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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 4 нояб. 2020 г.
*
* lsp-tk-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-tk-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-tk-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_STYLE_ISTYLEFACTORY_H_
#define LSP_PLUG_IN_TK_STYLE_ISTYLEFACTORY_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
class Schema;
class Style;
/**
* Style factory, allows to create and initialize the style
*/
class IStyleFactory
{
private:
IStyleFactory & operator = (const IStyleFactory &);
IStyleFactory(const IStyleFactory &);
protected:
const char *sName;
const char *sParents;
protected:
static Style *init(Style *s);
public:
explicit IStyleFactory(const char *name, const char *parents);
virtual ~IStyleFactory();
public:
/**
* Return the name of produced style
* @return name of produced style
*/
inline const char *name() const { return sName; }
/**
* Return the list of parents for produced style
* @return list of parents for produced style
*/
inline const char *default_parents() const { return sParents; }
public:
/** Create and initialize style
*
* @return created and initialized style
*/
virtual Style *create(Schema *schema);
};
/**
* Generalized factory
* @tparam IStyle Style class to instantiate
*/
template <class IStyle>
class StyleFactory: public IStyleFactory
{
private:
StyleFactory & operator = (const StyleFactory &);
StyleFactory(const StyleFactory &);
public:
explicit StyleFactory(const char *name, const char *parents) : IStyleFactory(name, parents) {}
public:
virtual Style *create(Schema *schema) { return init(new IStyle(schema, sName, sParents)); }
};
}
}
#endif /* LSP_PLUG_IN_TK_STYLE_ISTYLEFACTORY_H_ */
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