1 files changed, 55 insertions, 0 deletions
diff --git a/xmlhelp/source/cxxhelp/util/Decompressor.cxx b/xmlhelp/source/cxxhelp/util/Decompressor.cxx
new file mode 100644
index 000000000000..63e399c737ce
--- /dev/null
+++ b/xmlhelp/source/cxxhelp/util/Decompressor.cxx
@@ -0,0 +1,55 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_xmlhelp.hxx"
+#include <util/Decompressor.hxx>
+#include <util/CompressorIterator.hxx>
+
+using namespace xmlsearch;
+using namespace xmlsearch::util;
+
+const sal_Int32 Decompressor::BitsInByte = 8;
+const sal_Int32 Decompressor::NBits = 32;
+
+inline sal_Int32 getInteger_( const sal_Int8* v )
+{
+    return (((((( (v[0]&0xFF) ) << 8 )
+                | (v[1]&0xFF) ) << 8 )
+                | (v[2]&0xFF) ) << 8 )
+                | (v[3]&0xFF);
+}
+
+sal_Int32 StreamDecompressor::getNextByte()
+{
+  sal_Int8 a[4];
+  a[0] = a[1] = a[2] = 0;
+  if( in_->readBytes( &a[3],1 ) != -1 )
+    return getInteger_( a );
+  else
+    return -1;
+}