai, severity);
222 } catch (IllegalArgumentException e) {
223 Main.warn("Unsupported "+ai.key+" instruction. Allowed instructions are "+POSSIBLE_THROWS);
224 }
225 } else if ("fixAdd".equals(ai.key)) {
226 final PrimitiveToTag toTag = PrimitiveToTag.ofMapCSSObject(ai.val, false);
227 if (toTag != null) {
228 check.change.add(toTag);
229 } else {
230 Main.warn("Invalid value for "+ai.key+": "+ai.val);
231 }
232 } else if ("fixRemove".equals(ai.key)) {
233 CheckParameterUtil.ensureThat(!(ai.val instanceof String) || !(val != null && val.contains("=")),
234 "Unexpected '='. Please only specify the key to remove!");
235 final PrimitiveToTag toTag = PrimitiveToTag.ofMapCSSObject(ai.val, true);
236 if (toTag != null) {
237 check.change.add(toTag);
238 } else {
239 Main.warn("Invalid value for "+ai.key+": "+ai.val);
240 }
241 } else if ("fixChangeKey".equals(ai.key) && val != null) {
242 CheckParameterUtil.ensureThat(val.contains("=>"), "Separate old from new key by '=>'!");
243 final String[] x = val.split("=>", 2);
244 check.keyChange.put(Tag.removeWhiteSpaces(x[0]), Tag.removeWhiteSpaces(x[1]));
245 } else if ("fixDeleteObject".equals(ai.key) && val != null) {
246 CheckParameterUtil.ensureThat(val.equals("this"), "fixDeleteObject must be followed by 'this'");
247 check.deletion = true;
248 } else if ("suggestAlternative".equals(ai.key) && val != null) {
249 check.alternatives.add(val);
250 } else if ("assertMatch".equals(ai.key) && val != null) {
251 check.assertions.put(val, true);
252 } else if ("assertNoMatch".equals(ai.key) && val != null) {
253 check.assertions.put(val, false);
254 } else {
255 throw new IllegalDataException("Cannot add instruction " + ai.key + ": " + ai.val + "!");
256 }
257 }
258 }
259 if (check.errors.isEmpty() && !containsSetClassExpression) {
260 throw new IllegalDataException("No "+POSSIBLE_THROWS+" given! You should specify a validation error message for " + rule.selectors);
261 } else if (check.errors.size() > 1) {
262 throw new IllegalDataException("More than one "+POSSIBLE_THROWS+" given! You should specify a single validation error message for " + rule.selectors);
263 }
264 return check;
265 }
266
267 static List<TagCheck> readMapCSS(Reader css) throws ParseException {
268 CheckParameterUtil.ensureParameterNotNull(css, "css");
269 return readMapCSS(new MapCSSParser(css));
270 }
271
272 static List<TagCheck> readMapCSS(MapCSSParser css) throws ParseException {
273 CheckParameterUtil.ensureParameterNotNull(css, "css");
274 final MapCSSStyleSource source = new MapCSSStyleSource("");
275 css.sheet(source);
276 assert source.getErrors().isEmpty();
277 // Ignore "meta" rule(s) from external rules of JOSM wiki
278 removeMetaRules(source);
279 // group rules with common declaration block
280 Map<Declaration, List<Selector>> g = new LinkedHashMap<>();
281 for (MapCSSRule rule : source.rules) {
282 if (!g.containsKey(rule.declaration)) {
283 List<Selector> sels = new ArrayList<>();
284 sels.add(rule.selector);
285 g.put(rule.declaration, sels);
286 } else {
287 g.get(rule.declaration).add(rule.selector);
288 }
289 }
290 List<TagCheck> result = new ArrayList<>();
291 for (Map.Entry<Declaration, List<Selector>> map : g.entrySet()) {
292 try {
293 result.add(TagCheck.ofMapCSSRule(
294 new GroupedMapCSSRule(map.getValue(), map.getKey())));
295 } catch (IllegalDataException e) {
296 Main.error("Cannot add MapCss rule: "+e.getMessage());
297 }
298 }
299 return result;
300 }
301
302 private static void removeMetaRules(MapCSSStyleSource source) {
303 for (Iterator<MapCSSRule> it = source.rules.iterator(); it.hasNext(); ) {
304 MapCSSRule x = it.next();
305 if (x.selector instanceof GeneralSelector) {
306 GeneralSelector gs = (GeneralSelector) x.selector;
307 if ("meta".equals(gs.base) && gs.getConditions().isEmpty()) {
308 it.remove();
309 }
310 }
311 }
312 }
313
314 @Override
315 public boolean evaluate(OsmPrimitive primitive) {
316 // Tests whether the primitive contains a deprecated tag which is represented by this MapCSSTagChecker.
317 return whichSelectorMatchesPrimitive(primitive) != null;
318 }
319
320 Selector whichSelectorMatchesPrimitive(OsmPrimitive primitive) {
321 return whichSelectorMatchesEnvironment(new Environment().withPrimitive(primitive));
322 }
323
324 Selector whichSelectorMatchesEnvironment(Environment env) {
325 for (Selector i : rule.selectors) {
326 env.clearSelectorMatchingInformation();
327 if (i.matches(env)) {
328 return i;
329 }
330 }
331 return null;
332 }
333
334 /**
335 * Determines the {@code index}-th key/value/tag (depending on {@code type}) of the
336 * {@link org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector}.
337 */
338 static String determineArgument(Selector.GeneralSelector matchingSelector, int index, String type) {
339 try {
340 final Condition c = matchingSelector.getConditions().get(index);
341 final Tag tag = c instanceof Condition.KeyCondition
342 ? ((Condition.KeyCondition) c).asTag()
343 : c instanceof Condition.SimpleKeyValueCondition
344 ? ((Condition.SimpleKeyValueCondition) c).asTag()
345 : c instanceof Condition.KeyValueCondition
346 ? ((Condition.KeyValueCondition) c).asTag()
347 : null;
348 if (tag == null) {
349 return null;
350 } else if ("key".equals(type)) {
351 return tag.getKey();
352 } else if ("value".equals(type)) {
353 return tag.getValue();
354 } else if ("tag".equals(type)) {
355 return tag.toString();
356 }
357 } catch (IndexOutOfBoundsException ignore) {
358 if (Main.isDebugEnabled()) {
359 Main.debug(ignore.getMessage());
360 }
361 }
362 return null;
363 }
364
365 /**
366 * Replaces occurrences of <code>{i.key}</code>, <code>{i.value}</code>, <code>{i.tag}</code> in {@code s} by the corresponding
367 * key/value/tag of the {@code index}-th {@link Condition} of {@code matchingSelector}.
368 */
369 static String insertArguments(Selector matchingSelector, String s) {
370 if (s != null && matchingSelector instanceof Selector.ChildOrParentSelector) {
371 return insertArguments(((Selector.ChildOrParentSelector)matchingSelector).right, s);
372 } else if (s == null || !(matchingSelector instanceof GeneralSelector)) {
373 return s;
374 }
375 final Matcher m = Pattern.compile("\\{(\\d+)\\.(key|value|tag)\\}").matcher(s);
376 final StringBuffer sb = new StringBuffer();
377 while (m.find()) {
378 final String argument = determineArgument((Selector.GeneralSelector) matchingSelector, Integer.parseInt(m.group(1)), m.group(2));
379 try {
380 // Perform replacement with null-safe + regex-safe handling
381 m.appendReplacement(sb, String.valueOf(argument).replace("^(", "").replace(")$", ""));
382 } catch (IndexOutOfBoundsException | IllegalArgumentException e) {
383 Main.error(tr("Unable to replace argument {0} in {1}: {2}", argument, sb, e.getMessage()));
384 }
385 }
386 m.appendTail(sb);
387 return sb.toString();
388 }
389
390 /**
391 * Constructs a fix in terms of a {@link org.openstreetmap.josm.command.Command} for the {@link OsmPrimitive}
392 * if the error is fixable, or {@code null} otherwise.
393 *
394 * @param p the primitive to construct the fix for
395 * @return the fix or {@code null}
396 */
397 Command fixPrimitive(OsmPrimitive p) {
398 if (change.isEmpty() && keyChange.isEmpty() && !deletion) {
399 return null;
400 }
401 final Selector matchingSelector = whichSelectorMatchesPrimitive(p);
402 Collection<Command> cmds = new LinkedList<>();
403 for (PrimitiveToTag toTag : change) {
404 final Tag tag = toTag.apply(p);
405 final String key = insertArguments(matchingSelector, tag.getKey());
406 final String value = insertArguments(matchingSelector, tag.getValue());
407 cmds.add(new ChangePropertyCommand(p, key, value));
408 }
409 for (Map.Entry<String, String> i : keyChange.entrySet()) {
410 final String oldKey = insertArguments(matchingSelector, i.getKey());
411 final String newKey = insertArguments(matchingSelector, i.getValue());
412 cmds.add(new ChangePropertyKeyCommand(p, oldKey, newKey));
413 }
414 if (deletion) {
415 cmds.add(new DeleteCommand(p));
416 }
417 return new SequenceCommand(tr("Fix of {0}", getDescriptionForMatchingSelector(p, matchingSelector)), cmds);
418 }
419
420 /**
421 * Constructs a (localized) message for this deprecation check.
422 *
423 * @return a message
424 */
425 String getMessage(OsmPrimitive p) {
426 if (errors.isEmpty()) {
427 // Return something to avoid NPEs
428 return rule.declaration.toString();
429 } else {
430 final Object val = errors.keySet().iterator().next().val;
431 return String.valueOf(
432 val instanceof Expression
433 ? ((Expression) val).evaluate(new Environment().withPrimitive(p))
434 : val
435 );
436 }
437 }
438
439 /**
440 * Constructs a (localized) description for this deprecation check.
441 *
442 * @return a description (possibly with alternative suggestions)
443 * @see #getDescriptionForMatchingSelector
444 */
445 String getDescription(OsmPrimitive p) {
446 if (alternatives.isEmpty()) {
447 return getMessage(p);
448 } else {
449 /* I18N: {0} is the test error message and {1} is an alternative */
450 return tr("{0}, use {1} instead", getMessage(p), Utils.join(tr(" or "), alternatives));
451 }
452 }
453
454 /**
455 * Constructs a (localized) description for this deprecation check
456 * where any placeholders are replaced by values of the matched selector.
457 *
458 * @return a description (possibly with alternative suggestions)
459 */
460 String getDescriptionForMatchingSelector(OsmPrimitive p, Selector matchingSelector) {
461 return insertArguments(matchingSelector, getDescription(p));
462 }
463
464 Severity getSeverity() {
465 return errors.isEmpty() ? null : errors.values().iterator().next();
466 }
467
468 @Override
469 public String toString() {
470 return getDescription(null);
471 }
472
473 /**
474 * Constructs a {@link TestError} for the given primitive, or returns null if the primitive does not give rise to an error.
475 *
476 * @param p the primitive to construct the error for
477 * @return an instance of {@link TestError}, or returns null if the primitive does not give rise to an error.
478 */
479 TestError getErrorForPrimitive(OsmPrimitive p) {
480 final Environment env = new Environment().withPrimitive(p);
481 return getErrorForPrimitive(p, whichSelectorMatchesEnvironment(env), env);
482 }
483
484 TestError getErrorForPrimitive(OsmPrimitive p, Selector matchingSelector, Environment env) {
485 if (matchingSelector != null && !errors.isEmpty()) {
486 final Command fix = fixPrimitive(p);
487 final String description = getDescriptionForMatchingSelector(p, matchingSelector);
488 final List<OsmPrimitive> primitives;
489 if (env.child != null) {
490 primitives = Arrays.asList(p, env.child);
491 } else {
492 primitives = Collections.singletonList(p);
493 }
494 if (fix != null) {
495 return new FixableTestError(null, getSeverity(), description, null, matchingSelector.toString(), 3000, primitives, fix);
496 } else {
497 return new TestError(null, getSeverity(), description, null, matchingSelector.toString(), 3000, primitives);
498 }
499 } else {
500 return null;
501 }
502 }
503 }
504
505 static class MapCSSTagCheckerAndRule extends MapCSSTagChecker {
506 public final GroupedMapCSSRule rule;
507
508 MapCSSTagCheckerAndRule(GroupedMapCSSRule rule) {
509 this.rule = rule;
510 }
511
512 @Override
513 public boolean equals(Object obj) {
514 return super.equals(obj)
515 || (obj instanceof TagCheck && rule.equals(((TagCheck) obj).rule))
516 || (obj instanceof GroupedMapCSSRule && rule.equals(obj));
517 }
518
519 @Override
520 public int hashCode() {
521 final int prime = 31;
522 int result = super.hashCode();
523 result = prime * result + ((rule == null) ? 0 : rule.hashCode());
524 return result;
525 }
526 }
527
528 /**
529 * Obtains all {@link TestError}s for the {@link OsmPrimitive} {@code p}.
530 * @param p The OSM primitive
531 * @param includeOtherSeverity if {@code true}, errors of severity {@link Severity#OTHER} (info) will also be returned
532 * @return all errors for the given primitive, with or without those of "info" severity
533 */
534 public synchronized Collection<TestError> getErrorsForPrimitive(OsmPrimitive p, boolean includeOtherSeverity) {
535 final ArrayList<TestError> r = new ArrayList<>();
536 final Environment env = new Environment(p, new MultiCascade(), Environment.DEFAULT_LAYER, null);
537 for (Set<TagCheck> schecks : checks.values()) {
538 for (TagCheck check : schecks) {
539 if (Severity.OTHER.equals(check.getSeverity()) && !includeOtherSeverity) {
540 continue;
541 }
542 final Selector selector = check.whichSelectorMatchesEnvironment(env);
543 if (selector != null) {
544 check.rule.declaration.execute(env);
545 final TestError error = check.getErrorForPrimitive(p, selector, env);
546 if (error != null) {
547 error.setTester(new MapCSSTagCheckerAndRule(check.rule));
548 r.add(error);
549 }
550 }
551 }
552 }
553 return r;
554 }
555
556 /**
557 * Visiting call for primitives.
558 *
559 * @param p The primitive to inspect.
560 */
561 @Override
562 public void check(OsmPrimitive p) {
563 errors.addAll(getErrorsForPrimitive(p, ValidatorPreference.PREF_OTHER.get()));
564 }
565
566 /**
567 * Adds a new MapCSS config file from the given URL.
568 * @param url The unique URL of the MapCSS config file
569 * @throws ParseException if the config file does not match MapCSS syntax
570 * @throws IOException if any I/O error occurs
571 * @since 7275
572 */
573 public synchronized void addMapCSS(String url) throws ParseException, IOException {
574 CheckParameterUtil.ensureParameterNotNull(url, "url");
575 CachedFile cache = new CachedFile(url);
576 InputStream zip = cache.findZipEntryInputStream("validator.mapcss", "");
577 try (InputStream s = zip != null ? zip : cache.getInputStream()) {
578 List<TagCheck> tagchecks = TagCheck.readMapCSS(new BufferedReader(UTFInputStreamReader.create(s)));
579 checks.remove(url);
580 checks.putAll(url, tagchecks);
581 // Check assertions, useful for development of local files
582 if (Main.pref.getBoolean("validator.check_assert_local_rules", false) && Utils.isLocalUrl(url)) {
583 for (String msg : checkAsserts(tagchecks)) {
584 Main.warn(msg);
585 }
586 }
587 }
588 }
589
590 @Override
591 public synchronized void initialize() throws Exception {
592 checks.clear();
593 for (SourceEntry source : new ValidatorTagCheckerRulesPreference.RulePrefHelper().get()) {
594 if (!source.active) {
595 continue;
596 }
597 String i = source.url;
598 try {
599 if (!i.startsWith("resource:")) {
600 Main.info(tr("Adding {0} to tag checker", i));
601 } else if (Main.isDebugEnabled()) {
602 Main.debug(tr("Adding {0} to tag checker", i));
603 }
604 addMapCSS(i);
605 if (Main.pref.getBoolean("validator.auto_reload_local_rules", true) && source.isLocal()) {
606 try {
607 Main.fileWatcher.registerValidatorRule(source);
608 } catch (IOException e) {
609 Main.error(e);
610 }
611 }
612 } catch (IOException ex) {
613 Main.warn(tr("Failed to add {0} to tag checker", i));
614 Main.warn(ex, false);
615 } catch (Exception ex) {
616 Main.warn(tr("Failed to add {0} to tag checker", i));
617 Main.warn(ex);
618 }
619 }
620 }
621
622 /**
623 * Checks that rule assertions are met for the given set of TagChecks.
624 * @param schecks The TagChecks for which assertions have to be checked
625 * @return A set of error messages, empty if all assertions are met
626 * @since 7356
627 */
628 public Set<String> checkAsserts(final Collection<TagCheck> schecks) {
629 Set<String> assertionErrors = new LinkedHashSet<>();
630 for (final TagCheck check : schecks) {
631 if (Main.isDebugEnabled()) {
632 Main.debug("Check: "+check);
633 }
634 for (final Map.Entry<String, Boolean> i : check.assertions.entrySet()) {
635 if (Main.isDebugEnabled()) {
636 Main.debug("- Assertion: "+i);
637 }
638 final OsmPrimitive p = OsmUtils.createPrimitive(i.getKey());
639 final boolean isError = Utils.exists(getErrorsForPrimitive(p, true), new Predicate<TestError>() {
640 @Override
641 public boolean evaluate(TestError e) {
642 //noinspection EqualsBetweenInconvertibleTypes
643 return e.getTester().equals(check.rule);
644 }
645 });
646 if (isError != i.getValue()) {
647 final String error = MessageFormat.format("Expecting test ''{0}'' (i.e., {1}) to {2} {3} (i.e., {4})",
648 check.getMessage(p), check.rule.selectors, i.getValue() ? "match" : "not match", i.getKey(), p.getKeys());
649 assertionErrors.add(error);
650 }
651 }
652 }
653 return assertionErrors;
654 }
655
656 @Override
657 public synchronized int hashCode() {
658 final int prime = 31;
659 int result = super.hashCode();
660 result = prime * result + ((checks == null) ? 0 : checks.hashCode());
661 return result;
662 }
663
664 @Override
665 public synchronized boolean equals(Object obj) {
666 if (this == obj)
667 return true;
668 if (!super.equals(obj))
669 return false;
670 if (!(obj instanceof MapCSSTagChecker))
671 return false;
672 MapCSSTagChecker other = (MapCSSTagChecker) obj;
673 if (checks == null) {
674 if (other.checks != null)
675 return false;
676 } else if (!checks.equals(other.checks))
677 return false;
678 return true;
679 }
680}
Note: See TracBrowser for help on using the repository browser.