X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fextract.c;h=2e0daea65eddafc55b7bccf267bc651ba42f3565;hb=5437b50633032595afe6f87dc0f989bc92a5aea8;hp=dac98203ea3585586398548eef70d88e7966f579;hpb=aebdede4bcc1dfe05728dac36b51a1cda85cc70e;p=idzebra-moved-to-github.git diff --git a/index/extract.c b/index/extract.c index dac9820..5c17db5 100644 --- a/index/extract.c +++ b/index/extract.c @@ -1,228 +1,1799 @@ -/* - * Copyright (C) 1994-1995, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: extract.c,v $ - * Revision 1.9 1995-09-27 12:22:28 adam - * More work on extract in record control. - * Field name is not in isam keys but in prefix in dictionary words. - * - * Revision 1.8 1995/09/14 07:48:22 adam - * Record control management. - * - * Revision 1.7 1995/09/11 13:09:32 adam - * More work on relevance feedback. - * - * 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 1.166 2004-11-19 10:26:56 heikki Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004 + 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 #include +#include +#ifdef WIN32 +#include +#else #include +#endif #include -#include -#include -#include #include "index.h" +#include +#include -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, key_buf_size; -static int key_cmd; -static int key_sysno; +#if _FILE_OFFSET_BITS == 64 +#define PRINTF_OFF_T "%Ld" +#else +#define PRINTF_OFF_T "%ld" +#endif -void key_open (const char *fname) +#define USE_SHELLSORT 0 + +#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) + 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, "open %s", fname); - 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); } - logf (LOG_DEBUG, "key_open of %s", fname); - key_buf_size = 49100; - key_buf = xmalloc (key_buf_size); - key_offset = 0; - if (!(file_idx = dict_open (FNAME_FILE_DICT, 40, 1))) +} + +static void extract_init (struct recExtractCtrl *p, RecWord *w) +{ + w->zebra_maps = p->zebra_maps; + w->seqno = 1; + w->attrSet = VAL_BIB1; + w->attrUse = 1016; + w->reg_type = 'w'; + w->extractCtrl = p; +} + +static const char **searchRecordKey (ZebraHandle zh, + struct recKeys *reckeys, + int attrSetS, int attrUseS) +{ + static const char *ws[32]; + void *decode_handle = iscz1_start(); + int off = 0; + int startSeq = -1; + int seqno = 0; + int i; + + for (i = 0; i<32; i++) + ws[i] = NULL; + + while (off < reckeys->buf_used) { - logf (LOG_FATAL, "dict_open fail of %s", "fileidx"); - exit (1); + const char *src = reckeys->buf + off; + struct it_key key; + char *dst = (char*) &key; + int attrSet, attrUse; + + iscz1_decode(decode_handle, &dst, &src); + assert(key.len < 4 && key.len > 2); + + attrSet = (int) key.mem[0]; + attrUse = (int) key.mem[1]; + seqno = (int) key.mem[2]; + + if (attrUseS == attrUse && attrSetS == attrSet) + { + int woff; + + if (startSeq == -1) + startSeq = seqno; + woff = seqno - startSeq; + if (woff >= 0 && woff < 31) + ws[woff] = src; + } + + while (*src++) + ; + off = src - reckeys->buf; + } + iscz1_stop(decode_handle); + assert (off == reckeys->buf_used); + return ws; +} + +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; + char *sdrbuf; + int sdrmax; +}; + +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->sdrbuf = 0; + fi->sdrmax = 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; + if (p->sdrbuf) + return 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; + if (p->sdrbuf) + { + r = count; + if (r > p->sdrmax - p->file_offset) + r = p->sdrmax - p->file_offset; + if (r) + memcpy (buf, p->sdrbuf + p->file_offset, r); } - 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) + 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_begin (void *handle) { - if (key_fd == -1) - { - logf (LOG_DEBUG, "key_close - but no file"); - return 0; - } - close (key_fd); - close (sys_idx_fd); - dict_insert (file_idx, ".", sizeof(sysno_next), &sysno_next); - dict_close (file_idx); - key_fd = -1; - xfree (key_buf); - return 1; + struct file_read_info *p = (struct file_read_info *) handle; + + p->file_offset = p->file_moffset; + if (!p->sdrbuf && p->file_moffset) + lseek (p->fd, p->file_moffset, SEEK_SET); + p->file_more = 0; +} + +static void file_end (void *handle, off_t offset) +{ + struct file_read_info *p = (struct file_read_info *) handle; + + assert (p->file_more == 0); + p->file_more = 1; + p->file_moffset = offset; } -void wordFlush (int sysno) +static char *fileMatchStr (ZebraHandle zh, + struct recKeys *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; + static const char **w; - 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); + 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); + } + w = searchRecordKey (zh, reckeys, attSet, attUse); + assert (w); + + 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] && w[i]) + { + if (first) + { + *dst++ = ' '; + first = 0; + } + strcpy (dst, w[i]); + dst += strlen(w[i]); + } + if (first) + { + yaz_log (YLOG_WARN, "Record didn't contain match" + " fields in (%s,%s)", attset_str, attname_str); + return NULL; + } } - i += w; + 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); + } + 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; } -static void wordInit (RecWord *p) +struct recordLogInfo { + const char *fname; + int recordOffset; + struct recordGroup *rGroup; +}; + +void create_rec_keys_codec(struct recKeys *keys) { - p->attrSet = 1; - p->attrUse = 1; - p->which = Word_String; + keys->buf_used = 0; + iscz1_reset(keys->codec_handle); } - -static void wordAdd (const RecWord *p) + +static int file_extract_record(ZebraHandle zh, + SYSNO *sysno, const char *fname, + int deleteFlag, + struct file_read_info *fi, + int force_update) { - struct it_key key; - char x; - size_t i; - char wordPrefix[8]; + RecordAttr *recordAttr; + int r; + const char *matchStr; + SYSNO sysnotmp; + Record rec; + off_t recordOffset = 0; + RecType recType; + void *clientData; + + if (!(recType = + recType_byName (zh->reg->recTypes, zh->res, zh->m_record_type, + &clientData))) + { + yaz_log (YLOG_WARN, "No such record type: %s", zh->m_record_type); + return 0; + } - if (key_offset + 1000 > key_buf_size) + /* announce database */ + if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0])) { - char *new_key_buf; + if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0], + zh->m_explain_database)) + return 0; + } + + if (fi->fd != -1) + { + struct recExtractCtrl extractCtrl; + + /* we are going to read from a file, so prepare the extraction */ + int i; + + create_rec_keys_codec(&zh->reg->keys); + + zh->reg->sortKeys.buf_used = 0; + + recordOffset = fi->file_moffset; + 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.handle = zh; + for (i = 0; i<256; i++) + { + if (zebra_maps_is_positioned(zh->reg->zebra_maps, i)) + extractCtrl.seqno[i] = 1; + else + extractCtrl.seqno[i] = 0; + } + extractCtrl.zebra_maps = zh->reg->zebra_maps; + extractCtrl.flagShowRecords = !zh->m_flag_rw; + + 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)(clientData, &extractCtrl); - key_buf_size *= 2; - new_key_buf = xmalloc (2*key_buf_size); - memcpy (new_key_buf, key_buf, key_offset); - xfree (key_buf); - key_buf = new_key_buf; + 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 (zh->reg->keys.buf_used == 0) + { + /* 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; + } } - sprintf (wordPrefix, "%c%04d", p->attrSet + '0', p->attrUse); - strcpy (key_buf + key_offset, wordPrefix); - key_offset += strlen (wordPrefix); - switch (p->which) + + /* perform match if sysno not known and if match criteria is specified */ + + matchStr = NULL; + if (!sysno) { - case Word_String: - for (i = 0; p->u.string[i]; i++) - key_buf[key_offset++] = index_char_cvt (p->u.string[i]); - key_buf[key_offset++] = '\0'; - break; - default: - return ; + sysnotmp = 0; + sysno = &sysnotmp; + if (zh->m_record_id && *zh->m_record_id) + { + char *rinfo; + + matchStr = fileMatchStr (zh, &zh->reg->keys, fname, + zh->m_record_id); + if (matchStr) + { + rinfo = dict_lookup (zh->reg->matchDict, matchStr); + if (rinfo) + { + assert(*rinfo == sizeof(*sysno)); + memcpy (sysno, rinfo+1, sizeof(*sysno)); + } + } + else + { + yaz_log (YLOG_WARN, "Bad match criteria"); + return 0; + } + } } - x = (key_cmd == 'a') ? 1 : 0; - memcpy (key_buf + key_offset, &x, 1); - key_offset++; - key.sysno = key_sysno; - key.seqno = p->seqno; - memcpy (key_buf + key_offset, &key, sizeof(key)); - key_offset += sizeof(key); + 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 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); + + if (matchStr) + { + dict_insert (zh->reg->matchDict, matchStr, sizeof(*sysno), sysno); + } + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); + extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys); + + zh->records_inserted++; + } + else + { + /* record already exists */ + struct recKeys delkeys; + struct sortKeys sortKeys; + + rec = rec_get (zh->reg->records, *sysno); + assert (rec); + + recordAttr = rec_init_attr (zh->reg->zei, rec); + + if (!force_update && recordAttr->runNumber == + zebraExplain_runNumberIncrement (zh->reg->zei, 0)) + { + yaz_log (YLOG_LOG, "run number = %d", recordAttr->runNumber); + yaz_log (YLOG_LOG, "skipped %s %s " PRINTF_OFF_T, + zh->m_record_type, fname, recordOffset); + extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys); + rec_rm (&rec); + logRecord (zh); + return 1; + } + delkeys.buf_used = rec->size[recInfo_delKeys]; + delkeys.buf = rec->info[recInfo_delKeys]; + + sortKeys.buf_used = rec->size[recInfo_sortKeys]; + sortKeys.buf = rec->info[recInfo_sortKeys]; + + extract_flushSortKeys (zh, *sysno, 0, &sortKeys); + extract_flushRecordKeys (zh, *sysno, 0, &delkeys); + if (deleteFlag) + { + /* record going to be deleted */ + if (!delkeys.buf_used) + { + 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"); + } + 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; + } + else + { + /* record going to be updated */ + if (!delkeys.buf_used) + { + yaz_log (YLOG_LOG, "update %s %s " PRINTF_OFF_T, + zh->m_record_type, fname, recordOffset); + yaz_log (YLOG_WARN, "cannot update file above, storeKeys false"); + } + else + { + 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); + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); + extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys); + zh->records_updated++; + } + } + } + /* 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 (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1) + { + rec->size[recInfo_delKeys] = zh->reg->keys.buf_used; + rec->info[recInfo_delKeys] = zh->reg->keys.buf; + zh->reg->keys.buf = NULL; + zh->reg->keys.buf_max = 0; + } + else + { + rec->info[recInfo_delKeys] = NULL; + rec->size[recInfo_delKeys] = 0; + } + + /* update sort keys */ + xfree (rec->info[recInfo_sortKeys]); + + 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; + + /* 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->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; - FILE *inf; - struct recExtractCtrl extractCtrl; - RecType rt; + struct file_read_info *fi; + const char *original_record_type = 0; - logf (LOG_DEBUG, "%c %s k=%s", cmd, fname, kname); + if (!zh->m_group || !*zh->m_group) + *gprefix = '\0'; + else + sprintf (gprefix, "%s.", zh->m_group); + + yaz_log (YLOG_DEBUG, "fileExtract %s", fname); + + /* 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))) - return; + /* 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 (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 + { + file_begin (fi); + r = file_extract_record (zh, sysno, fname, deleteFlag, fi, 1); + } while (r && !sysno && fi->file_more); + 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 + + */ +int 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) +{ + RecordAttr *recordAttr; + struct recExtractCtrl extractCtrl; + int i, 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 .. */ + + if (!pr_fname) + pr_fname = ""; /* 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.fh = &fc; + + create_rec_keys_codec(&zh->reg->keys); + + zh->reg->sortKeys.buf_used = 0; + + 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 (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 0; + } + 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; + } - file_info = dict_lookup (file_idx, kname); - if (!file_info) + if (!recType) { + yaz_log (YLOG_WARN, "No such record type: %s", zh->m_record_type); + return 0; + } + + extractCtrl.init = extract_init; + extractCtrl.tokenAdd = extract_token_add; + extractCtrl.schemaAdd = extract_schema_add; + extractCtrl.dh = zh->reg->dh; + extractCtrl.handle = zh; + extractCtrl.zebra_maps = zh->reg->zebra_maps; + extractCtrl.flagShowRecords = 0; + for (i = 0; i<256; i++) + { + if (zebra_maps_is_positioned(zh->reg->zebra_maps, i)) + extractCtrl.seqno[i] = 1; + else + extractCtrl.seqno[i] = 0; + } + + r = (*recType->extract)(clientData, &extractCtrl); + + if (r == RECCTRL_EXTRACT_EOF) + return 0; + else if (r == RECCTRL_EXTRACT_ERROR_GENERIC) + { + /* error occured during extraction ... */ + yaz_log (YLOG_WARN, "extract error: generic"); + return 0; + } + else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER) { - 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); + /* error occured during extraction ... */ + yaz_log (YLOG_WARN, "extract error: no such filter"); + return 0; } + if (zh->reg->keys.buf_used == 0) + { + /* the extraction process returned no information - the record + is probably empty - unless flagShowRecords is in use */ + if (test_mode) + return 1; + yaz_log (YLOG_WARN, "No keys generated for record"); + yaz_log (YLOG_WARN, " The file is probably empty"); + return 1; + } + /* match criteria */ + matchStr = NULL; + + if (! *sysno) { + char *rinfo; + 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 1; + } + } + } + if (matchStr) { + rinfo = dict_lookup (zh->reg->matchDict, matchStr); + if (rinfo) + { + assert(*rinfo == sizeof(*sysno)); + memcpy (sysno, rinfo+1, sizeof(*sysno)); + } + } + } + + 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 1; + } + 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); + + if (matchStr) + { + dict_insert (zh->reg->matchDict, matchStr, + sizeof(*sysno), sysno); + } + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); + extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys); + + zh->records_inserted++; + } else - memcpy (&sysno, (char*) file_info+1, sizeof(sysno)); + { + /* record already exists */ + struct recKeys delkeys; + struct sortKeys sortKeys; - if (!(inf = fopen (fname, "r"))) + if (!allow_update) { + yaz_log (YLOG_LOG, "skipped %s %s %ld", + recordType, pr_fname, (long) recordOffset); + logRecord(zh); + return -1; + } + + rec = rec_get (zh->reg->records, *sysno); + assert (rec); + + recordAttr = rec_init_attr (zh->reg->zei, rec); + + if (!force_update) { + if (recordAttr->runNumber == + zebraExplain_runNumberIncrement (zh->reg->zei, 0)) + { + yaz_log (YLOG_LOG, "skipped %s %s %ld", recordType, + pr_fname, (long) recordOffset); + extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys); + rec_rm (&rec); + logRecord(zh); + return -1; + } + } + + delkeys.buf_used = rec->size[recInfo_delKeys]; + delkeys.buf = rec->info[recInfo_delKeys]; + + sortKeys.buf_used = rec->size[recInfo_sortKeys]; + sortKeys.buf = rec->info[recInfo_sortKeys]; + + extract_flushSortKeys (zh, *sysno, 0, &sortKeys); + extract_flushRecordKeys (zh, *sysno, 0, &delkeys); + if (delete_flag) + { + /* record going to be deleted */ + if (!delkeys.buf_used) + { + yaz_log (YLOG_LOG, "delete %s %s %ld", recordType, + pr_fname, (long) recordOffset); + yaz_log (YLOG_WARN, "cannot delete file above, storeKeys false"); + } + else + { + 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 0; + } + else + { + /* record going to be updated */ + if (!delkeys.buf_used) + { + yaz_log (YLOG_LOG, "update %s %s %ld", recordType, + pr_fname, (long) recordOffset); + yaz_log (YLOG_WARN, "cannot update file above, storeKeys false"); + } + else + { + yaz_log (YLOG_LOG, "update %s %s %ld", recordType, + pr_fname, (long) recordOffset); + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); + extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys); + zh->records_updated++; + } + } + } + /* 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 (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1) { - logf (LOG_WARN|LOG_ERRNO, "open %s", fname); - return; + rec->size[recInfo_delKeys] = zh->reg->keys.buf_used; + rec->info[recInfo_delKeys] = zh->reg->keys.buf; + zh->reg->keys.buf = NULL; + zh->reg->keys.buf_max = 0; } - if (!(rt = recType_byName (file_type))) + else + { + rec->info[recInfo_delKeys] = NULL; + rec->size[recInfo_delKeys] = 0; + } + + /* update sort keys */ + xfree (rec->info[recInfo_sortKeys]); + + 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; + + /* 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]); + 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 0; +} + +int explain_extract (void *handle, Record rec, data1_node *n) +{ + ZebraHandle zh = (ZebraHandle) handle; + struct recExtractCtrl extractCtrl; + int i; + + if (zebraExplain_curDatabase (zh->reg->zei, + rec->info[recInfo_databaseName])) + { + abort(); + if (zebraExplain_newDatabase (zh->reg->zei, + rec->info[recInfo_databaseName], 0)) + abort (); + } + + create_rec_keys_codec(&zh->reg->keys); + + zh->reg->sortKeys.buf_used = 0; + + extractCtrl.init = extract_init; + extractCtrl.tokenAdd = extract_token_add; + extractCtrl.schemaAdd = extract_schema_add; + extractCtrl.dh = zh->reg->dh; + for (i = 0; i<256; i++) + extractCtrl.seqno[i] = 0; + extractCtrl.zebra_maps = zh->reg->zebra_maps; + extractCtrl.flagShowRecords = 0; + extractCtrl.handle = handle; + + if (n) + grs_extract_tree(&extractCtrl, n); + + if (rec->size[recInfo_delKeys]) + { + struct recKeys delkeys; + struct sortKeys sortkeys; + + delkeys.buf_used = rec->size[recInfo_delKeys]; + delkeys.buf = rec->info[recInfo_delKeys]; + + sortkeys.buf_used = rec->size[recInfo_sortKeys]; + sortkeys.buf = rec->info[recInfo_sortKeys]; + + extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys); + extract_flushRecordKeys (zh, rec->sysno, 0, &delkeys); + } + extract_flushRecordKeys (zh, rec->sysno, 1, &zh->reg->keys); + extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys); + + xfree (rec->info[recInfo_delKeys]); + rec->size[recInfo_delKeys] = zh->reg->keys.buf_used; + rec->info[recInfo_delKeys] = zh->reg->keys.buf; + zh->reg->keys.buf = NULL; + zh->reg->keys.buf_max = 0; + + xfree (rec->info[recInfo_sortKeys]); + 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; + + return 0; +} + +void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno, + int cmd, struct recKeys *reckeys) +{ + void *decode_handle = iscz1_start(); + int off = 0; + int ch = 0; + 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); + + while (off < reckeys->buf_used) + { + const char *src = reckeys->buf + off; + struct it_key key; + char *dst = (char*) &key; + int attrSet, attrUse; + + iscz1_decode(decode_handle, &dst, &src); + assert(key.len < 4 && key.len > 2); + + attrSet = (int) key.mem[0]; + attrUse = (int) key.mem[1]; /* sequence in mem[2] */ + + 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; + + ch = zebraExplain_lookupSU (zei, attrSet, attrUse); + if (ch < 0) + ch = zebraExplain_addSU (zei, attrSet, attrUse); + + assert (ch > 0); + zh->reg->key_buf_used += + key_SU_encode (ch,((char*)zh->reg->key_buf) + + zh->reg->key_buf_used); + while (*src) + ((char*)zh->reg->key_buf) [(zh->reg->key_buf_used)++] = *src++; + src++; + ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = '\0'; + ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = cmd; + + key.len = 2; + key.mem[0] = sysno; + key.mem[1] = key.mem[2]; /* sequence .. */ + + memcpy ((char*)zh->reg->key_buf + zh->reg->key_buf_used, + &key, sizeof(key)); + (zh->reg->key_buf_used) += sizeof(key); + off = src - reckeys->buf; + } + assert (off == reckeys->buf_used); + iscz1_stop(decode_handle); +} + +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; - extractCtrl.inf = inf; - extractCtrl.subType = ""; - extractCtrl.init = wordInit; - extractCtrl.add = wordAdd; - key_sysno = sysno; - key_cmd = cmd; - (*rt->extract)(&extractCtrl); - fclose (inf); - wordFlush (sysno); + } + + (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; +} + +void extract_add_index_string (RecWord *p, const char *str, int length) +{ + char *dst; + ZebraHandle zh = p->extractCtrl->handle; + struct recKeys *keys = &zh->reg->keys; + struct it_key key; + const char *src = (char*) &key; + + if (keys->buf_used+1024 > keys->buf_max) + { + char *b; + + b = (char *) xmalloc (keys->buf_max += 128000); + if (keys->buf_used > 0) + memcpy (b, keys->buf, keys->buf_used); + xfree (keys->buf); + keys->buf = b; + } + dst = keys->buf + keys->buf_used; + + key.len = 3; + key.mem[0] = p->attrSet; + key.mem[1] = p->attrUse; + key.mem[2] = p->seqno; + +#if 0 + /* just for debugging .. */ + yaz_log(YLOG_LOG, "set=%d use=%d seqno=%d", p->attrSet, p->attrUse, + p->seqno); +#endif + + iscz1_encode(keys->codec_handle, &dst, &src); + + *dst++ = p->reg_type; + memcpy (dst, str, length); + dst += length; + *dst++ = '\0'; + keys->buf_used = dst - keys->buf; } +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, sk->buf + off); + off += key_SU_decode(&use, sk->buf + off); + off += key_SU_decode(&slen, sk->buf + off); + off += slen; + if (p->attrSet == set && p->attrUse == use) + return; + } + assert (off == sk->buf_used); + + 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; +} + +void extract_add_string (RecWord *p, const char *string, int length) +{ + assert (length > 0); + if (zebra_maps_is_sort (p->zebra_maps, p->reg_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->string; + int remain = p->length; + const char **map = 0; + + if (remain > 0) + map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0); + + while (map) + { + char buf[IT_MAX_WORD+1]; + int i, remain; + + /* Skip spaces */ + while (map && *map && **map == *CHR_SPACE) + { + remain = p->length - (b - p->string); + if (remain > 0) + map = zebra_maps_input(p->zebra_maps, p->reg_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->length - (b - p->string); + if (remain > 0) + map = zebra_maps_input(p->zebra_maps, p->reg_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->string; + char buf[IT_MAX_WORD+1]; + const char **map = 0; + int i = 0, remain = p->length; + int first; /* first position */ + +yaz_log(YLOG_DEBUG, "Complete field, w='%.*s'", p->length, p->string); + + if (remain > 0) + map = zebra_maps_input (p->zebra_maps, p->reg_type, &b, remain, 1); + + while (remain > 0 && i < IT_MAX_WORD) + { + while (map && *map && **map == *CHR_SPACE) + { + remain = p->length - (b - p->string); + + if (remain > 0) + { + first = i ? 0 : 1; + map = zebra_maps_input(p->zebra_maps, p->reg_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->length - (b - p->string); + if (remain > 0) + { + map = zebra_maps_input (p->zebra_maps, p->reg_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->reg_type, 0, + p->string, p->length))) + { + p->string = wrbuf_buf(wrbuf); + p->length = wrbuf_len(wrbuf); + } + if (zebra_maps_is_complete (p->zebra_maps, p->reg_type)) + extract_add_complete_field (p); + else + extract_add_incomplete_field(p); +} + +void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid) +{ + ZebraHandle zh = (ZebraHandle) (p->handle); + zebraExplain_addSchema (zh->reg->zei, oid); +} + +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, sk->buf + off); + off += key_SU_decode(&use, sk->buf + off); + off += key_SU_decode(&slen, sk->buf + off); + + sortIdx_type(sortIdx, use); + if (cmd == 1) + sortIdx_add(sortIdx, sk->buf + off, slen); + else + sortIdx_add(sortIdx, "", 1); + off += slen; + } +} + +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