1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.gui.mappaint.mapcss;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.data.projection.Ellipsoid.WGS84;
|
---|
5 |
|
---|
6 | import java.util.Collection;
|
---|
7 | import java.util.Collections;
|
---|
8 | import java.util.List;
|
---|
9 | import java.util.NoSuchElementException;
|
---|
10 | import java.util.regex.PatternSyntaxException;
|
---|
11 |
|
---|
12 | import org.openstreetmap.josm.Main;
|
---|
13 | import org.openstreetmap.josm.data.osm.Node;
|
---|
14 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
|
---|
15 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
|
---|
16 | import org.openstreetmap.josm.data.osm.Relation;
|
---|
17 | import org.openstreetmap.josm.data.osm.RelationMember;
|
---|
18 | import org.openstreetmap.josm.data.osm.Way;
|
---|
19 | import org.openstreetmap.josm.data.osm.visitor.AbstractVisitor;
|
---|
20 | import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
|
---|
21 | import org.openstreetmap.josm.gui.mappaint.Environment;
|
---|
22 | import org.openstreetmap.josm.gui.mappaint.Range;
|
---|
23 | import org.openstreetmap.josm.tools.CheckParameterUtil;
|
---|
24 | import org.openstreetmap.josm.tools.Geometry;
|
---|
25 | import org.openstreetmap.josm.tools.Pair;
|
---|
26 | import org.openstreetmap.josm.tools.Predicates;
|
---|
27 | import org.openstreetmap.josm.tools.SubclassFilteredCollection;
|
---|
28 | import org.openstreetmap.josm.tools.Utils;
|
---|
29 |
|
---|
30 | /**
|
---|
31 | * MapCSS selector.
|
---|
32 | *
|
---|
33 | * A rule has two parts, a selector and a declaration block
|
---|
34 | * e.g.
|
---|
35 | * <pre>
|
---|
36 | * way[highway=residential]
|
---|
37 | * { width: 10; color: blue; }
|
---|
38 | * </pre>
|
---|
39 | *
|
---|
40 | * The selector decides, if the declaration block gets applied or not.
|
---|
41 | *
|
---|
42 | * All implementing classes of Selector are immutable.
|
---|
43 | */
|
---|
44 | public interface Selector {
|
---|
45 |
|
---|
46 | /**
|
---|
47 | * Apply the selector to the primitive and check if it matches.
|
---|
48 | *
|
---|
49 | * @param env the Environment. env.mc and env.layer are read-only when matching a selector.
|
---|
50 | * env.source is not needed. This method will set the matchingReferrers field of env as
|
---|
51 | * a side effect! Make sure to clear it before invoking this method.
|
---|
52 | * @return true, if the selector applies
|
---|
53 | */
|
---|
54 | boolean matches(Environment env);
|
---|
55 |
|
---|
56 | Subpart getSubpart();
|
---|
57 |
|
---|
58 | Range getRange();
|
---|
59 |
|
---|
60 | /**
|
---|
61 | * Create an "optimized" copy of this selector that omits the base check.
|
---|
62 | *
|
---|
63 | * For the style source, the list of rules is preprocessed, such that
|
---|
64 | * there is a separate list of rules for nodes, ways, ...
|
---|
65 | *
|
---|
66 | * This means that the base check does not have to be performed
|
---|
67 | * for each rule, but only once for each primitive.
|
---|
68 | *
|
---|
69 | * @return a selector that is identical to this object, except the base of the
|
---|
70 | * "rightmost" selector is not checked
|
---|
71 | */
|
---|
72 | Selector optimizedBaseCheck();
|
---|
73 |
|
---|
74 | enum ChildOrParentSelectorType {
|
---|
75 | CHILD, PARENT, ELEMENT_OF, CROSSING, SIBLING
|
---|
76 | }
|
---|
77 |
|
---|
78 | /**
|
---|
79 | * <p>Represents a child selector or a parent selector.</p>
|
---|
80 | *
|
---|
81 | * <p>In addition to the standard CSS notation for child selectors, JOSM also supports
|
---|
82 | * an "inverse" notation:</p>
|
---|
83 | * <pre>
|
---|
84 | * selector_a > selector_b { ... } // the standard notation (child selector)
|
---|
85 | * relation[type=route] > way { ... } // example (all ways of a route)
|
---|
86 | *
|
---|
87 | * selector_a < selector_b { ... } // the inverse notation (parent selector)
|
---|
88 | * node[traffic_calming] < way { ... } // example (way that has a traffic calming node)
|
---|
89 | * </pre>
|
---|
90 | *
|
---|
91 | */
|
---|
92 | class ChildOrParentSelector implements Selector {
|
---|
93 | public final Selector left;
|
---|
94 | public final LinkSelector link;
|
---|
95 | public final Selector right;
|
---|
96 | public final ChildOrParentSelectorType type;
|
---|
97 |
|
---|
98 | /**
|
---|
99 | * Constructs a new {@code ChildOrParentSelector}.
|
---|
100 | * @param a the first selector
|
---|
101 | * @param link link
|
---|
102 | * @param b the second selector
|
---|
103 | * @param type the selector type
|
---|
104 | */
|
---|
105 | public ChildOrParentSelector(Selector a, LinkSelector link, Selector b, ChildOrParentSelectorType type) {
|
---|
106 | CheckParameterUtil.ensureParameterNotNull(a, "a");
|
---|
107 | CheckParameterUtil.ensureParameterNotNull(b, "b");
|
---|
108 | CheckParameterUtil.ensureParameterNotNull(link, "link");
|
---|
109 | CheckParameterUtil.ensureParameterNotNull(type, "type");
|
---|
110 | this.left = a;
|
---|
111 | this.link = link;
|
---|
112 | this.right = b;
|
---|
113 | this.type = type;
|
---|
114 | }
|
---|
115 |
|
---|
116 | /**
|
---|
117 | * <p>Finds the first referrer matching {@link #left}</p>
|
---|
118 | *
|
---|
119 | * <p>The visitor works on an environment and it saves the matching
|
---|
120 | * referrer in {@code e.parent} and its relative position in the
|
---|
121 | * list referrers "child list" in {@code e.index}.</p>
|
---|
122 | *
|
---|
123 | * <p>If after execution {@code e.parent} is null, no matching
|
---|
124 | * referrer was found.</p>
|
---|
125 | *
|
---|
126 | */
|
---|
127 | private class MatchingReferrerFinder extends AbstractVisitor {
|
---|
128 | private final Environment e;
|
---|
129 |
|
---|
130 | /**
|
---|
131 | * Constructor
|
---|
132 | * @param e the environment against which we match
|
---|
133 | */
|
---|
134 | MatchingReferrerFinder(Environment e) {
|
---|
135 | this.e = e;
|
---|
136 | }
|
---|
137 |
|
---|
138 | @Override
|
---|
139 | public void visit(Node n) {
|
---|
140 | // node should never be a referrer
|
---|
141 | throw new AssertionError();
|
---|
142 | }
|
---|
143 |
|
---|
144 | @Override
|
---|
145 | public void visit(Way w) {
|
---|
146 | /*
|
---|
147 | * If e.parent is already set to the first matching referrer. We skip any following
|
---|
148 | * referrer injected into the visitor.
|
---|
149 | */
|
---|
150 | if (e.parent != null) return;
|
---|
151 |
|
---|
152 | if (!left.matches(e.withPrimitive(w)))
|
---|
153 | return;
|
---|
154 | for (int i = 0; i < w.getNodesCount(); i++) {
|
---|
155 | Node n = w.getNode(i);
|
---|
156 | if (n.equals(e.osm)) {
|
---|
157 | if (link.matches(e.withParentAndIndexAndLinkContext(w, i, w.getNodesCount()))) {
|
---|
158 | e.parent = w;
|
---|
159 | e.index = i;
|
---|
160 | e.count = w.getNodesCount();
|
---|
161 | return;
|
---|
162 | }
|
---|
163 | }
|
---|
164 | }
|
---|
165 | }
|
---|
166 |
|
---|
167 | @Override
|
---|
168 | public void visit(Relation r) {
|
---|
169 | /*
|
---|
170 | * If e.parent is already set to the first matching referrer. We skip any following
|
---|
171 | * referrer injected into the visitor.
|
---|
172 | */
|
---|
173 | if (e.parent != null) return;
|
---|
174 |
|
---|
175 | if (!left.matches(e.withPrimitive(r)))
|
---|
176 | return;
|
---|
177 | for (int i = 0; i < r.getMembersCount(); i++) {
|
---|
178 | RelationMember m = r.getMember(i);
|
---|
179 | if (m.getMember().equals(e.osm)) {
|
---|
180 | if (link.matches(e.withParentAndIndexAndLinkContext(r, i, r.getMembersCount()))) {
|
---|
181 | e.parent = r;
|
---|
182 | e.index = i;
|
---|
183 | e.count = r.getMembersCount();
|
---|
184 | return;
|
---|
185 | }
|
---|
186 | }
|
---|
187 | }
|
---|
188 | }
|
---|
189 | }
|
---|
190 |
|
---|
191 | private abstract static class AbstractFinder extends AbstractVisitor {
|
---|
192 | protected final Environment e;
|
---|
193 |
|
---|
194 | protected AbstractFinder(Environment e) {
|
---|
195 | this.e = e;
|
---|
196 | }
|
---|
197 |
|
---|
198 | @Override
|
---|
199 | public void visit(Node n) {
|
---|
200 | }
|
---|
201 |
|
---|
202 | @Override
|
---|
203 | public void visit(Way w) {
|
---|
204 | }
|
---|
205 |
|
---|
206 | @Override
|
---|
207 | public void visit(Relation r) {
|
---|
208 | }
|
---|
209 |
|
---|
210 | public void visit(Collection<? extends OsmPrimitive> primitives) {
|
---|
211 | for (OsmPrimitive p : primitives) {
|
---|
212 | if (e.child != null) {
|
---|
213 | // abort if first match has been found
|
---|
214 | break;
|
---|
215 | } else if (isPrimitiveUsable(p)) {
|
---|
216 | p.accept(this);
|
---|
217 | }
|
---|
218 | }
|
---|
219 | }
|
---|
220 |
|
---|
221 | public boolean isPrimitiveUsable(OsmPrimitive p) {
|
---|
222 | return !e.osm.equals(p) && p.isUsable();
|
---|
223 | }
|
---|
224 | }
|
---|
225 |
|
---|
226 | private class MultipolygonOpenEndFinder extends AbstractFinder {
|
---|
227 |
|
---|
228 | @Override
|
---|
229 | public void visit(Way w) {
|
---|
230 | w.visitReferrers(innerVisitor);
|
---|
231 | }
|
---|
232 |
|
---|
233 | MultipolygonOpenEndFinder(Environment e) {
|
---|
234 | super(e);
|
---|
235 | }
|
---|
236 |
|
---|
237 | private final AbstractVisitor innerVisitor = new AbstractFinder(e) {
|
---|
238 | @Override
|
---|
239 | public void visit(Relation r) {
|
---|
240 | if (left.matches(e.withPrimitive(r))) {
|
---|
241 | final List<Node> openEnds = MultipolygonCache.getInstance().get(Main.map.mapView, r).getOpenEnds();
|
---|
242 | final int openEndIndex = openEnds.indexOf(e.osm);
|
---|
243 | if (openEndIndex >= 0) {
|
---|
244 | e.parent = r;
|
---|
245 | e.index = openEndIndex;
|
---|
246 | e.count = openEnds.size();
|
---|
247 | }
|
---|
248 | }
|
---|
249 | }
|
---|
250 | };
|
---|
251 | }
|
---|
252 |
|
---|
253 | private final class CrossingFinder extends AbstractFinder {
|
---|
254 | private CrossingFinder(Environment e) {
|
---|
255 | super(e);
|
---|
256 | CheckParameterUtil.ensureThat(e.osm instanceof Way, "Only ways are supported");
|
---|
257 | }
|
---|
258 |
|
---|
259 | @Override
|
---|
260 | public void visit(Way w) {
|
---|
261 | if (e.child == null && left.matches(new Environment(w).withParent(e.osm))) {
|
---|
262 | if (e.osm instanceof Way && Geometry.PolygonIntersection.CROSSING.equals(
|
---|
263 | Geometry.polygonIntersection(w.getNodes(), ((Way) e.osm).getNodes()))) {
|
---|
264 | e.child = w;
|
---|
265 | }
|
---|
266 | }
|
---|
267 | }
|
---|
268 | }
|
---|
269 |
|
---|
270 | private class ContainsFinder extends AbstractFinder {
|
---|
271 | protected ContainsFinder(Environment e) {
|
---|
272 | super(e);
|
---|
273 | CheckParameterUtil.ensureThat(!(e.osm instanceof Node), "Nodes not supported");
|
---|
274 | }
|
---|
275 |
|
---|
276 | @Override
|
---|
277 | public void visit(Node n) {
|
---|
278 | if (e.child == null && left.matches(new Environment(n).withParent(e.osm))) {
|
---|
279 | if ((e.osm instanceof Way && Geometry.nodeInsidePolygon(n, ((Way) e.osm).getNodes()))
|
---|
280 | || (e.osm instanceof Relation && (
|
---|
281 | (Relation) e.osm).isMultipolygon() && Geometry.isNodeInsideMultiPolygon(n, (Relation) e.osm, null))) {
|
---|
282 | e.child = n;
|
---|
283 | }
|
---|
284 | }
|
---|
285 | }
|
---|
286 |
|
---|
287 | @Override
|
---|
288 | public void visit(Way w) {
|
---|
289 | if (e.child == null && left.matches(new Environment(w).withParent(e.osm))) {
|
---|
290 | if ((e.osm instanceof Way && Geometry.PolygonIntersection.FIRST_INSIDE_SECOND.equals(
|
---|
291 | Geometry.polygonIntersection(w.getNodes(), ((Way) e.osm).getNodes())))
|
---|
292 | || (e.osm instanceof Relation && (
|
---|
293 | (Relation) e.osm).isMultipolygon()
|
---|
294 | && Geometry.isPolygonInsideMultiPolygon(w.getNodes(), (Relation) e.osm, null))) {
|
---|
295 | e.child = w;
|
---|
296 | }
|
---|
297 | }
|
---|
298 | }
|
---|
299 | }
|
---|
300 |
|
---|
301 | @Override
|
---|
302 | public boolean matches(Environment e) {
|
---|
303 |
|
---|
304 | if (!right.matches(e))
|
---|
305 | return false;
|
---|
306 |
|
---|
307 | if (ChildOrParentSelectorType.ELEMENT_OF.equals(type)) {
|
---|
308 |
|
---|
309 | if (e.osm instanceof Node || e.osm.getDataSet() == null) {
|
---|
310 | // nodes cannot contain elements
|
---|
311 | return false;
|
---|
312 | }
|
---|
313 |
|
---|
314 | ContainsFinder containsFinder;
|
---|
315 | try {
|
---|
316 | // if right selector also matches relations and if matched primitive is a way which is part of a multipolygon,
|
---|
317 | // use the multipolygon for further analysis
|
---|
318 | if (!(e.osm instanceof Way)
|
---|
319 | || (right instanceof OptimizedGeneralSelector
|
---|
320 | && !((OptimizedGeneralSelector) right).matchesBase(OsmPrimitiveType.RELATION))) {
|
---|
321 | throw new NoSuchElementException();
|
---|
322 | }
|
---|
323 | final Collection<Relation> multipolygons = Utils.filteredCollection(SubclassFilteredCollection.filter(
|
---|
324 | e.osm.getReferrers(), Predicates.hasTag("type", "multipolygon")), Relation.class);
|
---|
325 | final Relation multipolygon = multipolygons.iterator().next();
|
---|
326 | if (multipolygon == null) throw new NoSuchElementException();
|
---|
327 | containsFinder = new ContainsFinder(new Environment(multipolygon)) {
|
---|
328 | @Override
|
---|
329 | public boolean isPrimitiveUsable(OsmPrimitive p) {
|
---|
330 | return super.isPrimitiveUsable(p) && !multipolygon.getMemberPrimitives().contains(p);
|
---|
331 | }
|
---|
332 | };
|
---|
333 | } catch (NoSuchElementException ignore) {
|
---|
334 | Main.trace(ignore);
|
---|
335 | containsFinder = new ContainsFinder(e);
|
---|
336 | }
|
---|
337 | e.parent = e.osm;
|
---|
338 |
|
---|
339 | if (left instanceof OptimizedGeneralSelector) {
|
---|
340 | if (((OptimizedGeneralSelector) left).matchesBase(OsmPrimitiveType.NODE)) {
|
---|
341 | containsFinder.visit(e.osm.getDataSet().searchNodes(e.osm.getBBox()));
|
---|
342 | }
|
---|
343 | if (((OptimizedGeneralSelector) left).matchesBase(OsmPrimitiveType.WAY)) {
|
---|
344 | containsFinder.visit(e.osm.getDataSet().searchWays(e.osm.getBBox()));
|
---|
345 | }
|
---|
346 | } else {
|
---|
347 | // use slow test
|
---|
348 | containsFinder.visit(e.osm.getDataSet().allPrimitives());
|
---|
349 | }
|
---|
350 |
|
---|
351 | return e.child != null;
|
---|
352 |
|
---|
353 | } else if (ChildOrParentSelectorType.CROSSING.equals(type) && e.osm instanceof Way) {
|
---|
354 | e.parent = e.osm;
|
---|
355 | final CrossingFinder crossingFinder = new CrossingFinder(e);
|
---|
356 | if (right instanceof OptimizedGeneralSelector
|
---|
357 | && ((OptimizedGeneralSelector) right).matchesBase(OsmPrimitiveType.WAY)) {
|
---|
358 | crossingFinder.visit(e.osm.getDataSet().searchWays(e.osm.getBBox()));
|
---|
359 | }
|
---|
360 | return e.child != null;
|
---|
361 | } else if (ChildOrParentSelectorType.SIBLING.equals(type)) {
|
---|
362 | if (e.osm instanceof Node) {
|
---|
363 | for (Way w : Utils.filteredCollection(e.osm.getReferrers(true), Way.class)) {
|
---|
364 | final int i = w.getNodes().indexOf(e.osm);
|
---|
365 | if (i - 1 >= 0) {
|
---|
366 | final Node n = w.getNode(i - 1);
|
---|
367 | final Environment e2 = e.withPrimitive(n).withParent(w).withChild(e.osm);
|
---|
368 | if (left.matches(e2) && link.matches(e2.withLinkContext())) {
|
---|
369 | e.child = n;
|
---|
370 | e.index = i;
|
---|
371 | e.count = w.getNodesCount();
|
---|
372 | e.parent = w;
|
---|
373 | return true;
|
---|
374 | }
|
---|
375 | }
|
---|
376 | }
|
---|
377 | }
|
---|
378 | } else if (ChildOrParentSelectorType.CHILD.equals(type)
|
---|
379 | && link.conds != null && !link.conds.isEmpty()
|
---|
380 | && link.conds.get(0) instanceof Condition.OpenEndPseudoClassCondition) {
|
---|
381 | if (e.osm instanceof Node) {
|
---|
382 | e.osm.visitReferrers(new MultipolygonOpenEndFinder(e));
|
---|
383 | return e.parent != null;
|
---|
384 | }
|
---|
385 | } else if (ChildOrParentSelectorType.CHILD.equals(type)) {
|
---|
386 | MatchingReferrerFinder collector = new MatchingReferrerFinder(e);
|
---|
387 | e.osm.visitReferrers(collector);
|
---|
388 | if (e.parent != null)
|
---|
389 | return true;
|
---|
390 | } else if (ChildOrParentSelectorType.PARENT.equals(type)) {
|
---|
391 | if (e.osm instanceof Way) {
|
---|
392 | List<Node> wayNodes = ((Way) e.osm).getNodes();
|
---|
393 | for (int i = 0; i < wayNodes.size(); i++) {
|
---|
394 | Node n = wayNodes.get(i);
|
---|
395 | if (left.matches(e.withPrimitive(n))) {
|
---|
396 | if (link.matches(e.withChildAndIndexAndLinkContext(n, i, wayNodes.size()))) {
|
---|
397 | e.child = n;
|
---|
398 | e.index = i;
|
---|
399 | e.count = wayNodes.size();
|
---|
400 | return true;
|
---|
401 | }
|
---|
402 | }
|
---|
403 | }
|
---|
404 | } else if (e.osm instanceof Relation) {
|
---|
405 | List<RelationMember> members = ((Relation) e.osm).getMembers();
|
---|
406 | for (int i = 0; i < members.size(); i++) {
|
---|
407 | OsmPrimitive member = members.get(i).getMember();
|
---|
408 | if (left.matches(e.withPrimitive(member))) {
|
---|
409 | if (link.matches(e.withChildAndIndexAndLinkContext(member, i, members.size()))) {
|
---|
410 | e.child = member;
|
---|
411 | e.index = i;
|
---|
412 | e.count = members.size();
|
---|
413 | return true;
|
---|
414 | }
|
---|
415 | }
|
---|
416 | }
|
---|
417 | }
|
---|
418 | }
|
---|
419 | return false;
|
---|
420 | }
|
---|
421 |
|
---|
422 | @Override
|
---|
423 | public Subpart getSubpart() {
|
---|
424 | return right.getSubpart();
|
---|
425 | }
|
---|
426 |
|
---|
427 | @Override
|
---|
428 | public Range getRange() {
|
---|
429 | return right.getRange();
|
---|
430 | }
|
---|
431 |
|
---|
432 | @Override
|
---|
433 | public Selector optimizedBaseCheck() {
|
---|
434 | return new ChildOrParentSelector(left, link, right.optimizedBaseCheck(), type);
|
---|
435 | }
|
---|
436 |
|
---|
437 | @Override
|
---|
438 | public String toString() {
|
---|
439 | return left.toString() + ' ' + (ChildOrParentSelectorType.PARENT.equals(type) ? '<' : '>') + link + ' ' + right;
|
---|
440 | }
|
---|
441 | }
|
---|
442 |
|
---|
443 | /**
|
---|
444 | * Super class of {@link org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector} and
|
---|
445 | * {@link org.openstreetmap.josm.gui.mappaint.mapcss.Selector.LinkSelector}.
|
---|
446 | * @since 5841
|
---|
447 | */
|
---|
448 | abstract class AbstractSelector implements Selector {
|
---|
449 |
|
---|
450 | protected final List<Condition> conds;
|
---|
451 |
|
---|
452 | protected AbstractSelector(List<Condition> conditions) {
|
---|
453 | if (conditions == null || conditions.isEmpty()) {
|
---|
454 | this.conds = null;
|
---|
455 | } else {
|
---|
456 | this.conds = conditions;
|
---|
457 | }
|
---|
458 | }
|
---|
459 |
|
---|
460 | /**
|
---|
461 | * Determines if all conditions match the given environment.
|
---|
462 | * @param env The environment to check
|
---|
463 | * @return {@code true} if all conditions apply, false otherwise.
|
---|
464 | */
|
---|
465 | @Override
|
---|
466 | public boolean matches(Environment env) {
|
---|
467 | CheckParameterUtil.ensureParameterNotNull(env, "env");
|
---|
468 | if (conds == null) return true;
|
---|
469 | for (Condition c : conds) {
|
---|
470 | try {
|
---|
471 | if (!c.applies(env)) return false;
|
---|
472 | } catch (PatternSyntaxException e) {
|
---|
473 | Main.error(e, "PatternSyntaxException while applying condition" + c + ':');
|
---|
474 | return false;
|
---|
475 | }
|
---|
476 | }
|
---|
477 | return true;
|
---|
478 | }
|
---|
479 |
|
---|
480 | /**
|
---|
481 | * Returns the list of conditions.
|
---|
482 | * @return the list of conditions
|
---|
483 | */
|
---|
484 | public List<Condition> getConditions() {
|
---|
485 | if (conds == null) {
|
---|
486 | return Collections.emptyList();
|
---|
487 | }
|
---|
488 | return Collections.unmodifiableList(conds);
|
---|
489 | }
|
---|
490 | }
|
---|
491 |
|
---|
492 | class LinkSelector extends AbstractSelector {
|
---|
493 |
|
---|
494 | public LinkSelector(List<Condition> conditions) {
|
---|
495 | super(conditions);
|
---|
496 | }
|
---|
497 |
|
---|
498 | @Override
|
---|
499 | public boolean matches(Environment env) {
|
---|
500 | Utils.ensure(env.isLinkContext(), "Requires LINK context in environment, got ''{0}''", env.getContext());
|
---|
501 | return super.matches(env);
|
---|
502 | }
|
---|
503 |
|
---|
504 | @Override
|
---|
505 | public Subpart getSubpart() {
|
---|
506 | throw new UnsupportedOperationException("Not supported yet.");
|
---|
507 | }
|
---|
508 |
|
---|
509 | @Override
|
---|
510 | public Range getRange() {
|
---|
511 | throw new UnsupportedOperationException("Not supported yet.");
|
---|
512 | }
|
---|
513 |
|
---|
514 | @Override
|
---|
515 | public Selector optimizedBaseCheck() {
|
---|
516 | throw new UnsupportedOperationException();
|
---|
517 | }
|
---|
518 |
|
---|
519 | @Override
|
---|
520 | public String toString() {
|
---|
521 | return "LinkSelector{" + "conditions=" + conds + '}';
|
---|
522 | }
|
---|
523 | }
|
---|
524 |
|
---|
525 | class GeneralSelector extends OptimizedGeneralSelector {
|
---|
526 |
|
---|
527 | public GeneralSelector(String base, Pair<Integer, Integer> zoom, List<Condition> conds, Subpart subpart) {
|
---|
528 | super(base, zoom, conds, subpart);
|
---|
529 | }
|
---|
530 |
|
---|
531 | public boolean matchesConditions(Environment e) {
|
---|
532 | return super.matches(e);
|
---|
533 | }
|
---|
534 |
|
---|
535 | @Override
|
---|
536 | public Selector optimizedBaseCheck() {
|
---|
537 | return new OptimizedGeneralSelector(this);
|
---|
538 | }
|
---|
539 |
|
---|
540 | @Override
|
---|
541 | public boolean matches(Environment e) {
|
---|
542 | return matchesBase(e) && super.matches(e);
|
---|
543 | }
|
---|
544 | }
|
---|
545 |
|
---|
546 | class OptimizedGeneralSelector extends AbstractSelector {
|
---|
547 | public final String base;
|
---|
548 | public final Range range;
|
---|
549 | public final Subpart subpart;
|
---|
550 |
|
---|
551 | public OptimizedGeneralSelector(String base, Pair<Integer, Integer> zoom, List<Condition> conds, Subpart subpart) {
|
---|
552 | super(conds);
|
---|
553 | this.base = base;
|
---|
554 | if (zoom != null) {
|
---|
555 | int a = zoom.a == null ? 0 : zoom.a;
|
---|
556 | int b = zoom.b == null ? Integer.MAX_VALUE : zoom.b;
|
---|
557 | if (a <= b) {
|
---|
558 | range = fromLevel(a, b);
|
---|
559 | } else {
|
---|
560 | range = Range.ZERO_TO_INFINITY;
|
---|
561 | }
|
---|
562 | } else {
|
---|
563 | range = Range.ZERO_TO_INFINITY;
|
---|
564 | }
|
---|
565 | this.subpart = subpart != null ? subpart : Subpart.DEFAULT_SUBPART;
|
---|
566 | }
|
---|
567 |
|
---|
568 | public OptimizedGeneralSelector(String base, Range range, List<Condition> conds, Subpart subpart) {
|
---|
569 | super(conds);
|
---|
570 | this.base = base;
|
---|
571 | this.range = range;
|
---|
572 | this.subpart = subpart != null ? subpart : Subpart.DEFAULT_SUBPART;
|
---|
573 | }
|
---|
574 |
|
---|
575 | public OptimizedGeneralSelector(GeneralSelector s) {
|
---|
576 | this(s.base, s.range, s.conds, s.subpart);
|
---|
577 | }
|
---|
578 |
|
---|
579 | @Override
|
---|
580 | public Subpart getSubpart() {
|
---|
581 | return subpart;
|
---|
582 | }
|
---|
583 |
|
---|
584 | @Override
|
---|
585 | public Range getRange() {
|
---|
586 | return range;
|
---|
587 | }
|
---|
588 |
|
---|
589 | public String getBase() {
|
---|
590 | return base;
|
---|
591 | }
|
---|
592 |
|
---|
593 | public boolean matchesBase(OsmPrimitiveType type) {
|
---|
594 | if ("*".equals(base)) {
|
---|
595 | return true;
|
---|
596 | } else if (OsmPrimitiveType.NODE.equals(type)) {
|
---|
597 | return "node".equals(base);
|
---|
598 | } else if (OsmPrimitiveType.WAY.equals(type)) {
|
---|
599 | return "way".equals(base) || "area".equals(base);
|
---|
600 | } else if (OsmPrimitiveType.RELATION.equals(type)) {
|
---|
601 | return "area".equals(base) || "relation".equals(base) || "canvas".equals(base);
|
---|
602 | }
|
---|
603 | return false;
|
---|
604 | }
|
---|
605 |
|
---|
606 | public boolean matchesBase(OsmPrimitive p) {
|
---|
607 | if (!matchesBase(p.getType())) {
|
---|
608 | return false;
|
---|
609 | } else {
|
---|
610 | if (p instanceof Relation) {
|
---|
611 | if ("area".equals(base)) {
|
---|
612 | return ((Relation) p).isMultipolygon();
|
---|
613 | } else if ("canvas".equals(base)) {
|
---|
614 | return p.get("#canvas") != null;
|
---|
615 | }
|
---|
616 | }
|
---|
617 | return true;
|
---|
618 | }
|
---|
619 | }
|
---|
620 |
|
---|
621 | public boolean matchesBase(Environment e) {
|
---|
622 | return matchesBase(e.osm);
|
---|
623 | }
|
---|
624 |
|
---|
625 | @Override
|
---|
626 | public Selector optimizedBaseCheck() {
|
---|
627 | throw new UnsupportedOperationException();
|
---|
628 | }
|
---|
629 |
|
---|
630 | public static Range fromLevel(int a, int b) {
|
---|
631 | if (a > b)
|
---|
632 | throw new AssertionError();
|
---|
633 | double lower = 0;
|
---|
634 | double upper = Double.POSITIVE_INFINITY;
|
---|
635 | if (b != Integer.MAX_VALUE) {
|
---|
636 | lower = level2scale(b + 1);
|
---|
637 | }
|
---|
638 | if (a != 0) {
|
---|
639 | upper = level2scale(a);
|
---|
640 | }
|
---|
641 | return new Range(lower, upper);
|
---|
642 | }
|
---|
643 |
|
---|
644 | public static double level2scale(int lvl) {
|
---|
645 | if (lvl < 0)
|
---|
646 | throw new IllegalArgumentException("lvl must be >= 0 but is "+lvl);
|
---|
647 | // preliminary formula - map such that mapnik imagery tiles of the same
|
---|
648 | // or similar level are displayed at the given scale
|
---|
649 | return 2.0 * Math.PI * WGS84.a / Math.pow(2.0, lvl) / 2.56;
|
---|
650 | }
|
---|
651 |
|
---|
652 | public static int scale2level(double scale) {
|
---|
653 | if (scale < 0)
|
---|
654 | throw new IllegalArgumentException("scale must be >= 0 but is "+scale);
|
---|
655 | return (int) Math.floor(Math.log(2 * Math.PI * WGS84.a / 2.56 / scale) / Math.log(2));
|
---|
656 | }
|
---|
657 |
|
---|
658 | @Override
|
---|
659 | public String toString() {
|
---|
660 | return base + (Range.ZERO_TO_INFINITY.equals(range) ? "" : range) + Utils.join("", conds)
|
---|
661 | + (subpart != null && subpart != Subpart.DEFAULT_SUBPART ? "::" + subpart : "");
|
---|
662 | }
|
---|
663 | }
|
---|
664 | }
|
---|