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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <neethi_operator.h>
#include <neethi_policy.h>
#include <neethi_exactlyone.h>
#include <neethi_all.h>
#include <neethi_reference.h>
#include <neethi_assertion.h>
struct neethi_operator_t
{
/* This may be a policy, all, exatlyone, reference
* or an assertion */
void *value;
/* The type */
neethi_operator_type_t type;
/* Ref count to prevent double frees*/
int ref;
};
AXIS2_EXTERN neethi_operator_t *AXIS2_CALL
neethi_operator_create(
const axutil_env_t *env)
{
neethi_operator_t *neethi_operator = NULL;
AXIS2_ENV_CHECK(env, NULL);
neethi_operator = (neethi_operator_t *)AXIS2_MALLOC(env->allocator, sizeof(neethi_operator_t));
if(neethi_operator == NULL)
{
AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
return NULL;
}
neethi_operator->value = NULL;
neethi_operator->type = OPERATOR_TYPE_UNKNOWN;
neethi_operator->ref = 0;
return neethi_operator;
}
AXIS2_EXTERN void AXIS2_CALL
neethi_operator_free(
neethi_operator_t *neethi_operator,
const axutil_env_t *env)
{
if(neethi_operator)
{
if(--(neethi_operator->ref) > 0)
{
return;
}
if(neethi_operator->value)
{
switch(neethi_operator->type)
{
case OPERATOR_TYPE_POLICY:
neethi_policy_free((neethi_policy_t *)neethi_operator->value, env);
neethi_operator->value = NULL;
break;
case OPERATOR_TYPE_ALL:
neethi_all_free((neethi_all_t *)neethi_operator->value, env);
neethi_operator->value = NULL;
break;
case OPERATOR_TYPE_EXACTLYONE:
neethi_exactlyone_free((neethi_exactlyone_t *)neethi_operator-> value, env);
neethi_operator->value = NULL;
break;
case OPERATOR_TYPE_REFERENCE:
neethi_reference_free((neethi_reference_t *)neethi_operator-> value, env);
neethi_operator->value = NULL;
break;
case OPERATOR_TYPE_ASSERTION:
neethi_assertion_free((neethi_assertion_t *)neethi_operator-> value, env);
neethi_operator->value = NULL;
break;
case OPERATOR_TYPE_UNKNOWN:
break;
}
}
AXIS2_FREE(env->allocator, neethi_operator);
}
return;
}
/* Implementations */
AXIS2_EXTERN neethi_operator_type_t AXIS2_CALL
neethi_operator_get_type(
neethi_operator_t *neethi_operator,
const axutil_env_t *env)
{
return neethi_operator->type;
}
AXIS2_EXTERN void *AXIS2_CALL
neethi_operator_get_value(
neethi_operator_t *neethi_operator,
const axutil_env_t *env)
{
return neethi_operator->value;
}
AXIS2_EXTERN axis2_status_t AXIS2_CALL
neethi_operator_set_value(
neethi_operator_t *neethi_operator,
const axutil_env_t *env,
void *value,
neethi_operator_type_t type)
{
neethi_operator->type = type;
neethi_operator->value = (void *)value;
return AXIS2_SUCCESS;
}
AXIS2_EXTERN axis2_status_t AXIS2_CALL
neethi_operator_serialize(
neethi_operator_t *neethi_operator,
const axutil_env_t *env,
axiom_node_t *parent)
{
neethi_policy_t *policy = NULL;
neethi_all_t *all = NULL;
neethi_exactlyone_t *exactlyone = NULL;
neethi_reference_t *reference = NULL;
neethi_assertion_t *assertion = NULL;
if(neethi_operator->value)
{
switch(neethi_operator->type)
{
case OPERATOR_TYPE_POLICY:
policy = (neethi_policy_t *)neethi_operator_get_value(neethi_operator, env);
if(!neethi_policy_serialize(policy, parent, env))
{
return AXIS2_FAILURE;
}
else
{
return AXIS2_SUCCESS;
}
break;
case OPERATOR_TYPE_ALL:
all = (neethi_all_t *)neethi_operator_get_value(neethi_operator, env);
return neethi_all_serialize(all, parent, env);
break;
case OPERATOR_TYPE_EXACTLYONE:
exactlyone = (neethi_exactlyone_t *)neethi_operator_get_value(neethi_operator, env);
return neethi_exactlyone_serialize(exactlyone, parent, env);
break;
case OPERATOR_TYPE_REFERENCE:
reference = (neethi_reference_t *)neethi_operator_get_value(neethi_operator, env);
return neethi_reference_serialize(reference, parent, env);
break;
case OPERATOR_TYPE_ASSERTION:
assertion = (neethi_assertion_t *)neethi_operator_get_value(neethi_operator, env);
return neethi_assertion_serialize(assertion, parent, env);
break;
case OPERATOR_TYPE_UNKNOWN:
break;
}
return AXIS2_SUCCESS;
}
else
return AXIS2_FAILURE;
}
/* We need this method to prevent freeing the value of operator, because some times we wrap certain
* policy operators inside neethi_operator in order to call some functions.See engine.c in neethi
* for more info */
AXIS2_EXTERN axis2_status_t AXIS2_CALL
neethi_operator_set_value_null(
neethi_operator_t *neethi_operator,
const axutil_env_t *env)
{
neethi_operator->value = NULL;
return AXIS2_SUCCESS;
}
AXIS2_EXTERN axis2_status_t AXIS2_CALL
neethi_operator_increment_ref(
neethi_operator_t *operator,
const axutil_env_t *env)
{
operator-> ref++;
return AXIS2_SUCCESS;
}
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