| 1 | // ==================================================================== // |
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| 2 | // // |
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| 3 | // File : GEN_tools.cxx // |
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| 4 | // Purpose : Some helper functions // |
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| 5 | // Time-stamp: <Thu Jul/01/2004 09:08 MET Coder@ReallySoft.de> // |
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| 6 | // // |
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| 7 | // // |
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| 8 | // Coded by Ralf Westram (coder@reallysoft.de) in July 2004 // |
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| 9 | // Copyright Department of Microbiology (Technical University Munich) // |
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| 10 | // // |
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| 11 | // Visit our web site at: http://www.arb-home.de/ // |
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| 12 | // // |
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| 13 | // ==================================================================== // |
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| 14 | |
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| 15 | #include <cstdio> |
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| 16 | #include <cstdlib> |
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| 17 | #include <cstring> |
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| 18 | #include <arbdb.h> |
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| 19 | |
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| 20 | #include "GEN_local.hxx" |
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| 21 | #include "GEN_tools.hxx" |
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| 22 | |
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| 23 | using namespace std; |
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| 24 | |
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| 25 | // provide fast access to strings like |
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| 26 | // "pos_begin", "pos_begin2", "pos_begin3", ... |
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| 27 | class NumberedEntries { |
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| 28 | int size; |
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| 29 | char **entries; |
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| 30 | |
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| 31 | void fill_entries(int from_idx, int to_idx) { |
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| 32 | while (from_idx <= to_idx) { |
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| 33 | entries[from_idx] = GBS_global_string_copy("%s%i", entries[0], from_idx+1); // entries[1] gets number '2' |
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| 34 | ++from_idx; |
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| 35 | } |
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| 36 | } |
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| 37 | |
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| 38 | void increase_size(int new_size) { |
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| 39 | char **new_entries = new char*[new_size]; |
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| 40 | |
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| 41 | for (int i = 0; i<size; ++i) new_entries[i] = entries[i]; |
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| 42 | |
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| 43 | delete [] entries; |
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| 44 | |
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| 45 | entries = new_entries; |
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| 46 | int old_size = size; |
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| 47 | size = new_size; |
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| 48 | |
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| 49 | fill_entries(old_size, new_size-1); |
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| 50 | } |
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| 51 | |
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| 52 | NumberedEntries(const NumberedEntries& other); // copying not allowed |
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| 53 | NumberedEntries& operator = (const NumberedEntries& other); // assignment not allowed |
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| 54 | public: |
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| 55 | NumberedEntries(const char *prefix) |
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| 56 | : size(5) |
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| 57 | , entries(new char*[size]) |
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| 58 | { |
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| 59 | entries[0] = strdup(prefix); |
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| 60 | fill_entries(1, size-1); |
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| 61 | } |
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| 62 | ~NumberedEntries() { |
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| 63 | for (int i = 0; i<size; ++i) free(entries[i]); |
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| 64 | delete [] entries; |
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| 65 | } |
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| 66 | |
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| 67 | const char *get_entry(int nr) { |
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| 68 | gen_assert(nr >= 1); |
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| 69 | if (nr > size) { |
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| 70 | int new_size = size+5; |
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| 71 | if (nr>new_size) new_size = nr+5; |
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| 72 | increase_size(new_size); |
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| 73 | } |
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| 74 | return entries[nr-1]; |
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| 75 | } |
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| 76 | }; |
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| 77 | |
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| 78 | |
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| 79 | const char *GEN_pos_begin_entry_name(int nr) { |
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| 80 | static NumberedEntries entries("pos_begin"); |
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| 81 | return entries.get_entry(nr); |
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| 82 | } |
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| 83 | const char *GEN_pos_end_entry_name(int nr) { |
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| 84 | static NumberedEntries entries("pos_end"); |
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| 85 | return entries.get_entry(nr); |
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| 86 | } |
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| 87 | |
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| 88 | |
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| 89 | |
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| 90 | |
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| 91 | |
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