1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.gui.mappaint.mapcss;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.awt.Color;
|
---|
7 | import java.io.BufferedReader;
|
---|
8 | import java.io.ByteArrayInputStream;
|
---|
9 | import java.io.File;
|
---|
10 | import java.io.IOException;
|
---|
11 | import java.io.InputStream;
|
---|
12 | import java.io.Reader;
|
---|
13 | import java.io.StringReader;
|
---|
14 | import java.lang.reflect.Field;
|
---|
15 | import java.nio.charset.StandardCharsets;
|
---|
16 | import java.text.MessageFormat;
|
---|
17 | import java.util.ArrayList;
|
---|
18 | import java.util.BitSet;
|
---|
19 | import java.util.Collections;
|
---|
20 | import java.util.HashMap;
|
---|
21 | import java.util.HashSet;
|
---|
22 | import java.util.Iterator;
|
---|
23 | import java.util.List;
|
---|
24 | import java.util.Locale;
|
---|
25 | import java.util.Map;
|
---|
26 | import java.util.Map.Entry;
|
---|
27 | import java.util.NoSuchElementException;
|
---|
28 | import java.util.Set;
|
---|
29 | import java.util.concurrent.locks.ReadWriteLock;
|
---|
30 | import java.util.concurrent.locks.ReentrantReadWriteLock;
|
---|
31 | import java.util.zip.ZipEntry;
|
---|
32 | import java.util.zip.ZipFile;
|
---|
33 |
|
---|
34 | import org.openstreetmap.josm.data.Version;
|
---|
35 | import org.openstreetmap.josm.data.osm.INode;
|
---|
36 | import org.openstreetmap.josm.data.osm.IPrimitive;
|
---|
37 | import org.openstreetmap.josm.data.osm.IRelation;
|
---|
38 | import org.openstreetmap.josm.data.osm.IWay;
|
---|
39 | import org.openstreetmap.josm.data.osm.KeyValueVisitor;
|
---|
40 | import org.openstreetmap.josm.data.osm.Node;
|
---|
41 | import org.openstreetmap.josm.data.osm.OsmUtils;
|
---|
42 | import org.openstreetmap.josm.data.osm.Tagged;
|
---|
43 | import org.openstreetmap.josm.data.preferences.sources.SourceEntry;
|
---|
44 | import org.openstreetmap.josm.gui.mappaint.Cascade;
|
---|
45 | import org.openstreetmap.josm.gui.mappaint.Environment;
|
---|
46 | import org.openstreetmap.josm.gui.mappaint.MultiCascade;
|
---|
47 | import org.openstreetmap.josm.gui.mappaint.Range;
|
---|
48 | import org.openstreetmap.josm.gui.mappaint.StyleKeys;
|
---|
49 | import org.openstreetmap.josm.gui.mappaint.StyleSetting;
|
---|
50 | import org.openstreetmap.josm.gui.mappaint.StyleSetting.BooleanStyleSetting;
|
---|
51 | import org.openstreetmap.josm.gui.mappaint.StyleSource;
|
---|
52 | import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.KeyCondition;
|
---|
53 | import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.KeyMatchType;
|
---|
54 | import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.KeyValueCondition;
|
---|
55 | import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.PseudoClassCondition;
|
---|
56 | import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.SimpleKeyValueCondition;
|
---|
57 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.AbstractSelector;
|
---|
58 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.ChildOrParentSelector;
|
---|
59 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector;
|
---|
60 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.OptimizedGeneralSelector;
|
---|
61 | import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.MapCSSParser;
|
---|
62 | import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException;
|
---|
63 | import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.TokenMgrError;
|
---|
64 | import org.openstreetmap.josm.gui.mappaint.styleelement.LineElement;
|
---|
65 | import org.openstreetmap.josm.io.CachedFile;
|
---|
66 | import org.openstreetmap.josm.io.UTFInputStreamReader;
|
---|
67 | import org.openstreetmap.josm.tools.CheckParameterUtil;
|
---|
68 | import org.openstreetmap.josm.tools.I18n;
|
---|
69 | import org.openstreetmap.josm.tools.JosmRuntimeException;
|
---|
70 | import org.openstreetmap.josm.tools.LanguageInfo;
|
---|
71 | import org.openstreetmap.josm.tools.Logging;
|
---|
72 | import org.openstreetmap.josm.tools.Utils;
|
---|
73 |
|
---|
74 | /**
|
---|
75 | * This is a mappaint style that is based on MapCSS rules.
|
---|
76 | */
|
---|
77 | public class MapCSSStyleSource extends StyleSource {
|
---|
78 |
|
---|
79 | /**
|
---|
80 | * The accepted MIME types sent in the HTTP Accept header.
|
---|
81 | * @since 6867
|
---|
82 | */
|
---|
83 | public static final String MAPCSS_STYLE_MIME_TYPES =
|
---|
84 | "text/x-mapcss, text/mapcss, text/css; q=0.9, text/plain; q=0.8, application/zip, application/octet-stream; q=0.5";
|
---|
85 |
|
---|
86 | /**
|
---|
87 | * all rules in this style file
|
---|
88 | */
|
---|
89 | public final List<MapCSSRule> rules = new ArrayList<>();
|
---|
90 | /**
|
---|
91 | * Rules for nodes
|
---|
92 | */
|
---|
93 | public final MapCSSRuleIndex nodeRules = new MapCSSRuleIndex();
|
---|
94 | /**
|
---|
95 | * Rules for ways without tag area=no
|
---|
96 | */
|
---|
97 | public final MapCSSRuleIndex wayRules = new MapCSSRuleIndex();
|
---|
98 | /**
|
---|
99 | * Rules for ways with tag area=no
|
---|
100 | */
|
---|
101 | public final MapCSSRuleIndex wayNoAreaRules = new MapCSSRuleIndex();
|
---|
102 | /**
|
---|
103 | * Rules for relations that are not multipolygon relations
|
---|
104 | */
|
---|
105 | public final MapCSSRuleIndex relationRules = new MapCSSRuleIndex();
|
---|
106 | /**
|
---|
107 | * Rules for multipolygon relations
|
---|
108 | */
|
---|
109 | public final MapCSSRuleIndex multipolygonRules = new MapCSSRuleIndex();
|
---|
110 | /**
|
---|
111 | * rules to apply canvas properties
|
---|
112 | */
|
---|
113 | public final MapCSSRuleIndex canvasRules = new MapCSSRuleIndex();
|
---|
114 |
|
---|
115 | private Color backgroundColorOverride;
|
---|
116 | private String css;
|
---|
117 | private ZipFile zipFile;
|
---|
118 |
|
---|
119 | /**
|
---|
120 | * This lock prevents concurrent execution of {@link MapCSSRuleIndex#clear() } /
|
---|
121 | * {@link MapCSSRuleIndex#initIndex()} and {@link MapCSSRuleIndex#getRuleCandidates }.
|
---|
122 | *
|
---|
123 | * For efficiency reasons, these methods are synchronized higher up the
|
---|
124 | * stack trace.
|
---|
125 | */
|
---|
126 | public static final ReadWriteLock STYLE_SOURCE_LOCK = new ReentrantReadWriteLock();
|
---|
127 |
|
---|
128 | /**
|
---|
129 | * Set of all supported MapCSS keys.
|
---|
130 | */
|
---|
131 | static final Set<String> SUPPORTED_KEYS = new HashSet<>();
|
---|
132 | static {
|
---|
133 | Field[] declaredFields = StyleKeys.class.getDeclaredFields();
|
---|
134 | for (Field f : declaredFields) {
|
---|
135 | try {
|
---|
136 | SUPPORTED_KEYS.add((String) f.get(null));
|
---|
137 | if (!f.getName().toLowerCase(Locale.ENGLISH).replace('_', '-').equals(f.get(null))) {
|
---|
138 | throw new JosmRuntimeException(f.getName());
|
---|
139 | }
|
---|
140 | } catch (IllegalArgumentException | IllegalAccessException ex) {
|
---|
141 | throw new JosmRuntimeException(ex);
|
---|
142 | }
|
---|
143 | }
|
---|
144 | for (LineElement.LineType lt : LineElement.LineType.values()) {
|
---|
145 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.COLOR);
|
---|
146 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.DASHES);
|
---|
147 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.DASHES_BACKGROUND_COLOR);
|
---|
148 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.DASHES_BACKGROUND_OPACITY);
|
---|
149 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.DASHES_OFFSET);
|
---|
150 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.LINECAP);
|
---|
151 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.LINEJOIN);
|
---|
152 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.MITERLIMIT);
|
---|
153 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.OFFSET);
|
---|
154 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.OPACITY);
|
---|
155 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.REAL_WIDTH);
|
---|
156 | SUPPORTED_KEYS.add(lt.prefix + StyleKeys.WIDTH);
|
---|
157 | }
|
---|
158 | }
|
---|
159 |
|
---|
160 | /**
|
---|
161 | * A collection of {@link MapCSSRule}s, that are indexed by tag key and value.
|
---|
162 | *
|
---|
163 | * Speeds up the process of finding all rules that match a certain primitive.
|
---|
164 | *
|
---|
165 | * Rules with a {@link SimpleKeyValueCondition} [key=value] or rules that require a specific key to be set are
|
---|
166 | * indexed. Now you only need to loop the tags of a primitive to retrieve the possibly matching rules.
|
---|
167 | *
|
---|
168 | * To use this index, you need to {@link #add(MapCSSRule)} all rules to it. You then need to call
|
---|
169 | * {@link #initIndex()}. Afterwards, you can use {@link #getRuleCandidates(IPrimitive)} to get an iterator over
|
---|
170 | * all rules that might be applied to that primitive.
|
---|
171 | */
|
---|
172 | public static class MapCSSRuleIndex {
|
---|
173 | /**
|
---|
174 | * This is an iterator over all rules that are marked as possible in the bitset.
|
---|
175 | *
|
---|
176 | * @author Michael Zangl
|
---|
177 | */
|
---|
178 | private final class RuleCandidatesIterator implements Iterator<MapCSSRule>, KeyValueVisitor {
|
---|
179 | private final BitSet ruleCandidates;
|
---|
180 | private int next;
|
---|
181 |
|
---|
182 | private RuleCandidatesIterator(BitSet ruleCandidates) {
|
---|
183 | this.ruleCandidates = ruleCandidates;
|
---|
184 | }
|
---|
185 |
|
---|
186 | @Override
|
---|
187 | public boolean hasNext() {
|
---|
188 | return next >= 0 && next < rules.size();
|
---|
189 | }
|
---|
190 |
|
---|
191 | @Override
|
---|
192 | public MapCSSRule next() {
|
---|
193 | if (!hasNext())
|
---|
194 | throw new NoSuchElementException();
|
---|
195 | MapCSSRule rule = rules.get(next);
|
---|
196 | next = ruleCandidates.nextSetBit(next + 1);
|
---|
197 | return rule;
|
---|
198 | }
|
---|
199 |
|
---|
200 | @Override
|
---|
201 | public void remove() {
|
---|
202 | throw new UnsupportedOperationException();
|
---|
203 | }
|
---|
204 |
|
---|
205 | @Override
|
---|
206 | public void visitKeyValue(Tagged p, String key, String value) {
|
---|
207 | MapCSSKeyRules v = index.get(key);
|
---|
208 | if (v != null) {
|
---|
209 | BitSet rs = v.get(value);
|
---|
210 | ruleCandidates.or(rs);
|
---|
211 | }
|
---|
212 | }
|
---|
213 |
|
---|
214 | /**
|
---|
215 | * Call this before using the iterator.
|
---|
216 | */
|
---|
217 | public void prepare() {
|
---|
218 | next = ruleCandidates.nextSetBit(0);
|
---|
219 | }
|
---|
220 | }
|
---|
221 |
|
---|
222 | /**
|
---|
223 | * This is a map of all rules that are only applied if the primitive has a given key (and possibly value)
|
---|
224 | *
|
---|
225 | * @author Michael Zangl
|
---|
226 | */
|
---|
227 | private static final class MapCSSKeyRules {
|
---|
228 | /**
|
---|
229 | * The indexes of rules that might be applied if this tag is present and the value has no special handling.
|
---|
230 | */
|
---|
231 | BitSet generalRules = new BitSet();
|
---|
232 |
|
---|
233 | /**
|
---|
234 | * A map that sores the indexes of rules that might be applied if the key=value pair is present on this
|
---|
235 | * primitive. This includes all key=* rules.
|
---|
236 | */
|
---|
237 | Map<String, BitSet> specialRules = new HashMap<>();
|
---|
238 |
|
---|
239 | public void addForKey(int ruleIndex) {
|
---|
240 | generalRules.set(ruleIndex);
|
---|
241 | for (BitSet r : specialRules.values()) {
|
---|
242 | r.set(ruleIndex);
|
---|
243 | }
|
---|
244 | }
|
---|
245 |
|
---|
246 | public void addForKeyAndValue(String value, int ruleIndex) {
|
---|
247 | BitSet forValue = specialRules.get(value);
|
---|
248 | if (forValue == null) {
|
---|
249 | forValue = new BitSet();
|
---|
250 | forValue.or(generalRules);
|
---|
251 | specialRules.put(value.intern(), forValue);
|
---|
252 | }
|
---|
253 | forValue.set(ruleIndex);
|
---|
254 | }
|
---|
255 |
|
---|
256 | public BitSet get(String value) {
|
---|
257 | BitSet forValue = specialRules.get(value);
|
---|
258 | if (forValue != null) return forValue; else return generalRules;
|
---|
259 | }
|
---|
260 | }
|
---|
261 |
|
---|
262 | /**
|
---|
263 | * All rules this index is for. Once this index is built, this list is sorted.
|
---|
264 | */
|
---|
265 | private final List<MapCSSRule> rules = new ArrayList<>();
|
---|
266 | /**
|
---|
267 | * All rules that only apply when the given key is present.
|
---|
268 | */
|
---|
269 | private final Map<String, MapCSSKeyRules> index = new HashMap<>();
|
---|
270 | /**
|
---|
271 | * Rules that do not require any key to be present. Only the index in the {@link #rules} array is stored.
|
---|
272 | */
|
---|
273 | private final BitSet remaining = new BitSet();
|
---|
274 |
|
---|
275 | /**
|
---|
276 | * Add a rule to this index. This needs to be called before {@link #initIndex()} is called.
|
---|
277 | * @param rule The rule to add.
|
---|
278 | */
|
---|
279 | public void add(MapCSSRule rule) {
|
---|
280 | rules.add(rule);
|
---|
281 | }
|
---|
282 |
|
---|
283 | /**
|
---|
284 | * Initialize the index.
|
---|
285 | * <p>
|
---|
286 | * You must own the write lock of STYLE_SOURCE_LOCK when calling this method.
|
---|
287 | */
|
---|
288 | public void initIndex() {
|
---|
289 | Collections.sort(rules);
|
---|
290 | for (int ruleIndex = 0; ruleIndex < rules.size(); ruleIndex++) {
|
---|
291 | MapCSSRule r = rules.get(ruleIndex);
|
---|
292 | // find the rightmost selector, this must be a GeneralSelector
|
---|
293 | Selector selRightmost = r.selector;
|
---|
294 | while (selRightmost instanceof ChildOrParentSelector) {
|
---|
295 | selRightmost = ((ChildOrParentSelector) selRightmost).right;
|
---|
296 | }
|
---|
297 | OptimizedGeneralSelector s = (OptimizedGeneralSelector) selRightmost;
|
---|
298 | if (s.conds == null) {
|
---|
299 | remaining.set(ruleIndex);
|
---|
300 | continue;
|
---|
301 | }
|
---|
302 | List<SimpleKeyValueCondition> sk = new ArrayList<>(Utils.filteredCollection(s.conds,
|
---|
303 | SimpleKeyValueCondition.class));
|
---|
304 | if (!sk.isEmpty()) {
|
---|
305 | SimpleKeyValueCondition c = sk.get(sk.size() - 1);
|
---|
306 | getEntryInIndex(c.k).addForKeyAndValue(c.v, ruleIndex);
|
---|
307 | } else {
|
---|
308 | String key = findAnyRequiredKey(s.conds);
|
---|
309 | if (key != null) {
|
---|
310 | getEntryInIndex(key).addForKey(ruleIndex);
|
---|
311 | } else {
|
---|
312 | remaining.set(ruleIndex);
|
---|
313 | }
|
---|
314 | }
|
---|
315 | }
|
---|
316 | }
|
---|
317 |
|
---|
318 | /**
|
---|
319 | * Search for any key that condition might depend on.
|
---|
320 | *
|
---|
321 | * @param conds The conditions to search through.
|
---|
322 | * @return An arbitrary key this rule depends on or <code>null</code> if there is no such key.
|
---|
323 | */
|
---|
324 | private static String findAnyRequiredKey(List<Condition> conds) {
|
---|
325 | String key = null;
|
---|
326 | for (Condition c : conds) {
|
---|
327 | if (c instanceof KeyCondition) {
|
---|
328 | KeyCondition keyCondition = (KeyCondition) c;
|
---|
329 | if (!keyCondition.negateResult && conditionRequiresKeyPresence(keyCondition.matchType)) {
|
---|
330 | key = keyCondition.label;
|
---|
331 | }
|
---|
332 | } else if (c instanceof KeyValueCondition) {
|
---|
333 | KeyValueCondition keyValueCondition = (KeyValueCondition) c;
|
---|
334 | if (keyValueCondition.requiresExactKeyMatch()) {
|
---|
335 | key = keyValueCondition.k;
|
---|
336 | }
|
---|
337 | }
|
---|
338 | }
|
---|
339 | return key;
|
---|
340 | }
|
---|
341 |
|
---|
342 | private static boolean conditionRequiresKeyPresence(KeyMatchType matchType) {
|
---|
343 | return matchType != KeyMatchType.REGEX;
|
---|
344 | }
|
---|
345 |
|
---|
346 | private MapCSSKeyRules getEntryInIndex(String key) {
|
---|
347 | MapCSSKeyRules rulesWithMatchingKey = index.get(key);
|
---|
348 | if (rulesWithMatchingKey == null) {
|
---|
349 | rulesWithMatchingKey = new MapCSSKeyRules();
|
---|
350 | index.put(key.intern(), rulesWithMatchingKey);
|
---|
351 | }
|
---|
352 | return rulesWithMatchingKey;
|
---|
353 | }
|
---|
354 |
|
---|
355 | /**
|
---|
356 | * Get a subset of all rules that might match the primitive. Rules not included in the result are guaranteed to
|
---|
357 | * not match this primitive.
|
---|
358 | * <p>
|
---|
359 | * You must have a read lock of STYLE_SOURCE_LOCK when calling this method.
|
---|
360 | *
|
---|
361 | * @param osm the primitive to match
|
---|
362 | * @return An iterator over possible rules in the right order.
|
---|
363 | * @since 13810 (signature)
|
---|
364 | */
|
---|
365 | public Iterator<MapCSSRule> getRuleCandidates(IPrimitive osm) {
|
---|
366 | final BitSet ruleCandidates = new BitSet(rules.size());
|
---|
367 | ruleCandidates.or(remaining);
|
---|
368 |
|
---|
369 | final RuleCandidatesIterator candidatesIterator = new RuleCandidatesIterator(ruleCandidates);
|
---|
370 | osm.visitKeys(candidatesIterator);
|
---|
371 | candidatesIterator.prepare();
|
---|
372 | return candidatesIterator;
|
---|
373 | }
|
---|
374 |
|
---|
375 | /**
|
---|
376 | * Clear the index.
|
---|
377 | * <p>
|
---|
378 | * You must own the write lock STYLE_SOURCE_LOCK when calling this method.
|
---|
379 | */
|
---|
380 | public void clear() {
|
---|
381 | rules.clear();
|
---|
382 | index.clear();
|
---|
383 | remaining.clear();
|
---|
384 | }
|
---|
385 | }
|
---|
386 |
|
---|
387 | /**
|
---|
388 | * Constructs a new, active {@link MapCSSStyleSource}.
|
---|
389 | * @param url URL that {@link org.openstreetmap.josm.io.CachedFile} understands
|
---|
390 | * @param name The name for this StyleSource
|
---|
391 | * @param shortdescription The title for that source.
|
---|
392 | */
|
---|
393 | public MapCSSStyleSource(String url, String name, String shortdescription) {
|
---|
394 | super(url, name, shortdescription);
|
---|
395 | }
|
---|
396 |
|
---|
397 | /**
|
---|
398 | * Constructs a new {@link MapCSSStyleSource}
|
---|
399 | * @param entry The entry to copy the data (url, name, ...) from.
|
---|
400 | */
|
---|
401 | public MapCSSStyleSource(SourceEntry entry) {
|
---|
402 | super(entry);
|
---|
403 | }
|
---|
404 |
|
---|
405 | /**
|
---|
406 | * <p>Creates a new style source from the MapCSS styles supplied in
|
---|
407 | * {@code css}</p>
|
---|
408 | *
|
---|
409 | * @param css the MapCSS style declaration. Must not be null.
|
---|
410 | * @throws IllegalArgumentException if {@code css} is null
|
---|
411 | */
|
---|
412 | public MapCSSStyleSource(String css) {
|
---|
413 | super(null, null, null);
|
---|
414 | CheckParameterUtil.ensureParameterNotNull(css);
|
---|
415 | this.css = css;
|
---|
416 | }
|
---|
417 |
|
---|
418 | @Override
|
---|
419 | public void loadStyleSource(boolean metadataOnly) {
|
---|
420 | STYLE_SOURCE_LOCK.writeLock().lock();
|
---|
421 | try {
|
---|
422 | init();
|
---|
423 | rules.clear();
|
---|
424 | nodeRules.clear();
|
---|
425 | wayRules.clear();
|
---|
426 | wayNoAreaRules.clear();
|
---|
427 | relationRules.clear();
|
---|
428 | multipolygonRules.clear();
|
---|
429 | canvasRules.clear();
|
---|
430 | try (InputStream in = getSourceInputStream()) {
|
---|
431 | try (Reader reader = new BufferedReader(UTFInputStreamReader.create(in))) {
|
---|
432 | // evaluate @media { ... } blocks
|
---|
433 | MapCSSParser preprocessor = new MapCSSParser(reader, MapCSSParser.LexicalState.PREPROCESSOR);
|
---|
434 | String mapcss = preprocessor.pp_root(this);
|
---|
435 |
|
---|
436 | // do the actual mapcss parsing
|
---|
437 | Reader in2 = new StringReader(mapcss);
|
---|
438 | MapCSSParser parser = new MapCSSParser(in2, MapCSSParser.LexicalState.DEFAULT);
|
---|
439 | parser.sheet(this);
|
---|
440 |
|
---|
441 | loadMeta();
|
---|
442 | if (!metadataOnly) {
|
---|
443 | loadCanvas();
|
---|
444 | loadSettings();
|
---|
445 | }
|
---|
446 | // remove "areaStyle" pseudo classes intended only for validator (causes StackOverflowError otherwise)
|
---|
447 | removeAreaStyleClasses();
|
---|
448 | } finally {
|
---|
449 | closeSourceInputStream(in);
|
---|
450 | }
|
---|
451 | } catch (IOException | IllegalArgumentException e) {
|
---|
452 | Logging.warn(tr("Failed to load Mappaint styles from ''{0}''. Exception was: {1}", url, e.toString()));
|
---|
453 | Logging.log(Logging.LEVEL_ERROR, e);
|
---|
454 | logError(e);
|
---|
455 | } catch (TokenMgrError e) {
|
---|
456 | Logging.warn(tr("Failed to parse Mappaint styles from ''{0}''. Error was: {1}", url, e.getMessage()));
|
---|
457 | Logging.error(e);
|
---|
458 | logError(e);
|
---|
459 | } catch (ParseException e) {
|
---|
460 | Logging.warn(tr("Failed to parse Mappaint styles from ''{0}''. Error was: {1}", url, e.getMessage()));
|
---|
461 | Logging.error(e);
|
---|
462 | logError(new ParseException(e.getMessage())); // allow e to be garbage collected, it links to the entire token stream
|
---|
463 | }
|
---|
464 | if (metadataOnly) {
|
---|
465 | return;
|
---|
466 | }
|
---|
467 | // optimization: filter rules for different primitive types
|
---|
468 | for (MapCSSRule r: rules) {
|
---|
469 | // find the rightmost selector, this must be a GeneralSelector
|
---|
470 | Selector selRightmost = r.selector;
|
---|
471 | while (selRightmost instanceof ChildOrParentSelector) {
|
---|
472 | selRightmost = ((ChildOrParentSelector) selRightmost).right;
|
---|
473 | }
|
---|
474 | MapCSSRule optRule = new MapCSSRule(r.selector.optimizedBaseCheck(), r.declaration);
|
---|
475 | final String base = ((GeneralSelector) selRightmost).getBase();
|
---|
476 | switch (base) {
|
---|
477 | case Selector.BASE_NODE:
|
---|
478 | nodeRules.add(optRule);
|
---|
479 | break;
|
---|
480 | case Selector.BASE_WAY:
|
---|
481 | wayNoAreaRules.add(optRule);
|
---|
482 | wayRules.add(optRule);
|
---|
483 | break;
|
---|
484 | case Selector.BASE_AREA:
|
---|
485 | wayRules.add(optRule);
|
---|
486 | multipolygonRules.add(optRule);
|
---|
487 | break;
|
---|
488 | case Selector.BASE_RELATION:
|
---|
489 | relationRules.add(optRule);
|
---|
490 | multipolygonRules.add(optRule);
|
---|
491 | break;
|
---|
492 | case Selector.BASE_ANY:
|
---|
493 | nodeRules.add(optRule);
|
---|
494 | wayRules.add(optRule);
|
---|
495 | wayNoAreaRules.add(optRule);
|
---|
496 | relationRules.add(optRule);
|
---|
497 | multipolygonRules.add(optRule);
|
---|
498 | break;
|
---|
499 | case Selector.BASE_CANVAS:
|
---|
500 | canvasRules.add(r);
|
---|
501 | break;
|
---|
502 | case Selector.BASE_META:
|
---|
503 | case Selector.BASE_SETTING:
|
---|
504 | break;
|
---|
505 | default:
|
---|
506 | final RuntimeException e = new JosmRuntimeException(MessageFormat.format("Unknown MapCSS base selector {0}", base));
|
---|
507 | Logging.warn(tr("Failed to parse Mappaint styles from ''{0}''. Error was: {1}", url, e.getMessage()));
|
---|
508 | Logging.error(e);
|
---|
509 | logError(e);
|
---|
510 | }
|
---|
511 | }
|
---|
512 | nodeRules.initIndex();
|
---|
513 | wayRules.initIndex();
|
---|
514 | wayNoAreaRules.initIndex();
|
---|
515 | relationRules.initIndex();
|
---|
516 | multipolygonRules.initIndex();
|
---|
517 | canvasRules.initIndex();
|
---|
518 | loaded = true;
|
---|
519 | } finally {
|
---|
520 | STYLE_SOURCE_LOCK.writeLock().unlock();
|
---|
521 | }
|
---|
522 | }
|
---|
523 |
|
---|
524 | @Override
|
---|
525 | public InputStream getSourceInputStream() throws IOException {
|
---|
526 | if (css != null) {
|
---|
527 | return new ByteArrayInputStream(css.getBytes(StandardCharsets.UTF_8));
|
---|
528 | }
|
---|
529 | CachedFile cf = getCachedFile();
|
---|
530 | if (isZip) {
|
---|
531 | File file = cf.getFile();
|
---|
532 | zipFile = new ZipFile(file, StandardCharsets.UTF_8);
|
---|
533 | zipIcons = file;
|
---|
534 | I18n.addTexts(zipIcons);
|
---|
535 | ZipEntry zipEntry = zipFile.getEntry(zipEntryPath);
|
---|
536 | return zipFile.getInputStream(zipEntry);
|
---|
537 | } else {
|
---|
538 | zipFile = null;
|
---|
539 | zipIcons = null;
|
---|
540 | return cf.getInputStream();
|
---|
541 | }
|
---|
542 | }
|
---|
543 |
|
---|
544 | @Override
|
---|
545 | @SuppressWarnings("resource")
|
---|
546 | public CachedFile getCachedFile() throws IOException {
|
---|
547 | return new CachedFile(url).setHttpAccept(MAPCSS_STYLE_MIME_TYPES); // NOSONAR
|
---|
548 | }
|
---|
549 |
|
---|
550 | @Override
|
---|
551 | public void closeSourceInputStream(InputStream is) {
|
---|
552 | super.closeSourceInputStream(is);
|
---|
553 | if (isZip) {
|
---|
554 | Utils.close(zipFile);
|
---|
555 | }
|
---|
556 | }
|
---|
557 |
|
---|
558 | /**
|
---|
559 | * load meta info from a selector "meta"
|
---|
560 | */
|
---|
561 | private void loadMeta() {
|
---|
562 | Cascade c = constructSpecial(Selector.BASE_META);
|
---|
563 | String pTitle = c.get("title", null, String.class);
|
---|
564 | if (title == null) {
|
---|
565 | title = pTitle;
|
---|
566 | }
|
---|
567 | String pIcon = c.get("icon", null, String.class);
|
---|
568 | if (icon == null) {
|
---|
569 | icon = pIcon;
|
---|
570 | }
|
---|
571 | }
|
---|
572 |
|
---|
573 | private void loadCanvas() {
|
---|
574 | Cascade c = constructSpecial(Selector.BASE_CANVAS);
|
---|
575 | backgroundColorOverride = c.get("fill-color", null, Color.class);
|
---|
576 | }
|
---|
577 |
|
---|
578 | private void loadSettings() {
|
---|
579 | settings.clear();
|
---|
580 | settingValues.clear();
|
---|
581 | MultiCascade mc = new MultiCascade();
|
---|
582 | Node n = new Node();
|
---|
583 | String code = LanguageInfo.getJOSMLocaleCode();
|
---|
584 | n.put("lang", code);
|
---|
585 | // create a fake environment to read the meta data block
|
---|
586 | Environment env = new Environment(n, mc, "default", this);
|
---|
587 |
|
---|
588 | for (MapCSSRule r : rules) {
|
---|
589 | if (r.selector instanceof GeneralSelector) {
|
---|
590 | GeneralSelector gs = (GeneralSelector) r.selector;
|
---|
591 | if (Selector.BASE_SETTING.equals(gs.getBase())) {
|
---|
592 | if (!gs.matchesConditions(env)) {
|
---|
593 | continue;
|
---|
594 | }
|
---|
595 | env.layer = null;
|
---|
596 | env.layer = gs.getSubpart().getId(env);
|
---|
597 | r.execute(env);
|
---|
598 | }
|
---|
599 | }
|
---|
600 | }
|
---|
601 | for (Entry<String, Cascade> e : mc.getLayers()) {
|
---|
602 | if ("default".equals(e.getKey())) {
|
---|
603 | Logging.warn("setting requires layer identifier e.g. 'setting::my_setting {...}'");
|
---|
604 | continue;
|
---|
605 | }
|
---|
606 | Cascade c = e.getValue();
|
---|
607 | String type = c.get("type", null, String.class);
|
---|
608 | StyleSetting set = null;
|
---|
609 | if ("boolean".equals(type)) {
|
---|
610 | set = BooleanStyleSetting.create(c, this, e.getKey());
|
---|
611 | } else {
|
---|
612 | Logging.warn("Unknown setting type: "+type);
|
---|
613 | }
|
---|
614 | if (set != null) {
|
---|
615 | settings.add(set);
|
---|
616 | settingValues.put(e.getKey(), set.getValue());
|
---|
617 | }
|
---|
618 | }
|
---|
619 | settings.sort(null);
|
---|
620 | }
|
---|
621 |
|
---|
622 | private Cascade constructSpecial(String type) {
|
---|
623 |
|
---|
624 | MultiCascade mc = new MultiCascade();
|
---|
625 | Node n = new Node();
|
---|
626 | String code = LanguageInfo.getJOSMLocaleCode();
|
---|
627 | n.put("lang", code);
|
---|
628 | // create a fake environment to read the meta data block
|
---|
629 | Environment env = new Environment(n, mc, "default", this);
|
---|
630 |
|
---|
631 | for (MapCSSRule r : rules) {
|
---|
632 | if (r.selector instanceof GeneralSelector) {
|
---|
633 | GeneralSelector gs = (GeneralSelector) r.selector;
|
---|
634 | if (gs.getBase().equals(type)) {
|
---|
635 | if (!gs.matchesConditions(env)) {
|
---|
636 | continue;
|
---|
637 | }
|
---|
638 | r.execute(env);
|
---|
639 | }
|
---|
640 | }
|
---|
641 | }
|
---|
642 | return mc.getCascade("default");
|
---|
643 | }
|
---|
644 |
|
---|
645 | @Override
|
---|
646 | public Color getBackgroundColorOverride() {
|
---|
647 | return backgroundColorOverride;
|
---|
648 | }
|
---|
649 |
|
---|
650 | @Override
|
---|
651 | public void apply(MultiCascade mc, IPrimitive osm, double scale, boolean pretendWayIsClosed) {
|
---|
652 | MapCSSRuleIndex matchingRuleIndex;
|
---|
653 | if (osm instanceof INode) {
|
---|
654 | matchingRuleIndex = nodeRules;
|
---|
655 | } else if (osm instanceof IWay) {
|
---|
656 | if (OsmUtils.isFalse(osm.get("area"))) {
|
---|
657 | matchingRuleIndex = wayNoAreaRules;
|
---|
658 | } else {
|
---|
659 | matchingRuleIndex = wayRules;
|
---|
660 | }
|
---|
661 | } else if (osm instanceof IRelation) {
|
---|
662 | if (((IRelation<?>) osm).isMultipolygon()) {
|
---|
663 | matchingRuleIndex = multipolygonRules;
|
---|
664 | } else if (osm.hasKey("#canvas")) {
|
---|
665 | matchingRuleIndex = canvasRules;
|
---|
666 | } else {
|
---|
667 | matchingRuleIndex = relationRules;
|
---|
668 | }
|
---|
669 | } else {
|
---|
670 | throw new IllegalArgumentException("Unsupported type: " + osm);
|
---|
671 | }
|
---|
672 |
|
---|
673 | Environment env = new Environment(osm, mc, null, this);
|
---|
674 | // the declaration indices are sorted, so it suffices to save the last used index
|
---|
675 | int lastDeclUsed = -1;
|
---|
676 |
|
---|
677 | Iterator<MapCSSRule> candidates = matchingRuleIndex.getRuleCandidates(osm);
|
---|
678 | while (candidates.hasNext()) {
|
---|
679 | MapCSSRule r = candidates.next();
|
---|
680 | env.clearSelectorMatchingInformation();
|
---|
681 | env.layer = r.selector.getSubpart().getId(env);
|
---|
682 | String sub = env.layer;
|
---|
683 | if (r.selector.matches(env)) { // as side effect env.parent will be set (if s is a child selector)
|
---|
684 | Selector s = r.selector;
|
---|
685 | if (s.getRange().contains(scale)) {
|
---|
686 | mc.range = Range.cut(mc.range, s.getRange());
|
---|
687 | } else {
|
---|
688 | mc.range = mc.range.reduceAround(scale, s.getRange());
|
---|
689 | continue;
|
---|
690 | }
|
---|
691 |
|
---|
692 | if (r.declaration.idx == lastDeclUsed)
|
---|
693 | continue; // don't apply one declaration more than once
|
---|
694 | lastDeclUsed = r.declaration.idx;
|
---|
695 | if ("*".equals(sub)) {
|
---|
696 | for (Entry<String, Cascade> entry : mc.getLayers()) {
|
---|
697 | env.layer = entry.getKey();
|
---|
698 | if ("*".equals(env.layer)) {
|
---|
699 | continue;
|
---|
700 | }
|
---|
701 | r.execute(env);
|
---|
702 | }
|
---|
703 | }
|
---|
704 | env.layer = sub;
|
---|
705 | r.execute(env);
|
---|
706 | }
|
---|
707 | }
|
---|
708 | }
|
---|
709 |
|
---|
710 | /**
|
---|
711 | * Evaluate a supports condition
|
---|
712 | * @param feature The feature to evaluate for
|
---|
713 | * @param val The additional parameter passed to evaluate
|
---|
714 | * @return <code>true</code> if JSOM supports that feature
|
---|
715 | */
|
---|
716 | public boolean evalSupportsDeclCondition(String feature, Object val) {
|
---|
717 | if (feature == null) return false;
|
---|
718 | if (SUPPORTED_KEYS.contains(feature)) return true;
|
---|
719 | switch (feature) {
|
---|
720 | case "user-agent":
|
---|
721 | String s = Cascade.convertTo(val, String.class);
|
---|
722 | return "josm".equals(s);
|
---|
723 | case "min-josm-version":
|
---|
724 | Float min = Cascade.convertTo(val, Float.class);
|
---|
725 | return min != null && Math.round(min) <= Version.getInstance().getVersion();
|
---|
726 | case "max-josm-version":
|
---|
727 | Float max = Cascade.convertTo(val, Float.class);
|
---|
728 | return max != null && Math.round(max) >= Version.getInstance().getVersion();
|
---|
729 | default:
|
---|
730 | return false;
|
---|
731 | }
|
---|
732 | }
|
---|
733 |
|
---|
734 | /**
|
---|
735 | * Removes "meta" rules. Not needed for validator.
|
---|
736 | * @since 13633
|
---|
737 | */
|
---|
738 | public void removeMetaRules() {
|
---|
739 | for (Iterator<MapCSSRule> it = rules.iterator(); it.hasNext();) {
|
---|
740 | MapCSSRule x = it.next();
|
---|
741 | if (x.selector instanceof GeneralSelector) {
|
---|
742 | GeneralSelector gs = (GeneralSelector) x.selector;
|
---|
743 | if (Selector.BASE_META.equals(gs.base)) {
|
---|
744 | it.remove();
|
---|
745 | }
|
---|
746 | }
|
---|
747 | }
|
---|
748 | }
|
---|
749 |
|
---|
750 | /**
|
---|
751 | * Removes "areaStyle" pseudo-classes. Only needed for validator.
|
---|
752 | * @since 13633
|
---|
753 | */
|
---|
754 | public void removeAreaStyleClasses() {
|
---|
755 | for (Iterator<MapCSSRule> it = rules.iterator(); it.hasNext();) {
|
---|
756 | removeAreaStyleClasses(it.next().selector);
|
---|
757 | }
|
---|
758 | }
|
---|
759 |
|
---|
760 | private static void removeAreaStyleClasses(Selector sel) {
|
---|
761 | if (sel instanceof ChildOrParentSelector) {
|
---|
762 | removeAreaStyleClasses((ChildOrParentSelector) sel);
|
---|
763 | } else if (sel instanceof AbstractSelector) {
|
---|
764 | removeAreaStyleClasses((AbstractSelector) sel);
|
---|
765 | }
|
---|
766 | }
|
---|
767 |
|
---|
768 | private static void removeAreaStyleClasses(ChildOrParentSelector sel) {
|
---|
769 | removeAreaStyleClasses(sel.left);
|
---|
770 | removeAreaStyleClasses(sel.right);
|
---|
771 | }
|
---|
772 |
|
---|
773 | private static void removeAreaStyleClasses(AbstractSelector sel) {
|
---|
774 | if (sel.conds != null) {
|
---|
775 | for (Iterator<Condition> it = sel.conds.iterator(); it.hasNext();) {
|
---|
776 | Condition c = it.next();
|
---|
777 | if (c instanceof PseudoClassCondition) {
|
---|
778 | PseudoClassCondition cc = (PseudoClassCondition) c;
|
---|
779 | if ("areaStyle".equals(cc.method.getName())) {
|
---|
780 | Logging.warn("Removing 'areaStyle' pseudo-class from "+sel+". This class is only meant for validator");
|
---|
781 | it.remove();
|
---|
782 | }
|
---|
783 | }
|
---|
784 | }
|
---|
785 | }
|
---|
786 | }
|
---|
787 |
|
---|
788 | @Override
|
---|
789 | public String toString() {
|
---|
790 | return Utils.join("\n", rules);
|
---|
791 | }
|
---|
792 | }
|
---|