X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fretrieve.c;h=6a56d618e33a328884b3d3b2f6a9fbdf696601aa;hb=1aac6e217a6ff917fdacabec636aa00cbf2f3226;hp=85b134d06370cd1a4601505f24390819ec53e306;hpb=27c0f37066fbd730a7c56ec97b44d7c66a3a7c26;p=idzebra-moved-to-github.git diff --git a/index/retrieve.c b/index/retrieve.c index 85b134d..6a56d61 100644 --- a/index/retrieve.c +++ b/index/retrieve.c @@ -1,5 +1,5 @@ -/* $Id: retrieve.c,v 1.47 2006-11-13 09:07:05 adam Exp $ - Copyright (C) 1995-2006 +/* $Id: retrieve.c,v 1.75 2007-10-31 16:56:14 adam Exp $ + Copyright (C) 1995-2007 Index Data ApS This file is part of the Zebra server. @@ -34,33 +34,81 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include "index.h" #include +#include #include +#include -static void parse_zebra_elem(const char *elem, - const char **index, size_t *index_len, - const char **type, size_t *type_len) +#define ZEBRA_XML_HEADER_STR "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 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + } + zebra_create_stream_fd(stream, fd, recordAttr->recordOffset); + } + return 0; +} + + +static int parse_zebra_elem(const char *elem, + const char **index, size_t *index_len, + const char **type, size_t *type_len) +{ *index = 0; *index_len = 0; + *type = 0; + *type_len = 0; + if (elem && *elem) { - const char *cp = strchr(elem, ':'); - - if (!cp) /* no colon */ + 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') /* 'index:' */ + else if (cp[1] == '\0') /* colon, but no following type */ { - *index = elem; - *index_len = cp - elem; + return 0; } - else + else /* index, colon and type */ { *index = elem; *index_len = cp - elem; @@ -68,56 +116,196 @@ static void parse_zebra_elem(const char *elem, *type_len = strlen(cp+1); } } + return 1; } -int zebra_storekeys_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, - Record rec, - const char *element_set, - oid_value input_format, - oid_value *output_format, - char **rec_bufp, int *rec_lenp) + +int zebra_special_sort_fetch(ZebraHandle zh, zint sysno, ODR odr, + const char *elemsetname, + const Odr_oid *input_format, + const Odr_oid **output_format, + char **rec_bufp, int *rec_lenp) { const char *retrieval_index; size_t retrieval_index_len; const char *retrieval_type; size_t retrieval_type_len; - - 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); - - yaz_log(YLOG_LOG, "element_set=%s", element_set); + char retrieval_index_cstr[256]; + char retrieval_type_cstr[256]; + int ord; + + /* only accept XML and SUTRS requests */ + 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", + elemsetname); + *output_format = 0; + return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST; + } - parse_zebra_elem(element_set, - &retrieval_index, &retrieval_index_len, - &retrieval_type, &retrieval_type_len); + 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) + 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'; + + memcpy(retrieval_type_cstr, retrieval_type, retrieval_type_len); + retrieval_type_cstr[retrieval_type_len] = '\0'; + + ord = zebraExplain_lookup_attr_str(zh->reg->zei, + zinfo_index_category_sort, + retrieval_type_cstr, + retrieval_index_cstr); + if (ord == -1) + return -1; /* is not a sort index */ + else + { + char dst_buf[IT_MAX_WORD]; + char str[IT_MAX_WORD]; + 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); + + 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_recsyn_xml)) + { + *output_format = yaz_oid_recsyn_xml; + wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR + " sysno=\"" ZINT_FORMAT "\"" + " set=\"zebra::index%s/\">\n", + sysno, elemsetname); + + wrbuf_printf(wrbuf, " ", index_type); + wrbuf_xmlputs(wrbuf, dst_buf); + wrbuf_printf(wrbuf, "\n"); + wrbuf_printf(wrbuf, "\n"); + } + else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs)) + { + *output_format = yaz_oid_recsyn_sutrs; + + wrbuf_printf(wrbuf, "%s %s %s\n", string_index, index_type, + dst_buf); + } + *rec_lenp = wrbuf_len(wrbuf); + *rec_bufp = odr_malloc(odr, *rec_lenp); + memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp); + wrbuf_destroy(wrbuf); + return 0; + } +} + +int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr, + Record rec, + const char *elemsetname, + const Odr_oid *input_format, + const Odr_oid **output_format, + char **rec_bufp, int *rec_lenp) +{ + 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; + char retrieval_type_cstr[256]; + + /* set output variables before processing possible error states */ + /* *rec_lenp = 0; */ + + /* only accept XML and SUTRS requests */ + 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", + 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 (input_format == VAL_TEXT_XML) + if (retrieval_type_len) { - yaz_log(YLOG_LOG, "want XML output"); + memcpy(retrieval_type_cstr, retrieval_type, retrieval_type_len); + retrieval_type_cstr[retrieval_type_len] = '\0'; } - else if (input_format == VAL_SUTRS) + + if (retrieval_index_len) { - yaz_log(YLOG_LOG, "want SUTRS output"); + 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 ? 0 : + retrieval_type_cstr), + retrieval_index_cstr) == -1) + return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_; + } } - else + + 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)) { - yaz_log(YLOG_LOG, "unsupported.. We must produce an error"); + ret_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; } - if (zebra_rec_keys_rewind(keys)) + else { size_t slen; const char *str; struct it_key key_in; - while(zebra_rec_keys_read(keys, &str, &slen, &key_in)) + WRBUF wrbuf = wrbuf_alloc(); + + 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); + } + 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; @@ -126,144 +314,446 @@ int zebra_storekeys_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, 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))) { - + /* process only if type is not defined, or is matching */ if (retrieval_type == 0 - || (retrieval_type_len == 1 - && retrieval_type[0] == index_type)) + || !strcmp(retrieval_type_cstr, index_type)) { - - wrbuf_printf(wrbuf, "%s ", string_index); - - wrbuf_printf(wrbuf, "%c", index_type); - zebra_term_untrans(zh, index_type, dst_buf, str); - wrbuf_printf(wrbuf, " %s", dst_buf); + if (strlen(dst_buf)) + { + if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml)) + { + wrbuf_printf(wrbuf, " ", + key_in.mem[key_in.len -1]); + + wrbuf_xmlputs(wrbuf, dst_buf); + wrbuf_printf(wrbuf, "\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]); + + /* zebra_term_untrans(zh, index_type, dst_buf, str); */ + wrbuf_printf(wrbuf, " %s", dst_buf); + + wrbuf_printf(wrbuf, "\n"); + } + } - for (i = 1; i < key_in.len; i++) - wrbuf_printf(wrbuf, " " ZINT_FORMAT, key_in.mem[i]); - wrbuf_printf(wrbuf, "\n"); } } } + if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml)) + wrbuf_printf(wrbuf, "\n"); + *rec_lenp = wrbuf_len(wrbuf); + *rec_bufp = odr_malloc(odr, *rec_lenp); + memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp); + wrbuf_destroy(wrbuf); } - *output_format = VAL_SUTRS; - *rec_lenp = wrbuf_len(wrbuf); - *rec_bufp = odr_malloc(odr, *rec_lenp); - memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp); - wrbuf_free(wrbuf, 1); zebra_rec_keys_close(keys); - return 0; + return ret_code; } - -int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, - zebra_snippets *hit_snippet, ODR odr, - oid_value input_format, Z_RecordComposition *comp, - oid_value *output_format, - char **rec_bufp, int *rec_lenp, char **basenamep, - char **addinfo) + + +static void retrieve_puts_attr(WRBUF wrbuf, const char *name, + const char *value) { - Record rec; - char *fname, *file_type, *basename; - struct ZebraRecStream stream; - RecordAttr *recordAttr; - void *clientData; - int raw_mode = 0; - int return_code = 0; + if (value) + { + wrbuf_printf(wrbuf, " %s=\"", name); + wrbuf_xmlputs(wrbuf, value); + wrbuf_printf(wrbuf, "\""); + } +} - *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_")) +static void retrieve_puts_attr_int(WRBUF wrbuf, const char *name, + const int value) +{ + wrbuf_printf(wrbuf, " %s=\"%i\"", name, value); +} + +static void retrieve_puts_str(WRBUF wrbuf, const char *name, + const char *value) +{ + if (value) + wrbuf_printf(wrbuf, "%s %s\n", name, value); +} + +static void retrieve_puts_int(WRBUF wrbuf, const char *name, + const int value) +{ + wrbuf_printf(wrbuf, "%s %i\n", name, value); +} + + +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) { - 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; + 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, " ", index_type); + } + if (doc_w->match) + wrbuf_puts(wrbuf, ""); + /* 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, ""); + } + else if (mark_state == 1) + { + wrbuf_puts(wrbuf, "\n"); + } + mark_state = doc_w->mark; } - rec = rec_get (zh->reg->records, sysno); - if (!rec) + if (mark_state == 1) { - yaz_log (YLOG_DEBUG, "rec_get fail on sysno=" ZINT_FORMAT, sysno); - *basenamep = 0; - return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + wrbuf_puts(wrbuf, "\n"); } - recordAttr = rec_init_attr (zh->reg->zei, rec); - - 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); + wrbuf_printf(wrbuf, ""); +} - if (comp && comp->which == Z_RecordComp_simple - && comp->u.simple->which == Z_ElementSetNames_generic - && strncmp(comp->u.simple->u.generic, "zebra::", 7) == 0) +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 { - int r = zebra_storekeys_fetch(zh, sysno, odr, rec, - comp->u.simple->u.generic + 7, - input_format, output_format, - rec_bufp, rec_lenp); + 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 r; } + return return_code; +} + +int zebra_special_snippet_fetch(ZebraHandle zh, const char *setname, + zint sysno, ODR odr, + const char *elemsetname, + const Odr_oid *input_format, + const Odr_oid **output_format, + char **rec_bufp, int *rec_lenp) +{ + zebra_snippets *rec_snippets = zebra_snippets_create(); + int return_code = zebra_get_rec_snippets(zh, sysno, rec_snippets); - if (comp && comp->which == Z_RecordComp_simple && - comp->u.simple->which == Z_ElementSetNames_generic && - !strcmp (comp->u.simple->u.generic, "R")) + if (!return_code) { - raw_mode = 1; + WRBUF wrbuf = wrbuf_alloc(); + zebra_snippets *hit_snippet = zebra_snippets_create(); + + zebra_snippets_hit_vector(zh, setname, sysno, hit_snippet); + +#if 0 + /* for debugging purposes */ + yaz_log(YLOG_LOG, "---------------------------"); + yaz_log(YLOG_LOG, "REC SNIPPET:"); + zebra_snippets_log(rec_snippet, 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; + + if (return_code == 0) + { + *rec_lenp = wrbuf_len(wrbuf); + *rec_bufp = odr_strdup(odr, wrbuf_cstr(wrbuf)); + } + wrbuf_destroy(wrbuf); + zebra_snippets_destroy(hit_snippet); } - yaz_log (YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d", - sysno, score); - if (rec->size[recInfo_storeData] > 0) + zebra_snippets_destroy(rec_snippets); + return return_code; +} + +int zebra_special_fetch(ZebraHandle zh, const char *setname, + zint sysno, int score, ODR odr, + const char *elemsetname, + const Odr_oid *input_format, + const Odr_oid **output_format, + char **rec_bufp, int *rec_lenp) +{ + Record rec; + + /* set output variables before processing possible error states */ + /* *rec_lenp = 0; */ + + + if (elemsetname && 0 == strcmp(elemsetname, "snippet")) { - zebra_create_stream_mem(&stream, rec->info[recInfo_storeData], - rec->size[recInfo_storeData]); + return zebra_special_snippet_fetch(zh, setname, sysno, odr, + elemsetname + 7, + input_format, output_format, + rec_bufp, rec_lenp); } - else - { - char full_rep[1024]; - int fd; - if (zh->path_reg && !yaz_is_abspath (fname)) + /* processing zebra::meta::sysno elemset without fetching binary data */ + if (elemsetname && 0 == strcmp(elemsetname, "meta::sysno")) + { + int ret = 0; + WRBUF wrbuf = wrbuf_alloc(); + if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs)) { - strcpy (full_rep, zh->path_reg); - strcat (full_rep, "/"); - strcat (full_rep, fname); + wrbuf_printf(wrbuf, ZINT_FORMAT, sysno); + *output_format = input_format; + } + else if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml)) + { + wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR + " sysno=\"" ZINT_FORMAT "\"/>\n", + sysno); + *output_format = input_format; } + *rec_lenp = wrbuf_len(wrbuf); + if (*rec_lenp) + *rec_bufp = odr_strdup(odr, wrbuf_cstr(wrbuf)); else - strcpy (full_rep, fname); + ret = YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST; + wrbuf_destroy(wrbuf); + return ret; + } - 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); + /* 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); + if (ret != -1) + return ret; + /* not a sort index so we continue to get the full record */ } - if (raw_mode) + + /* fetching binary record up for all other display elementsets */ + rec = rec_get(zh->reg->records, sysno); + if (!rec) { - *output_format = VAL_SUTRS; + yaz_log(YLOG_WARN, "rec_get fail on sysno=" ZINT_FORMAT, sysno); + return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + } + + /* 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 = input_format; *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; } - else + + /* only accept XML and SUTRS requests from now */ + 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", + 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); + + if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml)) + { + *output_format = input_format; + + wrbuf_printf(wrbuf, 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, + " rank=\"" ZINT_FORMAT "\"" + " size=\"%i\"" + " set=\"zebra::%s\"/>\n", + recordAttr->staticrank, + recordAttr->recordSize, + elemsetname); + } + 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, + "rank " ZINT_FORMAT "\n" + "size %i\n" + "set zebra::%s\n", + recordAttr->staticrank, + 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; + + 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); + + rec_free(&rec); + return ret; + } + + if (rec) + rec_free(&rec); + return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_; +} + + +int zebra_record_fetch(ZebraHandle zh, const char *setname, + zint sysno, int score, + zebra_snippets *hit_snippet, 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) +{ + Record rec; + char *fname, *file_type, *basename; + const char *elemsetname; + struct ZebraRecStream stream; + RecordAttr *recordAttr; + void *clientData; + int return_code = 0; + + *basenamep = 0; + *addinfo = 0; + elemsetname = yaz_get_esn(comp); + + /* processing zebra special elementset names of form 'zebra:: */ + if (elemsetname && 0 == strncmp(elemsetname, "zebra::", 7)) + return zebra_special_fetch(zh, setname, sysno, score, 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_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); + + 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); + + yaz_log(YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d", + sysno, score); + + return_code = zebra_create_record_stream(zh, &rec, &stream); + + if (rec) { - /* snippets code */ - zebra_snippets *snippet; zebra_rec_keys_t reckeys = zebra_rec_keys_open(); RecType rt; struct recRetrieveCtrl retrieveCtrl; @@ -294,25 +784,15 @@ int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, 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 - - if (!(rt = recType_byName (zh->reg->recTypes, zh->res, - file_type, &clientData))) + 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); return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; } else @@ -325,11 +805,12 @@ int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, *rec_lenp = retrieveCtrl.rec_len; *addinfo = retrieveCtrl.addinfo; } - zebra_snippets_destroy(snippet); + zebra_snippets_destroy(retrieveCtrl.doc_snippet); + + stream.destroy(&stream); + rec_free(&rec); } - stream.destroy(&stream); - rec_free(&rec); return return_code; }