--- /dev/null
+/* alphabet_mapper_cont.cpp
+ * Copyright (C) 2008, Francisco Claude, all rights reserved.
+ *
+ * alphabet_mapper_cont 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
+ *
+ */
+
+#include <alphabet_mapper_cont.h>
+using std::max;
+alphabet_mapper_cont::alphabet_mapper_cont(uint * seq, uint n, static_bitsequence_builder *bmb) {
+ uint max_v = 0;
+ for(uint i=0;i<n;i++)
+ max_v = max(max_v,seq[i]);
+ max_v++;
+ uint blen = uint_len(max_v,1);
+ uint * bmap = new uint[blen];
+ for(uint i=0;i<blen;i++)
+ bmap[i] = 0;
+ for(uint i=0;i<n;i++)
+ bitset(bmap,seq[i]);
+ m = bmb->build(bmap,max_v);
+ delete [] bmap;
+}
+
+alphabet_mapper_cont::alphabet_mapper_cont() {
+}
+
+alphabet_mapper_cont::~alphabet_mapper_cont() {
+ delete m;
+}
+
+uint alphabet_mapper_cont::map(uint s) {
+ return m->rank1(s);
+}
+
+uint alphabet_mapper_cont::unmap(uint s) {
+ return m->select1(s);
+}
+
+uint alphabet_mapper_cont::size() {
+ return sizeof(alphabet_mapper_cont)+m->size();
+}
+
+uint alphabet_mapper_cont::save(FILE *fp) {
+ uint wr = ALPHABET_MAPPER_CONT_HDR;
+ wr = fwrite(&wr,sizeof(uint),1,fp);
+ if(wr!=1) return 1;
+ if(m->save(fp)) return 1;
+ return 0;
+}
+
+alphabet_mapper_cont * alphabet_mapper_cont::load(FILE * fp) {
+ uint rd;
+ if(fread(&rd,sizeof(uint),1,fp)!=1) return NULL;
+ if(rd!=ALPHABET_MAPPER_CONT_HDR) return NULL;
+ alphabet_mapper_cont * ret = new alphabet_mapper_cont();
+ ret->m = static_bitsequence::load(fp);
+ if(ret->m==NULL) {
+ delete ret;
+ return NULL;
+ }
+ return ret;
+}