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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"
/*
*
*/
struct heim_array_data {
size_t len;
heim_object_t *val;
};
static void
array_dealloc(heim_object_t ptr)
{
heim_array_t array = ptr;
size_t n;
for (n = 0; n < array->len; n++)
heim_release(array->val[n]);
free(array->val);
}
struct heim_type_data array_object = {
HEIM_TID_ARRAY,
"dict-object",
NULL,
array_dealloc,
NULL,
NULL,
NULL
};
/**
* Allocate an array
*
* @return A new allocated array, free with heim_release()
*/
heim_array_t
heim_array_create(void)
{
heim_array_t array;
array = _heim_alloc_object(&array_object, sizeof(*array));
if (array == NULL)
return NULL;
array->val = NULL;
array->len = 0;
return array;
}
/**
* Get type id of an dict
*
* @return the type id
*/
heim_tid_t
heim_array_get_type_id(void)
{
return HEIM_TID_ARRAY;
}
/**
* Append object to array
*
* @param array array to add too
* @param object the object to add
*
* @return zero if added, errno otherwise
*/
int
heim_array_append_value(heim_array_t array, heim_object_t object)
{
heim_object_t *ptr;
ptr = realloc(array->val, (array->len + 1) * sizeof(array->val[0]));
if (ptr == NULL)
return ENOMEM;
array->val = ptr;
array->val[array->len++] = heim_retain(object);
return 0;
}
/**
* Iterate over all objects in array
*
* @param array array to iterate over
* @param fn function to call on each object
* @param ctx context passed to fn
*/
void
heim_array_iterate_f(heim_array_t array, heim_array_iterator_f_t fn, void *ctx)
{
size_t n;
for (n = 0; n < array->len; n++)
fn(array->val[n], ctx);
}
#ifdef __BLOCKS__
/**
* Iterate over all objects in array
*
* @param array array to iterate over
* @param fn block to call on each object
*/
void
heim_array_iterate(heim_array_t array, void (^fn)(heim_object_t))
{
size_t n;
for (n = 0; n < array->len; n++)
fn(array->val[n]);
}
#endif
/**
* Get length of array
*
* @param array array to get length of
*
* @return length of array
*/
size_t
heim_array_get_length(heim_array_t array)
{
return array->len;
}
/**
* Copy value of array
*
* @param array array copy object from
* @param idx index of object, 0 based, must be smaller then
* heim_array_get_length()
*
* @return a retained copy of the object
*/
heim_object_t
heim_array_copy_value(heim_array_t array, size_t idx)
{
if (idx >= array->len)
heim_abort("index too large");
return heim_retain(array->val[idx]);
}
/**
* Delete value at idx
*
* @param array the array to modify
* @param idx the key to delete
*/
void
heim_array_delete_value(heim_array_t array, size_t idx)
{
heim_object_t obj;
if (idx >= array->len)
heim_abort("index too large");
obj = array->val[idx];
array->len--;
if (idx < array->len)
memmove(&array->val[idx], &array->val[idx + 1],
(array->len - idx) * sizeof(array->val[0]));
heim_release(obj);
}
#ifdef __BLOCKS__
/**
* Get value at idx
*
* @param array the array to modify
* @param idx the key to delete
*/
void
heim_array_filter(heim_array_t array, int (^block)(heim_object_t))
{
size_t n = 0;
while (n < array->len) {
if (block(array->val[n])) {
heim_array_delete_value(array, n);
} else {
n++;
}
}
}
#endif /* __BLOCKS__ */
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