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
39 static void
string_dealloc(void * ptr)40 string_dealloc(void *ptr)
41 {
42 }
43
44 static int
string_cmp(void * a,void * b)45 string_cmp(void *a, void *b)
46 {
47 return strcmp(a, b);
48 }
49
50 static unsigned long
string_hash(void * ptr)51 string_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
61 struct 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
79 heim_string_t
heim_string_create(const char * string)80 heim_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
97 heim_tid_t
heim_string_get_type_id(void)98 heim_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
111 const char *
heim_string_get_utf8(heim_string_t string)112 heim_string_get_utf8(heim_string_t string)
113 {
114 return (const char *)string;
115 }
116