src/record.c

   1 /* This file is part of Pazpar2.
   2    Copyright (C) 2006-2009 Index Data
   3
   4 Pazpar2 is free software; you can redistribute it and/or modify it under
   5 the terms of the GNU General Public License as published by the Free
   6 Software Foundation; either version 2, or (at your option) any later
   7 version.
   8
   9 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
  10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18 */
  19
  20 #include <string.h>
  21
  22 #include <yaz/yaz-util.h>
  23 #include <yaz/nmem.h>
  24
  25 #if HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include "pazpar2_config.h"
  30 #include "record.h"
  31
  32 union data_types * data_types_assign(NMEM nmem,
  33                                      union data_types ** data1,
  34                                      union data_types data2)
  35 {
  36     // assert(nmem);
  37
  38     if (!data1)
  39         return 0;
  40
  41     if (!*data1){
  42         if (!nmem)
  43             return 0;
  44         else
  45             *data1  = nmem_malloc(nmem, sizeof(union data_types));
  46     }
  47
  48     **data1 = data2;
  49     return *data1;
  50 }
  51
  52
  53 struct record * record_create(NMEM nmem, int num_metadata, int num_sortkeys,
  54                               struct client *client, int position)
  55 {
  56     struct record * record = 0;
  57     int i = 0;
  58
  59     // assert(nmem);
  60
  61     record = nmem_malloc(nmem, sizeof(struct record));
  62
  63     record->next = 0;
  64     record->client = client;
  65
  66     record->metadata
  67         = nmem_malloc(nmem,
  68                       sizeof(struct record_metadata*) * num_metadata);
  69     for (i = 0; i < num_metadata; i++)
  70         record->metadata[i] = 0;
  71
  72     record->sortkeys
  73         = nmem_malloc(nmem,
  74                       sizeof(union data_types*) * num_sortkeys);
  75     for (i = 0; i < num_sortkeys; i++)
  76         record->sortkeys[i] = 0;
  77
  78     record->position = position;
  79
  80     return record;
  81 }
  82
  83 struct record_metadata * record_metadata_create(NMEM nmem)
  84 {
  85     struct record_metadata * rec_md
  86         = nmem_malloc(nmem, sizeof(struct record_metadata));
  87     rec_md->next = 0;
  88     rec_md->attributes = 0;
  89     return rec_md;
  90 }
  91
  92
  93 struct record_metadata * record_metadata_insert(NMEM nmem,
  94                                                 struct record_metadata ** rmd,
  95                                                 union data_types data)
  96 {
  97     struct record_metadata * tmp_rmd = 0;
  98     // assert(nmem);
  99
 100     if(!rmd)
 101         return 0;
 102
 103     // construct new record_metadata
 104     tmp_rmd  = nmem_malloc(nmem, sizeof(struct record_metadata));
 105     tmp_rmd->data = data;
 106
 107
 108     // insert in *rmd's place, moving *rmd one down the list
 109     tmp_rmd->next = *rmd;
 110     *rmd = tmp_rmd;
 111
 112     return *rmd;
 113 }
 114
 115 struct record_metadata * record_add_metadata_field_id(NMEM nmem,
 116                                                      struct record * record,
 117                                                      int field_id,
 118                                                      union data_types data)
 119 {
 120     if (field_id < 0 || !record || !record->metadata)
 121         return 0;
 122
 123     return record_metadata_insert(nmem, &(record->metadata[field_id]), data);
 124 }
 125
 126
 127 struct record_metadata * record_add_metadata(NMEM nmem,
 128                                              struct record * record,
 129                                              struct conf_service * service,
 130                                              const char * name,
 131                                              union data_types data)
 132 {
 133     int field_id = 0;
 134
 135     if (!record || !record->metadata || !service || !name)
 136         return 0;
 137
 138     field_id = conf_service_metadata_field_id(service, name);
 139
 140     if (-1 == field_id)
 141         return 0;
 142
 143     return record_metadata_insert(nmem, &(record->metadata[field_id]), data);
 144 }
 145
 146
 147
 148
 149
 150
 151 union data_types * record_assign_sortkey_field_id(NMEM nmem,
 152                                                struct record * record,
 153                                                int field_id,
 154                                                union data_types data)
 155 {
 156     if (field_id < 0 || !record || !record->sortkeys)
 157         return 0;
 158
 159     return data_types_assign(nmem, &(record->sortkeys[field_id]), data);
 160 }
 161
 162
 163
 164 union data_types * record_assign_sortkey(NMEM nmem,
 165                                       struct record * record,
 166                                       struct conf_service * service,
 167                                       const char * name,
 168                                       union data_types data)
 169 {
 170     int field_id = 0;
 171
 172     if (!record || !service || !name)
 173         return 0;
 174
 175     field_id = conf_service_sortkey_field_id(service, name);
 176
 177     if (!(-1 < field_id) || !(field_id < service->num_sortkeys))
 178         return 0;
 179
 180     return record_assign_sortkey_field_id(nmem, record, field_id, data);
 181 }
 182
 183
 184
 185 /*
 186  * Local variables:
 187  * c-basic-offset: 4
 188  * c-file-style: "Stroustrup"
 189  * indent-tabs-mode: nil
 190  * End:
 191  * vim: shiftwidth=4 tabstop=8 expandtab
 192  */
 193