-/* $Id: retrieve.c,v 1.46 2006-11-09 14:39:24 adam Exp $
+/* $Id: retrieve.c,v 1.51 2006-11-16 10:49:11 adam Exp $
Copyright (C) 1995-2006
Index Data ApS
#include <yaz/diagbib1.h>
#include <direntz.h>
-int zebra_storedata_fetch(ZebraHandle zh, SYSNO sysno, ODR odr,
+
+
+
+static int zebra_create_record_stream(ZebraHandle zh,
+ Record *rec,
+ struct ZebraRecStream *stream){
+
+ RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, *rec);
+
+ if ((*rec)->size[recInfo_storeData] > 0){
+ zebra_create_stream_mem(stream, (*rec)->info[recInfo_storeData],
+ (*rec)->size[recInfo_storeData]);
+ }
+ else {
+ char full_rep[1024];
+ int fd;
+
+ if (zh->path_reg && !yaz_is_abspath((*rec)->info[recInfo_filename])){
+ strcpy(full_rep, zh->path_reg);
+ strcat(full_rep, "/");
+ strcat(full_rep, (*rec)->info[recInfo_filename]);
+ }
+ else
+ strcpy(full_rep, (*rec)->info[recInfo_filename]);
+
+ if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1){
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "Retrieve fail; missing file: %s",
+ full_rep);
+ rec_free(rec);
+ return 14;
+ }
+ zebra_create_stream_fd(stream, fd, recordAttr->recordOffset);
+ }
+ return 0;
+}
+
+
+
+static void parse_zebra_elem(const char *elem,
+ const char **index, size_t *index_len,
+ const char **type, size_t *type_len)
+{
+ *type = 0;
+ *type_len = 0;
+
+ *index = 0;
+ *index_len = 0;
+
+ if (elem && *elem)
+ {
+ const char *cp = strchr(elem, ':');
+
+ if (!cp) /* no colon */
+ {
+ *index = elem;
+ *index_len = strlen(elem);
+ }
+ else if (cp[1] == '\0') /* 'index:' */
+ {
+ *index = elem;
+ *index_len = cp - elem;
+ }
+ else
+ {
+ *index = elem;
+ *index_len = cp - elem;
+ *type = cp+1;
+ *type_len = strlen(cp+1);
+ }
+ }
+}
+
+
+int zebra_special_index_fetch(ZebraHandle zh, SYSNO sysno, ODR odr,
Record rec,
- const char *element_set,
+ const char *elemsetname,
oid_value input_format,
oid_value *output_format,
char **rec_bufp, int *rec_lenp)
{
- WRBUF wrbuf = wrbuf_alloc();
- zebra_rec_keys_t keys = zebra_rec_keys_open();
- zebra_rec_keys_set_buf(keys,
- rec->info[recInfo_delKeys],
- rec->size[recInfo_delKeys],
- 0);
- if (zebra_rec_keys_rewind(keys))
+ const char *retrieval_index;
+ size_t retrieval_index_len;
+ const char *retrieval_type;
+ size_t retrieval_type_len;
+ WRBUF wrbuf = 0;
+ zebra_rec_keys_t keys;
+
+ /* only accept XML and SUTRS requests */
+ if (input_format != VAL_TEXT_XML
+ && input_format != VAL_SUTRS){
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ elemsetname);
+ *output_format = VAL_NONE;
+ return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
+ }
+
+ parse_zebra_elem(elemsetname,
+ &retrieval_index, &retrieval_index_len,
+ &retrieval_type, &retrieval_type_len);
+
+ if (retrieval_type_len != 0 && retrieval_type_len != 1)
+ {
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ }
+
+ if (retrieval_index_len)
{
+ char retrieval_index_cstr[256];
+
+ if (retrieval_index_len < sizeof(retrieval_index_cstr) -1)
+ {
+ memcpy(retrieval_index_cstr, retrieval_index, retrieval_index_len);
+ retrieval_index_cstr[retrieval_index_len] = '\0';
+
+ if (zebraExplain_lookup_attr_str(zh->reg->zei,
+ zinfo_index_category_index,
+ (retrieval_type_len == 0 ? -1 :
+ retrieval_type[0]),
+ retrieval_index_cstr) == -1)
+ {
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ }
+ }
+ }
+
+ keys = zebra_rec_keys_open();
+ zebra_rec_keys_set_buf(keys, rec->info[recInfo_delKeys],
+ rec->size[recInfo_delKeys], 0);
+
+ wrbuf = wrbuf_alloc();
+ if (zebra_rec_keys_rewind(keys)){
size_t slen;
const char *str;
struct it_key key_in;
- while(zebra_rec_keys_read(keys, &str, &slen, &key_in))
- {
+
+ if (input_format == VAL_TEXT_XML){
+ *output_format = VAL_TEXT_XML;
+ /*wrbuf_printf(wrbuf,
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");*/
+
+ wrbuf_printf(wrbuf,
+ "<record xmlns="
+ "\"http://www.indexdata.com/zebra/\""
+ " sysno=\"" ZINT_FORMAT "\""
+ " set=\"zebra::index::%s/\">\n",
+ sysno, elemsetname);
+ }
+ else if (input_format == VAL_SUTRS)
+ *output_format = VAL_SUTRS;
+
+
+ while(zebra_rec_keys_read(keys, &str, &slen, &key_in)){
int i;
int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
int index_type;
const char *db = 0;
const char *string_index = 0;
+ size_t string_index_len;
char dst_buf[IT_MAX_WORD];
zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db,
&string_index);
-
- if (string_index)
- wrbuf_printf(wrbuf, "%s", string_index);
-
- zebra_term_untrans(zh, index_type, dst_buf, str);
- wrbuf_printf(wrbuf, " %s", dst_buf);
-
- for (i = 1; i < key_in.len; i++)
- wrbuf_printf(wrbuf, " " ZINT_FORMAT, key_in.mem[i]);
- wrbuf_printf(wrbuf, "\n");
-
+ string_index_len = strlen(string_index);
+ if (retrieval_index == 0
+ || (string_index_len == retrieval_index_len
+ && !memcmp(string_index, retrieval_index,
+ string_index_len))){
+
+ if (retrieval_type == 0
+ || (retrieval_type_len == 1
+ && retrieval_type[0] == index_type)){
+
+ if (input_format == VAL_TEXT_XML){
+ wrbuf_printf(wrbuf, " <index name=\"%s\"",
+ string_index);
+
+ wrbuf_printf(wrbuf, " type=\"%c\"", index_type);
+
+ wrbuf_printf(wrbuf, " seq=\"" ZINT_FORMAT "\">",
+ key_in.mem[key_in.len -1]);
+
+ zebra_term_untrans(zh, index_type, dst_buf, str);
+ wrbuf_xmlputs(wrbuf, dst_buf);
+ wrbuf_printf(wrbuf, "</index>\n");
+ }
+ else if (input_format == VAL_SUTRS){
+ wrbuf_printf(wrbuf, "%s ", string_index);
+
+ wrbuf_printf(wrbuf, "%c", index_type);
+
+ for (i = 1; i < key_in.len; i++)
+ wrbuf_printf(wrbuf, " " ZINT_FORMAT,
+ key_in.mem[i]);
+
+ zebra_term_untrans(zh, index_type, dst_buf, str);
+ wrbuf_printf(wrbuf, " %s", dst_buf);
+
+ wrbuf_printf(wrbuf, "\n");
+ }
+ }
+ }
}
- }
- *output_format = VAL_SUTRS;
+ if (input_format == VAL_TEXT_XML)
+ wrbuf_printf(wrbuf, "</record>\n");
+ }
+
*rec_lenp = wrbuf_len(wrbuf);
*rec_bufp = odr_malloc(odr, *rec_lenp);
memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp);
zebra_rec_keys_close(keys);
return 0;
}
+
+
+int zebra_special_fetch(ZebraHandle zh, SYSNO sysno, ODR odr,
+ const char *elemsetname,
+ oid_value input_format,
+ oid_value *output_format,
+ char **rec_bufp, int *rec_lenp)
+{
+ Record rec;
+
+ /* only accept XML and SUTRS requests */
+ if (input_format != VAL_TEXT_XML
+ && input_format != VAL_SUTRS){
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ elemsetname);
+ return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
+ }
+
+ /* processing zebra::meta::sysno elemset without fetching binary data */
+ if (elemsetname && 0 == strcmp(elemsetname, "meta::sysno"))
+ {
+ char rec_str[128];
+ if (input_format == VAL_SUTRS){
+ sprintf(rec_str, ZINT_FORMAT, sysno);
+ *output_format = VAL_SUTRS;
+ }
+ else if (input_format == VAL_TEXT_XML){
+ sprintf(rec_str, "<record xmlns="
+ "\"http://www.indexdata.com/zebra/\""
+ " sysno=\"" ZINT_FORMAT "\""
+ " set=\"zebra::%s\"/>\n",
+ sysno, elemsetname);
+ *output_format = VAL_TEXT_XML;
+ }
+ *rec_lenp = strlen(rec_str);
+ if (*rec_lenp){
+ *rec_bufp = odr_strdup(odr, rec_str);
+ return 0;
+ } else {
+ return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ }
+ }
+
+ /* fetching binary record up for all other display elementsets */
+ rec = rec_get(zh->reg->records, sysno);
+ if (!rec){
+ yaz_log(YLOG_WARN, "rec_get fail on sysno=" ZINT_FORMAT, sysno);
+ return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ }
+
+ /* processing special elementsetnames zebra::index:: */
+ if (elemsetname && 0 == strncmp(elemsetname, "index::", 7)){
+
+ int ret = zebra_special_index_fetch(zh, sysno, odr, rec,
+ elemsetname + 7,
+ input_format, output_format,
+ rec_bufp, rec_lenp);
+
+ rec_free(&rec);
+ return ret;
+ }
+
+ /* processing special elementsetnames zebra::data */
+ if (elemsetname && 0 == strcmp(elemsetname, "data")){
+ struct ZebraRecStream stream;
+ RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
+ zebra_create_record_stream(zh, &rec, &stream);
+ *output_format = VAL_SUTRS;
+ *rec_lenp = recordAttr->recordSize;
+ *rec_bufp = (char *) odr_malloc(odr, *rec_lenp);
+ stream.readf(&stream, *rec_bufp, *rec_lenp);
+ stream.destroy(&stream);
+ rec_free(&rec);
+ return 0;
+ }
+
+ if (rec)
+ rec_free(&rec);
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+}
+
int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score,
zebra_snippets *hit_snippet, ODR odr,
{
Record rec;
char *fname, *file_type, *basename;
+ const char *elemsetname;
struct ZebraRecStream stream;
RecordAttr *recordAttr;
void *clientData;
- int raw_mode = 0;
int return_code = 0;
*basenamep = 0;
*addinfo = 0;
- if (comp && comp->which == Z_RecordComp_simple &&
- comp->u.simple->which == Z_ElementSetNames_generic &&
- !strcmp (comp->u.simple->u.generic, "_sysno_"))
- {
- char rec_str[60];
- sprintf(rec_str, ZINT_FORMAT, sysno);
- *output_format = VAL_SUTRS;
- *rec_lenp = strlen(rec_str);
- *rec_bufp = odr_strdup(odr, rec_str);
- return 0;
- }
- rec = rec_get (zh->reg->records, sysno);
+ elemsetname = yaz_get_esn(comp);
+
+ /* processing zebra special elementset names of form 'zebra:: */
+ /* SUGGESTION: do not check elemset nema here, buuuut ... */
+ if (elemsetname && 0 == strncmp(elemsetname, "zebra::", 7))
+ return zebra_special_fetch(zh, sysno, odr,
+ elemsetname + 7,
+ input_format, output_format,
+ rec_bufp, rec_lenp);
+
+
+ /* processing all other element set names */
+ rec = rec_get(zh->reg->records, sysno);
if (!rec)
{
- yaz_log (YLOG_DEBUG, "rec_get fail on sysno=" ZINT_FORMAT, sysno);
+ yaz_log(YLOG_WARN, "rec_get fail on sysno=" ZINT_FORMAT, sysno);
*basenamep = 0;
return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
}
- recordAttr = rec_init_attr (zh->reg->zei, rec);
+
+
+ recordAttr = rec_init_attr(zh->reg->zei, rec);
file_type = rec->info[recInfo_fileType];
fname = rec->info[recInfo_filename];
*basenamep = (char *) odr_malloc (odr, strlen(basename)+1);
strcpy (*basenamep, basename);
- if (comp && comp->which == Z_RecordComp_simple
- && comp->u.simple->which == Z_ElementSetNames_generic
- && strncmp(comp->u.simple->u.generic, "zebra:", 6) == 0)
- {
- int r = zebra_storedata_fetch(zh, sysno, odr, rec,
- comp->u.simple->u.generic,
- input_format, output_format,
- rec_bufp, rec_lenp);
-
- rec_free(&rec);
- return r;
- }
-
- if (comp && comp->which == Z_RecordComp_simple &&
- comp->u.simple->which == Z_ElementSetNames_generic &&
- !strcmp (comp->u.simple->u.generic, "R"))
- {
- raw_mode = 1;
- }
- yaz_log (YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d",
- sysno, score);
- if (rec->size[recInfo_storeData] > 0)
- {
- zebra_create_stream_mem(&stream, rec->info[recInfo_storeData],
- rec->size[recInfo_storeData]);
- }
- else
- {
- char full_rep[1024];
- int fd;
-
- if (zh->path_reg && !yaz_is_abspath (fname))
- {
- strcpy (full_rep, zh->path_reg);
- strcat (full_rep, "/");
- strcat (full_rep, fname);
- }
- else
- strcpy (full_rep, fname);
-
- if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
- {
- yaz_log (YLOG_WARN|YLOG_ERRNO, "Retrieve fail; missing file: %s",
- full_rep);
- rec_free(&rec);
- return 14;
- }
- zebra_create_stream_fd(&stream, fd, recordAttr->recordOffset);
- }
+ yaz_log(YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d",
+ sysno, score);
- if (raw_mode)
- {
- *output_format = VAL_SUTRS;
- *rec_lenp = recordAttr->recordSize;
- *rec_bufp = (char *) odr_malloc(odr, *rec_lenp);
- stream.readf(&stream, *rec_bufp, *rec_lenp);
- }
- else
+ zebra_create_record_stream(zh, &rec, &stream);
+
{
/* snippets code */
zebra_snippets *snippet;
zebra_snippets_log(snippet, YLOG_LOG);
#endif
- if (!(rt = recType_byName (zh->reg->recTypes, zh->res,
- file_type, &clientData)))
+ /* SUGGESTION: do not check elemset name here, buuuut ...
+ add another recType Struct with zebra internal stuff here,
+ which overrides the Alvis/GRS-1/Safari filters ....
+ */
+ if (!(rt = recType_byName(zh->reg->recTypes, zh->res,
+ file_type, &clientData)))
{
return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
}
else
{
+ /* SUGGESTION: do not check elemset name here, buuuut ...
+ add another recType Struct with zebra internal stuff here,
+ which overrides the Alvis/GRS-1/Safari filters ....
+ (*rt->retrieve) method to make the correct encoded, etc, retrieval,
+ where all needed info already is found in the &retrieveCtr
+ parameter. This way, we do not need to re-code/dublicate a lot of
+ logic.
+ */
(*rt->retrieve)(clientData, &retrieveCtrl);
return_code = retrieveCtrl.diagnostic;
*rec_lenp = retrieveCtrl.rec_len;
*addinfo = retrieveCtrl.addinfo;
}
+ /* another SUGGESTION: throw out all this snippet stuff in this
+ file, and do it correctly - either inside filters, or in another
+ new (*rt->retrieve)(clientData, &retrieveCtrl); type 'snippet'
+ */
+
zebra_snippets_destroy(snippet);
zebra_snippets_destroy(retrieveCtrl.doc_snippet);
- }
+ }
+
stream.destroy(&stream);
rec_free(&rec);