X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequenceI.java;h=b22e48f8613a26b394ed688078c196cfff88f826;hb=df0734bbe3c42eb4e1d2e6471040888c85801ba5;hp=2f3e92580756a8a839ad4e6af97d9194e81d6ddd;hpb=2b4cc5fb6217217761b4a8bd2529e51b4775a57d;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index 2f3e925..b22e48f 100755
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -23,6 +23,7 @@ package jalview.datamodel;
 import jalview.datamodel.features.SequenceFeaturesI;
 
 import java.util.BitSet;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Vector;
 
@@ -223,6 +224,13 @@ public interface SequenceI extends ASequenceI
   public int[] gapMap();
 
   /**
+   * Build a bitset corresponding to sequence gaps
+   * 
+   * @return a BitSet where set values correspond to gaps in the sequence
+   */
+  public BitSet gapBitset();
+
+  /**
    * Returns an int array where indices correspond to each position in sequence
    * char array and the element value gives the result of findPosition for that
    * index in the sequence.
@@ -524,4 +532,25 @@ public interface SequenceI extends ASequenceI
    * @param c2
    */
   public int replace(char c1, char c2);
+
+  /**
+   * Returns the sequence string constructed from the substrings of a sequence
+   * defined by the int[] ranges provided by an iterator. E.g. the iterator
+   * could iterate over all visible regions of the alignment
+   * 
+   * @param it
+   *          the iterator to use
+   * @return a String corresponding to the sequence
+   */
+  public String getSequenceStringFromIterator(Iterator<int[]> it);
+
+  /**
+   * Locate the first position in this sequence which is not contained in an
+   * iterator region. If no such position exists, return 0
+   * 
+   * @param it
+   *          iterator over regions
+   * @return first residue not contained in regions
+   */
+  public int firstResidueOutsideIterator(Iterator<int[]> it);
 }