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DefaultHandler.h
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159 lines (117 loc) · 3.57 KB
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//
// DefaultHandler.h
//
// $Id$
//
// Library: JSON
// Package: JSON
// Module: DefaultHandler
//
// Definition of the DefaultHandler class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// 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 JSON_DefaultHandler_INCLUDED
#define JSON_DefaultHandler_INCLUDED
#include "Poco/JSON/Handler.h"
#include <stack>
namespace Poco {
namespace JSON {
class JSON_API DefaultHandler : public Handler
/// Provides a default handler for the JSON parser.
/// This handler will build up an object or array based
/// on the handlers called by the parser.
{
public:
DefaultHandler();
/// Default Constructor
virtual ~DefaultHandler();
/// Destructor
void startObject();
/// Handles a {, meaning a new object will be read
void endObject();
/// Handles a }, meaning the object is read
void startArray();
/// Handles a [, meaning a new array will be read
void endArray();
/// Handles a ], meaning the array is read
void key(const std::string& k);
/// A key is read
Dynamic::Var result() const;
/// Returns the result of the parser. Which is an object or an array.
virtual void value(int v);
/// An integer value is read
#if defined(POCO_HAVE_INT64)
virtual void value(Int64 v);
/// A 64-bit integer value is read
#endif
virtual void value(const std::string& s);
/// A string value is read.
virtual void value(double d);
/// A double value is read
virtual void value(bool b);
/// A boolean value is read
virtual void null();
/// A null value is read
private:
void setValue(const Poco::Dynamic::Var& value);
std::stack<Dynamic::Var> _stack;
std::string _key;
Dynamic::Var _result;
};
inline Dynamic::Var DefaultHandler::result() const
{
return _result;
}
inline void DefaultHandler::value(int v)
{
setValue(v);
}
#if defined(POCO_HAVE_INT64)
inline void DefaultHandler::value(Int64 v)
{
setValue(v);
}
#endif
inline void DefaultHandler::value(const std::string& s)
{
setValue(s);
}
inline void DefaultHandler::value(double d)
{
setValue(d);
}
inline void DefaultHandler::value(bool b)
{
setValue(b);
}
inline void DefaultHandler::null()
{
Poco::Dynamic::Var empty;
setValue(empty);
}
}} // namespace Poco::JSON
#endif // JSON_DefaultHandler_INCLUDED