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

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

@@ -0,0 +1,59 @@
+/*
+ * $XConsortium: abs_agent.h /main/4 1996/06/11 17:14:52 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  Unpublished -- rights reserved under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 _compress_agent_h
+#define _compress_agent_h 1
+
+#include "utility/buffer.h"
+#include "object/pstring.h"
+
+typedef int (*getchar_func_t)(unsigned char* buf, int max_sz);
+extern getchar_func_t fill_buf_func;
+
+typedef void (*lex_action_func_t)(unsigned char*, int, int action_num);
+extern lex_action_func_t lex_action_func;
+
+typedef int (*lex_func_t)();
+
+
+class compress_agent : public pstring
+{
+
+public:
+   compress_agent(c_code_t c_id) ;
+   virtual ~compress_agent() {};
+
+   virtual void compress(const buffer& uncompressed, buffer& compressed) = 0;
+   virtual void decompress(buffer& decompressed, buffer& uncompressed) = 0;
+
+   virtual io_status build_dict(lex_func_t f_lex, getchar_func_t f_getchar) = 0;
+};
+
+HANDLER_SIGNATURES(compress_agent)
+
+#endif