sortspec.h

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/* This file is part of the YAZ toolkit.
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 * modification, are permitted provided that the following conditions are met:
 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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#ifndef SORTSPEC_H
#define SORTSPEC_H
 
#include <yaz/yconfig.h>
#include <yaz/wrbuf.h>
#include <yaz/z-core.h>
 
YAZ_BEGIN_CDECL
 
YAZ_EXPORT Z_SortKeySpecList *yaz_sort_spec(ODR odr, const char *arg);
 
/* \brief converts SortKeySpecList to CQL sortby string
   \param sksl SortKeySpecList
   \param w resulting CQL SORTBY string (of string to be appended)
   \retval 0 successful
   \retval -1 failure
*/
YAZ_EXPORT int yaz_sort_spec_to_cql(Z_SortKeySpecList *sksl, WRBUF w);
 
/* \brief adds PQF type-7 sorting to existing PQF from SortKeySpecList
   \param sksl SortKeySpecList
   \param w original PQF (without the Type-7)
   \retval 0 successful
   \retval -1 failure
 
   If successful, the pqf WRBUF holds the new PQF including the Type-7
   part.
*/
YAZ_EXPORT int yaz_sort_spec_to_type7(Z_SortKeySpecList *sksl, WRBUF pqf);
 
/* \brief converts Z39.50 SortKeySpecList to SRU 1.1 sort key
   \param sksl SortKeySpecList
   \param w resulting sortkey will be appended to this
   \retval 0 successful
   \retval -1 failure
*/
YAZ_EXPORT int yaz_sort_spec_to_srw_sortkeys(Z_SortKeySpecList *sksl, WRBUF w);
 
/* \brief converts SRU/SRW 1.1 sortkeys to Z39.50 sortspec (WRBUF)
   \param srw_sortkeys SRU sortkeys string
   \param w resulting Z39.50 sortspec, WRBUF string
   \retval 0 successful
   \retval -1 failure
*/
YAZ_EXPORT int yaz_srw_sortkeys_to_sort_spec(const char *srw_sortkeys, WRBUF w);
 
/* \brief converts Z39.50 SortKeySpecList to Solr sort key
   \param sksl SortKeySpecList
   \param w resulting sortkey will be appended to this
   \retval 0 successful
   \retval -1 failure
*/
YAZ_EXPORT int yaz_sort_spec_to_solr_sortkeys(Z_SortKeySpecList *sksl, WRBUF w);
 
/* \brief converts Solr sortkeys to Z39.50 sortspec (WRBUF)
   \param srw_sortkeys Solr sortkeys string
   \param w resulting Z39.50 sortspec, WRBUF string
   \retval 0 successful
   \retval -1 failure
*/
YAZ_EXPORT int yaz_solr_sortkeys_to_sort_spec(const char *srw_sortkeys, WRBUF w);
 
YAZ_END_CDECL
 
#endif
 
/*
 * Local variables:
 * c-basic-offset: 4
 * c-file-style: "Stroustrup"
 * indent-tabs-mode: nil
 * End:
 * vim: shiftwidth=4 tabstop=8 expandtab
 */