Warning, /include/Geant4/tools/mapmanip is written in an unsupported language. File is not indexed.
0001 // Copyright (C) 2010, Guy Barrand. All rights reserved.
0002 // See the file tools.license for terms.
0003
0004 #ifndef tools_mapmanip
0005 #define tools_mapmanip
0006
0007 #include <map>
0008
0009 namespace tools {
0010
0011 template <class K,class V>
0012 inline void safe_clear(std::map<K,V*>& a_m){
0013 // the below takes into account the case in
0014 // which "delete entry" could modify a_m.
0015 typedef typename std::map<K,V*>::iterator it_t;
0016 while(!a_m.empty()) {
0017 it_t it = a_m.begin();
0018 V* entry = (*it).second;
0019 a_m.erase(it);
0020 delete entry;
0021 }
0022 }
0023
0024 template <class K,class V>
0025 inline void find_and_remove_value(std::map<K,V*>& a_m,V* a_value){
0026 typedef typename std::map<K,V*>::iterator it_t;
0027 while(true) {
0028 bool found = false;
0029 for(it_t it=a_m.begin();it!=a_m.end();++it) {
0030 if((*it).second==a_value) {
0031 a_m.erase(it);
0032 found = true;
0033 break;
0034 }
0035 }
0036 if(!found) break;
0037 }
0038 }
0039
0040 #ifdef TOOLS_DEPRECATED
0041 template <class K,class V> inline void clear(std::map<K,V*>& a_m){safe_clear<K,V>(a_m);}
0042 #endif
0043
0044 template <class K,class V>
0045 inline bool delete_key(std::map<K,V*>& a_m,const K& a_key){
0046 typedef typename std::map<K,V*>::iterator it_t;
0047 it_t it = a_m.find(a_key);
0048 if(it==a_m.end()) return false;
0049 V* obj = (*it).second;
0050 a_m.erase(it);
0051 delete obj;
0052 return true;
0053 }
0054
0055 template <class K,class V>
0056 inline void raw_clear(std::map<K,V*>& a_m){
0057 typedef typename std::map<K,V*>::iterator it_t;
0058 for(it_t it=a_m.begin();it!=a_m.end();++it) delete (*it).second;
0059 a_m.clear();
0060 }
0061
0062 template <class K,class V>
0063 inline void copy(std::map<K,V*>& a_to,const std::map<K,V*>& a_from){
0064 raw_clear<K,V>(a_to);
0065 typedef typename std::map<K,V*>::const_iterator it_t;
0066 for(it_t it=a_from.begin();it!=a_from.end();++it) {
0067 a_to[(*it).first] = (*it).second->copy();
0068 }
0069 }
0070
0071 template <class K,class V>
0072 inline bool add_unique(std::map<K,V*>& a_map,const K& a_key,V* a_value,bool a_delete) {
0073 typedef typename std::map<K,V*>::iterator it_t;
0074 it_t it = a_map.find(a_key);
0075 if(it==a_map.end()) {a_map[a_key] = a_value;return false;} //false=was not found.
0076 if(a_delete) {
0077 V* entry = (*it).second;
0078 a_map.erase(it);
0079 delete entry;
0080 }
0081 a_map[a_key] = a_value;
0082 return true;
0083 }
0084
0085 template <class K,class V>
0086 inline bool find(const std::map<K,V>& a_map,const K& a_key,V& a_value) {
0087 typedef typename std::map<K,V>::const_iterator it_t;
0088 it_t it = a_map.find(a_key);
0089 if(it==a_map.end()) {a_value = V();return false;}
0090 a_value = (*it).second;
0091 return true;
0092 }
0093
0094 template <class K,class V>
0095 inline bool is_key(const std::map<K,V>& a_map,const K& a_key) {
0096 typedef typename std::map<K,V>::const_iterator it_t;
0097 it_t it = a_map.find(a_key);
0098 if(it==a_map.end()) return false;
0099 return true;
0100 }
0101
0102 }
0103
0104 #endif
