add termvector to the possible options for Field.

README.md

@@ -142,6 +142,12 @@ The following indexing options can be defaulted;
     <td>analyzed, analyzed_no_norms, no, not_analyzed, not_analyzed_no_norms</td>
     <td>analyzed</td>
   </tr>
+  <tr>
+    <th>termvector</th>
+    <td>whether and how a field should have term vectors</td>
+    <td>no, with_offsets, with_positions, with_positions_offsets, yes</td>
+    <td>no</td>
+  </tr>
   <tr>
     <th>boost</th>
     <td>Sets the boost factor hits on this field. This value will be multiplied into the score of all hits on this this field of this document.</td>

src/main/java/com/github/rnewson/couchdb/lucene/couchdb/FieldType.java

@@ -139,7 +139,7 @@ private static NumericField field(final String name, final int precisionStep, fi
     }
 
     private static Field field(final String name, final Object value, final ViewSettings settings) {
-        return boost(new Field(name, value.toString(), settings.getStore(), settings.getIndex()), settings);
+        return boost(new Field(name, value.toString(), settings.getStore(), settings.getIndex(), settings.getTermVector()), settings);
     }
 
     private static <T extends AbstractField> T boost(final T field, final ViewSettings settings) {

src/main/java/com/github/rnewson/couchdb/lucene/couchdb/ViewSettings.java

@@ -4,6 +4,7 @@
 
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
+import org.apache.lucene.document.Field.TermVector;
 import org.mozilla.javascript.NativeObject;
 
 import com.github.rnewson.couchdb.lucene.util.Constants;
@@ -27,37 +28,39 @@
 public final class ViewSettings {
 
     public static ViewSettings getDefaultSettings() {
-        return new ViewSettings(Constants.DEFAULT_FIELD, "analyzed", "no", "string", "1.0", null);
+        return new ViewSettings(Constants.DEFAULT_FIELD, "analyzed", "no", "string", "1.0", "no", null);
     }
 
     private final Index index;
     private final Store store;
     private final String field;
     private final FieldType type;
     private final float boost;
+    private final TermVector termvector;
 
     public ViewSettings(final JSONObject json) {
         this(json, getDefaultSettings());
     }
 
     public ViewSettings(final JSONObject json, final ViewSettings defaults) {
-        this(json.optString("field", null), json.optString("index", null), json.optString("store", null), json.optString("type", null), json.optString("boost", null), defaults);
+        this(json.optString("field", null), json.optString("index", null), json.optString("store", null), json.optString("type", null), json.optString("boost", null), json.optString("termvector", null), defaults);
     }
 
     public ViewSettings(final NativeObject obj) {
         this(obj, getDefaultSettings());
     }
 
     public ViewSettings(final NativeObject obj, final ViewSettings defaults) {
-        this(get(obj, "field"), get(obj, "index"), get(obj, "store"), get(obj, "type"), get(obj, "boost"), defaults);
+        this(get(obj, "field"), get(obj, "index"), get(obj, "store"), get(obj, "type"), get(obj, "boost"), get(obj, "termvector"), defaults);
     }
 
-    private ViewSettings(final String field, final String index, final String store, final String type, final String boost, final ViewSettings defaults) {
+    private ViewSettings(final String field, final String index, final String store, final String type, final String boost, final String termvector, final ViewSettings defaults) {
         this.field = field != null ? field : defaults.getField();
         this.index = index != null ? Index.valueOf(index.toUpperCase()) : defaults.getIndex();
         this.store = store != null ? Store.valueOf(store.toUpperCase()) : defaults.getStore();
         this.type = type != null ? FieldType.valueOf(type.toUpperCase()) : defaults.getFieldType();
         this.boost = boost != null ? Float.valueOf(boost) : defaults.getBoost();
+        this.termvector = termvector != null? TermVector.valueOf(termvector.toUpperCase()) : defaults.getTermVector();
     }
 
     public float getBoost() {
@@ -80,6 +83,11 @@ public FieldType getFieldType() {
         return type;
     }
 
+    public TermVector getTermVector()
+    {
+        return termvector;
+    }
+
     private static String get(final NativeObject obj, final String key) {
         return obj == null ? null : obj.has(key, null) ? obj.get(key, null).toString() : null;
     }