6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.javafx.css;
27
28 import javafx.css.PseudoClass;
29 import javafx.css.Styleable;
30
31 import java.io.DataInputStream;
32 import java.io.DataOutputStream;
33 import java.io.IOException;
34 import java.util.ArrayList;
35 import java.util.List;
36 import java.util.Set;
37
38 /**
39 * Used by CSSRule to determine whether or not the selector applies to a
40 * given object.
41 *
42 */
43 abstract public class Selector {
44
45 private static class UniversalSelector {
46 private static final Selector INSTANCE =
47 new SimpleSelector("*", null, null, null);
48 }
49
50 public static Selector getUniversalSelector() {
51 return UniversalSelector.INSTANCE;
52 }
53
54 private Rule rule;
55 void setRule(Rule rule) {
56 this.rule = rule;
57 }
58 Rule getRule() {
59 return rule;
60 }
61
62 private int ordinal = -1;
63 void setOrdinal(int ordinal) {
64 this.ordinal = ordinal;
65 }
66 int getOrdinal() {
67 return ordinal;
68 }
69
70 abstract Match createMatch();
71
72 // same as the matches method expect return true/false rather than a match
73 public abstract boolean applies(Styleable styleable);
74
75 // same as applies, but will return pseudoclass state that it finds along the way
76 abstract boolean applies(Styleable styleable, Set<PseudoClass>[] triggerStates, int bit);
77
78 /**
79 * Determines whether the current state of the node and its parents
80 * matches the pseudo-classes defined (if any) for this selector.
81 */
82 public abstract boolean stateMatches(Styleable styleable, Set<PseudoClass> state);
83
84 private static final int TYPE_SIMPLE = 1;
85 private static final int TYPE_COMPOUND = 2;
86
87 protected void writeBinary(DataOutputStream os, StringStore stringStore)
88 throws IOException {
89 if (this instanceof SimpleSelector) {
90 os.writeByte(TYPE_SIMPLE);
91 } else {
92 os.writeByte(TYPE_COMPOUND);
93 }
94 }
95
96 static Selector readBinary(int bssVersion, DataInputStream is, String[] strings)
97 throws IOException {
98 final int type = is.readByte();
99 if (type == TYPE_SIMPLE)
100 return SimpleSelector.readBinary(bssVersion, is,strings);
101 else
102 return CompoundSelector.readBinary(bssVersion, is,strings);
103 }
104
105 public static Selector createSelector(final String cssSelector) {
106 if (cssSelector == null || cssSelector.length() == 0) {
107 return null; // actually return a default no-match selector
|
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javafx.css;
27
28 import com.sun.javafx.css.Combinator;
29
30 import java.io.DataInputStream;
31 import java.io.DataOutputStream;
32 import java.io.IOException;
33 import java.util.ArrayList;
34 import java.util.List;
35 import java.util.Set;
36
37 /**
38 * Used by CSSRule to determine whether or not the selector applies to a
39 * given object.
40 *
41 * @since 9
42 */
43 abstract public class Selector {
44
45 private static class UniversalSelector {
46 private static final Selector INSTANCE =
47 new SimpleSelector("*", null, null, null);
48 }
49
50 static Selector getUniversalSelector() {
51 return UniversalSelector.INSTANCE;
52 }
53
54 private Rule rule;
55 void setRule(Rule rule) {
56 this.rule = rule;
57 }
58 public Rule getRule() {
59 return rule;
60 }
61
62 private int ordinal = -1;
63 public void setOrdinal(int ordinal) {
64 this.ordinal = ordinal;
65 }
66 public int getOrdinal() {
67 return ordinal;
68 }
69
70 public abstract Match createMatch();
71
72 // same as the matches method expect return true/false rather than a match
73 public abstract boolean applies(Styleable styleable);
74
75 // same as applies, but will return pseudoclass state that it finds along the way
76 public abstract boolean applies(Styleable styleable, Set<PseudoClass>[] triggerStates, int bit);
77
78 /**
79 * Determines whether the current state of the node and its parents
80 * matches the pseudo-classes defined (if any) for this selector.
81 */
82 public abstract boolean stateMatches(Styleable styleable, Set<PseudoClass> state);
83
84 private static final int TYPE_SIMPLE = 1;
85 private static final int TYPE_COMPOUND = 2;
86
87 protected void writeBinary(DataOutputStream os, StyleConverter.StringStore stringStore)
88 throws IOException {
89 if (this instanceof SimpleSelector) {
90 os.writeByte(TYPE_SIMPLE);
91 } else {
92 os.writeByte(TYPE_COMPOUND);
93 }
94 }
95
96 static Selector readBinary(int bssVersion, DataInputStream is, String[] strings)
97 throws IOException {
98 final int type = is.readByte();
99 if (type == TYPE_SIMPLE)
100 return SimpleSelector.readBinary(bssVersion, is,strings);
101 else
102 return CompoundSelector.readBinary(bssVersion, is,strings);
103 }
104
105 public static Selector createSelector(final String cssSelector) {
106 if (cssSelector == null || cssSelector.length() == 0) {
107 return null; // actually return a default no-match selector
|