X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fsrw.c;h=d0f83090faf5130baaf63c4804514719d24c2b26;hp=6cda0ccb063aaa04ece787ea6d6772c030da165a;hb=43a9d38d20c1b1bcd1a03b2445a501d27526bd35;hpb=8d691989077a0addcbd840d769dce6700f3d9622 diff --git a/src/srw.c b/src/srw.c index 6cda0cc..d0f8309 100644 --- a/src/srw.c +++ b/src/srw.c @@ -1,13 +1,14 @@ -/* - * 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 1.54 2007-01-03 08:42:15 adam Exp $ */ /** * \file srw.c * \brief Implements SRW/SRU package encoding and decoding */ +#if HAVE_CONFIG_H +#include +#endif #include #if YAZ_HAVE_XML2 @@ -62,12 +63,13 @@ xmlNodePtr add_xsd_string(xmlNodePtr ptr, const char *elem, const char *val) 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); } } @@ -130,27 +132,31 @@ static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o, char **val, int *len) { xmlBufferPtr buf; - xmlNode *tmp; if (!match_element(ptr, elem)) return 0; - ptr = ptr->children; - while (ptr && (ptr->type == XML_TEXT_NODE || ptr->type == XML_COMMENT_NODE)) - ptr = ptr->next; - if (!ptr) - return 0; - - /* copy node to get NS right (bug #740). */ - tmp = xmlCopyNode(ptr, 1); - buf = xmlBufferCreate(); + + /* Copy each element nodes at top. + In most cases there is only one root node.. At least one server + http://www.theeuropeanlibrary.org/sru/sru.pl + has multiple root nodes in recordData. + */ + for (ptr = ptr->children; ptr; ptr = ptr->next) + { + if (ptr->type == XML_ELEMENT_NODE) + { + /* copy node to get NS right (bug #740). */ + xmlNode *tmp = xmlCopyNode(ptr, 1); + + xmlNodeDump(buf, tmp->doc, tmp, 0, 0); + + xmlFreeNode(tmp); + } + } - xmlNodeDump(buf, tmp->doc, tmp, 0, 0); - - xmlFreeNode(tmp); - - *val = odr_malloc(o, buf->use+1); + *val = (char *) odr_malloc(o, buf->use+1); memcpy (*val, buf->content, buf->use); (*val)[buf->use] = '\0'; @@ -162,7 +168,8 @@ static int match_xsd_XML_n(xmlNodePtr ptr, const char *elem, ODR o, 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; @@ -188,10 +195,20 @@ static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o, int **val) 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) @@ -222,12 +239,8 @@ static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec, ; else if (match_xsd_string(ptr, "recordPacking", o, &spack)) { - if (spack && !strcmp(spack, "xml")) - pack = Z_SRW_recordPacking_XML; - if (spack && !strcmp(spack, "url")) - pack = Z_SRW_recordPacking_URL; - if (spack && !strcmp(spack, "string")) - pack = Z_SRW_recordPacking_string; + if (spack) + pack = yaz_srw_str_to_pack(spack); } else if (match_xsd_integer(ptr, "recordPosition", o, &rec->recordPosition)) @@ -281,22 +294,22 @@ static int yaz_srw_record(ODR o, xmlNodePtr pptr, Z_SRW_record *rec, { xmlNodePtr ptr = pptr; int pack = rec->recordPacking; - add_xsd_string(ptr, "recordSchema", rec->recordSchema); + const char *spack = yaz_srw_pack_to_str(pack); + add_xsd_string(ptr, "recordSchema", rec->recordSchema); + if (spack) + add_xsd_string(ptr, "recordPacking", spack); switch(pack) { case Z_SRW_recordPacking_string: - add_xsd_string(ptr, "recordPacking", "string"); add_xsd_string_n(ptr, "recordData", rec->recordData_buf, rec->recordData_len); break; case Z_SRW_recordPacking_XML: - add_xsd_string(ptr, "recordPacking", "xml"); add_XML_n(ptr, "recordData", rec->recordData_buf, rec->recordData_len, 0); break; case Z_SRW_recordPacking_URL: - add_xsd_string(ptr, "recordPacking", "url"); add_xsd_string_n(ptr, "recordData", rec->recordData_buf, rec->recordData_len); break; @@ -429,53 +442,85 @@ static int yaz_srw_versions(ODR o, xmlNodePtr pptr, return 0; } -static int yaz_srw_diagnostics(ODR o, xmlNodePtr pptr, Z_SRW_diagnostic **recs, - int *num, void *client_data, const char *ns) + +static int yaz_srw_decode_diagnostics(ODR o, xmlNodePtr pptr, + Z_SRW_diagnostic **recs, int *num, + void *client_data, const char *ns) + { - if (o->direction == ODR_DECODE) + int i; + xmlNodePtr ptr; + *num = 0; + for (ptr = pptr; ptr; ptr = ptr->next) { - int i; - xmlNodePtr ptr; - *num = 0; - for (ptr = pptr->children; 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++) + } + 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->children; ptr; ptr = ptr->next) + for (i = 0, ptr = pptr; ptr; ptr = ptr->next) + { + if (ptr->type == XML_ELEMENT_NODE && + !xmlStrcmp(ptr->name, BAD_CAST "diagnostic")) { - 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 (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) { @@ -594,6 +639,7 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, { Z_SRW_PDU **p = handler_data; xmlNodePtr method = pptr->children; + char *neg_version; while (method && method->type == XML_TEXT_NODE) method = method->next; @@ -691,12 +737,17 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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)) ; @@ -735,6 +786,10 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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, "stylesheet", o, &req->stylesheet)) ; @@ -766,6 +821,10 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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, "record")) yaz_srw_record(o, ptr, &res->record, &res->extra_record, client_data, ns); @@ -796,6 +855,10 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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)) ; @@ -836,6 +899,10 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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, @@ -851,17 +918,20 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_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); @@ -902,8 +972,7 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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); @@ -932,8 +1001,7 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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); @@ -945,8 +1013,7 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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); @@ -968,7 +1035,7 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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); @@ -990,7 +1057,7 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, 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); @@ -1012,6 +1079,11 @@ int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, } else return -1; + if (ptr && (*p)->extraResponseData_len) + add_XML_n(ptr, "extraResponseData", + (*p)->extraResponseData_buf, + (*p)->extraResponseData_len, ns_srw); + } return 0; @@ -1242,6 +1314,7 @@ int yaz_ucp_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data, /* * Local variables: * c-basic-offset: 4 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab