lib/base/heimbasepriv.h

   1 /*
   2  * Copyright (c) 2010 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #if defined(HEIM_BASE_MAINTAINER) && defined(ENABLE_PTHREAD_SUPPORT)
  37 #define HEIM_WIN32_TLS
  38 #elif defined(WIN32)
  39 #define HEIM_WIN32_TLS
  40 #endif
  41
  42 typedef void (*heim_type_init)(void *);
  43 typedef heim_object_t (*heim_type_copy)(void *);
  44 typedef int (*heim_type_cmp)(void *, void *);
  45 typedef unsigned long (*heim_type_hash)(void *);
  46 typedef heim_string_t (*heim_type_description)(void *);
  47
  48 typedef struct heim_type_data *heim_type_t;
  49
  50 enum {
  51     HEIM_TID_NUMBER = 0,
  52     HEIM_TID_NULL = 1,
  53     HEIM_TID_BOOL = 2,
  54     HEIM_TID_TAGGED_UNUSED2 = 3, /* reserved for tagged object types */
  55     HEIM_TID_TAGGED_UNUSED3 = 4, /* reserved for tagged object types */
  56     HEIM_TID_TAGGED_UNUSED4 = 5, /* reserved for tagged object types */
  57     HEIM_TID_TAGGED_UNUSED5 = 6, /* reserved for tagged object types */
  58     HEIM_TID_TAGGED_UNUSED6 = 7, /* reserved for tagged object types */
  59     HEIM_TID_MEMORY = 128,
  60     HEIM_TID_ARRAY = 129,
  61     HEIM_TID_DICT = 130,
  62     HEIM_TID_STRING = 131,
  63     HEIM_TID_AUTORELEASE = 132,
  64     HEIM_TID_ERROR = 133,
  65     HEIM_TID_DATA = 134,
  66     HEIM_TID_DB = 135,
  67     HEIM_TID_USER = 255
  68
  69 };
  70
  71 struct heim_type_data {
  72     heim_tid_t tid;
  73     const char *name;
  74     heim_type_init init;
  75     heim_type_dealloc dealloc;
  76     heim_type_copy copy;
  77     heim_type_cmp cmp;
  78     heim_type_hash hash;
  79     heim_type_description desc;
  80 };
  81
  82 heim_type_t _heim_get_isa(heim_object_t);
  83
  84 heim_type_t
  85 _heim_create_type(const char *name,
  86                   heim_type_init init,
  87                   heim_type_dealloc dealloc,
  88                   heim_type_copy copy,
  89                   heim_type_cmp cmp,
  90                   heim_type_hash hash,
  91                   heim_type_description desc);
  92
  93 heim_object_t
  94 _heim_alloc_object(heim_type_t type, size_t size);
  95
  96 void *
  97 _heim_get_isaextra(heim_object_t o, size_t idx);
  98
  99 heim_tid_t
 100 _heim_type_get_tid(heim_type_t type);
 101
 102 void
 103 _heim_make_permanent(heim_object_t ptr);
 104
 105 heim_data_t
 106 _heim_db_get_value(heim_db_t, heim_string_t, heim_data_t, heim_error_t *);
 107
 108
 109 /* tagged tid */
 110 extern struct heim_type_data _heim_null_object;
 111 extern struct heim_type_data _heim_bool_object;
 112 extern struct heim_type_data _heim_number_object;
 113 extern struct heim_type_data _heim_string_object;