source: josm/trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java@ 7489

Last change on this file since 7489 was 7417, checked in by Don-vip, 10 years ago

fix #10380 - throw IllegalDataException instead of RuntimeException with invalid TagChecker rules
File size: 28.8 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.SequenceCommand;
31import org.openstreetmap.josm.data.osm.OsmPrimitive;
32import org.openstreetmap.josm.data.osm.OsmUtils;
33import org.openstreetmap.josm.data.osm.Tag;
34import org.openstreetmap.josm.data.validation.FixableTestError;
35import org.openstreetmap.josm.data.validation.Severity;
36import org.openstreetmap.josm.data.validation.Test;
37import org.openstreetmap.josm.data.validation.TestError;
38import org.openstreetmap.josm.gui.mappaint.Environment;
39import org.openstreetmap.josm.gui.mappaint.MultiCascade;
40import org.openstreetmap.josm.gui.mappaint.mapcss.Condition;
41import org.openstreetmap.josm.gui.mappaint.mapcss.Expression;
42import org.openstreetmap.josm.gui.mappaint.mapcss.Instruction;
43import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule;
44import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule.Declaration;
45import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource;
46import org.openstreetmap.josm.gui.mappaint.mapcss.Selector;
47import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector;
48import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.MapCSSParser;
49import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException;
50import org.openstreetmap.josm.gui.preferences.SourceEntry;
51import org.openstreetmap.josm.gui.preferences.validator.ValidatorPreference;
52import org.openstreetmap.josm.gui.preferences.validator.ValidatorTagCheckerRulesPreference;
53import org.openstreetmap.josm.io.CachedFile;
54import org.openstreetmap.josm.io.IllegalDataException;
55import org.openstreetmap.josm.io.UTFInputStreamReader;
56import org.openstreetmap.josm.tools.CheckParameterUtil;
57import org.openstreetmap.josm.tools.MultiMap;
58import org.openstreetmap.josm.tools.Predicate;
59import org.openstreetmap.josm.tools.Utils;
60
61/**
62 * MapCSS-based tag checker/fixer.
63 * @since 6506
64 */
65public class MapCSSTagChecker extends Test.TagTest {
66
67 /**
68 * A grouped MapCSSRule with multiple selectors for a single declaration.
69 * @see MapCSSRule
70 */
71 public static class GroupedMapCSSRule {
72 /** MapCSS selectors **/
73 final public List<Selector> selectors;
74 /** MapCSS declaration **/
75 final public Declaration declaration;
76
77 /**
78 * Constructs a new {@code GroupedMapCSSRule}.
79 * @param selectors MapCSS selectors
80 * @param declaration MapCSS declaration
81 */
82 public GroupedMapCSSRule(List<Selector> selectors, Declaration declaration) {
83 this.selectors = selectors;
84 this.declaration = declaration;
85 }
86
87 @Override
88 public int hashCode() {
89 final int prime = 31;
90 int result = 1;
91 result = prime * result + ((declaration == null) ? 0 : declaration.hashCode());
92 result = prime * result + ((selectors == null) ? 0 : selectors.hashCode());
93 return result;
94 }
95
96 @Override
97 public boolean equals(Object obj) {
98 if (this == obj)
99 return true;
100 if (obj == null)
101 return false;
102 if (!(obj instanceof GroupedMapCSSRule))
103 return false;
104 GroupedMapCSSRule other = (GroupedMapCSSRule) obj;
105 if (declaration == null) {
106 if (other.declaration != null)
107 return false;
108 } else if (!declaration.equals(other.declaration))
109 return false;
110 if (selectors == null) {
111 if (other.selectors != null)
112 return false;
113 } else if (!selectors.equals(other.selectors))
114 return false;
115 return true;
116 }
117 }
118
119 /**
120 * The preference key for tag checker source entries.
121 * @since 6670
122 */
123 public static final String ENTRIES_PREF_KEY = "validator." + MapCSSTagChecker.class.getName() + ".entries";
124
125 /**
126 * Constructs a new {@code MapCSSTagChecker}.
127 */
128 public MapCSSTagChecker() {
129 super(tr("Tag checker (MapCSS based)"), tr("This test checks for errors in tag keys and values."));
130 }
131
132 final MultiMap<String, TagCheck> checks = new MultiMap<>();
133
134 static class TagCheck implements Predicate<OsmPrimitive> {
135 protected final GroupedMapCSSRule rule;
136 protected final List<PrimitiveToTag> change = new ArrayList<>();
137 protected final Map<String, String> keyChange = new LinkedHashMap<>();
138 protected final List<String> alternatives = new ArrayList<>();
139 protected final Map<Instruction.AssignmentInstruction, Severity> errors = new HashMap<>();
140 protected final Map<String, Boolean> assertions = new HashMap<>();
141
142 TagCheck(GroupedMapCSSRule rule) {
143 this.rule = rule;
144 }
145
146 /**
147 * A function mapping the matched {@link OsmPrimitive} to a {@link Tag}.
148 */
149 abstract static class PrimitiveToTag implements Utils.Function<OsmPrimitive, Tag> {
150
151 private PrimitiveToTag() {
152 // Hide implicit public constructor for utility class
153 }
154
155 /**
156 * Creates a new mapping from an {@code MapCSS} object.
157 * In case of an {@link Expression}, that is evaluated on the matched {@link OsmPrimitive}.
158 * In case of a {@link String}, that is "compiled" to a {@link Tag} instance.
159 */
160 static PrimitiveToTag ofMapCSSObject(final Object obj, final boolean keyOnly) {
161 if (obj instanceof Expression) {
162 return new PrimitiveToTag() {
163 @Override
164 public Tag apply(OsmPrimitive p) {
165 final String s = (String) ((Expression) obj).evaluate(new Environment().withPrimitive(p));
166 return keyOnly? new Tag(s) : Tag.ofString(s);
167 }
168 };
169 } else if (obj instanceof String) {
170 final Tag tag = keyOnly ? new Tag((String) obj) : Tag.ofString((String) obj);
171 return new PrimitiveToTag() {
172 @Override
173 public Tag apply(OsmPrimitive ignore) {
174 return tag;
175 }
176 };
177 } else {
178 return null;
179 }
180 }
181 }
182
183 static final String POSSIBLE_THROWS = possibleThrows();
184
185 static final String possibleThrows() {
186 StringBuffer sb = new StringBuffer();
187 for (Severity s : Severity.values()) {
188 if (sb.length() > 0) {
189 sb.append('/');
190 }
191 sb.append("throw")
192 .append(s.name().charAt(0))
193 .append(s.name().substring(1).toLowerCase());
194 }
195 return sb.toString();
196 }
197
198 static TagCheck ofMapCSSRule(final GroupedMapCSSRule rule) throws IllegalDataException {
199 final TagCheck check = new TagCheck(rule);
200 boolean containsSetClassExpression = false;
201 for (Instruction i : rule.declaration.instructions) {
202 if (i instanceof Instruction.AssignmentInstruction) {
203 final Instruction.AssignmentInstruction ai = (Instruction.AssignmentInstruction) i;
204 if (ai.isSetInstruction) {
205 containsSetClassExpression = true;
206 continue;
207 }
208 final String val = ai.val instanceof Expression
209 ? (String) ((Expression) ai.val).evaluate(new Environment())
210 : ai.val instanceof String
211 ? (String) ai.val
212 : null;
213 if (ai.key.startsWith("throw")) {
214 try {
215 final Severity severity = Severity.valueOf(ai.key.substring("throw".length()).toUpperCase());
216 check.errors.put(ai, severity);
217 } catch (IllegalArgumentException e) {
218 Main.warn("Unsupported "+ai.key+" instruction. Allowed instructions are "+POSSIBLE_THROWS);
219 }
220 } else if ("fixAdd".equals(ai.key)) {
221 final PrimitiveToTag toTag = PrimitiveToTag.ofMapCSSObject(ai.val, false);
222 if (toTag != null) {
223 check.change.add(toTag);
224 } else {
225 Main.warn("Invalid value for "+ai.key+": "+ai.val);
226 }
227 } else if ("fixRemove".equals(ai.key)) {
228 CheckParameterUtil.ensureThat(!(ai.val instanceof String) || !(val != null && val.contains("=")),
229 "Unexpected '='. Please only specify the key to remove!");
230 final PrimitiveToTag toTag = PrimitiveToTag.ofMapCSSObject(ai.val, true);
231 if (toTag != null) {
232 check.change.add(toTag);
233 } else {
234 Main.warn("Invalid value for "+ai.key+": "+ai.val);
235 }
236 } else if ("fixChangeKey".equals(ai.key) && val != null) {
237 CheckParameterUtil.ensureThat(val.contains("=>"), "Separate old from new key by '=>'!");
238 final String[] x = val.split("=>", 2);
239 check.keyChange.put(Tag.removeWhiteSpaces(x[0]), Tag.removeWhiteSpaces(x[1]));
240 } else if ("suggestAlternative".equals(ai.key) && val != null) {
241 check.alternatives.add(val);
242 } else if ("assertMatch".equals(ai.key) && val != null) {
243 check.assertions.put(val, true);
244 } else if ("assertNoMatch".equals(ai.key) && val != null) {
245 check.assertions.put(val, false);
246 } else {
247 throw new IllegalDataException("Cannot add instruction " + ai.key + ": " + ai.val + "!");
248 }
249 }
250 }
251 if (check.errors.isEmpty() && !containsSetClassExpression) {
252 throw new IllegalDataException("No "+POSSIBLE_THROWS+" given! You should specify a validation error message for " + rule.selectors);
253 } else if (check.errors.size() > 1) {
254 throw new IllegalDataException("More than one "+POSSIBLE_THROWS+" given! You should specify a single validation error message for " + rule.selectors);
255 }
256 return check;
257 }
258
259 static List<TagCheck> readMapCSS(Reader css) throws ParseException {
260 CheckParameterUtil.ensureParameterNotNull(css, "css");
261 return readMapCSS(new MapCSSParser(css));
262 }
263
264 static List<TagCheck> readMapCSS(MapCSSParser css) throws ParseException {
265 CheckParameterUtil.ensureParameterNotNull(css, "css");
266 final MapCSSStyleSource source = new MapCSSStyleSource("");
267 css.sheet(source);
268 assert source.getErrors().isEmpty();
269 // Ignore "meta" rule(s) from external rules of JOSM wiki
270 removeMetaRules(source);
271 // group rules with common declaration block
272 Map<Declaration, List<Selector>> g = new LinkedHashMap<>();
273 for (MapCSSRule rule : source.rules) {
274 if (!g.containsKey(rule.declaration)) {
275 List<Selector> sels = new ArrayList<>();
276 sels.add(rule.selector);
277 g.put(rule.declaration, sels);
278 } else {
279 g.get(rule.declaration).add(rule.selector);
280 }
281 }
282 List<TagCheck> result = new ArrayList<>();
283 for (Map.Entry<Declaration, List<Selector>> map : g.entrySet()) {
284 try {
285 result.add(TagCheck.ofMapCSSRule(
286 new GroupedMapCSSRule(map.getValue(), map.getKey())));
287 } catch (IllegalDataException e) {
288 Main.error("Cannot add MapCss rule: "+e.getMessage());
289 }
290 }
291 return result;
292 }
293
294 private static void removeMetaRules(MapCSSStyleSource source) {
295 for (Iterator<MapCSSRule> it = source.rules.iterator(); it.hasNext(); ) {
296 MapCSSRule x = it.next();
297 if (x.selector instanceof GeneralSelector) {
298 GeneralSelector gs = (GeneralSelector) x.selector;
299 if ("meta".equals(gs.base) && gs.getConditions().isEmpty()) {
300 it.remove();
301 }
302 }
303 }
304 }
305
306 @Override
307 public boolean evaluate(OsmPrimitive primitive) {
308 // Tests whether the primitive contains a deprecated tag which is represented by this MapCSSTagChecker.
309 return whichSelectorMatchesPrimitive(primitive) != null;
310 }
311
312 Selector whichSelectorMatchesPrimitive(OsmPrimitive primitive) {
313 return whichSelectorMatchesEnvironment(new Environment().withPrimitive(primitive));
314 }
315
316 Selector whichSelectorMatchesEnvironment(Environment env) {
317 for (Selector i : rule.selectors) {
318 env.clearSelectorMatchingInformation();
319 if (i.matches(env)) {
320 return i;
321 }
322 }
323 return null;
324 }
325
326 /**
327 * Determines the {@code index}-th key/value/tag (depending on {@code type}) of the
328 * {@link org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector}.
329 */
330 static String determineArgument(Selector.GeneralSelector matchingSelector, int index, String type) {
331 try {
332 final Condition c = matchingSelector.getConditions().get(index);
333 final Tag tag = c instanceof Condition.KeyCondition
334 ? ((Condition.KeyCondition) c).asTag()
335 : c instanceof Condition.SimpleKeyValueCondition
336 ? ((Condition.SimpleKeyValueCondition) c).asTag()
337 : c instanceof Condition.KeyValueCondition
338 ? ((Condition.KeyValueCondition) c).asTag()
339 : null;
340 if (tag == null) {
341 return null;
342 } else if ("key".equals(type)) {
343 return tag.getKey();
344 } else if ("value".equals(type)) {
345 return tag.getValue();
346 } else if ("tag".equals(type)) {
347 return tag.toString();
348 }
349 } catch (IndexOutOfBoundsException ignore) {
350 if (Main.isDebugEnabled()) {
351 Main.debug(ignore.getMessage());
352 }
353 }
354 return null;
355 }
356
357 /**
358 * Replaces occurrences of <code>{i.key}</code>, <code>{i.value}</code>, <code>{i.tag}</code> in {@code s} by the corresponding
359 * key/value/tag of the {@code index}-th {@link Condition} of {@code matchingSelector}.
360 */
361 static String insertArguments(Selector matchingSelector, String s) {
362 if (s != null && matchingSelector instanceof Selector.ChildOrParentSelector) {
363 return insertArguments(((Selector.ChildOrParentSelector)matchingSelector).right, s);
364 } else if (s == null || !(matchingSelector instanceof GeneralSelector)) {
365 return s;
366 }
367 final Matcher m = Pattern.compile("\\{(\\d+)\\.(key|value|tag)\\}").matcher(s);
368 final StringBuffer sb = new StringBuffer();
369 while (m.find()) {
370 final String argument = determineArgument((Selector.GeneralSelector) matchingSelector, Integer.parseInt(m.group(1)), m.group(2));
371 try {
372 // Perform replacement with null-safe + regex-safe handling
373 m.appendReplacement(sb, String.valueOf(argument).replace("^(", "").replace(")$", ""));
374 } catch (IndexOutOfBoundsException | IllegalArgumentException e) {
375 Main.error(tr("Unable to replace argument {0} in {1}: {2}", argument, sb, e.getMessage()));
376 }
377 }
378 m.appendTail(sb);
379 return sb.toString();
380 }
381
382 /**
383 * Constructs a fix in terms of a {@link org.openstreetmap.josm.command.Command} for the {@link OsmPrimitive}
384 * if the error is fixable, or {@code null} otherwise.
385 *
386 * @param p the primitive to construct the fix for
387 * @return the fix or {@code null}
388 */
389 Command fixPrimitive(OsmPrimitive p) {
390 if (change.isEmpty() && keyChange.isEmpty()) {
391 return null;
392 }
393 final Selector matchingSelector = whichSelectorMatchesPrimitive(p);
394 Collection<Command> cmds = new LinkedList<>();
395 for (PrimitiveToTag toTag : change) {
396 final Tag tag = toTag.apply(p);
397 final String key = insertArguments(matchingSelector, tag.getKey());
398 final String value = insertArguments(matchingSelector, tag.getValue());
399 cmds.add(new ChangePropertyCommand(p, key, value));
400 }
401 for (Map.Entry<String, String> i : keyChange.entrySet()) {
402 final String oldKey = insertArguments(matchingSelector, i.getKey());
403 final String newKey = insertArguments(matchingSelector, i.getValue());
404 cmds.add(new ChangePropertyKeyCommand(p, oldKey, newKey));
405 }
406 return new SequenceCommand(tr("Fix of {0}", getDescriptionForMatchingSelector(p, matchingSelector)), cmds);
407 }
408
409 /**
410 * Constructs a (localized) message for this deprecation check.
411 *
412 * @return a message
413 */
414 String getMessage(OsmPrimitive p) {
415 if (errors.isEmpty()) {
416 // Return something to avoid NPEs
417 return rule.declaration.toString();
418 } else {
419 final Object val = errors.keySet().iterator().next().val;
420 return String.valueOf(
421 val instanceof Expression
422 ? ((Expression) val).evaluate(new Environment().withPrimitive(p))
423 : val
424 );
425 }
426 }
427
428 /**
429 * Constructs a (localized) description for this deprecation check.
430 *
431 * @return a description (possibly with alternative suggestions)
432 * @see #getDescriptionForMatchingSelector
433 */
434 String getDescription(OsmPrimitive p) {
435 if (alternatives.isEmpty()) {
436 return getMessage(p);
437 } else {
438 /* I18N: {0} is the test error message and {1} is an alternative */
439 return tr("{0}, use {1} instead", getMessage(p), Utils.join(tr(" or "), alternatives));
440 }
441 }
442
443 /**
444 * Constructs a (localized) description for this deprecation check
445 * where any placeholders are replaced by values of the matched selector.
446 *
447 * @return a description (possibly with alternative suggestions)
448 */
449 String getDescriptionForMatchingSelector(OsmPrimitive p, Selector matchingSelector) {
450 return insertArguments(matchingSelector, getDescription(p));
451 }
452
453 Severity getSeverity() {
454 return errors.isEmpty() ? null : errors.values().iterator().next();
455 }
456
457 @Override
458 public String toString() {
459 return getDescription(null);
460 }
461
462 /**
463 * Constructs a {@link TestError} for the given primitive, or returns null if the primitive does not give rise to an error.
464 *
465 * @param p the primitive to construct the error for
466 * @return an instance of {@link TestError}, or returns null if the primitive does not give rise to an error.
467 */
468 TestError getErrorForPrimitive(OsmPrimitive p) {
469 final Environment env = new Environment().withPrimitive(p);
470 return getErrorForPrimitive(p, whichSelectorMatchesEnvironment(env), env);
471 }
472
473 TestError getErrorForPrimitive(OsmPrimitive p, Selector matchingSelector, Environment env) {
474 if (matchingSelector != null && !errors.isEmpty()) {
475 final Command fix = fixPrimitive(p);
476 final String description = getDescriptionForMatchingSelector(p, matchingSelector);
477 final List<OsmPrimitive> primitives;
478 if (env.child != null) {
479 primitives = Arrays.asList(p, env.child);
480 } else {
481 primitives = Collections.singletonList(p);
482 }
483 if (fix != null) {
484 return new FixableTestError(null, getSeverity(), description, null, matchingSelector.toString(), 3000, primitives, fix);
485 } else {
486 return new TestError(null, getSeverity(), description, null, matchingSelector.toString(), 3000, primitives);
487 }
488 } else {
489 return null;
490 }
491 }
492 }
493
494 static class MapCSSTagCheckerAndRule extends MapCSSTagChecker {
495 public final GroupedMapCSSRule rule;
496
497 MapCSSTagCheckerAndRule(GroupedMapCSSRule rule) {
498 this.rule = rule;
499 }
500
501 @Override
502 public boolean equals(Object obj) {
503 return super.equals(obj)
504 || (obj instanceof TagCheck && rule.equals(((TagCheck) obj).rule))
505 || (obj instanceof GroupedMapCSSRule && rule.equals(obj));
506 }
507
508 @Override
509 public int hashCode() {
510 final int prime = 31;
511 int result = super.hashCode();
512 result = prime * result + ((rule == null) ? 0 : rule.hashCode());
513 return result;
514 }
515 }
516
517 /**
518 * Obtains all {@link TestError}s for the {@link OsmPrimitive} {@code p}.
519 * @param p The OSM primitive
520 * @param includeOtherSeverity if {@code true}, errors of severity {@link Severity#OTHER} (info) will also be returned
521 * @return all errors for the given primitive, with or without those of "info" severity
522 */
523 public synchronized Collection<TestError> getErrorsForPrimitive(OsmPrimitive p, boolean includeOtherSeverity) {
524 final ArrayList<TestError> r = new ArrayList<>();
525 final Environment env = new Environment(p, new MultiCascade(), Environment.DEFAULT_LAYER, null);
526 for (Set<TagCheck> schecks : checks.values()) {
527 for (TagCheck check : schecks) {
528 if (Severity.OTHER.equals(check.getSeverity()) && !includeOtherSeverity) {
529 continue;
530 }
531 final Selector selector = check.whichSelectorMatchesEnvironment(env);
532 if (selector != null) {
533 check.rule.declaration.execute(env);
534 final TestError error = check.getErrorForPrimitive(p, selector, env);
535 if (error != null) {
536 error.setTester(new MapCSSTagCheckerAndRule(check.rule));
537 r.add(error);
538 }
539 }
540 }
541 }
542 return r;
543 }
544
545 /**
546 * Visiting call for primitives.
547 *
548 * @param p The primitive to inspect.
549 */
550 @Override
551 public void check(OsmPrimitive p) {
552 errors.addAll(getErrorsForPrimitive(p, ValidatorPreference.PREF_OTHER.get()));
553 }
554
555 /**
556 * Adds a new MapCSS config file from the given URL.
557 * @param url The unique URL of the MapCSS config file
558 * @throws ParseException if the config file does not match MapCSS syntax
559 * @throws IOException if any I/O error occurs
560 * @since 7275
561 */
562 public synchronized void addMapCSS(String url) throws ParseException, IOException {
563 CheckParameterUtil.ensureParameterNotNull(url, "url");
564 CachedFile cache = new CachedFile(url);
565 try (InputStream s = cache.getInputStream()) {
566 List<TagCheck> tagchecks = TagCheck.readMapCSS(new BufferedReader(UTFInputStreamReader.create(s)));
567 checks.remove(url);
568 checks.putAll(url, tagchecks);
569 // Check assertions, useful for development of local files
570 if (Main.pref.getBoolean("validator.check_assert_local_rules", false) && Utils.isLocalUrl(url)) {
571 for (String msg : checkAsserts(tagchecks)) {
572 Main.warn(msg);
573 }
574 }
575 }
576 }
577
578 @Override
579 public synchronized void initialize() throws Exception {
580 checks.clear();
581 for (SourceEntry source : new ValidatorTagCheckerRulesPreference.RulePrefHelper().get()) {
582 if (!source.active) {
583 continue;
584 }
585 String i = source.url;
586 try {
587 if (!i.startsWith("resource:")) {
588 Main.info(tr("Adding {0} to tag checker", i));
589 } else if (Main.isDebugEnabled()) {
590 Main.debug(tr("Adding {0} to tag checker", i));
591 }
592 addMapCSS(i);
593 if (Main.pref.getBoolean("validator.auto_reload_local_rules", true) && source.isLocal()) {
594 try {
595 Main.fileWatcher.registerValidatorRule(source);
596 } catch (IOException e) {
597 Main.error(e);
598 }
599 }
600 } catch (IOException ex) {
601 Main.warn(tr("Failed to add {0} to tag checker", i));
602 Main.warn(ex, false);
603 } catch (Exception ex) {
604 Main.warn(tr("Failed to add {0} to tag checker", i));
605 Main.warn(ex);
606 }
607 }
608 }
609
610 /**
611 * Checks that rule assertions are met for the given set of TagChecks.
612 * @param schecks The TagChecks for which assertions have to be checked
613 * @return A set of error messages, empty if all assertions are met
614 * @since 7356
615 */
616 public Set<String> checkAsserts(final Collection<TagCheck> schecks) {
617 Set<String> assertionErrors = new LinkedHashSet<>();
618 for (final TagCheck check : schecks) {
619 if (Main.isDebugEnabled()) {
620 Main.debug("Check: "+check);
621 }
622 for (final Map.Entry<String, Boolean> i : check.assertions.entrySet()) {
623 if (Main.isDebugEnabled()) {
624 Main.debug("- Assertion: "+i);
625 }
626 final OsmPrimitive p = OsmUtils.createPrimitive(i.getKey());
627 final boolean isError = Utils.exists(getErrorsForPrimitive(p, true), new Predicate<TestError>() {
628 @Override
629 public boolean evaluate(TestError e) {
630 //noinspection EqualsBetweenInconvertibleTypes
631 return e.getTester().equals(check.rule);
632 }
633 });
634 if (isError != i.getValue()) {
635 final String error = MessageFormat.format("Expecting test ''{0}'' (i.e., {1}) to {2} {3} (i.e., {4})",
636 check.getMessage(p), check.rule.selectors, i.getValue() ? "match" : "not match", i.getKey(), p.getKeys());
637 assertionErrors.add(error);
638 }
639 }
640 }
641 return assertionErrors;
642 }
643
644 @Override
645 public synchronized int hashCode() {
646 final int prime = 31;
647 int result = super.hashCode();
648 result = prime * result + ((checks == null) ? 0 : checks.hashCode());
649 return result;
650 }
651
652 @Override
653 public synchronized boolean equals(Object obj) {
654 if (this == obj)
655 return true;
656 if (!super.equals(obj))
657 return false;
658 if (!(obj instanceof MapCSSTagChecker))
659 return false;
660 MapCSSTagChecker other = (MapCSSTagChecker) obj;
661 if (checks == null) {
662 if (other.checks != null)
663 return false;
664 } else if (!checks.equals(other.checks))
665 return false;
666 return true;
667 }
668}
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