icinga2/lib/base/dictionary.h

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/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* 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. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
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#ifndef DICTIONARY_H
#define DICTIONARY_H
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#include "base/i2-base.h"
#include "base/object.h"
#include "base/value.h"
#include <map>
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namespace icinga
{
/**
* A container that holds key-value pairs.
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*
* @ingroup base
*/
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class I2_BASE_API Dictionary : public Object
{
public:
DECLARE_PTR_TYPEDEFS(Dictionary);
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/**
* An iterator that can be used to iterate over dictionary elements.
*/
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typedef std::map<String, Value>::iterator Iterator;
typedef std::pair<String, Value> Pair;
Value Get(const char *key) const;
Value Get(const String& key) const;
void Set(const String& key, const Value& value);
bool Contains(const String& key) const;
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Iterator Begin(void);
Iterator End(void);
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size_t GetLength(void) const;
void Remove(const String& key);
void Remove(Iterator it);
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void CopyTo(const Dictionary::Ptr& dest) const;
Dictionary::Ptr ShallowClone(void) const;
static Dictionary::Ptr FromJson(cJSON *json);
cJSON *ToJson(void) const;
private:
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std::map<String, Value> m_Data; /**< The data for the dictionary. */
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};
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inline Dictionary::Iterator range_begin(Dictionary::Ptr x)
{
return x->Begin();
}
inline Dictionary::Iterator range_end(Dictionary::Ptr x)
{
return x->End();
}
}
namespace boost
{
template<>
struct range_mutable_iterator<icinga::Dictionary::Ptr>
{
typedef icinga::Dictionary::Iterator type;
};
template<>
struct range_const_iterator<icinga::Dictionary::Ptr>
{
typedef icinga::Dictionary::Iterator type;
};
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}
#endif /* DICTIONARY_H */