validate_namespace.h

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// Copyright 2017 Open Source Robotics Foundation, Inc.
//
// Licensed 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.

#ifndef RMW__VALIDATE_NAMESPACE_H_
#define RMW__VALIDATE_NAMESPACE_H_

#if __cplusplus
extern "C"
{
#endif

#include "rmw/macros.h"
#include "rmw/types.h"
#include "rmw/validate_full_topic_name.h"

#define RMW_NAMESPACE_VALID 0
#define RMW_NAMESPACE_INVALID_IS_EMPTY_STRING 1
#define RMW_NAMESPACE_INVALID_NOT_ABSOLUTE 2
#define RMW_NAMESPACE_INVALID_ENDS_WITH_FORWARD_SLASH 3
#define RMW_NAMESPACE_INVALID_CONTAINS_UNALLOWED_CHARACTERS 4
#define RMW_NAMESPACE_INVALID_CONTAINS_REPEATED_FORWARD_SLASH 5
#define RMW_NAMESPACE_INVALID_NAME_TOKEN_STARTS_WITH_NUMBER 6
#define RMW_NAMESPACE_INVALID_TOO_LONG 7

// An additional 2 characters are reserved for the shortest possible topic, e.g. '/X'.
#define RMW_NAMESPACE_MAX_LENGTH (RMW_TOPIC_MAX_NAME_LENGTH - 2)


RMW_PUBLIC
RMW_WARN_UNUSED
rmw_ret_t
rmw_validate_namespace(
  const char * namespace_,
  int * validation_result,
  size_t * invalid_index);

RMW_PUBLIC
RMW_WARN_UNUSED
const char *
rmw_namespace_validation_result_string(int validation_result);

#if __cplusplus
}
#endif

#endif  // RMW__VALIDATE_NAMESPACE_H_