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//
// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Error.h: Defines the egl::Error and gl::Error classes which encapsulate API errors
// and optional error messages.

#ifndef LIBANGLE_ERROR_H_
#define LIBANGLE_ERROR_H_

#include "angle_gl.h"
#include "common/platform.h"
#include <EGL/egl.h>

#include <string>

namespace gl
{

class Error final
{
  public:
    explicit inline Error(GLenum errorCode);
    Error(GLenum errorCode, const char *msg, ...);
    inline Error(const Error &other);
    inline Error(Error &&other);

    inline ~Error();

    inline Error &operator=(const Error &other);
    inline Error &operator=(Error &&other);

    inline GLenum getCode() const;
    inline bool isError() const;

    const std::string &getMessage() const;

  private:
    void createMessageString() const;

    GLenum mCode;
    mutable std::string *mMessage;
};

}

namespace egl
{

class Error final
{
  public:
    explicit inline Error(EGLint errorCode);
    Error(EGLint errorCode, const char *msg, ...);
    Error(EGLint errorCode, EGLint id, const char *msg, ...);
    inline Error(const Error &other);
    inline Error(Error &&other);

    inline ~Error();

    inline Error &operator=(const Error &other);
    inline Error &operator=(Error &&other);

    inline EGLint getCode() const;
    inline EGLint getID() const;
    inline bool isError() const;

    const std::string &getMessage() const;

  private:
    void createMessageString() const;

    EGLint mCode;
    EGLint mID;
    mutable std::string *mMessage;
};

}

#include "Error.inl"

#endif // LIBANGLE_ERROR_H_