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Diffstat (limited to 'src/uscxml/transform/Transformer.h')
-rw-r--r-- | src/uscxml/transform/Transformer.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/uscxml/transform/Transformer.h b/src/uscxml/transform/Transformer.h new file mode 100644 index 0000000..8ea19d9 --- /dev/null +++ b/src/uscxml/transform/Transformer.h @@ -0,0 +1,79 @@ +/** + * @file + * @author 2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de) + * @copyright Simplified BSD + * + * @cond + * This program is free software: you can redistribute it and/or modify + * it under the terms of the FreeBSD license as published by the FreeBSD + * project. + * + * This program 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. + * + * You should have received a copy of the FreeBSD license along with this + * program. If not, see <http://www.opensource.org/licenses/bsd-license>. + * @endcond + */ + +#ifndef TRANSFORMER_H_32113356 +#define TRANSFORMER_H_32113356 + +#include "uscxml/interpreter/InterpreterRC.h" +#include <ostream> + +namespace uscxml { + +class USCXML_API TransformerImpl { +public: + TransformerImpl() {} + + virtual void writeTo(std::ostream& stream) = 0; + virtual operator Interpreter() { + throw std::runtime_error("Transformer cannot be interpreted as an Interpreter again"); + } + +}; + +class USCXML_API Transformer { +public: +// Transformer(const Interpreter& source) { _impl = new (source) } + + Transformer() : _impl() {} // the empty, invalid interpreter + Transformer(boost::shared_ptr<TransformerImpl> const impl) : _impl(impl) { } + Transformer(const Transformer& other) : _impl(other._impl) { } + virtual ~Transformer() {}; + + operator bool() const { + return (_impl); + } + bool operator< (const Transformer& other) const { + return _impl < other._impl; + } + bool operator==(const Transformer& other) const { + return _impl == other._impl; + } + bool operator!=(const Transformer& other) const { + return _impl != other._impl; + } + Transformer& operator= (const Transformer& other) { + _impl = other._impl; + return *this; + } + + virtual void writeTo(std::ostream& stream) { + _impl->writeTo(stream); + } + operator Interpreter() { + return _impl->operator Interpreter(); + } + +protected: + boost::shared_ptr<TransformerImpl> _impl; + +}; + +} + +#endif /* end of include guard: TRANSFORMER_H_32113356 */ |