File indexing completed on 2024-05-12 05:17:14

 /*
     SPDX-FileCopyrightText: 2007 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #pragma once
 
 #include "kimap_export.h"
 
 #include <QByteArray>
 #include <QDebug>
 #include <QList>
 #include <QMetaType>
 #include <QSharedDataPointer>
 
 namespace KIMAP
 {
 /**
   Represents a single interval in an ImapSet.
   This class is implicitly shared.
 */
 class KIMAP_EXPORT ImapInterval
 {
 public:
     /**
      * Describes the ids stored in the interval.
      */
     using Id = qint64;
 
     /**
       A list of ImapInterval objects.
     */
     using List = QList<ImapInterval>;
 
     /**
       Constructs an interval that covers all positive numbers.
     */
     ImapInterval();
 
     /**
       Copy constructor.
     */
     ImapInterval(const ImapInterval &other);
 
     /**
       Create a new interval.
       @param begin The begin of the interval.
       @param end Keep default (0) to just set the interval begin
     */
     explicit ImapInterval(Id begin, Id end = 0);
 
     /**
       Destructor.
     */
     ~ImapInterval();
 
     /**
       Assignment operator.
     */
     ImapInterval &operator=(const ImapInterval &other);
 
     /**
       Comparison operator.
     */
     bool operator==(const ImapInterval &other) const;
 
     /**
       Returns the size of this interval.
       Size is only defined for finite intervals.
     */
     Id size() const;
 
     /**
       Returns true if this interval has a defined begin.
     */
     bool hasDefinedBegin() const;
 
     /**
       Returns the begin of this interval. The value is the smallest value part of the interval.
       Only valid if begin is defined.
     */
     Id begin() const;
 
     /**
       Returns true if this intercal has been defined.
     */
     bool hasDefinedEnd() const;
 
     /**
       Returns the end of this interval. This value is the largest value part of the interval.
       Only valid if hasDefinedEnd() returned true.
     */
     Id end() const;
 
     /**
       Sets the begin of the interval.
     */
     void setBegin(Id value);
 
     /**
       Sets the end of this interval.
     */
     void setEnd(Id value);
 
     /**
       Converts this set into an IMAP compatible sequence.
     */
     [[nodiscard]] QByteArray toImapSequence() const;
 
     /**
       Return the interval corresponding to the given IMAP-compatible QByteArray representation
     */
     static ImapInterval fromImapSequence(const QByteArray &sequence);
 
 private:
     class Private;
     QSharedDataPointer<Private> d;
 };
 
 /**
   Represents a set of natural numbers (1->∞) in a as compact as possible form.
   Used to address Akonadi items via the IMAP protocol or in the database.
   This class is implicitly shared.
 */
 class KIMAP_EXPORT ImapSet
 {
 public:
     /**
      * Describes the ids stored in the set.
      */
     using Id = qint64;
 
     /**
       Constructs an empty set.
     */
     ImapSet();
 
     /**
       Constructs a set containing a single interval.
     */
     ImapSet(Id begin, Id end);
 
     /**
       Constructs a set containing a single value.
     */
     explicit ImapSet(Id value);
 
     /**
       Copy constructor.
     */
     ImapSet(const ImapSet &other);
 
     /**
       Destructor.
     */
     ~ImapSet();
 
     /**
       Assignment operator.
     */
     ImapSet &operator=(const ImapSet &other);
 
     /**
       Comparison operator.
     */
     bool operator==(const ImapSet &other) const;
 
     /**
       Adds a single positive integer numbers to the set.
       The list is sorted and split into as large as possible intervals.
       No interval merging is performed.
       @param value A positive integer number
     */
     void add(Id value);
 
     /**
       Adds the given list of positive integer numbers to the set.
       The list is sorted and split into as large as possible intervals.
       No interval merging is performed.
       @param values List of positive integer numbers in arbitrary order
     */
     void add(const QList<Id> &values);
 
     /**
       Adds the given ImapInterval to this set.
       No interval merging is performed.
       @param interval the interval to add
     */
     void add(const ImapInterval &interval);
 
     /**
       Returns a IMAP-compatible QByteArray representation of this set.
     */
     [[nodiscard]] QByteArray toImapSequenceSet() const;
 
     /**
       Return the set corresponding to the given IMAP-compatible QByteArray representation
     */
     static ImapSet fromImapSequenceSet(const QByteArray &sequence);
 
     /**
       Returns the intervals this set consists of.
     */
     [[nodiscard]] ImapInterval::List intervals() const;
 
     /**
       Returns true if this set doesn't contains any values.
     */
     [[nodiscard]] bool isEmpty() const;
 
     /**
      * Optimizes the ImapSet by sorting and merging overlapping intervals.
      *
      * Normally you shouldn't need to call this method. KIMAP will make sure
      * to opimize the ImapSet before serializing it to string and sending it
      * to the IMAP server.
      */
     void optimize();
 
 private:
     class Private;
     QSharedDataPointer<Private> d;
 };
 
 }
 
 KIMAP_EXPORT QDebug &operator<<(QDebug &d, const KIMAP::ImapInterval &interval);
 KIMAP_EXPORT QDebug &operator<<(QDebug &d, const KIMAP::ImapSet &set);
 
 Q_DECLARE_METATYPE(KIMAP::ImapInterval)
 Q_DECLARE_METATYPE(KIMAP::ImapInterval::List)
 Q_DECLARE_METATYPE(KIMAP::ImapSet)