/***********************************************************************
filename: 	CEGUIExceptions.h
created:	20/2/2004
author:		Paul D Turner, Frederico Jeronimo (fjeronimo)

purpose:	Defines exceptions used within the system
*************************************************************************/
/***************************************************************************
*   Copyright (C) 2004 - 2007 Paul D Turner & The CEGUI Development Team
*
*   Permission is hereby granted, free of charge, to any person obtaining
*   a copy of this software and associated documentation files (the
*   "Software"), to deal in the Software without restriction, including
*   without limitation the rights to use, copy, modify, merge, publish,
*   distribute, sublicense, and/or sell copies of the Software, and to
*   permit persons to whom the Software is furnished to do so, subject to
*   the following conditions:
*
*   The above copyright notice and this permission notice shall be
*   included in all copies or substantial portions of the Software.
*
*   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
*   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
*   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
*   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
*   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
*   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
*   OTHER DEALINGS IN THE SOFTWARE.
***************************************************************************/
#ifndef _CEGUIExceptions_h_
#define _CEGUIExceptions_h_

//////////////////////////////////////////////////////////////////////////
// INCLUDES
//////////////////////////////////////////////////////////////////////////

#include "CEGUIBase.h"
#include "CEGUIString.h"

//////////////////////////////////////////////////////////////////////////
// CEGUI NAMESPACE
//////////////////////////////////////////////////////////////////////////

// Start of CEGUI namespace section
namespace CEGUI
{
    //////////////////////////////////////////////////////////////////////////
    // EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Root exception class used within the GUI system.
    */
    class  CEGUIEXPORT Exception
    {

    public:
        /***********************************************************************
         * DESTRUCTOR
         **********************************************************************/
        /*!
        \brief
        Virtual destructor.
        */
        virtual ~Exception(void);

        /***********************************************************************
         * PUBLIC FUNCTIONS
         **********************************************************************/

        /*!
        \brief
        Return a reference to the String object describing the reason for the exception being thrown.

        \return
        String object containing a message describing the reason for the exception.
        */
        const String&	getMessage(void) const		{return d_message;}

        /*!
        \brief
        Return a reference to the String object containing the exception name (i.e. class type).

        \return
        String object containing the exception name.
        */
        const String& getName() const { return d_name; }

        /*!
        \brief
        Return a reference to the String object containing the name of the file where the exception occurred.

        \return
        String object containing the name of the file where the exception occurred.
        */
        const String&	getFileName(void) const		{return d_filename;}

        /*!
        \brief
        Return the line number where the exception occurred.

        \Return
        Integer representing the line number where the exception occurred.
        */
        const int	getLine(void) const		{return d_line;}

    protected:

        /***********************************************************************
         * CONSTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Protected constructor that prevents instantiations (users should employ derived
        exception classes instead) and that is responsible for logging the exception.

        \param message
        String object describing the reason for the exception being thrown.

        \param name
        String object describing the exception class name (e.g. CEGUI::UnknownObjectException)

        \param filename
        String object containing the name of the file where the exception occurred.

        \param line
        Integer representing the line number where the exception occurred.
        */
        Exception(const String& message = "", const String& name ="CEGUI::Exception", const String& filename = "", int line = 0);

        /***********************************************************************
         * PROTECTED VARIABLES
         **********************************************************************/

        /*!
        \brief
        Holds the reason for the exception being thrown.
        */
        String	d_message;

        /*!
        \brief
        Holds the name of the file where the exception occurred.
        */
        String d_filename;

        /*!
        \brief
        Holds the class name of the exception (e.g. CEGUI::ObjectInUseException)
        */
        String d_name;

        /*!
        \brief
        Holds the line number where the exception occurred.
        */
        int d_line;
    };

    //////////////////////////////////////////////////////////////////////////
    // GENERIC EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when none of the other classes are applicable
    */
    class CEGUIEXPORT GenericException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the generic exception by calling
        the base class.

        \param message
        String object describing the reason for the generic exception being thrown.

        \param filename
        String object containing the name of the file where the generic exception occurred.

        \param line
        Integer representing the line number where the generic exception occurred.

        \remarks
        The generic exception name is automatically passed to the base class as
        "CEGUI::GenericException".
        */
        GenericException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::GenericException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the generic
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define GenericException(message)  \
        GenericException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // UNKNOWN OBJECT EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when a request was made using a name of an unknown object
    */
    class CEGUIEXPORT UnknownObjectException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the unknown object exception by calling
        the base class.

        \param message
        String object describing the reason for the unknown object exception being thrown.

        \param filename
        String object containing the name of the file where the unknown object exception occurred.

        \param line
        Integer representing the line number where the unknown object exception occurred.

        \remarks
        The unknown object exception name is automatically passed to the base class as
        "CEGUI::UnknownObjectException".
        */
        UnknownObjectException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::UnknownObjectException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the unknown object
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define UnknownObjectException(message)  \
        UnknownObjectException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // INVALID REQUEST EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when some impossible request was made for the current system state
    */
    class CEGUIEXPORT InvalidRequestException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the invalid request exception by calling
        the base class.

        \param message
        String object describing the reason for the invalid request exception being thrown.

        \param filename
        String object containing the name of the file where the invalid request exception occurred.

        \param line
        Integer representing the line number where the invalid request exception occurred.

        \remarks
        The invalid request exception name is automatically passed to the base class as
        "CEGUI::InvalidRequestException".
        */
        InvalidRequestException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::InvalidRequestException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the invalid request
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define InvalidRequestException(message)  \
        InvalidRequestException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // FILE IO EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when a file handling problem occurs
    */
    class CEGUIEXPORT FileIOException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the file IO exception by calling
        the base class.

        \param message
        String object describing the reason for the file IO exception being thrown.

        \param filename
        String object containing the name of the file where the file IO exception occurred.

        \param line
        Integer representing the line number where the file IO exception occurred.

        \remarks
        The file IO exception name is automatically passed to the base class as
        "CEGUI::FileIOException".
        */
        FileIOException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::FileIOException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the file IO
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define FileIOException(message)  \
        FileIOException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // RENDERER EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when an problem is detected within the Renderer or related objects
    */
    class CEGUIEXPORT RendererException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the renderer exception by calling
        the base class.

        \param message
        String object describing the reason for the renderer exception being thrown.

        \param filename
        String object containing the name of the file where the renderer exception occurred.

        \param line
        Integer representing the line number where the renderer exception occurred.

        \remarks
        The renderer exception name is automatically passed to the base class as
        "CEGUI::RendererException".
        */
        RendererException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::RendererException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the renderer
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define RendererException(message)  \
        RendererException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // ALREADY EXISTS EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when an attempt is made to use an object name that is already in use within the system
    */
    class CEGUIEXPORT AlreadyExistsException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the already exists exception by calling
        the base class.

        \param message
        String object describing the reason for the already exists exception being thrown.

        \param filename
        String object containing the name of the file where the already exists exception occurred.

        \param line
        Integer representing the line number where the already exists exception occurred.

        \remarks
        The already exists exception name is automatically passed to the base class as
        "CEGUI::AlreadyExistsException".
        */
        AlreadyExistsException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::AlreadyExistsException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the already exists
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define AlreadyExistsException(message)  \
        AlreadyExistsException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // MEMORY EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when a memory handling error is detected
    */
    class CEGUIEXPORT MemoryException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the memory exception by calling
        the base class.

        \param message
        String object describing the reason for the memory exception being thrown.

        \param filename
        String object containing the name of the file where the memory exception occurred.

        \param line
        Integer representing the line number where the memory exception occurred.

        \remarks
        The memory exception name is automatically passed to the base class as
        "CEGUI::MemoryException".
        */
        MemoryException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::MemoryException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the memory
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define MemoryException(message)  \
        MemoryException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // NULL OBJECT EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when some required object or parameter is null
    */
    class CEGUIEXPORT NullObjectException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the null object exception by calling
        the base class.

        \param message
        String object describing the reason for the null object exception being thrown.

        \param filename
        String object containing the name of the file where the null object exception occurred.

        \param line
        Integer representing the line number where the null object exception occurred.

        \remarks
        The null object exception name is automatically passed to the base class as
        "CEGUI::NullObjectException".
        */
        NullObjectException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::NullObjectException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the null object
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define NullObjectException(message)  \
        NullObjectException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // OBJECT IN USE EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when some attempt to delete, remove, or otherwise invalidate some object that is still in use occurs.
    */
    class CEGUIEXPORT ObjectInUseException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the object in use exception by calling
        the base class.

        \param message
        String object describing the reason for the object in use exception being thrown.

        \param filename
        String object containing the name of the file where the object in use exception occurred.

        \param line
        Integer representing the line number where the object in use exception occurred.

        \remarks
        The object in use exception name is automatically passed to the base class as
        "CEGUI::ObjectInUseException".
        */
        ObjectInUseException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::ObjectInUseException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the object in use
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define ObjectInUseException(message)  \
        ObjectInUseException(message, __FILE__, __LINE__)

    //////////////////////////////////////////////////////////////////////////
    // SCRIPT EXCEPTION
    //////////////////////////////////////////////////////////////////////////

    /*!
    \brief
    Exception class used when a scripting error occurs
    */
    class CEGUIEXPORT ScriptException : public Exception
    {
    public:

        /***********************************************************************
         * CONSTRUCTORS/DESTRUCTORS
         **********************************************************************/

        /*!
        \brief
        Constructor that is responsible for logging the script exception by calling
        the base class.

        \param message
        String object describing the reason for the script exception being thrown.

        \param filename
        String object containing the name of the file where the script exception occurred.

        \param line
        Integer representing the line number where the script exception occurred.

        \remarks
        The script exception name is automatically passed to the base class as
        "CEGUI::ScriptException".
        */
        ScriptException(const String& message, const String& file = "unknown", int line = 0)
            : Exception(message, "CEGUI::ScriptException", file, line) {}
    };

    /*!
    \brief
    This helper macro ensures the correct filename and line number where the script
    exception occurred are passed to the exception itself.

    \remarks
    There's a bug in Visual Studio 7.1 (see http://support.microsoft.com/kb/199057/en)
    and lower which leads to incorrect __LINE__ macro expansion if used inside a
    function and compiled with "Program Database for Edit & Continue" (/ZI) where
    instead of a constant expressing line number you'll get the
    following: (__LINE__Var+constant). The workaround consists in using compiler
    option "Program Database" (/Zi) instead
    --> Project Properties\C/C++\General\Debug Information Format\Program Database (/Zi).
    Visual Studio 2005 corrects the problem. Premake files were
    modified to contemplate this for VS2002 and VS2003.
    */
    #define ScriptException(message)  \
        ScriptException(message, __FILE__, __LINE__)


} // End of  CEGUI namespace section


#endif	// end of guard _CEGUIExceptions_h_