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/****************************************************************************
* Copyright (C) 2009-2015 EPAM Systems
*
* This file is part of Indigo toolkit.
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 3 as published by the Free Software
* Foundation and appearing in the file LICENSE.GPL included in the
* packaging of this file.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
***************************************************************************/
#ifndef __string_pool_h__
#define __string_pool_h__
#include "base_cpp/pool.h"
#include "base_cpp/ptr_array.h"
#include "base_cpp/auto_iter.h"
#ifdef _WIN32
#pragma warning(push)
#pragma warning(disable:4251)
#endif
namespace indigo {
class DLLEXPORT StringPool
{
public:
DECL_ERROR;
StringPool ();
~StringPool ();
int add (const char *str);
int add (Array<char> &str);
int add (int size);
void remove (int idx);
int size () const;
int begin () const;
int end () const;
int next (int i) const;
void clear ();
char * at (int idx);
const char * at (int idx) const;
/*
* Iterators
*/
class PoolIter : public AutoIterator {
public:
PoolIter(StringPool &owner, int idx): _owner(owner), AutoIterator(idx) {
}
PoolIter & operator++() {
_idx = _owner.next(_idx);
return *this;
}
private:
StringPool &_owner;
};
class PoolAuto {
public:
PoolAuto(StringPool &owner) : _owner(owner) {
}
PoolIter begin(){
return StringPool::PoolIter(_owner, _owner.begin());
}
PoolIter end() {
return StringPool::PoolIter(_owner, _owner.end());
}
private:
StringPool &_owner;
};
PoolAuto elements () {
return PoolAuto(*this);
}
protected:
int _add (const char *str, int size);
Pool<int> _pool;
PtrArray< Array<char> > _storage;
private:
StringPool (const StringPool &); // no implicit copy
};
}
#ifdef _WIN32
#pragma warning(pop)
#endif
#endif
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