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//proc/self/root/usr/include/yaz/srw.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 srw.h
 * \brief Header for SRW/SRU
 */

#ifndef YAZ_SRW_H
#define YAZ_SRW_H

#include <yaz/soap.h>
#include <yaz/zgdu.h>
#include <yaz/diagsrw.h>
#include <yaz/diagsru_update.h>
#include <yaz/facet.h>

YAZ_BEGIN_CDECL

typedef struct {
    char *extraRecordData_buf;
    int extraRecordData_len;
    char *recordIdentifier;
} Z_SRW_extra_record;

typedef struct {
    char *recordSchema;

int recordPacking; /* recordXMLEscaping in SRU 2.0 */
#define Z_SRW_recordPacking_string 0
#define Z_SRW_recordPacking_XML 1
#define Z_SRW_recordPacking_URL 2

char *recordData_buf;
    int recordData_len;
    Odr_int *recordPosition;
} Z_SRW_record;

typedef struct {
    char *uri;
    char *details;
    char *message;
} Z_SRW_diagnostic;

typedef struct {

char *queryType;
    char *query;

#define Z_SRW_sort_type_none 1
#define Z_SRW_sort_type_sort 2
#define Z_SRW_sort_type_xSort 3
    int sort_type;
    union {
        char *none;
        char *sortKeys;
        char *xSortKeys;
    } sort;
    Odr_int *startRecord;
    Odr_int *maximumRecords;
    char *recordSchema;

char *recordPacking;       /* recordXMLEscaping in SRU 2.0 */
    char *packing;             /* recordPacking in SRU 2.0 */

char *recordXPath;
    char *database;
    char *stylesheet;
    Odr_int *resultSetTTL;
    Z_FacetList *facetList;
} Z_SRW_searchRetrieveRequest;

typedef struct {
    Odr_int *numberOfRecords;
    char *resultCountPrecision;
    char * resultSetId;
    Odr_int *resultSetIdleTime;

Z_SRW_record *records;
    int num_records;

Z_SRW_diagnostic *diagnostics;
    int num_diagnostics;
    Odr_int *nextRecordPosition;

Z_SRW_extra_record **extra_records;  /* of size num_records */
    Z_FacetList *facetList;
    char *suggestions;
} Z_SRW_searchRetrieveResponse;

typedef struct {
    char *recordPacking;
    char *packing;
    char *database;
    char *stylesheet;
} Z_SRW_explainRequest;

typedef struct {
    Z_SRW_record record;
    Z_SRW_diagnostic *diagnostics;
    int num_diagnostics;
    Z_SRW_extra_record *extra_record;
} Z_SRW_explainResponse;

typedef struct {
    char *queryType;
    char *scanClause;
    Odr_int *responsePosition;
    Odr_int *maximumTerms;
    char *stylesheet;
    char *database;
} Z_SRW_scanRequest;

typedef struct {
    char *value;
    Odr_int *numberOfRecords;
    char *displayTerm;
    char *whereInList;
} Z_SRW_scanTerm;

typedef struct {
    Z_SRW_scanTerm *terms;
    int num_terms;
    Z_SRW_diagnostic *diagnostics;
    int num_diagnostics;
} Z_SRW_scanResponse;

typedef struct {
    char *versionType;
    char *versionValue;
} Z_SRW_recordVersion;

typedef struct {
    char *database;
    char *operation;
    char *recordId;
    Z_SRW_recordVersion *recordVersions;
    int num_recordVersions;
    Z_SRW_record *record;
    Z_SRW_extra_record *extra_record;
    char *extraRequestData_buf;
    int extraRequestData_len;
    char *stylesheet;
} Z_SRW_updateRequest;

typedef struct Z_SRW_extra_arg Z_SRW_extra_arg;
struct Z_SRW_extra_arg {
    char *name;
    char *value;
    Z_SRW_extra_arg *next;
};

typedef struct {
    char *operationStatus;
    char *recordId;
    Z_SRW_recordVersion *recordVersions;
    int num_recordVersions;
    Z_SRW_record *record;
    Z_SRW_extra_record *extra_record;
    char *extraResponseData_buf;
    int extraResponseData_len;
    Z_SRW_diagnostic *diagnostics;
    int num_diagnostics;
} Z_SRW_updateResponse;

#define Z_SRW_searchRetrieve_request  1
#define Z_SRW_searchRetrieve_response 2
#define Z_SRW_explain_request 3
#define Z_SRW_explain_response 4
#define Z_SRW_scan_request 5
#define Z_SRW_scan_response 6
#define Z_SRW_update_request 7
#define Z_SRW_update_response 8

typedef struct {
    int which;
    union {
        Z_SRW_searchRetrieveRequest *request;
        Z_SRW_searchRetrieveResponse *response;
        Z_SRW_explainRequest *explain_request;
        Z_SRW_explainResponse *explain_response;
        Z_SRW_scanRequest *scan_request;
        Z_SRW_scanResponse *scan_response;
        Z_SRW_updateRequest *update_request;
        Z_SRW_updateResponse *update_response;
    } u;
    char *srw_version;
    char *username; /* From HTTP header or request */
    char *password; /* From HTTP header or request  */

/* 1. SRU extraRequestData x-name=value for requests encoding */
    /* 2. SRU extraRequestData x-name=value for requests decoding */
    /* 3. SRU echoed data for response encoding */
    Z_SRW_extra_arg *extra_args;

char *extraResponseData_buf;
    int extraResponseData_len;
} Z_SRW_PDU;

YAZ_EXPORT int yaz_srw_codec(ODR o, void * pptr,
                             Z_SRW_PDU **handler_data,
                             void *client_data, const char *ns);
YAZ_EXPORT int yaz_ucp_codec(ODR o, void * pptr,
                             Z_SRW_PDU **handler_data,
                             void *client_data, const char *ns);
YAZ_EXPORT Z_SRW_PDU *yaz_srw_get_core_v_2_0(ODR o);
YAZ_EXPORT Z_SRW_PDU *yaz_srw_get_pdu(ODR o, int which, const char *version);
YAZ_EXPORT Z_SRW_PDU *yaz_srw_get_pdu_e(ODR o, int which, Z_SRW_PDU *req);
YAZ_EXPORT Z_SRW_PDU *yaz_srw_get(ODR o, int which);
YAZ_EXPORT Z_SRW_recordVersion *yaz_srw_get_record_versions(ODR o, int num);
YAZ_EXPORT Z_SRW_extra_record *yaz_srw_get_extra_record(ODR o);
YAZ_EXPORT Z_SRW_record *yaz_srw_get_record(ODR o);
YAZ_EXPORT Z_SRW_record *yaz_srw_get_records(ODR o, int num);

YAZ_EXPORT int yaz_diag_bib1_to_srw (int bib1_code);

YAZ_EXPORT int yaz_diag_srw_to_bib1(int srw_code);

YAZ_EXPORT const char *yaz_srw_pack_to_str(int pack);
YAZ_EXPORT int yaz_srw_str_to_pack(const char *str);

YAZ_EXPORT int yaz_uri_to_array(const char *path, ODR o,
                                char ***name, char ***val);
YAZ_EXPORT void yaz_array_to_uri(char **path, ODR o,
                                 char **name, char **value);

/** \brief encodes URI component
    \param dst destination string (should be at least 3*strlen(uri)+1)
    \param uri URI component C-string (source)
*/
YAZ_EXPORT void yaz_encode_uri_component(char *dst, const char *uri);

/** \brief decodes URI component
    \param dst destination string (should be at least strlen(uri)+1)
    \param uri URI component buffer (source)
    \param len number of bytes to decode from uri
*/
YAZ_EXPORT void yaz_decode_uri_component(char *dst, const char *uri,
                                         size_t len);

YAZ_EXPORT int yaz_srw_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
                              Z_SOAP **soap_package, ODR decode, char **charset);

YAZ_EXPORT int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
                              Z_SOAP **soap_package, ODR decode,
                              char **charset,
                              Z_SRW_diagnostic **, int *num_diagnostic);

/** \brief decode SOLR response (HTTP)
    \param o ODR for result
    \param hres HTTP response to be decoded
    \param pdup SRW response pointer (set if successful)
    \retval -1 fail
    \retval 0 OK
*/
YAZ_EXPORT int yaz_solr_decode_response(ODR o, Z_HTTP_Response *hres,
                                        Z_SRW_PDU **pdup);

YAZ_EXPORT void yaz_add_srw_diagnostic(ODR o, Z_SRW_diagnostic **d,
                                       int *num, int code,
                                       const char *addinfo);

YAZ_EXPORT void yaz_add_sru_update_diagnostic(ODR o, Z_SRW_diagnostic **d,
                                              int *num, int code,
                                              const char *addinfo);

YAZ_EXPORT void yaz_mk_std_diagnostic(ODR o, Z_SRW_diagnostic *d,
                                      int code, const char *details);

YAZ_EXPORT void yaz_add_srw_diagnostic_uri(ODR o, Z_SRW_diagnostic **d,
                                           int *num, const char *uri,
                                           const char *message,
                                           const char *details);

YAZ_EXPORT void yaz_mk_srw_diagnostic(ODR o, Z_SRW_diagnostic *d,
                                      const char *uri, const char *message,
                                      const char *details);

YAZ_EXPORT int yaz_sru_get_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
                                  ODR encode, const char *charset);
YAZ_EXPORT int yaz_sru_post_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
                                   ODR encode, const char *charset);
YAZ_EXPORT int yaz_sru_soap_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
                                   ODR odr, const char *charset);

/** \brief encode SOLR request (HTTP)
    \param hreq HTTP request to be modified (with encoded request)
    \param srw_pdu SRW request
    \param encode ODR for result
    \param charset character set for request (may be NULL)
    \retval -1 fail
    \retval 0 OK
*/
YAZ_EXPORT int yaz_solr_encode_request(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
                                       ODR encode, const char *charset);

YAZ_EXPORT
void yaz_encode_sru_extra(Z_SRW_PDU *sr, ODR odr, const char *extra_args);

#define YAZ_XMLNS_SRU_v1_0 "http://www.loc.gov/zing/srw/v1.0/"
#define YAZ_XMLNS_SRU_v1_1 "http://www.loc.gov/zing/srw/"
#define YAZ_XMLNS_DIAG_v1_1 "http://www.loc.gov/zing/srw/diagnostic/"
#define YAZ_XMLNS_DIAG_v2 "http://docs.oasis-open.org/ns/search-ws/diagnostic"
#define YAZ_XMLNS_UPDATE_v0_9 "http://www.loc.gov/zing/srw/update/"
#define YAZ_XMLNS_SRU_v2_mask "http://docs.oasis-open.org/ns/search-ws/*"
#define YAZ_XMLNS_SRU_v1_response "http://www.loc.gov/*"

YAZ_EXPORT
int yaz_srw_check_content_type(Z_HTTP_Response *hres);

YAZ_EXPORT
int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
                                     Z_SRW_diagnostic **diag,
                                     int *num, ODR odr);

YAZ_EXPORT
void yaz_mk_sru_surrogate(ODR o, Z_SRW_record *record, int pos,
                          int code, const char *details);

/** \brief encode SRU database for HTTP path
    \param out memory handle for resulting encoded database string
    \param db source database
    \returns encoded database path (includes leading /)
*/
YAZ_EXPORT
char *yaz_encode_sru_dbpath_odr(ODR out, const char *db);

/** \brief encode SRU database for HTTP path
    \param dst destination buffer (should be at least strlen(db) +2 in size)
    \param db source database

The resulting database (dst) includes a leading /
*/
YAZ_EXPORT
void yaz_encode_sru_dbpath_buf(char *dst, const char *db);

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
 */