src/ParagraphList.C

   1 #include <config.h>
   2
   3 #include "ParagraphList.h"
   4
   5 #include "paragraph.h"
   6
   7 ////////// The ParagraphList::iterator
   8
   9 ParagraphList::iterator::iterator()
  10         : ptr(0)
  11 {}
  12
  13
  14 ParagraphList::iterator::iterator(Paragraph * p)
  15         : ptr(p)
  16 {}
  17
  18
  19 ParagraphList::iterator::reference
  20 ParagraphList::iterator::operator*()
  21 {
  22         return *ptr;
  23 }
  24
  25
  26 ParagraphList::iterator::pointer
  27 ParagraphList::iterator::operator->()
  28 {
  29         return ptr;
  30 }
  31
  32
  33 ParagraphList::iterator &
  34 ParagraphList::iterator::operator++()
  35 {
  36         ptr = ptr->next();
  37         return *this;
  38 }
  39
  40
  41 ParagraphList::iterator
  42 ParagraphList::iterator::operator++(int)
  43 {
  44         iterator tmp = *this;
  45         ++*this;
  46         return tmp;
  47 }
  48
  49
  50 ParagraphList::iterator &
  51 ParagraphList::iterator::operator--()
  52 {
  53         ptr = ptr->previous();
  54         return *this;
  55 }
  56
  57
  58 ParagraphList::iterator
  59 ParagraphList::iterator::operator--(int)
  60 {
  61         iterator tmp = *this;
  62         --*this;
  63         return tmp;
  64 }
  65
  66
  67 bool operator==(ParagraphList::iterator const & i1,
  68                 ParagraphList::iterator const & i2)
  69 {
  70         return &(*const_cast<ParagraphList::iterator&>(i1)) == &(*const_cast<ParagraphList::iterator&>(i2));
  71 }
  72
  73
  74 bool operator!=(ParagraphList::iterator const & i1,
  75                 ParagraphList::iterator const & i2)
  76 {
  77         return !(i1 == i2);
  78 }
  79
  80
  81 ////////// The ParagraphList proper
  82 ParagraphList::ParagraphList()
  83         : parlist(0)
  84 {}
  85
  86
  87 void ParagraphList::clear()
  88 {
  89         while (parlist) {
  90                 Paragraph * tmp = parlist->next();
  91                 delete parlist;
  92                 parlist = tmp;
  93         }
  94 }
  95
  96
  97 ParagraphList::iterator ParagraphList::begin()
  98 {
  99         return iterator(parlist);
 100 }
 101
 102
 103 ParagraphList::iterator ParagraphList::begin() const
 104 {
 105         return iterator(parlist);
 106 }
 107
 108
 109 ParagraphList::iterator ParagraphList::end()
 110 {
 111         return iterator();
 112 }
 113
 114
 115 ParagraphList::iterator ParagraphList::end() const
 116 {
 117         return iterator();
 118 }
 119
 120
 121 void ParagraphList::set(Paragraph * p)
 122 {
 123         parlist = p;
 124 }
 125
 126
 127 int ParagraphList::size() const
 128 {
 129         // When we switch to a std::container this will be O(1)
 130         // instead of O(n). (Lgb)
 131         Paragraph * tmp = parlist;
 132         int c = 0;
 133         while (tmp) {
 134                 ++c;
 135                 tmp = tmp->next();
 136         }
 137         return c;
 138 }
 139
 140
 141 bool ParagraphList::empty() const
 142 {
 143         return parlist == 0;
 144 }