exceptions.h

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/*******************************************************************************
 * wallaroo - A library for configurable creation and wiring of C++ classes.
 * Copyright (C) 2012 Daniele Pallastrelli
 *
 * This file is part of wallaroo.
 * For more information, see http://wallaroolib.sourceforge.net/
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ******************************************************************************/

#ifndef WALLAROO_EXCEPTIONS_H_
#define WALLAROO_EXCEPTIONS_H_

#include <stdexcept>

namespace wallaroo
{
namespace detail
{
    inline std::string FormatMsg(const std::string& msg, std::size_t line, std::size_t col)
    {
        std::ostringstream oss;
        oss << "Line " << line << ", col " << col << ": " << msg;
        return oss.str();
    }
} // detail

class WallarooError : public std::runtime_error
{
public:
    WallarooError( const std::string &what ) : 
        std::runtime_error( what ) 
    {
    }

    ~WallarooError() throw()
    {
    }
};


class DeletedPartError : public WallarooError
{
public:
    DeletedPartError() :
        WallarooError( "The part has been deleted" )
    {
    }

    ~DeletedPartError() throw()
    {
    }
};


class CatalogNotSpecified : public WallarooError
{
public:
    CatalogNotSpecified() :
        WallarooError( "The catalog has not been specified. You must use a wallaroo_within section." )
    {
    }

    ~CatalogNotSpecified() throw()
    {
    }
};


class WrongType : public WallarooError
{
public:
    WrongType() :
        WallarooError( "The type is wrong for the cast." )
    {
    }

    ~WrongType() throw()
    {
    }
};


class ElementNotFound : public WallarooError
{
public:
    ElementNotFound( const std::string& _element ) :
        WallarooError( _element + " not found in the container" ),
        element( _element )
    {
    }
    ~ElementNotFound() throw()
    {
    }
    const std::string& Element() const
    {
        return element;
    }
private:
    const std::string element;
};


class DuplicatedElement : public WallarooError
{
public:
    DuplicatedElement( const std::string& _element ) :
        WallarooError( _element  + " already in the container" ),
        element( _element )
    {
    }
    ~DuplicatedElement() throw()
    {
    }
    const std::string& Element() const
    {
        return element;
    }
private:
    const std::string element;
};


class WrongFile : public WallarooError
{
public:
    explicit WrongFile( const std::string& msg ) :
        WallarooError( msg )
    {
    }

    ~WrongFile() throw()
    {
    }
};

class WiringError : public WallarooError
{
public:
    WiringError( const std::string& _element ) :
        WallarooError( _element  + " wiring error" ),
        element( _element )
    {
    }
    ~WiringError() throw()
    {
    }
    const std::string& Element() const
    {
        return element;
    }
private:
    const std::string element;
};


class LexicalError : public WallarooError
{
public:
    LexicalError(const std::string& msg, std::size_t line, std::size_t col) :
        WallarooError(detail::FormatMsg(msg, line, col)) {}
};

class SyntaxError : public WallarooError
{
public:
    SyntaxError(const std::string& msg, std::size_t line, std::size_t col) :
        WallarooError(detail::FormatMsg(msg, line, col)) {}
};

} // namespace

#endif