ShaderParams.hh

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/*
 * Copyright (C) 2017 Open Source Robotics Foundation
 *
 * 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 IGNITION_RENDERING_SHADERPARAMS_HH_
#define IGNITION_RENDERING_SHADERPARAMS_HH_

#include <memory>
#include <string>
#include <utility>

#include "ignition/rendering/Export.hh"
#include "ignition/rendering/ShaderParam.hh"

namespace ignition
{
  namespace rendering
  {
    inline namespace IGNITION_RENDERING_VERSION_NAMESPACE {
    //
    class ShaderParamsPrivate;

    class IGNITION_RENDERING_VISIBLE ShaderParams
    {
      class IteratorPrivate;

      class IGNITION_RENDERING_VISIBLE Iterator
      {
        public: Iterator();

        public: explicit Iterator(std::unique_ptr<IteratorPrivate> _dataPtr);

        public: Iterator(const Iterator &_iter);

        Iterator& operator=(const Iterator &_iter);

        public: ~Iterator();

        public: bool operator==(const Iterator &_iter);

        public: bool operator!=(const Iterator &_iter);

        public: const std::pair<const std::string, ShaderParam> &operator*();

        public: const std::pair<const std::string, ShaderParam> *operator->();

        public: Iterator &operator++();

        public: Iterator operator++(int);

        private: std::unique_ptr<IteratorPrivate> dataPtr;
      };

      public: ShaderParams();

      public: ~ShaderParams();

      public: ShaderParam &operator[](const std::string &_name);

      public: const ShaderParam &operator[](const std::string &_name) const;

      public: Iterator begin() const;

      public: Iterator end() const;

      public: bool IsDirty() const;

      public: void ClearDirty();

      private: std::unique_ptr<ShaderParamsPrivate> dataPtr;
    };
    }
  }
}

#endif