Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/DtMmdb/compression/zip.h

@@ -0,0 +1,56 @@
+/*
+ * $XConsortium: zip.h /main/3 1996/06/11 17:15:40 cde-hal $
+ *
+ * Copyright (c) 1993 HAL Computer Systems International, Ltd.
+ * All rights reserved.  Unpublished -- rights reserved under
+ * the Copyright Laws of the United States.  USE OF A COPYRIGHT
+ * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
+ * OR DISCLOSURE.
+ * 
+ * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
+ * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.  USE,
+ * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
+ * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
+ * INTERNATIONAL, LTD.
+ * 
+ *                         RESTRICTED RIGHTS LEGEND
+ * Use, duplication, or disclosure by the Government is subject
+ * to the restrictions as set forth in subparagraph (c)(l)(ii)
+ * of the Rights in Technical Data and Computer Software clause
+ * at DFARS 252.227-7013.
+ *
+ *          HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
+ *                  1315 Dell Avenue
+ *                  Campbell, CA  95008
+ * 
+ */
+
+
+#ifndef _zip_h
+#define _zip_h 1
+
+#include "compression/abs_agent.h"
+
+class zip : public compress_agent
+{
+
+public:
+   zip() : compress_agent(GZIP_AGENT_CODE) {};
+   virtual ~zip() {};
+
+   virtual void compress(const buffer& uncompressed, buffer& compressed) ;
+   virtual void decompress(buffer& compressed, buffer& uncompressed) ;
+
+   MMDB_SIGNATURES(zip);
+
+   // compacted disk representation In and Out functions
+   virtual int cdr_sizeof();
+   virtual io_status cdrOut(buffer&);
+   virtual io_status cdrIn(buffer&);
+
+   virtual io_status build_dict(lex_func_t f_lex, getchar_func_t f_getchar);
+};
+
+extern zip g_zip_agent;
+
+#endif