add TagSet class

src/org/oscim/core/TagSet.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2013 Hannes Janetzek
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core;
+
+public class TagSet {
+	public static TagSet EMPTY_TAG_SET = new TagSet();
+
+	public Tag[] tags;
+	public int numTags;
+
+	private TagSet() {
+
+	}
+
+	public TagSet(int count) {
+		tags = new Tag[count];
+	}
+
+	public void clear() {
+		numTags = 0;
+	}
+
+	/** find Tag by key - NOTE: key must be internal() */
+	public Tag get(String key) {
+		for (int i = 0; i < numTags; i++) {
+			if (tags[i].key == key)
+				return tags[i];
+		}
+		return null;
+	}
+
+	public void add(Tag tag) {
+		if (numTags >= tags.length) {
+			Tag[] tmp = tags;
+			tags = new Tag[numTags + 4];
+			System.arraycopy(tmp, 0, tags, 0, numTags);
+		}
+		tags[numTags++] = tag;
+	}
+
+	public boolean contains(Tag tag) {
+		for (int i = 0; i < numTags; i++) {
+			Tag t = tags[i];
+			if (t == tag || (t.key == tag.key && (t.value == t.value)))
+				return true;
+		}
+		return false;
+	}
+
+	public boolean hasKey(String[] keys) {
+		for (int i = 0; i < numTags; i++) {
+			Tag t = tags[i];
+			for (String key : keys)
+				if (key == t.key)
+					return true;
+		}
+		return false;
+	}
+
+	public boolean hasKey(String key) {
+		for (int i = 0; i < numTags; i++) {
+			Tag t = tags[i];
+			if (key == t.key)
+				return true;
+		}
+		return false;
+	}
+
+	public boolean hasValue(String[] vals) {
+		for (int i = 0; i < numTags; i++) {
+			Tag t = tags[i];
+			for (String value : vals)
+				if (value == t.value)
+					return true;
+		}
+		return false;
+	}
+
+	public boolean hasValue(String value) {
+		for (int i = 0; i < numTags; i++) {
+			Tag t = tags[i];
+			if (value == t.value)
+				return true;
+		}
+		return false;
+	}
+}

src/org/oscim/core/osm/OSMElement.java

@@ -14,12 +14,14 @@
  */
 package org.oscim.core.osm;
 
+import org.oscim.core.TagSet;
+
 public abstract class OSMElement {
 
-	public final TagGroup tags;
+	public final TagSet tags;
 	public final long id;
 
-	public OSMElement(TagGroup tags, long id) {
+	public OSMElement(TagSet tags, long id) {
 		assert tags != null;
 		this.tags = tags;
 		this.id = id;

src/org/oscim/core/osm/OSMMember.java

@@ -15,7 +15,11 @@
 package org.oscim.core.osm;
 
 public class OSMMember {
-
+	public enum MemberType{
+		NODE,
+		WAY,
+		RELATIOM
+	}
 	static final boolean useDebugLabels = true;
 
 	public final String role;

src/org/oscim/core/osm/OSMNode.java

@@ -14,11 +14,15 @@
  */
 package org.oscim.core.osm;
 
+import org.oscim.core.TagSet;
+
 public class OSMNode extends OSMElement {
+	//public static EMPTY_NODE = new OSMNode()
+
 	public final double lat;
 	public final double lon;
 
-	public OSMNode(double lat, double lon, TagGroup tags, long id) {
+	public OSMNode(double lat, double lon, TagSet tags, long id) {
 		super(tags, id);
 		this.lat = lat;
 		this.lon = lon;

src/org/oscim/core/osm/OSMRelation.java

@@ -17,13 +17,15 @@ package org.oscim.core.osm;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.oscim.core.TagSet;
+
 public class OSMRelation extends OSMElement {
 
 	public final List<OSMMember> relationMembers;
 
 	// content added after constructor call
 
-	public OSMRelation(TagGroup tags, long id, int initialMemberSize) {
+	public OSMRelation(TagSet tags, long id, int initialMemberSize) {
 		super(tags, id);
 		this.relationMembers =
 				new ArrayList<OSMMember>(initialMemberSize);

src/org/oscim/core/osm/OSMWay.java

@@ -16,14 +16,14 @@ package org.oscim.core.osm;
 
 import java.util.List;
 
+import org.oscim.core.TagSet;
+
 public class OSMWay extends OSMElement {
 
 	public final List<OSMNode> nodes;
 
-	public OSMWay(TagGroup tags, long id, List<OSMNode> nodes) {
+	public OSMWay(TagSet tags, long id, List<OSMNode> nodes) {
 		super(tags, id);
-		for (OSMNode node : nodes)
-			assert node != null;
 		this.nodes = nodes;
 	}
 

src/org/oscim/core/osm/TagGroup.java

@@ -1,31 +0,0 @@
-/*
- * Copyright 2013 Hannes Janetzek
- *
- * This program is free software: you can redistribute it and/or modify it under the
- * terms of the GNU Lesser General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
- * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package org.oscim.core.osm;
-
-import java.util.Map;
-
-public class TagGroup  {
-	public final static TagGroup EMPTY_TAG_GROUP = new TagGroup();
-
-	public final Map<String, String> tags;
-
-	public TagGroup(Map<String,String> tags) {
-		this.tags = tags;
-	}
-
-	private TagGroup(){
-		this.tags = null;
-	}
-}