- * $Log: data1.h,v $
- * Revision 1.8 2002-05-03 13:48:27 adam
- * data1 cleanup
- *
- * Revision 1.7 2002/04/04 20:49:46 adam
- * New functions yaz_is_abspath, yaz_path_fopen_base
- *
- * Revision 1.6 2000/12/05 12:21:45 adam
- * Added termlist source for data1 system.
- *
- * Revision 1.5 2000/11/29 14:22:47 adam
- * Implemented XML/SGML attributes for data1 so that d1_read reads them
- * and d1_write generates proper attributes for XML/SGML records. Added
- * register locking for threaded version.
- *
- * Revision 1.4 2000/02/28 11:20:06 adam
- * Using autoconf. New definitions: YAZ_BEGIN_CDECL/YAZ_END_CDECL.
- *
- * Revision 1.3 2000/01/04 17:46:17 ian
- * Added function to count occurences of a tag spec in a data1 tree.
- *
- * Revision 1.2 1999/12/21 14:16:19 ian
- * Changed retrieval module to allow data1 trees with no associated absyn.
- * Also added a simple interface for extracting values from data1 trees using
- * a string based tagpath.
- *
- * Revision 1.1 1999/11/30 13:47:11 adam
- * Improved installation. Moved header files to include/yaz.
- *
- * Revision 1.42 1999/10/21 12:06:28 adam
- * Retrieval module no longer uses ctype.h - functions.
- *
- * Revision 1.41 1999/07/13 13:23:47 adam
- * Non-recursive version of data1_read_node. data1_read_nodex reads
- * stream of bytes (instead of buffer in memory).
- *
- * Revision 1.40 1998/11/03 10:14:12 adam
- * Changed definition of data1 node so that it uses less space.
- *
- * Revision 1.39 1998/10/28 15:10:06 adam
- * Added --with-yc option to configure. For the data1_node in data1.h:
- * decreased size of localdata and removed member "line" which wasn't useful.
- *
- * Revision 1.38 1998/10/15 08:29:15 adam
- * Tag set type may be specified in reference to it using "tagset"
- * directive in .abs-files and "include" directive in .tag-files.
- *
- * Revision 1.37 1998/10/13 16:09:46 adam
- * Added support for arbitrary OID's for tagsets, schemas and attribute sets.
- * Added support for multiple attribute set references and tagset references
- * from an abstract syntax file.
- * Fixed many bad logs-calls in routines that read the various
- * specifications regarding data1 (*.abs,*.att,...) and made the messages
- * consistent whenever possible.
- * Added extra 'lineno' argument to function readconf_line.
- *
- * Revision 1.36 1998/05/18 13:06:57 adam
- * Changed the way attribute sets are handled by the retriaval module.
- * Extended Explain conversion / schema.
- * Modified server and client to work with ASN.1 compiled protocol handlers.
- *
- * Revision 1.35 1998/03/05 08:15:32 adam
- * Implemented data1_add_insert_taggeddata utility which is more flexible
- * than data1_insert_taggeddata.
- *
- * Revision 1.34 1998/02/27 14:08:04 adam
- * Added const to some char pointer arguments.
- * Reworked data1_read_node so that it doesn't create a tree with
- * pointers to original "SGML"-buffer.
- *
- * Revision 1.33 1997/12/18 10:51:30 adam
- * Implemented sub-trees feature for schemas - including forward
- * references.
- *
- * Revision 1.32 1997/12/09 16:18:16 adam
- * Work on EXPLAIN schema. First implementation of sub-schema facility
- * in the *.abs files.
- *
- * Revision 1.31 1997/11/18 09:51:08 adam
- * Removed element num_children from data1_node. Minor changes in
- * data1 to Explain.
- *
- * Revision 1.30 1997/10/31 12:20:07 adam
- * Improved memory debugging for xmalloc/nmem.c. References to NMEM
- * instead of ODR in n ESPEC-1 handling in source d1_espec.c.
- * Bug fix: missing fclose in data1_read_espec1.
- *
- * Revision 1.29 1997/10/27 13:54:18 adam
- * Changed structure field in data1 node to be simple string which
- * is "unknown" to the retrieval system itself.
- *
- * Revision 1.28 1997/10/06 09:37:53 adam
- * Added prototype for data1_get_map_buf.
- *
- * Revision 1.27 1997/09/24 13:35:44 adam
- * Added two members to data1_marctab to ease reading of weird MARC records.
- *
- * Revision 1.26 1997/09/17 12:10:32 adam
- * YAZ version 1.4.
- *
- * Revision 1.25 1997/09/05 09:50:55 adam
- * Removed global data1_tabpath - uses data1_get_tabpath() instead.
- *
- * Revision 1.24 1997/09/01 09:30:39 adam
- * Added include of yaz-util.h.
- *
- * Revision 1.23 1997/09/01 08:58:04 adam
- * Removed declaration of data1_matchstr since it's a macro.
- *
- * Revision 1.22 1997/09/01 08:49:48 adam
- * New windows NT/95 port using MSV5.0. To export DLL functions the
- * YAZ_EXPORT modifier was added. Defined in yconfig.h.
- *
- * Revision 1.21 1997/05/14 06:53:38 adam
- * C++ support.
- *
- * Revision 1.20 1996/10/29 13:34:39 adam
- * New functions to get/set data1_tabpath.
- *
- * Revision 1.19 1996/10/11 11:57:16 quinn
- * Smallish
- *
- * Revision 1.18 1996/10/07 15:29:16 quinn
- * Added SOIF support
- *
- * Revision 1.17 1996/07/06 19:58:32 quinn
- * System headerfiles gathered in yconfig
- *
- * Revision 1.16 1996/06/10 08:55:34 quinn
- * Added Summary. Unfinished work
- *
- * Revision 1.15 1996/06/03 09:46:03 quinn
- * Added OID type.
- *
- * Revision 1.14 1996/05/09 07:27:11 quinn
- * Multiple local values supported.
- *
- * Revision 1.13 1996/02/20 16:32:48 quinn
- * Created util file.
- *
- * Revision 1.12 1996/01/18 09:46:34 adam
- * Changed prototype for reader function parsed to data1_read_record.
- *
- * Revision 1.11 1995/12/15 16:19:45 quinn
- * Added formatted_text.
- *
- * Revision 1.10 1995/12/14 11:09:43 quinn
- * Work on Explain
- *
- * Revision 1.9 1995/12/13 15:32:47 quinn
- * Added sgml-output.
- *
- * Revision 1.8 1995/12/13 13:44:23 quinn
- * Modified Data1-system to use nmem
- *
- * Revision 1.7 1995/12/12 16:37:05 quinn
- * Added destroy element to data1_node.
- *
- * Revision 1.6 1995/12/11 15:22:12 quinn
- * Added last_child field to the node.
- *
- * Revision 1.5 1995/12/05 14:26:40 quinn
- * Added global lbuf to data1_node.
- *
- * Revision 1.4 1995/11/13 09:27:29 quinn
- * Fiddling with the variant stuff.
- *
- * Revision 1.3 1995/11/01 16:34:52 quinn
- * Making data1 look for tables in data1_tabpath
- *
- * Revision 1.2 1995/11/01 13:54:35 quinn
- * Minor adjustments
- *
- * Revision 1.1 1995/11/01 13:07:18 quinn
- * Data1 module now lives in YAZ.
- *
- * Revision 1.13 1995/10/25 16:00:49 quinn
- * USMARC support is now almost operational
- *
- * Revision 1.12 1995/10/16 14:02:59 quinn
- * Changes to support element set names and espec1
- *
- * Revision 1.11 1995/10/13 16:05:10 quinn
- * Adding Espec1-processing
- *
- * Revision 1.10 1995/10/11 14:53:46 quinn
- * Work on variants.
- *
- * Revision 1.9 1995/10/10 16:27:59 quinn
- * *** empty log message ***
- *
- * Revision 1.8 1995/10/06 16:44:14 quinn
- * Work on attribute set mapping, etc.
- *
- * Revision 1.7 1995/10/06 12:58:36 quinn
- * SUTRS support
- *
- * Revision 1.6 1995/10/04 09:29:51 quinn
- * Adjustments to support USGS test data
- *
- * Revision 1.5 1995/10/03 17:56:44 quinn
- * Fixing GRS code.
- *
- * Revision 1.4 1995/10/02 14:55:43 quinn
- * *** empty log message ***
- *
- * Revision 1.3 1995/09/15 14:41:43 quinn
- * GRS1 work
- *
- * Revision 1.2 1995/09/14 15:18:14 quinn
- * Work
- *
- * Revision 1.1 1995/09/12 11:24:33 quinn
- * Beginning to add code for structured records.
- *
- *