X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=index%2Frecindex.h;h=1ce50fc79479d1eaa60a2dae1a82d87b85f4f7ff;hp=6310a24a6b76bedf3349c61e4db53af7d39978a8;hb=11d386bdb7b6b4a9bba10da749a5770b509c1fbd;hpb=f7a35c8865bf897ea727edf97b8b3b996a2f5419 diff --git a/index/recindex.h b/index/recindex.h index 6310a24..1ce50fc 100644 --- a/index/recindex.h +++ b/index/recindex.h @@ -1,8 +1,5 @@ -/* $Id: recindex.h,v 1.29 2006-09-15 10:45:13 adam Exp $ - Copyright (C) 1995-2006 - Index Data ApS - -This file is part of the Zebra server. +/* This file is part of the Zebra server. + Copyright (C) 1994-2011 Index Data 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 @@ -32,7 +29,7 @@ YAZ_BEGIN_CDECL #define REC_NO_INFO 8 typedef struct record_info { - SYSNO sysno; + zint sysno; int newFlag; char *info[REC_NO_INFO]; size_t size[REC_NO_INFO]; @@ -72,13 +69,22 @@ Record rec_new(Records p); \param sysno system ID (external number) \returns record pointer (or NULL on error) */ -Record rec_get(Records p, SYSNO sysno); +Record rec_get(Records p, zint sysno); /** \brief gets root record \param p records handle \returns record pointer (or NULL on error) */ Record rec_get_root(Records p); + + +/** \brief gets next record - with given records + \param p records handle + \param rec record + \returns record pointer (or NULL on error) +*/ +Record rec_get_next(Records p, Record rec); + ZEBRA_RES rec_close (Records *p); /** \brief opens records system @@ -88,14 +94,26 @@ ZEBRA_RES rec_close (Records *p); */ Records rec_open(BFiles bfs, int rw, int compression_method); +/** \brief check whether a compression method is supported + \param compression_method (REC_COMPRESS_..) + \retval 0 if method is unsupported + \retval 1 if method is supported +*/ +int rec_check_compression_method(int compression_method); + char *rec_strdup(const char *s, size_t *len); -void rec_prstat(Records p); +void rec_prstat(Records p, int verbose); -SYSNO rec_sysno_to_int(SYSNO sysno); +zint rec_sysno_to_int(zint sysno); -/** \brief compression types */ + +/** \brief No compression ("none") */ #define REC_COMPRESS_NONE 0 +/** \brief BZIP2 compression (slow and requires big chunks) */ #define REC_COMPRESS_BZIP2 1 +/** \brief zlib compression (faster and works off small chunks) */ +#define REC_COMPRESS_ZLIB 2 + enum { recInfo_fileType, @@ -107,11 +125,32 @@ enum { recInfo_sortKeys }; +typedef struct recindex *recindex_t; + +/** \brief opens record index handle + \param bfs Block files handle + \param rw 1 for read and write; 0 for read-only + \param use_isamb 1 if ISAMB is to used for record index; 0 for flat (old) +*/ +recindex_t recindex_open(BFiles bfs, int rw, int use_isamb); + +/** \brief closes record index handle + \param p records handle +*/ +void recindex_close(recindex_t p); +int recindex_read_head(recindex_t p, void *buf); +const char *recindex_get_fname(recindex_t p); +ZEBRA_RES recindex_write_head(recindex_t p, const void *buf, size_t len); +int recindex_read_indx(recindex_t p, zint sysno, void *buf, int itemsize, + int ignoreError); +void recindex_write_indx(recindex_t p, zint sysno, void *buf, int itemsize); + YAZ_END_CDECL #endif /* * Local variables: * c-basic-offset: 4 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab