poco/MongoDB/include/Poco/MongoDB/Array.h
Roger Meier b0581433a7 LICENSE: add info about SPDX-License-Identifier usage and use it
fix: remove executable flag and change back to 100644 (was 100755)

Signed-off-by: Roger Meier <r.meier@siemens.com>
2014-05-14 08:38:09 +02:00

107 lines
2.2 KiB
C++

//
// Array.h
//
// $Id$
//
// Library: MongoDB
// Package: MongoDB
// Module: Array
//
// Definition of the Array class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef MongoDB_Array_INCLUDED
#define MongoDB_Array_INCLUDED
#include "Poco/NumberFormatter.h"
#include "Poco/MongoDB/MongoDB.h"
#include "Poco/MongoDB/Document.h"
namespace Poco {
namespace MongoDB {
class MongoDB_API Array : public Document
/// Implements the BSON Array
{
public:
typedef SharedPtr<Array> Ptr;
Array();
/// Constructor
virtual ~Array();
/// Destructor
template<typename T>
T get(int pos) const
/// Returns the element on the given index and tries to convert
/// it to the template type. When the element is not found, a
/// NotFoundException will be thrown. When the element can't be
/// converted a BadCastException will be thrown.
{
return Document::get<T>(Poco::NumberFormatter::format(pos));
}
template<typename T>
T get(int pos, const T& def) const
/// Returns the element on the given index and tries to convert
/// it to the template type. When the element is not found, or
/// has the wrong type, the def argument will be returned.
{
return Document::get<T>(Poco::NumberFormatter::format(pos), def);
}
Element::Ptr get(int pos) const;
/// Returns the element on the given index.
/// An empty element will be returned when the element is not found.
template<typename T>
bool isType(int pos)
/// Returns true when the type of the element equals the TypeId of ElementTrait
{
return Document::isType<T>(Poco::NumberFormatter::format(pos));
}
std::string toString(int indent = 0) const;
};
// BSON Embedded Array
// spec: document
template<>
struct ElementTraits<Array::Ptr>
{
enum { TypeId = 0x04 };
static std::string toString(const Array::Ptr& value, int indent = 0)
{
//TODO:
return value.isNull() ? "null" : value->toString(indent);
}
};
template<>
inline void BSONReader::read<Array::Ptr>(Array::Ptr& to)
{
to->read(_reader);
}
template<>
inline void BSONWriter::write<Array::Ptr>(Array::Ptr& from)
{
from->write(_writer);
}
} } // namespace Poco::MongoDB
#endif //MongoDB_Array_INCLUDED