X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=libcds%2Fsrc%2Fstatic_sequence%2Fwt_coder_huff.h;h=1811ff0f57623adef02ac8d57b386acd54740678;hb=e38bc834442d5369a523ba47d74865e48995ace4;hp=cb050565243b773cb9cd7ce53637bb7bba2726b3;hpb=0bf9688e2615a9fc07860c5762240e4ce26ee5d3;p=SXSI%2FXMLTree.git

diff --git a/libcds/src/static_sequence/wt_coder_huff.h b/libcds/src/static_sequence/wt_coder_huff.h
index cb05056..1811ff0 100644
--- a/libcds/src/static_sequence/wt_coder_huff.h
+++ b/libcds/src/static_sequence/wt_coder_huff.h
@@ -1,4 +1,24 @@
-
+/* wt_coder_huff.h
+ * Copyright (C) 2008, Francisco Claude, all rights reserved.
+ *
+ * wt_coder_huff 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_huff_h
 #define wt_coder_huff_h
 
@@ -7,16 +27,23 @@
 #include <huffman_codes.h>
 #include <alphabet_mapper.h>
 
+/** Uses huffman codes to determine the shape of the wavelet tree  
+ * 
+ *  @author Francisco Claude
+ */
 class wt_coder_huff: public wt_coder {
 	public:
+    /** Buils a wt_coder_huff using the sequence of length n and the alphabet_mapper
+     *  to determine the huffman codes */
 		wt_coder_huff(uint *symbs, uint n, alphabet_mapper * am);
+		wt_coder_huff(uchar *symbs, uint n, alphabet_mapper * am);
 		virtual ~wt_coder_huff();
 		virtual bool is_set(uint symbol, uint l);
 		virtual bool done(uint symbol, uint l);
     virtual uint size();
     virtual uint save(FILE *fp);
     static wt_coder_huff * load(FILE *fp);
-    uint * get_buffer(uint symbol, uint *n);
+    //uint * get_buffer(uint symbol, uint *n);
 
 	protected:
     wt_coder_huff();
@@ -26,4 +53,3 @@ class wt_coder_huff: public wt_coder {
 };
 
 #endif
-