-/* $Id: retrieve.c,v 1.68 2007-04-16 08:44:32 adam Exp $
- Copyright (C) 1995-2007
- Index Data ApS
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) 2004-2013 Index Data
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <stdio.h>
#include <assert.h>
#include "index.h"
#include <yaz/diagbib1.h>
+#include <yaz/snprintf.h>
#include <direntz.h>
#include <yaz/oid_db.h>
+#include <zebra_strmap.h>
+
+#define MAX_SYSNOS_PER_RECORD 40
#define ZEBRA_XML_HEADER_STR "<record xmlns=\"http://www.indexdata.com/zebra/\""
-static int zebra_create_record_stream(ZebraHandle zh,
- Record *rec,
- struct ZebraRecStream *stream)
+struct special_fetch_s {
+ ZebraHandle zh;
+ const char *setname;
+ zint sysno;
+ int score;
+ NMEM nmem;
+};
+
+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)
+ if ((*rec)->size[recInfo_storeData] > 0
+ || (*rec)->info[recInfo_filename] == 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, "/");
}
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",
+
+ 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 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
}
return 0;
}
-
-static int parse_zebra_elem(const char *elem,
- const char **index, size_t *index_len,
- const char **type, size_t *type_len)
+struct index_spec {
+ const char *index_name;
+ const char *index_type;
+ const char *extra;
+ struct index_spec *next;
+};
+
+
+struct index_spec *parse_index_spec(const char *elem, NMEM nmem,
+ int *error)
{
- *index = 0;
- *index_len = 0;
-
- *type = 0;
- *type_len = 0;
-
- if (elem && *elem)
- {
- char *cp;
- /* verify that '::' is in the beginning of *elem
- and something more follows */
- if (':' != *elem
- || !(elem +1) || ':' != *(elem +1)
- || !(elem +2) || '\0' == *(elem +2))
- return 0;
-
- /* pick out info from string after '::' */
- elem = elem + 2;
- cp = strchr(elem, ':');
-
- if (!cp) /* index, no colon, no type */
- {
- *index = elem;
- *index_len = strlen(elem);
- }
- else if (cp[1] == '\0') /* colon, but no following type */
- {
- return 0;
- }
- else /* index, colon and type */
+ struct index_spec *first = 0;
+ struct index_spec **last = &first;
+ const char *cp = elem;
+
+ *error = 0;
+ if (cp[0] == ':' && cp[1] == ':')
+ {
+
+ cp++; /* skip first ':' */
+
+ for (;;)
{
- *index = elem;
- *index_len = cp - elem;
- *type = cp+1;
- *type_len = strlen(cp+1);
+ const char *cp0;
+ struct index_spec *spec = nmem_malloc(nmem, sizeof(*spec));
+ spec->index_type = 0;
+ spec->next = 0;
+ spec->extra = 0;
+
+ if (!first)
+ first = spec;
+ *last = spec;
+ last = &spec->next;
+
+ cp++; /* skip ',' or second ':' */
+ cp0 = cp;
+ while (*cp != ':' && *cp != '\0' && *cp != ',')
+ cp++;
+ spec->index_name = nmem_strdupn(nmem, cp0, cp - cp0);
+ if (*cp == ':') /* type as well */
+ {
+ cp++;
+ cp0 = cp;
+
+ while (*cp != '\0' && *cp != ',' && *cp != ':')
+ cp++;
+ spec->index_type = nmem_strdupn(nmem, cp0, cp - cp0);
+ }
+ if (*cp == ':') /* extra arguments */
+ {
+ cp++;
+ cp0 = cp;
+
+ while (*cp != '\0' && *cp != ',' && *cp != ':')
+ cp++;
+ spec->extra = nmem_strdupn(nmem, cp0, cp - cp0);
+ }
+ if (*cp != ',')
+ break;
}
}
- return 1;
+ if (*cp != '\0')
+ *error = 1;
+ return first;
}
-
-int zebra_special_sort_fetch(ZebraHandle zh, zint sysno, ODR odr,
- const char *elemsetname,
- const int *input_format,
- const int **output_format,
- char **rec_bufp, int *rec_lenp)
+static int sort_fetch(
+ struct special_fetch_s *fi, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
{
- const char *retrieval_index;
- size_t retrieval_index_len;
- const char *retrieval_type;
- size_t retrieval_type_len;
- char retrieval_index_cstr[256];
int ord;
+ ZebraHandle zh = fi->zh;
+ int error;
+ struct index_spec *spec;
- /* only accept XML and SUTRS requests */
- if (oid_oidcmp(input_format, yaz_oid_xml())
- && oid_oidcmp(input_format, yaz_oid_sutrs()))
- {
- yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
- elemsetname);
- *output_format = 0;
- return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- }
-
- if (!parse_zebra_elem(elemsetname,
- &retrieval_index, &retrieval_index_len,
- &retrieval_type, &retrieval_type_len))
- {
+ spec = parse_index_spec(elemsetname, fi->nmem, &error);
+ if (error)
return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
- }
-
- if (retrieval_type_len == 0)
- return -1; /* must have a register type specified */
- if (!retrieval_index_len ||
- retrieval_index_len >= sizeof(retrieval_index_cstr)-1)
- {
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
- }
-
- memcpy(retrieval_index_cstr, retrieval_index, retrieval_index_len);
- retrieval_index_cstr[retrieval_index_len] = '\0';
+ /* for sort fetches.. We allow only one index and type must be given */
+ if (!spec || spec->next || !spec->index_type)
+ return -1;
ord = zebraExplain_lookup_attr_str(zh->reg->zei,
zinfo_index_category_sort,
- retrieval_type[0],
- retrieval_index_cstr);
+ spec->index_type,
+ spec->index_name);
if (ord == -1)
return -1; /* is not a sort index */
else
{
- char dst_buf[IT_MAX_WORD];
- char str[IT_MAX_WORD];
- int index_type;
+ WRBUF wrbuf_str = wrbuf_alloc();
+ const char *index_type;
const char *db = 0;
const char *string_index = 0;
- WRBUF wrbuf = wrbuf_alloc();
-
- zebra_sort_sysno(zh->reg->sort_index, sysno);
- zebra_sort_type(zh->reg->sort_index, ord);
- zebra_sort_read(zh->reg->sort_index, str);
+ WRBUF wrbuf_result = result;
+ int off = 0;
- zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db, &string_index);
-
- zebra_term_untrans(zh, index_type, dst_buf, str);
-
-
- if (!oid_oidcmp(input_format, yaz_oid_xml()))
+ zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db,
+ &string_index);
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
- *output_format = yaz_oid_xml();
- wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
+ *output_format = yaz_oid_recsyn_xml;
+ wrbuf_printf(wrbuf_result, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\""
- " set=\"zebra::index%s/\">\n",
- sysno, elemsetname);
-
- wrbuf_printf(wrbuf, " <index name=\"%s\"",
- string_index);
- wrbuf_printf(wrbuf, " type=\"%c\">", index_type);
- wrbuf_xmlputs(wrbuf, dst_buf);
- wrbuf_printf(wrbuf, "</index>\n");
- wrbuf_printf(wrbuf, "</record>\n");
+ " set=\"zebra::index%s\">\n",
+ fi->sysno, elemsetname);
+ }
+ else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
+ {
+ *output_format = yaz_oid_recsyn_sutrs;
}
- else if (!oid_oidcmp(input_format, yaz_oid_sutrs()))
+ else
{
- *output_format = yaz_oid_sutrs();
-
- wrbuf_printf(wrbuf, "%s %c %s\n", string_index, index_type,
- dst_buf);
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ elemsetname);
+ *output_format = 0;
+ wrbuf_destroy(wrbuf_str);
+ return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
}
- *rec_lenp = wrbuf_len(wrbuf);
- *rec_bufp = odr_malloc(odr, *rec_lenp);
- memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp);
- wrbuf_destroy(wrbuf);
+ zebra_sort_type(zh->reg->sort_index, ord);
+ zebra_sort_sysno(zh->reg->sort_index, fi->sysno);
+ zebra_sort_read(zh->reg->sort_index, 0, wrbuf_str);
+
+ while (off != wrbuf_len(wrbuf_str))
+ {
+ char dst_buf[IT_MAX_WORD];
+ assert(off < wrbuf_len(wrbuf_str));
+ zebra_term_untrans(zh, index_type, dst_buf,
+ wrbuf_buf(wrbuf_str)+off);
+
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ {
+ wrbuf_printf(wrbuf_result, " <index name=\"%s\"",
+ string_index);
+ wrbuf_printf(wrbuf_result, " type=\"%s\">", index_type);
+ wrbuf_xmlputs(wrbuf_result, dst_buf);
+ wrbuf_printf(wrbuf_result, "</index>\n");
+ }
+ else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
+ {
+ wrbuf_printf(wrbuf_result, "%s %s %s\n", string_index, index_type,
+ dst_buf);
+ }
+ off += strlen(wrbuf_buf(wrbuf_str)+off) + 1;
+ }
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ {
+ wrbuf_printf(wrbuf_result, "</record>\n");
+ }
+ wrbuf_destroy(wrbuf_str);
return 0;
}
}
-
-int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
- Record rec,
- const char *elemsetname,
- const int *input_format,
- const int **output_format,
- char **rec_bufp, int *rec_lenp)
+
+static int special_index_fetch(
+ struct special_fetch_s *fi, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo,
+ Record rec)
{
- const char *retrieval_index;
- size_t retrieval_index_len;
- const char *retrieval_type;
- size_t retrieval_type_len;
zebra_rec_keys_t keys;
int ret_code = 0;
-
+ ZebraHandle zh = fi->zh;
+ struct index_spec *spec, *spec_list;
+ int error;
+
/* set output variables before processing possible error states */
/* *rec_lenp = 0; */
/* only accept XML and SUTRS requests */
- if (oid_oidcmp(input_format, yaz_oid_xml())
- && oid_oidcmp(input_format, yaz_oid_sutrs()))
+ if (oid_oidcmp(input_format, yaz_oid_recsyn_xml)
+ && oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
{
- yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
elemsetname);
*output_format = 0;
return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
}
- if (!parse_zebra_elem(elemsetname,
- &retrieval_index, &retrieval_index_len,
- &retrieval_type, &retrieval_type_len))
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
-
- if (retrieval_type_len != 0 && retrieval_type_len != 1)
+ spec_list = parse_index_spec(elemsetname, fi->nmem, &error);
+ if (error)
{
return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
}
- if (retrieval_index_len)
+ for (spec = spec_list; spec; spec = spec->next)
{
- 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_;
- }
+ if (zebraExplain_lookup_attr_str(zh->reg->zei,
+ zinfo_index_category_index,
+ spec->index_type,
+ spec->index_name) == -1)
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
}
keys = zebra_rec_keys_open();
size_t slen;
const char *str;
struct it_key key_in;
- WRBUF wrbuf = wrbuf_alloc();
-
- if (!oid_oidcmp(input_format, yaz_oid_xml()))
+ WRBUF wrbuf = result;
+
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
*output_format = input_format;
wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\""
- " set=\"zebra::index%s/\">\n",
- sysno, elemsetname);
+ " set=\"zebra::index%s\">\n",
+ fi->sysno, elemsetname);
}
- else if (!oid_oidcmp(input_format, yaz_oid_sutrs()))
+ else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
*output_format = input_format;
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 *index_type;
const char *db = 0;
const char *string_index = 0;
- size_t string_index_len;
char dst_buf[IT_MAX_WORD];
-
+ int match = 0;
+
zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db,
&string_index);
- string_index_len = strlen(string_index);
-
- /* process only if index is not defined,
- or if defined and matching */
- if (retrieval_index == 0
- || (string_index_len == retrieval_index_len
- && !memcmp(string_index, retrieval_index,
- string_index_len)))
+ if (!spec_list)
+ match = 1; /* match all if no specs were given */
+ else
{
- /* process only if type is not defined, or is matching */
- if (retrieval_type == 0
- || (retrieval_type_len == 1
- && retrieval_type[0] == index_type))
+ for (spec = spec_list; spec; spec = spec->next)
{
- zebra_term_untrans(zh, index_type, dst_buf, str);
- if (strlen(dst_buf))
- {
- if (!oid_oidcmp(input_format, yaz_oid_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]);
-
- wrbuf_xmlputs(wrbuf, dst_buf);
- wrbuf_printf(wrbuf, "</index>\n");
- }
- else
- {
- 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");
- }
- }
-
+ if ((!spec->index_type ||
+ !yaz_matchstr(spec->index_type, index_type))
+ &&
+ !yaz_matchstr(spec->index_name, string_index))
+ match = 1;
+ }
+ }
+ if (match)
+ {
+ if (zebra_term_untrans(zh, index_type, dst_buf, str))
+ *dst_buf = '\0'; /* untrans failed */
+
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ {
+ wrbuf_printf(wrbuf, " <index name=\"%s\"",
+ string_index);
+
+ wrbuf_printf(wrbuf, " type=\"%s\"", index_type);
+
+ wrbuf_printf(wrbuf, " seq=\"" ZINT_FORMAT "\">",
+ key_in.mem[key_in.len -1]);
+ wrbuf_xmlputs(wrbuf, dst_buf);
+ wrbuf_printf(wrbuf, "</index>\n");
+ }
+ else
+ {
+ wrbuf_printf(wrbuf, "%s ", string_index);
+
+ wrbuf_printf(wrbuf, "%s", index_type);
+
+ for (i = 1; i < key_in.len; i++)
+ wrbuf_printf(wrbuf, " " ZINT_FORMAT,
+ key_in.mem[i]);
+
+ wrbuf_printf(wrbuf, " %s", dst_buf);
+
+ wrbuf_printf(wrbuf, "\n");
}
}
}
- if (!oid_oidcmp(input_format, yaz_oid_xml()))
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_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);
- wrbuf_destroy(wrbuf);
}
zebra_rec_keys_close(keys);
return ret_code;
wrbuf_printf(wrbuf, "%s %i\n", name, value);
}
-int zebra_special_fetch(ZebraHandle zh, zint sysno, int score, ODR odr,
- const char *elemsetname,
- const int *input_format,
- const int **output_format,
- char **rec_bufp, int *rec_lenp)
+
+static void snippet_check_fields(ZebraHandle zh, WRBUF wrbuf,
+ zebra_snippets *doc,
+ const zebra_snippet_word *doc_w,
+ const char *w_index_type)
{
- Record rec;
-
- /* set output variables before processing possible error states */
- /* *rec_lenp = 0; */
+ /* beginning of snippet. See which fields the snippet also
+ occur */
+ const zebra_snippet_word *w;
+ int no = 0;
+ for (w = zebra_snippets_constlist(doc); w; w = w->next)
+ {
+ /* same sequence but other field? */
+ if (w->seqno == doc_w->seqno && w->ord != doc_w->ord)
+ {
+ const char *index_type;
+ const char *db = 0;
+ const char *string_index = 0;
+
+ zebraExplain_lookup_ord(zh->reg->zei, w->ord,
+ &index_type, &db, &string_index);
+ /* only report for same index type */
+ if (!strcmp(w_index_type, index_type))
+ {
+ if (no == 0)
+ wrbuf_printf(wrbuf, " fields=\"%s", string_index);
+ else
+ wrbuf_printf(wrbuf, " %s", string_index);
+ no++;
+ }
+ }
+ }
+ if (no)
+ wrbuf_printf(wrbuf, "\"");
+}
+
+static void snippet_xml_record(ZebraHandle zh, WRBUF wrbuf, zebra_snippets *doc)
+{
+ const zebra_snippet_word *doc_w;
+ int mark_state = 0;
+
+ wrbuf_printf(wrbuf, "%s>\n", ZEBRA_XML_HEADER_STR);
+ for (doc_w = zebra_snippets_constlist(doc); doc_w; doc_w = doc_w->next)
+ {
+ if (doc_w->mark)
+ {
+ const char *index_type;
+ const char *db = 0;
+ const char *string_index = 0;
+
+ zebraExplain_lookup_ord(zh->reg->zei, doc_w->ord,
+ &index_type, &db, &string_index);
+
+ if (mark_state == 0)
+ {
+
+ wrbuf_printf(wrbuf, " <snippet name=\"%s\"", string_index);
+ wrbuf_printf(wrbuf, " type=\"%s\"", index_type);
+ snippet_check_fields(zh, wrbuf, doc, doc_w, index_type);
+ wrbuf_printf(wrbuf, ">");
+ }
+ if (doc_w->match)
+ wrbuf_puts(wrbuf, "<s>");
+ /* not printing leading ws */
+ if (mark_state || !doc_w->ws || doc_w->match)
+ wrbuf_xmlputs(wrbuf, doc_w->term);
+ if (doc_w->match)
+ wrbuf_puts(wrbuf, "</s>");
+ }
+ else if (mark_state == 1)
+ {
+ wrbuf_puts(wrbuf, "</snippet>\n");
+ }
+ mark_state = doc_w->mark;
+ }
+ if (mark_state == 1)
+ {
+ wrbuf_puts(wrbuf, "</snippet>\n");
+ }
+ wrbuf_printf(wrbuf, "</record>");
+}
+int zebra_get_rec_snippets(ZebraHandle zh, zint sysno,
+ zebra_snippets *snippets)
+{
+ int return_code = 0;
+ Record rec = rec_get(zh->reg->records, sysno);
+ if (!rec)
+ {
+ yaz_log(YLOG_WARN, "rec_get fail on sysno=" ZINT_FORMAT, sysno);
+ return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ }
+ else
+ {
+ const char *file_type = rec->info[recInfo_fileType];
+ void *recTypeClientData;
+ RecType rt = recType_byName(zh->reg->recTypes, zh->res,
+ file_type, &recTypeClientData);
+
+ if (!rt)
+ return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ else
+ {
+ struct ZebraRecStream stream;
+ return_code = zebra_create_record_stream(zh, &rec, &stream);
+ if (return_code == 0)
+ {
+ extract_snippet(zh, snippets, &stream,
+ rt, recTypeClientData);
+
+ stream.destroy(&stream);
+ }
+ }
+ rec_free(&rec);
+ }
+ return return_code;
+}
+
+static int snippet_fetch(
+ struct special_fetch_s *fi, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
+{
+ ZebraHandle zh = fi->zh;
+ zebra_snippets *rec_snippets = zebra_snippets_create();
+ int return_code = zebra_get_rec_snippets(zh, fi->sysno, rec_snippets);
+
+ if (!return_code)
+ {
+ WRBUF wrbuf = result;
+ zebra_snippets *hit_snippet = zebra_snippets_create();
+
+ zebra_snippets_hit_vector(zh, fi->setname, fi->sysno, hit_snippet);
+
+#if 0
+ /* for debugging purposes */
+ yaz_log(YLOG_LOG, "---------------------------");
+ yaz_log(YLOG_LOG, "REC SNIPPET:");
+ zebra_snippets_log(rec_snippets, YLOG_LOG, 1);
+ yaz_log(YLOG_LOG, "---------------------------");
+ yaz_log(YLOG_LOG, "HIT SNIPPET:");
+ zebra_snippets_log(hit_snippet, YLOG_LOG, 1);
+#endif
+
+ zebra_snippets_ring(rec_snippets, hit_snippet, 5, 5);
+
+#if 0
+ yaz_log(YLOG_LOG, "---------------------------");
+ yaz_log(YLOG_LOG, "RING SNIPPET:");
+ zebra_snippets_log(rec_snippets, YLOG_LOG, 1);
+#endif
+ snippet_xml_record(zh, wrbuf, rec_snippets);
+
+ *output_format = yaz_oid_recsyn_xml;
+
+ zebra_snippets_destroy(hit_snippet);
+ }
+ zebra_snippets_destroy(rec_snippets);
+ return return_code;
+}
+struct term_collect {
+ const char *term;
+ int oc;
+ zint set_occur;
+};
- /* processing zebra::meta::sysno elemset without fetching binary data */
+static zint freq_term(ZebraHandle zh, int ord, const char *term, RSET rset_set)
+{
+ struct rset_key_control *kc = zebra_key_control_create(zh);
+ char ord_buf[IT_MAX_WORD];
+ int ord_len = key_SU_encode(ord, ord_buf);
+ char *info;
+ zint hits = 0;
+ NMEM nmem = nmem_create();
+
+ strcpy(ord_buf + ord_len, term);
+
+ info = dict_lookup(zh->reg->dict, ord_buf);
+ if (info)
+ {
+ ISAM_P isam_p;
+ RSET rsets[2], rset;
+ memcpy(&isam_p, info+1, sizeof(ISAM_P));
+
+ rsets[0] = zebra_create_rset_isam(zh, nmem, kc, kc->scope, isam_p, 0);
+ rsets[1] = rset_dup(rset_set);
+
+ rset = rset_create_and(nmem, kc, kc->scope, 2, rsets);
+
+ zebra_count_set(zh, rset, &hits, zh->approx_limit);
+
+ rset_delete(rsets[0]);
+ rset_delete(rset);
+ }
+ (*kc->dec)(kc);
+ nmem_destroy(nmem);
+ return hits;
+}
+
+static int term_qsort_handle(const void *a, const void *b)
+{
+ const struct term_collect *l = a;
+ const struct term_collect *r = b;
+ if (l->set_occur < r->set_occur)
+ return 1;
+ else if (l->set_occur > r->set_occur)
+ return -1;
+ else
+ {
+ const char *lterm = l->term ? l->term : "";
+ const char *rterm = r->term ? r->term : "";
+ return strcmp(lterm, rterm);
+ }
+}
+
+static void term_collect_freq(ZebraHandle zh,
+ struct term_collect *col, int no_terms_collect,
+ int ord, RSET rset, double scale_factor)
+{
+ int i;
+ for (i = 0; i < no_terms_collect; i++)
+ {
+ if (col[i].term)
+ {
+ if (scale_factor < 0.0)
+ {
+ col[i].set_occur = freq_term(zh, ord, col[i].term, rset);
+ }
+ else
+ col[i].set_occur = scale_factor * col[i].oc;
+ }
+ }
+ qsort(col, no_terms_collect, sizeof(*col), term_qsort_handle);
+}
+
+static struct term_collect *term_collect_create(zebra_strmap_t sm,
+ int no_terms_collect,
+ NMEM nmem)
+{
+ const char *term;
+ void *data_buf;
+ size_t data_len;
+ zebra_strmap_it it;
+ struct term_collect *col = nmem_malloc(nmem,
+ sizeof *col *no_terms_collect);
+ int i;
+ for (i = 0; i < no_terms_collect; i++)
+ {
+ col[i].term = 0;
+ col[i].oc = 0;
+ col[i].set_occur = 0;
+ }
+ /* iterate over terms and collect the most frequent ones */
+ it = zebra_strmap_it_create(sm);
+ while ((term = zebra_strmap_it_next(it, &data_buf, &data_len)))
+ {
+ /* invariant:
+ col[0] has lowest oc . col[no_terms_collect-1] has highest oc */
+ int oc = *(int*) data_buf;
+ int j = 0;
+ /* insertion may be slow but terms terms will be "infrequent" and
+ thus number of iterations should be small below
+ */
+ while (j < no_terms_collect && oc > col[j].oc)
+ j++;
+ if (j)
+ { /* oc <= col[j] and oc > col[j-1] */
+ --j;
+ memmove(col, col+1, sizeof(*col) * j);
+ col[j].term = term;
+ col[j].oc = oc;
+ }
+ }
+ zebra_strmap_it_destroy(it);
+ return col;
+}
+
+static int perform_facet_sort(ZebraHandle zh, int no_ord, int *ord_array,
+ zebra_strmap_t *map_array,
+ int num_recs, ZebraMetaRecord *poset)
+{
+ int rec_i;
+ WRBUF w = wrbuf_alloc();
+ int ord_i;
+
+ for (ord_i = 0; ord_i < no_ord; ord_i++)
+ {
+ for (rec_i = 0; rec_i < num_recs; rec_i++)
+ {
+ if (!poset[rec_i].sysno)
+ continue;
+
+ zebra_sort_sysno(zh->reg->sort_index, poset[rec_i].sysno);
+ zebra_sort_type(zh->reg->sort_index, ord_array[ord_i]);
+
+ wrbuf_rewind(w);
+ if (zebra_sort_read(zh->reg->sort_index, 0, w))
+ {
+ zebra_strmap_t sm = map_array[ord_i];
+ int off = 0;
+ while (off != wrbuf_len(w))
+ {
+ const char *str = wrbuf_buf(w) + off;
+ int *freq = zebra_strmap_lookup(sm, str, 0, 0);
+ if (freq)
+ (*freq)++;
+ else
+ {
+ int v = 1;
+ zebra_strmap_add(sm, str, &v, sizeof v);
+ }
+ off += strlen(str)+1;
+ }
+ }
+ }
+ }
+ wrbuf_destroy(w);
+ return 0;
+}
+
+
+static int perform_facet_index(ZebraHandle zh,
+ struct special_fetch_s *fi,
+ int no_ord, int *ord_array,
+ zebra_strmap_t *map_array,
+ int num_recs, ZebraMetaRecord *poset,
+ struct index_spec *spec_list)
+{
+ int max_chunks = 2;
+ int rec_i;
+ res_get_int(zh->res, "facetMaxChunks", &max_chunks);
+
+ for (rec_i = 0; rec_i < num_recs; rec_i++)
+ {
+ int ret;
+ int j;
+ zint sysnos[MAX_SYSNOS_PER_RECORD];
+ int no_sysnos = MAX_SYSNOS_PER_RECORD;
+ if (!poset[rec_i].sysno)
+ continue;
+ ret = zebra_result_recid_to_sysno(zh, fi->setname,
+ poset[rec_i].sysno,
+ sysnos, &no_sysnos);
+ assert(no_sysnos > 0);
+ yaz_log(YLOG_DEBUG, "Analyzing rec=%d ISAM sysno=" ZINT_FORMAT " chunks=%d",
+ rec_i, poset[rec_i].sysno, no_sysnos);
+ for (j = 0; j < no_sysnos && j < max_chunks; j++)
+ {
+ size_t slen;
+ const char *str;
+ struct it_key key_in;
+ Record rec = rec_get(zh->reg->records, sysnos[j]);
+ zebra_rec_keys_t keys = zebra_rec_keys_open();
+ zebra_rec_keys_set_buf(keys, rec->info[recInfo_delKeys],
+ rec->size[recInfo_delKeys], 0);
+
+ yaz_log(YLOG_DEBUG, "rec %d " ZINT_FORMAT " %s",
+ j, sysnos[j], zebra_rec_keys_empty(keys) ? "empty" : "non-empty");
+ if (zebra_rec_keys_rewind(keys))
+ {
+ while (zebra_rec_keys_read(keys, &str, &slen, &key_in))
+ {
+ int ord_i;
+ struct index_spec *spec;
+ for (spec = spec_list, ord_i = 0; ord_i < no_ord;
+ ord_i++, spec = spec->next)
+ {
+ int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
+ if (ord == ord_array[ord_i] &&
+ str[0] != FIRST_IN_FIELD_CHAR)
+ {
+ int *freq;
+ zebra_strmap_t sm = map_array[ord_i];
+
+ freq = zebra_strmap_lookup(sm, str, 0, 0);
+ if (freq)
+ (*freq)++;
+ else
+ {
+ int v = 1;
+ zebra_strmap_add(sm, str, &v, sizeof v);
+ }
+ }
+ }
+ }
+ }
+ zebra_rec_keys_close(keys);
+ rec_free(&rec);
+ }
+ }
+ return 0;
+}
+
+static int perform_facet(ZebraHandle zh,
+ struct special_fetch_s *fi,
+ WRBUF result,
+ int num_recs, ZebraMetaRecord *poset,
+ struct index_spec *spec_list,
+ int no_ord, int *ord_array,
+ int use_xml,
+ zinfo_index_category_t cat)
+{
+ int i;
+ int ret = 0;
+ WRBUF wr = result;
+ struct index_spec *spec;
+ yaz_timing_t timing = yaz_timing_create();
+ zebra_strmap_t *map_array
+ = nmem_malloc(fi->nmem, sizeof *map_array * no_ord);
+ for (i = 0; i < no_ord; i++)
+ map_array[i] = zebra_strmap_create();
+
+ if (cat == zinfo_index_category_sort)
+ perform_facet_sort(zh, no_ord, ord_array, map_array,
+ num_recs, poset);
+ else
+ perform_facet_index(zh, fi, no_ord, ord_array, map_array,
+ num_recs, poset, spec_list);
+ yaz_timing_stop(timing);
+ yaz_log(YLOG_LOG, "facet first phase real=%4.2f cat=%s",
+ yaz_timing_get_real(timing),
+ (cat == zinfo_index_category_sort) ? "sort" : "index");
+ yaz_timing_start(timing);
+ for (spec = spec_list, i = 0; i < no_ord; i++, spec = spec->next)
+ {
+ int j;
+ NMEM nmem = nmem_create();
+ struct term_collect *col;
+ int no_collect_terms = 20;
+
+ if (spec->extra)
+ no_collect_terms = atoi(spec->extra);
+ if (no_collect_terms < 1)
+ no_collect_terms = 1;
+ col = term_collect_create(map_array[i], no_collect_terms, nmem);
+ term_collect_freq(zh, col, no_collect_terms, ord_array[i],
+ resultSetRef(zh, fi->setname),
+ cat == zinfo_index_category_sort ? 1.0 : -1.0);
+
+ if (use_xml)
+ wrbuf_printf(wr, " <facet type=\"%s\" index=\"%s\">\n",
+ spec->index_type, spec->index_name);
+ else
+ wrbuf_printf(wr, "facet %s %s\n",
+ spec->index_type, spec->index_name);
+ for (j = 0; j < no_collect_terms; j++)
+ {
+ if (col[j].term)
+ {
+ char dst_buf[IT_MAX_WORD];
+ zebra_term_untrans(zh, spec->index_type, dst_buf, col[j].term);
+ if (use_xml)
+ {
+ wrbuf_printf(wr, " <term coccur=\"%d\"", col[j].oc);
+ if (col[j].set_occur)
+ wrbuf_printf(wr, " occur=\"" ZINT_FORMAT "\"",
+ col[j].set_occur);
+ wrbuf_printf(wr, ">");
+ wrbuf_xmlputs(wr, dst_buf);
+ wrbuf_printf(wr, "</term>\n");
+ }
+ else
+ {
+ wrbuf_printf(wr, "term %d", col[j].oc);
+ if (col[j].set_occur)
+ wrbuf_printf(wr, " " ZINT_FORMAT,
+ col[j].set_occur);
+ wrbuf_printf(wr, ": %s\n", dst_buf);
+ }
+ }
+ }
+ if (use_xml)
+ wrbuf_puts(wr, " </facet>\n");
+ nmem_destroy(nmem);
+ }
+ for (i = 0; i < no_ord; i++)
+ zebra_strmap_destroy(map_array[i]);
+ yaz_timing_stop(timing);
+ yaz_log(YLOG_LOG, "facet second phase real=%4.2f",
+ yaz_timing_get_real(timing));
+ yaz_timing_destroy(&timing);
+ return ret;
+}
+
+static int facet_fetch(
+ struct special_fetch_s *fi, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
+{
+ zint *pos_array;
+ int i;
+ int num_recs = 10; /* number of records to analyze */
+ ZebraMetaRecord *poset;
+ ZEBRA_RES ret = ZEBRA_OK;
+ int *ord_array;
+ int use_xml = 0;
+ int no_ord = 0;
+ struct index_spec *spec, *spec_list;
+ int error;
+ ZebraHandle zh = fi->zh;
+ /* whether sort or index based */
+ zinfo_index_category_t cat = zinfo_index_category_sort;
+
+ /* see if XML is required for response */
+ if (oid_oidcmp(input_format, yaz_oid_recsyn_xml) == 0)
+ use_xml = 1;
+
+ spec_list = parse_index_spec(elemsetname, fi->nmem, &error);
+
+ if (!spec_list || error)
+ {
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ }
+
+ for (spec = spec_list; spec; spec = spec->next)
+ {
+ if (!spec->index_type)
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ no_ord++;
+ }
+
+ /* try to see if all specs are sort based.. If not, try the
+ index based ones */
+ ord_array = nmem_malloc(fi->nmem, sizeof(*ord_array) * no_ord);
+
+ for (spec = spec_list, i = 0; spec; spec = spec->next, i++)
+ {
+ int ord = zebraExplain_lookup_attr_str(zh->reg->zei,
+ zinfo_index_category_sort,
+ spec->index_type,
+ spec->index_name);
+ if (ord == -1)
+ break;
+ ord_array[i] = ord;
+ num_recs = 10000;
+ }
+ if (spec)
+ {
+ cat = zinfo_index_category_index;
+ for (spec = spec_list, i = 0; spec; spec = spec->next, i++)
+ {
+ int ord = zebraExplain_lookup_attr_str(zh->reg->zei,
+ zinfo_index_category_index,
+ spec->index_type,
+ spec->index_name);
+ if (ord == -1)
+ break;
+ ord_array[i] = ord;
+
+ }
+ }
+ if (spec)
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+
+ res_get_int(zh->res, "facetNumRecs", &num_recs);
+
+ pos_array = (zint *) nmem_malloc(fi->nmem, num_recs * sizeof(*pos_array));
+ for (i = 0; i < num_recs; i++)
+ pos_array[i] = i+1;
+ poset = zebra_meta_records_create(zh, fi->setname, num_recs, pos_array);
+ if (!poset)
+ {
+ wrbuf_puts(addinfo, fi->setname);
+ return YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
+ }
+ else
+ {
+ if (use_xml)
+ {
+ wrbuf_printf(result, ZEBRA_XML_HEADER_STR ">\n");
+ }
+ ret = perform_facet(zh, fi, result, num_recs, poset,
+ spec_list, no_ord, ord_array, use_xml,
+ cat);
+ if (use_xml)
+ wrbuf_puts(result, "</record>\n");
+ }
+ *output_format = yaz_oid_recsyn_xml;
+ zebra_meta_records_destroy(zh, poset, num_recs);
+ return ret;
+}
+
+
+static int zebra_special_fetch(
+ void *handle, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
+{
+ Record rec = 0;
+ struct special_fetch_s *fi = (struct special_fetch_s *) handle;
+ ZebraHandle zh = fi->zh;
+ zint sysno = fi->sysno;
+
+ /* processing zebra::facet */
+ if (elemsetname && 0 == strncmp(elemsetname, "facet", 5))
+ {
+ return facet_fetch(fi, elemsetname + 5,
+ input_format, output_format,
+ result, addinfo);
+ }
+
+ if (elemsetname && 0 == strcmp(elemsetname, "snippet"))
+ {
+ return snippet_fetch(fi, elemsetname + 7,
+ input_format, output_format,
+ result, addinfo);
+ }
+
+ /* processing zebra::meta::sysno */
if (elemsetname && 0 == strcmp(elemsetname, "meta::sysno"))
{
int ret = 0;
- WRBUF wrbuf = wrbuf_alloc();
- if (!oid_oidcmp(input_format, yaz_oid_sutrs()))
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
{
- wrbuf_printf(wrbuf, ZINT_FORMAT, sysno);
+ wrbuf_printf(result, ZINT_FORMAT, fi->sysno);
*output_format = input_format;
- }
- else if (!oid_oidcmp(input_format, yaz_oid_xml()))
+ }
+ else if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
- wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
+ wrbuf_printf(result, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\"/>\n",
- sysno);
+ fi->sysno);
*output_format = input_format;
}
- *rec_lenp = wrbuf_len(wrbuf);
- if (*rec_lenp)
- *rec_bufp = odr_strdup(odr, wrbuf_cstr(wrbuf));
else
ret = YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- wrbuf_destroy(wrbuf);
return ret;
}
/* processing special elementsetname zebra::index:: for sort elements */
if (elemsetname && 0 == strncmp(elemsetname, "index", 5))
{
- int ret = zebra_special_sort_fetch(zh, sysno, odr,
- elemsetname + 5,
- input_format, output_format,
- rec_bufp, rec_lenp);
+ int ret = sort_fetch(
+ fi, elemsetname + 5,
+ input_format, output_format,
+ result, addinfo);
if (ret != -1)
return ret;
/* not a sort index so we continue to get the full record */
return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
}
- /* processing special elementsetnames zebra::data */
+ /* processing special elementsetnames zebra::data */
if (elemsetname && 0 == strcmp(elemsetname, "data"))
{
struct ZebraRecStream stream;
- RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
+ RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
+ char *b;
+
zebra_create_record_stream(zh, &rec, &stream);
*output_format = input_format;
- *rec_lenp = recordAttr->recordSize;
- *rec_bufp = (char *) odr_malloc(odr, *rec_lenp);
- stream.readf(&stream, *rec_bufp, *rec_lenp);
+
+ b = nmem_malloc(fi->nmem, recordAttr->recordSize);
+ stream.readf(&stream, b, recordAttr->recordSize);
+ wrbuf_write(result, b, recordAttr->recordSize);
+
stream.destroy(&stream);
rec_free(&rec);
return 0;
}
- /* only accept XML and SUTRS requests from now */
- if (oid_oidcmp(input_format, yaz_oid_xml())
- && oid_oidcmp(input_format, yaz_oid_sutrs()))
- {
- yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
- elemsetname);
- return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- }
-
-
/* processing special elementsetnames zebra::meta:: */
if (elemsetname && 0 == strcmp(elemsetname, "meta"))
{
int ret = 0;
- WRBUF wrbuf = wrbuf_alloc();
- RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
+ RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
- if (!oid_oidcmp(input_format, yaz_oid_xml()))
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
*output_format = input_format;
-
- wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
+
+ wrbuf_printf(result, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\"", sysno);
- retrieve_puts_attr(wrbuf, "base", rec->info[recInfo_databaseName]);
- retrieve_puts_attr(wrbuf, "file", rec->info[recInfo_filename]);
- retrieve_puts_attr(wrbuf, "type", rec->info[recInfo_fileType]);
- if (score >= 0)
- retrieve_puts_attr_int(wrbuf, "score", score);
-
- wrbuf_printf(wrbuf,
+ retrieve_puts_attr(result, "base", rec->info[recInfo_databaseName]);
+ retrieve_puts_attr(result, "file", rec->info[recInfo_filename]);
+ retrieve_puts_attr(result, "type", rec->info[recInfo_fileType]);
+ if (fi->score >= 0)
+ retrieve_puts_attr_int(result, "score", fi->score);
+
+ wrbuf_printf(result,
" rank=\"" ZINT_FORMAT "\""
" size=\"%i\""
" set=\"zebra::%s\"/>\n",
recordAttr->recordSize,
elemsetname);
}
- else if (!oid_oidcmp(input_format, yaz_oid_sutrs()))
+ else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
{
*output_format = input_format;
- wrbuf_printf(wrbuf, "sysno " ZINT_FORMAT "\n", sysno);
- retrieve_puts_str(wrbuf, "base", rec->info[recInfo_databaseName]);
- retrieve_puts_str(wrbuf, "file", rec->info[recInfo_filename]);
- retrieve_puts_str(wrbuf, "type", rec->info[recInfo_fileType]);
- if (score >= 0)
- retrieve_puts_int(wrbuf, "score", score);
-
- wrbuf_printf(wrbuf,
+ wrbuf_printf(result, "sysno " ZINT_FORMAT "\n", sysno);
+ retrieve_puts_str(result, "base", rec->info[recInfo_databaseName]);
+ retrieve_puts_str(result, "file", rec->info[recInfo_filename]);
+ retrieve_puts_str(result, "type", rec->info[recInfo_fileType]);
+ if (fi->score >= 0)
+ retrieve_puts_int(result, "score", fi->score);
+
+ wrbuf_printf(result,
"rank " ZINT_FORMAT "\n"
"size %i\n"
"set zebra::%s\n",
recordAttr->recordSize,
elemsetname);
}
- *rec_lenp = wrbuf_len(wrbuf);
- if (*rec_lenp)
- *rec_bufp = odr_strdup(odr, wrbuf_cstr(wrbuf));
else
- ret = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ ret = YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- wrbuf_destroy(wrbuf);
rec_free(&rec);
return ret;
}
/* processing special elementsetnames zebra::index:: */
if (elemsetname && 0 == strncmp(elemsetname, "index", 5))
{
- int ret = zebra_special_index_fetch(zh, sysno, odr, rec,
- elemsetname + 5,
- input_format, output_format,
- rec_bufp, rec_lenp);
-
+ int ret = special_index_fetch(
+ fi, elemsetname + 5,
+ input_format, output_format,
+ result, addinfo, rec);
rec_free(&rec);
return ret;
}
return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
}
-
-int zebra_record_fetch(ZebraHandle zh, zint sysno, int score,
- zebra_snippets *hit_snippet, ODR odr,
- const int *input_format, Z_RecordComposition *comp,
- const int **output_format,
+int zebra_record_fetch(ZebraHandle zh, const char *setname,
+ zint sysno, int score,
+ ODR odr,
+ const Odr_oid *input_format, Z_RecordComposition *comp,
+ const Odr_oid **output_format,
char **rec_bufp, int *rec_lenp, char **basenamep,
- char **addinfo)
+ WRBUF addinfo_w)
{
Record rec;
char *fname, *file_type, *basename;
RecordAttr *recordAttr;
void *clientData;
int return_code = 0;
+ zint sysnos[MAX_SYSNOS_PER_RECORD];
+ int no_sysnos = MAX_SYSNOS_PER_RECORD;
+ ZEBRA_RES res;
+ struct special_fetch_s fetch_info;
+ res = zebra_result_recid_to_sysno(zh, setname, sysno, sysnos, &no_sysnos);
+ if (res != ZEBRA_OK)
+ return ZEBRA_FAIL;
+
+ sysno = sysnos[0];
*basenamep = 0;
- *addinfo = 0;
elemsetname = yaz_get_esn(comp);
+ fetch_info.zh = zh;
+ fetch_info.setname = setname;
+ fetch_info.sysno = sysno;
+ fetch_info.score = score;
+ fetch_info.nmem = odr->mem;
+
/* processing zebra special elementset names of form 'zebra:: */
if (elemsetname && 0 == strncmp(elemsetname, "zebra::", 7))
- return zebra_special_fetch(zh, sysno, score, odr,
- elemsetname + 7,
+ {
+ WRBUF result = wrbuf_alloc();
+ int r = zebra_special_fetch(&fetch_info, elemsetname + 7,
input_format, output_format,
- rec_bufp, rec_lenp);
-
+ result, addinfo_w);
+ if (r == 0)
+ {
+ *rec_bufp = odr_strdup(odr, wrbuf_cstr(result));
+ *rec_lenp = wrbuf_len(result);
+ }
+ wrbuf_destroy(result);
+ return r;
+ }
/* processing all other element set names */
rec = rec_get(zh->reg->records, sysno);
file_type = rec->info[recInfo_fileType];
fname = rec->info[recInfo_filename];
basename = rec->info[recInfo_databaseName];
- *basenamep = (char *) odr_malloc (odr, strlen(basename)+1);
- strcpy (*basenamep, basename);
+ *basenamep = (char *) odr_malloc(odr, strlen(basename)+1);
+ strcpy(*basenamep, basename);
yaz_log(YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d",
sysno, score);
if (rec)
{
- zebra_snippets *snippet;
- zebra_rec_keys_t reckeys = zebra_rec_keys_open();
RecType rt;
struct recRetrieveCtrl retrieveCtrl;
retrieveCtrl.res = zh->res;
retrieveCtrl.rec_buf = 0;
retrieveCtrl.rec_len = -1;
- retrieveCtrl.hit_snippet = hit_snippet;
- retrieveCtrl.doc_snippet = zebra_snippets_create();
-
- zebra_rec_keys_set_buf(reckeys,
- rec->info[recInfo_delKeys],
- rec->size[recInfo_delKeys],
- 0);
- zebra_rec_keys_to_snippets(zh, reckeys, retrieveCtrl.doc_snippet);
- zebra_rec_keys_close(reckeys);
-
-#if 0
- /* for debugging purposes */
- yaz_log(YLOG_LOG, "DOC SNIPPET:");
- zebra_snippets_log(retrieveCtrl.doc_snippet, YLOG_LOG);
- yaz_log(YLOG_LOG, "HIT SNIPPET:");
- zebra_snippets_log(retrieveCtrl.hit_snippet, YLOG_LOG);
-#endif
- snippet = zebra_snippets_window(retrieveCtrl.doc_snippet,
- retrieveCtrl.hit_snippet,
- 10);
-#if 0
- /* for debugging purposes */
- yaz_log(YLOG_LOG, "WINDOW SNIPPET:");
- zebra_snippets_log(snippet, YLOG_LOG);
-#endif
+ retrieveCtrl.handle = &fetch_info;
+ retrieveCtrl.special_fetch = zebra_special_fetch;
if (!(rt = recType_byName(zh->reg->recTypes, zh->res,
file_type, &clientData)))
{
- char addinfo_str[100];
-
- sprintf(addinfo_str, "Could not handle record type %.40s",
- file_type);
-
- *addinfo = odr_strdup(odr, addinfo_str);
+ wrbuf_printf(addinfo_w, "Could not handle record type %.40s",
+ file_type);
return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
}
else
*output_format = retrieveCtrl.output_format;
*rec_bufp = (char *) retrieveCtrl.rec_buf;
*rec_lenp = retrieveCtrl.rec_len;
- *addinfo = retrieveCtrl.addinfo;
+ if (retrieveCtrl.addinfo)
+ wrbuf_puts(addinfo_w, retrieveCtrl.addinfo);
}
- zebra_snippets_destroy(snippet);
- zebra_snippets_destroy(retrieveCtrl.doc_snippet);
-
stream.destroy(&stream);
rec_free(&rec);
}
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
projects / idzebra-moved-to-github.git / blobdiff