Start using computed style instead of default tag actions.

boilerpipe-core/src/main/de/l3s/boilerpipe/sax/MarkupTagAction.java

Index: boilerpipe-core/src/main/de/l3s/boilerpipe/sax/MarkupTagAction.java
diff --git a/boilerpipe-core/src/main/de/l3s/boilerpipe/sax/MarkupTagAction.java b/boilerpipe-core/src/main/de/l3s/boilerpipe/sax/MarkupTagAction.java
deleted file mode 100644
index 594aa546b50002b665be68fbdc494eaad5ee75c4..0000000000000000000000000000000000000000
--- a/boilerpipe-core/src/main/de/l3s/boilerpipe/sax/MarkupTagAction.java
+++ /dev/null
@@ -1,104 +0,0 @@
-package de.l3s.boilerpipe.sax;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
-import java.util.regex.Pattern;
-
-import com.dom_distiller.client.sax.Attributes;
-
-import de.l3s.boilerpipe.document.TextBlock;
-import de.l3s.boilerpipe.labels.DefaultLabels;
-import de.l3s.boilerpipe.labels.LabelAction;
-
-/**
- * Assigns labels for element CSS classes and ids to the corresponding
- * {@link TextBlock}. CSS classes are prefixed by
- * <code>{@link DefaultLabels#MARKUP_PREFIX}.</code>, and IDs are prefixed by
- * <code>{@link DefaultLabels#MARKUP_PREFIX}#</code>
- * 
- * @author Christian Kohlschütter
- */
-public final class MarkupTagAction implements TagAction {
-
-	private final boolean isBlockLevel;
-	private LinkedList<List<String>> labelStack = new LinkedList<List<String>>();
-
-	public MarkupTagAction(final boolean isBlockLevel) {
-		this.isBlockLevel = isBlockLevel;
-	}
-	
-	private static final Pattern PAT_NUM = Pattern.compile("[0-9]+");
-
-	@Override
-	public boolean start(BoilerpipeHTMLContentHandler instance,
-			String localName, String qName, Attributes atts) {
-		List<String> labels = new ArrayList<String>(5);
-		labels.add(DefaultLabels.MARKUP_PREFIX  + localName);
-
-		String classVal = atts.getValue("class");
-
-		if (classVal != null && classVal.length() > 0) {
-			classVal = PAT_NUM.matcher(classVal).replaceAll("#");
-			classVal = classVal.trim();
-			String[] vals = classVal.split("[ ]+");
-			labels.add(DefaultLabels.MARKUP_PREFIX + "."
-					+ classVal.replace(' ', '.'));
-			if (vals.length > 1) {
-				for (String s : vals) {
-					labels.add(DefaultLabels.MARKUP_PREFIX + "." + s);
-				}
-			}
-		}
-
-		String id = atts.getValue("id");
-		if (id != null && id.length() > 0) {
-			id = PAT_NUM.matcher(id).replaceAll("#");
-			labels.add(DefaultLabels.MARKUP_PREFIX + "#" + id);
-		}
-
-		Set<String> ancestors = getAncestorLabels();
-		List<String> labelsWithAncestors = new ArrayList<String>(
-				(ancestors.size() + 1) * labels.size());
-
-		for (String l : labels) {
-			for (String an : ancestors) {
-				labelsWithAncestors.add(an);
-				labelsWithAncestors.add(an + " " + l);
-			}
-			labelsWithAncestors.add(l);
-		}
-
-		instance.addLabelAction(new LabelAction(labelsWithAncestors
-				.toArray(new String[labelsWithAncestors.size()])));
-
-		labelStack.add(labels);
-
-		return isBlockLevel;
-	}
-
-	@Override
-	public boolean end(BoilerpipeHTMLContentHandler instance, String localName,
-			String qName) {
-
-		labelStack.removeLast();
-		return isBlockLevel;
-	}
-
-    public boolean changesTagLevel() {
-    	return isBlockLevel;
-    }
-    
-	private Set<String> getAncestorLabels() {
-		Set<String> set = new HashSet<String>();
-		for (List<String> labels : labelStack) {
-			if (labels == null) {
-				continue;
-			}
-			set.addAll(labels);
-		}
-		return set;
-	}
-}