util/attrfind.c

   1 /* This file is part of the Zebra server.
   2    Copyright (C) 1994-2011 Index Data
   3
   4 Zebra 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 Zebra 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 <assert.h>
  21
  22 #include <attrfind.h>
  23
  24 void attr_init_APT(AttrType *src, Z_AttributesPlusTerm *zapt, int type)
  25 {
  26     src->attributeList = zapt->attributes->attributes;
  27     src->num_attributes = zapt->attributes->num_attributes;
  28     src->type = type;
  29     src->major = 0;
  30     src->minor = 0;
  31 }
  32
  33 void attr_init_AttrList(AttrType *src, Z_AttributeList *list, int type)
  34 {
  35     src->attributeList = list->attributes;
  36     src->num_attributes = list->num_attributes;
  37     src->type = type;
  38     src->major = 0;
  39     src->minor = 0;
  40 }
  41
  42 int attr_find_ex(AttrType *src, const Odr_oid **attribute_set_oid,
  43                  const char **string_value)
  44 {
  45     int num_attributes;
  46
  47     num_attributes = src->num_attributes;
  48     while (src->major < num_attributes)
  49     {
  50         Z_AttributeElement *element;
  51
  52         element = src->attributeList[src->major];
  53         if (src->type == *element->attributeType)
  54         {
  55             switch (element->which)
  56             {
  57             case Z_AttributeValue_numeric:
  58                 ++(src->major);
  59                 if (element->attributeSet && attribute_set_oid)
  60                     *attribute_set_oid = element->attributeSet;
  61                 return *element->value.numeric;
  62                 break;
  63             case Z_AttributeValue_complex:
  64                 if (src->minor >= element->value.complex->num_list)
  65                     break;
  66                 if (element->attributeSet && attribute_set_oid)
  67                     *attribute_set_oid = element->attributeSet;
  68                 if (element->value.complex->list[src->minor]->which ==
  69                     Z_StringOrNumeric_numeric)
  70                 {
  71                     ++(src->minor);
  72                     return
  73                         *element->value.complex->list[src->minor-1]->u.numeric;
  74                 }
  75                 else if (element->value.complex->list[src->minor]->which ==
  76                          Z_StringOrNumeric_string)
  77                 {
  78                     if (!string_value)
  79                         break;
  80                     ++(src->minor);
  81                     *string_value =
  82                         element->value.complex->list[src->minor-1]->u.string;
  83                     return -2;
  84                 }
  85                 else
  86                     break;
  87             default:
  88                 assert(0);
  89             }
  90         }
  91         ++(src->major);
  92     }
  93     return -1;
  94 }
  95
  96 int attr_find(AttrType *src, const Odr_oid **attribute_set_id)
  97 {
  98     return attr_find_ex(src, attribute_set_id, 0);
  99 }
 100
 101
 102 /*
 103  * Local variables:
 104  * c-basic-offset: 4
 105  * c-file-style: "Stroustrup"
 106  * indent-tabs-mode: nil
 107  * End:
 108  * vim: shiftwidth=4 tabstop=8 expandtab
 109  */
 110