separate selectors
diff --git a/include/ccnx-selectors.h b/include/ccnx-selectors.h
new file mode 100644
index 0000000..1275217
--- /dev/null
+++ b/include/ccnx-selectors.h
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2012-2013 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Zhenkai Zhu <zhenkai@cs.ucla.edu>
+ * Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+#ifndef CCNX_SELECTORS_H
+#define CCNX_SELECTORS_H
+
+#include "ccnx-common.h"
+#include "ccnx-name.h"
+
+namespace Ccnx {
+
+struct InterestSelectorException:
+ virtual boost::exception, virtual exception {};
+
+class Selectors
+{
+public:
+ Selectors();
+ Selectors(const Selectors &other);
+ ~Selectors(){};
+
+ typedef enum
+ {
+ AOK_CS = 0x1,
+ AOK_NEW = 0x2,
+ AOK_DEFAULT = 0x3, // (AOK_CS | AOK_NEW)
+ AOK_STALE = 0x4,
+ AOK_EXPIRE = 0x10
+ } AOK;
+
+ typedef enum
+ {
+ LEFT = 0,
+ RIGHT = 1,
+ DEFAULT = 2
+ } CHILD_SELECTOR;
+
+ inline Selectors &
+ maxSuffixComps(int maxSCs) {m_maxSuffixComps = maxSCs; return *this;}
+
+ inline Selectors &
+ minSuffixComps(int minSCs) {m_minSuffixComps = minSCs; return *this;}
+
+ inline Selectors &
+ answerOriginKind(AOK kind) {m_answerOriginKind = kind; return *this;}
+
+ inline Selectors &
+ interestLifetime(int lifetime) {m_interestLifetime = lifetime; return *this;}
+
+ inline Selectors &
+ scope(int scope) {m_scope = scope; return *this;}
+
+ inline Selectors &
+ childSelector(CHILD_SELECTOR child) {m_childSelector = child; return *this;}
+
+ // this has no effect now
+ inline Selectors &
+ publisherPublicKeyDigest(const Bytes &digest) {m_publisherPublicKeyDigest = digest; return *this;}
+
+ CcnxCharbufPtr
+ toCcnxCharbuf() const;
+
+ bool
+ isEmpty() const;
+
+ bool
+ operator==(const Selectors &other);
+
+private:
+ int m_maxSuffixComps;
+ int m_minSuffixComps;
+ AOK m_answerOriginKind;
+ double m_interestLifetime;
+ int m_scope;
+ CHILD_SELECTOR m_childSelector;
+ // not used now
+ Bytes m_publisherPublicKeyDigest;
+};
+
+} // Ccnx
+
+#endif