Changeset 10837 in josm for trunk/src/org


Ignore:
Timestamp:
2016-08-18T03:39:22+02:00 (4 years ago)
Author:
Don-vip
Message:

see #11924 - extract MapCSS conditions to new class ConditionFactory (on the same model than ExpressionFactory) - should workaround Groovy bug with Java 9 (https://issues.apache.org/jira/browse/GROOVY-7879 ?)

Location:
trunk/src/org/openstreetmap/josm
Files:
1 added
6 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java

    r10729 r10837  
    4848import org.openstreetmap.josm.gui.mappaint.MultiCascade;
    4949import org.openstreetmap.josm.gui.mappaint.mapcss.Condition;
    50 import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.ClassCondition;
     50import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.ClassCondition;
    5151import org.openstreetmap.josm.gui.mappaint.mapcss.Expression;
    5252import org.openstreetmap.josm.gui.mappaint.mapcss.Instruction;
  • trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Condition.java

    r10717 r10837  
    22package org.openstreetmap.josm.gui.mappaint.mapcss;
    33
    4 import java.lang.reflect.InvocationTargetException;
    5 import java.lang.reflect.Method;
    6 import java.text.MessageFormat;
    7 import java.util.Arrays;
    8 import java.util.EnumSet;
    9 import java.util.Map;
    10 import java.util.Objects;
    11 import java.util.Set;
    12 import java.util.function.BiFunction;
    13 import java.util.function.IntFunction;
    14 import java.util.function.Predicate;
    15 import java.util.regex.Pattern;
    16 
    17 import org.openstreetmap.josm.Main;
    18 import org.openstreetmap.josm.actions.search.SearchCompiler.InDataSourceArea;
    19 import org.openstreetmap.josm.data.osm.Node;
    204import org.openstreetmap.josm.data.osm.OsmPrimitive;
    21 import org.openstreetmap.josm.data.osm.OsmUtils;
    22 import org.openstreetmap.josm.data.osm.Relation;
    235import org.openstreetmap.josm.data.osm.Tag;
    24 import org.openstreetmap.josm.data.osm.Way;
    25 import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
    26 import org.openstreetmap.josm.gui.mappaint.Cascade;
    27 import org.openstreetmap.josm.gui.mappaint.ElemStyles;
    286import org.openstreetmap.josm.gui.mappaint.Environment;
    29 import org.openstreetmap.josm.tools.CheckParameterUtil;
    30 import org.openstreetmap.josm.tools.Utils;
    317
    328/**
     
    4218     */
    4319    boolean applies(Environment e);
    44 
    45     /**
    46      * Create a new condition that checks the key and the value of the object.
    47      * @param k The key.
    48      * @param v The reference value
    49      * @param op The operation to use when comparing the value
    50      * @param context The type of context to use.
    51      * @param considerValAsKey whether to consider {@code v} as another key and compare the values of key {@code k} and key {@code v}.
    52      * @return The new condition.
    53      */
    54     static Condition createKeyValueCondition(String k, String v, Op op, Context context, boolean considerValAsKey) {
    55         switch (context) {
    56         case PRIMITIVE:
    57             if (KeyValueRegexpCondition.SUPPORTED_OPS.contains(op) && !considerValAsKey)
    58                 return new KeyValueRegexpCondition(k, v, op, false);
    59             if (!considerValAsKey && op.equals(Op.EQ))
    60                 return new SimpleKeyValueCondition(k, v);
    61             return new KeyValueCondition(k, v, op, considerValAsKey);
    62         case LINK:
    63             if (considerValAsKey)
    64                 throw new MapCSSException("''considerValAsKey'' not supported in LINK context");
    65             if ("role".equalsIgnoreCase(k))
    66                 return new RoleCondition(v, op);
    67             else if ("index".equalsIgnoreCase(k))
    68                 return new IndexCondition(v, op);
    69             else
    70                 throw new MapCSSException(
    71                         MessageFormat.format("Expected key ''role'' or ''index'' in link context. Got ''{0}''.", k));
    72 
    73         default: throw new AssertionError();
    74         }
    75     }
    76 
    77     /**
    78      * Create a condition in which the key and the value need to match a given regexp
    79      * @param k The key regexp
    80      * @param v The value regexp
    81      * @param op The operation to use when comparing the key and the value.
    82      * @return The new condition.
    83      */
    84     static Condition createRegexpKeyRegexpValueCondition(String k, String v, Op op) {
    85         return new RegexpKeyValueRegexpCondition(k, v, op);
    86     }
    87 
    88     /**
    89      * Creates a condition that checks the given key.
    90      * @param k The key to test for
    91      * @param not <code>true</code> to invert the match
    92      * @param matchType The match type to check for.
    93      * @param context The context this rule is found in.
    94      * @return the new condition.
    95      */
    96     static Condition createKeyCondition(String k, boolean not, KeyMatchType matchType, Context context) {
    97         switch (context) {
    98         case PRIMITIVE:
    99             return new KeyCondition(k, not, matchType);
    100         case LINK:
    101             if (matchType != null)
    102                 throw new MapCSSException("Question mark operator ''?'' and regexp match not supported in LINK context");
    103             if (not)
    104                 return new RoleCondition(k, Op.NEQ);
    105             else
    106                 return new RoleCondition(k, Op.EQ);
    107 
    108         default: throw new AssertionError();
    109         }
    110     }
    111 
    112     /**
    113      * Create a new pseudo class condition
    114      * @param id The id of the pseudo class
    115      * @param not <code>true</code> to invert the condition
    116      * @param context The context the class is found in.
    117      * @return The new condition
    118      */
    119     static PseudoClassCondition createPseudoClassCondition(String id, boolean not, Context context) {
    120         return PseudoClassCondition.createPseudoClassCondition(id, not, context);
    121     }
    122 
    123     /**
    124      * Create a new class condition
    125      * @param id The id of the class to match
    126      * @param not <code>true</code> to invert the condition
    127      * @param context Ignored
    128      * @return The new condition
    129      */
    130     static ClassCondition createClassCondition(String id, boolean not, Context context) {
    131         return new ClassCondition(id, not);
    132     }
    133 
    134     /**
    135      * Create a new condition that a expression needs to be fulfilled
    136      * @param e the expression to check
    137      * @param context Ignored
    138      * @return The new condition
    139      */
    140     static ExpressionCondition createExpressionCondition(Expression e, Context context) {
    141         return new ExpressionCondition(e);
    142     }
    143 
    144     /**
    145      * This is the operation that {@link KeyValueCondition} uses to match.
    146      */
    147     enum Op {
    148         /** The value equals the given reference. */
    149         EQ(Objects::equals),
    150         /** The value does not equal the reference. */
    151         NEQ(EQ),
    152         /** The value is greater than or equal to the given reference value (as float). */
    153         GREATER_OR_EQUAL(comparisonResult -> comparisonResult >= 0),
    154         /** The value is greater than the given reference value (as float). */
    155         GREATER(comparisonResult -> comparisonResult > 0),
    156         /** The value is less than or equal to the given reference value (as float). */
    157         LESS_OR_EQUAL(comparisonResult -> comparisonResult <= 0),
    158         /** The value is less than the given reference value (as float). */
    159         LESS(comparisonResult -> comparisonResult < 0),
    160         /** The reference is treated as regular expression and the value needs to match it. */
    161         REGEX((test, prototype) -> Pattern.compile(prototype).matcher(test).find()),
    162         /** The reference is treated as regular expression and the value needs to not match it. */
    163         NREGEX(REGEX),
    164         /** The reference is treated as a list separated by ';'. Spaces around the ; are ignored.
    165          *  The value needs to be equal one of the list elements. */
    166         ONE_OF((test, prototype) -> Arrays.asList(test.split("\\s*;\\s*")).contains(prototype)),
    167         /** The value needs to begin with the reference string. */
    168         BEGINS_WITH(String::startsWith),
    169         /** The value needs to end with the reference string. */
    170         ENDS_WITH(String::endsWith),
    171         /** The value needs to contain the reference string. */
    172         CONTAINS(String::contains);
    173 
    174         static final Set<Op> NEGATED_OPS = EnumSet.of(NEQ, NREGEX);
    175 
    176         private final BiFunction<String, String, Boolean> function;
    177 
    178         private final boolean negated;
    179 
    180         /**
    181          * Create a new string operation.
    182          * @param func The function to apply during {@link #eval(String, String)}.
    183          */
    184         Op(BiFunction<String, String, Boolean> func) {
    185             this.function = func;
    186             negated = false;
    187         }
    188 
    189         /**
    190          * Create a new float operation that compares two float values
    191          * @param comparatorResult A function to mapt the result of the comparison
    192          */
    193         Op(IntFunction<Boolean> comparatorResult) {
    194             this.function = (test, prototype) -> {
    195                 float testFloat;
    196                 try {
    197                     testFloat = Float.parseFloat(test);
    198                 } catch (NumberFormatException e) {
    199                     return false;
    200                 }
    201                 float prototypeFloat = Float.parseFloat(prototype);
    202 
    203                 int res = Float.compare(testFloat, prototypeFloat);
    204                 return comparatorResult.apply(res);
    205             };
    206             negated = false;
    207         }
    208 
    209         /**
    210          * Create a new Op by negating an other op.
    211          * @param negate inverse operation
    212          */
    213         Op(Op negate) {
    214             this.function = (a, b) -> !negate.function.apply(a, b);
    215             negated = true;
    216         }
    217 
    218         /**
    219          * Evaluates a value against a reference string.
    220          * @param testString The value. May be <code>null</code>
    221          * @param prototypeString The reference string-
    222          * @return <code>true</code> if and only if this operation matches for the given value/reference pair.
    223          */
    224         public boolean eval(String testString, String prototypeString) {
    225             if (testString == null)
    226                 return negated;
    227             else
    228                 return function.apply(testString, prototypeString);
    229         }
    230     }
    23120
    23221    /**
     
    24635
    24736    /**
    248      * Most common case of a KeyValueCondition, this is the basic key=value case.
    249      *
    250      * Extra class for performance reasons.
    251      */
    252     class SimpleKeyValueCondition implements Condition, ToTagConvertable {
    253         /**
    254          * The key to search for.
    255          */
    256         public final String k;
    257         /**
    258          * The value to search for.
    259          */
    260         public final String v;
    261 
    262         /**
    263          * Create a new SimpleKeyValueCondition.
    264          * @param k The key
    265          * @param v The value.
    266          */
    267         public SimpleKeyValueCondition(String k, String v) {
    268             this.k = k;
    269             this.v = v;
    270         }
    271 
    272         @Override
    273         public boolean applies(Environment e) {
    274             return v.equals(e.osm.get(k));
    275         }
    276 
    277         @Override
    278         public Tag asTag(OsmPrimitive primitive) {
    279             return new Tag(k, v);
    280         }
    281 
    282         @Override
    283         public String toString() {
    284             return '[' + k + '=' + v + ']';
    285         }
    286 
    287     }
    288 
    289     /**
    290      * <p>Represents a key/value condition which is either applied to a primitive.</p>
    291      *
    292      */
    293     class KeyValueCondition implements Condition, ToTagConvertable {
    294         /**
    295          * The key to search for.
    296          */
    297         public final String k;
    298         /**
    299          * The value to search for.
    300          */
    301         public final String v;
    302         /**
    303          * The key/value match operation.
    304          */
    305         public final Op op;
    306         /**
    307          * If this flag is set, {@link #v} is treated as a key and the value is the value set for that key.
    308          */
    309         public final boolean considerValAsKey;
    310 
    311         /**
    312          * <p>Creates a key/value-condition.</p>
    313          *
    314          * @param k the key
    315          * @param v the value
    316          * @param op the operation
    317          * @param considerValAsKey whether to consider {@code v} as another key and compare the values of key {@code k} and key {@code v}.
    318          */
    319         public KeyValueCondition(String k, String v, Op op, boolean considerValAsKey) {
    320             this.k = k;
    321             this.v = v;
    322             this.op = op;
    323             this.considerValAsKey = considerValAsKey;
    324         }
    325 
    326         @Override
    327         public boolean applies(Environment env) {
    328             return op.eval(env.osm.get(k), considerValAsKey ? env.osm.get(v) : v);
    329         }
    330 
    331         @Override
    332         public Tag asTag(OsmPrimitive primitive) {
    333             return new Tag(k, v);
    334         }
    335 
    336         @Override
    337         public String toString() {
    338             return '[' + k + '\'' + op + '\'' + v + ']';
    339         }
    340     }
    341 
    342     /**
    343      * This condition requires a fixed key to match a given regexp
    344      */
    345     class KeyValueRegexpCondition extends KeyValueCondition {
    346         protected static final Set<Op> SUPPORTED_OPS = EnumSet.of(Op.REGEX, Op.NREGEX);
    347 
    348         final Pattern pattern;
    349 
    350         public KeyValueRegexpCondition(String k, String v, Op op, boolean considerValAsKey) {
    351             super(k, v, op, considerValAsKey);
    352             CheckParameterUtil.ensureThat(!considerValAsKey, "considerValAsKey is not supported");
    353             CheckParameterUtil.ensureThat(SUPPORTED_OPS.contains(op), "Op must be REGEX or NREGEX");
    354             this.pattern = Pattern.compile(v);
    355         }
    356 
    357         protected boolean matches(Environment env) {
    358             final String value = env.osm.get(k);
    359             return value != null && pattern.matcher(value).find();
    360         }
    361 
    362         @Override
    363         public boolean applies(Environment env) {
    364             if (Op.REGEX.equals(op)) {
    365                 return matches(env);
    366             } else if (Op.NREGEX.equals(op)) {
    367                 return !matches(env);
    368             } else {
    369                 throw new IllegalStateException();
    370             }
    371         }
    372     }
    373 
    374     /**
    375      * A condition that checks that a key with the matching pattern has a value with the matching pattern.
    376      */
    377     class RegexpKeyValueRegexpCondition extends KeyValueRegexpCondition {
    378 
    379         public final Pattern keyPattern;
    380 
    381         /**
    382          * Create a condition in which the key and the value need to match a given regexp
    383          * @param k The key regexp
    384          * @param v The value regexp
    385          * @param op The operation to use when comparing the key and the value.
    386          */
    387         public RegexpKeyValueRegexpCondition(String k, String v, Op op) {
    388             super(k, v, op, false);
    389             this.keyPattern = Pattern.compile(k);
    390         }
    391 
    392         @Override
    393         protected boolean matches(Environment env) {
    394             for (Map.Entry<String, String> kv: env.osm.getKeys().entrySet()) {
    395                 if (keyPattern.matcher(kv.getKey()).find() && pattern.matcher(kv.getValue()).find()) {
    396                     return true;
    397                 }
    398             }
    399             return false;
    400         }
    401     }
    402 
    403     class RoleCondition implements Condition {
    404         public final String role;
    405         public final Op op;
    406 
    407         public RoleCondition(String role, Op op) {
    408             this.role = role;
    409             this.op = op;
    410         }
    411 
    412         @Override
    413         public boolean applies(Environment env) {
    414             String testRole = env.getRole();
    415             if (testRole == null) return false;
    416             return op.eval(testRole, role);
    417         }
    418     }
    419 
    420     class IndexCondition implements Condition {
    421         public final String index;
    422         public final Op op;
    423 
    424         public IndexCondition(String index, Op op) {
    425             this.index = index;
    426             this.op = op;
    427         }
    428 
    429         @Override
    430         public boolean applies(Environment env) {
    431             if (env.index == null) return false;
    432             if (index.startsWith("-")) {
    433                 return env.count != null && op.eval(Integer.toString(env.index - env.count), index);
    434             } else {
    435                 return op.eval(Integer.toString(env.index + 1), index);
    436             }
    437         }
    438     }
    439 
    440     /**
    441      * This defines how {@link KeyCondition} matches a given key.
    442      */
    443     enum KeyMatchType {
    444         /**
    445          * The key needs to be equal to the given label.
    446          */
    447         EQ,
    448         /**
    449          * The key needs to have a true value (yes, ...)
    450          * @see OsmUtils#isTrue(String)
    451          */
    452         TRUE,
    453         /**
    454          * The key needs to have a false value (no, ...)
    455          * @see OsmUtils#isFalse(String)
    456          */
    457         FALSE,
    458         /**
    459          * The key needs to match the given regular expression.
    460          */
    461         REGEX
    462     }
    463 
    464     /**
    465      * <p>KeyCondition represent one of the following conditions in either the link or the
    466      * primitive context:</p>
    467      * <pre>
    468      *     ["a label"]  PRIMITIVE:   the primitive has a tag "a label"
    469      *                  LINK:        the parent is a relation and it has at least one member with the role
    470      *                               "a label" referring to the child
    471      *
    472      *     [!"a label"]  PRIMITIVE:  the primitive doesn't have a tag "a label"
    473      *                   LINK:       the parent is a relation but doesn't have a member with the role
    474      *                               "a label" referring to the child
    475      *
    476      *     ["a label"?]  PRIMITIVE:  the primitive has a tag "a label" whose value evaluates to a true-value
    477      *                   LINK:       not supported
    478      *
    479      *     ["a label"?!] PRIMITIVE:  the primitive has a tag "a label" whose value evaluates to a false-value
    480      *                   LINK:       not supported
    481      * </pre>
    482      */
    483     class KeyCondition implements Condition, ToTagConvertable {
    484 
    485         /**
    486          * The key name.
    487          */
    488         public final String label;
    489         /**
    490          * If we should negate the result of the match.
    491          */
    492         public final boolean negateResult;
    493         /**
    494          * Describes how to match the label against the key.
    495          * @see KeyMatchType
    496          */
    497         public final KeyMatchType matchType;
    498         /**
    499          * A predicate used to match a the regexp against the key. Only used if the match type is regexp.
    500          */
    501         public final Predicate<String> containsPattern;
    502 
    503         /**
    504          * Creates a new KeyCondition
    505          * @param label The key name (or regexp) to use.
    506          * @param negateResult If we should negate the result.,
    507          * @param matchType The match type.
    508          */
    509         public KeyCondition(String label, boolean negateResult, KeyMatchType matchType) {
    510             this.label = label;
    511             this.negateResult = negateResult;
    512             this.matchType = matchType == null ? KeyMatchType.EQ : matchType;
    513             this.containsPattern = KeyMatchType.REGEX.equals(matchType)
    514                     ? Pattern.compile(label).asPredicate()
    515                     : null;
    516         }
    517 
    518         @Override
    519         public boolean applies(Environment e) {
    520             switch(e.getContext()) {
    521             case PRIMITIVE:
    522                 switch (matchType) {
    523                 case TRUE:
    524                     return e.osm.isKeyTrue(label) ^ negateResult;
    525                 case FALSE:
    526                     return e.osm.isKeyFalse(label) ^ negateResult;
    527                 case REGEX:
    528                     return e.osm.keySet().stream().anyMatch(containsPattern) ^ negateResult;
    529                 default:
    530                     return e.osm.hasKey(label) ^ negateResult;
    531                 }
    532             case LINK:
    533                 Utils.ensure(false, "Illegal state: KeyCondition not supported in LINK context");
    534                 return false;
    535             default: throw new AssertionError();
    536             }
    537         }
    538 
    539         /**
    540          * Get the matched key and the corresponding value.
    541          * <p>
    542          * WARNING: This ignores {@link #negateResult}.
    543          * <p>
    544          * WARNING: For regexp, the regular expression is returned instead of a key if the match failed.
    545          * @param p The primitive to get the value from.
    546          * @return The tag.
    547          */
    548         @Override
    549         public Tag asTag(OsmPrimitive p) {
    550             String key = label;
    551             if (KeyMatchType.REGEX.equals(matchType)) {
    552                 key = p.keySet().stream().filter(containsPattern).findAny().orElse(key);
    553             }
    554             return new Tag(key, p.get(key));
    555         }
    556 
    557         @Override
    558         public String toString() {
    559             return '[' + (negateResult ? "!" : "") + label + ']';
    560         }
    561     }
    562 
    563     class ClassCondition implements Condition {
    564 
    565         public final String id;
    566         public final boolean not;
    567 
    568         public ClassCondition(String id, boolean not) {
    569             this.id = id;
    570             this.not = not;
    571         }
    572 
    573         @Override
    574         public boolean applies(Environment env) {
    575             Cascade cascade = env.getCascade(env.layer);
    576             return cascade != null && (not ^ cascade.containsKey(id));
    577         }
    578 
    579         @Override
    580         public String toString() {
    581             return (not ? "!" : "") + '.' + id;
    582         }
    583     }
    584 
    585     /**
    586      * Like <a href="http://www.w3.org/TR/css3-selectors/#pseudo-classes">CSS pseudo classes</a>, MapCSS pseudo classes
    587      * are written in lower case with dashes between words.
    588      */
    589     final class PseudoClasses {
    590 
    591         private PseudoClasses() {
    592             // Hide default constructor for utilities classes
    593         }
    594 
    595         /**
    596          * {@code closed} tests whether the way is closed or the relation is a closed multipolygon
    597          * @param e MapCSS environment
    598          * @return {@code true} if the way is closed or the relation is a closed multipolygon
    599          */
    600         static boolean closed(Environment e) { // NO_UCD (unused code)
    601             if (e.osm instanceof Way && ((Way) e.osm).isClosed())
    602                 return true;
    603             if (e.osm instanceof Relation && ((Relation) e.osm).isMultipolygon())
    604                 return true;
    605             return false;
    606         }
    607 
    608         /**
    609          * {@code :modified} tests whether the object has been modified.
    610          * @param e MapCSS environment
    611          * @return {@code true} if the object has been modified
    612          * @see OsmPrimitive#isModified()
    613          */
    614         static boolean modified(Environment e) { // NO_UCD (unused code)
    615             return e.osm.isModified() || e.osm.isNewOrUndeleted();
    616         }
    617 
    618         /**
    619          * {@code ;new} tests whether the object is new.
    620          * @param e MapCSS environment
    621          * @return {@code true} if the object is new
    622          * @see OsmPrimitive#isNew()
    623          */
    624         static boolean _new(Environment e) { // NO_UCD (unused code)
    625             return e.osm.isNew();
    626         }
    627 
    628         /**
    629          * {@code :connection} tests whether the object is a connection node.
    630          * @param e MapCSS environment
    631          * @return {@code true} if the object is a connection node
    632          * @see Node#isConnectionNode()
    633          */
    634         static boolean connection(Environment e) { // NO_UCD (unused code)
    635             return e.osm instanceof Node && e.osm.getDataSet() != null && ((Node) e.osm).isConnectionNode();
    636         }
    637 
    638         /**
    639          * {@code :tagged} tests whether the object is tagged.
    640          * @param e MapCSS environment
    641          * @return {@code true} if the object is tagged
    642          * @see OsmPrimitive#isTagged()
    643          */
    644         static boolean tagged(Environment e) { // NO_UCD (unused code)
    645             return e.osm.isTagged();
    646         }
    647 
    648         /**
    649          * {@code :same-tags} tests whether the object has the same tags as its child/parent.
    650          * @param e MapCSS environment
    651          * @return {@code true} if the object has the same tags as its child/parent
    652          * @see OsmPrimitive#hasSameInterestingTags(OsmPrimitive)
    653          */
    654         static boolean sameTags(Environment e) { // NO_UCD (unused code)
    655             return e.osm.hasSameInterestingTags(Utils.firstNonNull(e.child, e.parent));
    656         }
    657 
    658         /**
    659          * {@code :area-style} tests whether the object has an area style. This is useful for validators.
    660          * @param e MapCSS environment
    661          * @return {@code true} if the object has an area style
    662          * @see ElemStyles#hasAreaElemStyle(OsmPrimitive, boolean)
    663          */
    664         static boolean areaStyle(Environment e) { // NO_UCD (unused code)
    665             // only for validator
    666             return ElemStyles.hasAreaElemStyle(e.osm, false);
    667         }
    668 
    669         /**
    670          * {@code unconnected}: tests whether the object is a unconnected node.
    671          * @param e MapCSS environment
    672          * @return {@code true} if the object is a unconnected node
    673          */
    674         static boolean unconnected(Environment e) { // NO_UCD (unused code)
    675             return e.osm instanceof Node && OsmPrimitive.getFilteredList(e.osm.getReferrers(), Way.class).isEmpty();
    676         }
    677 
    678         /**
    679          * {@code righthandtraffic} checks if there is right-hand traffic at the current location.
    680          * @param e MapCSS environment
    681          * @return {@code true} if there is right-hand traffic at the current location
    682          * @see ExpressionFactory.Functions#is_right_hand_traffic(Environment)
    683          */
    684         static boolean righthandtraffic(Environment e) { // NO_UCD (unused code)
    685             return ExpressionFactory.Functions.is_right_hand_traffic(e);
    686         }
    687 
    688         /**
    689          * {@code clockwise} whether the way is closed and oriented clockwise,
    690          * or non-closed and the 1st, 2nd and last node are in clockwise order.
    691          * @param e MapCSS environment
    692          * @return {@code true} if the way clockwise
    693          * @see ExpressionFactory.Functions#is_clockwise(Environment)
    694          */
    695         static boolean clockwise(Environment e) { // NO_UCD (unused code)
    696             return ExpressionFactory.Functions.is_clockwise(e);
    697         }
    698 
    699         /**
    700          * {@code anticlockwise} whether the way is closed and oriented anticlockwise,
    701          * or non-closed and the 1st, 2nd and last node are in anticlockwise order.
    702          * @param e MapCSS environment
    703          * @return {@code true} if the way clockwise
    704          * @see ExpressionFactory.Functions#is_anticlockwise(Environment)
    705          */
    706         static boolean anticlockwise(Environment e) { // NO_UCD (unused code)
    707             return ExpressionFactory.Functions.is_anticlockwise(e);
    708         }
    709 
    710         /**
    711          * {@code unclosed-multipolygon} tests whether the object is an unclosed multipolygon.
    712          * @param e MapCSS environment
    713          * @return {@code true} if the object is an unclosed multipolygon
    714          */
    715         static boolean unclosed_multipolygon(Environment e) { // NO_UCD (unused code)
    716             return e.osm instanceof Relation && ((Relation) e.osm).isMultipolygon() &&
    717                     !e.osm.isIncomplete() && !((Relation) e.osm).hasIncompleteMembers() &&
    718                     !MultipolygonCache.getInstance().get(Main.map.mapView, (Relation) e.osm).getOpenEnds().isEmpty();
    719         }
    720 
    721         private static final Predicate<OsmPrimitive> IN_DOWNLOADED_AREA = new InDataSourceArea(false);
    722 
    723         /**
    724          * {@code in-downloaded-area} tests whether the object is within source area ("downloaded area").
    725          * @param e MapCSS environment
    726          * @return {@code true} if the object is within source area ("downloaded area")
    727          * @see InDataSourceArea
    728          */
    729         static boolean inDownloadedArea(Environment e) { // NO_UCD (unused code)
    730             return IN_DOWNLOADED_AREA.test(e.osm);
    731         }
    732 
    733         static boolean completely_downloaded(Environment e) { // NO_UCD (unused code)
    734             if (e.osm instanceof Relation) {
    735                 return !((Relation) e.osm).hasIncompleteMembers();
    736             } else {
    737                 return true;
    738             }
    739         }
    740 
    741         static boolean closed2(Environment e) { // NO_UCD (unused code)
    742             if (e.osm instanceof Way && ((Way) e.osm).isClosed())
    743                 return true;
    744             if (e.osm instanceof Relation && ((Relation) e.osm).isMultipolygon())
    745                 return MultipolygonCache.getInstance().get(Main.map.mapView, (Relation) e.osm).getOpenEnds().isEmpty();
    746             return false;
    747         }
    748 
    749         static boolean selected(Environment e) { // NO_UCD (unused code)
    750             Cascade c = e.mc.getCascade(e.layer);
    751             c.setDefaultSelectedHandling(false);
    752             return e.osm.isSelected();
    753         }
    754     }
    755 
    756     class PseudoClassCondition implements Condition {
    757 
    758         public final Method method;
    759         public final boolean not;
    760 
    761         protected PseudoClassCondition(Method method, boolean not) {
    762             this.method = method;
    763             this.not = not;
    764         }
    765 
    766         /**
    767          * Create a new pseudo class condition
    768          * @param id The id of the pseudo class
    769          * @param not <code>true</code> to invert the condition
    770          * @param context The context the class is found in.
    771          * @return The new condition
    772          */
    773         public static PseudoClassCondition createPseudoClassCondition(String id, boolean not, Context context) {
    774             CheckParameterUtil.ensureThat(!"sameTags".equals(id) || Context.LINK.equals(context), "sameTags only supported in LINK context");
    775             if ("open_end".equals(id)) {
    776                 return new OpenEndPseudoClassCondition(not);
    777             }
    778             final Method method = getMethod(id);
    779             if (method != null) {
    780                 return new PseudoClassCondition(method, not);
    781             }
    782             throw new MapCSSException("Invalid pseudo class specified: " + id);
    783         }
    784 
    785         protected static Method getMethod(String id) {
    786             id = id.replaceAll("-|_", "");
    787             for (Method method : PseudoClasses.class.getDeclaredMethods()) {
    788                 // for backwards compatibility, consider :sameTags == :same-tags == :same_tags (#11150)
    789                 final String methodName = method.getName().replaceAll("-|_", "");
    790                 if (methodName.equalsIgnoreCase(id)) {
    791                     return method;
    792                 }
    793             }
    794             return null;
    795         }
    796 
    797         @Override
    798         public boolean applies(Environment e) {
    799             try {
    800                 return not ^ (Boolean) method.invoke(null, e);
    801             } catch (IllegalAccessException | InvocationTargetException ex) {
    802                 throw new RuntimeException(ex);
    803             }
    804         }
    805 
    806         @Override
    807         public String toString() {
    808             return (not ? "!" : "") + ':' + method.getName();
    809         }
    810     }
    811 
    812     class OpenEndPseudoClassCondition extends PseudoClassCondition {
    813         public OpenEndPseudoClassCondition(boolean not) {
    814             super(null, not);
    815         }
    816 
    817         @Override
    818         public boolean applies(Environment e) {
    819             return true;
    820         }
    821     }
    822 
    823     /**
    824      * A condition that is fulfilled whenever the expression is evaluated to be true.
    825      */
    826     class ExpressionCondition implements Condition {
    827 
    828         private final Expression e;
    829 
    830         /**
    831          * Constructs a new {@code ExpressionFactory}
    832          * @param e expression
    833          */
    834         public ExpressionCondition(Expression e) {
    835             this.e = e;
    836         }
    837 
    838         @Override
    839         public boolean applies(Environment env) {
    840             Boolean b = Cascade.convertTo(e.evaluate(env), Boolean.class);
    841             return b != null && b;
    842         }
    843 
    844         @Override
    845         public String toString() {
    846             return '[' + e.toString() + ']';
    847         }
    848     }
    849 
    850     /**
    85137     * This is a condition that can be converted to a tag
    85238     * @author Michael Zangl
    85339     * @since 10674
    85440     */
     41    @FunctionalInterface
    85542    public interface ToTagConvertable {
    85643        /**
  • trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java

    r10748 r10837  
    4343
    4444/**
    45  * Factory to generate Expressions.
    46  *
     45 * Factory to generate {@link Expression}s.
     46 * <p>
    4747 * See {@link #createFunctionExpression}.
    4848 */
  • trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSParser.jj

    r9958 r10837  
    2222import org.openstreetmap.josm.gui.mappaint.mapcss.Condition;
    2323import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.Context;
     24import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory;
     25import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.KeyMatchType;
     26import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.Op;
    2427import org.openstreetmap.josm.gui.mappaint.mapcss.Expression;
    2528import org.openstreetmap.josm.gui.mappaint.mapcss.ExpressionFactory;
     
    744747            c=simple_key_value_condition(context) s() <RSQUARE> { return c; }
    745748        |
    746             e=expression() <RSQUARE> { return Condition.createExpressionCondition(e, context); }
     749            e=expression() <RSQUARE> { return ConditionFactory.createExpressionCondition(e, context); }
    747750    )
    748751}
     
    762765{
    763766    boolean not = false;
    764     Condition.KeyMatchType matchType = null;;
     767    KeyMatchType matchType = null;;
    765768    String key;
    766769}
     
    768771    ( <EXCLAMATION> { not = true; } )?
    769772    (
    770         { matchType = Condition.KeyMatchType.REGEX; } key = regex()
     773        { matchType = KeyMatchType.REGEX; } key = regex()
    771774    |
    772775        key = tag_key()
    773776    )
    774     ( LOOKAHEAD(2) <QUESTION> <EXCLAMATION> { matchType = Condition.KeyMatchType.FALSE; } )?
    775     (              <QUESTION>               { matchType = Condition.KeyMatchType.TRUE;  } )?
    776     { return Condition.createKeyCondition(key, not, matchType, context); }
     777    ( LOOKAHEAD(2) <QUESTION> <EXCLAMATION> { matchType = KeyMatchType.FALSE; } )?
     778    (              <QUESTION>               { matchType = KeyMatchType.TRUE;  } )?
     779    { return ConditionFactory.createKeyCondition(key, not, matchType, context); }
    777780}
    778781
     
    783786    float f;
    784787    int i;
    785     Condition.KeyMatchType matchType = null;;
    786     Condition.Op op;
     788    KeyMatchType matchType = null;;
     789    Op op;
    787790    boolean considerValAsKey = false;
    788791}
    789792{
    790793    (
    791         key = regex() s() { matchType = Condition.KeyMatchType.REGEX; }
     794        key = regex() s() { matchType = KeyMatchType.REGEX; }
    792795    |
    793796        key=tag_key() s()
     
    796799        LOOKAHEAD(3)
    797800            (
    798                     <EQUAL> <TILDE> { op=Condition.Op.REGEX; }
     801                    <EQUAL> <TILDE> { op=Op.REGEX; }
    799802                |
    800                     <EXCLAMATION> <TILDE> { op=Condition.Op.NREGEX; }
     803                    <EXCLAMATION> <TILDE> { op=Op.NREGEX; }
    801804            )
    802805            s()
     
    805808        |
    806809            (
    807                     <EXCLAMATION> <EQUAL> { op=Condition.Op.NEQ; }
     810                    <EXCLAMATION> <EQUAL> { op=Op.NEQ; }
    808811                |
    809                     <EQUAL> { op=Condition.Op.EQ; }
     812                    <EQUAL> { op=Op.EQ; }
    810813                |
    811                     <TILDE> <EQUAL> { op=Condition.Op.ONE_OF; }
     814                    <TILDE> <EQUAL> { op=Op.ONE_OF; }
    812815                |
    813                     <CARET> <EQUAL> { op=Condition.Op.BEGINS_WITH; }
     816                    <CARET> <EQUAL> { op=Op.BEGINS_WITH; }
    814817                |
    815                     <DOLLAR> <EQUAL> { op=Condition.Op.ENDS_WITH; }
     818                    <DOLLAR> <EQUAL> { op=Op.ENDS_WITH; }
    816819                |
    817                     <STAR> <EQUAL> { op=Condition.Op.CONTAINS; }
     820                    <STAR> <EQUAL> { op=Op.CONTAINS; }
    818821            )
    819822            s()
     
    829832        |
    830833            (
    831                     <GREATER_EQUAL> { op=Condition.Op.GREATER_OR_EQUAL; }
     834                    <GREATER_EQUAL> { op=Op.GREATER_OR_EQUAL; }
    832835                |
    833                     <GREATER> { op=Condition.Op.GREATER; }
     836                    <GREATER> { op=Op.GREATER; }
    834837                |
    835                     <LESS_EQUAL> { op=Condition.Op.LESS_OR_EQUAL; }
     838                    <LESS_EQUAL> { op=Op.LESS_OR_EQUAL; }
    836839                |
    837                     <LESS> { op=Condition.Op.LESS; }
     840                    <LESS> { op=Op.LESS; }
    838841            )
    839842            s()
    840843            f=float_() { val=Float.toString(f); }
    841844    )
    842     { return Condition.KeyMatchType.REGEX == matchType
    843             ? Condition.createRegexpKeyRegexpValueCondition(key, val, op)
    844             : Condition.createKeyValueCondition(key, val, op, context, considerValAsKey); }
     845    { return KeyMatchType.REGEX == matchType
     846            ? ConditionFactory.createRegexpKeyRegexpValueCondition(key, val, op)
     847            : ConditionFactory.createKeyValueCondition(key, val, op, context, considerValAsKey); }
    845848}
    846849
     
    860863    s=ident()
    861864    { return pseudo
    862         ? Condition.createPseudoClassCondition(s, not, context)
    863         : Condition.createClassCondition(s, not, context); }
     865        ? ConditionFactory.createPseudoClassCondition(s, not, context)
     866        : ConditionFactory.createClassCondition(s, not, context); }
    864867}
    865868
  • trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSStyleSource.java

    r10268 r10837  
    4545import org.openstreetmap.josm.gui.mappaint.StyleSetting.BooleanStyleSetting;
    4646import org.openstreetmap.josm.gui.mappaint.StyleSource;
    47 import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.KeyCondition;
    48 import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.KeyMatchType;
    49 import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.KeyValueCondition;
    50 import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.Op;
    51 import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.SimpleKeyValueCondition;
     47import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.KeyCondition;
     48import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.KeyMatchType;
     49import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.KeyValueCondition;
     50import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.Op;
     51import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.SimpleKeyValueCondition;
    5252import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.ChildOrParentSelector;
    5353import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector;
  • trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Selector.java

    r10715 r10837  
    2121import org.openstreetmap.josm.gui.mappaint.Environment;
    2222import org.openstreetmap.josm.gui.mappaint.Range;
     23import org.openstreetmap.josm.gui.mappaint.mapcss.ConditionFactory.OpenEndPseudoClassCondition;
    2324import org.openstreetmap.josm.tools.CheckParameterUtil;
    2425import org.openstreetmap.josm.tools.Geometry;
     
    377378            } else if (ChildOrParentSelectorType.CHILD.equals(type)
    378379                    && link.conds != null && !link.conds.isEmpty()
    379                     && link.conds.get(0) instanceof Condition.OpenEndPseudoClassCondition) {
     380                    && link.conds.get(0) instanceof OpenEndPseudoClassCondition) {
    380381                if (e.osm instanceof Node) {
    381382                    e.osm.visitReferrers(new MultipolygonOpenEndFinder(e));
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