X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=index%2Fextract.c;h=a085d728215cdc2a36589fc4b5146c72277c063d;hb=067b55382bc9916b3f7dcd473512c703d4de4a5d;hp=611ce7f3d7f6545792a995498a21deffb90f1be9;hpb=9167923869bcb07faf7e357c883f070be098c66e;p=idzebra-moved-to-github.git diff --git a/index/extract.c b/index/extract.c index 611ce7f..a085d72 100644 --- a/index/extract.c +++ b/index/extract.c @@ -1,10 +1,36 @@ /* - * Copyright (C) 1994-1996, Index Data I/S + * Copyright (C) 1994-1997, Index Data I/S * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: extract.c,v $ - * Revision 1.68 1997-02-12 20:39:45 adam + * Revision 1.75 1997-09-17 12:19:12 adam + * Zebra version corresponds to YAZ version 1.4. + * Changed Zebra server so that it doesn't depend on global common_resource. + * + * Revision 1.74 1997/09/09 13:38:06 adam + * Partial port to WIN95/NT. + * + * Revision 1.73 1997/09/04 13:57:20 adam + * New file extract/retrieve method tellf (added). + * Added O_BINARY for open calls. + * + * Revision 1.72 1997/07/15 16:32:29 adam + * Bug fix: Match handler didn't terminate the resulting string! + * + * Revision 1.71 1997/07/15 16:28:41 adam + * Bug fix: storeData didn't work with files with multiple records. + * Bug fix: fixed memory management with records; not really well + * thought through. + * + * Revision 1.70 1997/07/01 13:00:42 adam + * Bug fix in routine searchRecordKey: uninitialized variables. + * + * Revision 1.69 1997/04/29 09:26:03 adam + * Bug fix: generic recordId handling didn't work for compressed internal + * keys. + * + * Revision 1.68 1997/02/12 20:39:45 adam * Implemented options -f that limits the log to the first * records. * Changed some log messages also. @@ -247,7 +273,11 @@ */ #include #include +#ifdef WINDOWS +#include +#else #include +#endif #include #include @@ -284,7 +314,7 @@ static void logRecord (int showFlag) } } -void key_open (int mem) +void key_open (BFiles bfs, int mem) { if (!mem) mem = atoi(res_get_def (common_resource, "memMax", "4"))*1024*1024; @@ -297,13 +327,13 @@ void key_open (int mem) key_buf_used = 0; key_file_no = 0; - if (!(matchDict = dict_open (GMATCH_DICT, 50, 1))) + if (!(matchDict = dict_open (bfs, GMATCH_DICT, 50, 1))) { logf (LOG_FATAL, "dict_open fail of %s", GMATCH_DICT); exit (1); } assert (!records); - records = rec_open (1); + records = rec_open (bfs, 1); #if 1 zti = zebTargetInfo_open (records, 1); #endif @@ -477,7 +507,7 @@ void key_flush (void) key_buf_used = 0; } -int key_close (void) +int key_close () { key_flush (); xfree (key_buf); @@ -652,34 +682,42 @@ static const char **searchRecordKey (struct recKeys *reckeys, int off = 0; int startSeq = -1; int i; + short attrUse; + char attrSet; + int seqno = 0; for (i = 0; i<32; i++) ws[i] = NULL; while (off < reckeys->buf_used) { - const char *src = reckeys->buf + off; - char attrSet; - short attrUse; - int seqno; - const char *wstart; - - memcpy (&attrSet, src, sizeof(attrSet)); - src += sizeof(attrSet); - memcpy (&attrUse, src, sizeof(attrUse)); - src += sizeof(attrUse); + const char *src = reckeys->buf + off; + const char *wstart; + int lead; + + lead = *src++; + if (!(lead & 1)) + { + memcpy (&attrSet, src, sizeof(attrSet)); + src += sizeof(attrSet); + } + if (!(lead & 2)) + { + memcpy (&attrUse, src, sizeof(attrUse)); + src += sizeof(attrUse); + } wstart = src; while (*src++) ; - - memcpy (&seqno, src, sizeof(seqno)); - src += sizeof(seqno); - -#if 0 - logf (LOG_LOG, "(%d,%d) %d %s", attrSet, attrUse, seqno, wstart); -#endif + if (lead & 60) + seqno += ((lead>>2) & 15)-1; + else + { + memcpy (&seqno, src, sizeof(seqno)); + src += sizeof(seqno); + } if (attrUseS == attrUse && attrSetS == attrSet) { int woff; @@ -729,6 +767,12 @@ static off_t file_seek (void *handle, off_t offset) return lseek (p->fd, offset, SEEK_SET); } +static off_t file_tell (void *handle) +{ + struct file_read_info *p = handle; + return p->file_offset; +} + static int file_read (void *handle, char *buf, size_t count) { struct file_read_info *p = handle; @@ -903,6 +947,7 @@ static char *fileMatchStr (struct recKeys *reckeys, struct recordGroup *rGroup, fname, rGroup->groupName ? rGroup->groupName : "none"); return NULL; } + *dst = '\0'; return dstBuf; } @@ -944,6 +989,7 @@ static int recordExtract (SYSNO *sysno, const char *fname, extractCtrl.subType = subType; extractCtrl.init = wordInit; extractCtrl.add = addRecordKey; + extractCtrl.dh = rGroup->dh; reckeys.buf_used = 0; reckeys.prevAttrUse = -1; @@ -954,6 +1000,7 @@ static int recordExtract (SYSNO *sysno, const char *fname, extractCtrl.offset = recordOffset; extractCtrl.readf = file_read; extractCtrl.seekf = file_seek; + extractCtrl.tellf = file_tell; extractCtrl.endf = file_end; extractCtrl.map_chrs_input = map_chrs_input; extractCtrl.flagShowRecords = rGroup->flagShowRecords; @@ -1128,16 +1175,18 @@ static int recordExtract (SYSNO *sysno, const char *fname, xfree (rec->info[recInfo_storeData]); if (rGroup->flagStoreData == 1) { - rec->size[recInfo_storeData] = fi->file_max; - rec->info[recInfo_storeData] = xmalloc (fi->file_max); + int size = fi->file_moffset - recordOffset; + if (!size) + size = fi->file_max - recordOffset; + rec->size[recInfo_storeData] = size; + rec->info[recInfo_storeData] = xmalloc (size); if (lseek (fi->fd, recordOffset, SEEK_SET) < 0) { logf (LOG_ERRNO|LOG_FATAL, "seek to %ld in %s", fname, (long) recordOffset); exit (1); } - if (read (fi->fd, rec->info[recInfo_storeData], fi->file_max) - < fi->file_max) + if (read (fi->fd, rec->info[recInfo_storeData], size) < size) { logf (LOG_ERRNO|LOG_FATAL, "read %d bytes of %s", fi->file_max, fname); @@ -1283,7 +1332,7 @@ int fileExtract (SYSNO *sysno, const char *fname, fd = -1; else { - if ((fd = open (fname, O_RDONLY)) == -1) + if ((fd = open (fname, O_BINARY|O_RDONLY)) == -1) { logf (LOG_WARN|LOG_ERRNO, "open %s", fname); return 0;