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/*
* Copyright (c) 2010 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Portions Copyright (c) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "baselocl.h"
#include <string.h>
static void
string_dealloc(void *ptr)
{
}
static int
string_cmp(void *a, void *b)
{
if (heim_base_is_tagged_string(a))
a = heim_base_tagged_string_ptr(a);
if (heim_base_is_tagged_string(b))
b = heim_base_tagged_string_ptr(b);
return strcmp(a, b);
}
static unsigned long
string_hash(void *ptr)
{
const char *s;
unsigned long n;
if (heim_base_is_tagged_string(ptr))
s = heim_base_tagged_string_ptr(ptr);
else
s = ptr;
for (n = 0; *s; ++s)
n += *s;
return n;
}
struct heim_type_data _heim_string_object = {
HEIM_TID_STRING,
"string-object",
NULL,
string_dealloc,
NULL,
string_cmp,
string_hash
};
/**
* Create a string object
*
* @param string the string to create, must be an utf8 string
*
* @return string object
*/
heim_string_t
heim_string_create(const char *string)
{
size_t len = strlen(string);
heim_string_t s;
s = _heim_alloc_object(&_heim_string_object, len + 1);
if (s)
memcpy(s, string, len + 1);
return s;
}
/**
* Create a string object from a strings allocated in the text segment.
*
* Note that static string object wont be auto released with
* heim_auto_release(), the allocation policy of the string must
* be manged separately from the returned object. This make this
* function not very useful for strings in allocated from heap or
* stack. In that case you should use heim_string_create().
*
* @param string the string to create, must be an utf8 string
*
* @return string object
*/
heim_string_t
heim_string_create_with_static(const char *string)
{
return heim_base_make_tagged_string_ptr(string);
}
/**
* Return the type ID of string objects
*
* @return type id of string objects
*/
heim_tid_t
heim_string_get_type_id(void)
{
return HEIM_TID_STRING;
}
/**
* Get the string value of the content.
*
* @param string the string object to get the value from
*
* @return a utf8 string
*/
const char *
heim_string_get_utf8(heim_string_t string)
{
return (const char *)string;
}
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