IsisReader: contrib/openisis/luti.h Source File

00001 /*
+00002         openisis - an open implementation of the CDS/ISIS database
+00003         Version 0.8.x (patchlevel see file Version)
+00004         Copyright (C) 2001-2003 by Erik Grziwotz, erik@openisis.org
+00005 
+00006         This library is free software; you can redistribute it and/or
+00007         modify it under the terms of the GNU Lesser General Public
+00008         License as published by the Free Software Foundation; either
+00009         version 2.1 of the License, or (at your option) any later version.
+00010 
+00011         This library is distributed in the hope that it will be useful,
+00012         but WITHOUT ANY WARRANTY; without even the implied warranty of
+00013         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+00014         Lesser General Public License for more details.
+00015 
+00016         You should have received a copy of the GNU Lesser General Public
+00017         License along with this library; if not, write to the Free Software
+00018         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+00019 
+00020         see README for more information
+00021 EOH */
+00022 #ifndef LUTI_H
+00023 
+00024 /*
+00025         $Id: luti.h,v 1.30 2003/04/17 13:14:41 mawag Exp $
+00026         common utilities for openisis lib implementation.
+00027 */
+00028 
+00029 #include <assert.h>
+00030 
+00031 
+00032 #include "loi.h"
+00033 
+00034 
+00035 extern LogLevel log_lev;
+00036 #define LOG_DO( lev ) ((lev) <= log_lev)
+00037 #define LOG_DONT( lev ) ((lev) > log_lev)
+00038 
+00053 extern int log_msg ( int code, const char *fmt, ... );
+00054 #ifndef NDEBUG
+00055 # define LOG_DBG log_msg
+00056 #else
+00057 #       ifdef __GNUC__
+00058 #       define LOG_DBG( args... )
+00059 #       else
+00060 #       define LOG_DBG (void) /* compiler should dispose statement off */
+00061 #       endif
+00062 #endif
+00063 
+00064 #define LOG_OTO( to, args ) do { ret = log_msg args; goto to; } while (0)
+00065 
+00066 /* content logging is usually on level LOG_TRACE */
+00067 #define LOG_STR( rec, desc ) log_str( LOG_TRACE, rec, desc )
+00068 #define LOG_HEX( mem, len ) log_hex( LOG_TRACE, mem, len )
+00069 
+00074 extern void log_str ( LogLevel level, int *rec, const char **desc );
+00075 
+00076 /*
+00077  * print fields of record to stderr
+00078  * @param level if negative, print msg to stdout
+00079  * @param delim field delimiter (default '; ')
+00080  */
+00081 extern void log_rec (int level,
+00082         Rec *rec, const char *msg, const char *delim);
+00083 
+00088 extern void log_hex ( LogLevel level, const void *mem, int len );
+00089 
+00093 extern void *lmalloc ( int size );
+00094 
+00095 /* more specific log functions in log.h */
+00096 
+00097 /* printint: optional sign, up to 10 digits, 0 byte.
+00098         buf must be at least 12 bytes long.
+00099         return length w/o the 0 byte.
+00100 */
+00101 extern int lprint ( void *buf, int i );
+00102 
+00103 
+00104 /* Lookup of id from name */
+00105 typedef struct OpenIsisLT *LutiLT;
+00106 
+00107 /* create lookup table */
+00108 extern LutiLT luti_ltnew ();
+00109 /* destroy lookup table */
+00110 extern void luti_ltdel (LutiLT lt);
+00111 /* add entry */
+00112 extern void luti_ltadd (LutiLT lt, const char *name, int id);
+00113 /* get id for name */
+00114 extern int luti_ltget (LutiLT lt, const char *name);
+00115 /* remove entry */
+00116 extern void luti_ltrmv (LutiLT lt, const char *name);
+00117 
+00118 /* get fdt from rec */
+00119 extern Fdt* luti_fdt_from_rec (Rec *rec);
+00120 
+00121 /* get fd, tag, occurence from path */
+00122 extern const char* luti_parse_path (
+00123         const char *path, const Fdt *fdt, Fd **fd, int *tag, int *occ);
+00124 
+00125 /* extract embedded record from envelope */
+00126 extern Rec* luti_unwrap (Rec *env, int *pos, int tag, int dbid);
+00127 
+00128 /* extract embedded record from envelope */
+00129 extern Rec* luti_getembed (
+00130         Rec *env, const char *path, const Fdt *fdt);
+00131 
+00132 /* embed record in envelope */
+00133 extern Rec* luti_wrap (Rec *env, Rec *rec, int tag);
+00134 
+00135 /* append src fields to tgt */
+00136 extern Rec* luti_append (Rec *tgt, Rec *src);
+00137 
+00143 extern int luti_ptrincr (
+00144         void *base, int *num, int incr, int siz, int maxnum);
+00145 
+00148 extern void luti_free (void **arr, int num);
+00149 
+00155 extern int luti_true (const char *str, int len);
+00156 
+00161 extern int lhash ( const char *str, int len );
+00162 
+00163 extern const char luti_hex[16]; /* '0'..'9','a'..'f' */
+00164 
+00165 #define LUTI_H
+00166 #endif /* LUTI_H */
+