1 files changed, 53 insertions, 0 deletions
diff --git a/src/java/com/libmailcore/IndexSet.java b/src/java/com/libmailcore/IndexSet.java
new file mode 100644
index 00000000..76506bca
--- /dev/null
+++ b/src/java/com/libmailcore/IndexSet.java
@@ -0,0 +1,53 @@
+package com.libmailcore;
+
+import java.util.List;
+
+/** Unordered set of indexes. */
+public class IndexSet extends NativeObject {
+    /** Constructor. */
+    public IndexSet() {
+        setupNative();
+    }
+    
+    /** Returns an empty set of indexes. */
+    public static native IndexSet indexSet();
+    /** Returns a set of indexes with a range. */
+    public static native IndexSet indexSetWithRange(Range range);
+    /** Returns a set of indexes with a single value. */
+    public static native IndexSet indexSetWithIndex(long idx);
+    
+    /** Returns the number of indexes. */
+    public native int count();
+    /** Adds an index. */
+    public native void addIndex(long idx);
+    /** Removes an index. */
+    public native void removeIndex(long idx);
+    /** Returns whether the set of indexes holds the given value. */
+    public native boolean containsIndex(long idx);
+    
+    /** Adds a range of values. */
+    public native void addRange(Range range);
+    /** Remove a range of values. */
+    public native void removeRange(Range range);
+    /** Intersects with the given range. The set is modified to contains only indexes that
+        are part of the given range. */
+    public native void intersectsRange(Range range);
+    
+    /** Adds indexes of the given set of indexes. */
+    public native void addIndexSet(IndexSet indexSet);
+    /** Removes indexes of the given set. */
+    public native void removeIndexSet(IndexSet indexSet);
+    /** Intersects with the given set of indexes. */
+    public native void intersectsIndexSet(IndexSet indexSet);
+    
+    /** Returns all the ranges that the set contains. */
+    public native List<Range> allRanges();
+    /** Returns the number of ranges that the set contains. */
+    public native int rangesCount();
+    /** Empties the set. */
+    public native void removeAllIndexes();
+    
+    private native void setupNative();
+
+    private static final long serialVersionUID = 1L;
+}