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#include "baselocl.h"
37#include <string.h>
38
39static void
40string_dealloc(void *ptr)
41{
42}
43
44static int
45string_cmp(void *a, void *b)
46{
47    return strcmp(a, b);
48}
49
50static unsigned long
51string_hash(void *ptr)
52{
53    const char *s = ptr;
54    unsigned long n;
55
56    for (n = 0; *s; ++s)
57	n += *s;
58    return n;
59}
60
61struct heim_type_data _heim_string_object = {
62    HEIM_TID_STRING,
63    "string-object",
64    NULL,
65    string_dealloc,
66    NULL,
67    string_cmp,
68    string_hash
69};
70
71/**
72 * Create a string object
73 *
74 * @param string the string to create, must be an utf8 string
75 *
76 * @return string object
77 */
78
79heim_string_t
80heim_string_create(const char *string)
81{
82    size_t len = strlen(string);
83    heim_string_t s;
84
85    s = _heim_alloc_object(&_heim_string_object, len + 1);
86    if (s)
87	memcpy(s, string, len + 1);
88    return s;
89}
90
91/**
92 * Return the type ID of string objects
93 *
94 * @return type id of string objects
95 */
96
97heim_tid_t
98heim_string_get_type_id(void)
99{
100    return HEIM_TID_STRING;
101}
102
103/**
104 * Get the string value of the content.
105 *
106 * @param string the string object to get the value from
107 *
108 * @return a utf8 string
109 */
110
111char *
112heim_string_copy_utf8(heim_string_t string)
113{
114    return strdup(string);
115}
116