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88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
//
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// Formatter.h
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//
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// $Id: //poco/Main/WebWidgets/include/Poco/WebWidgets/Formatter.h#2 $
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//
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// Library: WebWidgets
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// Package: Formatters
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// Module: Formatter
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//
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// Definition of the Formatter class.
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//
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// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef WebWidgets_Formatter_INCLUDED
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#define WebWidgets_Formatter_INCLUDED
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#include "Poco/WebWidgets/WebWidgets.h"
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#include "Poco/RefCountedObject.h"
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#include "Poco/AutoPtr.h"
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#include "Poco/Any.h"
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namespace Poco {
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namespace WebWidgets {
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class WebWidgets_API Formatter: public Poco::RefCountedObject
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/// A formatter is responsible for converting a generic Cell value,
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/// stored in a Poco::Any, into a string suitable for display by
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/// the Cell.
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{
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public:
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typedef Poco::AutoPtr<Formatter> Ptr;
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virtual std::string format(const Poco::Any& value) const = 0;
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/// Returns a string representation of the given value, suitable
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/// for displaying in a Cell.
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virtual Poco::Any parse(const std::string& value) const = 0;
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/// Parses the given string and returns an Any containing a
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/// variable of the correct type.
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///
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/// Throws a Poco::SyntaxException if the value cannot be parsed.
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virtual bool lowerThan(const Poco::Any& first, const Poco::Any& second) const = 0;
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/// Lower than comparison for any's of the same type
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protected:
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Formatter();
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virtual ~Formatter();
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private:
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Formatter(const Formatter&);
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Formatter& operator = (const Formatter&);
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};
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} } // namespace Poco::WebWidgets
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#endif // WebWidgets_Formatter_INCLUDED
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