text.cpp

   1 #include "text.h"
   2 using namespace std;
   3
   4 Text::Text(const Text &t)
   5 {
   6     copy(t);
   7 }
   8
   9 Text::~Text()
  10 {
  11     free();
  12 }
  13
  14 Text & Text::operator=(const Text &t)
  15 {
  16     free();
  17     copy(t);
  18     return *this;
  19 }
  20
  21 bool Text::operator==(const Text &t) const
  22 {
  23     if (_text.size() != t._text.size())
  24         return false;
  25
  26     // _text and t._text has same length so no t._text.end() is needed
  27     vector<QString *>::const_iterator it = _text.begin();
  28     vector<QString *>::const_iterator it_end = _text.end();
  29     vector<QString *>::const_iterator it2 = t._text.begin();
  30
  31     for (;it != it_end; it++, it2++){
  32         if (**it != **it2)
  33             return false;
  34     }
  35
  36     return true;
  37 }
  38
  39 void Text::addLine(QString *qs)
  40 {
  41     _text.push_back(qs);
  42 }
  43
  44
  45 Text::iterator Text::begin() const
  46 {
  47     iterator iter;
  48     iter.it = _text.begin();
  49     return iter;
  50 }
  51
  52 Text::iterator Text::end() const
  53 {
  54     iterator iter;
  55     iter.it = _text.end();
  56     return iter;
  57 }
  58
  59
  60 //private:
  61 void Text::free()
  62 {
  63     vector<QString *>::const_iterator it = _text.begin();
  64     vector<QString *>::const_iterator it_end = _text.end();
  65
  66     for(;it != it_end; it++){
  67         delete *it;
  68     }
  69         _text.clear();
  70 }
  71
  72 void Text::copy(const Text &t)
  73 {
  74     vector<QString *>::const_iterator it = t._text.begin();
  75     vector<QString *>::const_iterator it_end = t._text.end();
  76
  77     for (;it != it_end; it++){
  78         _text.push_back(new QString(**it));
  79     }
  80 }