Revision 111, 1.9 kB
(checked in by mido, 16 years ago)
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pridana knihovna XSD (a jeji chlebodarkyne XERCES), v ramci Win32 zprovoznen priklad tests/test_xsd_hello.cxx
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[111] | 1 | // file : xsd/cxx/auto-array.hxx |
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| 2 | // author : Boris Kolpackov <boris@codesynthesis.com> |
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| 3 | // copyright : Copyright (c) 2005-2008 Code Synthesis Tools CC |
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| 4 | // license : GNU GPL v2 + exceptions; see accompanying LICENSE file |
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| 5 | |
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| 6 | #ifndef XSD_CXX_AUTO_ARRAY_HXX |
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| 7 | #define XSD_CXX_AUTO_ARRAY_HXX |
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| 8 | |
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| 9 | #include <cstddef> // std::size_t |
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| 10 | |
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| 11 | namespace xsd |
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| 12 | { |
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| 13 | namespace cxx |
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| 14 | { |
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| 15 | template <typename X> |
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| 16 | struct std_deallocator |
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| 17 | { |
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| 18 | void |
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| 19 | deallocate (X* p) |
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| 20 | { |
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| 21 | delete[] p; |
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| 22 | } |
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| 23 | }; |
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| 24 | |
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| 25 | // Simple automatic array. The second template parameter is |
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| 26 | // an optional deallocator type. If not specified, delete[] |
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| 27 | // is used. |
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| 28 | // |
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| 29 | template <typename X, typename D = std_deallocator<X> > |
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| 30 | struct auto_array |
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| 31 | { |
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| 32 | auto_array (X a[]) |
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| 33 | : a_ (a), d_ (0) |
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| 34 | { |
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| 35 | } |
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| 36 | |
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| 37 | auto_array (X a[], D& d) |
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| 38 | : a_ (a), d_ (&d) |
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| 39 | { |
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| 40 | } |
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| 41 | |
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| 42 | ~auto_array () |
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| 43 | { |
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| 44 | if (d_ != 0) |
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| 45 | d_->deallocate (a_); |
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| 46 | else |
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| 47 | delete[] a_; |
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| 48 | } |
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| 49 | |
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| 50 | X& |
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| 51 | operator[] (std::size_t index) const |
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| 52 | { |
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| 53 | return a_[index]; |
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| 54 | } |
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| 55 | |
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| 56 | X* |
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| 57 | get () const |
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| 58 | { |
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| 59 | return a_; |
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| 60 | } |
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| 61 | |
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| 62 | X* |
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| 63 | release () |
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| 64 | { |
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| 65 | X* tmp (a_); |
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| 66 | a_ = 0; |
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| 67 | return tmp; |
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| 68 | } |
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| 69 | |
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| 70 | void |
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| 71 | reset (X a[] = 0) |
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| 72 | { |
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| 73 | if (a_ != a) |
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| 74 | { |
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| 75 | if (d_ != 0) |
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| 76 | d_->deallocate (a_); |
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| 77 | else |
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| 78 | delete[] a_; |
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| 79 | |
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| 80 | a_ = a; |
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| 81 | } |
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| 82 | } |
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| 83 | |
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| 84 | typedef void (auto_array::*bool_convertible)(); |
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| 85 | |
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| 86 | operator bool_convertible () const |
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| 87 | { |
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| 88 | return a_ ? &auto_array<X, D>::true_ : 0; |
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| 89 | } |
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| 90 | |
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| 91 | private: |
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| 92 | auto_array (const auto_array&); |
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| 93 | |
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| 94 | auto_array& |
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| 95 | operator= (const auto_array&); |
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| 96 | |
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| 97 | private: |
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| 98 | void |
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| 99 | true_ (); |
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| 100 | |
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| 101 | private: |
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| 102 | X* a_; |
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| 103 | D* d_; |
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| 104 | }; |
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| 105 | |
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| 106 | template <typename X, typename D> |
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| 107 | void auto_array<X, D>:: |
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| 108 | true_ () |
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| 109 | { |
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| 110 | } |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | #endif // XSD_CXX_AUTO_ARRAY_HXX |
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