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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-02 11:35:25 -07:00
parent 3f9edad676
commit e9eab22e5c
1186 changed files with 381859 additions and 0 deletions
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lib/ptr_scoped_buffer.h Normal file
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/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
ptr_scoped_buffer.h
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2011-03-03.
Revision History:
--*/
#ifndef _PTR_SCOPED_BUFFER_H_
#define _PTR_SCOPED_BUFFER_H_
#include"util.h"
#include"debug.h"
#include"buffer.h"
template<typename T, unsigned INITIAL_SIZE=16, typename D = delete_proc<T> >
class ptr_scoped_buffer : private ptr_buffer<T, INITIAL_SIZE> {
D m_deallocator;
void deallocate_all() {
typename ptr_buffer<T, INITIAL_SIZE>::iterator it = ptr_buffer<T, INITIAL_SIZE>::begin();
typename ptr_buffer<T, INITIAL_SIZE>::iterator end = ptr_buffer<T, INITIAL_SIZE>::end();
for (; it != end; ++it)
m_deallocator(*it);
}
public:
typedef typename ptr_buffer<T, INITIAL_SIZE>::const_iterator const_iterator;
ptr_scoped_buffer(D const & m = D()):ptr_buffer<T, INITIAL_SIZE>(), m_deallocator(m) {}
~ptr_scoped_buffer() { deallocate_all(); }
void reset() { deallocate_all(); ptr_buffer<T, INITIAL_SIZE>::reset(); }
void finalize() { deallocate_all(); ptr_buffer<T, INITIAL_SIZE>::finalize(); }
/** \brief Release ownership of the pointers stored in the buffer */
void release() { ptr_buffer<T, INITIAL_SIZE>::reset(); }
unsigned size() const { return ptr_buffer<T, INITIAL_SIZE>::size(); }
bool empty() const { return ptr_buffer<T, INITIAL_SIZE>::empty(); }
const_iterator begin() const { return ptr_buffer<T, INITIAL_SIZE>::begin(); }
const_iterator end() const { return ptr_buffer<T, INITIAL_SIZE>::end(); }
void push_back(T * elem) { return ptr_buffer<T, INITIAL_SIZE>::push_back(elem); }
T * back() const { return ptr_buffer<T, INITIAL_SIZE>::back(); }
void pop_back() { m_deallocator(back()); ptr_buffer<T, INITIAL_SIZE>::pop_back(); }
T * get(unsigned idx) const { return ptr_buffer<T, INITIAL_SIZE>::get(idx); }
void set(unsigned idx, T * e) { T * old_e = get(idx); if (e != old_e) m_deallocator(old_e); ptr_buffer<T, INITIAL_SIZE>::set(idx, e); }
void append(unsigned n, T * const * elems) { ptr_buffer<T, INITIAL_SIZE>::append(n, elems); }
};
#endif