Import libcds.

[SXSI/libcds.git] / src / static_sequence / wt_coder_binary.h

diff --git a/src/static_sequence/wt_coder_binary.h b/src/static_sequence/wt_coder_binary.h
new file mode 100644 (file)
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+++ b/src/static_sequence/wt_coder_binary.h
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+/* wt_coder_binary.h
+ * Copyright (C) 2008, Francisco Claude, all rights reserved.
+ *
+ * wt_coder_binary definition
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+ 
+
+#ifndef wt_coder_binary_h
+#define wt_coder_binary_h
+
+#include <basics.h>
+#include <wt_coder.h>
+#include <alphabet_mapper.h>
+
+/** Considers the binary representation of the symbols as the code 
+ * 
+ *  @author Francisco Claude
+ */
+class wt_coder_binary: public wt_coder {
+       public:
+    /** Buils a wt_coder_binary using the sequence of length n and the alphabet_mapper
+     *  to determine the length of the binary codes */
+               wt_coder_binary(uint * seq, uint n, alphabet_mapper * am);
+               wt_coder_binary(uchar * seq, uint n, alphabet_mapper * am);
+               virtual ~wt_coder_binary();
+               virtual bool is_set(uint symbol, uint l);
+               virtual bool done(uint symbol, uint l);
+                virtual uint depth() { return h; }
+    virtual uint size();
+    virtual uint save(FILE *fp);
+    static wt_coder_binary * load(FILE *fp);
+
+       protected:
+    wt_coder_binary();
+               uint h;
+};
+
+#endif
+