* Copyright (c) 2002-2003, Index Data.
* See the file LICENSE for details.
*
- * $Id: srw.c,v 1.3 2003-02-17 14:35:42 adam Exp $
+ * $Id: srw.c,v 1.12 2003-03-24 22:26:51 adam Exp $
*/
#include <yaz/srw.h>
-#if HAVE_XSLT
+#if HAVE_XML2
#include <libxml/parser.h>
#include <libxml/tree.h>
+static void add_XML_n(xmlNodePtr ptr, const char *elem, char *val, int len)
+{
+ if (val)
+ {
+ xmlDocPtr doc = xmlParseMemory(val,len);
+ if (doc)
+ {
+ xmlNodePtr c = xmlNewChild(ptr, 0, elem, 0);
+ xmlNodePtr t = xmlDocGetRootElement(doc);
+ xmlAddChild(c, xmlCopyNode(t,1));
+ xmlFreeDoc(doc);
+ }
+ }
+}
+
static void add_xsd_string_n(xmlNodePtr ptr, const char *elem, char *val,
int len)
{
return 0;
}
+#define CHECK_TYPE 0
+
static int match_xsd_string_n(xmlNodePtr ptr, const char *elem, ODR o,
char **val, int *len)
{
+#if CHECK_TYPE
struct _xmlAttr *attr;
+#endif
if (!match_element(ptr, elem))
return 0;
-#if 0
+#if CHECK_TYPE
for (attr = ptr->properties; attr; attr = attr->next)
if (!strcmp(attr->name, "type") &&
attr->children && attr->children->type == XML_TEXT_NODE)
static int match_xsd_integer(xmlNodePtr ptr, const char *elem, ODR o, int **val)
{
+#if CHECK_TYPE
struct _xmlAttr *attr;
+#endif
if (!match_element(ptr, elem))
return 0;
-#if 0
+#if CHECK_TYPE
for (attr = ptr->properties; attr; attr = attr->next)
if (!strcmp(attr->name, "type") &&
attr->children && attr->children->type == XML_TEXT_NODE)
{
xmlNodePtr rptr;
(*recs)[i].recordSchema = 0;
+ (*recs)[i].recordPacking = Z_SRW_recordPacking_string;
(*recs)[i].recordData_buf = 0;
(*recs)[i].recordData_len = 0;
(*recs)[i].recordPosition = 0;
{
xmlNodePtr rptr = xmlNewChild(pptr, 0, "record", 0);
add_xsd_string(rptr, "recordSchema", (*recs)[i].recordSchema);
- add_xsd_string_n(rptr, "recordData", (*recs)[i].recordData_buf,
- (*recs)[i].recordData_len);
+ switch((*recs)[i].recordPacking)
+ {
+ case Z_SRW_recordPacking_string:
+ add_xsd_string_n(rptr, "recordData", (*recs)[i].recordData_buf,
+ (*recs)[i].recordData_len);
+ break;
+ case Z_SRW_recordPacking_XML:
+ add_XML_n(rptr, "recordXML", (*recs)[i].recordData_buf,
+ (*recs)[i].recordData_len);
+ break;
+ }
add_xsd_integer(rptr, "recordPosition", (*recs)[i].recordPosition);
}
}
}
-int yaz_srw_codec(ODR o, void * vptr, Z_SRW_searchRetrieve **handler_data,
+int yaz_srw_codec(ODR o, void * vptr, Z_SRW_PDU **handler_data,
void *client_data, const char *ns)
{
xmlNodePtr pptr = vptr;
while (method && method->type == XML_TEXT_NODE)
method = method->next;
- if (method->type != XML_ELEMENT_NODE)
+ if (!method || method->type != XML_ELEMENT_NODE)
return -1;
- if (method && !strcmp(method->name, "searchRetrieveRequest"))
+ if (!strcmp(method->name, "searchRetrieveRequest"))
{
- Z_SRW_searchRetrieve **p = handler_data;
+ Z_SRW_PDU **p = handler_data;
xmlNodePtr ptr = method->children;
Z_SRW_searchRetrieveRequest *req;
*p = odr_malloc(o, sizeof(**p));
(*p)->which = Z_SRW_searchRetrieve_request;
req = (*p)->u.request = odr_malloc(o, sizeof(*req));
- req->query = 0;
- req->xQuery = 0;
- req->sortKeys = 0;
- req->xSortKeys = 0;
+ req->query_type = Z_SRW_query_type_cql;
+ req->query.cql = 0;
+ req->sort_type = Z_SRW_sort_type_none;
+ req->sort.none = 0;
req->startRecord = 0;
req->maximumRecords = 0;
req->recordSchema = 0;
for (; ptr; ptr = ptr->next)
{
if (match_xsd_string(ptr, "query", o,
- &req->query))
- ;
+ &req->query.cql))
+ req->query_type = Z_SRW_query_type_cql;
else if (match_xsd_string(ptr, "pQuery", o,
- &req->pQuery))
- ;
+ &req->query.pqf))
+ req->query_type = Z_SRW_query_type_pqf;
+ else if (match_xsd_string(ptr, "xQuery", o,
+ &req->query.xcql))
+ req->query_type = Z_SRW_query_type_xcql;
else if (match_xsd_string(ptr, "sortKeys", o,
- &req->sortKeys))
- ;
+ &req->sort.sortKeys))
+ req->sort_type = Z_SRW_sort_type_sort;
else if (match_xsd_string(ptr, "recordSchema", o,
&req->recordSchema))
;
/* missing is xQuery, xSortKeys .. */
}
}
- else if (method && !strcmp(method->name, "searchRetrieveResponse"))
+ else if (!strcmp(method->name, "searchRetrieveResponse"))
{
- Z_SRW_searchRetrieve **p = handler_data;
+ Z_SRW_PDU **p = handler_data;
xmlNodePtr ptr = method->children;
Z_SRW_searchRetrieveResponse *res;
&res->nextRecordPosition))
;
}
+ }
+ else if (!strcmp(method->name, "explainRequest"))
+ {
+ Z_SRW_PDU **p = handler_data;
+ Z_SRW_explainRequest *req;
+
+ *p = odr_malloc(o, sizeof(**p));
+ (*p)->which = Z_SRW_explain_request;
+ req = (*p)->u.explain_request = odr_malloc(o, sizeof(*req));
+ req->dummy = 0;
+ }
+ else if (!strcmp(method->name, "explainResponse"))
+ {
+ Z_SRW_PDU **p = handler_data;
+ Z_SRW_explainResponse *res;
+ xmlNodePtr ptr = method->children;
+ *p = odr_malloc(o, sizeof(**p));
+ (*p)->which = Z_SRW_explain_response;
+ res = (*p)->u.explain_response = odr_malloc(o, sizeof(*res));
+ res->explainData_buf = 0;
+ res->explainData_len = 0;
+ res->explainPacking = Z_SRW_recordPacking_string;
+ for (; ptr; ptr = ptr->next)
+ {
+ match_xsd_string_n(ptr, "Explain", o,
+ &res->explainData_buf,
+ &res->explainData_len);
+ }
}
else
return -1;
}
else if (o->direction == ODR_ENCODE)
{
- Z_SRW_searchRetrieve **p = handler_data;
+ Z_SRW_PDU **p = handler_data;
if ((*p)->which == Z_SRW_searchRetrieve_request)
{
Z_SRW_searchRetrieveRequest *req = (*p)->u.request;
- xmlNsPtr ns_srw = xmlNewNs(pptr, ns, "zs");
- xmlNodePtr ptr = xmlNewChild(pptr, ns_srw,
+ xmlNodePtr ptr = xmlNewChild(pptr, 0,
"searchRetrieveRequest", 0);
+ xmlNsPtr ns_srw = xmlNewNs(ptr, ns, "zs");
+
+ xmlSetNs(ptr, ns_srw);
- add_xsd_string(ptr, "query", req->query);
- add_xsd_string(ptr, "pQuery", req->pQuery);
- add_xsd_string(ptr, "sortKeys", req->sortKeys);
+ switch(req->query_type)
+ {
+ case Z_SRW_query_type_cql:
+ add_xsd_string(ptr, "query", req->query.cql);
+ break;
+ case Z_SRW_query_type_xcql:
+ add_xsd_string(ptr, "xQuery", req->query.xcql);
+ break;
+ case Z_SRW_query_type_pqf:
+ add_xsd_string(ptr, "pQuery", req->query.pqf);
+ break;
+ }
+ switch(req->sort_type)
+ {
+ case Z_SRW_sort_type_none:
+ break;
+ case Z_SRW_sort_type_sort:
+ add_xsd_string(ptr, "sortKeys", req->sort.sortKeys);
+ break;
+ case Z_SRW_sort_type_xSort:
+ add_xsd_string(ptr, "xSortKeys", req->sort.xSortKeys);
+ break;
+ }
add_xsd_integer(ptr, "startRecord", req->startRecord);
add_xsd_integer(ptr, "maximumRecords", req->maximumRecords);
add_xsd_string(ptr, "recordSchema", req->recordSchema);
else if ((*p)->which == Z_SRW_searchRetrieve_response)
{
Z_SRW_searchRetrieveResponse *res = (*p)->u.response;
- xmlNsPtr ns_srw = xmlNewNs(pptr, ns, "zs");
- xmlNodePtr ptr = xmlNewChild(pptr, ns_srw,
+ xmlNodePtr ptr = xmlNewChild(pptr, 0,
"searchRetrieveResponse", 0);
+ xmlNsPtr ns_srw = xmlNewNs(ptr, ns, "zs");
+ xmlSetNs(ptr, ns_srw);
add_xsd_integer(ptr, "numberOfRecords", res->numberOfRecords);
add_xsd_string(ptr, "resultSetId", res->resultSetId);
add_xsd_integer(ptr, "resultSetIdleTime", res->resultSetIdleTime);
}
add_xsd_integer(ptr, "nextRecordPosition", res->nextRecordPosition);
}
+ else if ((*p)->which == Z_SRW_explain_request)
+ {
+ Z_SRW_explainRequest *req = (*p)->u.explain_request;
+ xmlNodePtr ptr = xmlNewChild(pptr, 0, "explainRequest", 0);
+ xmlNsPtr ns_srw = xmlNewNs(ptr, ns, "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, "explainResponse", 0);
+ xmlNsPtr ns_srw = xmlNewNs(ptr, ns, "zs");
+
+ xmlSetNs(ptr, ns_srw);
+
+ add_xsd_string_n(ptr, "Explain", res->explainData_buf,
+ res->explainData_len);
+ }
else
return -1;
return 0;
}
-Z_SRW_searchRetrieve *yaz_srw_get(ODR o, int which)
+Z_SRW_PDU *yaz_srw_get(ODR o, int which)
{
- Z_SRW_searchRetrieve *sr = odr_malloc(o, sizeof(*o));
+ Z_SRW_PDU *sr = odr_malloc(o, sizeof(*o));
sr->which = which;
switch(which)
{
case Z_SRW_searchRetrieve_request:
- sr->u.request = odr_malloc(o, sizeof(*sr->u.request));
- sr->u.request->query = 0;
- sr->u.request->xQuery = 0;
- sr->u.request->pQuery = 0;
- sr->u.request->sortKeys = 0;
- sr->u.request->xSortKeys = 0;
+ sr->u.request = (Z_SRW_searchRetrieveRequest *)
+ odr_malloc(o, sizeof(*sr->u.request));
+ sr->u.request->query_type = Z_SRW_query_type_cql;
+ sr->u.request->query.cql = 0;
+ sr->u.request->sort_type = Z_SRW_sort_type_none;
+ sr->u.request->sort.none = 0;
sr->u.request->startRecord = 0;
sr->u.request->maximumRecords = 0;
sr->u.request->recordSchema = 0;
sr->u.request->database = 0;
break;
case Z_SRW_searchRetrieve_response:
- sr->u.response = odr_malloc(o, sizeof(*sr->u.response));
+ sr->u.response = (Z_SRW_searchRetrieveResponse *)
+ odr_malloc(o, sizeof(*sr->u.response));
sr->u.response->numberOfRecords = 0;
sr->u.response->resultSetId = 0;
sr->u.response->resultSetIdleTime = 0;
sr->u.response->diagnostics = 0;
sr->u.response->num_diagnostics = 0;
sr->u.response->nextRecordPosition = 0;
+ break;
+ case Z_SRW_explain_request:
+ sr->u.explain_request = (Z_SRW_explainRequest *)
+ odr_malloc(o, sizeof(*sr->u.explain_request));
+ sr->u.explain_request->dummy = 0;
+ break;
+ case Z_SRW_explain_response:
+ sr->u.explain_response = (Z_SRW_explainResponse *)
+ odr_malloc(o, sizeof(*sr->u.explain_response));
+ sr->u.explain_response->explainPacking = 0;
+ sr->u.explain_response->explainData_buf = 0;
+ sr->u.explain_response->explainData_len = 0;
}
return sr;
}
#endif
-const char *yaz_srw_error_str (int code)
-{
- return "SRW error";
-}
-
-#if 0
-
-1 Permanent system error
-2 System temporarily unavailable
-3 Authentication error
- /* Diagnostics Relating to CQL */
-Number Description
-10 Illegal query
-11 Unsupported query type (XCQL vs CQL)
-12 Too many characters in query
-13 Unbalanced or illegal use of parentheses
-14 Unbalanced or illegal use of quotes
-15 Illegal or unsupported index set
-16 Illegal or unsupported index
-17 Illegal or unsupported combination of index and index set
-18 Illegal or unsupported combination of indexes
-19 Illegal or unsupported relation
-20 Illegal or unsupported relation modifier
-21 Illegal or unsupported combination of relation modifers
-22 Illegal or unsupported combination of relation and index
-23 Too many characters in term
-24 Illegal combination of relation and term
-25 Special characters not quoted in term
-26 Non special character escaped in term
-27 Empty term unsupported
-28 Masking character not supported
-29 Masked words too short
-30 Too many masking characters in term
-31 Anchoring character not supported
-32 Anchoring character in illegal or unsupported position
-33 Combination of proximity/adjacency and masking characters not supported
-34 Combination of proximity/adjacency and anchoring characters not supported
-35 Terms only exclusion (stop) words
-36 Term in invalid format for index or relation
-37 Illegal or unsupported boolean operator
-38 Too many boolean operators in query
-39 Proximity not supported
-40 Illegal or unsupported proximity relation
-41 Illegal or unsupported proximity distance
-42 Illegal or unsupported proximity unit
-43 Illegal or unsupported proximity ordering
-44 Illegal or unsupported combination of proximity modifiers
-45 Index set name (prefix) assigned to multiple identifiers
+static struct {
+ int code;
+ const char *msg;
+} yaz_srw_codes [] = {
+{1, "Permanent system error"},
+{2, "System temporarily unavailable"},
+{3, "Authentication error"},
+/* Diagnostics Relating to CQL */
+{10, "Illegal query"},
+{11, "Unsupported query type (XCQL vs CQL)"},
+{12, "Too many characters in query"},
+{13, "Unbalanced or illegal use of parentheses"},
+{14, "Unbalanced or illegal use of quotes"},
+{15, "Illegal or unsupported index set"},
+{16, "Illegal or unsupported index"},
+{17, "Illegal or unsupported combination of index and index set"},
+{18, "Illegal or unsupported combination of indexes"},
+{19, "Illegal or unsupported relation"},
+{20, "Illegal or unsupported relation modifier"},
+{21, "Illegal or unsupported combination of relation modifers"},
+{22, "Illegal or unsupported combination of relation and index"},
+{23, "Too many characters in term"},
+{24, "Illegal combination of relation and term"},
+{25, "Special characters not quoted in term"},
+{26, "Non special character escaped in term"},
+{27, "Empty term unsupported"},
+{28, "Masking character not supported"},
+{29, "Masked words too short"},
+{30, "Too many masking characters in term"},
+{31, "Anchoring character not supported"},
+{32, "Anchoring character in illegal or unsupported position"},
+{33, "Combination of proximity/adjacency and masking characters not supported"},
+{34, "Combination of proximity/adjacency and anchoring characters not supported"},
+{35, "Terms only exclusion (stop) words"},
+{36, "Term in invalid format for index or relation"},
+{37, "Illegal or unsupported boolean operator"},
+{38, "Too many boolean operators in query"},
+{39, "Proximity not supported"},
+{40, "Illegal or unsupported proximity relation"},
+{41, "Illegal or unsupported proximity distance"},
+{42, "Illegal or unsupported proximity unit"},
+{43, "Illegal or unsupported proximity ordering"},
+{44, "Illegal or unsupported combination of proximity modifiers"},
+{45, "Index set name (prefix) assigned to multiple identifiers"},
/* Diagnostics Relating to Result Sets */
-Number Description
-50 Result sets not supported
-51 Result set does not exist
-52 Result set temporarily unavailable
-53 Result sets only supported for retrieval
-54 Retrieval may only occur from an existing result set
-55 Combination of result sets with search terms not supported
-56 Only combination of single result set with search terms supported
-57 Result set created but no records available
-58 Result set created with unpredictable partial results available
-59 Result set created with valid partial results available
+{50, "Result sets not supported"},
+{51, "Result set does not exist"},
+{52, "Result set temporarily unavailable"},
+{53, "Result sets only supported for retrieval"},
+{54, "Retrieval may only occur from an existing result set"},
+{55, "Combination of result sets with search terms not supported"},
+{56, "Only combination of single result set with search terms supported"},
+{57, "Result set created but no records available"},
+{58, "Result set created with unpredictable partial results available"},
+{59, "Result set created with valid partial results available"},
/* Diagnostics Relating to Records */
-Number Description
-60 Too many records retrieved
-61 First record position out of range
-62 Negative number of records requested
-63 System error in retrieving records
-64 Record temporarily unavailable
-65 Record does not exist
-66 Unknown schema for retrieval
-67 Record not available in this schema
-68 Not authorised to send record
-69 Not authorised to send record in this schema
-70 Record too large to send
+{60, "Too many records retrieved"},
+{61, "First record position out of range"},
+{62, "Negative number of records requested"},
+{63, "System error in retrieving records"},
+{64, "Record temporarily unavailable"},
+{65, "Record does not exist"},
+{66, "Unknown schema for retrieval"},
+{67, "Record not available in this schema"},
+{68, "Not authorised to send record"},
+{69, "Not authorised to send record in this schema"},
+{70, "Record too large to send"},
/* Diagnostics Relating to Sorting */
-Number Description
-80 Sort not supported
-81 Unsupported sort type (sortKeys vs xSortKeys)
-82 Illegal or unsupported sort sequence
-83 Too many records
-84 Too many sort keys
-85 Duplicate sort keys
-86 Incompatible record formats
-87 Unsupported schema for sort
-88 Unsupported tag path for sort
-89 Tag path illegal or unsupported for schema
-90 Illegal or unsupported direction value
-91 Illegal or unsupported case value
-92 Illegal or unsupported missing value action
+{80, "Sort not supported"},
+{81, "Unsupported sort type (sortKeys vs xSortKeys)"},
+{82, "Illegal or unsupported sort sequence"},
+{83, "Too many records"},
+{84, "Too many sort keys"},
+{85, "Duplicate sort keys"},
+{86, "Incompatible record formats"},
+{87, "Unsupported schema for sort"},
+{88, "Unsupported tag path for sort"},
+{89, "Tag path illegal or unsupported for schema"},
+{90, "Illegal or unsupported direction value"},
+{91, "Illegal or unsupported case value"},
+{92, "Illegal or unsupported missing value action"},
/* Diagnostics Relating to Explain */
-Number Description
-100 Explain not supported
-101 Explain request type not supported (SOAP vs GET)
-102 Explain record temporarily unavailable
+{100, "Explain not supported"},
+{101, "Explain request type not supported (SOAP vs GET)"},
+{102, "Explain record temporarily unavailable"},
+{0, 0}
+};
-#endif
+const char *yaz_diag_srw_str (int code)
+{
+ int i;
+ for (i = 0; yaz_srw_codes[i].code; i++)
+ if (yaz_srw_codes[i].code == code)
+ return yaz_srw_codes[i].msg;
+ return 0;
+}
+
+
+/* bib1:srw */
+static int srw_bib1_map[] = {
+ 1, 1,
+ 2, 2,
+ 3, 11,
+ 4, 35,
+ 5, 12,
+ 6, 38,
+ 7, 30,
+ 8, 32,
+ 9, 29,
+ 10, 10,
+ 11, 12,
+ 11, 23,
+ 12, 60,
+ 13, 61,
+ 13, 62,
+ 14, 63,
+ 14, 64,
+ 14, 65,
+ 15, 68,
+ 15, 69,
+ 16, 70,
+ 17, 70,
+ 18, 50,
+ 19, 55,
+ 20, 56,
+ 21, 52,
+ 22, 50,
+ 23, 1, /* bad map */
+ 24, 63, /* bad map */
+ 25, 63, /* bad map */
+ 26, 63, /* bad map */
+ 27, 51,
+ 28, 52,
+ 29, 52,
+ 30, 51,
+ 31, 57,
+ 32, 58,
+ 33, 59,
+ 100, 1, /* bad map */
+ 101, 3,
+ 102, 3,
+ 103, 3,
+ 104, 3,
+ 105, 3,
+ 106, 66,
+ 107, 11,
+ 108, 10,
+ 108, 13,
+ 108, 14,
+ 108, 25,
+ 108, 26,
+ 108, 27,
+ 108, 45,
+
+ 109, 1,
+ 110, 37,
+ 111, 1,
+ 112, 58,
+ 113, 10,
+ 114, 16,
+ 115, 16,
+ 116, 16,
+ 117, 19,
+ 118, 22,
+ 119, 32,
+ 119, 31,
+ 120, 28,
+ 121, 15,
+ 122, 32,
+ 123, 22,
+ 123, 17,
+ 123, 18,
+ 124, 24,
+ 125, 36,
+ 126, 36,
+ 127, 36,
+ 128, 51,
+ 129, 39,
+ 130, 43,
+ 131, 40,
+ 132, 42,
+ 201, 44,
+ 201, 33,
+ 201, 34,
+ 202, 41,
+ 203, 43,
+ 205, 1, /* bad map */
+ 206, 1, /* bad map */
+ 207, 89,
+ 208, 1, /* bad map */
+ 209, 80,
+ 210, 80,
+ 210, 81,
+ 211, 84,
+ 212, 85,
+ 213, 92,
+ 214, 90,
+ 215, 91,
+ 216, 92,
+ 217, 63,
+ 218, 1, /* bad map */
+ 219, 1, /* bad map */
+ 220, 1, /* bad map */
+ 221, 1, /* bad map */
+ 222, 1, /* bad map */
+ 223, 1, /* bad map */
+ 224, 1, /* bad map */
+ 225, 1, /* bad map */
+ 226, 1, /* bad map */
+ 227, 66,
+ 228, 1, /* bad map */
+ 229, 36,
+ 230, 83,
+ 231, 89,
+ 232, 1,
+ 233, 1, /* bad map */
+ 234, 1, /* bad map */
+ 235, 2,
+ 236, 3,
+ 237, 82,
+ 238, 67,
+ 239, 66,
+ 240, 1, /* bad map */
+ 241, 1, /* bad map */
+ 242, 70,
+ 243, 1, /* bad map */
+ 244, 66,
+ 245, 10,
+ 246, 10,
+ 247, 10,
+ 1001, 1, /* bad map */
+ 1002, 1, /* bad map */
+ 1003, 1, /* bad map */
+ 1004, 1, /* bad map */
+ 1005, 1, /* bad map */
+ 1006, 1, /* bad map */
+ 1007, 100,
+ 1008, 1,
+ 1009, 1,
+ 1010, 3,
+ 1011, 3,
+ 1012, 3,
+ 1013, 3,
+ 1014, 3,
+ 1015, 3,
+ 1015, 3,
+ 1016, 3,
+ 1017, 3,
+ 1018, 2,
+ 1019, 2,
+ 1020, 2,
+ 1021, 3,
+ 1022, 3,
+ 1023, 3,
+ 1024, 16,
+ 1025, 3,
+ 1026, 64,
+ 1027, 1,
+ 1028, 65,
+ 1029, 1,
+ 1040, 1,
+ /* 1041-1065 */
+ 1066, 66,
+ 1066, 67,
+ 0
+};
+
+int yaz_diag_bib1_to_srw (int code)
+{
+ const int *p = srw_bib1_map;
+ while (*p)
+ {
+ if (code == p[0])
+ return p[1];
+ p += 2;
+ }
+ return 1;
+}
+
+int yaz_diag_srw_to_bib1(int code)
+{
+ const int *p = srw_bib1_map;
+ while (*p)
+ {
+ if (code == p[1])
+ return p[0];
+ p += 2;
+ }
+ return 1;
+}