src/qt3support/tools/q3gvector.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt3Support module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef Q3GVECTOR_H
       
    43 #define Q3GVECTOR_H
       
    44 
       
    45 #include <Qt3Support/q3ptrcollection.h>
       
    46 
       
    47 QT_BEGIN_HEADER
       
    48 
       
    49 QT_BEGIN_NAMESPACE
       
    50 
       
    51 QT_MODULE(Qt3SupportLight)
       
    52 
       
    53 class Q_COMPAT_EXPORT Q3GVector : public Q3PtrCollection	// generic vector
       
    54 {
       
    55 friend class Q3GList;				// needed by Q3GList::toVector
       
    56 public:
       
    57 #ifndef QT_NO_DATASTREAM
       
    58     QDataStream &read( QDataStream & );		// read vector from stream
       
    59     QDataStream &write( QDataStream & ) const;	// write vector to stream
       
    60 #endif
       
    61     virtual int compareItems( Item, Item );
       
    62 
       
    63 protected:
       
    64     Q3GVector();					// create empty vector
       
    65     Q3GVector( uint size );			// create vector with nullptrs
       
    66     Q3GVector( const Q3GVector &v );		// make copy of other vector
       
    67    ~Q3GVector();
       
    68 
       
    69     Q3GVector &operator=( const Q3GVector &v );	// assign from other vector
       
    70     bool operator==( const Q3GVector &v ) const;
       
    71 
       
    72     Item	 *data()    const	{ return vec; }
       
    73     uint  size()    const	{ return len; }
       
    74     uint  count()   const	{ return numItems; }
       
    75 
       
    76     bool  insert( uint index, Item );		// insert item at index
       
    77     bool  remove( uint index );			// remove item
       
    78     Item	  take( uint index );			// take out item
       
    79 
       
    80     void  clear();				// clear vector
       
    81     bool  resize( uint newsize );		// resize vector
       
    82 
       
    83     bool  fill( Item, int flen );		// resize and fill vector
       
    84 
       
    85     void  sort();				// sort vector
       
    86     int	  bsearch( Item ) const;			// binary search (when sorted)
       
    87 
       
    88     int	  findRef( Item, uint index ) const;	// find exact item in vector
       
    89     int	  find( Item, uint index ) const;	// find equal item in vector
       
    90     uint  containsRef( Item ) const;		// get number of exact matches
       
    91     uint  contains( Item ) const;		// get number of equal matches
       
    92 
       
    93     Item	  at( uint index ) const		// return indexed item
       
    94     {
       
    95 #if defined(QT_CHECK_RANGE)
       
    96 	if ( index >= len )
       
    97 	    warningIndexRange( index );
       
    98 #endif
       
    99 	return vec[index];
       
   100     }
       
   101 
       
   102     bool insertExpand( uint index, Item );	// insert, expand if necessary
       
   103 
       
   104     void toList( Q3GList * ) const;		// put items in list
       
   105 
       
   106 #ifndef QT_NO_DATASTREAM
       
   107     virtual QDataStream &read( QDataStream &, Item & );
       
   108     virtual QDataStream &write( QDataStream &, Item ) const;
       
   109 #endif
       
   110 private:
       
   111     Item	 *vec;
       
   112     uint  len;
       
   113     uint  numItems;
       
   114 
       
   115     static void warningIndexRange( uint );
       
   116 };
       
   117 
       
   118 
       
   119 /*****************************************************************************
       
   120   Q3GVector stream functions
       
   121  *****************************************************************************/
       
   122 
       
   123 #ifndef QT_NO_DATASTREAM
       
   124 Q_COMPAT_EXPORT QDataStream &operator>>( QDataStream &, Q3GVector & );
       
   125 Q_COMPAT_EXPORT QDataStream &operator<<( QDataStream &, const Q3GVector & );
       
   126 #endif
       
   127 
       
   128 QT_END_NAMESPACE
       
   129 
       
   130 QT_END_HEADER
       
   131 
       
   132 #endif // Q3GVECTOR_H