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//usr/include/yaz/prt-ext.h

/* This file is part of the YAZ toolkit.
 * Copyright (C) Index Data.
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Index Data nor the names of its contributors
 *       may be used to endorse or promote products derived from this
 *       software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * \file prt-ext.h
 * \brief Header for utilities that handles Z39.50 EXTERNALs
 */

/*
 * Biased-choice External for Z39.50.
 */

#ifndef PRT_EXT_H
#define PRT_EXT_H

#include <yaz/yconfig.h>
#include <yaz/oid_util.h>

YAZ_BEGIN_CDECL

/**
 * Used to keep track of known External definitions (a loose approach
 * to DEFINED_BY).
 */
typedef struct Z_ext_typeent
{
    Odr_oid oid[OID_SIZE]; /* the direct-reference OID */
    int what;          /* discriminator value for the external CHOICE */
    Odr_fun fun;       /* decoder function */
} Z_ext_typeent;

/** \brief structure for all known EXTERNALs */
struct Z_External
{
    Odr_oid *direct_reference;
    Odr_int *indirect_reference;
    char *descriptor;
    int which;
/* Generic types */
#define Z_External_single 0
#define Z_External_octet 1
#define Z_External_arbitrary 2
/* Specific types */
#define Z_External_sutrs 3
#define Z_External_explainRecord 4
#define Z_External_resourceReport1 5
#define Z_External_resourceReport2 6
#define Z_External_promptObject1 7
#define Z_External_grs1 8
#define Z_External_extendedService 9
#define Z_External_itemOrder 10
#define Z_External_diag1 11
#define Z_External_espec1 12
#define Z_External_summary 13
#define Z_External_OPAC 14
#define Z_External_searchResult1 15
#define Z_External_update 16
#define Z_External_dateTime 17
#define Z_External_universeReport 18
#define Z_External_ESAdmin 19
#define Z_External_update0 20
#define Z_External_userInfo1 21
#define Z_External_charSetandLanguageNegotiation 22
#define Z_External_acfPrompt1 23
#define Z_External_acfDes1 24
#define Z_External_acfKrb1 25
#define Z_External_multisrch2 26
#define Z_External_CQL 27
#define Z_External_OCLCUserInfo 28
#define Z_External_persistentResultSet 29
#define Z_External_persistentQuery 30
#define Z_External_periodicQuerySchedule 31
#define Z_External_exportSpecification 32
#define Z_External_exportInvocation 33
#define Z_External_userFacets 34
    union
    {
        /* Generic types */
        Odr_any *single_ASN1_type;
        Odr_oct *octet_aligned;
        Odr_bitmask *arbitrary;

/* Specific types */
        Z_SUTRS *sutrs;
        Z_ExplainRecord *explainRecord;

Z_ResourceReport1 *resourceReport1;
        Z_ResourceReport2 *resourceReport2;
        Z_PromptObject1 *promptObject1;
        Z_GenericRecord *grs1;
        Z_TaskPackage *extendedService;

Z_ItemOrder *itemOrder;
        Z_DiagnosticFormat *diag1;
        Z_Espec1 *espec1;
        Z_BriefBib *summary;
        Z_OPACRecord *opac;

Z_SearchInfoReport *searchResult1;
        Z_IUUpdate *update;
        Z_DateTime *dateTime;
        Z_UniverseReport *universeReport;
        Z_Admin *adminService;

Z_IU0Update *update0;
        Z_OtherInformation *userInfo1;
        Z_CharSetandLanguageNegotiation *charNeg3;
        Z_PromptObject1 *acfPrompt1;
        Z_DES_RN_Object *acfDes1;

Z_KRBObject *acfKrb1;
        Z_MultipleSearchTerms_2 *multipleSearchTerms_2;
        Z_InternationalString *cql;
        Z_OCLC_UserInformation *oclc;
        Z_PRPersistentResultSet *persistentResultSet;

Z_PQueryPersistentQuery *persistentQuery;
        Z_PQSPeriodicQuerySchedule *periodicQuerySchedule;
        Z_ESExportSpecification *exportSpecification;
        Z_EIExportInvocation *exportInvocation;
        Z_FacetList *facetList;
    } u;
};

/** \brief codec for BER EXTERNAL */
YAZ_EXPORT int z_External(ODR o, Z_External **p, int opt, const char *name);
/** \brief returns type information for OID (NULL if not known) */
YAZ_EXPORT Z_ext_typeent *z_ext_getentbyref(const Odr_oid *oid);
/** \brief encodes EXTERNAL record based on OID (NULL if not known) */
YAZ_EXPORT Z_External *z_ext_record_oid(ODR o, const Odr_oid *oid,
                                        const char *buf, int len);
/** \brief encodes EXTERNAL record based on OID (NULL if not known) */
YAZ_EXPORT Z_External *z_ext_record_oid_nmem(NMEM nmem, const Odr_oid *oid,
                                             const char *buf, int len);
/** \brief encodes EXTERNAL record as ANY */
YAZ_EXPORT Z_External *z_ext_record_oid_any(ODR o, const Odr_oid *oid,
                                        const char *buf, int len);
/** \brief encodes EXTERNAL XML record */
YAZ_EXPORT Z_External *z_ext_record_xml(ODR o, const char *buf, int len);

/** \brief encodes EXTERNAL SUTRS record */
YAZ_EXPORT Z_External *z_ext_record_sutrs(ODR o, const char *buf, int len);

/** \brief encodes EXTERNAL USMARC/MARC21 record */
YAZ_EXPORT Z_External *z_ext_record_usmarc(ODR o, const char *buf, int len);

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
 */