1 | // -*- c++ -*- |
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2 | #ifndef HUGO_MAPSKELETON_H |
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3 | #define HUGO_MAPSKELETON_H |
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4 | |
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5 | namespace hugo { |
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6 | |
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7 | ///Readable map skeleton |
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8 | template<typename K, typename T> |
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9 | class ReadMapSkeleton |
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10 | { |
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11 | public: |
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12 | /// Map value type. |
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13 | typedef T ValueType; |
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14 | /// Map key type. |
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15 | typedef K KeyType; |
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16 | |
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17 | ///Default constructor. |
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18 | ReadMapSkeleton() {} |
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19 | |
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20 | ///Reads an element of the map. |
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21 | ValueType operator[](const KeyType &i) const {return ValueType();} |
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22 | }; |
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23 | |
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24 | |
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25 | ///Writeable map skeleton |
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26 | template<typename K, typename T> |
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27 | class WriteMapSkeleton |
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28 | { |
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29 | public: |
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30 | /// Map value type. |
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31 | typedef T ValueType; |
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32 | /// Map key type. |
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33 | typedef K KeyType; |
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34 | |
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35 | ///Default constructor. |
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36 | WriteMapSkeleton() {} |
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37 | ///'Fill with' constructor. |
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38 | WriteMapSkeleton(const ValueType &t) {} |
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39 | |
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40 | ///Write an element of a map. |
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41 | void set(const KeyType &i,const ValueType &t) {} |
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42 | }; |
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43 | |
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44 | ///Read/Write map skeleton. |
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45 | template<typename K, typename T> |
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46 | class ReadWriteMapSkeleton : public ReadMapSkeleton<K,T>, |
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47 | public WriteMapSkeleton<K,T> |
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48 | { |
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49 | public: |
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50 | ///Default constructor. |
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51 | ReadWriteMapSkeleton() : ReadMapSkeleton(), WriteMapSkeleton() {} |
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52 | ///'Fill with' constructor. |
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53 | ReadWriteMap(const ValueType &t) :ReadMapSkeleton(), WriteMapSkeleton(t) {} |
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54 | }; |
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55 | |
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56 | |
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57 | ///Dereferable map skeleton |
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58 | template<typename K, typename T> |
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59 | class MemoryMapSkeleton : public ReadWriteMapSkeleton<K,T> |
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60 | { |
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61 | public: |
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62 | /// Map value type. |
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63 | typedef T ValueType; |
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64 | /// Map key type. |
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65 | typedef K KeyType; |
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66 | |
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67 | ///Default constructor. |
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68 | ReferenceMapSkeleton() : ReadWriteMapSkeleton() {} |
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69 | ///'Fill with' constructor. |
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70 | ReferenceMapSkeleton(const ValueType &t) : ReadWriteMapSkeleton(t) {} |
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71 | |
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72 | ///Give a reference to the value belonging to a key. |
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73 | ValueType &operator[](const KeyType &i) {return *(ValueType*)0;} |
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74 | ///Give a const reference to the value belonging to a key. |
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75 | const ValueType &operator[](const KeyType &i) const {return *(T*)0;} |
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76 | }; |
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77 | |
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78 | |
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79 | |
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80 | } |
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81 | #endif // HUGO_MAPSKELETON_H |
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