-/* $Id: extract.c,v 1.215 2006-05-19 13:49:34 adam Exp $
+/* $Id: extract.c,v 1.228 2006-08-22 13:39:27 adam Exp $
Copyright (C) 1995-2006
Index Data ApS
for more details.
You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
#include <stdio.h>
#include <direntz.h>
#include <charmap.h>
-#ifdef WIN32
-#define PRINTF_OFF_T "%I64d"
-#else
-/* !WIN32 */
-#if SIZEOF_OFF_T == SIZEOF_LONG_LONG
-#define PRINTF_OFF_T "%lld"
-#else
-#define PRINTF_OFF_T "%ld"
-#endif
+#define ENCODE_BUFLEN 768
+struct encode_info {
+ void *encode_handle;
+ void *decode_handle;
+ char buf[ENCODE_BUFLEN];
+};
-#endif
+static int log_level = 0;
+static int log_level_initialized = 1;
+static void zebra_init_log_level()
+{
+ if (!log_level_initialized)
+ {
+ log_level = yaz_log_module_level("extract");
+ log_level_initialized = 1;
+ }
+}
+
+static void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
+ int cmd, zebra_rec_keys_t reckeys,
+ zint staticrank);
+static void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
+ int cmd, zebra_rec_keys_t skp);
+static void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid);
+static void extract_token_add (RecWord *p);
+
+static void encode_key_init (struct encode_info *i);
+static void encode_key_write (char *k, struct encode_info *i, FILE *outf);
+static void encode_key_flush (struct encode_info *i, FILE *outf);
#define USE_SHELLSORT 0
++zh->records_processed;
if (!(zh->records_processed % 1000))
{
- yaz_log (YLOG_LOG, "Records: "ZINT_FORMAT" i/u/d "
- ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT,
- zh->records_processed, zh->records_inserted, zh->records_updated,
- zh->records_deleted);
+ yaz_log(YLOG_LOG, "Records: "ZINT_FORMAT" i/u/d "
+ ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT,
+ zh->records_processed, zh->records_inserted,
+ zh->records_updated, zh->records_deleted);
}
}
-static void extract_add_index_string (RecWord *p, const char *str, int length);
+static void extract_add_index_string (RecWord *p,
+ zinfo_index_category_t cat,
+ const char *str, int length);
static void extract_set_store_data_prepare(struct recExtractCtrl *p);
-static void extract_init (struct recExtractCtrl *p, RecWord *w)
+static void extract_init(struct recExtractCtrl *p, RecWord *w)
{
- w->zebra_maps = p->zebra_maps;
w->seqno = 1;
w->index_name = "any";
w->index_type = 'w';
w->extractCtrl = p;
w->record_id = 0;
w->section_id = 0;
+ w->segment = 0;
}
static void searchRecordKey(ZebraHandle zh,
{
int i;
int ch = -1;
+ zinfo_index_category_t cat = zinfo_index_category_index;
for (i = 0; i<ws_length; i++)
ws[i] = NULL;
if (ch < 0)
- ch = zebraExplain_lookup_attr_str(zh->reg->zei, '0', index_name);
+ ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, '0', index_name);
if (ch < 0)
- ch = zebraExplain_lookup_attr_str(zh->reg->zei, 'p', index_name);
+ ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, 'p', index_name);
if (ch < 0)
- ch = zebraExplain_lookup_attr_str(zh->reg->zei, 'w', index_name);
+ ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, 'w', index_name);
if (ch < 0)
return ;
if (zebra_rec_keys_rewind(reckeys))
{
- int startSeq = -1;
+ zint startSeq = -1;
const char *str;
size_t slen;
struct it_key key;
zint seqno;
while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
{
- assert(key.len <= 4 && key.len > 2);
+ assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
seqno = key.mem[key.len-1];
if (key.mem[0] == ch)
{
- int woff;
+ zint woff;
if (startSeq == -1)
startSeq = seqno;
}
}
-struct file_read_info {
- off_t file_max; /* maximum offset so far */
- off_t file_offset; /* current offset */
- off_t file_moffset; /* offset of rec/rec boundary */
- int file_more;
- int fd;
-};
-
-static struct file_read_info *file_read_start (int fd)
-{
- struct file_read_info *fi = (struct file_read_info *)
- xmalloc (sizeof(*fi));
-
- fi->fd = fd;
- fi->file_max = 0;
- fi->file_moffset = 0;
- fi->file_offset = 0;
- fi->file_more = 0;
- return fi;
-}
-
-static void file_read_stop (struct file_read_info *fi)
-{
- xfree (fi);
-}
-
-static off_t file_seek (void *handle, off_t offset)
-{
- struct file_read_info *p = (struct file_read_info *) handle;
- p->file_offset = offset;
- return lseek (p->fd, offset, SEEK_SET);
-}
-
-static off_t file_tell (void *handle)
-{
- struct file_read_info *p = (struct file_read_info *) handle;
- return p->file_offset;
-}
-
-static int file_read (void *handle, char *buf, size_t count)
-{
- struct file_read_info *p = (struct file_read_info *) handle;
- int fd = p->fd;
- int r;
- r = read (fd, buf, count);
- if (r > 0)
- {
- p->file_offset += r;
- if (p->file_offset > p->file_max)
- p->file_max = p->file_offset;
- }
- return r;
-}
-
-static void file_end (void *handle, off_t offset)
-{
- struct file_read_info *p = (struct file_read_info *) handle;
-
- if (offset != p->file_moffset)
- {
- p->file_moffset = offset;
- p->file_more = 1;
- }
-}
-
#define FILE_MATCH_BLANK "\t "
static char *fileMatchStr (ZebraHandle zh,
else
ctrl->seqno[i] = 0;
}
- ctrl->zebra_maps = zh->reg->zebra_maps;
ctrl->flagShowRecords = !zh->m_flag_rw;
}
{
RecWord word;
extract_init(ctrl, &word);
- word.index_name = "allrecords";
+ word.index_name = "_ALLRECORDS";
word.index_type = 'w';
word.seqno = 1;
- extract_add_index_string (&word, "", 0);
-}
-
-static ZEBRA_RES file_extract_record(ZebraHandle zh,
- SYSNO *sysno, const char *fname,
- int deleteFlag,
- struct file_read_info *fi,
- int force_update,
- RecType recType,
- void *recTypeClientData)
-{
- const char *match_str_to_print = "";
- RecordAttr *recordAttr;
- int r;
- const char *matchStr = 0;
- SYSNO sysnotmp;
- Record rec;
- off_t recordOffset = 0;
- struct recExtractCtrl extractCtrl;
-
- /* announce database */
- if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
- {
- if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
- zh->m_explain_database))
- return ZEBRA_FAIL;
- }
-
- if (fi->fd != -1)
- {
- /* we are going to read from a file, so prepare the extraction */
- zebra_rec_keys_reset(zh->reg->keys);
-
- zebra_rec_keys_reset(zh->reg->sortKeys);
- recordOffset = fi->file_moffset;
- extractCtrl.handle = zh;
- extractCtrl.offset = fi->file_moffset;
- extractCtrl.readf = file_read;
- extractCtrl.seekf = file_seek;
- extractCtrl.tellf = file_tell;
- extractCtrl.endf = file_end;
- extractCtrl.fh = fi;
- extractCtrl.init = extract_init;
- extractCtrl.tokenAdd = extract_token_add;
- extractCtrl.schemaAdd = extract_schema_add;
- extractCtrl.dh = zh->reg->dh;
- extractCtrl.match_criteria[0] = '\0';
- extractCtrl.staticrank = 0;
-
- extractCtrl.first_record = fi->file_offset ? 0 : 1;
-
- extract_set_store_data_prepare(&extractCtrl);
-
- init_extractCtrl(zh, &extractCtrl);
-
- if (!zh->m_flag_rw)
- printf ("File: %s " PRINTF_OFF_T "\n", fname, recordOffset);
- if (zh->m_flag_rw)
- {
- char msg[512];
- sprintf (msg, "%s:" PRINTF_OFF_T , fname, recordOffset);
- yaz_log_init_prefix2 (msg);
- }
-
- r = (*recType->extract)(recTypeClientData, &extractCtrl);
-
- yaz_log_init_prefix2 (0);
- if (r == RECCTRL_EXTRACT_EOF)
- return ZEBRA_FAIL;
- else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
- {
- /* error occured during extraction ... */
- if (zh->m_flag_rw &&
- zh->records_processed < zh->m_file_verbose_limit)
- {
- yaz_log (YLOG_WARN, "fail %s %s " PRINTF_OFF_T, zh->m_record_type,
- fname, recordOffset);
- }
- return ZEBRA_FAIL;
- }
- else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
- {
- /* error occured during extraction ... */
- if (zh->m_flag_rw &&
- zh->records_processed < zh->m_file_verbose_limit)
- {
- yaz_log (YLOG_WARN, "no filter for %s %s "
- PRINTF_OFF_T, zh->m_record_type,
- fname, recordOffset);
- }
- return ZEBRA_FAIL;
- }
- all_matches_add(&extractCtrl);
- if (extractCtrl.match_criteria[0])
- matchStr = extractCtrl.match_criteria;
- }
-
- /* if matchStr is set now - we assume it's printable .
- For internal matchStr (see below) we don't print */
- if (matchStr)
- match_str_to_print = matchStr;
-
- /* perform internal match if sysno not known and if match criteria is
- specified already */
- if (!sysno)
- {
- sysnotmp = 0;
- sysno = &sysnotmp;
-
- if (matchStr == 0 && zh->m_record_id && *zh->m_record_id)
- {
- matchStr = fileMatchStr (zh, zh->reg->keys, fname,
- zh->m_record_id);
- if (!matchStr)
- {
- yaz_log(YLOG_WARN, "Bad match criteria");
-
- if (zebra_rec_keys_empty(zh->reg->keys))
- {
- yaz_log(YLOG_WARN, "And no index keys");
- }
- return ZEBRA_FAIL;
- }
- }
- if (matchStr)
- {
- int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
- char *rinfo = dict_lookup_ord(zh->reg->matchDict, db_ord,
- matchStr);
- if (rinfo)
- {
- assert(*rinfo == sizeof(*sysno));
- memcpy (sysno, rinfo+1, sizeof(*sysno));
- }
- }
- }
- if (! *sysno && zebra_rec_keys_empty(zh->reg->keys) )
- {
- /* the extraction process returned no information - the record
- is probably empty - unless flagShowRecords is in use */
- if (!zh->m_flag_rw)
- return ZEBRA_OK;
-
- if (zh->records_processed < zh->m_file_verbose_limit)
- yaz_log (YLOG_WARN, "empty %s %s " PRINTF_OFF_T, zh->m_record_type,
- fname, recordOffset);
- return ZEBRA_OK;
- }
-
- if (! *sysno)
- {
- /* new record */
- if (deleteFlag)
- {
- yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T, zh->m_record_type,
- fname, recordOffset);
- yaz_log (YLOG_WARN, "cannot delete record above (seems new)");
- return ZEBRA_OK;
- }
-
- rec = rec_new (zh->reg->records);
-
- *sysno = rec->sysno;
-
- if (zh->records_processed < zh->m_file_verbose_limit)
- {
- yaz_log(YLOG_LOG, "add %s %s " PRINTF_OFF_T
- " " ZINT_FORMAT " %s" ,
- zh->m_record_type,
- fname, recordOffset, *sysno, match_str_to_print);
- }
- recordAttr = rec_init_attr (zh->reg->zei, rec);
- recordAttr->staticrank = extractCtrl.staticrank;
-
- if (matchStr)
- {
- int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
- dict_insert_ord(zh->reg->matchDict, db_ord, matchStr,
- sizeof(*sysno), sysno);
- }
-
-
- extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys);
- extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys,
- recordAttr->staticrank);
- zh->records_inserted++;
- }
- else
- {
- /* record already exists */
- zebra_rec_keys_t delkeys = zebra_rec_keys_open();
-
- zebra_rec_keys_t sortKeys = zebra_rec_keys_open();
-
- rec = rec_get (zh->reg->records, *sysno);
- assert (rec);
-
- recordAttr = rec_init_attr (zh->reg->zei, rec);
-
- zebra_rec_keys_set_buf(delkeys,
- rec->info[recInfo_delKeys],
- rec->size[recInfo_delKeys],
- 0);
-
- zebra_rec_keys_set_buf(sortKeys,
- rec->info[recInfo_sortKeys],
- rec->size[recInfo_sortKeys],
- 0);
- extract_flushSortKeys (zh, *sysno, 0, sortKeys);
- extract_flushRecordKeys (zh, *sysno, 0, delkeys,
- recordAttr->staticrank); /* old values */
- if (deleteFlag)
- {
- /* record going to be deleted */
- if (zebra_rec_keys_empty(delkeys))
- {
- yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T
- " " ZINT_FORMAT,
- zh->m_record_type, fname, recordOffset, *sysno);
- yaz_log (YLOG_WARN, "cannot delete file above, storeKeys false (1)");
- }
- else
- {
- if (zh->records_processed < zh->m_file_verbose_limit)
- {
- yaz_log(YLOG_LOG, "delete %s %s " PRINTF_OFF_T
- " " ZINT_FORMAT " %s" ,
- zh->m_record_type,
- fname, recordOffset, *sysno, match_str_to_print);
- }
- zh->records_deleted++;
- if (matchStr)
- {
- int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
- dict_delete_ord(zh->reg->matchDict, db_ord, matchStr);
- }
- rec_del (zh->reg->records, &rec);
- }
- rec_rm (&rec);
- logRecord (zh);
- return ZEBRA_OK;
- }
- else
- {
- /* flush new keys for sort&search etc */
- if (zh->records_processed < zh->m_file_verbose_limit)
- {
- yaz_log(YLOG_LOG, "update %s %s " PRINTF_OFF_T
- " " ZINT_FORMAT " %s" ,
- zh->m_record_type,
- fname, recordOffset, *sysno, match_str_to_print);
- }
- recordAttr->staticrank = extractCtrl.staticrank;
- extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys);
- extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys,
- recordAttr->staticrank);
- zh->records_updated++;
- }
- zebra_rec_keys_close(delkeys);
- zebra_rec_keys_close(sortKeys);
- }
- /* update file type */
- xfree (rec->info[recInfo_fileType]);
- rec->info[recInfo_fileType] =
- rec_strdup (zh->m_record_type, &rec->size[recInfo_fileType]);
-
- /* update filename */
- xfree (rec->info[recInfo_filename]);
- rec->info[recInfo_filename] =
- rec_strdup (fname, &rec->size[recInfo_filename]);
-
- /* update delete keys */
- xfree (rec->info[recInfo_delKeys]);
- if (!zebra_rec_keys_empty(zh->reg->keys) && zh->m_store_keys == 1)
- {
- zebra_rec_keys_get_buf(zh->reg->keys,
- &rec->info[recInfo_delKeys],
- &rec->size[recInfo_delKeys]);
- }
- else
- {
- rec->info[recInfo_delKeys] = NULL;
- rec->size[recInfo_delKeys] = 0;
- }
-
- /* update sort keys */
- xfree (rec->info[recInfo_sortKeys]);
-
- zebra_rec_keys_get_buf(zh->reg->sortKeys,
- &rec->info[recInfo_sortKeys],
- &rec->size[recInfo_sortKeys]);
-
- /* save file size of original record */
- zebraExplain_recordBytesIncrement (zh->reg->zei,
- - recordAttr->recordSize);
- recordAttr->recordSize = fi->file_moffset - recordOffset;
- if (!recordAttr->recordSize)
- recordAttr->recordSize = fi->file_max - recordOffset;
- zebraExplain_recordBytesIncrement (zh->reg->zei,
- recordAttr->recordSize);
-
- /* set run-number for this record */
- recordAttr->runNumber = zebraExplain_runNumberIncrement (zh->reg->zei,
- 0);
-
- /* update store data */
- xfree (rec->info[recInfo_storeData]);
- if (zh->store_data_buf)
- {
- rec->size[recInfo_storeData] = zh->store_data_size;
- rec->info[recInfo_storeData] = zh->store_data_buf;
- zh->store_data_buf = 0;
- }
- else if (zh->m_store_data)
- {
- rec->size[recInfo_storeData] = recordAttr->recordSize;
- rec->info[recInfo_storeData] = (char *)
- xmalloc (recordAttr->recordSize);
- if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
- {
- yaz_log (YLOG_ERRNO|YLOG_FATAL, "seek to " PRINTF_OFF_T " in %s",
- recordOffset, fname);
- exit (1);
- }
- if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
- < recordAttr->recordSize)
- {
- yaz_log (YLOG_ERRNO|YLOG_FATAL, "read %d bytes of %s",
- recordAttr->recordSize, fname);
- exit (1);
- }
- }
- else
- {
- rec->info[recInfo_storeData] = NULL;
- rec->size[recInfo_storeData] = 0;
- }
- /* update database name */
- xfree (rec->info[recInfo_databaseName]);
- rec->info[recInfo_databaseName] =
- rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]);
-
- /* update offset */
- recordAttr->recordOffset = recordOffset;
-
- /* commit this record */
- rec_put (zh->reg->records, &rec);
- logRecord (zh);
- return ZEBRA_OK;
+ extract_add_index_string (&word, zinfo_index_category_alwaysmatches,
+ "", 0);
}
ZEBRA_RES zebra_extract_file(ZebraHandle zh, SYSNO *sysno, const char *fname,
char gprefix[128];
char ext[128];
char ext_res[128];
- struct file_read_info *fi;
+ struct file_read_info *fi = 0;
const char *original_record_type = 0;
RecType recType;
void *recTypeClientData;
+ struct ZebraRecStream stream, *streamp;
+
+ zebra_init_log_level();
if (!zh->m_group || !*zh->m_group)
*gprefix = '\0';
else
sprintf (gprefix, "%s.", zh->m_group);
- yaz_log (YLOG_DEBUG, "fileExtract %s", fname);
+ yaz_log(log_level, "zebra_extract_file %s", fname);
/* determine file extension */
*ext = '\0';
yaz_log(YLOG_WARN, "Bad filter version: %s", zh->m_record_type);
}
if (sysno && deleteFlag)
- fd = -1;
+ {
+ streamp = 0;
+ fi = 0;
+ }
else
{
char full_rep[1024];
zh->m_record_type = original_record_type;
return ZEBRA_FAIL;
}
+ streamp = &stream;
+ zebra_create_stream_fd(streamp, fd, 0);
}
- fi = file_read_start (fd);
while(1)
{
- fi->file_moffset = fi->file_offset;
- fi->file_more = 0; /* file_end not called (yet) */
- r = file_extract_record (zh, sysno, fname, deleteFlag, fi, 1,
- recType, recTypeClientData);
- if (fi->file_more)
- { /* file_end has been called so reset offset .. */
- fi->file_offset = fi->file_moffset;
- lseek(fi->fd, fi->file_moffset, SEEK_SET);
- }
+ r = zebra_extract_record_stream(zh, streamp,
+ deleteFlag,
+ 0, /* tst_mode */
+ zh->m_record_type,
+ sysno,
+ 0, /*match_criteria */
+ fname,
+ 1, /* force_update */
+ 1, /* allow_update */
+ recType, recTypeClientData);
if (r != ZEBRA_OK)
{
break;
break;
}
}
- file_read_stop (fi);
- if (fd != -1)
- close (fd);
+ if (streamp)
+ stream.destroy(streamp);
zh->m_record_type = original_record_type;
return r;
}
If not, and a record is provided, then sysno is got from there
*/
-ZEBRA_RES buffer_extract_record(ZebraHandle zh,
- const char *buf, size_t buf_size,
- int delete_flag,
- int test_mode,
- const char *recordType,
- SYSNO *sysno,
- const char *match_criteria,
- const char *fname,
- int force_update,
- int allow_update)
+
+ZEBRA_RES zebra_buffer_extract_record(ZebraHandle zh,
+ const char *buf, size_t buf_size,
+ int delete_flag,
+ int test_mode,
+ const char *recordType,
+ SYSNO *sysno,
+ const char *match_criteria,
+ const char *fname,
+ int force_update,
+ int allow_update)
{
- SYSNO sysno0 = 0;
- RecordAttr *recordAttr;
- struct recExtractCtrl extractCtrl;
- int r;
- const char *matchStr = 0;
- RecType recType = NULL;
+ struct ZebraRecStream stream;
+ ZEBRA_RES res;
void *clientData;
- Record rec;
- long recordOffset = 0;
- struct zebra_fetch_control fc;
- const char *pr_fname = fname; /* filename to print .. */
- int show_progress = zh->records_processed < zh->m_file_verbose_limit ? 1:0;
-
- if (!pr_fname)
- pr_fname = "<no file>"; /* make it printable if file is omitted */
-
- fc.fd = -1;
- fc.record_int_buf = buf;
- fc.record_int_len = buf_size;
- fc.record_int_pos = 0;
- fc.offset_end = 0;
- fc.record_offset = 0;
-
- extractCtrl.offset = 0;
- extractCtrl.readf = zebra_record_int_read;
- extractCtrl.seekf = zebra_record_int_seek;
- extractCtrl.tellf = zebra_record_int_tell;
- extractCtrl.endf = zebra_record_int_end;
- extractCtrl.first_record = 1;
- extractCtrl.fh = &fc;
+ RecType recType = 0;
- zebra_rec_keys_reset(zh->reg->keys);
- zebra_rec_keys_reset(zh->reg->sortKeys);
-
- if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
- {
- if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
- zh->m_explain_database))
- return ZEBRA_FAIL;
- }
-
if (recordType && *recordType)
{
- yaz_log (YLOG_DEBUG, "Record type explicitly specified: %s", recordType);
+ yaz_log(log_level, "Record type explicitly specified: %s", recordType);
recType = recType_byName (zh->reg->recTypes, zh->res, recordType,
&clientData);
}
yaz_log (YLOG_WARN, "No such record type defined");
return ZEBRA_FAIL;
}
- yaz_log (YLOG_DEBUG, "Get record type from rgroup: %s",zh->m_record_type);
+ yaz_log(log_level, "Get record type from rgroup: %s",
+ zh->m_record_type);
recType = recType_byName (zh->reg->recTypes, zh->res,
zh->m_record_type, &clientData);
recordType = zh->m_record_type;
yaz_log (YLOG_WARN, "No such record type: %s", recordType);
return ZEBRA_FAIL;
}
-
- extractCtrl.init = extract_init;
- extractCtrl.tokenAdd = extract_token_add;
- extractCtrl.schemaAdd = extract_schema_add;
- extractCtrl.dh = zh->reg->dh;
- extractCtrl.handle = zh;
- extractCtrl.match_criteria[0] = '\0';
- extractCtrl.staticrank = 0;
-
- init_extractCtrl(zh, &extractCtrl);
- extract_set_store_data_prepare(&extractCtrl);
- r = (*recType->extract)(clientData, &extractCtrl);
- if (r == RECCTRL_EXTRACT_EOF)
- return ZEBRA_FAIL;
- else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
+ zebra_create_stream_mem(&stream, buf, buf_size);
+
+ res = zebra_extract_record_stream(zh, &stream,
+ delete_flag,
+ test_mode,
+ recordType,
+ sysno,
+ match_criteria,
+ fname,
+ force_update,
+ allow_update,
+ recType, clientData);
+ stream.destroy(&stream);
+ return res;
+}
+
+
+ZEBRA_RES zebra_extract_record_stream(ZebraHandle zh,
+ struct ZebraRecStream *stream,
+ int delete_flag,
+ int test_mode,
+ const char *recordType,
+ SYSNO *sysno,
+ const char *match_criteria,
+ const char *fname,
+ int force_update,
+ int allow_update,
+ RecType recType,
+ void *recTypeClientData)
+
+{
+ SYSNO sysno0 = 0;
+ RecordAttr *recordAttr;
+ struct recExtractCtrl extractCtrl;
+ int r;
+ const char *matchStr = 0;
+ Record rec;
+ off_t start_offset = 0;
+ const char *pr_fname = fname; /* filename to print .. */
+ int show_progress = zh->records_processed < zh->m_file_verbose_limit ? 1:0;
+
+ zebra_init_log_level();
+
+ if (!pr_fname)
+ pr_fname = "<no file>"; /* make it printable if file is omitted */
+
+ zebra_rec_keys_reset(zh->reg->keys);
+ zebra_rec_keys_reset(zh->reg->sortKeys);
+
+ if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
{
- /* error occured during extraction ... */
- yaz_log (YLOG_WARN, "extract error: generic");
- return ZEBRA_FAIL;
+ if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
+ zh->m_explain_database))
+ return ZEBRA_FAIL;
}
- else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
+
+ if (stream)
{
- /* error occured during extraction ... */
- yaz_log (YLOG_WARN, "extract error: no such filter");
- return ZEBRA_FAIL;
- }
+ off_t null_offset = 0;
+ extractCtrl.stream = stream;
+
+ start_offset = stream->tellf(stream);
- all_matches_add(&extractCtrl);
+ extractCtrl.first_record = start_offset ? 0 : 1;
- if (extractCtrl.match_criteria[0])
- match_criteria = extractCtrl.match_criteria;
+ stream->endf(stream, &null_offset);;
+ extractCtrl.init = extract_init;
+ extractCtrl.tokenAdd = extract_token_add;
+ extractCtrl.schemaAdd = extract_schema_add;
+ extractCtrl.dh = zh->reg->dh;
+ extractCtrl.handle = zh;
+ extractCtrl.match_criteria[0] = '\0';
+ extractCtrl.staticrank = 0;
+
+
+ init_extractCtrl(zh, &extractCtrl);
+
+ extract_set_store_data_prepare(&extractCtrl);
+
+ r = (*recType->extract)(recTypeClientData, &extractCtrl);
+
+ if (r == RECCTRL_EXTRACT_EOF)
+ return ZEBRA_FAIL;
+ else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
+ {
+ /* error occured during extraction ... */
+ yaz_log (YLOG_WARN, "extract error: generic");
+ return ZEBRA_FAIL;
+ }
+ else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
+ {
+ /* error occured during extraction ... */
+ yaz_log (YLOG_WARN, "extract error: no such filter");
+ return ZEBRA_FAIL;
+ }
+
+ all_matches_add(&extractCtrl);
+
+ if (extractCtrl.match_criteria[0])
+ match_criteria = extractCtrl.match_criteria;
+ }
if (!sysno) {
sysno = &sysno0;
/* new record */
if (delete_flag)
{
- yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
- pr_fname, (long) recordOffset);
+ yaz_log (YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
+ pr_fname, (zint) start_offset);
yaz_log (YLOG_WARN, "cannot delete record above (seems new)");
return ZEBRA_FAIL;
}
if (show_progress)
- yaz_log (YLOG_LOG, "add %s %s %ld", recordType, pr_fname,
- (long) recordOffset);
+ yaz_log (YLOG_LOG, "add %s %s " ZINT_FORMAT, recordType, pr_fname,
+ (zint) start_offset);
rec = rec_new (zh->reg->records);
*sysno = rec->sysno;
zebra_rec_keys_t sortKeys = zebra_rec_keys_open();
if (!allow_update)
{
- yaz_log (YLOG_LOG, "skipped %s %s %ld",
- recordType, pr_fname, (long) recordOffset);
+ yaz_log (YLOG_LOG, "skipped %s %s " ZINT_FORMAT,
+ recordType, pr_fname, (zint) start_offset);
logRecord(zh);
return ZEBRA_FAIL;
}
/* record going to be deleted */
if (zebra_rec_keys_empty(delkeys))
{
- yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
- pr_fname, (long) recordOffset);
- yaz_log (YLOG_WARN, "cannot delete file above, "
- "storeKeys false (3)");
+ yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
+ pr_fname, (zint) start_offset);
+ yaz_log(YLOG_WARN, "cannot delete file above, "
+ "storeKeys false (3)");
}
else
{
if (show_progress)
- yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
- pr_fname, (long) recordOffset);
+ yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
+ pr_fname, (zint) start_offset);
zh->records_deleted++;
if (matchStr)
{
else
{
if (show_progress)
- yaz_log (YLOG_LOG, "update %s %s %ld", recordType,
- pr_fname, (long) recordOffset);
+ yaz_log(YLOG_LOG, "update %s %s " ZINT_FORMAT, recordType,
+ pr_fname, (zint) ZINT_FORMAT);
recordAttr->staticrank = extractCtrl.staticrank;
extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys);
extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys,
/* save file size of original record */
zebraExplain_recordBytesIncrement (zh->reg->zei,
- recordAttr->recordSize);
-#if 0
- recordAttr->recordSize = fi->file_moffset - recordOffset;
- if (!recordAttr->recordSize)
- recordAttr->recordSize = fi->file_max - recordOffset;
-#else
- recordAttr->recordSize = buf_size;
-#endif
- zebraExplain_recordBytesIncrement (zh->reg->zei,
- recordAttr->recordSize);
+ if (stream)
+ {
+ off_t end_offset = stream->endf(stream, 0);
+
+ if (!end_offset)
+ end_offset = stream->tellf(stream);
+ else
+ stream->seekf(stream, end_offset);
+
+ recordAttr->recordSize = end_offset - start_offset;
+ zebraExplain_recordBytesIncrement(zh->reg->zei,
+ recordAttr->recordSize);
+ }
/* set run-number for this record */
recordAttr->runNumber =
}
else if (zh->m_store_data)
{
+ off_t cur_offset = stream->tellf(stream);
+
rec->size[recInfo_storeData] = recordAttr->recordSize;
rec->info[recInfo_storeData] = (char *)
xmalloc (recordAttr->recordSize);
- memcpy (rec->info[recInfo_storeData], buf, recordAttr->recordSize);
+ stream->seekf(stream, start_offset);
+ stream->readf(stream, rec->info[recInfo_storeData],
+ recordAttr->recordSize);
+ stream->seekf(stream, cur_offset);
}
else
{
rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]);
/* update offset */
- recordAttr->recordOffset = recordOffset;
+ recordAttr->recordOffset = start_offset;
/* commit this record */
rec_put (zh->reg->records, &rec);
return ZEBRA_OK;
}
-int explain_extract (void *handle, Record rec, data1_node *n)
+ZEBRA_RES zebra_extract_explain(void *handle, Record rec, data1_node *n)
{
ZebraHandle zh = (ZebraHandle) handle;
struct recExtractCtrl extractCtrl;
zebra_rec_keys_get_buf(zh->reg->sortKeys,
&rec->info[recInfo_sortKeys],
&rec->size[recInfo_sortKeys]);
-
- return 0;
+ return ZEBRA_OK;
}
void extract_rec_keys_adjust(ZebraHandle zh, int is_insert,
struct it_key key_in;
while(zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
{
- int ord = key_in.mem[0];
+ int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
for (p = ord_list; p ; p = p->next)
if (p->ord == ord)
while(zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
{
int ch = 0;
+ int i, j = 0;
struct it_key key_out;
- zint *keyp = key_out.mem;
- assert(key_in.len == 4);
+ assert(key_in.len >= 2);
+ assert(key_in.len <= IT_KEY_LEVEL_MAX);
/* check for buffer overflow */
if (zh->reg->key_buf_used + 1024 >
(zh->reg->key_buf)[zh->reg->ptr_top - zh->reg->ptr_i] =
(char*)zh->reg->key_buf + zh->reg->key_buf_used;
+ /* key_in.mem[0] ord/ch */
+ /* key_in.mem[1] filter specified record ID */
+
/* encode the ordinal value (field/use/attribute) .. */
- ch = (int) key_in.mem[0];
+ ch = CAST_ZINT_TO_INT(key_in.mem[0]);
zh->reg->key_buf_used +=
key_SU_encode(ch, (char*)zh->reg->key_buf +
zh->reg->key_buf_used);
(long) staticrank);
staticrank = 0;
}
- *keyp++ = staticrank;
- key_out.len = 4;
+ key_out.mem[j++] = staticrank;
}
- else
- key_out.len = 3;
if (key_in.mem[1]) /* filter specified record ID */
- *keyp++ = key_in.mem[1];
+ key_out.mem[j++] = key_in.mem[1];
else
- *keyp++ = sysno;
- *keyp++ = key_in.mem[2]; /* section_id */
- *keyp++ = key_in.mem[3]; /* sequence .. */
-
+ key_out.mem[j++] = sysno;
+ for (i = 2; i < key_in.len; i++)
+ key_out.mem[j++] = key_in.mem[i];
+ key_out.len = j;
+
memcpy((char*)zh->reg->key_buf + zh->reg->key_buf_used,
&key_out, sizeof(key_out));
(zh->reg->key_buf_used) += sizeof(key_out);
#endif
if (!zh->reg->key_buf || ptr_i <= 0)
{
- yaz_log (YLOG_DEBUG, " nothing to flush section=%d buf=%p i=%d",
+ yaz_log(log_level, " nothing to flush section=%d buf=%p i=%d",
zh->reg->key_file_no, zh->reg->key_buf, ptr_i);
- yaz_log (YLOG_DEBUG, " buf=%p ",
- zh->reg->key_buf);
- yaz_log (YLOG_DEBUG, " ptr=%d ",zh->reg->ptr_i);
- yaz_log (YLOG_DEBUG, " reg=%p ",zh->reg);
-
return;
}
(zh->reg->key_file_no)++;
yaz_log (YLOG_LOG, "sorting section %d", (zh->reg->key_file_no));
- yaz_log (YLOG_DEBUG, " sort_buff at %p n=%d",
+ yaz_log(log_level, " sort_buff at %p n=%d",
zh->reg->key_buf + zh->reg->ptr_top - ptr_i,ptr_i);
#if !SORT_EXTRA
qsort (zh->reg->key_buf + zh->reg->ptr_top - ptr_i, ptr_i,
{
char dst_buf[IT_MAX_WORD];
char *dst_term = dst_buf;
- int ord, seqno;
+ int ord;
+ zint seqno;
int index_type;
- assert(key.len <= 4 && key.len > 2);
- seqno = (int) key.mem[key.len-1];
- ord = key.mem[0];
+
+ assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
+ seqno = key.mem[key.len-1];
+ ord = CAST_ZINT_TO_INT(key.mem[0]);
zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type,
- 0/* db */, 0/* set */, 0/* use */,
- 0 /* string_index */);
+ 0/* db */, 0 /* string_index */);
assert(index_type);
zebra_term_untrans_iconv(zh, nmem, index_type,
&dst_term, str);
while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
{
char dst_buf[IT_MAX_WORD];
- int seqno;
+ zint seqno;
int index_type;
+ int ord = CAST_ZINT_TO_INT(key.mem[0]);
const char *db = 0;
- assert(key.len <= 4 && key.len > 2);
+ assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
- zebraExplain_lookup_ord(zh->reg->zei,
- key.mem[0], &index_type, &db, 0, 0, 0);
+ zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db, 0);
- seqno = (int) key.mem[key.len-1];
+ seqno = key.mem[key.len-1];
zebra_term_untrans(zh, index_type, dst_buf, str);
- yaz_log(YLOG_LOG, "ord=" ZINT_FORMAT " seqno=%d term=%s",
- key.mem[0], seqno, dst_buf);
+ yaz_log(YLOG_LOG, "ord=%d seqno=" ZINT_FORMAT
+ " term=%s", ord, seqno, dst_buf);
}
}
}
-void extract_add_index_string(RecWord *p, const char *str, int length)
+static void extract_add_index_string(RecWord *p, zinfo_index_category_t cat,
+ const char *str, int length)
{
struct it_key key;
-
ZebraHandle zh = p->extractCtrl->handle;
ZebraExplainInfo zei = zh->reg->zei;
- int ch;
-
- if (!p->index_name)
- return;
+ int ch, i;
- ch = zebraExplain_lookup_attr_str(zei, p->index_type, p->index_name);
+ ch = zebraExplain_lookup_attr_str(zei, cat, p->index_type, p->index_name);
if (ch < 0)
- ch = zebraExplain_add_attr_str(zei, p->index_type, p->index_name);
+ ch = zebraExplain_add_attr_str(zei, cat, p->index_type, p->index_name);
- key.len = 4;
- key.mem[0] = ch;
- key.mem[1] = p->record_id;
- key.mem[2] = p->section_id;
- key.mem[3] = p->seqno;
+ i = 0;
+ key.mem[i++] = ch;
+ key.mem[i++] = p->record_id;
+ key.mem[i++] = p->section_id;
-#if 0
- if (1)
- {
- char strz[80];
- int i;
-
- strz[0] = 0;
- for (i = 0; i<length && i < 20; i++)
- sprintf(strz+strlen(strz), "%02X", str[i] & 0xff);
- /* just for debugging .. */
- yaz_log(YLOG_LOG, "add: set=%d use=%d "
- "record_id=%lld section_id=%lld seqno=%lld %s",
- p->attrSet, p->attrUse, p->record_id, p->section_id, p->seqno,
- strz);
- }
-#endif
+ if (zh->m_segment_indexing)
+ key.mem[i++] = p->segment;
+ key.mem[i++] = p->seqno;
+ key.len = i;
zebra_rec_keys_write(zh->reg->keys, str, length, &key);
}
static void extract_add_sort_string(RecWord *p, const char *str, int length)
{
struct it_key key;
-
ZebraHandle zh = p->extractCtrl->handle;
ZebraExplainInfo zei = zh->reg->zei;
int ch;
+ zinfo_index_category_t cat = zinfo_index_category_sort;
- if (!p->index_name)
- return;
-
- ch = zebraExplain_lookup_attr_str(zei, p->index_type, p->index_name);
+ ch = zebraExplain_lookup_attr_str(zei, cat, p->index_type, p->index_name);
if (ch < 0)
- ch = zebraExplain_add_attr_str(zei, p->index_type, p->index_name);
- key.len = 4;
+ ch = zebraExplain_add_attr_str(zei, cat, p->index_type, p->index_name);
+ key.len = 2;
key.mem[0] = ch;
key.mem[1] = p->record_id;
- key.mem[2] = p->section_id;
- key.mem[3] = p->seqno;
-#if 0
- if (1)
- {
- char strz[80];
- int i;
-
- strz[0] = 0;
- for (i = 0; i<length && i < 20; i++)
- sprintf(strz+strlen(strz), "%02X", str[i] & 0xff);
- /* just for debugging .. */
- yaz_log(YLOG_LOG, "add: set=%d use=%d "
- "record_id=%lld section_id=%lld seqno=%lld %s",
- p->attrSet, p->attrUse, p->record_id, p->section_id, p->seqno,
- strz);
- }
-#endif
zebra_rec_keys_write(zh->reg->sortKeys, str, length, &key);
}
-void extract_add_string (RecWord *p, const char *string, int length)
+static void extract_add_string(RecWord *p, const char *string, int length)
{
+ ZebraHandle zh = p->extractCtrl->handle;
assert (length > 0);
- if (zebra_maps_is_sort (p->zebra_maps, p->index_type))
- extract_add_sort_string (p, string, length);
+
+ if (!p->index_name)
+ return;
+
+ if (zebra_maps_is_sort(zh->reg->zebra_maps, p->index_type))
+ extract_add_sort_string(p, string, length);
else
- extract_add_index_string (p, string, length);
+ {
+ extract_add_index_string(p, zinfo_index_category_index,
+ string, length);
+ if (zebra_maps_is_alwaysmatches(zh->reg->zebra_maps, p->index_type))
+ {
+ RecWord word;
+ memcpy(&word, p, sizeof(word));
+
+ word.seqno = 1;
+ extract_add_index_string(
+ &word, zinfo_index_category_alwaysmatches, "", 0);
+ }
+ }
}
static void extract_add_incomplete_field (RecWord *p)
{
+ ZebraHandle zh = p->extractCtrl->handle;
const char *b = p->term_buf;
int remain = p->term_len;
const char **map = 0;
- yaz_log(YLOG_DEBUG, "Incomplete field, w='%.*s'", p->term_len, p->term_buf);
-
if (remain > 0)
- map = zebra_maps_input(p->zebra_maps, p->index_type, &b, remain, 0);
+ map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, 0);
while (map)
{
{
remain = p->term_len - (b - p->term_buf);
if (remain > 0)
- map = zebra_maps_input(p->zebra_maps, p->index_type, &b,
+ map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b,
remain, 0);
else
map = 0;
buf[i++] = *(cp++);
remain = p->term_len - (b - p->term_buf);
if (remain > 0)
- map = zebra_maps_input(p->zebra_maps, p->index_type, &b, remain, 0);
+ map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, 0);
else
map = 0;
}
static void extract_add_complete_field (RecWord *p)
{
+ ZebraHandle zh = p->extractCtrl->handle;
const char *b = p->term_buf;
char buf[IT_MAX_WORD+1];
const char **map = 0;
int i = 0, remain = p->term_len;
- yaz_log(YLOG_DEBUG, "Complete field, w='%.*s'",
- p->term_len, p->term_buf);
-
if (remain > 0)
- map = zebra_maps_input (p->zebra_maps, p->index_type, &b, remain, 1);
+ map = zebra_maps_input (zh->reg->zebra_maps, p->index_type, &b, remain, 1);
while (remain > 0 && i < IT_MAX_WORD)
{
if (remain > 0)
{
int first = i ? 0 : 1; /* first position */
- map = zebra_maps_input(p->zebra_maps, p->index_type, &b, remain, first);
+ map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, first);
}
else
map = 0;
{
if (i >= IT_MAX_WORD)
break;
- yaz_log(YLOG_DEBUG, "Adding string to index '%d'", **map);
while (i < IT_MAX_WORD && *cp)
buf[i++] = *(cp++);
}
remain = p->term_len - (b - p->term_buf);
if (remain > 0)
{
- map = zebra_maps_input (p->zebra_maps, p->index_type, &b,
+ map = zebra_maps_input (zh->reg->zebra_maps, p->index_type, &b,
remain, 0);
}
else
extract_add_string (p, buf, i);
}
-void extract_token_add (RecWord *p)
+static void extract_token_add(RecWord *p)
{
+ ZebraHandle zh = p->extractCtrl->handle;
WRBUF wrbuf;
-#if 0
- yaz_log (YLOG_LOG, "token_add "
- "reg_type=%c attrSet=%d attrUse=%d seqno=%d s=%.*s",
- p->reg_type, p->attrSet, p->attrUse, p->seqno, p->length,
- p->string);
-#endif
- if ((wrbuf = zebra_replace(p->zebra_maps, p->index_type, 0,
+ if (log_level)
+ yaz_log(log_level, "extract_token_add "
+ "type=%c index=%s seqno=" ZINT_FORMAT " s=%.*s",
+ p->index_type, p->index_name,
+ p->seqno, p->term_len, p->term_buf);
+ if ((wrbuf = zebra_replace(zh->reg->zebra_maps, p->index_type, 0,
p->term_buf, p->term_len)))
{
p->term_buf = wrbuf_buf(wrbuf);
p->term_len = wrbuf_len(wrbuf);
}
- if (zebra_maps_is_complete (p->zebra_maps, p->index_type))
+ if (zebra_maps_is_complete (zh->reg->zebra_maps, p->index_type))
extract_add_complete_field (p);
else
extract_add_incomplete_field(p);
p->setStoreData = extract_set_store_data_cb;
}
-void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
+static void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
{
ZebraHandle zh = (ZebraHandle) p->handle;
zebraExplain_addSchema (zh->reg->zei, oid);
while (zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
{
- int ord = (int) key_in.mem[0];
+ int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
sortIdx_type(sortIdx, ord);
if (cmd == 1)
}
}
-void encode_key_init (struct encode_info *i)
+static void encode_key_init(struct encode_info *i)
{
- i->sysno = 0;
- i->seqno = 0;
- i->cmd = -1;
- i->prevsys=0;
- i->prevseq=0;
- i->prevcmd=-1;
- i->keylen=0;
i->encode_handle = iscz1_start();
i->decode_handle = iscz1_start();
}
-#define OLDENCODE 1
-
-#ifdef OLDENCODE
-/* this is the old encode_key_write
- * may be deleted once we are confident that the new works
- * HL 15-oct-2002
- */
-void encode_key_write (char *k, struct encode_info *i, FILE *outf)
+static void encode_key_write (char *k, struct encode_info *i, FILE *outf)
{
struct it_key key;
char *bp = i->buf, *bp0;
#endif
}
-void encode_key_flush (struct encode_info *i, FILE *outf)
+static void encode_key_flush (struct encode_info *i, FILE *outf)
{
iscz1_stop(i->encode_handle);
iscz1_stop(i->decode_handle);
}
-#else
-
-/* new encode_key_write
- * The idea is to buffer one more key, and compare them
- * If we are going to delete and insert the same key,
- * we may as well not bother. Should make a difference in
- * updates with small modifications (appending to a mbox)
- */
-void encode_key_write (char *k, struct encode_info *i, FILE *outf)
-{
- struct it_key key;
- char *bp;
-
- if (*k) /* first time for new key */
- {
- bp = i->buf;
- while ((*bp++ = *k++))
- ;
- i->keylen= bp - i->buf -1;
- assert(i->keylen+1+sizeof(struct it_key) < ENCODE_BUFLEN);
- }
- else
- {
- bp=i->buf + i->keylen;
- *bp++=0;
- k++;
- }
-
- memcpy (&key, k+1, sizeof(struct it_key));
- if (0==i->prevsys) /* no previous filter, fill up */
- {
- i->prevsys=key.sysno;
- i->prevseq=key.seqno;
- i->prevcmd=*k;
- }
- else if ( (i->prevsys==key.sysno) &&
- (i->prevseq==key.seqno) &&
- (i->prevcmd!=*k) )
- { /* same numbers, diff cmd, they cancel out */
- i->prevsys=0;
- }
- else
- { /* different stuff, write previous, move buf */
- bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
- if (i->sysno != i->prevsys)
- {
- i->sysno = i->prevsys;
- i->seqno = 0;
- }
- else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
- {
- return; /* ??? Filters some sort of duplicates away */
- /* ??? Can this ever happen -H 15oct02 */
- }
- bp = encode_key_int (i->prevseq - i->seqno, bp);
- i->seqno = i->prevseq;
- i->cmd = i->prevcmd;
- if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
- {
- yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite");
- exit (1);
- }
- i->keylen=0; /* ok, it's written, forget it */
- i->prevsys=key.sysno;
- i->prevseq=key.seqno;
- i->prevcmd=*k;
- }
-}
-
-void encode_key_flush (struct encode_info *i, FILE *outf)
-{ /* flush the last key from i */
- char *bp =i->buf + i->keylen;
- if (0==i->prevsys)
- {
- return; /* nothing to flush */
- }
- *bp++=0;
- bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
- if (i->sysno != i->prevsys)
- {
- i->sysno = i->prevsys;
- i->seqno = 0;
- }
- else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
- {
- return; /* ??? Filters some sort of duplicates away */
- /* ??? Can this ever happen -H 15oct02 */
- }
- bp = encode_key_int (i->prevseq - i->seqno, bp);
- i->seqno = i->prevseq;
- i->cmd = i->prevcmd;
- if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
- {
- yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite");
- exit (1);
- }
- i->keylen=0; /* ok, it's written, forget it */
- i->prevsys=0; /* forget the values too */
- i->prevseq=0;
-}
-#endif
/*
* Local variables:
* c-basic-offset: 4