1 | // =============================================================== // |
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2 | // // |
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3 | // File : ali_tstack.hxx // |
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4 | // Purpose : // |
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5 | // // |
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6 | // Institute of Microbiology (Technical University Munich) // |
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7 | // http://www.arb-home.de/ // |
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8 | // // |
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9 | // =============================================================== // |
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10 | |
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11 | #ifndef ALI_TSTACK_HXX |
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12 | #define ALI_TSTACK_HXX |
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13 | |
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14 | template<class T> |
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15 | class ALI_TSTACK : virtual Noncopyable { |
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16 | T **array; |
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17 | unsigned long size_of_array; |
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18 | unsigned long next_elem; |
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19 | |
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20 | public: |
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21 | ALI_TSTACK(unsigned long size) { |
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22 | size_of_array = size; |
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23 | next_elem = 0; |
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24 | array = (T **) calloc((unsigned int) size, sizeof(T)); |
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25 | } |
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26 | ~ALI_TSTACK() { |
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27 | if (array) |
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28 | free((char *) array); |
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29 | } |
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30 | unsigned long max_size() { |
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31 | return size_of_array; |
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32 | } |
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33 | unsigned long akt_size() { |
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34 | return next_elem; |
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35 | } |
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36 | void push(T value, unsigned long count = 1) { |
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37 | if (next_elem + count - 1 >= size_of_array) |
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38 | ali_fatal_error("Access out of array", "ALI_TSTACK::push()"); |
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39 | for (; count > 0; count--) |
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40 | (*array)[next_elem++] = value; |
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41 | } |
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42 | T pop(unsigned long count = 1) { |
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43 | if (count == 0) |
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44 | ali_fatal_error("Nothing poped", "ALI_TSTACK::pop()"); |
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45 | if (next_elem - count + 1 <= 0) |
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46 | ali_fatal_error("Access out of array", "ALI_TSTACK::pop()"); |
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47 | next_elem -= count; |
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48 | return (*array)[next_elem]; |
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49 | } |
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50 | T top() { |
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51 | if (next_elem <= 0) |
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52 | ali_fatal_error("Access out of array", "ALI_TSTACK::top()"); |
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53 | return (*array)[next_elem - 1]; |
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54 | } |
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55 | T get(unsigned long position) { |
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56 | if (position >= next_elem) { |
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57 | ali_fatal_error("Access out of array", "ALI_TSTACK::get()"); |
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58 | } |
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59 | return (*array)[position]; |
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60 | } |
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61 | void clear() { |
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62 | next_elem = 0; |
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63 | } |
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64 | }; |
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65 | |
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66 | #else |
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67 | #error ali_tstack.hxx included twice |
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68 | #endif // ALI_TSTACK_HXX |
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