add data object
This commit is contained in:
@@ -18,6 +18,7 @@ dist_libheimbase_la_SOURCES = \
|
||||
array.c \
|
||||
baselocl.h \
|
||||
bool.c \
|
||||
data.c \
|
||||
dict.c \
|
||||
error.c \
|
||||
heimbase.c \
|
||||
|
130
base/data.c
Normal file
130
base/data.c
Normal file
@@ -0,0 +1,130 @@
|
||||
/*
|
||||
* Copyright (c) 2011 Kungliga Tekniska Högskolan
|
||||
* (Royal Institute of Technology, Stockholm, Sweden).
|
||||
* 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
|
||||
data_dealloc(void *ptr)
|
||||
{
|
||||
}
|
||||
|
||||
static int
|
||||
data_cmp(void *a, void *b)
|
||||
{
|
||||
heim_octet_string *osa = a, *osb = b;
|
||||
if (osa->length != osb->length)
|
||||
return osa->length - osb->length;
|
||||
return memcmp(osa->data, osb->data, osa->length);
|
||||
}
|
||||
|
||||
static unsigned long
|
||||
data_hash(void *ptr)
|
||||
{
|
||||
heim_octet_string *os = ptr;
|
||||
const unsigned char *s = os->data;
|
||||
|
||||
if (os->length < 4)
|
||||
return os->length;
|
||||
return s[0] | (s[1] << 8) |
|
||||
(s[os->length - 2] << 16) | (s[os->length - 1] << 24);
|
||||
}
|
||||
|
||||
struct heim_type_data _heim_data_object = {
|
||||
HEIM_TID_DATA,
|
||||
"data-object",
|
||||
NULL,
|
||||
data_dealloc,
|
||||
NULL,
|
||||
data_cmp,
|
||||
data_hash
|
||||
};
|
||||
|
||||
/**
|
||||
* Create a data object
|
||||
*
|
||||
* @param string the string to create, must be an utf8 string
|
||||
*
|
||||
* @return string object
|
||||
*/
|
||||
|
||||
heim_data_t
|
||||
heim_data_create(const void *data, size_t length)
|
||||
{
|
||||
heim_octet_string *os;
|
||||
|
||||
os = _heim_alloc_object(&_heim_data_object, sizeof(*os) + length);
|
||||
if (os) {
|
||||
os->data = (uint8_t *)os + sizeof(*os);
|
||||
os->length = length;
|
||||
memcpy(os->data, data, length);
|
||||
}
|
||||
return (heim_data_t)os;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the type ID of data objects
|
||||
*
|
||||
* @return type id of string objects
|
||||
*/
|
||||
|
||||
heim_tid_t
|
||||
heim_data_get_type_id(void)
|
||||
{
|
||||
return HEIM_TID_DATA;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the data value of the content.
|
||||
*
|
||||
* @param data the data object to get the value from
|
||||
*
|
||||
* @return a heim_octet_string
|
||||
*/
|
||||
|
||||
const heim_octet_string *
|
||||
heim_data_get_data(heim_data_t data)
|
||||
{
|
||||
return (const heim_octet_string *)data;
|
||||
}
|
||||
|
||||
const void *
|
||||
heim_data_get_ptr(heim_data_t data)
|
||||
{
|
||||
return ((const heim_octet_string *)data)->data;
|
||||
}
|
||||
|
||||
size_t heim_data_get_length(heim_data_t data)
|
||||
{
|
||||
return ((const heim_octet_string *)data)->length;
|
||||
}
|
@@ -213,5 +213,27 @@ heim_error_t heim_error_append(heim_error_t, heim_error_t);
|
||||
heim_object_t heim_json_create(const char *, heim_error_t *);
|
||||
heim_object_t heim_json_create_with_bytes(const void *, size_t, heim_error_t *);
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __HEIM_OCTET_STRING__
|
||||
#define __HEIM_OCTET_STRING__
|
||||
typedef struct heim_octet_string {
|
||||
size_t length;
|
||||
void *data;
|
||||
} heim_octet_string;
|
||||
#endif
|
||||
|
||||
typedef struct heim_data * heim_data_t;
|
||||
|
||||
heim_data_t heim_data_create(const void *, size_t);
|
||||
heim_tid_t heim_data_get_type_id(void);
|
||||
const heim_octet_string *
|
||||
heim_data_get_data(heim_data_t);
|
||||
const void * heim_data_get_ptr(heim_data_t);
|
||||
size_t heim_data_get_length(heim_data_t);
|
||||
|
||||
|
||||
|
||||
#endif /* HEIM_BASE_H */
|
||||
|
@@ -55,6 +55,7 @@ enum {
|
||||
HEIM_TID_STRING = 131,
|
||||
HEIM_TID_AUTORELEASE = 132,
|
||||
HEIM_TID_ERROR = 133,
|
||||
HEIM_TID_DATA = 134,
|
||||
HEIM_TID_USER = 255
|
||||
|
||||
};
|
||||
|
Reference in New Issue
Block a user