-/*
- * Copyright (C) 1994-1995, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: extract.c,v $
- * Revision 1.6 1995-09-08 14:52:27 adam
- * Minor changes. Dictionary is lower case now.
- *
- * Revision 1.5 1995/09/06 16:11:16 adam
- * Option: only one word key per file.
- *
- * Revision 1.4 1995/09/05 15:28:39 adam
- * More work on search engine.
- *
- * Revision 1.3 1995/09/04 12:33:41 adam
- * Various cleanup. YAZ util used instead.
- *
- * Revision 1.2 1995/09/04 09:10:34 adam
- * More work on index add/del/update.
- * Merge sort implemented.
- * Initial work on z39 server.
- *
- * Revision 1.1 1995/09/01 14:06:35 adam
- * Split of work into more files.
- *
- */
+/* $Id: extract.c,v 1.200 2005-12-09 10:45:04 adam Exp $
+ Copyright (C) 1995-2005
+ Index Data ApS
+
+This file is part of the Zebra server.
+
+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
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+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.
+*/
+
#include <stdio.h>
#include <assert.h>
+#include <ctype.h>
+#ifdef WIN32
+#include <io.h>
+#endif
+#if HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <fcntl.h>
-#include <ctype.h>
-#include <alexutil.h>
#include "index.h"
+#include <direntz.h>
+#include <charmap.h>
-#define KEY_BUF_SIZE 100000
+#if _FILE_OFFSET_BITS == 64
+#define PRINTF_OFF_T "%Ld"
+#else
+#define PRINTF_OFF_T "%ld"
+#endif
-static Dict file_idx;
-static SYSNO sysno_next;
-static int key_fd = -1;
-static int sys_idx_fd = -1;
-static char *key_buf;
-static int key_offset;
+#define USE_SHELLSORT 0
-void key_open (const char *fname)
+#if USE_SHELLSORT
+static void shellsort(void *ar, int r, size_t s,
+ int (*cmp)(const void *a, const void *b))
{
- void *file_key;
- if (key_fd != -1)
- return;
- if ((key_fd = open (fname, O_RDWR|O_CREAT, 0666)) == -1)
- {
- logf (LOG_FATAL|LOG_ERRNO, "open %s", fname);
- exit (1);
- }
- logf (LOG_DEBUG, "key_open of %s", fname);
- if (!(key_buf = malloc (KEY_BUF_SIZE)))
+ char *a = ar;
+ char v[100];
+ int h, i, j, k;
+ static const int incs[16] = { 1391376, 463792, 198768, 86961, 33936,
+ 13776, 4592, 1968, 861, 336,
+ 112, 48, 21, 7, 3, 1 };
+ for ( k = 0; k < 16; k++)
+ for (h = incs[k], i = h; i < r; i++)
+ {
+ memcpy (v, a+s*i, s);
+ j = i;
+ while (j > h && (*cmp)(a + s*(j-h), v) > 0)
+ {
+ memcpy (a + s*j, a + s*(j-h), s);
+ j -= h;
+ }
+ memcpy (a+s*j, v, s);
+ }
+}
+#endif
+
+static void logRecord (ZebraHandle zh)
+{
+ ++zh->records_processed;
+ if (!(zh->records_processed % 1000))
{
- logf (LOG_FATAL|LOG_ERRNO, "malloc");
- exit (1);
+ 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);
}
- key_offset = 0;
- if (!(file_idx = dict_open (FNAME_FILE_DICT, 40, 1)))
+}
+
+static void extract_set_store_data_prepare(struct recExtractCtrl *p);
+
+static void extract_init (struct recExtractCtrl *p, RecWord *w)
+{
+ w->zebra_maps = p->zebra_maps;
+ w->seqno = 1;
+#if NATTR
+#else
+ w->attrSet = VAL_BIB1;
+ w->attrUse = 1016;
+#endif
+ w->index_name = 0;
+ w->index_type = 'w';
+ w->extractCtrl = p;
+ w->record_id = 0;
+ w->section_id = 0;
+}
+
+static void searchRecordKey(ZebraHandle zh,
+ zebra_rec_keys_t reckeys,
+ int attrSetS, int attrUseS,
+ const char **ws, int ws_length)
+{
+ int i;
+ int ch;
+
+ for (i = 0; i<ws_length; i++)
+ ws[i] = NULL;
+
+ ch = zebraExplain_lookup_attr_su_any_index(zh->reg->zei,
+ attrSetS, attrUseS);
+ if (ch < 0)
+ return ;
+
+ if (zebra_rec_keys_rewind(reckeys))
{
- logf (LOG_FATAL, "dict_open fail of %s", "fileidx");
- exit (1);
+ int 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);
+
+ seqno = key.mem[key.len-1];
+
+ if (key.mem[0] == ch)
+ {
+ int woff;
+
+ if (startSeq == -1)
+ startSeq = seqno;
+ woff = seqno - startSeq;
+ if (woff >= 0 && woff < ws_length)
+ ws[woff] = str;
+ }
+ }
}
- file_key = dict_lookup (file_idx, ".");
- if (file_key)
- memcpy (&sysno_next, (char*)file_key+1, sizeof(sysno_next));
- else
- sysno_next = 1;
- if ((sys_idx_fd = open (FNAME_SYS_IDX, O_RDWR|O_CREAT, 0666)) == -1)
+}
+
+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)
{
- logf (LOG_FATAL|LOG_ERRNO, "open %s", FNAME_SYS_IDX);
- exit (1);
+ p->file_offset += r;
+ if (p->file_offset > p->file_max)
+ p->file_max = p->file_offset;
}
+ return r;
}
-int key_close (void)
+static void file_end (void *handle, off_t offset)
{
- if (key_fd == -1)
+ struct file_read_info *p = (struct file_read_info *) handle;
+
+ if (offset != p->file_moffset)
{
- logf (LOG_DEBUG, "key_close - but no file");
- return 0;
+ p->file_moffset = offset;
+ p->file_more = 1;
}
- close (key_fd);
- close (sys_idx_fd);
- dict_insert (file_idx, ".", sizeof(sysno_next), &sysno_next);
- dict_close (file_idx);
- key_fd = -1;
- logf (LOG_DEBUG, "key close - key file exist");
- return 1;
}
-void key_flush (void)
+static char *fileMatchStr (ZebraHandle zh,
+ zebra_rec_keys_t reckeys,
+ const char *fname, const char *spec)
{
- size_t i = 0;
- int w;
+ static char dstBuf[2048]; /* static here ??? */
+ char *dst = dstBuf;
+ const char *s = spec;
- if (key_fd == -1)
- return;
- while (i < key_offset)
+ while (1)
{
- w = write (key_fd, key_buf + i, key_offset - i);
- if (w == -1)
+ while (*s == ' ' || *s == '\t')
+ s++;
+ if (!*s)
+ break;
+ if (*s == '(')
{
- logf (LOG_FATAL|LOG_ERRNO, "Write key fail");
- exit (1);
+ const char *ws[32];
+ char attset_str[64], attname_str[64];
+ data1_attset *attset;
+ int i;
+ char matchFlag[32];
+ int attSet = 1, attUse = 1;
+ int first = 1;
+
+ s++;
+ for (i = 0; *s && *s != ',' && *s != ')'; s++)
+ if (i < 63)
+ attset_str[i++] = *s;
+ attset_str[i] = '\0';
+
+ if (*s == ',')
+ {
+ s++;
+ for (i = 0; *s && *s != ')'; s++)
+ if (i < 63)
+ attname_str[i++] = *s;
+ attname_str[i] = '\0';
+ }
+
+ if ((attset = data1_get_attset (zh->reg->dh, attset_str)))
+ {
+ data1_att *att;
+ attSet = attset->reference;
+ att = data1_getattbyname(zh->reg->dh, attset, attname_str);
+ if (att)
+ attUse = att->value;
+ else
+ attUse = atoi (attname_str);
+ }
+ searchRecordKey (zh, reckeys, attSet, attUse, ws, 32);
+
+ if (*s == ')')
+ {
+ for (i = 0; i<32; i++)
+ matchFlag[i] = 1;
+ }
+ else
+ {
+ yaz_log (YLOG_WARN, "Missing ) in match criteria %s in group %s",
+ spec, zh->m_group ? zh->m_group : "none");
+ return NULL;
+ }
+ s++;
+
+ for (i = 0; i<32; i++)
+ if (matchFlag[i] && ws[i])
+ {
+ if (first)
+ {
+ *dst++ = ' ';
+ first = 0;
+ }
+ strcpy (dst, ws[i]);
+ dst += strlen(ws[i]);
+ }
+ if (first)
+ {
+ yaz_log (YLOG_WARN, "Record didn't contain match"
+ " fields in (%s,%s)", attset_str, attname_str);
+ return NULL;
+ }
+ }
+ else if (*s == '$')
+ {
+ int spec_len;
+ char special[64];
+ const char *spec_src = NULL;
+ const char *s1 = ++s;
+ while (*s1 && *s1 != ' ' && *s1 != '\t')
+ s1++;
+
+ spec_len = s1 - s;
+ if (spec_len > 63)
+ spec_len = 63;
+ memcpy (special, s, spec_len);
+ special[spec_len] = '\0';
+ s = s1;
+
+ if (!strcmp (special, "group"))
+ spec_src = zh->m_group;
+ else if (!strcmp (special, "database"))
+ spec_src = zh->basenames[0];
+ else if (!strcmp (special, "filename")) {
+ spec_src = fname;
+ }
+ else if (!strcmp (special, "type"))
+ spec_src = zh->m_record_type;
+ else
+ spec_src = NULL;
+ if (spec_src)
+ {
+ strcpy (dst, spec_src);
+ dst += strlen (spec_src);
+ }
+ }
+ else if (*s == '\"' || *s == '\'')
+ {
+ int stopMarker = *s++;
+ char tmpString[64];
+ int i = 0;
+
+ while (*s && *s != stopMarker)
+ {
+ if (i < 63)
+ tmpString[i++] = *s++;
+ }
+ if (*s)
+ s++;
+ tmpString[i] = '\0';
+ strcpy (dst, tmpString);
+ dst += strlen (tmpString);
}
- i += w;
+ else
+ {
+ yaz_log (YLOG_WARN, "Syntax error in match criteria %s in group %s",
+ spec, zh->m_group ? zh->m_group : "none");
+ return NULL;
+ }
+ *dst++ = 1;
+ }
+ if (dst == dstBuf)
+ {
+ yaz_log (YLOG_WARN, "No match criteria for record %s in group %s",
+ fname, zh->m_group ? zh->m_group : "none");
+ return NULL;
}
- key_offset = 0;
+ *dst = '\0';
+ return dstBuf;
}
-void key_write (int cmd, struct it_key *k, const char *str)
-{
- char x;
- size_t slen = strlen(str);
+struct recordLogInfo {
+ const char *fname;
+ int recordOffset;
+ struct recordGroup *rGroup;
+};
- if (key_offset + sizeof(*k) + slen >= KEY_BUF_SIZE - 2)
- key_flush ();
- x = (cmd == 'a') ? 1 : 0;
- memcpy (key_buf + key_offset, str, slen+1);
- key_offset += slen+1;
- memcpy (key_buf + key_offset, &x, 1);
- key_offset++;
- memcpy (key_buf + key_offset, k, sizeof(*k));
- key_offset += sizeof(*k);
+static void init_extractCtrl(ZebraHandle zh, struct recExtractCtrl *ctrl)
+{
+ int i;
+ for (i = 0; i<256; i++)
+ {
+ if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
+ ctrl->seqno[i] = 1;
+ else
+ ctrl->seqno[i] = 0;
+ }
+ ctrl->zebra_maps = zh->reg->zebra_maps;
+ ctrl->flagShowRecords = !zh->m_flag_rw;
}
-void key_write_x (struct strtab *t, int cmd, struct it_key *k, const char *str)
+static int file_extract_record(ZebraHandle zh,
+ SYSNO *sysno, const char *fname,
+ int deleteFlag,
+ struct file_read_info *fi,
+ int force_update,
+ RecType recType,
+ void *recTypeClientData)
{
- void **oldinfo;
+ 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 0;
+ }
- if (strtab_src (t, str, &oldinfo))
- ((struct it_key *) *oldinfo)->seqno++;
- else
+ if (fi->fd != -1)
{
- *oldinfo = xmalloc (sizeof(*k));
- memcpy (*oldinfo, k, sizeof(*k));
- ((struct it_key *) *oldinfo)->seqno = 1;
+ /* we are going to read from a file, so prepare the extraction */
+ zebra_rec_keys_reset(zh->reg->keys);
+
+#if NATTR
+ zebra_rec_keys_reset(zh->reg->sortKeys);
+#else
+ zh->reg->sortKeys.buf_used = 0;
+#endif
+ 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 0;
+ 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 0;
+ }
+ 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 0;
+ }
+ if (extractCtrl.match_criteria[0])
+ matchStr = extractCtrl.match_criteria;
}
-}
-void key_rec_flush (const char *str, void *info, void *data)
-{
- key_write (*((int*) data), (struct it_key *)info, str);
- xfree (info);
-}
+ /* perform match if sysno not known and if match criteria is specified */
+ if (!sysno)
+ {
+ sysnotmp = 0;
+ sysno = &sysnotmp;
-void text_extract (struct strtab *t, SYSNO sysno, int cmd, const char *fname)
-{
- FILE *inf;
- struct it_key k;
- int seqno = 1;
- int c;
- char w[IT_MAX_WORD];
+ 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");
+ return 0;
+ }
+ }
+ if (matchStr)
+ {
+ char *rinfo = dict_lookup (zh->reg->matchDict, 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 1;
+
+ 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 1;
+ }
- logf (LOG_DEBUG, "Text extract of %d", sysno);
- k.sysno = sysno;
- inf = fopen (fname, "r");
- if (!inf)
+ if (! *sysno)
{
- logf (LOG_WARN|LOG_ERRNO, "open %s", fname);
- return;
+ /* 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 1;
+ }
+ if (zh->records_processed < zh->m_file_verbose_limit)
+ yaz_log (YLOG_LOG, "add %s %s " PRINTF_OFF_T, zh->m_record_type,
+ fname, recordOffset);
+ rec = rec_new (zh->reg->records);
+
+ *sysno = rec->sysno;
+
+ recordAttr = rec_init_attr (zh->reg->zei, rec);
+ recordAttr->staticrank = extractCtrl.staticrank;
+
+ if (matchStr)
+ {
+ dict_insert (zh->reg->matchDict, matchStr, sizeof(*sysno), sysno);
+ }
+#if NATTR
+ extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys);
+#else
+ extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
+#endif
+ extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys,
+ recordAttr->staticrank);
+ zh->records_inserted++;
}
- while ((c=getc (inf)) != EOF)
+ else
{
- int i = 0;
- while (i < 254 && c != EOF && isalnum(c))
+ /* record already exists */
+ zebra_rec_keys_t delkeys = zebra_rec_keys_open();
+
+#if NATTR
+ zebra_rec_keys_t sortKeys = zebra_rec_keys_open();
+#else
+ struct sortKeys sortKeys;
+#endif
+
+ 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);
+
+#if NATTR
+ zebra_rec_keys_set_buf(sortKeys,
+ rec->info[recInfo_sortKeys],
+ rec->size[recInfo_sortKeys],
+ 0);
+ extract_flushSortKeys (zh, *sysno, 0, sortKeys);
+#else
+ sortKeys.buf_used = rec->size[recInfo_sortKeys];
+ sortKeys.buf = rec->info[recInfo_sortKeys];
+ extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
+#endif
+
+ extract_flushRecordKeys (zh, *sysno, 0, delkeys,
+ recordAttr->staticrank); /* old values */
+ if (deleteFlag)
{
- w[i++] = index_char_cvt (c);
- c = getc (inf);
+ /* record going to be deleted */
+ if (zebra_rec_keys_empty(delkeys))
+ {
+ yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T,
+ zh->m_record_type, fname, recordOffset);
+ 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,
+ zh->m_record_type, fname, recordOffset);
+ zh->records_deleted++;
+ if (matchStr)
+ dict_delete (zh->reg->matchDict, matchStr);
+ rec_del (zh->reg->records, &rec);
+ }
+ rec_rm (&rec);
+ logRecord (zh);
+ return 1;
}
- if (i)
+ else
{
- w[i] = 0;
-
- k.seqno = seqno++;
-#if IT_KEY_HAVE_FIELD
- k.field = 0;
+ /* 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,
+ zh->m_record_type, fname, recordOffset);
+ recordAttr->staticrank = extractCtrl.staticrank;
+#if NATTR
+ extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys);
+#else
+ extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
#endif
- key_write_x (t, cmd, &k, w);
+ extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys,
+ recordAttr->staticrank);
+ zh->records_updated++;
}
- if (c == EOF)
- break;
+ zebra_rec_keys_close(delkeys);
+#if NATTR
+ zebra_rec_keys_close(sortKeys);
+#endif
+ }
+ /* 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]);
+
+#if NATTR
+ zebra_rec_keys_get_buf(zh->reg->sortKeys,
+ &rec->info[recInfo_sortKeys],
+ &rec->size[recInfo_sortKeys]);
+#else
+ rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
+ rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
+ zh->reg->sortKeys.buf = NULL;
+ zh->reg->sortKeys.buf_max = 0;
+#endif
+
+ /* 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;
}
- fclose (inf);
+ 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 1;
}
-void file_extract (int cmd, const char *fname, const char *kname)
+int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
+ int deleteFlag)
{
- int i;
+ int r, i, fd;
+ char gprefix[128];
char ext[128];
- SYSNO sysno;
char ext_res[128];
- const char *file_type;
- void *file_info;
- struct strtab *t;
+ struct file_read_info *fi;
+ const char *original_record_type = 0;
+ RecType recType;
+ void *recTypeClientData;
+
+ if (!zh->m_group || !*zh->m_group)
+ *gprefix = '\0';
+ else
+ sprintf (gprefix, "%s.", zh->m_group);
+
+ yaz_log (YLOG_DEBUG, "fileExtract %s", fname);
- logf (LOG_DEBUG, "%c %s k=%s", cmd, fname, kname);
+ /* determine file extension */
+ *ext = '\0';
for (i = strlen(fname); --i >= 0; )
if (fname[i] == '/')
- {
- strcpy (ext, "");
break;
- }
else if (fname[i] == '.')
{
strcpy (ext, fname+i+1);
break;
}
- sprintf (ext_res, "fileExtension.%s", ext);
- if (!(file_type = res_get (common_resource, ext_res)))
+ /* determine file type - depending on extension */
+ original_record_type = zh->m_record_type;
+ if (!zh->m_record_type)
+ {
+ sprintf (ext_res, "%srecordType.%s", gprefix, ext);
+ zh->m_record_type = res_get (zh->res, ext_res);
+ }
+ if (!zh->m_record_type)
+ {
+ if (zh->records_processed < zh->m_file_verbose_limit)
+ yaz_log (YLOG_LOG, "? %s", fname);
+ return 0;
+ }
+ /* determine match criteria */
+ if (!zh->m_record_id)
+ {
+ sprintf (ext_res, "%srecordId.%s", gprefix, ext);
+ zh->m_record_id = res_get (zh->res, ext_res);
+ }
+
+ if (!(recType =
+ recType_byName (zh->reg->recTypes, zh->res, zh->m_record_type,
+ &recTypeClientData)))
+ {
+ yaz_log(YLOG_WARN, "No such record type: %s", zh->m_record_type);
+ return 0;
+ }
+
+ switch(recType->version)
+ {
+ case 0:
+ break;
+ default:
+ yaz_log(YLOG_WARN, "Bad filter version: %s", zh->m_record_type);
+ }
+ if (sysno && deleteFlag)
+ fd = -1;
+ else
+ {
+ char full_rep[1024];
+
+ if (zh->path_reg && !yaz_is_abspath (fname))
+ {
+ strcpy (full_rep, zh->path_reg);
+ strcat (full_rep, "/");
+ strcat (full_rep, fname);
+ }
+ else
+ strcpy (full_rep, fname);
+
+
+ if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
+ {
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "open %s", full_rep);
+ zh->m_record_type = original_record_type;
+ return 0;
+ }
+ }
+ fi = file_read_start (fd);
+ do
+ {
+ 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);
+ }
+ }
+ while (r && !sysno);
+ file_read_stop (fi);
+ if (fd != -1)
+ close (fd);
+ zh->m_record_type = original_record_type;
+ return r;
+}
+
+/*
+ If sysno is provided, then it's used to identify the reocord.
+ If not, and match_criteria is provided, then sysno is guessed
+ 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)
+{
+ SYSNO sysno0 = 0;
+ RecordAttr *recordAttr;
+ struct recExtractCtrl extractCtrl;
+ int r;
+ const char *matchStr = 0;
+ RecType recType = NULL;
+ 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;
+
+ zebra_rec_keys_reset(zh->reg->keys);
+
+#if NATTR
+ zebra_rec_keys_reset(zh->reg->sortKeys);
+#else
+ zh->reg->sortKeys.buf_used = 0;
+#endif
+ 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);
+ recType = recType_byName (zh->reg->recTypes, zh->res, recordType,
+ &clientData);
+ }
+ else
+ {
+ if (!(zh->m_record_type))
+ {
+ 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);
+ recType = recType_byName (zh->reg->recTypes, zh->res,
+ zh->m_record_type, &clientData);
+ recordType = zh->m_record_type;
+ }
+
+ if (!recType)
+ {
+ yaz_log (YLOG_WARN, "No such record type: %s", zh->m_record_type);
+ 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)
+ {
+ /* 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;
+ }
+
+ if (extractCtrl.match_criteria[0])
+ match_criteria = extractCtrl.match_criteria;
+
+ if (!sysno) {
+
+ sysno = &sysno0;
+
+ if (match_criteria && *match_criteria) {
+ matchStr = match_criteria;
+ } else {
+ if (zh->m_record_id && *zh->m_record_id) {
+ matchStr = fileMatchStr (zh, zh->reg->keys, pr_fname,
+ zh->m_record_id);
+ if (!matchStr)
+ {
+ yaz_log (YLOG_WARN, "Bad match criteria (recordID)");
+ return ZEBRA_FAIL;
+ }
+ }
+ }
+ if (matchStr) {
+ char *rinfo = dict_lookup (zh->reg->matchDict, matchStr);
+ if (rinfo)
+ {
+ assert(*rinfo == sizeof(*sysno));
+ memcpy (sysno, rinfo+1, sizeof(*sysno));
+ }
+ }
+ }
+ if (zebra_rec_keys_empty(zh->reg->keys))
+ {
+ /* the extraction process returned no information - the record
+ is probably empty - unless flagShowRecords is in use */
+ if (test_mode)
+ return ZEBRA_OK;
+ }
+
+ if (! *sysno)
+ {
+ /* new record */
+ if (delete_flag)
+ {
+ yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
+ pr_fname, (long) recordOffset);
+ 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);
+ rec = rec_new (zh->reg->records);
+
+ *sysno = rec->sysno;
+
+ recordAttr = rec_init_attr (zh->reg->zei, rec);
+ recordAttr->staticrank = extractCtrl.staticrank;
+
+ if (matchStr)
+ {
+ dict_insert (zh->reg->matchDict, matchStr,
+ sizeof(*sysno), sysno);
+ }
+#if NATTR
+ extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys);
+#else
+ extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
+#endif
+
+#if 0
+ print_rec_keys(zh, zh->reg->keys);
+#endif
+ 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();
+#if NATTR
+ zebra_rec_keys_t sortKeys = zebra_rec_keys_open();
+#else
+ struct sortKeys sortKeys;
+#endif
+
+ if (!allow_update)
+ {
+ yaz_log (YLOG_LOG, "skipped %s %s %ld",
+ recordType, pr_fname, (long) recordOffset);
+ logRecord(zh);
+ return ZEBRA_FAIL;
+ }
+
+ 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);
+#if NATTR
+ zebra_rec_keys_set_buf(sortKeys,
+ rec->info[recInfo_sortKeys],
+ rec->size[recInfo_sortKeys],
+ 0);
+#else
+ sortKeys.buf_used = rec->size[recInfo_sortKeys];
+ sortKeys.buf = rec->info[recInfo_sortKeys];
+#endif
+
+#if NATTR
+ extract_flushSortKeys (zh, *sysno, 0, sortKeys);
+#else
+ extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
+#endif
+ extract_flushRecordKeys (zh, *sysno, 0, delkeys,
+ recordAttr->staticrank);
+ if (delete_flag)
+ {
+ /* 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)");
+ }
+ else
+ {
+ if (show_progress)
+ yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
+ pr_fname, (long) recordOffset);
+ zh->records_deleted++;
+ if (matchStr)
+ dict_delete (zh->reg->matchDict, matchStr);
+ rec_del (zh->reg->records, &rec);
+ }
+ rec_rm (&rec);
+ logRecord(zh);
+ return ZEBRA_OK;
+ }
+ else
+ {
+ if (show_progress)
+ yaz_log (YLOG_LOG, "update %s %s %ld", recordType,
+ pr_fname, (long) recordOffset);
+ recordAttr->staticrank = extractCtrl.staticrank;
+#if NATTR
+ extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys);
+#else
+ extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
+#endif
+ extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys,
+ recordAttr->staticrank);
+ zh->records_updated++;
+ }
+ zebra_rec_keys_close(delkeys);
+#if NATTR
+ zebra_rec_keys_close(sortKeys);
+#endif
+ }
+ /* update file type */
+ xfree (rec->info[recInfo_fileType]);
+ rec->info[recInfo_fileType] =
+ rec_strdup (recordType, &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]);
+
+#if NATTR
+ zebra_rec_keys_get_buf(zh->reg->sortKeys,
+ &rec->info[recInfo_sortKeys],
+ &rec->size[recInfo_sortKeys]);
+#else
+ rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
+ rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
+ zh->reg->sortKeys.buf = NULL;
+ zh->reg->sortKeys.buf_max = 0;
+#endif
+
+ /* 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);
+
+ /* set run-number for this record */
+ recordAttr->runNumber =
+ zebraExplain_runNumberIncrement (zh->reg->zei, 0);
+
+ /* update store data */
+ xfree (rec->info[recInfo_storeData]);
+
+ /* update store data */
+ 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);
+ memcpy (rec->info[recInfo_storeData], buf, recordAttr->recordSize);
+ }
+ 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;
+}
+
+int explain_extract (void *handle, Record rec, data1_node *n)
+{
+ ZebraHandle zh = (ZebraHandle) handle;
+ struct recExtractCtrl extractCtrl;
+
+ if (zebraExplain_curDatabase (zh->reg->zei,
+ rec->info[recInfo_databaseName]))
+ {
+ abort();
+ if (zebraExplain_newDatabase (zh->reg->zei,
+ rec->info[recInfo_databaseName], 0))
+ abort ();
+ }
+
+ zebra_rec_keys_reset(zh->reg->keys);
+
+#if NATTR
+ zebra_rec_keys_reset(zh->reg->sortKeys);
+#else
+ zh->reg->sortKeys.buf_used = 0;
+#endif
+ extractCtrl.init = extract_init;
+ extractCtrl.tokenAdd = extract_token_add;
+ extractCtrl.schemaAdd = extract_schema_add;
+ extractCtrl.dh = zh->reg->dh;
+
+ init_extractCtrl(zh, &extractCtrl);
+
+ extractCtrl.flagShowRecords = 0;
+ extractCtrl.match_criteria[0] = '\0';
+ extractCtrl.staticrank = 0;
+ extractCtrl.handle = handle;
+ extractCtrl.first_record = 1;
+
+ extract_set_store_data_prepare(&extractCtrl);
+
+ if (n)
+ grs_extract_tree(&extractCtrl, n);
+
+ if (rec->size[recInfo_delKeys])
+ {
+ zebra_rec_keys_t delkeys = zebra_rec_keys_open();
+
+#if NATTR
+ zebra_rec_keys_t sortkeys = zebra_rec_keys_open();
+#else
+ struct sortKeys sortkeys;
+#endif
+
+ zebra_rec_keys_set_buf(delkeys, rec->info[recInfo_delKeys],
+ rec->size[recInfo_delKeys],
+ 0);
+ extract_flushRecordKeys (zh, rec->sysno, 0, delkeys, 0);
+ zebra_rec_keys_close(delkeys);
+#if NATTR
+ zebra_rec_keys_set_buf(sortkeys, rec->info[recInfo_sortKeys],
+ rec->size[recInfo_sortKeys],
+ 0);
+
+ extract_flushSortKeys (zh, rec->sysno, 0, sortkeys);
+ zebra_rec_keys_close(sortkeys);
+#else
+ sortkeys.buf_used = rec->size[recInfo_sortKeys];
+ sortkeys.buf = rec->info[recInfo_sortKeys];
+ extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys);
+#endif
+ }
+ extract_flushRecordKeys (zh, rec->sysno, 1, zh->reg->keys, 0);
+#if NATTR
+ extract_flushSortKeys (zh, rec->sysno, 1, zh->reg->sortKeys);
+#else
+ extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys);
+#endif
+
+ xfree (rec->info[recInfo_delKeys]);
+ zebra_rec_keys_get_buf(zh->reg->keys,
+ &rec->info[recInfo_delKeys],
+ &rec->size[recInfo_delKeys]);
+
+ xfree (rec->info[recInfo_sortKeys]);
+#if NATTR
+ zebra_rec_keys_get_buf(zh->reg->sortKeys,
+ &rec->info[recInfo_sortKeys],
+ &rec->size[recInfo_sortKeys]);
+#else
+ rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
+ rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
+ zh->reg->sortKeys.buf = NULL;
+ zh->reg->sortKeys.buf_max = 0;
+#endif
+
+ return 0;
+}
+
+void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
+ int cmd,
+ zebra_rec_keys_t reckeys,
+ zint staticrank)
+{
+ ZebraExplainInfo zei = zh->reg->zei;
+
+ if (!zh->reg->key_buf)
+ {
+ int mem= 1024*1024* atoi( res_get_def( zh->res, "memmax", "8"));
+ if (mem <= 0)
+ {
+ yaz_log(YLOG_WARN, "Invalid memory setting, using default 8 MB");
+ mem= 1024*1024*8;
+ }
+ /* FIXME: That "8" should be in a default settings include */
+ /* not hard-coded here! -H */
+ zh->reg->key_buf = (char**) xmalloc (mem);
+ zh->reg->ptr_top = mem/sizeof(char*);
+ zh->reg->ptr_i = 0;
+ zh->reg->key_buf_used = 0;
+ zh->reg->key_file_no = 0;
+ }
+ zebraExplain_recordCountIncrement (zei, cmd ? 1 : -1);
+
+ if (zebra_rec_keys_rewind(reckeys))
+ {
+ size_t slen;
+ const char *str;
+ struct it_key key_in;
+ while(zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
+ {
+ int ch = 0;
+ struct it_key key_out;
+ zint *keyp = key_out.mem;
+
+ assert(key_in.len == 4);
+
+ /* check for buffer overflow */
+ if (zh->reg->key_buf_used + 1024 >
+ (zh->reg->ptr_top -zh->reg->ptr_i)*sizeof(char*))
+ extract_flushWriteKeys (zh, 0);
+
+ ++(zh->reg->ptr_i);
+ assert(zh->reg->ptr_i > 0);
+ (zh->reg->key_buf)[zh->reg->ptr_top - zh->reg->ptr_i] =
+ (char*)zh->reg->key_buf + zh->reg->key_buf_used;
+
+ /* encode the ordinal value (field/use/attribute) .. */
+ ch = (int) key_in.mem[0];
+ zh->reg->key_buf_used +=
+ key_SU_encode(ch, (char*)zh->reg->key_buf +
+ zh->reg->key_buf_used);
+
+ /* copy the 0-terminated stuff from str to output */
+ memcpy((char*)zh->reg->key_buf + zh->reg->key_buf_used, str, slen);
+ zh->reg->key_buf_used += slen;
+ ((char*)zh->reg->key_buf)[(zh->reg->key_buf_used)++] = '\0';
+
+ /* the delete/insert indicator */
+ ((char*)zh->reg->key_buf)[(zh->reg->key_buf_used)++] = cmd;
+
+ if (zh->m_staticrank) /* rank config enabled ? */
+ {
+ *keyp++ = staticrank;
+ key_out.len = 4;
+ }
+ else
+ key_out.len = 3;
+
+ if (key_in.mem[1]) /* filter specified record ID */
+ *keyp++ = key_in.mem[1];
+ else
+ *keyp++ = sysno;
+ *keyp++ = key_in.mem[2]; /* section_id */
+ *keyp++ = key_in.mem[3]; /* sequence .. */
+
+ memcpy((char*)zh->reg->key_buf + zh->reg->key_buf_used,
+ &key_out, sizeof(key_out));
+ (zh->reg->key_buf_used) += sizeof(key_out);
+ }
+ }
+}
+
+void extract_flushWriteKeys (ZebraHandle zh, int final)
+ /* optimizing: if final=1, and no files written yet */
+ /* push the keys directly to merge, sidestepping the */
+ /* temp file altogether. Speeds small updates */
+{
+ FILE *outf;
+ char out_fname[200];
+ char *prevcp, *cp;
+ struct encode_info encode_info;
+ int ptr_i = zh->reg->ptr_i;
+ int temp_policy;
+#if SORT_EXTRA
+ int i;
+#endif
+ if (!zh->reg->key_buf || ptr_i <= 0)
+ {
+ yaz_log (YLOG_DEBUG, " 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",
+ 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,
+ sizeof(char*), key_qsort_compare);
+
+ /* zebra.cfg: tempfiles:
+ Y: always use temp files (old way)
+ A: use temp files, if more than one (auto)
+ = if this is both the last and the first
+ N: never bother with temp files (new) */
+
+ temp_policy=toupper(res_get_def(zh->res,"tempfiles","auto")[0]);
+ if (temp_policy != 'Y' && temp_policy != 'N' && temp_policy != 'A') {
+ yaz_log (YLOG_WARN, "Illegal tempfiles setting '%c'. using 'Auto' ",
+ temp_policy);
+ temp_policy='A';
+ }
+
+ if ( ( temp_policy =='N' ) || /* always from memory */
+ ( ( temp_policy =='A' ) && /* automatic */
+ (zh->reg->key_file_no == 1) && /* this is first time */
+ (final) ) ) /* and last (=only) time */
+ { /* go directly from memory */
+ zh->reg->key_file_no =0; /* signal not to read files */
+ zebra_index_merge(zh);
+ zh->reg->ptr_i = 0;
+ zh->reg->key_buf_used = 0;
+ return;
+ }
+
+ /* Not doing directly from memory, write into a temp file */
+ extract_get_fname_tmp (zh, out_fname, zh->reg->key_file_no);
+
+ if (!(outf = fopen (out_fname, "wb")))
+ {
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "fopen %s", out_fname);
+ exit (1);
+ }
+ yaz_log (YLOG_LOG, "writing section %d", zh->reg->key_file_no);
+ prevcp = cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
+
+ encode_key_init (&encode_info);
+ encode_key_write (cp, &encode_info, outf);
+
+ while (--ptr_i > 0)
+ {
+ cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
+ if (strcmp (cp, prevcp))
+ {
+ encode_key_flush ( &encode_info, outf);
+ encode_key_init (&encode_info);
+ encode_key_write (cp, &encode_info, outf);
+ prevcp = cp;
+ }
+ else
+ encode_key_write (cp + strlen(cp), &encode_info, outf);
+ }
+ encode_key_flush ( &encode_info, outf);
+#else
+ qsort (key_buf + ptr_top-ptr_i, ptr_i, sizeof(char*), key_x_compare);
+ extract_get_fname_tmp (out_fname, key_file_no);
+
+ if (!(outf = fopen (out_fname, "wb")))
+ {
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "fopen %s", out_fname);
+ exit (1);
+ }
+ yaz_log (YLOG_LOG, "writing section %d", key_file_no);
+ i = ptr_i;
+ prevcp = key_buf[ptr_top-i];
+ while (1)
+ if (!--i || strcmp (prevcp, key_buf[ptr_top-i]))
+ {
+ key_y_len = strlen(prevcp)+1;
+#if 0
+ yaz_log (YLOG_LOG, "key_y_len: %2d %02x %02x %s",
+ key_y_len, prevcp[0], prevcp[1], 2+prevcp);
+#endif
+ qsort (key_buf + ptr_top-ptr_i, ptr_i - i,
+ sizeof(char*), key_y_compare);
+ cp = key_buf[ptr_top-ptr_i];
+ --key_y_len;
+ encode_key_init (&encode_info);
+ encode_key_write (cp, &encode_info, outf);
+ while (--ptr_i > i)
+ {
+ cp = key_buf[ptr_top-ptr_i];
+ encode_key_write (cp+key_y_len, &encode_info, outf);
+ }
+ encode_key_flush ( &encode_info, outf);
+ if (!i)
+ break;
+ prevcp = key_buf[ptr_top-ptr_i];
+ }
+#endif
+ if (fclose (outf))
+ {
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "fclose %s", out_fname);
+ exit (1);
+ }
+ yaz_log (YLOG_LOG, "finished section %d", zh->reg->key_file_no);
+ zh->reg->ptr_i = 0;
+ zh->reg->key_buf_used = 0;
+}
+
+ZEBRA_RES zebra_snippets_rec_keys(ZebraHandle zh,
+ zebra_rec_keys_t reckeys,
+ zebra_snippets *snippets)
+{
+ NMEM nmem = nmem_create();
+ if (zebra_rec_keys_rewind(reckeys))
+ {
+ const char *str;
+ size_t slen;
+ struct it_key key;
+ while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
+ {
+ char dst_buf[IT_MAX_WORD];
+ char *dst_term = dst_buf;
+ int ord, seqno;
+ int index_type;
+ assert(key.len <= 4 && key.len > 2);
+ seqno = (int) key.mem[key.len-1];
+ ord = key.mem[0];
+
+ zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type,
+ 0/* db */, 0/* set */, 0/* use */);
+ assert(index_type);
+ zebra_term_untrans_iconv(zh, nmem, index_type,
+ &dst_term, str);
+ zebra_snippets_append(snippets, seqno, ord, dst_term);
+ nmem_reset(nmem);
+ }
+ }
+ nmem_destroy(nmem);
+ return ZEBRA_OK;
+}
+
+void print_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys)
+{
+ yaz_log(YLOG_LOG, "print_rec_keys");
+ if (zebra_rec_keys_rewind(reckeys))
+ {
+ const char *str;
+ size_t slen;
+ struct it_key key;
+ while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
+ {
+ char dst_buf[IT_MAX_WORD];
+ int seqno;
+ int index_type;
+ const char *db = 0;
+ assert(key.len <= 4 && key.len > 2);
+
+ zebraExplain_lookup_ord(zh->reg->zei,
+ key.mem[0], &index_type, &db, 0, 0);
+
+ seqno = (int) 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);
+ }
+ }
+}
+
+void extract_add_index_string (RecWord *p, 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)
+ {
+ ch = zebraExplain_lookup_attr_str(zei, p->index_type, p->index_name);
+ if (ch < 0)
+ ch = zebraExplain_add_attr_str(zei, p->index_type, p->index_name);
+ }
+ else
+ {
+#if NATTR
+ return;
+#else
+ ch = zebraExplain_lookup_attr_su(zei, p->index_type,
+ p->attrSet, p->attrUse);
+ if (ch < 0)
+ ch = zebraExplain_add_attr_su(zei, p->index_type,
+ p->attrSet, p->attrUse);
+#endif
+ }
+ key.len = 4;
+ 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->keys, str, length, &key);
+}
+
+#if NATTR
+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;
+
+ if (p->index_name)
+ {
+ ch = zebraExplain_lookup_attr_str(zei, p->index_type, p->index_name);
+ if (ch < 0)
+ ch = zebraExplain_add_attr_str(zei, p->index_type, p->index_name);
+ }
+ else
+ {
+ return;
+ }
+ key.len = 4;
+ key.mem[0] = ch;
+ key.mem[1] = p->record_id;
+ key.mem[2] = p->section_id;
+ key.mem[3] = p->seqno;
+
+ zebra_rec_keys_write(zh->reg->sortKeys, str, length, &key);
+}
+#else
+static void extract_add_sort_string (RecWord *p, const char *str, int length)
+{
+ ZebraHandle zh = p->extractCtrl->handle;
+ struct sortKeys *sk = &zh->reg->sortKeys;
+ int off = 0;
+
+ while (off < sk->buf_used)
+ {
+ int set, use, slen;
+
+ off += key_SU_decode(&set, (unsigned char *) sk->buf + off);
+ off += key_SU_decode(&use, (unsigned char *) sk->buf + off);
+ off += key_SU_decode(&slen, (unsigned char *) sk->buf + off);
+ off += slen;
+ if (p->attrSet == set && p->attrUse == use)
+ return;
+ }
+ assert (off == sk->buf_used);
- file_info = dict_lookup (file_idx, kname);
- if (!file_info)
+ if (sk->buf_used + IT_MAX_WORD > sk->buf_max)
+ {
+ char *b;
+
+ b = (char *) xmalloc (sk->buf_max += 128000);
+ if (sk->buf_used > 0)
+ memcpy (b, sk->buf, sk->buf_used);
+ xfree (sk->buf);
+ sk->buf = b;
+ }
+ off += key_SU_encode(p->attrSet, sk->buf + off);
+ off += key_SU_encode(p->attrUse, sk->buf + off);
+ off += key_SU_encode(length, sk->buf + off);
+ memcpy (sk->buf + off, str, length);
+ sk->buf_used = off + length;
+}
+#endif
+
+void extract_add_string (RecWord *p, const char *string, int length)
+{
+ assert (length > 0);
+ if (zebra_maps_is_sort (p->zebra_maps, p->index_type))
+ extract_add_sort_string (p, string, length);
+ else
+ extract_add_index_string (p, string, length);
+}
+
+static void extract_add_incomplete_field (RecWord *p)
+{
+ 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);
+
+ while (map)
{
- sysno = sysno_next++;
- dict_insert (file_idx, kname, sizeof(sysno), &sysno);
- lseek (sys_idx_fd, sysno * SYS_IDX_ENTRY_LEN, SEEK_SET);
- write (sys_idx_fd, kname, strlen(kname)+1);
+ char buf[IT_MAX_WORD+1];
+ int i, remain;
+
+ /* Skip spaces */
+ while (map && *map && **map == *CHR_SPACE)
+ {
+ remain = p->term_len - (b - p->term_buf);
+ if (remain > 0)
+ map = zebra_maps_input(p->zebra_maps, p->index_type, &b,
+ remain, 0);
+ else
+ map = 0;
+ }
+ if (!map)
+ break;
+ i = 0;
+ while (map && *map && **map != *CHR_SPACE)
+ {
+ const char *cp = *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, remain, 0);
+ else
+ map = 0;
+ }
+ if (!i)
+ return;
+ extract_add_string (p, buf, i);
+ p->seqno++;
+ }
+}
+
+static void extract_add_complete_field (RecWord *p)
+{
+ 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);
+
+ while (remain > 0 && i < IT_MAX_WORD)
+ {
+ while (map && *map && **map == *CHR_SPACE)
+ {
+ remain = p->term_len - (b - p->term_buf);
+
+ if (remain > 0)
+ {
+ int first = i ? 0 : 1; /* first position */
+ map = zebra_maps_input(p->zebra_maps, p->index_type, &b, remain, first);
+ }
+ else
+ map = 0;
+ }
+ if (!map)
+ break;
+
+ if (i && i < IT_MAX_WORD)
+ buf[i++] = *CHR_SPACE;
+ while (map && *map && **map != *CHR_SPACE)
+ {
+ const char *cp = *map;
+
+ if (**map == *CHR_CUT)
+ {
+ i = 0;
+ }
+ else
+ {
+ 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,
+ remain, 0);
+ }
+ else
+ map = 0;
+ }
}
+ if (!i)
+ return;
+ extract_add_string (p, buf, i);
+}
+
+void extract_token_add (RecWord *p)
+{
+ 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,
+ 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))
+ extract_add_complete_field (p);
else
- memcpy (&sysno, (char*) file_info+1, sizeof(sysno));
- t = strtab_mk ();
- if (!strcmp (file_type, "text"))
- text_extract (t, sysno, cmd, fname);
- strtab_del (t, key_rec_flush, &cmd);
+ extract_add_incomplete_field(p);
+}
+
+static void extract_set_store_data_cb(struct recExtractCtrl *p,
+ void *buf, size_t sz)
+{
+ ZebraHandle zh = (ZebraHandle) p->handle;
+
+ xfree(zh->store_data_buf);
+ zh->store_data_buf = 0;
+ zh->store_data_size = 0;
+ if (buf && sz)
+ {
+ zh->store_data_buf = xmalloc(sz);
+ zh->store_data_size = sz;
+ memcpy(zh->store_data_buf, buf, sz);
+ }
+}
+
+static void extract_set_store_data_prepare(struct recExtractCtrl *p)
+{
+ ZebraHandle zh = (ZebraHandle) p->handle;
+ xfree(zh->store_data_buf);
+ zh->store_data_buf = 0;
+ zh->store_data_size = 0;
+ p->setStoreData = extract_set_store_data_cb;
+}
+
+void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
+{
+ ZebraHandle zh = (ZebraHandle) p->handle;
+ zebraExplain_addSchema (zh->reg->zei, oid);
}
+#if NATTR
+#error not done yet with zebra_rec_keys_t
+void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
+ int cmd, struct recKeys *reckeys)
+{
+ SortIdx sortIdx = zh->reg->sortIdx;
+ void *decode_handle = iscz1_start();
+ int off = 0;
+ int ch = 0;
+
+ while (off < reckeys->buf_used)
+ {
+ const char *src = reckeys->buf + off;
+ struct it_key key;
+ char *dst = (char*) &key;
+
+ iscz1_decode(decode_handle, &dst, &src);
+ assert(key.len == 4);
+
+ ch = (int) key.mem[0]; /* ordinal for field/use/attribute */
+
+ sortIdx_type(sortIdx, ch);
+ if (cmd == 1)
+ sortIdx_add(sortIdx, src, strlen(src));
+ else
+ sortIdx_add(sortIdx, "", 1);
+
+ src += strlen(src);
+ src++;
+
+ off = src - reckeys->buf;
+ }
+ assert (off == reckeys->buf_used);
+ iscz1_stop(decode_handle);
+}
+#else
+void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
+ int cmd, struct sortKeys *sk)
+{
+ SortIdx sortIdx = zh->reg->sortIdx;
+ int off = 0;
+
+ sortIdx_sysno (sortIdx, sysno);
+
+ while (off < sk->buf_used)
+ {
+ int set, use, slen;
+
+ off += key_SU_decode(&set, (unsigned char *) sk->buf + off);
+ off += key_SU_decode(&use, (unsigned char *) sk->buf + off);
+ off += key_SU_decode(&slen, (unsigned char *) sk->buf + off);
+
+ sortIdx_type(sortIdx, use);
+ if (cmd == 1)
+ sortIdx_add(sortIdx, sk->buf + off, slen);
+ else
+ sortIdx_add(sortIdx, "", 1);
+ off += slen;
+ }
+}
+#endif
+
+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();
+}
+
+#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)
+{
+ struct it_key key;
+ char *bp = i->buf, *bp0;
+ const char *src = (char *) &key;
+
+ /* copy term to output buf */
+ while ((*bp++ = *k++))
+ ;
+ /* and copy & align key so we can mangle */
+ memcpy (&key, k+1, sizeof(struct it_key)); /* *k is insert/delete */
+
+ bp0 = bp++;
+ iscz1_encode(i->encode_handle, &bp, &src);
+ *bp0 = (*k * 128) + bp - bp0 - 1; /* length and insert/delete combined */
+ if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
+ {
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite");
+ exit (1);
+ }
+}
+
+void encode_key_flush (struct encode_info *i, FILE *outf)
+{ /* dummy routine */
+ iscz1_stop(i->encode_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
projects / idzebra-moved-to-github.git / blobdiff