runtime/kdesu/kdesud/repo.h

   1 /* vi: ts=8 sts=4 sw=4
   2  *
   3  * This file is part of the KDE project, module kdesu.
   4  * Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
   5  */
   6
   7 #ifndef __Repo_h_included__
   8 #define __Repo_h_included__
   9
  10
  11 #include <QMap>
  12 #include <QByteArray>
  13
  14
  15 /**
  16  * Used internally.
  17  */
  18 struct Data_entry
  19 {
  20     QByteArray value;
  21     QByteArray group;
  22     unsigned int timeout;
  23 };
  24
  25
  26 /**
  27  * String repository.
  28  *
  29  * This class implements a string repository with expiration.
  30  */
  31 class Repository {
  32 public:
  33     Repository();
  34     ~Repository();
  35
  36     /** Remove data elements which are expired. */
  37     int expire();
  38
  39     /** Add a data element */
  40     void add(const QByteArray& key, Data_entry& data);
  41
  42     /** Delete a data element. */
  43     int remove(const QByteArray& key);
  44
  45     /** Delete all data entries having the given group.  */
  46     int removeGroup(const QByteArray& group);
  47
  48     /** Delete all data entries based on key. */
  49     int removeSpecialKey(const QByteArray& key );
  50
  51     /** Checks for the existence of the specified group. */
  52     int hasGroup(const QByteArray &group) const;
  53
  54     /** Return a data value.  */
  55     QByteArray find(const QByteArray& key) const;
  56
  57     /** Returns the key values for the given group. */
  58     QByteArray findKeys(const QByteArray& group, const char *sep= "-") const;
  59
  60 private:
  61
  62     QMap<QByteArray,Data_entry> repo;
  63     typedef QMap<QByteArray,Data_entry>::Iterator RepoIterator;
  64     typedef QMap<QByteArray,Data_entry>::ConstIterator RepoCIterator;
  65     unsigned head_time;
  66 };
  67
  68 #endif