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91 lines
2 KiB
C++
91 lines
2 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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ref_util.h
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Abstract:
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Some goodies for managing reference counters.
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Author:
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Leonardo (leonardo) 2011-06-07
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Notes:
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--*/
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#ifndef REF_UTIL_H_
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#define REF_UTIL_H_
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/**
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\brief Decrement the reference counter of the keys and values stored in the map,
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then reset the map.
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*/
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template<typename Mng1, typename Mng2, typename Map>
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void dec_ref_map_key_values(Mng1 & m1, Mng2 & m2, Map & map) {
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typename Map::iterator it = map.begin();
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typename Map::iterator end = map.end();
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for (; it != end; ++it) {
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m1.dec_ref(it->m_key);
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m2.dec_ref(it->m_value);
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}
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map.reset();
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}
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/**
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\brief Decrement the reference counter of the keys and values stored in the map,
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then reset the map.
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*/
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template<typename Mng, typename Map>
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void dec_ref_map_key_values(Mng & m, Map & map) {
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dec_ref_map_key_values(m, m, map);
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}
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/**
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\brief Decrement the reference counter of the keys stored in the map,
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then reset the map.
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*/
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template<typename Mng, typename Map>
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void dec_ref_map_keys(Mng & m, Map & map) {
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typename Map::iterator it = map.begin();
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typename Map::iterator end = map.end();
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for (; it != end; ++it) {
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m.dec_ref(it->m_key);
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}
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map.reset();
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}
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/**
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\brief Decrement the reference counter of the values stored in the map,
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then reset the map.
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*/
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template<typename Mng, typename Map>
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void dec_ref_map_values(Mng & m, Map & map) {
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typename Map::iterator it = map.begin();
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typename Map::iterator end = map.end();
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for (; it != end; ++it) {
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m.dec_ref(it->m_value);
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}
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map.reset();
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}
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/**
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\brief Decrement the reference counter of the values stored in the map,
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then reset the map.
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*/
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template<typename Mng, typename C>
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void dec_ref_collection_values(Mng & m, C & c) {
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typename C::iterator it = c.begin();
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typename C::iterator end = c.end();
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for (; it != end; ++it) {
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m.dec_ref(*it);
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}
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c.reset();
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}
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#endif
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