Import libcds.

[SXSI/libcds.git] / src / utils / alphabet_mapper_none.cpp

diff --git a/src/utils/alphabet_mapper_none.cpp b/src/utils/alphabet_mapper_none.cpp
new file mode 100644 (file)
index 0000000..1e545f0
--- /dev/null
+++ b/src/utils/alphabet_mapper_none.cpp
@@ -0,0 +1,44 @@
+/* alphabet_mapper_none.cpp
+ * Copyright (C) 2008, Francisco Claude, all rights reserved.
+ *
+ * alphabet_mapper 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_none.h>
+
+alphabet_mapper_none::alphabet_mapper_none() { }
+
+uint alphabet_mapper_none::map(uint s) {return s;}
+
+uint alphabet_mapper_none::unmap(uint s) {return s;}
+
+uint alphabet_mapper_none::size() { return sizeof(alphabet_mapper_none); }
+
+uint alphabet_mapper_none::save(FILE *fp) {
+  uint wr = ALPHABET_MAPPER_NONE_HDR;
+  wr = fwrite(&wr,sizeof(uint),1,fp);
+  if(wr!=1) return 1;
+  return 0;
+}
+
+alphabet_mapper_none * alphabet_mapper_none::load(FILE * fp) {
+  uint rd;
+  if(fread(&rd,sizeof(uint),1,fp)!=1) return NULL;
+  if(rd!=ALPHABET_MAPPER_NONE_HDR) return NULL;
+  return new alphabet_mapper_none();
+}