DLHistory.h

   1 // Description length log for display
   2 // Copyright © 2009 The University of Chicago
   3 #ifndef DLHISTORY_H
   4 #define DLHISTORY_H
   5
   6 class CDLHistoryListViewItem;
   7 class CDLHistory;
   8
   9 #include <Q3ListViewItem>
  10
  11 class CDLHistoryListViewItem : public Q3ListViewItem {
  12 protected:
  13         CDLHistory* m_dlhistory;
  14         int m_index;
  15 public:
  16         CDLHistoryListViewItem(class Q3ListView* widget = 0);
  17         CDLHistoryListViewItem(class Q3ListView* widget,
  18                 QString = QString(), CDLHistory* = 0, int index = 0);
  19         CDLHistoryListViewItem(class Q3ListViewItem* widget,
  20                 QString = QString(), CDLHistory* = 0, int index = 0);
  21
  22         // list view item interface.
  23
  24         virtual QString text(int column) const;
  25         virtual QString key(int column, bool ascending) const;
  26         virtual int compare(class Q3ListViewItem* i, int col,
  27                 bool ascending) const;
  28
  29         int GetIndex() { return m_index;}
  30 };
  31
  32 #include <cstddef>
  33 #include <vector>
  34 #include <limits>
  35 #include <QString>
  36 namespace linguistica { namespace ui { class status_user_agent; } }
  37
  38 class CDLHistory {
  39 protected:
  40         struct entry {
  41                 double stems_len;
  42                 double unanalyzed_words_len;
  43                 double affixes_len;
  44                 double signatures_len;
  45
  46                 int num_stems;
  47                 int num_unanalyzed_words;
  48                 int num_analyzed_words;
  49
  50                 QString remark;
  51                 QString mini_name;
  52         };
  53
  54         std::vector<entry> log;
  55         linguistica::ui::status_user_agent& s;
  56 public:
  57         // construction/destruction.
  58
  59         CDLHistory();
  60         explicit CDLHistory(linguistica::ui::status_user_agent& status_display);
  61         ~CDLHistory();
  62
  63         // output to GUI.
  64
  65         void DLHistoryListDisplay(class Q3ListView* widget);
  66
  67         // add to history.
  68
  69         /// calculate current description length and add it to the stack.
  70         /// if the stack is too large, clear it first.
  71         void append(QString mini_name, QString remark,
  72                 class CMiniLexicon* mini_lexicon);
  73
  74         /// number of entries
  75         int count()
  76         {
  77                 Q_ASSERT(log.size() <= static_cast<std::size_t>(
  78                                 std::numeric_limits<int>::max()));
  79                 return static_cast<int>(log.size());
  80         }
  81
  82         // read entries.
  83
  84         QString getMini(int i) { return log[i].mini_name; }
  85         QString getRemark(int i) { return log[i].remark; }
  86         double getStemDL(int i) { return log[i].stems_len; }
  87         double getUnanalyzedWordDL(int i)
  88                 { return log[i].unanalyzed_words_len; }
  89         double getAffixDL(int i) { return log[i].affixes_len; }
  90         double getSigDL(int i) { return log[i].signatures_len; }
  91
  92         int getNumberOfStems(int i) { return log[i].num_stems; }
  93         int getNumberOfAnalyzedWords(int i)
  94                 { return log[i].num_analyzed_words; }
  95         int getNumberOfUnanalyzedWords(int i)
  96                 { return log[i].num_unanalyzed_words; }
  97 };
  98
  99 #endif // DLHISTORY_H