-/*
- * Copyright (C) 1995-2007, Index Data ApS
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2011 Index Data
* See the file LICENSE for details.
- *
- * $Id: srw.c,v 1.56 2007-05-23 13:11:11 adam Exp $
*/
/**
* \file srw.c
* \brief Implements SRW/SRU package encoding and decoding
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
#include <yaz/srw.h>
+#include <yaz/wrbuf.h>
#if YAZ_HAVE_XML2
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <assert.h>
+#include "sru-p.h"
+
static void add_XML_n(xmlNodePtr ptr, const char *elem, char *val, int len,
xmlNsPtr ns_ptr)
{
return add_xsd_string_ns(ptr, elem, val, 0);
}
-static void add_xsd_integer(xmlNodePtr ptr, const char *elem, const int *val)
+static void add_xsd_integer(xmlNodePtr ptr, const char *elem,
+ const Odr_int *val)
{
if (val)
{
- char str[30];
- sprintf(str, "%d", *val);
+ char str[40];
+ sprintf(str, ODR_INT_PRINTF, *val);
xmlNewTextChild(ptr, 0, BAD_CAST elem, BAD_CAST str);
}
}
return 1;
}
-static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o, int **val)
+static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o,
+ Odr_int **val)
{
#if CHECK_TYPE
struct _xmlAttr *attr;
ptr = ptr->children;
if (!ptr || ptr->type != XML_TEXT_NODE)
return 0;
- *val = odr_intdup(o, atoi((const char *) ptr->content));
+ *val = odr_intdup(o, odr_atoi((const char *) ptr->content));
return 1;
}
+char *yaz_negotiate_sru_version(char *input_ver)
+{
+ if (!input_ver)
+ input_ver = "1.1";
+
+ if (!strcmp(input_ver, "1.1"))
+ return "1.1";
+ return "1.2"; /* our latest supported version */
+}
+
static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec,
Z_SRW_extra_record **extra,
void *client_data, const char *ns)
}
}
else if (o->direction == ODR_ENCODE)
- {
+ {
xmlNodePtr ptr = pptr;
add_xsd_string(ptr, "versionType", rec->versionType);
add_xsd_string(ptr, "versionValue", rec->versionValue);
{
int i;
for (i = 0; i < *num; i++)
- {
+ {
xmlNodePtr rptr = xmlNewChild(pptr, 0, BAD_CAST "version",
0);
yaz_srw_version(o, rptr, (*vers)+i, client_data, ns);
return 0;
}
-static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
- int *num, void *client_data, const char *ns)
+Z_FacetTerm *yaz_sru_proxy_get_facet_term_count(ODR odr, xmlNodePtr node)
{
- if (o->direction == ODR_DECODE)
+ int freq;
+ xmlNodePtr child;
+ WRBUF wrbuf = wrbuf_alloc();
+ const char *freq_string = yaz_element_attribute_value_get(node, "facetvalue", "est_representation");
+ Z_Term *term;
+ if (freq_string)
+ freq = atoi(freq_string);
+ else
+ freq = -1;
+
+ for (child = node->children; child ; child = child->next) {
+ if (child->type == XML_TEXT_NODE)
+ wrbuf_puts(wrbuf, (const char *) child->content);
+ }
+ term = term_create(odr, wrbuf_cstr(wrbuf));
+ yaz_log(YLOG_DEBUG, "sru-proxy facet: %s %d", wrbuf_cstr(wrbuf), freq);
+ wrbuf_destroy(wrbuf);
+ return facet_term_create(odr, term, freq);
+};
+
+static Z_FacetField *yaz_sru_proxy_decode_facet_field(ODR odr, xmlNodePtr ptr)
+{
+ Z_AttributeList *list;
+ Z_FacetField *facet_field;
+ int num_terms = 0;
+ int index = 0;
+ xmlNodePtr node;
+ /* USE attribute */
+ const char* name = yaz_element_attribute_value_get(ptr, "facet", "code");
+ yaz_log(YLOG_DEBUG, "sru-proxy facet type: %s", name);
+
+ list = yaz_use_atttribute_create(odr, name);
+ for (node = ptr->children; node; node = node->next) {
+ if (match_element(node, "facetvalue"))
+ num_terms++;
+ }
+ facet_field = facet_field_create(odr, list, num_terms);
+ index = 0;
+ for (node = ptr->children; node; node = node->next)
{
- int i;
- xmlNodePtr ptr;
- *num = 0;
- for (ptr = pptr->children; ptr; ptr = ptr->next)
+ if (match_element(node, "facetvalue"))
{
- if (ptr->type == XML_ELEMENT_NODE &&
- !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
- (*num)++;
+ facet_field_term_set(odr, facet_field, yaz_sru_proxy_get_facet_term_count(odr, node), index);
+ index++;
}
- if (!*num)
- return 1;
- *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
- for (i = 0; i < *num; i++)
+ }
+ return facet_field;
+}
+
+static int yaz_sru_proxy_decode_facets(ODR o, xmlNodePtr root,
+ Z_FacetList **facetList)
+{
+ xmlNodePtr ptr;
+
+ for (ptr = root->children; ptr; ptr = ptr->next)
+ {
+ if (match_element(ptr, "facets"))
{
+ xmlNodePtr node;
+ Z_FacetList *facet_list;
+ int num_facets = 0;
+ for (node = ptr->children; node; node= node->next)
+ {
+ if (node->type == XML_ELEMENT_NODE)
+ num_facets++;
+ }
+ facet_list = facet_list_create(o, num_facets);
+ num_facets = 0;
+ for (node = ptr->children; node; node= node->next)
+ {
+ if (match_element(node, "facet")) {
+ facet_list_field_set(o, facet_list, yaz_sru_proxy_decode_facet_field(o, node), num_facets);
+ num_facets++;
+ }
+ }
+ *facetList = facet_list;
+ break;
+ }
+ }
+ return 0;
+}
+
+
+
+static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr,
+ Z_SRW_diagnostic **recs, int *num,
+ void *client_data, const char *ns)
+{
+ int i;
+ xmlNodePtr ptr;
+ *num = 0;
+ for (ptr = pptr; ptr; ptr = ptr->next)
+ {
+ if (ptr->type == XML_ELEMENT_NODE &&
+ !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
+ (*num)++;
+ }
+ if (!*num)
+ return 1;
+ *recs = (Z_SRW_diagnostic *) odr_malloc(o, *num * sizeof(**recs));
+ for (i = 0; i < *num; i++)
+ {
+ (*recs)[i].uri = 0;
+ (*recs)[i].details = 0;
+ (*recs)[i].message = 0;
+ }
+ for (i = 0, ptr = pptr; ptr; ptr = ptr->next)
+ {
+ if (ptr->type == XML_ELEMENT_NODE &&
+ !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
+ {
+ xmlNodePtr rptr;
(*recs)[i].uri = 0;
(*recs)[i].details = 0;
(*recs)[i].message = 0;
- }
- for (i = 0, ptr = pptr->children; ptr; ptr = ptr->next)
- {
- if (ptr->type == XML_ELEMENT_NODE &&
- !xmlStrcmp(ptr->name, BAD_CAST "diagnostic"))
+ for (rptr = ptr->children; rptr; rptr = rptr->next)
{
- xmlNodePtr rptr;
- (*recs)[i].uri = 0;
- (*recs)[i].details = 0;
- (*recs)[i].message = 0;
- for (rptr = ptr->children; rptr; rptr = rptr->next)
- {
- if (match_xsd_string(rptr, "uri", o,
- &(*recs)[i].uri))
- ;
- else if (match_xsd_string(rptr, "details", o,
- &(*recs)[i].details))
- ;
- else if (match_xsd_string(rptr, "message", o,
- &(*recs)[i].message))
- ;
- }
- i++;
+ if (match_xsd_string(rptr, "uri", o,
+ &(*recs)[i].uri))
+ ;
+ else if (match_xsd_string(rptr, "details", o,
+ &(*recs)[i].details))
+ ;
+ else if (match_xsd_string(rptr, "message", o,
+ &(*recs)[i].message))
+ ;
}
+ i++;
+ }
+ }
+ return 0;
+}
+
+int sru_decode_surrogate_diagnostics(const char *buf, size_t len,
+ Z_SRW_diagnostic **diag,
+ int *num, ODR odr)
+{
+ int ret = 0;
+ xmlDocPtr doc = xmlParseMemory(buf, len);
+ if (doc)
+ {
+ xmlNodePtr ptr = xmlDocGetRootElement(doc);
+ while (ptr && ptr->type != XML_ELEMENT_NODE)
+ ptr = ptr->next;
+ if (ptr && ptr->ns
+ && !xmlStrcmp(ptr->ns->href,
+ BAD_CAST "http://www.loc.gov/zing/srw/diagnostic/"))
+ {
+ ret = yaz_srw_decode_diagnostics(odr, ptr, diag, num, 0, 0);
}
+ xmlFreeDoc(doc);
+ }
+ return ret;
+}
+
+static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs,
+ int *num, void *client_data, const char *ns)
+{
+ if (o->direction == ODR_DECODE)
+ {
+ return yaz_srw_decode_diagnostics(o, pptr->children, recs, num, client_data, ns);
}
else if (o->direction == ODR_ENCODE)
{
if (match_xsd_string(ptr, "value", o, &term->value))
;
else if (match_xsd_integer(ptr, "numberOfRecords", o,
- &term->numberOfRecords))
+ &term->numberOfRecords))
;
else if (match_xsd_string(ptr, "displayTerm", o,
&term->displayTerm))
{
Z_SRW_PDU **p = handler_data;
xmlNodePtr method = pptr->children;
+ char *neg_version;
while (method && method->type == XML_TEXT_NODE)
method = method->next;
&(*p)->srw_version))
;
else if (match_xsd_string(ptr, "query", o,
- &req->query.cql))
+ &req->query.cql))
req->query_type = Z_SRW_query_type_cql;
else if (match_xsd_string(ptr, "pQuery", o,
- &req->query.pqf))
+ &req->query.pqf))
req->query_type = Z_SRW_query_type_pqf;
else if (match_xsd_string(ptr, "xQuery", o,
- &req->query.xcql))
+ &req->query.xcql))
req->query_type = Z_SRW_query_type_xcql;
else if (match_xsd_integer(ptr, "startRecord", o,
&req->startRecord))
&req->sort.sortKeys))
req->sort_type = Z_SRW_sort_type_sort;
else if (match_xsd_string(ptr, "stylesheet", o,
- &req->stylesheet))
+ &req->stylesheet))
;
else if (match_xsd_string(ptr, "database", o,
- &req->database))
+ &req->database))
;
}
if (!req->query.cql && !req->query.pqf && !req->query.xcql)
res->diagnostics = 0;
res->num_diagnostics = 0;
res->nextRecordPosition = 0;
+ res->facetList = 0;
for (; ptr; ptr = ptr->next)
{
if (match_xsd_string(ptr, "version", o,
&(*p)->srw_version))
;
+ else if (match_xsd_XML_n(ptr, "extraResponseData", o,
+ &(*p)->extraResponseData_buf,
+ &(*p)->extraResponseData_len))
+ ;
else if (match_xsd_integer(ptr, "numberOfRecords", o,
- &res->numberOfRecords))
+ &res->numberOfRecords))
;
else if (match_xsd_string(ptr, "resultSetId", o,
&res->resultSetId))
yaz_srw_diagnostics(o, ptr, &res->diagnostics,
&res->num_diagnostics,
client_data, ns);
+ else if (match_element(ptr, "facet_analysis"))
+ yaz_sru_proxy_decode_facets(o, ptr, &res->facetList);
}
}
else if (!xmlStrcmp(method->name, BAD_CAST "explainRequest"))
for (; ptr; ptr = ptr->next)
{
if (match_xsd_string(ptr, "version", o,
- &(*p)->srw_version))
+ &(*p)->srw_version))
+ ;
+ else if (match_xsd_XML_n(ptr, "extraResponseData", o,
+ &(*p)->extraResponseData_buf,
+ &(*p)->extraResponseData_len))
;
else if (match_xsd_string(ptr, "stylesheet", o,
&req->stylesheet))
;
else if (match_xsd_string(ptr, "recordPacking", o,
- &req->recordPacking))
+ &req->recordPacking))
;
else if (match_xsd_string(ptr, "database", o,
- &req->database))
+ &req->database))
;
}
}
for (; ptr; ptr = ptr->next)
{
if (match_xsd_string(ptr, "version", o,
- &(*p)->srw_version))
+ &(*p)->srw_version))
+ ;
+ else if (match_xsd_XML_n(ptr, "extraResponseData", o,
+ &(*p)->extraResponseData_buf,
+ &(*p)->extraResponseData_len))
;
else if (match_element(ptr, "record"))
yaz_srw_record(o, ptr, &res->record, &res->extra_record,
if (match_xsd_string(ptr, "version", o,
&(*p)->srw_version))
;
+ else if (match_xsd_XML_n(ptr, "extraResponseData", o,
+ &(*p)->extraResponseData_buf,
+ &(*p)->extraResponseData_len))
+ ;
else if (match_xsd_string(ptr, "scanClause", o,
- &req->scanClause.cql))
+ &req->scanClause.cql))
;
else if (match_xsd_string(ptr, "pScanClause", o,
&req->scanClause.pqf))
if (match_xsd_string(ptr, "version", o,
&(*p)->srw_version))
;
+ else if (match_xsd_XML_n(ptr, "extraResponseData", o,
+ &(*p)->extraResponseData_buf,
+ &(*p)->extraResponseData_len))
+ ;
else if (match_element(ptr, "terms"))
yaz_srw_terms(o, ptr, &res->terms,
&res->num_terms, client_data,
*p = 0;
return -1;
}
+ neg_version = yaz_negotiate_sru_version((*p)->srw_version);
+ if (neg_version)
+ (*p)->srw_version = neg_version;
}
else if (o->direction == ODR_ENCODE)
{
Z_SRW_PDU **p = handler_data;
xmlNsPtr ns_srw;
+ xmlNodePtr ptr = 0;
if ((*p)->which == Z_SRW_searchRetrieve_request)
{
Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
- xmlNodePtr ptr = xmlNewChild(pptr, 0,
- BAD_CAST "searchRetrieveRequest", 0);
+ ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveRequest", 0);
ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
xmlSetNs(ptr, ns_srw);
else if ((*p)->which == Z_SRW_searchRetrieve_response)
{
Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
- xmlNodePtr ptr = xmlNewChild(pptr, 0,
- BAD_CAST "searchRetrieveResponse", 0);
+ ptr = xmlNewChild(pptr, 0, BAD_CAST "searchRetrieveResponse", 0);
ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
xmlSetNs(ptr, ns_srw);
else if ((*p)->which == Z_SRW_explain_request)
{
Z_SRW_explainRequest *req = (*p)->u.explain_request;
- xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest",
- 0);
+ ptr = xmlNewChild(pptr, 0, BAD_CAST "explainRequest", 0);
ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
xmlSetNs(ptr, ns_srw);
else if ((*p)->which == Z_SRW_explain_response)
{
Z_SRW_explainResponse *res = (*p)->u.explain_response;
- xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse",
- 0);
+ ptr = xmlNewChild(pptr, 0, BAD_CAST "explainResponse", 0);
ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
xmlSetNs(ptr, ns_srw);
else if ((*p)->which == Z_SRW_scan_request)
{
Z_SRW_scanRequest *req = (*p)->u.scan_request;
- xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
+ ptr = xmlNewChild(pptr, 0, BAD_CAST "scanRequest", 0);
ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
xmlSetNs(ptr, ns_srw);
else if ((*p)->which == Z_SRW_scan_response)
{
Z_SRW_scanResponse *res = (*p)->u.scan_response;
- xmlNodePtr ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
+ ptr = xmlNewChild(pptr, 0, BAD_CAST "scanResponse", 0);
ns_srw = xmlNewNs(ptr, BAD_CAST ns, BAD_CAST "zs");
xmlSetNs(ptr, ns_srw);
}
else
return -1;
+ if (ptr && (*p)->extraResponseData_len)
+ add_XML_n(ptr, "extraResponseData",
+ (*p)->extraResponseData_buf,
+ (*p)->extraResponseData_len, ns_srw);
+
}
return 0;
client_data, ns_ucp_str);
}
else if (match_xsd_string(ptr, "stylesheet", o,
- &req->stylesheet))
+ &req->stylesheet))
;
else if (match_xsd_string(ptr, "database", o,
- &req->database))
+ &req->database))
;
}
}
&(*p)->srw_version))
;
else if (match_xsd_string(ptr, "operationStatus", o,
- &res->operationStatus ))
+ &res->operationStatus ))
;
else if (match_xsd_string(ptr, "recordIdentifier", o,
&res->recordId))
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
projects / yaz-moved-to-github.git / blobdiff