LeOS-Genesis/external/badvpn/examples/predicate_test.c

117 lines
3.6 KiB
C

/**
* @file predicate_test.c
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* 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 author 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 COPYRIGHT HOLDERS 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 AUTHOR 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 <stdio.h>
#include <string.h>
#include <predicate/BPredicate.h>
#include <base/BLog.h>
static int func_hello (void *user, void **args)
{
return 1;
}
static int func_neg (void *user, void **args)
{
int arg = *((int *)args[0]);
return !arg;
}
static int func_conj (void *user, void **args)
{
int arg1 = *((int *)args[0]);
int arg2 = *((int *)args[1]);
return (arg1 && arg2);
}
static int func_strcmp (void *user, void **args)
{
char *arg1 = (char *)args[0];
char *arg2 = (char *)args[1];
return (!strcmp(arg1, arg2));
}
static int func_error (void *user, void **args)
{
return -1;
}
int main (int argc, char **argv)
{
if (argc != 2) {
fprintf(stderr, "Usage: %s <predicate>\n", argv[0]);
return 1;
}
// init logger
BLog_InitStdout();
// init predicate
BPredicate pr;
if (!BPredicate_Init(&pr, argv[1])) {
fprintf(stderr, "BPredicate_Init failed\n");
return 1;
}
// init functions
BPredicateFunction f_hello;
BPredicateFunction_Init(&f_hello, &pr, "hello", NULL, 0, func_hello, NULL);
int arr1[] = {PREDICATE_TYPE_BOOL};
BPredicateFunction f_neg;
BPredicateFunction_Init(&f_neg, &pr, "neg", arr1, 1, func_neg, NULL);
int arr2[] = {PREDICATE_TYPE_BOOL, PREDICATE_TYPE_BOOL};
BPredicateFunction f_conj;
BPredicateFunction_Init(&f_conj, &pr, "conj", arr2, 2, func_conj, NULL);
int arr3[] = {PREDICATE_TYPE_STRING, PREDICATE_TYPE_STRING};
BPredicateFunction f_strcmp;
BPredicateFunction_Init(&f_strcmp, &pr, "strcmp", arr3, 2, func_strcmp, NULL);
BPredicateFunction f_error;
BPredicateFunction_Init(&f_error, &pr, "error", NULL, 0, func_error, NULL);
// evaluate
int result = BPredicate_Eval(&pr);
printf("%d\n", result);
// free functions
BPredicateFunction_Free(&f_hello);
BPredicateFunction_Free(&f_neg);
BPredicateFunction_Free(&f_conj);
BPredicateFunction_Free(&f_strcmp);
BPredicateFunction_Free(&f_error);
// free predicate
BPredicate_Free(&pr);
return 0;
}